X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fbin%2Fjp2%2Fconvert.c;h=6f3e0a22c6d650436df7d49069d46420548ff886;hb=335e9725546df6bd50067ade316c599e0767d7ba;hp=a4b52040ecfe2441b87f791df49f2368d792ebee;hpb=6a6fa7027a1d1aac466bfb09fd3b431dc30f1c1f;p=openjpeg.git diff --git a/src/bin/jp2/convert.c b/src/bin/jp2/convert.c index a4b52040..6f3e0a22 100644 --- a/src/bin/jp2/convert.c +++ b/src/bin/jp2/convert.c @@ -1,9 +1,15 @@ /* - * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium - * Copyright (c) 2002-2007, Professor Benoit Macq + * The copyright in this software is being made available under the 2-clauses + * BSD License, included below. This software may be subject to other third + * party and contributor rights, including patent rights, and no such rights + * are granted under this license. + * + * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium + * Copyright (c) 2002-2014, Professor Benoit Macq * Copyright (c) 2001-2003, David Janssens * Copyright (c) 2002-2003, Yannick Verschueren - * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe + * Copyright (c) 2003-2007, Francois-Olivier Devaux + * Copyright (c) 2003-2014, Antonin Descampe * Copyright (c) 2005, Herve Drolon, FreeImage Team * Copyright (c) 2006-2007, Parvatha Elangovan * All rights reserved. @@ -36,15 +42,6 @@ #include #include -#ifdef OPJ_HAVE_LIBTIFF -#include -#endif /* OPJ_HAVE_LIBTIFF */ - -#ifdef OPJ_HAVE_LIBPNG -#include -#include -#endif /* OPJ_HAVE_LIBPNG */ - #include "openjpeg.h" #include "convert.h" @@ -61,6 +58,93 @@ static int int_floorlog2(int a) { return l; } +/* Component precision scaling */ +void clip_component(opj_image_comp_t* component, OPJ_UINT32 precision) +{ + OPJ_SIZE_T i; + OPJ_SIZE_T len; + OPJ_UINT32 umax = (OPJ_UINT32)((OPJ_INT32)-1); + + len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h; + if (precision < 32) { + umax = (1U << precision) - 1U; + } + + if (component->sgnd) { + OPJ_INT32* l_data = component->data; + OPJ_INT32 max = (OPJ_INT32)(umax / 2U); + OPJ_INT32 min = -max - 1; + for (i = 0; i < len; ++i) { + if (l_data[i] > max) { + l_data[i] = max; + } else if (l_data[i] < min) { + l_data[i] = min; + } + } + } else { + OPJ_UINT32* l_data = (OPJ_UINT32*)component->data; + for (i = 0; i < len; ++i) { + if (l_data[i] > umax) { + l_data[i] = umax; + } + } + } + component->prec = precision; +} + +/* Component precision scaling */ +static void scale_component_up(opj_image_comp_t* component, OPJ_UINT32 precision) +{ + OPJ_SIZE_T i, len; + + len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h; + if (component->sgnd) { + OPJ_INT64 newMax = (OPJ_INT64)(1U << (precision - 1)); + OPJ_INT64 oldMax = (OPJ_INT64)(1U << (component->prec - 1)); + OPJ_INT32* l_data = component->data; + for (i = 0; i < len; ++i) { + l_data[i] = (OPJ_INT32)(((OPJ_INT64)l_data[i] * newMax) / oldMax); + } + } else { + OPJ_UINT64 newMax = (OPJ_UINT64)((1U << precision) - 1U); + OPJ_UINT64 oldMax = (OPJ_UINT64)((1U << component->prec) - 1U); + OPJ_UINT32* l_data = (OPJ_UINT32*)component->data; + for (i = 0; i < len; ++i) { + l_data[i] = (OPJ_UINT32)(((OPJ_UINT64)l_data[i] * newMax) / oldMax); + } + } + component->prec = precision; +} +void scale_component(opj_image_comp_t* component, OPJ_UINT32 precision) +{ + int shift; + OPJ_SIZE_T i, len; + + if (component->prec == precision) { + return; + } + if (component->prec < precision) { + scale_component_up(component, precision); + return; + } + shift = (int)(component->prec - precision); + len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h; + if (component->sgnd) { + OPJ_INT32* l_data = component->data; + for (i = 0; i < len; ++i) { + l_data[i] >>= shift; + } + } else { + OPJ_UINT32* l_data = (OPJ_UINT32*)component->data; + for (i = 0; i < len; ++i) { + l_data[i] >>= shift; + } + } + component->bpp = precision; + component->prec = precision; +} + + /* -->> -->> -->> -->> TGA IMAGE FORMAT @@ -94,7 +178,7 @@ struct tga_header static unsigned short get_ushort(unsigned short val) { -#ifdef WORDS_BIGENDIAN +#ifdef OPJ_BIG_ENDIAN return( ((val & 0xff) << 8) + (val >> 8) ); #else return( val ); @@ -109,10 +193,10 @@ static int tga_readheader(FILE *fp, unsigned int *bits_per_pixel, { int palette_size; unsigned char *tga ; - unsigned char id_len, cmap_type, image_type; + unsigned char id_len, /*cmap_type,*/ image_type; unsigned char pixel_depth, image_desc; - unsigned short cmap_index, cmap_len, cmap_entry_size; - unsigned short x_origin, y_origin, image_w, image_h; + unsigned short /*cmap_index,*/ cmap_len, cmap_entry_size; + unsigned short /*x_origin, y_origin,*/ image_w, image_h; if (!bits_per_pixel || !width || !height || !flip_image) return 0; @@ -124,15 +208,17 @@ static int tga_readheader(FILE *fp, unsigned int *bits_per_pixel, return 0 ; } id_len = (unsigned char)tga[0]; - cmap_type = (unsigned char)tga[1]; + /*cmap_type = (unsigned char)tga[1];*/ image_type = (unsigned char)tga[2]; - cmap_index = get_ushort(*(unsigned short*)(&tga[3])); + /*cmap_index = get_ushort(*(unsigned short*)(&tga[3]));*/ cmap_len = get_ushort(*(unsigned short*)(&tga[5])); cmap_entry_size = (unsigned char)tga[7]; +#if 0 x_origin = get_ushort(*(unsigned short*)(&tga[8])); y_origin = get_ushort(*(unsigned short*)(&tga[10])); +#endif image_w = get_ushort(*(unsigned short*)(&tga[12])); image_h = get_ushort(*(unsigned short*)(&tga[14])); pixel_depth = (unsigned char)tga[16]; @@ -179,9 +265,9 @@ static int tga_readheader(FILE *fp, unsigned int *bits_per_pixel, return 1; } -#if WORDS_BIGENDIAN == 1 +#ifdef OPJ_BIG_ENDIAN -static inline int16_t swap16(int16_t x) +static INLINE int16_t swap16(int16_t x) { return((((u_int16_t)x & 0x00ffU) << 8) | (((u_int16_t)x & 0xff00U) >> 8)); @@ -226,7 +312,7 @@ static int tga_writeheader(FILE *fp, int bits_per_pixel, int width, int height, image_w = (unsigned short)width; image_h = (unsigned short) height; -#if WORDS_BIGENDIAN == 0 +#ifndef OPJ_BIG_ENDIAN if(fwrite(&image_w, 2, 1, fp) != 1) goto fails; if(fwrite(&image_h, 2, 1, fp) != 1) goto fails; #else @@ -300,23 +386,23 @@ opj_image_t* tgatoimage(const char *filename, opj_cparameters_t *parameters) { cmptparm[i].prec = 8; cmptparm[i].bpp = 8; cmptparm[i].sgnd = 0; - cmptparm[i].dx = subsampling_dx; - cmptparm[i].dy = subsampling_dy; + cmptparm[i].dx = (OPJ_UINT32)subsampling_dx; + cmptparm[i].dy = (OPJ_UINT32)subsampling_dy; cmptparm[i].w = image_width; cmptparm[i].h = image_height; } /* create the image */ - image = opj_image_create(numcomps, &cmptparm[0], color_space); + image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space); if (!image) return NULL; /* set image offset and reference grid */ - image->x0 = parameters->image_offset_x0; - image->y0 = parameters->image_offset_y0; - image->x1 = !image->x0 ? (image_width - 1) * subsampling_dx + 1 : image->x0 + (image_width - 1) * subsampling_dx + 1; - image->y1 = !image->y0 ? (image_height - 1) * subsampling_dy + 1 : image->y0 + (image_height - 1) * subsampling_dy + 1; + image->x0 = (OPJ_UINT32)parameters->image_offset_x0; + image->y0 = (OPJ_UINT32)parameters->image_offset_y0; + image->x1 = !image->x0 ? (OPJ_UINT32)(image_width - 1) * (OPJ_UINT32)subsampling_dx + 1 : image->x0 + (OPJ_UINT32)(image_width - 1) * (OPJ_UINT32)subsampling_dx + 1; + image->y1 = !image->y0 ? (OPJ_UINT32)(image_height - 1) * (OPJ_UINT32)subsampling_dy + 1 : image->y0 + (OPJ_UINT32)(image_height - 1) * (OPJ_UINT32)subsampling_dy + 1; /* set image data */ for (y=0; y < image_height; y++) @@ -324,9 +410,9 @@ opj_image_t* tgatoimage(const char *filename, opj_cparameters_t *parameters) { int index; if (flip_image) - index = (image_height-y-1)*image_width; + index = (int)((image_height-y-1)*image_width); else - index = y*image_width; + index = (int)(y*image_width); if (numcomps==3) { @@ -406,13 +492,15 @@ opj_image_t* tgatoimage(const char *filename, opj_cparameters_t *parameters) { int imagetotga(opj_image_t * image, const char *outfile) { int width, height, bpp, x, y; OPJ_BOOL write_alpha; - int i, v, adjustR, adjustG, adjustB, fails; + unsigned int i; + int adjustR, adjustG, adjustB, fails; unsigned int alpha_channel; float r,g,b,a; unsigned char value; float scale; FILE *fdest; size_t res; + fails = 1; fdest = fopen(outfile, "wb"); if (!fdest) { @@ -429,8 +517,8 @@ int imagetotga(opj_image_t * image, const char *outfile) { } } - width = image->comps[0].w; - height = image->comps[0].h; + width = (int)image->comps[0].w; + height = (int)image->comps[0].h; /* Mono with alpha, or RGB with alpha. */ write_alpha = (image->numcomps==2) || (image->numcomps==4); @@ -451,7 +539,7 @@ int imagetotga(opj_image_t * image, const char *outfile) { for (y=0; y < height; y++) { - unsigned int index=y*width; + unsigned int index= (unsigned int)(y*width); for (x=0; x < width; x++, index++) { @@ -519,701 +607,6 @@ fin: return fails; } -/* -->> -->> -->> -->> - - BMP IMAGE FORMAT - - <<-- <<-- <<-- <<-- */ - -/* WORD defines a two byte word */ -typedef unsigned short int WORD; - -/* DWORD defines a four byte word */ -typedef unsigned int DWORD; - -typedef struct { - WORD bfType; /* 'BM' for Bitmap (19776) */ - DWORD bfSize; /* Size of the file */ - WORD bfReserved1; /* Reserved : 0 */ - WORD bfReserved2; /* Reserved : 0 */ - DWORD bfOffBits; /* Offset */ -} BITMAPFILEHEADER_t; - -typedef struct { - DWORD biSize; /* Size of the structure in bytes */ - DWORD biWidth; /* Width of the image in pixels */ - DWORD biHeight; /* Heigth of the image in pixels */ - WORD biPlanes; /* 1 */ - WORD biBitCount; /* Number of color bits by pixels */ - DWORD biCompression; /* Type of encoding 0: none 1: RLE8 2: RLE4 */ - DWORD biSizeImage; /* Size of the image in bytes */ - DWORD biXpelsPerMeter; /* Horizontal (X) resolution in pixels/meter */ - DWORD biYpelsPerMeter; /* Vertical (Y) resolution in pixels/meter */ - DWORD biClrUsed; /* Number of color used in the image (0: ALL) */ - DWORD biClrImportant; /* Number of important color (0: ALL) */ -} BITMAPINFOHEADER_t; - -opj_image_t* bmptoimage(const char *filename, opj_cparameters_t *parameters) -{ - int subsampling_dx = parameters->subsampling_dx; - int subsampling_dy = parameters->subsampling_dy; - - int i, numcomps, w, h; - OPJ_COLOR_SPACE color_space; - opj_image_cmptparm_t cmptparm[3]; /* maximum of 3 components */ - opj_image_t * image = NULL; - - FILE *IN; - BITMAPFILEHEADER_t File_h; - BITMAPINFOHEADER_t Info_h; - unsigned char *RGB; - unsigned char *table_R, *table_G, *table_B; - unsigned int j, PAD = 0; - - int x, y, index; - int gray_scale = 1; - int has_color; - DWORD W, H; - - IN = fopen(filename, "rb"); - if (!IN) - { - fprintf(stderr, "Failed to open %s for reading !!\n", filename); - return NULL; - } - - File_h.bfType = getc(IN); - File_h.bfType = (getc(IN) << 8) + File_h.bfType; - - if (File_h.bfType != 19778) - { - fprintf(stderr,"Error, not a BMP file!\n"); - fclose(IN); - return NULL; - } - /* FILE HEADER */ - /* ------------- */ - File_h.bfSize = getc(IN); - File_h.bfSize = (getc(IN) << 8) + File_h.bfSize; - File_h.bfSize = (getc(IN) << 16) + File_h.bfSize; - File_h.bfSize = (getc(IN) << 24) + File_h.bfSize; - - File_h.bfReserved1 = getc(IN); - File_h.bfReserved1 = (getc(IN) << 8) + File_h.bfReserved1; - - File_h.bfReserved2 = getc(IN); - File_h.bfReserved2 = (getc(IN) << 8) + File_h.bfReserved2; - - File_h.bfOffBits = getc(IN); - File_h.bfOffBits = (getc(IN) << 8) + File_h.bfOffBits; - File_h.bfOffBits = (getc(IN) << 16) + File_h.bfOffBits; - File_h.bfOffBits = (getc(IN) << 24) + File_h.bfOffBits; - - /* INFO HEADER */ - /* ------------- */ - - Info_h.biSize = getc(IN); - Info_h.biSize = (getc(IN) << 8) + Info_h.biSize; - Info_h.biSize = (getc(IN) << 16) + Info_h.biSize; - Info_h.biSize = (getc(IN) << 24) + Info_h.biSize; - - if(Info_h.biSize != 40) - { - fprintf(stderr,"Error, unknown BMP header size %d\n", Info_h.biSize); - fclose(IN); - return NULL; - } - Info_h.biWidth = getc(IN); - Info_h.biWidth = (getc(IN) << 8) + Info_h.biWidth; - Info_h.biWidth = (getc(IN) << 16) + Info_h.biWidth; - Info_h.biWidth = (getc(IN) << 24) + Info_h.biWidth; - w = Info_h.biWidth; - - Info_h.biHeight = getc(IN); - Info_h.biHeight = (getc(IN) << 8) + Info_h.biHeight; - Info_h.biHeight = (getc(IN) << 16) + Info_h.biHeight; - Info_h.biHeight = (getc(IN) << 24) + Info_h.biHeight; - h = Info_h.biHeight; - - Info_h.biPlanes = getc(IN); - Info_h.biPlanes = (getc(IN) << 8) + Info_h.biPlanes; - - Info_h.biBitCount = getc(IN); - Info_h.biBitCount = (getc(IN) << 8) + Info_h.biBitCount; - - Info_h.biCompression = getc(IN); - Info_h.biCompression = (getc(IN) << 8) + Info_h.biCompression; - Info_h.biCompression = (getc(IN) << 16) + Info_h.biCompression; - Info_h.biCompression = (getc(IN) << 24) + Info_h.biCompression; - - Info_h.biSizeImage = getc(IN); - Info_h.biSizeImage = (getc(IN) << 8) + Info_h.biSizeImage; - Info_h.biSizeImage = (getc(IN) << 16) + Info_h.biSizeImage; - Info_h.biSizeImage = (getc(IN) << 24) + Info_h.biSizeImage; - - Info_h.biXpelsPerMeter = getc(IN); - Info_h.biXpelsPerMeter = (getc(IN) << 8) + Info_h.biXpelsPerMeter; - Info_h.biXpelsPerMeter = (getc(IN) << 16) + Info_h.biXpelsPerMeter; - Info_h.biXpelsPerMeter = (getc(IN) << 24) + Info_h.biXpelsPerMeter; - - Info_h.biYpelsPerMeter = getc(IN); - Info_h.biYpelsPerMeter = (getc(IN) << 8) + Info_h.biYpelsPerMeter; - Info_h.biYpelsPerMeter = (getc(IN) << 16) + Info_h.biYpelsPerMeter; - Info_h.biYpelsPerMeter = (getc(IN) << 24) + Info_h.biYpelsPerMeter; - - Info_h.biClrUsed = getc(IN); - Info_h.biClrUsed = (getc(IN) << 8) + Info_h.biClrUsed; - Info_h.biClrUsed = (getc(IN) << 16) + Info_h.biClrUsed; - Info_h.biClrUsed = (getc(IN) << 24) + Info_h.biClrUsed; - - Info_h.biClrImportant = getc(IN); - Info_h.biClrImportant = (getc(IN) << 8) + Info_h.biClrImportant; - Info_h.biClrImportant = (getc(IN) << 16) + Info_h.biClrImportant; - Info_h.biClrImportant = (getc(IN) << 24) + Info_h.biClrImportant; - - /* Read the data and store them in the OUT file */ - - if (Info_h.biBitCount == 24) - { - numcomps = 3; - color_space = OPJ_CLRSPC_SRGB; - /* initialize image components */ - memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t)); - for(i = 0; i < numcomps; i++) - { - cmptparm[i].prec = 8; - cmptparm[i].bpp = 8; - cmptparm[i].sgnd = 0; - cmptparm[i].dx = subsampling_dx; - cmptparm[i].dy = subsampling_dy; - cmptparm[i].w = w; - cmptparm[i].h = h; - } - /* create the image */ - image = opj_image_create(numcomps, &cmptparm[0], color_space); - if(!image) - { - fclose(IN); - return NULL; - } - - /* set image offset and reference grid */ - image->x0 = parameters->image_offset_x0; - image->y0 = parameters->image_offset_y0; - image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w - 1) * subsampling_dx + 1; - image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h - 1) * subsampling_dy + 1; - - /* set image data */ - - /* Place the cursor at the beginning of the image information */ - fseek(IN, 0, SEEK_SET); - fseek(IN, File_h.bfOffBits, SEEK_SET); - - W = Info_h.biWidth; - H = Info_h.biHeight; - - /* PAD = 4 - (3 * W) % 4; */ - /* PAD = (PAD == 4) ? 0 : PAD; */ - PAD = (3 * W) % 4 ? 4 - (3 * W) % 4 : 0; - - RGB = (unsigned char *) - malloc((3 * W + PAD) * H * sizeof(unsigned char)); - - if ( fread(RGB, sizeof(unsigned char), (3 * W + PAD) * H, IN) != (3 * W + PAD) * H ) - { - free(RGB); - opj_image_destroy(image); - fprintf(stderr, "\nError: fread return a number of element different from the expected.\n"); - return NULL; - } - - index = 0; - - for(y = 0; y < (int)H; y++) - { - unsigned char *scanline = RGB + (3 * W + PAD) * (H - 1 - y); - for(x = 0; x < (int)W; x++) - { - unsigned char *pixel = &scanline[3 * x]; - image->comps[0].data[index] = pixel[2]; /* R */ - image->comps[1].data[index] = pixel[1]; /* G */ - image->comps[2].data[index] = pixel[0]; /* B */ - index++; - } - } - free(RGB); - }/* if (Info_h.biBitCount == 24) */ - else - if (Info_h.biBitCount == 8 && Info_h.biCompression == 0)/*RGB */ - { - if(Info_h.biClrUsed == 0) Info_h.biClrUsed = 256; - else - if(Info_h.biClrUsed > 256) Info_h.biClrUsed = 256; - - table_R = (unsigned char *) malloc(256 * sizeof(unsigned char)); - table_G = (unsigned char *) malloc(256 * sizeof(unsigned char)); - table_B = (unsigned char *) malloc(256 * sizeof(unsigned char)); - - has_color = 0; - for (j = 0; j < Info_h.biClrUsed; j++) - { - table_B[j] = (unsigned char)getc(IN); - table_G[j] = (unsigned char)getc(IN); - table_R[j] = (unsigned char)getc(IN); - getc(IN); - has_color += - !(table_R[j] == table_G[j] && table_R[j] == table_B[j]); - } - if(has_color) gray_scale = 0; - - /* Place the cursor at the beginning of the image information */ - fseek(IN, 0, SEEK_SET); - fseek(IN, File_h.bfOffBits, SEEK_SET); - - W = Info_h.biWidth; - H = Info_h.biHeight; - if (Info_h.biWidth % 2) - W++; - - numcomps = gray_scale ? 1 : 3; - color_space = gray_scale ? OPJ_CLRSPC_GRAY : OPJ_CLRSPC_SRGB; - /* initialize image components */ - memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t)); - for(i = 0; i < numcomps; i++) - { - cmptparm[i].prec = 8; - cmptparm[i].bpp = 8; - cmptparm[i].sgnd = 0; - cmptparm[i].dx = subsampling_dx; - cmptparm[i].dy = subsampling_dy; - cmptparm[i].w = w; - cmptparm[i].h = h; - } - /* create the image */ - image = opj_image_create(numcomps, &cmptparm[0], color_space); - if(!image) - { - fclose(IN); - free(table_R); free(table_G); free(table_B); - return NULL; - } - - /* set image offset and reference grid */ - image->x0 = parameters->image_offset_x0; - image->y0 = parameters->image_offset_y0; - image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w - 1) * subsampling_dx + 1; - image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h - 1) * subsampling_dy + 1; - - /* set image data */ - - RGB = (unsigned char *) malloc(W * H * sizeof(unsigned char)); - - if ( fread(RGB, sizeof(unsigned char), W * H, IN) != W * H ) - { - free(table_R); - free(table_G); - free(table_B); - free(RGB); - opj_image_destroy(image); - fprintf(stderr, "\nError: fread return a number of element different from the expected.\n"); - return NULL; - } - if (gray_scale) - { - index = 0; - for (j = 0; j < W * H; j++) - { - if ((j % W < W - 1 && Info_h.biWidth % 2) || !(Info_h.biWidth % 2)) - { - image->comps[0].data[index] = - table_R[RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)]]; - index++; - } - } - - } - else - { - index = 0; - for (j = 0; j < W * H; j++) - { - if ((j % W < W - 1 && Info_h.biWidth % 2) - || !(Info_h.biWidth % 2)) - { - unsigned char pixel_index = - RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)]; - image->comps[0].data[index] = table_R[pixel_index]; - image->comps[1].data[index] = table_G[pixel_index]; - image->comps[2].data[index] = table_B[pixel_index]; - index++; - } - } - } - free(RGB); - free(table_R); - free(table_G); - free(table_B); - }/* RGB8 */ - else - if (Info_h.biBitCount == 8 && Info_h.biCompression == 1)/*RLE8*/ - { - unsigned char *pix, *beyond; - int *gray, *red, *green, *blue; - unsigned int x, y, max; - int i, c, c1; - unsigned char uc; - - if (Info_h.biClrUsed == 0) - Info_h.biClrUsed = 256; - else if (Info_h.biClrUsed > 256) - Info_h.biClrUsed = 256; - - table_R = (unsigned char *) malloc(256 * sizeof(unsigned char)); - table_G = (unsigned char *) malloc(256 * sizeof(unsigned char)); - table_B = (unsigned char *) malloc(256 * sizeof(unsigned char)); - - has_color = 0; - for (j = 0; j < Info_h.biClrUsed; j++) - { - table_B[j] = (unsigned char)getc(IN); - table_G[j] = (unsigned char)getc(IN); - table_R[j] = (unsigned char)getc(IN); - getc(IN); - has_color += !(table_R[j] == table_G[j] && table_R[j] == table_B[j]); - } - - if (has_color) - gray_scale = 0; - - numcomps = gray_scale ? 1 : 3; - color_space = gray_scale ? OPJ_CLRSPC_GRAY : OPJ_CLRSPC_SRGB; - /* initialize image components */ - memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t)); - for (i = 0; i < numcomps; i++) - { - cmptparm[i].prec = 8; - cmptparm[i].bpp = 8; - cmptparm[i].sgnd = 0; - cmptparm[i].dx = subsampling_dx; - cmptparm[i].dy = subsampling_dy; - cmptparm[i].w = w; - cmptparm[i].h = h; - } - /* create the image */ - image = opj_image_create(numcomps, &cmptparm[0], color_space); - if (!image) - { - fclose(IN); - free(table_R); - free(table_G); - free(table_B); - return NULL; - } - - /* set image offset and reference grid */ - image->x0 = parameters->image_offset_x0; - image->y0 = parameters->image_offset_y0; - image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w - - 1) * subsampling_dx + 1; - image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h - - 1) * subsampling_dy + 1; - - /* set image data */ - - /* Place the cursor at the beginning of the image information */ - fseek(IN, 0, SEEK_SET); - fseek(IN, File_h.bfOffBits, SEEK_SET); - - W = Info_h.biWidth; - H = Info_h.biHeight; - RGB = (unsigned char *) calloc(1, W * H * sizeof(unsigned char)); - beyond = RGB + W * H; - pix = beyond - W; - x = y = 0; - - while (y < H) - { - c = getc(IN); - - if (c) - { - c1 = getc(IN); - - for (i = 0; i < c && x < W && pix < beyond; i++, x++, pix++) - *pix = (unsigned char)c1; - } - else - { - c = getc(IN); - - if (c == 0x00) /* EOL */ - { - x = 0; - ++y; - pix = RGB + x + (H - y - 1) * W; - } - else if (c == 0x01) /* EOP */ - break; - else if (c == 0x02) /* MOVE by dxdy */ - { - c = getc(IN); - x += c; - c = getc(IN); - y += c; - pix = RGB + (H - y - 1) * W + x; - } - else /* 03 .. 255 */ - { - i = 0; - for (; i < c && x < W && pix < beyond; i++, x++, pix++) - { - c1 = getc(IN); - *pix = (unsigned char)c1; - } - if (c & 1) /* skip padding byte */ - getc(IN); - } - } - }/* while() */ - - if (gray_scale) - { - gray = image->comps[0].data; - pix = RGB; - max = W * H; - - while (max--) - { - uc = *pix++; - - *gray++ = table_R[uc]; - } - } - else - { - /*int *red, *green, *blue;*/ - - red = image->comps[0].data; - green = image->comps[1].data; - blue = image->comps[2].data; - pix = RGB; - max = W * H; - - while (max--) - { - uc = *pix++; - - *red++ = table_R[uc]; - *green++ = table_G[uc]; - *blue++ = table_B[uc]; - } - } - free(RGB); - free(table_R); - free(table_G); - free(table_B); - }/* RLE8 */ - else - { - fprintf(stderr, - "Other system than 24 bits/pixels or 8 bits (no RLE coding) " - "is not yet implemented [%d]\n", Info_h.biBitCount); - } - fclose(IN); - return image; -} - -int imagetobmp(opj_image_t * image, const char *outfile) { - int w, h; - int i, pad; - FILE *fdest = NULL; - int adjustR, adjustG, adjustB; - - if (image->comps[0].prec < 8) { - fprintf(stderr, "Unsupported number of components: %d\n", image->comps[0].prec); - return 1; - } - if (image->numcomps >= 3 && image->comps[0].dx == image->comps[1].dx - && image->comps[1].dx == image->comps[2].dx - && image->comps[0].dy == image->comps[1].dy - && image->comps[1].dy == image->comps[2].dy - && image->comps[0].prec == image->comps[1].prec - && image->comps[1].prec == image->comps[2].prec) { - - /* -->> -->> -->> -->> - 24 bits color - <<-- <<-- <<-- <<-- */ - - fdest = fopen(outfile, "wb"); - if (!fdest) { - fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile); - return 1; - } - - w = image->comps[0].w; - h = image->comps[0].h; - - fprintf(fdest, "BM"); - - /* FILE HEADER */ - /* ------------- */ - fprintf(fdest, "%c%c%c%c", - (unsigned char) (h * w * 3 + 3 * h * (w % 2) + 54) & 0xff, - (unsigned char) ((h * w * 3 + 3 * h * (w % 2) + 54) >> 8) & 0xff, - (unsigned char) ((h * w * 3 + 3 * h * (w % 2) + 54) >> 16) & 0xff, - (unsigned char) ((h * w * 3 + 3 * h * (w % 2) + 54) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (54) & 0xff, ((54) >> 8) & 0xff,((54) >> 16) & 0xff, ((54) >> 24) & 0xff); - - /* INFO HEADER */ - /* ------------- */ - fprintf(fdest, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff, ((40) >> 16) & 0xff, ((40) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (unsigned char) ((w) & 0xff), - (unsigned char) ((w) >> 8) & 0xff, - (unsigned char) ((w) >> 16) & 0xff, - (unsigned char) ((w) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (unsigned char) ((h) & 0xff), - (unsigned char) ((h) >> 8) & 0xff, - (unsigned char) ((h) >> 16) & 0xff, - (unsigned char) ((h) >> 24) & 0xff); - fprintf(fdest, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff); - fprintf(fdest, "%c%c", (24) & 0xff, ((24) >> 8) & 0xff); - fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (unsigned char) (3 * h * w + 3 * h * (w % 2)) & 0xff, - (unsigned char) ((h * w * 3 + 3 * h * (w % 2)) >> 8) & 0xff, - (unsigned char) ((h * w * 3 + 3 * h * (w % 2)) >> 16) & 0xff, - (unsigned char) ((h * w * 3 + 3 * h * (w % 2)) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff); - - if (image->comps[0].prec > 8) { - adjustR = image->comps[0].prec - 8; - printf("BMP CONVERSION: Truncating component 0 from %d bits to 8 bits\n", image->comps[0].prec); - } - else - adjustR = 0; - if (image->comps[1].prec > 8) { - adjustG = image->comps[1].prec - 8; - printf("BMP CONVERSION: Truncating component 1 from %d bits to 8 bits\n", image->comps[1].prec); - } - else - adjustG = 0; - if (image->comps[2].prec > 8) { - adjustB = image->comps[2].prec - 8; - printf("BMP CONVERSION: Truncating component 2 from %d bits to 8 bits\n", image->comps[2].prec); - } - else - adjustB = 0; - - for (i = 0; i < w * h; i++) { - unsigned char rc, gc, bc; - int r, g, b; - - r = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]; - r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0); - r = ((r >> adjustR)+((r >> (adjustR-1))%2)); - if(r > 255) r = 255; else if(r < 0) r = 0; - rc = (unsigned char)r; - - g = image->comps[1].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]; - g += (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0); - g = ((g >> adjustG)+((g >> (adjustG-1))%2)); - if(g > 255) g = 255; else if(g < 0) g = 0; - gc = (unsigned char)g; - - b = image->comps[2].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]; - b += (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0); - b = ((b >> adjustB)+((b >> (adjustB-1))%2)); - if(b > 255) b = 255; else if(b < 0) b = 0; - bc = (unsigned char)b; - - fprintf(fdest, "%c%c%c", bc, gc, rc); - - if ((i + 1) % w == 0) { - for (pad = (3 * w) % 4 ? 4 - (3 * w) % 4 : 0; pad > 0; pad--) /* ADD */ - fprintf(fdest, "%c", 0); - } - } - fclose(fdest); - } else { /* Gray-scale */ - - /* -->> -->> -->> -->> - 8 bits non code (Gray scale) - <<-- <<-- <<-- <<-- */ - - fdest = fopen(outfile, "wb"); - w = image->comps[0].w; - h = image->comps[0].h; - - fprintf(fdest, "BM"); - - /* FILE HEADER */ - /* ------------- */ - fprintf(fdest, "%c%c%c%c", (unsigned char) (h * w + 54 + 1024 + h * (w % 2)) & 0xff, - (unsigned char) ((h * w + 54 + 1024 + h * (w % 2)) >> 8) & 0xff, - (unsigned char) ((h * w + 54 + 1024 + h * (w % 2)) >> 16) & 0xff, - (unsigned char) ((h * w + 54 + 1024 + w * (w % 2)) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (54 + 1024) & 0xff, ((54 + 1024) >> 8) & 0xff, - ((54 + 1024) >> 16) & 0xff, - ((54 + 1024) >> 24) & 0xff); - - /* INFO HEADER */ - /* ------------- */ - fprintf(fdest, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff, ((40) >> 16) & 0xff, ((40) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (unsigned char) ((w) & 0xff), - (unsigned char) ((w) >> 8) & 0xff, - (unsigned char) ((w) >> 16) & 0xff, - (unsigned char) ((w) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (unsigned char) ((h) & 0xff), - (unsigned char) ((h) >> 8) & 0xff, - (unsigned char) ((h) >> 16) & 0xff, - (unsigned char) ((h) >> 24) & 0xff); - fprintf(fdest, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff); - fprintf(fdest, "%c%c", (8) & 0xff, ((8) >> 8) & 0xff); - fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (unsigned char) (h * w + h * (w % 2)) & 0xff, - (unsigned char) ((h * w + h * (w % 2)) >> 8) & 0xff, - (unsigned char) ((h * w + h * (w % 2)) >> 16) & 0xff, - (unsigned char) ((h * w + h * (w % 2)) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff, ((256) >> 16) & 0xff, ((256) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff, ((256) >> 16) & 0xff, ((256) >> 24) & 0xff); - - if (image->comps[0].prec > 8) { - adjustR = image->comps[0].prec - 8; - printf("BMP CONVERSION: Truncating component 0 from %d bits to 8 bits\n", image->comps[0].prec); - }else - adjustR = 0; - - for (i = 0; i < 256; i++) { - fprintf(fdest, "%c%c%c%c", i, i, i, 0); - } - - for (i = 0; i < w * h; i++) { - int r; - - r = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]; - r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0); - r = ((r >> adjustR)+((r >> (adjustR-1))%2)); - if(r > 255) r = 255; else if(r < 0) r = 0; - - fprintf(fdest, "%c", (unsigned char)r); - - if ((i + 1) % w == 0) { - for (pad = w % 4 ? 4 - w % 4 : 0; pad > 0; pad--) /* ADD */ - fprintf(fdest, "%c", 0); - } - } - fclose(fdest); - } - - return 0; -} - /* -->> -->> -->> -->> PGX IMAGE FORMAT @@ -1246,9 +639,9 @@ static unsigned short readushort(FILE * f, int bigendian) return 0; } if (bigendian) - return (c1 << 8) + c2; + return (unsigned short)((c1 << 8) + c2); else - return (c2 << 8) + c1; + return (unsigned short)((c2 << 8) + c1); } static unsigned int readuint(FILE * f, int bigendian) @@ -1275,9 +668,9 @@ static unsigned int readuint(FILE * f, int bigendian) return 0; } if (bigendian) - return (c1 << 24) + (c2 << 16) + (c3 << 8) + c4; + return (unsigned int)(c1 << 24) + (unsigned int)(c2 << 16) + (unsigned int)(c3 << 8) + c4; else - return (c4 << 24) + (c3 << 16) + (c2 << 8) + c1; + return (unsigned int)(c4 << 24) + (unsigned int)(c3 << 16) + (unsigned int)(c2 << 8) + c1; } opj_image_t* pgxtoimage(const char *filename, opj_cparameters_t *parameters) { @@ -1334,10 +727,10 @@ opj_image_t* pgxtoimage(const char *filename, opj_cparameters_t *parameters) { /* initialize image component */ - cmptparm.x0 = parameters->image_offset_x0; - cmptparm.y0 = parameters->image_offset_y0; - cmptparm.w = !cmptparm.x0 ? (w - 1) * parameters->subsampling_dx + 1 : cmptparm.x0 + (w - 1) * parameters->subsampling_dx + 1; - cmptparm.h = !cmptparm.y0 ? (h - 1) * parameters->subsampling_dy + 1 : cmptparm.y0 + (h - 1) * parameters->subsampling_dy + 1; + cmptparm.x0 = (OPJ_UINT32)parameters->image_offset_x0; + cmptparm.y0 = (OPJ_UINT32)parameters->image_offset_y0; + cmptparm.w = !cmptparm.x0 ? (OPJ_UINT32)((w - 1) * parameters->subsampling_dx + 1) : cmptparm.x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)parameters->subsampling_dx + 1; + cmptparm.h = !cmptparm.y0 ? (OPJ_UINT32)((h - 1) * parameters->subsampling_dy + 1) : cmptparm.y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)parameters->subsampling_dy + 1; if (sign == '-') { cmptparm.sgnd = 1; @@ -1354,13 +747,13 @@ opj_image_t* pgxtoimage(const char *filename, opj_cparameters_t *parameters) { } else ushift = dshift = force8 = adjustS = 0; - cmptparm.prec = prec; - cmptparm.bpp = prec; - cmptparm.dx = parameters->subsampling_dx; - cmptparm.dy = parameters->subsampling_dy; + cmptparm.prec = (OPJ_UINT32)prec; + cmptparm.bpp = (OPJ_UINT32)prec; + cmptparm.dx = (OPJ_UINT32)parameters->subsampling_dx; + cmptparm.dy = (OPJ_UINT32)parameters->subsampling_dy; /* create the image */ - image = opj_image_create(numcomps, &cmptparm, color_space); + image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm, color_space); if(!image) { fclose(f); return NULL; @@ -1401,7 +794,7 @@ opj_image_t* pgxtoimage(const char *filename, opj_cparameters_t *parameters) { } } else { if (!comp->sgnd) { - v = readuint(f, bigendian); + v = (int)readuint(f, bigendian); } else { v = (int) readuint(f, bigendian); } @@ -1411,95 +804,107 @@ opj_image_t* pgxtoimage(const char *filename, opj_cparameters_t *parameters) { comp->data[i] = v; } fclose(f); - comp->bpp = int_floorlog2(max) + 1; + comp->bpp = (OPJ_UINT32)int_floorlog2(max) + 1; return image; } +#define CLAMP(x,a,b) x < a ? a : (x > b ? b : x) + +static INLINE int clamp( const int value, const int prec, const int sgnd ) +{ + if( sgnd ) + { + if (prec <= 8) return CLAMP(value,-128,127); + else if (prec <= 16) return CLAMP(value,-32768,32767); + else return CLAMP(value,-2147483647-1,2147483647); + } + else + { + if (prec <= 8) return CLAMP(value,0,255); + else if (prec <= 16) return CLAMP(value,0,65535); + else return value; /*CLAMP(value,0,4294967295);*/ + } +} + int imagetopgx(opj_image_t * image, const char *outfile) { - int w, h; - int i, j, compno, fails; - FILE *fdest = NULL; + int w, h; + int i, j, fails = 1; + unsigned int compno; + FILE *fdest = NULL; - for (compno = 0; compno < image->numcomps; compno++) - { - opj_image_comp_t *comp = &image->comps[compno]; - char bname[256]; /* buffer for name */ - char *name = bname; /* pointer */ - int nbytes = 0; - size_t res; - const size_t olen = strlen(outfile); - const size_t dotpos = olen - 4; - const size_t total = dotpos + 1 + 1 + 4; /* '-' + '[1-3]' + '.pgx' */ + for (compno = 0; compno < image->numcomps; compno++) + { + opj_image_comp_t *comp = &image->comps[compno]; + char bname[256]; /* buffer for name */ + char *name = bname; /* pointer */ + int nbytes = 0; + size_t res; + const size_t olen = strlen(outfile); + const size_t dotpos = olen - 4; + const size_t total = dotpos + 1 + 1 + 4; /* '-' + '[1-3]' + '.pgx' */ if( outfile[dotpos] != '.' ) - { -/* `pgx` was recognized but there is no dot at expected position */ - fprintf(stderr, "ERROR -> Impossible happen." ); - return 1; - } - if( total > 256 ) - { - name = (char*)malloc(total+1); - } - strncpy(name, outfile, dotpos); - /*if (image->numcomps > 1) {*/ - sprintf(name+dotpos, "_%d.pgx", compno); - /*} else { - strcpy(name+dotpos, ".pgx"); - }*/ - fdest = fopen(name, "wb"); - if (!fdest) - { - fprintf(stderr, "ERROR -> failed to open %s for writing\n", name); - return 1; - } -/* dont need name anymore */ + { + /* `pgx` was recognized but there is no dot at expected position */ + fprintf(stderr, "ERROR -> Impossible happen." ); + goto fin; + } if( total > 256 ) - free(name); - - fails = 1; - w = image->comps[compno].w; - h = image->comps[compno].h; - - fprintf(fdest, "PG ML %c %d %d %d\n", comp->sgnd ? '-' : '+', - comp->prec, w, h); - - if (comp->prec <= 8) - nbytes = 1; - else - if (comp->prec <= 16) - nbytes = 2; - else - nbytes = 4; - - for (i = 0; i < w * h; i++) - { - int v, val = image->comps[compno].data[i]; - unsigned char byte; + { + name = (char*)malloc(total+1); + } + strncpy(name, outfile, dotpos); + sprintf(name+dotpos, "_%d.pgx", compno); + fdest = fopen(name, "wb"); + /* dont need name anymore */ + if( total > 256 ) free(name); + if (!fdest) + { + fprintf(stderr, "ERROR -> failed to open %s for writing\n", name); + goto fin; + } + + w = (int)image->comps[compno].w; + h = (int)image->comps[compno].h; + + fprintf(fdest, "PG ML %c %d %d %d\n", comp->sgnd ? '-' : '+', comp->prec, + w, h); + + if (comp->prec <= 8) + nbytes = 1; + else if (comp->prec <= 16) + nbytes = 2; + else + nbytes = 4; - for (j = nbytes - 1; j >= 0; j--) - { - v = (int)(val >> (j * 8)); - if(v > 255) v = 255; else if(v < 0) v = 0; - byte = (unsigned char)v; - res = fwrite(&byte, 1, 1, fdest); + for (i = 0; i < w * h; i++) + { + /* FIXME: clamp func is being called within a loop */ + const int val = clamp(image->comps[compno].data[i], + (int)comp->prec, (int)comp->sgnd); - if( res < 1 ) - { - fprintf(stderr, "failed to write 1 byte for %s\n", name); - goto fin; - } - } - } - fclose(fdest); fdest = NULL; - } - fails = 0; + for (j = nbytes - 1; j >= 0; j--) + { + int v = (int)(val >> (j * 8)); + unsigned char byte = (unsigned char)v; + res = fwrite(&byte, 1, 1, fdest); + + if( res < 1 ) + { + fprintf(stderr, "failed to write 1 byte for %s\n", name); + goto fin; + } + } + } + fclose(fdest); fdest = NULL; + } + fails = 0; fin: - if(fdest) fclose(fdest); + if(fdest) fclose(fdest); - return fails; + return fails; } /* -->> -->> -->> -->> @@ -1566,7 +971,6 @@ static char *skip_idf(char *start, char out_idf[256]) static void read_pnm_header(FILE *reader, struct pnm_header *ph) { - char *s; int format, have_wh, end, ttype; char idf[256], type[256]; char line[256]; @@ -1592,6 +996,8 @@ static void read_pnm_header(FILE *reader, struct pnm_header *ph) while(fgets(line, 250, reader)) { + char *s; + if(*line == '#') continue; s = line; @@ -1675,7 +1081,18 @@ static void read_pnm_header(FILE *reader, struct pnm_header *ph) have_wh = 1; if(format == 1 || format == 4) break; - + + if(format == 2 || format == 3 || format == 5 || format == 6) + { + if (skip_int(s, &ph->maxval) != NULL) { + if(ph->maxval > 65535) { + return; + } + else { + break; + } + } + } continue; } if(format == 2 || format == 3 || format == 5 || format == 6) @@ -1701,7 +1118,7 @@ static void read_pnm_header(FILE *reader, struct pnm_header *ph) } if(ph->depth < 1 || ph->depth > 4) return; - if(ph->width && ph->height && ph->depth & ph->maxval && ttype) + if(ph->width && ph->height && ph->depth && ph->maxval && ttype) ph->ok = 1; } else @@ -1799,27 +1216,27 @@ opj_image_t* pnmtoimage(const char *filename, opj_cparameters_t *parameters) { subsampling_dx = parameters->subsampling_dx; subsampling_dy = parameters->subsampling_dy; - memset(&cmptparm[0], 0, numcomps * sizeof(opj_image_cmptparm_t)); + memset(&cmptparm[0], 0, (size_t)numcomps * sizeof(opj_image_cmptparm_t)); for(i = 0; i < numcomps; i++) { - cmptparm[i].prec = prec; - cmptparm[i].bpp = prec; + cmptparm[i].prec = (OPJ_UINT32)prec; + cmptparm[i].bpp = (OPJ_UINT32)prec; cmptparm[i].sgnd = 0; - cmptparm[i].dx = subsampling_dx; - cmptparm[i].dy = subsampling_dy; - cmptparm[i].w = w; - cmptparm[i].h = h; + cmptparm[i].dx = (OPJ_UINT32)subsampling_dx; + cmptparm[i].dy = (OPJ_UINT32)subsampling_dy; + cmptparm[i].w = (OPJ_UINT32)w; + cmptparm[i].h = (OPJ_UINT32)h; } - image = opj_image_create(numcomps, &cmptparm[0], color_space); + image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space); if(!image) { fclose(fp); return NULL; } /* set image offset and reference grid */ - image->x0 = parameters->image_offset_x0; - image->y0 = parameters->image_offset_y0; - image->x1 = parameters->image_offset_x0 + (w - 1) * subsampling_dx + 1; - image->y1 = parameters->image_offset_y0 + (h - 1) * subsampling_dy + 1; + image->x0 = (OPJ_UINT32)parameters->image_offset_x0; + image->y0 = (OPJ_UINT32)parameters->image_offset_y0; + image->x1 = (OPJ_UINT32)(parameters->image_offset_x0 + (w - 1) * subsampling_dx + 1); + image->y1 = (OPJ_UINT32)(parameters->image_offset_y0 + (h - 1) * subsampling_dy + 1); if((format == 2) || (format == 3)) /* ascii pixmap */ { @@ -1833,7 +1250,7 @@ opj_image_t* pnmtoimage(const char *filename, opj_cparameters_t *parameters) { if (fscanf(fp, "%u", &index) != 1) fprintf(stderr, "\nWARNING: fscanf return a number of element different from the expected.\n"); - image->comps[compno].data[i] = (index * 255)/header_info.maxval; + image->comps[compno].data[i] = (OPJ_INT32)(index * 255)/header_info.maxval; } } } @@ -1852,8 +1269,12 @@ opj_image_t* pnmtoimage(const char *filename, opj_cparameters_t *parameters) { { for(compno = 0; compno < numcomps; compno++) { - if ( !fread(&c0, 1, 1, fp) ) - fprintf(stderr, "\nError: fread return a number of element different from the expected.\n"); + if ( !fread(&c0, 1, 1, fp) ) + { + fprintf(stderr, "\nError: fread return a number of element different from the expected.\n"); + opj_image_destroy(image); + return NULL; + } if(one) { image->comps[compno].data[i] = c0; @@ -1921,11 +1342,12 @@ opj_image_t* pnmtoimage(const char *filename, opj_cparameters_t *parameters) { return image; }/* pnmtoimage() */ -int imagetopnm(opj_image_t * image, const char *outfile) +int imagetopnm(opj_image_t * image, const char *outfile, int force_split) { int *red, *green, *blue, *alpha; int wr, hr, max; - int i, compno, ncomp; + int i; + unsigned int compno, ncomp; int adjustR, adjustG, adjustB, adjustA; int fails, two, want_gray, has_alpha, triple; int prec, v; @@ -1935,7 +1357,7 @@ int imagetopnm(opj_image_t * image, const char *outfile) alpha = NULL; - if((prec = image->comps[0].prec) > 16) + if((prec = (int)image->comps[0].prec) > 16) { fprintf(stderr,"%s:%d:imagetopnm\n\tprecision %d is larger than 16" "\n\t: refused.\n",__FILE__,__LINE__,prec); @@ -1950,7 +1372,8 @@ int imagetopnm(opj_image_t * image, const char *outfile) if(want_gray) ncomp = 1; - if (ncomp == 2 /* GRAYA */ + if ((force_split == 0) && + (ncomp == 2 /* GRAYA */ || (ncomp > 2 /* RGB, RGBA */ && image->comps[0].dx == image->comps[1].dx && image->comps[1].dx == image->comps[2].dx @@ -1958,8 +1381,8 @@ int imagetopnm(opj_image_t * image, const char *outfile) && image->comps[1].dy == image->comps[2].dy && image->comps[0].prec == image->comps[1].prec && image->comps[1].prec == image->comps[2].prec - )) - { + ))) + { fdest = fopen(outfile, "wb"); if (!fdest) @@ -1969,7 +1392,7 @@ int imagetopnm(opj_image_t * image, const char *outfile) } two = (prec > 8); triple = (ncomp > 2); - wr = image->comps[0].w; hr = image->comps[0].h; + wr = (int)image->comps[0].w; hr = (int)image->comps[0].h; max = (1<comps[0].data; @@ -2084,8 +1507,15 @@ if(v > 65535) v = 65535; else if(v < 0) v = 0; for (compno = 0; compno < ncomp; compno++) { - if (ncomp > 1) - sprintf(destname, "%d.%s", compno, outfile); + if (ncomp > 1) + { + /*sprintf(destname, "%d.%s", compno, outfile);*/ + const size_t olen = strlen(outfile); + const size_t dotpos = olen - 4; + + strncpy(destname, outfile, dotpos); + sprintf(destname+dotpos, "_%d.pgm", compno); + } else sprintf(destname, "%s", outfile); @@ -2096,8 +1526,8 @@ if(v > 65535) v = 65535; else if(v < 0) v = 0; free(destname); return 1; } - wr = image->comps[compno].w; hr = image->comps[compno].h; - prec = image->comps[compno].prec; + wr = (int)image->comps[compno].w; hr = (int)image->comps[compno].h; + prec = (int)image->comps[compno].prec; max = (1< 65535) v = 65535; else if(v < 0) v = 0; return 0; }/* imagetopnm() */ -#ifdef OPJ_HAVE_LIBTIFF /* -->> -->> -->> -->> - TIFF IMAGE FORMAT + RAW IMAGE FORMAT <<-- <<-- <<-- <<-- */ +static opj_image_t* rawtoimage_common(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp, OPJ_BOOL big_endian) { + int subsampling_dx = parameters->subsampling_dx; + int subsampling_dy = parameters->subsampling_dy; -int imagetotif(opj_image_t * image, const char *outfile) -{ - int width, height, imgsize; - int bps,index,adjust, sgnd; - int ushift, dshift, has_alpha, force16; - TIFF *tif; - tdata_t buf; - tstrip_t strip; - tsize_t strip_size; - - ushift = dshift = force16 = has_alpha = 0; - bps = image->comps[0].prec; - - if(bps > 8 && bps < 16) + FILE *f = NULL; + int i, compno, numcomps, w, h; + OPJ_COLOR_SPACE color_space; + opj_image_cmptparm_t *cmptparm; + opj_image_t * image = NULL; + unsigned short ch; + + if((! (raw_cp->rawWidth & raw_cp->rawHeight & raw_cp->rawComp & raw_cp->rawBitDepth)) == 0) { - ushift = 16 - bps; dshift = bps - ushift; - bps = 16; force16 = 1; - } - - if(bps != 8 && bps != 16) - { - fprintf(stderr,"imagetotif: Bits=%d, Only 8 and 16 bits implemented\n", - bps); - fprintf(stderr,"\tAborting\n"); - return 1; - } - tif = TIFFOpen(outfile, "wb"); - - if (!tif) - { - fprintf(stderr, "imagetotif:failed to open %s for writing\n", outfile); - return 1; - } - sgnd = image->comps[0].sgnd; - adjust = sgnd ? 1 << (image->comps[0].prec - 1) : 0; - - if(image->numcomps >= 3 - && image->comps[0].dx == image->comps[1].dx - && image->comps[1].dx == image->comps[2].dx - && image->comps[0].dy == image->comps[1].dy - && image->comps[1].dy == image->comps[2].dy - && image->comps[0].prec == image->comps[1].prec - && image->comps[1].prec == image->comps[2].prec) - { - has_alpha = (image->numcomps == 4); - - width = image->comps[0].w; - height = image->comps[0].h; - imgsize = width * height ; - - TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width); - TIFFSetField(tif, TIFFTAG_IMAGELENGTH, height); - TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 3 + has_alpha); - TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bps); - TIFFSetField(tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT); - TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG); - TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB); - TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1); - strip_size = TIFFStripSize(tif); - buf = _TIFFmalloc(strip_size); - index=0; - - for(strip = 0; strip < TIFFNumberOfStrips(tif); strip++) - { - unsigned char *dat8; - tsize_t i, ssize, last_i = 0; - int step, restx; - ssize = TIFFStripSize(tif); - dat8 = (unsigned char*)buf; - - if(bps == 8) - { - step = 3 + has_alpha; - restx = step - 1; - - for(i=0; i < ssize - restx; i += step) - { - int r, g, b, a = 0; - - if(index < imgsize) - { - r = image->comps[0].data[index]; - g = image->comps[1].data[index]; - b = image->comps[2].data[index]; - if(has_alpha) a = image->comps[3].data[index]; - - if(sgnd) - { - r += adjust; - g += adjust; - b += adjust; - if(has_alpha) a += adjust; - } - if(r > 255) r = 255; else if(r < 0) r = 0; - dat8[i+0] = r ; - if(g > 255) g = 255; else if(g < 0) g = 0; - dat8[i+1] = g ; - if(b > 255) b = 255; else if(b < 0) b = 0; - dat8[i+2] = b ; - if(has_alpha) - { - if(a > 255) a = 255; else if(a < 0) a = 0; - dat8[i+3] = a; - } - - index++; - last_i = i + step; - } - else - break; - }/*for(i = 0;)*/ - - if(last_i < ssize) - { - for(i = last_i; i < ssize; i += step) - { - int r, g, b, a = 0; - - if(index < imgsize) - { - r = image->comps[0].data[index]; - g = image->comps[1].data[index]; - b = image->comps[2].data[index]; - if(has_alpha) a = image->comps[3].data[index]; - - if(sgnd) - { - r += adjust; - g += adjust; - b += adjust; - if(has_alpha) a += adjust; - } - if(r > 255) r = 255; else if(r < 0) r = 0; - if(g > 255) g = 255; else if(g < 0) g = 0; - if(b > 255) b = 255; else if(b < 0) b = 0; - - dat8[i+0] = r ; - if(i+1 < ssize) dat8[i+1] = g ; else break; - if(i+2 < ssize) dat8[i+2] = b ; else break; - if(has_alpha) - { - if(a > 255) a = 255; else if(a < 0) a = 0; - - if(i+3 < ssize) dat8[i+3] = a ; else break; - } - index++; - } - else - break; - }/*for(i)*/ - }/*if(last_i < ssize)*/ - - } /*if(bps == 8)*/ - else - if(bps == 16) - { - step = 6 + has_alpha + has_alpha; - restx = step - 1; - - for(i = 0; i < ssize - restx ; i += step) - { - int r, g, b, a = 0; - - if(index < imgsize) - { - r = image->comps[0].data[index]; - g = image->comps[1].data[index]; - b = image->comps[2].data[index]; - if(has_alpha) a = image->comps[3].data[index]; - - if(sgnd) - { - r += adjust; - g += adjust; - b += adjust; - if(has_alpha) a += adjust; - } - if(force16) - { - r = (r<>dshift); - g = (g<>dshift); - b = (b<>dshift); - if(has_alpha) a = (a<>dshift); - } - if(r > 65535) r = 65535; else if(r < 0) r = 0; - if(g > 65535) g = 65535; else if(g < 0) g = 0; - if(b > 65535) b = 65535; else if(b < 0) b = 0; - - dat8[i+0] = r;/*LSB*/ - dat8[i+1] = (r >> 8);/*MSB*/ - dat8[i+2] = g; - dat8[i+3] = (g >> 8); - dat8[i+4] = b; - dat8[i+5] = (b >> 8); - if(has_alpha) - { - if(a > 65535) a = 65535; else if(a < 0) a = 0; - dat8[i+6] = a; - dat8[i+7] = (a >> 8); - } - index++; - last_i = i + step; - } - else - break; - }/*for(i = 0;)*/ - - if(last_i < ssize) - { - for(i = last_i ; i < ssize ; i += step) - { - int r, g, b, a = 0; - - if(index < imgsize) - { - r = image->comps[0].data[index]; - g = image->comps[1].data[index]; - b = image->comps[2].data[index]; - if(has_alpha) a = image->comps[3].data[index]; - - if(sgnd) - { - r += adjust; - g += adjust; - b += adjust; - if(has_alpha) a += adjust; - } - if(force16) - { - r = (r<>dshift); - g = (g<>dshift); - b = (b<>dshift); - if(has_alpha) a = (a<>dshift); - } - if(r > 65535) r = 65535; else if(r < 0) r = 0; - if(g > 65535) g = 65535; else if(g < 0) g = 0; - if(b > 65535) b = 65535; else if(b < 0) b = 0; - - dat8[i+0] = r;/*LSB*/ - if(i+1 < ssize) dat8[i+1] = (r >> 8);else break;/*MSB*/ - if(i+2 < ssize) dat8[i+2] = g; else break; - if(i+3 < ssize) dat8[i+3] = (g >> 8);else break; - if(i+4 < ssize) dat8[i+4] = b; else break; - if(i+5 < ssize) dat8[i+5] = (b >> 8);else break; - - if(has_alpha) - { - if(a > 65535) a = 65535; else if(a < 0) a = 0; - if(i+6 < ssize) dat8[i+6] = a; else break; - if(i+7 < ssize) dat8[i+7] = (a >> 8); else break; - } - index++; - } - else - break; - }/*for(i)*/ - }/*if(last_i < ssize)*/ - - }/*if(bps == 16)*/ - (void)TIFFWriteEncodedStrip(tif, strip, (void*)buf, strip_size); - }/*for(strip = 0; )*/ - - _TIFFfree((void*)buf); - TIFFClose(tif); - - return 0; - }/*RGB(A)*/ - - if(image->numcomps == 1 /* GRAY */ - || ( image->numcomps == 2 /* GRAY_ALPHA */ - && image->comps[0].dx == image->comps[1].dx - && image->comps[0].dy == image->comps[1].dy - && image->comps[0].prec == image->comps[1].prec)) - { - int step; - - has_alpha = (image->numcomps == 2); - - width = image->comps[0].w; - height = image->comps[0].h; - imgsize = width * height; - - /* Set tags */ - TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width); - TIFFSetField(tif, TIFFTAG_IMAGELENGTH, height); - TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1 + has_alpha); - TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bps); - TIFFSetField(tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT); - TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG); - TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK); - TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1); - - /* Get a buffer for the data */ - strip_size = TIFFStripSize(tif); - buf = _TIFFmalloc(strip_size); - index = 0; - - for(strip = 0; strip < TIFFNumberOfStrips(tif); strip++) - { - unsigned char *dat8; - tsize_t i, ssize = TIFFStripSize(tif); - dat8 = (unsigned char*)buf; - - if(bps == 8) - { - step = 1 + has_alpha; - - for(i=0; i < ssize; i += step) - { - if(index < imgsize) - { - int r, a = 0; - - r = image->comps[0].data[index]; - if(has_alpha) a = image->comps[1].data[index]; - - if(sgnd) - { - r += adjust; - if(has_alpha) a += adjust; - } - if(r > 255) r = 255; else if(r < 0) r = 0; - dat8[i+0] = r; - - if(has_alpha) - { - if(a > 255) a = 255; else if(a < 0) a = 0; - dat8[i+1] = a; - } - index++; - } - else - break; - }/*for(i )*/ - }/*if(bps == 8*/ - else - if(bps == 16) - { - step = 2 + has_alpha + has_alpha; - - for(i=0; i < ssize; i += step) - { - if(index < imgsize) - { - int r, a = 0; - - r = image->comps[0].data[index]; - if(has_alpha) a = image->comps[1].data[index]; - - if(sgnd) - { - r += adjust; - if(has_alpha) a += adjust; - } - if(force16) - { - r = (r<>dshift); - if(has_alpha) a = (a<>dshift); - } - if(r > 65535) r = 65535; else if(r < 0) r = 0; - dat8[i+0] = r;/*LSB*/ - dat8[i+1] = r >> 8;/*MSB*/ - if(has_alpha) - { - if(a > 65535) a = 65535; else if(a < 0) a = 0; - dat8[i+2] = a; - dat8[i+3] = a >> 8; - } - index++; - }/*if(index < imgsize)*/ - else - break; - }/*for(i )*/ - } - (void)TIFFWriteEncodedStrip(tif, strip, (void*)buf, strip_size); - }/*for(strip*/ - - _TIFFfree(buf); - TIFFClose(tif); - - return 0; - } - - TIFFClose(tif); - - fprintf(stderr,"imagetotif: Bad color format.\n" - "\tOnly RGB(A) and GRAY(A) has been implemented\n"); - fprintf(stderr,"\tFOUND: numcomps(%d)\n\tAborting\n", - image->numcomps); - - return 1; -}/* imagetotif() */ - -/* - * libtiff/tif_getimage.c : 1,2,4,8,16 bitspersample accepted - * CINEMA : 12 bit precision -*/ -opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters) -{ - int subsampling_dx = parameters->subsampling_dx; - int subsampling_dy = parameters->subsampling_dy; - TIFF *tif; - tdata_t buf; - tstrip_t strip; - tsize_t strip_size; - int j, numcomps, w, h,index; - OPJ_COLOR_SPACE color_space; - opj_image_cmptparm_t cmptparm[4]; /* RGBA */ - opj_image_t *image = NULL; - int imgsize = 0; - int has_alpha = 0; - unsigned short tiBps, tiPhoto, tiSf, tiSpp, tiPC; - unsigned int tiWidth, tiHeight; - - tif = TIFFOpen(filename, "r"); - - if(!tif) - { - fprintf(stderr, "tiftoimage:Failed to open %s for reading\n", filename); - return 0; - } - tiBps = tiPhoto = tiSf = tiSpp = tiPC = 0; - tiWidth = tiHeight = 0; - - TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &tiWidth); - TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &tiHeight); - TIFFGetField(tif, TIFFTAG_BITSPERSAMPLE, &tiBps); - TIFFGetField(tif, TIFFTAG_SAMPLEFORMAT, &tiSf); - TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &tiSpp); - TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &tiPhoto); - TIFFGetField(tif, TIFFTAG_PLANARCONFIG, &tiPC); - w= tiWidth; - h= tiHeight; - - if(tiBps != 8 && tiBps != 16 && tiBps != 12) tiBps = 0; - if(tiPhoto != 1 && tiPhoto != 2) tiPhoto = 0; - - if( !tiBps || !tiPhoto) - { - if( !tiBps) - fprintf(stderr,"tiftoimage: Bits=%d, Only 8 and 16 bits" - " implemented\n",tiBps); - else - if( !tiPhoto) - fprintf(stderr,"tiftoimage: Bad color format %d.\n\tOnly RGB(A)" - " and GRAY(A) has been implemented\n",(int) tiPhoto); - - fprintf(stderr,"\tAborting\n"); - TIFFClose(tif); - - return NULL; - } - - {/* From: tiff-4.0.x/libtiff/tif_getimage.c : */ - uint16* sampleinfo; - uint16 extrasamples; - - TIFFGetFieldDefaulted(tif, TIFFTAG_EXTRASAMPLES, - &extrasamples, &sampleinfo); - - if(extrasamples >= 1) - { - switch(sampleinfo[0]) - { - case EXTRASAMPLE_UNSPECIFIED: - /* Workaround for some images without correct info about alpha channel -*/ - if(tiSpp > 3) - has_alpha = 1; - break; - - case EXTRASAMPLE_ASSOCALPHA: /* data pre-multiplied */ - case EXTRASAMPLE_UNASSALPHA: /* data not pre-multiplied */ - has_alpha = 1; - break; - } - } - else /* extrasamples == 0 */ - if(tiSpp == 4 || tiSpp == 2) has_alpha = 1; - } - - /* initialize image components -*/ - memset(&cmptparm[0], 0, 4 * sizeof(opj_image_cmptparm_t)); - - if ((tiPhoto == PHOTOMETRIC_RGB) && (parameters->cp_cinema)) { - fprintf(stdout,"WARNING:\n" - "Input image bitdepth is %d bits\n" - "TIF conversion has automatically rescaled to 12-bits\n" - "to comply with cinema profiles.\n", - tiBps); - } - - if(tiPhoto == PHOTOMETRIC_RGB) /* RGB(A) */ - { - numcomps = 3 + has_alpha; - color_space = OPJ_CLRSPC_SRGB; - - /*#define USETILEMODE*/ - for(j = 0; j < numcomps; j++) - { - if(parameters->cp_cinema) - { - cmptparm[j].prec = 12; - cmptparm[j].bpp = 12; - } - else - { - cmptparm[j].prec = tiBps; - cmptparm[j].bpp = tiBps; - } - cmptparm[j].dx = subsampling_dx; - cmptparm[j].dy = subsampling_dy; - cmptparm[j].w = w; - cmptparm[j].h = h; -#ifdef USETILEMODE - cmptparm[j].x0 = 0; - cmptparm[j].y0 = 0; -#endif - } - -#ifdef USETILEMODE - image = opj_image_tile_create(numcomps,&cmptparm[0],color_space); -#else - image = opj_image_create(numcomps, &cmptparm[0], color_space); -#endif - - if(!image) - { - TIFFClose(tif); - return NULL; - } - /* set image offset and reference grid -*/ - image->x0 = parameters->image_offset_x0; - image->y0 = parameters->image_offset_y0; - image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : - image->x0 + (w - 1) * subsampling_dx + 1; - image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : - image->y0 + (h - 1) * subsampling_dy + 1; - - buf = _TIFFmalloc(TIFFStripSize(tif)); - - strip_size=TIFFStripSize(tif); - index = 0; - imgsize = image->comps[0].w * image->comps[0].h ; - /* Read the Image components -*/ - for(strip = 0; strip < TIFFNumberOfStrips(tif); strip++) - { - unsigned char *dat8; - int step; - tsize_t i, ssize; - ssize = TIFFReadEncodedStrip(tif, strip, buf, strip_size); - dat8 = (unsigned char*)buf; - - if(tiBps == 16) - { - step = 6 + has_alpha + has_alpha; - - for(i = 0; i < ssize; i += step) - { - if(index < imgsize) - { - image->comps[0].data[index] = ( dat8[i+1] << 8 ) | dat8[i+0]; /* R */ - image->comps[1].data[index] = ( dat8[i+3] << 8 ) | dat8[i+2]; /* G */ - image->comps[2].data[index] = ( dat8[i+5] << 8 ) | dat8[i+4]; /* B */ - if(has_alpha) - image->comps[3].data[index] = ( dat8[i+7] << 8 ) | dat8[i+6]; - - if(parameters->cp_cinema) - { - /* Rounding 16 to 12 bits -*/ - image->comps[0].data[index] = - (image->comps[0].data[index] + 0x08) >> 4 ; - image->comps[1].data[index] = - (image->comps[1].data[index] + 0x08) >> 4 ; - image->comps[2].data[index] = - (image->comps[2].data[index] + 0x08) >> 4 ; - if(has_alpha) - image->comps[3].data[index] = - (image->comps[3].data[index] + 0x08) >> 4 ; - } - index++; - } - else - break; - }/*for(i = 0)*/ - }/*if(tiBps == 16)*/ - else - if(tiBps == 8) - { - step = 3 + has_alpha; - - for(i = 0; i < ssize; i += step) - { - if(index < imgsize) - { -#ifndef USETILEMODE - image->comps[0].data[index] = dat8[i+0];/* R */ - image->comps[1].data[index] = dat8[i+1];/* G */ - image->comps[2].data[index] = dat8[i+2];/* B */ - if(has_alpha) - image->comps[3].data[index] = dat8[i+3]; -#endif - - if(parameters->cp_cinema) - { - /* Rounding 8 to 12 bits -*/ -#ifndef USETILEMODE - image->comps[0].data[index] = image->comps[0].data[index] << 4 ; - image->comps[1].data[index] = image->comps[1].data[index] << 4 ; - image->comps[2].data[index] = image->comps[2].data[index] << 4 ; - if(has_alpha) - image->comps[3].data[index] = image->comps[3].data[index] << 4 ; -#endif - } - index++; - }/*if(index*/ - else - break; - }/*for(i )*/ - }/*if( tiBps == 8)*/ - else - if(tiBps == 12)/* CINEMA file */ - { - step = 9; - - for(i = 0; i < ssize; i += step) - { - if((index < imgsize)&(index+1 < imgsize)) - { - image->comps[0].data[index] = ( dat8[i+0]<<4 ) |(dat8[i+1]>>4); - image->comps[1].data[index] = ((dat8[i+1]& 0x0f)<< 8) | dat8[i+2]; - - image->comps[2].data[index] = ( dat8[i+3]<<4) |(dat8[i+4]>>4); - image->comps[0].data[index+1] = ((dat8[i+4]& 0x0f)<< 8) | dat8[i+5]; - - image->comps[1].data[index+1] = ( dat8[i+6] <<4) |(dat8[i+7]>>4); - image->comps[2].data[index+1] = ((dat8[i+7]& 0x0f)<< 8) | dat8[i+8]; - - index += 2; - } - else - break; - }/*for(i )*/ - } - }/*for(strip = 0; )*/ - - _TIFFfree(buf); - TIFFClose(tif); - - return image; - }/*RGB(A)*/ - - if(tiPhoto == PHOTOMETRIC_MINISBLACK) /* GRAY(A) */ - { - numcomps = 1 + has_alpha; - color_space = OPJ_CLRSPC_GRAY; - - for(j = 0; j < numcomps; ++j) - { - cmptparm[j].prec = tiBps; - cmptparm[j].bpp = tiBps; - cmptparm[j].dx = subsampling_dx; - cmptparm[j].dy = subsampling_dy; - cmptparm[j].w = w; - cmptparm[j].h = h; - } -#ifdef USETILEMODE - image = opj_image_tile_create(numcomps,&cmptparm[0],color_space); -#else - image = opj_image_create(numcomps, &cmptparm[0], color_space); -#endif - - if(!image) - { - TIFFClose(tif); - return NULL; - } - /* set image offset and reference grid -*/ - image->x0 = parameters->image_offset_x0; - image->y0 = parameters->image_offset_y0; - image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : - image->x0 + (w - 1) * subsampling_dx + 1; - image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : - image->y0 + (h - 1) * subsampling_dy + 1; - - buf = _TIFFmalloc(TIFFStripSize(tif)); - - strip_size = TIFFStripSize(tif); - index = 0; - imgsize = image->comps[0].w * image->comps[0].h ; - /* Read the Image components -*/ - for(strip = 0; strip < TIFFNumberOfStrips(tif); strip++) - { - unsigned char *dat8; - tsize_t i, ssize; - int step; - - ssize = TIFFReadEncodedStrip(tif, strip, buf, strip_size); - dat8 = (unsigned char*)buf; - - if(tiBps == 16) - { - step = 2 + has_alpha + has_alpha; - - for(i = 0; i < ssize; i += step) - { - if(index < imgsize) - { - image->comps[0].data[index] = ( dat8[i+1] << 8 ) | dat8[i+0]; - if(has_alpha) - image->comps[1].data[index] = ( dat8[i+3] << 8 ) | dat8[i+2]; - index++; - } - else - break; - }/*for(i )*/ - } - else - if(tiBps == 8) - { - step = 1 + has_alpha; - - for(i = 0; i < ssize; i += step) - { - if(index < imgsize) - { - image->comps[0].data[index] = dat8[i+0]; - if(has_alpha) - image->comps[1].data[index] = dat8[i+1]; - index++; - } - else - break; - }/*for(i )*/ - } - }/*for(strip = 0;*/ - - _TIFFfree(buf); - TIFFClose(tif); - - }/*GRAY(A)*/ - - return image; - -}/* tiftoimage() */ - -#endif /* OPJ_HAVE_LIBTIFF */ - -/* -->> -->> -->> -->> - - RAW IMAGE FORMAT - - <<-- <<-- <<-- <<-- */ -static opj_image_t* rawtoimage_common(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp, OPJ_BOOL big_endian) { - int subsampling_dx = parameters->subsampling_dx; - int subsampling_dy = parameters->subsampling_dy; - - FILE *f = NULL; - int i, compno, numcomps, w, h; - OPJ_COLOR_SPACE color_space; - opj_image_cmptparm_t *cmptparm; - opj_image_t * image = NULL; - unsigned short ch; - - if((! (raw_cp->rawWidth & raw_cp->rawHeight & raw_cp->rawComp & raw_cp->rawBitDepth)) == 0) - { - fprintf(stderr,"\nError: invalid raw image parameters\n"); - fprintf(stderr,"Please use the Format option -F:\n"); - fprintf(stderr,"-F rawWidth,rawHeight,rawComp,rawBitDepth,s/u (Signed/Unsigned)\n"); - fprintf(stderr,"Example: -i lena.raw -o lena.j2k -F 512,512,3,8,u\n"); - fprintf(stderr,"Aborting\n"); - return NULL; + fprintf(stderr,"\nError: invalid raw image parameters\n"); + fprintf(stderr,"Please use the Format option -F:\n"); + fprintf(stderr,"-F ,,,,{s,u}@x:...:x\n"); + fprintf(stderr,"If subsampling is omitted, 1x1 is assumed for all components\n"); + fprintf(stderr,"Example: -i image.raw -o image.j2k -F 512,512,3,8,u@1x1:2x2:2x2\n"); + fprintf(stderr," for raw 512x512 image with 4:2:0 subsampling\n"); + fprintf(stderr,"Aborting.\n"); + return NULL; } f = fopen(filename, "rb"); @@ -2939,40 +1609,54 @@ static opj_image_t* rawtoimage_common(const char *filename, opj_cparameters_t *p return NULL; } numcomps = raw_cp->rawComp; - color_space = OPJ_CLRSPC_SRGB; + + /* FIXME ADE at this point, tcp_mct has not been properly set in calling function */ + if (numcomps == 1) { + color_space = OPJ_CLRSPC_GRAY; + } else if ((numcomps >= 3) && (parameters->tcp_mct == 0)) { + color_space = OPJ_CLRSPC_SYCC; + } else if ((numcomps >= 3) && (parameters->tcp_mct != 2)) { + color_space = OPJ_CLRSPC_SRGB; + } else { + color_space = OPJ_CLRSPC_UNKNOWN; + } w = raw_cp->rawWidth; h = raw_cp->rawHeight; - cmptparm = (opj_image_cmptparm_t*) malloc(numcomps * sizeof(opj_image_cmptparm_t)); - + cmptparm = (opj_image_cmptparm_t*) calloc((OPJ_UINT32)numcomps,sizeof(opj_image_cmptparm_t)); + if (!cmptparm) { + fprintf(stderr, "Failed to allocate image components parameters !!\n"); + fprintf(stderr,"Aborting\n"); + return NULL; + } /* initialize image components */ - memset(&cmptparm[0], 0, numcomps * sizeof(opj_image_cmptparm_t)); for(i = 0; i < numcomps; i++) { - cmptparm[i].prec = raw_cp->rawBitDepth; - cmptparm[i].bpp = raw_cp->rawBitDepth; - cmptparm[i].sgnd = raw_cp->rawSigned; - cmptparm[i].dx = subsampling_dx; - cmptparm[i].dy = subsampling_dy; - cmptparm[i].w = w; - cmptparm[i].h = h; + cmptparm[i].prec = (OPJ_UINT32)raw_cp->rawBitDepth; + cmptparm[i].bpp = (OPJ_UINT32)raw_cp->rawBitDepth; + cmptparm[i].sgnd = (OPJ_UINT32)raw_cp->rawSigned; + cmptparm[i].dx = (OPJ_UINT32)(subsampling_dx * raw_cp->rawComps[i].dx); + cmptparm[i].dy = (OPJ_UINT32)(subsampling_dy * raw_cp->rawComps[i].dy); + cmptparm[i].w = (OPJ_UINT32)w; + cmptparm[i].h = (OPJ_UINT32)h; } /* create the image */ - image = opj_image_create(numcomps, &cmptparm[0], color_space); + image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space); free(cmptparm); if(!image) { fclose(f); return NULL; } /* set image offset and reference grid */ - image->x0 = parameters->image_offset_x0; - image->y0 = parameters->image_offset_y0; - image->x1 = parameters->image_offset_x0 + (w - 1) * subsampling_dx + 1; - image->y1 = parameters->image_offset_y0 + (h - 1) * subsampling_dy + 1; + image->x0 = (OPJ_UINT32)parameters->image_offset_x0; + image->y0 = (OPJ_UINT32)parameters->image_offset_y0; + image->x1 = (OPJ_UINT32)parameters->image_offset_x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1; + image->y1 = (OPJ_UINT32)parameters->image_offset_y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1; if(raw_cp->rawBitDepth <= 8) { unsigned char value = 0; for(compno = 0; compno < numcomps; compno++) { - for (i = 0; i < w * h; i++) { + int nloop = (w*h)/(raw_cp->rawComps[compno].dx*raw_cp->rawComps[compno].dy); + for (i = 0; i < nloop; i++) { if (!fread(&value, 1, 1, f)) { fprintf(stderr,"Error reading raw file. End of file probably reached.\n"); return NULL; @@ -2985,7 +1669,8 @@ static opj_image_t* rawtoimage_common(const char *filename, opj_cparameters_t *p { unsigned short value; for(compno = 0; compno < numcomps; compno++) { - for (i = 0; i < w * h; i++) { + int nloop = (w*h)/(raw_cp->rawComps[compno].dx*raw_cp->rawComps[compno].dx); + for (i = 0; i < nloop; i++) { unsigned char temp1; unsigned char temp2; if (!fread(&temp1, 1, 1, f)) { @@ -2998,13 +1683,11 @@ static opj_image_t* rawtoimage_common(const char *filename, opj_cparameters_t *p } if( big_endian ) { - value = temp1 << 8; - value += temp2; + value = (unsigned short)((temp1 << 8) + temp2); } else { - value = temp2 << 8; - value += temp1; + value = (unsigned short)((temp2 << 8) + temp1); } image->comps[compno].data[i] = raw_cp->rawSigned?(short)value:value; } @@ -3035,10 +1718,12 @@ static int imagetoraw_common(opj_image_t * image, const char *outfile, OPJ_BOOL { FILE *rawFile = NULL; size_t res; - int compno; - int w, h; - int line, row; + unsigned int compno; + int w, h, fails; + int line, row, curr, mask; int *ptr; + unsigned char uc; + (void)big_endian; if((image->numcomps * image->x1 * image->y1) == 0) { @@ -3052,6 +1737,7 @@ static int imagetoraw_common(opj_image_t * image, const char *outfile, OPJ_BOOL return 1; } + fails = 1; fprintf(stdout,"Raw image characteristics: %d components\n", image->numcomps); for(compno = 0; compno < image->numcomps; compno++) @@ -3059,23 +1745,24 @@ static int imagetoraw_common(opj_image_t * image, const char *outfile, OPJ_BOOL fprintf(stdout,"Component %d characteristics: %dx%dx%d %s\n", compno, image->comps[compno].w, image->comps[compno].h, image->comps[compno].prec, image->comps[compno].sgnd==1 ? "signed": "unsigned"); - w = image->comps[compno].w; - h = image->comps[compno].h; + w = (int)image->comps[compno].w; + h = (int)image->comps[compno].h; if(image->comps[compno].prec <= 8) { if(image->comps[compno].sgnd == 1) { - signed char curr; - int mask = (1 << image->comps[compno].prec) - 1; + mask = (1 << image->comps[compno].prec) - 1; ptr = image->comps[compno].data; for (line = 0; line < h; line++) { for(row = 0; row < w; row++) { - curr = (signed char) (*ptr & mask); - res = fwrite(&curr, sizeof(signed char), 1, rawFile); + curr = *ptr; + if(curr > 127) curr = 127; else if(curr < -128) curr = -128; + uc = (unsigned char) (curr & mask); + res = fwrite(&uc, 1, 1, rawFile); if( res < 1 ) { fprintf(stderr, "failed to write 1 byte for %s\n", outfile); - return 1; + goto fin; } ptr++; } @@ -3083,16 +1770,17 @@ static int imagetoraw_common(opj_image_t * image, const char *outfile, OPJ_BOOL } else if(image->comps[compno].sgnd == 0) { - unsigned char curr; - int mask = (1 << image->comps[compno].prec) - 1; + mask = (1 << image->comps[compno].prec) - 1; ptr = image->comps[compno].data; for (line = 0; line < h; line++) { for(row = 0; row < w; row++) { - curr = (unsigned char) (*ptr & mask); - res = fwrite(&curr, sizeof(unsigned char), 1, rawFile); + curr = *ptr; + if(curr > 255) curr = 255; else if(curr < 0) curr = 0; + uc = (unsigned char) (curr & mask); + res = fwrite(&uc, 1, 1, rawFile); if( res < 1 ) { fprintf(stderr, "failed to write 1 byte for %s\n", outfile); - return 1; + goto fin; } ptr++; } @@ -3103,33 +1791,18 @@ static int imagetoraw_common(opj_image_t * image, const char *outfile, OPJ_BOOL { if(image->comps[compno].sgnd == 1) { - signed short int curr; - int mask = (1 << image->comps[compno].prec) - 1; + union { signed short val; signed char vals[2]; } uc16; + mask = (1 << image->comps[compno].prec) - 1; ptr = image->comps[compno].data; for (line = 0; line < h; line++) { for(row = 0; row < w; row++) { - unsigned char temp1; - unsigned char temp2; - curr = (signed short int) (*ptr & mask); - if( big_endian ) - { - temp1 = (unsigned char) (curr >> 8); - temp2 = (unsigned char) curr; - } - else - { - temp2 = (unsigned char) (curr >> 8); - temp1 = (unsigned char) curr; - } - res = fwrite(&temp1, 1, 1, rawFile); - if( res < 1 ) { - fprintf(stderr, "failed to write 1 byte for %s\n", outfile); - return 1; - } - res = fwrite(&temp2, 1, 1, rawFile); - if( res < 1 ) { - fprintf(stderr, "failed to write 1 byte for %s\n", outfile); - return 1; + curr = *ptr; + if(curr > 32767 ) curr = 32767; else if( curr < -32768) curr = -32768; + uc16.val = (signed short)(curr & mask); + res = fwrite(uc16.vals, 1, 2, rawFile); + if( res < 2 ) { + fprintf(stderr, "failed to write 2 byte for %s\n", outfile); + goto fin; } ptr++; } @@ -3137,33 +1810,18 @@ static int imagetoraw_common(opj_image_t * image, const char *outfile, OPJ_BOOL } else if(image->comps[compno].sgnd == 0) { - unsigned short int curr; - int mask = (1 << image->comps[compno].prec) - 1; + union { unsigned short val; unsigned char vals[2]; } uc16; + mask = (1 << image->comps[compno].prec) - 1; ptr = image->comps[compno].data; for (line = 0; line < h; line++) { for(row = 0; row < w; row++) { - unsigned char temp1; - unsigned char temp2; - curr = (unsigned short int) (*ptr & mask); - if( big_endian ) - { - temp1 = (unsigned char) (curr >> 8); - temp2 = (unsigned char) curr; - } - else - { - temp2 = (unsigned char) (curr >> 8); - temp1 = (unsigned char) curr; - } - res = fwrite(&temp1, 1, 1, rawFile); - if( res < 1 ) { - fprintf(stderr, "failed to write 1 byte for %s\n", outfile); - return 1; - } - res = fwrite(&temp2, 1, 1, rawFile); - if( res < 1 ) { - fprintf(stderr, "failed to write 1 byte for %s\n", outfile); - return 1; + curr = *ptr; + if(curr > 65535 ) curr = 65535; else if( curr < 0) curr = 0; + uc16.val = (unsigned short)(curr & mask); + res = fwrite(uc16.vals, 1, 2, rawFile); + if( res < 2 ) { + fprintf(stderr, "failed to write 2 byte for %s\n", outfile); + goto fin; } ptr++; } @@ -3173,16 +1831,18 @@ static int imagetoraw_common(opj_image_t * image, const char *outfile, OPJ_BOOL else if (image->comps[compno].prec <= 32) { fprintf(stderr,"More than 16 bits per component no handled yet\n"); - return 1; + goto fin; } else { fprintf(stderr,"Error: invalid precision: %d\n", image->comps[compno].prec); - return 1; + goto fin; } } + fails = 0; +fin: fclose(rawFile); - return 0; + return fails; } int imagetoraw(opj_image_t * image, const char *outfile) @@ -3195,559 +1855,3 @@ int imagetorawl(opj_image_t * image, const char *outfile) return imagetoraw_common(image, outfile, OPJ_FALSE); } -#ifdef OPJ_HAVE_LIBPNG - -#define PNG_MAGIC "\x89PNG\x0d\x0a\x1a\x0a" -#define MAGIC_SIZE 8 -/* PNG allows bits per sample: 1, 2, 4, 8, 16 */ - -opj_image_t *pngtoimage(const char *read_idf, opj_cparameters_t * params) -{ - png_structp png; - png_infop info; - double gamma, display_exponent; - int bit_depth, interlace_type,compression_type, filter_type; - int unit; - png_uint_32 resx, resy; - unsigned int i, j; - png_uint_32 width, height; - int color_type, has_alpha, is16; - unsigned char *s; - FILE *reader; - unsigned char **rows; - /* j2k: */ - opj_image_t *image; - opj_image_cmptparm_t cmptparm[4]; - int sub_dx, sub_dy; - unsigned int nr_comp; - int *r, *g, *b, *a; - unsigned char sigbuf[8]; - - if((reader = fopen(read_idf, "rb")) == NULL) - { - fprintf(stderr,"pngtoimage: can not open %s\n",read_idf); - return NULL; - } - image = NULL; png = NULL; rows = NULL; - - if(fread(sigbuf, 1, MAGIC_SIZE, reader) != MAGIC_SIZE - || memcmp(sigbuf, PNG_MAGIC, MAGIC_SIZE) != 0) - { - fprintf(stderr,"pngtoimage: %s is no valid PNG file\n",read_idf); - goto fin; - } - /* libpng-VERSION/example.c: - * PC : screen_gamma = 2.2; - * Mac: screen_gamma = 1.7 or 1.0; -*/ - display_exponent = 2.2; - - if((png = png_create_read_struct(PNG_LIBPNG_VER_STRING, - NULL, NULL, NULL)) == NULL) - goto fin; - if((info = png_create_info_struct(png)) == NULL) - goto fin; - - if(setjmp(png_jmpbuf(png))) - goto fin; - - png_init_io(png, reader); - png_set_sig_bytes(png, MAGIC_SIZE); - - png_read_info(png, info); - - if(png_get_IHDR(png, info, &width, &height, - &bit_depth, &color_type, &interlace_type, - &compression_type, &filter_type) == 0) - goto fin; - - /* png_set_expand(): - * expand paletted images to RGB, expand grayscale images of - * less than 8-bit depth to 8-bit depth, and expand tRNS chunks - * to alpha channels. -*/ - if(color_type == PNG_COLOR_TYPE_PALETTE) - png_set_expand(png); - else - if(color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8) - png_set_expand(png); - - if(png_get_valid(png, info, PNG_INFO_tRNS)) - png_set_expand(png); - - is16 = (bit_depth == 16); - - /* GRAY => RGB; GRAY_ALPHA => RGBA -*/ - if(color_type == PNG_COLOR_TYPE_GRAY - || color_type == PNG_COLOR_TYPE_GRAY_ALPHA) - { - png_set_gray_to_rgb(png); - color_type = - (color_type == PNG_COLOR_TYPE_GRAY? PNG_COLOR_TYPE_RGB: - PNG_COLOR_TYPE_RGB_ALPHA); - } - if( !png_get_gAMA(png, info, &gamma)) - gamma = 0.45455; - - png_set_gamma(png, display_exponent, gamma); - - png_read_update_info(png, info); - - png_get_pHYs(png, info, &resx, &resy, &unit); - - color_type = png_get_color_type(png, info); - - has_alpha = (color_type == PNG_COLOR_TYPE_RGB_ALPHA); - - nr_comp = 3 + has_alpha; - - bit_depth = png_get_bit_depth(png, info); - - rows = (unsigned char**)calloc(height+1, sizeof(unsigned char*)); - for(i = 0; i < height; ++i) - rows[i] = (unsigned char*)malloc(png_get_rowbytes(png,info)); - - png_read_image(png, rows); - - memset(&cmptparm, 0, 4 * sizeof(opj_image_cmptparm_t)); - - sub_dx = params->subsampling_dx; sub_dy = params->subsampling_dy; - - for(i = 0; i < nr_comp; ++i) - { - cmptparm[i].prec = bit_depth; - /* bits_per_pixel: 8 or 16 */ - cmptparm[i].bpp = bit_depth; - cmptparm[i].sgnd = 0; - cmptparm[i].dx = sub_dx; - cmptparm[i].dy = sub_dy; - cmptparm[i].w = width; - cmptparm[i].h = height; - } - - image = opj_image_create(nr_comp, &cmptparm[0], OPJ_CLRSPC_SRGB); - - if(image == NULL) goto fin; - - image->x0 = params->image_offset_x0; - image->y0 = params->image_offset_y0; - image->x1 = image->x0 + (width - 1) * sub_dx + 1 + image->x0; - image->y1 = image->y0 + (height - 1) * sub_dy + 1 + image->y0; - - r = image->comps[0].data; - g = image->comps[1].data; - b = image->comps[2].data; - a = image->comps[3].data; - - for(i = 0; i < height; ++i) - { - s = rows[i]; - - for(j = 0; j < width; ++j) - { - if(is16) - { - *r++ = s[0]<<8|s[1]; s += 2; - - *g++ = s[0]<<8|s[1]; s += 2; - - *b++ = s[0]<<8|s[1]; s += 2; - - if(has_alpha) { *a++ = s[0]<<8|s[1]; s += 2; } - - continue; - } - *r++ = *s++; *g++ = *s++; *b++ = *s++; - - if(has_alpha) *a++ = *s++; - } - } -fin: - if(rows) - { - for(i = 0; i < height; ++i) - free(rows[i]); - free(rows); - } - if(png) - png_destroy_read_struct(&png, &info, NULL); - - fclose(reader); - - return image; - -}/* pngtoimage() */ - -int imagetopng(opj_image_t * image, const char *write_idf) -{ - FILE *writer; - png_structp png; - png_infop info; - int *red, *green, *blue, *alpha; - unsigned char *row_buf, *d; - int has_alpha, width, height, nr_comp, color_type; - int adjustR, adjustG, adjustB, adjustA, x, y, fails; - int prec, ushift, dshift, is16, force16, force8; - unsigned short mask = 0xffff; - png_color_8 sig_bit; - - is16 = force16 = force8 = ushift = dshift = 0; fails = 1; - prec = image->comps[0].prec; - nr_comp = image->numcomps; - - if(prec > 8 && prec < 16) - { - ushift = 16 - prec; dshift = prec - ushift; - prec = 16; force16 = 1; - } - else - if(prec < 8 && nr_comp > 1)/* GRAY_ALPHA, RGB, RGB_ALPHA */ - { - ushift = 8 - prec; dshift = 8 - ushift; - prec = 8; force8 = 1; - } - - if(prec != 1 && prec != 2 && prec != 4 && prec != 8 && prec != 16) - { - fprintf(stderr,"imagetopng: can not create %s" - "\n\twrong bit_depth %d\n", write_idf, prec); - return fails; - } - writer = fopen(write_idf, "wb"); - - if(writer == NULL) return fails; - - info = NULL; has_alpha = 0; - - /* Create and initialize the png_struct with the desired error handler - * functions. If you want to use the default stderr and longjump method, - * you can supply NULL for the last three parameters. We also check that - * the library version is compatible with the one used at compile time, - * in case we are using dynamically linked libraries. REQUIRED. -*/ - png = png_create_write_struct(PNG_LIBPNG_VER_STRING, - NULL, NULL, NULL); - /*png_voidp user_error_ptr, user_error_fn, user_warning_fn); */ - - if(png == NULL) goto fin; - - /* Allocate/initialize the image information data. REQUIRED -*/ - info = png_create_info_struct(png); - - if(info == NULL) goto fin; - - /* Set error handling. REQUIRED if you are not supplying your own - * error handling functions in the png_create_write_struct() call. -*/ - if(setjmp(png_jmpbuf(png))) goto fin; - - /* I/O initialization functions is REQUIRED -*/ - png_init_io(png, writer); - - /* Set the image information here. Width and height are up to 2^31, - * bit_depth is one of 1, 2, 4, 8, or 16, but valid values also depend on - * the color_type selected. color_type is one of PNG_COLOR_TYPE_GRAY, - * PNG_COLOR_TYPE_GRAY_ALPHA, PNG_COLOR_TYPE_PALETTE, PNG_COLOR_TYPE_RGB, - * or PNG_COLOR_TYPE_RGB_ALPHA. interlace is either PNG_INTERLACE_NONE or - * PNG_INTERLACE_ADAM7, and the compression_type and filter_type MUST - * currently be PNG_COMPRESSION_TYPE_BASE and PNG_FILTER_TYPE_BASE. - * REQUIRED - * - * ERRORS: - * - * color_type == PNG_COLOR_TYPE_PALETTE && bit_depth > 8 - * color_type == PNG_COLOR_TYPE_RGB && bit_depth < 8 - * color_type == PNG_COLOR_TYPE_GRAY_ALPHA && bit_depth < 8 - * color_type == PNG_COLOR_TYPE_RGB_ALPHA) && bit_depth < 8 - * -*/ - png_set_compression_level(png, Z_BEST_COMPRESSION); - - if(prec == 16) mask = 0xffff; - else - if(prec == 8) mask = 0x00ff; - else - if(prec == 4) mask = 0x000f; - else - if(prec == 2) mask = 0x0003; - else - if(prec == 1) mask = 0x0001; - - if(nr_comp >= 3 - && image->comps[0].dx == image->comps[1].dx - && image->comps[1].dx == image->comps[2].dx - && image->comps[0].dy == image->comps[1].dy - && image->comps[1].dy == image->comps[2].dy - && image->comps[0].prec == image->comps[1].prec - && image->comps[1].prec == image->comps[2].prec) - { - int v; - - has_alpha = (nr_comp > 3); - - is16 = (prec == 16); - - width = image->comps[0].w; - height = image->comps[0].h; - - red = image->comps[0].data; - green = image->comps[1].data; - blue = image->comps[2].data; - - sig_bit.red = sig_bit.green = sig_bit.blue = prec; - - if(has_alpha) - { - sig_bit.alpha = prec; - alpha = image->comps[3].data; - color_type = PNG_COLOR_TYPE_RGB_ALPHA; - adjustA = (image->comps[3].sgnd ? 1 << (image->comps[3].prec - 1) : 0); - } - else - { - sig_bit.alpha = 0; alpha = NULL; - color_type = PNG_COLOR_TYPE_RGB; - adjustA = 0; - } - png_set_sBIT(png, info, &sig_bit); - - png_set_IHDR(png, info, width, height, prec, - color_type, - PNG_INTERLACE_NONE, - PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE); - - png_set_gamma(png, 2.2, 1./2.2); - png_set_sRGB(png, info, PNG_sRGB_INTENT_PERCEPTUAL); - /*=============================*/ - png_write_info(png, info); - /*=============================*/ - if(prec < 8) - { - png_set_packing(png); - } -printf("%s:%d:sgnd(%d,%d,%d) w(%d) h(%d) alpha(%d)\n",__FILE__,__LINE__, -image->comps[0].sgnd, -image->comps[1].sgnd,image->comps[2].sgnd,width,height,has_alpha); - - adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0); - adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0); - adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0); - - row_buf = (unsigned char*)malloc(width * nr_comp * 2); - - for(y = 0; y < height; ++y) - { - d = row_buf; - - for(x = 0; x < width; ++x) - { - if(is16) - { - v = *red + adjustR; ++red; - if(v > 65535) v = 65535; else if(v < 0) v = 0; - - if(force16) { v = (v<>dshift); } - - *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v; - - v = *green + adjustG; ++green; - if(v > 65535) v = 65535; else if(v < 0) v = 0; - - if(force16) { v = (v<>dshift); } - - *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v; - - v = *blue + adjustB; ++blue; - if(v > 65535) v = 65535; else if(v < 0) v = 0; - - if(force16) { v = (v<>dshift); } - - *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v; - - if(has_alpha) - { - v = *alpha + adjustA; ++alpha; - if(v > 65535) v = 65535; else if(v < 0) v = 0; - - if(force16) { v = (v<>dshift); } - - *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v; - } - continue; - }/* if(is16) */ - - v = *red + adjustR; ++red; - if(v > 255) v = 255; else if(v < 0) v = 0; - - if(force8) { v = (v<>dshift); } - - *d++ = (unsigned char)(v & mask); - - v = *green + adjustG; ++green; - if(v > 255) v = 255; else if(v < 0) v = 0; - - if(force8) { v = (v<>dshift); } - - *d++ = (unsigned char)(v & mask); - - v = *blue + adjustB; ++blue; - if(v > 255) v = 255; else if(v < 0) v = 0; - - if(force8) { v = (v<>dshift); } - - *d++ = (unsigned char)(v & mask); - - if(has_alpha) - { - v = *alpha + adjustA; ++alpha; - if(v > 255) v = 255; else if(v < 0) v = 0; - - if(force8) { v = (v<>dshift); } - - *d++ = (unsigned char)(v & mask); - } - } /* for(x) */ - - png_write_row(png, row_buf); - - } /* for(y) */ - free(row_buf); - - }/* nr_comp >= 3 */ - else - if(nr_comp == 1 /* GRAY */ - || ( nr_comp == 2 /* GRAY_ALPHA */ - && image->comps[0].dx == image->comps[1].dx - && image->comps[0].dy == image->comps[1].dy - && image->comps[0].prec == image->comps[1].prec)) - { - int v; - - red = image->comps[0].data; - - sig_bit.gray = prec; - sig_bit.red = sig_bit.green = sig_bit.blue = sig_bit.alpha = 0; - alpha = NULL; adjustA = 0; - color_type = PNG_COLOR_TYPE_GRAY; - - if(nr_comp == 2) - { - has_alpha = 1; sig_bit.alpha = prec; - alpha = image->comps[1].data; - color_type = PNG_COLOR_TYPE_GRAY_ALPHA; - adjustA = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0); - } - width = image->comps[0].w; - height = image->comps[0].h; - - png_set_IHDR(png, info, width, height, sig_bit.gray, - color_type, - PNG_INTERLACE_NONE, - PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE); - - png_set_sBIT(png, info, &sig_bit); - - png_set_gamma(png, 2.2, 1./2.2); - png_set_sRGB(png, info, PNG_sRGB_INTENT_PERCEPTUAL); - /*=============================*/ - png_write_info(png, info); - /*=============================*/ - adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0); - - if(prec < 8) - { - png_set_packing(png); - } - - if(prec > 8) - { - row_buf = (unsigned char*) - malloc(width * nr_comp * sizeof(unsigned short)); - - for(y = 0; y < height; ++y) - { - d = row_buf; - - for(x = 0; x < width; ++x) - { - v = *red + adjustR; ++red; - if(v > 65535) v = 65535; else if(v < 0) v = 0; - - if(force16) { v = (v<>dshift); } - - *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v; - - if(has_alpha) - { - v = *alpha++; - if(v > 65535) v = 65535; else if(v < 0) v = 0; - - if(force16) { v = (v<>dshift); } - - *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v; - } - }/* for(x) */ - png_write_row(png, row_buf); - - } /* for(y) */ - free(row_buf); - } - else /* prec <= 8 */ - { - row_buf = (unsigned char*)calloc(width, nr_comp * 2); - - for(y = 0; y < height; ++y) - { - d = row_buf; - - for(x = 0; x < width; ++x) - { - v = *red + adjustR; ++red; - if(v > 255) v = 255; else if(v < 0) v = 0; - - if(force8) { v = (v<>dshift); } - - *d++ = (unsigned char)(v & mask); - - if(has_alpha) - { - v = *alpha + adjustA; ++alpha; - if(v > 255) v = 255; else if(v < 0) v = 0; - - if(force8) { v = (v<>dshift); } - - *d++ = (unsigned char)(v & mask); - } - }/* for(x) */ - - png_write_row(png, row_buf); - - } /* for(y) */ - free(row_buf); - } - } - else - { - fprintf(stderr,"imagetopng: can not create %s\n",write_idf); - goto fin; - } - png_write_end(png, info); - - fails = 0; - -fin: - - if(png) - { - png_destroy_write_struct(&png, &info); - } - fclose(writer); - - if(fails) remove(write_idf); - - return fails; -}/* imagetopng() */ -#endif /* OPJ_HAVE_LIBPNG */