diff options
Diffstat (limited to 'codec/convert.c')
| -rw-r--r-- | codec/convert.c | 899 |
1 files changed, 0 insertions, 899 deletions
diff --git a/codec/convert.c b/codec/convert.c deleted file mode 100644 index 130e0e73..00000000 --- a/codec/convert.c +++ /dev/null @@ -1,899 +0,0 @@ -/* - * Copyright (c) 2001-2003, David Janssens - * Copyright (c) 2002-2003, Yannick Verschueren - * Copyright (c) 2002-2003, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include <openjpeg.h> -#include <stdio.h> -#include <stdlib.h> -#include <math.h> -#include <unistd.h> -#include <string.h> - -/* -->> -->> -->> -->> - - BMP IMAGE FORMAT - - <<-- <<-- <<-- <<-- */ - -/* UINT2 defines a two byte word */ -typedef unsigned short int UINT2; - -/* UINT4 defines a four byte word */ -typedef unsigned long int UINT4; - -typedef struct { - UINT2 bfType; /* 'BM' for Bitmap (19776) */ - UINT4 bfSize; /* Size of the file */ - UINT2 bfReserved1; /* Reserved : 0 */ - UINT2 bfReserved2; /* Reserved : 0 */ - UINT4 bfOffBits; /* Offset */ -} BITMAPFILEHEADER_t; - -typedef struct { - UINT4 biSize; /* Size of the structure in bytes */ - UINT4 biWidth; /* Width of the image in pixels */ - UINT4 biHeight; /* Heigth of the image in pixels */ - UINT2 biPlanes; /* 1 */ - UINT2 biBitCount; /* Number of color bits by pixels */ - UINT4 biCompression; /* Type of encoding 0: none 1: RLE8 2: RLE4 */ - UINT4 biSizeImage; /* Size of the image in bytes */ - UINT4 biXpelsPerMeter; /* Horizontal (X) resolution in pixels/meter */ - UINT4 biYpelsPerMeter; /* Vertical (Y) resolution in pixels/meter */ - UINT4 biClrUsed; /* Number of color used in the image (0: ALL) */ - UINT4 biClrImportant; /* Number of important color (0: ALL) */ -} BITMAPINFOHEADER_t; - -int bmptoimage(char *filename, j2k_image_t * img, int subsampling_dx, - int subsampling_dy, int Dim[2]) -{ - - FILE *IN; - FILE *Compo0 = NULL, *Compo1 = NULL, *Compo2 = NULL; - BITMAPFILEHEADER_t File_h; - BITMAPINFOHEADER_t Info_h; - unsigned char *RGB; - unsigned char *table_R, *table_G, *table_B; - int i, w, h; - int gray_scale = 1, not_end_file = 1, line = 0, col = 0; - unsigned char v, v2; - UINT4 W, H; - - IN = fopen(filename, "rb"); - if (!IN) { - fprintf(stderr, - "\033[0;33mFailed to open %s for reading !!\033[0;39m\n", - filename); - return 0; - } - - File_h.bfType = getc(IN); - File_h.bfType = (getc(IN) << 8) + File_h.bfType; - - if (File_h.bfType != 19778) { - printf("Error, not a BMP file!\n"); - return 0; - } else { - /* 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; - - 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) { - img->x0 = Dim[0]; - img->y0 = Dim[1]; - img->x1 = - !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w - - 1) * - subsampling_dx + 1; - img->y1 = - !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h - - 1) * - subsampling_dy + 1; - img->numcomps = 3; - img->comps = - (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t)); - for (i = 0; i < img->numcomps; i++) { - img->comps[i].prec = 8; - img->comps[i].bpp = 8; - img->comps[i].sgnd = 0; - img->comps[i].dx = subsampling_dx; - img->comps[i].dy = subsampling_dy; - } - Compo0 = fopen("Compo0", "wb"); - if (!Compo0) { - fprintf(stderr, - "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n"); - } - Compo1 = fopen("Compo1", "wb"); - if (!Compo1) { - fprintf(stderr, - "\033[0;33mFailed to open Compo1 for writing !\033[0;39m\n"); - } - Compo2 = fopen("Compo2", "wb"); - if (!Compo2) { - fprintf(stderr, - "\033[0;33mFailed to open Compo2 for writing !\033[0;39m\n"); - } - - /* 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++; - - RGB = (unsigned char *) malloc(3 * W * H * sizeof(unsigned char)); - - fread(RGB, sizeof(unsigned char), 3 * W * H, IN); - for (i = 0; i < W * H; i++) { - unsigned char R, G, B; - - B = - RGB[3 * W * H - ((i * 3) / (3 * W) + 1) * 3 * W + - (i * 3) % (W * 3)]; - G = - RGB[3 * W * H - ((i * 3 + 1) / (3 * W) + 1) * 3 * W + - (i * 3 + 1) % (W * 3)]; - R = - RGB[3 * W * H - ((i * 3 + 2) / (3 * W) + 1) * 3 * W + - (i * 3 + 2) % (W * 3)]; - if ((i % W < W - 1 && Info_h.biWidth % 2) || !(Info_h.biWidth % 2)) { - fprintf(Compo0, "%c", R); - fprintf(Compo1, "%c", G); - fprintf(Compo2, "%c", B); - } - } - fclose(Compo0); - fclose(Compo1); - fclose(Compo2); - free(RGB); - } else if (Info_h.biBitCount == 8 && Info_h.biCompression == 0) { - img->x0 = Dim[0]; - img->y0 = Dim[1]; - img->x1 = - !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w - - 1) * - subsampling_dx + 1; - img->y1 = - !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h - - 1) * - subsampling_dy + 1; - - 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)); - - for (i = 0; i < Info_h.biClrUsed; i++) { - table_B[i] = getc(IN); - table_G[i] = getc(IN); - table_R[i] = getc(IN); - getc(IN); - if (table_R[i] != table_G[i] && table_R[i] != table_B[i] - && table_G[i] != table_B[i]) - 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++; - - RGB = (unsigned char *) malloc(W * H * sizeof(unsigned char)); - - fread(RGB, sizeof(unsigned char), W * H, IN); - if (gray_scale) { - img->numcomps = 1; - img->comps = - (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t)); - img->comps[0].prec = 8; - img->comps[0].bpp = 8; - img->comps[0].sgnd = 0; - img->comps[0].dx = subsampling_dx; - img->comps[0].dy = subsampling_dy; - Compo0 = fopen("Compo0", "wb"); - if (!Compo0) { - fprintf(stderr, - "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n"); - } - for (i = 0; i < W * H; i++) { - if ((i % W < W - 1 && Info_h.biWidth % 2) - || !(Info_h.biWidth % 2)) - fprintf(Compo0, "%c", - table_R[RGB[W * H - ((i) / (W) + 1) * W + (i) % (W)]]); - } - fclose(Compo0); - } else { - img->numcomps = 3; - img->comps = - (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t)); - for (i = 0; i < img->numcomps; i++) { - img->comps[i].prec = 8; - img->comps[i].bpp = 8; - img->comps[i].sgnd = 0; - img->comps[i].dx = subsampling_dx; - img->comps[i].dy = subsampling_dy; - } - - Compo0 = fopen("Compo0", "wb"); - if (!Compo0) { - fprintf(stderr, - "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n"); - } - Compo1 = fopen("Compo1", "wb"); - if (!Compo1) { - fprintf(stderr, - "\033[0;33mFailed to open Compo1 for writing !\033[0;39m\n"); - } - Compo2 = fopen("Compo2", "wb"); - if (!Compo2) { - fprintf(stderr, - "\033[0;33mFailed to open Compo2 for writing !\033[0;39m\n"); - } - - for (i = 0; i < W * H; i++) { - if ((i % W < W - 1 && Info_h.biWidth % 2) - || !(Info_h.biWidth % 2)) { - fprintf(Compo0, "%c", - table_R[RGB[W * H - ((i) / (W) + 1) * W + (i) % (W)]]); - fprintf(Compo1, "%c", - table_G[RGB[W * H - ((i) / (W) + 1) * W + (i) % (W)]]); - fprintf(Compo2, "%c", - table_B[RGB[W * H - ((i) / (W) + 1) * W + (i) % (W)]]); - } - - } - fclose(Compo0); - fclose(Compo1); - fclose(Compo2); - } - free(RGB); - - } else if (Info_h.biBitCount == 8 && Info_h.biCompression == 1) { - img->x0 = Dim[0]; - img->y0 = Dim[1]; - img->x1 = - !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w - - 1) * - subsampling_dx + 1; - img->y1 = - !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h - - 1) * - subsampling_dy + 1; - - - - 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)); - - for (i = 0; i < Info_h.biClrUsed; i++) { - table_B[i] = getc(IN); - table_G[i] = getc(IN); - table_R[i] = getc(IN); - getc(IN); - if (table_R[i] != table_G[i] && table_R[i] != table_B[i] - && table_G[i] != table_B[i]) - 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); - - if (gray_scale) { - img->numcomps = 1; - img->comps = (j2k_comp_t *) malloc(sizeof(j2k_comp_t)); - img->comps[0].prec = 8; - img->comps[0].bpp = 8; - img->comps[0].sgnd = 0; - img->comps[0].dx = subsampling_dx; - img->comps[0].dy = subsampling_dy; - Compo0 = fopen("Compo0", "wb"); - if (!Compo0) { - fprintf(stderr, - "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n"); - } - } else { - img->numcomps = 3; - img->comps = - (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t)); - for (i = 0; i < img->numcomps; i++) { - img->comps[i].prec = 8; - img->comps[i].bpp = 8; - img->comps[i].sgnd = 0; - img->comps[i].dx = subsampling_dx; - img->comps[i].dy = subsampling_dy; - } - Compo0 = fopen("Compo0", "wb"); - if (!Compo0) { - fprintf(stderr, - "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n"); - } - Compo1 = fopen("Compo1", "wb"); - if (!Compo1) { - fprintf(stderr, - "\033[0;33mFailed to open Compo1 for writing !\033[0;39m\n"); - } - Compo2 = fopen("Compo2", "wb"); - if (!Compo2) { - fprintf(stderr, - "\033[0;33mFailed to open Compo2 for writing !\033[0;39m\n"); - } - } - - RGB = - (unsigned char *) malloc(Info_h.biWidth * Info_h.biHeight * - sizeof(unsigned char)); - - while (not_end_file) { - v = getc(IN); - if (v) { - v2 = getc(IN); - for (i = 0; i < (int) v; i++) { - RGB[line * Info_h.biWidth + col] = v2; - col++; - } - } else { - v = getc(IN); - switch (v) { - case 0: - col = 0; - line++; - break; - case 1: - line++; - not_end_file = 0; - break; - case 2: - printf("No Delta supported\n"); - return 1; - break; - default: - for (i = 0; i < v; i++) { - v2 = getc(IN); - RGB[line * Info_h.biWidth + col] = v2; - col++; - } - if (v % 2) - v2 = getc(IN); - } - } - } - if (gray_scale) { - for (line = 0; line < Info_h.biHeight; line++) - for (col = 0; col < Info_h.biWidth; col++) - fprintf(Compo0, "%c", - table_R[(int) - RGB[(Info_h.biHeight - line - - 1) * Info_h.biWidth + col]]); - fclose(Compo0); - } else { - for (line = 0; line < Info_h.biHeight; line++) - for (col = 0; col < Info_h.biWidth; col++) { - fprintf(Compo0, "%c", - table_R[(int) - RGB[(Info_h.biHeight - line - - 1) * Info_h.biWidth + col]]); - fprintf(Compo1, "%c", - table_G[(int) - RGB[(Info_h.biHeight - line - - 1) * Info_h.biWidth + col]]); - fprintf(Compo2, "%c", - table_B[(int) - RGB[(Info_h.biHeight - line - - 1) * Info_h.biWidth + col]]); - } - fclose(Compo0); - fclose(Compo1); - fclose(Compo2); - } - free(RGB); - } else - printf - ("Other system than 24 bits/pixels or 8 bits (no RLE coding) is not yet implemented [%d]\n", - Info_h.biBitCount); - - fclose(IN); - return 1; - } -} - - /* -->> -->> -->> -->> - - PGX IMAGE FORMAT - - <<-- <<-- <<-- <<-- */ - - -unsigned char readuchar(FILE * f) -{ - unsigned char c1; - fread(&c1, 1, 1, f); - return c1; -} - -unsigned short readushort(FILE * f, int bigendian) -{ - unsigned char c1, c2; - fread(&c1, 1, 1, f); - fread(&c2, 1, 1, f); - if (bigendian) - return (c1 << 8) + c2; - else - return (c2 << 8) + c1; -} - -unsigned int readuint(FILE * f, int bigendian) -{ - unsigned char c1, c2, c3, c4; - fread(&c1, 1, 1, f); - fread(&c2, 1, 1, f); - fread(&c3, 1, 1, f); - fread(&c4, 1, 1, f); - if (bigendian) - return (c1 << 24) + (c2 << 16) + (c3 << 8) + c4; - else - return (c4 << 24) + (c3 << 16) + (c2 << 8) + c1; -} - -int pgxtoimage(char *filename, j2k_image_t * img, int tdy, - int subsampling_dx, int subsampling_dy, int Dim[2], - j2k_cp_t cp) -{ - FILE *f; - int w, h, prec; - int i, compno, bandno; - char str[256], endian[16]; - char sign; - int bigendian; - j2k_comp_t *comp; - - img->numcomps = 1; - img->comps = (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t)); - for (compno = 0; compno < img->numcomps; compno++) { - FILE *src; - char tmp[16]; - int max = 0; - int Y1; - comp = &img->comps[compno]; - sprintf(str, "%s", filename); - f = fopen(str, "rb"); - if (!f) { - fprintf(stderr, "Failed to open %s for reading !\n", str); - return 0; - } - if (fscanf(f, "PG %s %c %d %d %d", endian, &sign, &prec, &w, &h) == 5) - { - fgetc(f); - if (!strcmp(endian, "ML")) - bigendian = 1; - else - bigendian = 0; - if (compno == 0) { - img->x0 = Dim[0]; - img->y0 = Dim[1]; - img->x1 = - !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w - - 1) * - subsampling_dx + 1; - img->y1 = - !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h - - 1) * - subsampling_dy + 1; - } else { - if (w != img->x1 || h != img->y1) - return 0; - } - - if (sign == '-') { - comp->sgnd = 1; - } else { - comp->sgnd = 0; - } - comp->prec = prec; - comp->dx = subsampling_dx; - comp->dy = subsampling_dy; - bandno = 1; - - Y1 = - cp.ty0 + bandno * cp.tdy < - img->y1 ? cp.ty0 + bandno * cp.tdy : img->y1; - Y1 -= img->y0; - - sprintf(tmp, "bandtile%d", bandno); /* bandtile file */ - src = fopen(tmp, "wb"); - if (!src) { - fprintf(stderr, "failed to open %s for writing !\n", tmp); - } - for (i = 0; i < w * h; i++) { - int v; - if (i == Y1 * w / subsampling_dy && tdy != -1) { /* bandtile is full */ - fclose(src); - bandno++; - sprintf(tmp, "bandtile%d", bandno); - src = fopen(tmp, "wb"); - if (!src) { - fprintf(stderr, "failed to open %s for writing !\n", tmp); - } - Y1 = - cp.ty0 + bandno * cp.tdy < - img->y1 ? cp.ty0 + bandno * cp.tdy : img->y1; - Y1 -= img->y0; - } - if (comp->prec <= 8) { - if (!comp->sgnd) { - v = readuchar(f); - } else { - v = (char) readuchar(f); - } - } else if (comp->prec <= 16) { - if (!comp->sgnd) { - v = readushort(f, bigendian); - } else { - v = (short) readushort(f, bigendian); - } - } else { - if (!comp->sgnd) { - v = readuint(f, bigendian); - } else { - v = (int) readuint(f, bigendian); - } - } - if (v > max) - max = v; - fprintf(src, "%d ", v); - } - } else { - return 0; - } - fclose(f); - fclose(src); - comp->bpp = int_floorlog2(max) + 1; - } - return 1; -} - -/* -->> -->> -->> -->> - - PNM IMAGE FORMAT - - <<-- <<-- <<-- <<-- */ - -int pnmtoimage(char *filename, j2k_image_t * img, int subsampling_dx, - int subsampling_dy, int Dim[2]) -{ - FILE *f; - FILE *Compo0, *Compo1, *Compo2; - int w, h; - int i; - char value; - char comment[256]; - - f = fopen(filename, "rb"); - if (!f) { - fprintf(stderr, - "\033[0;33mFailed to open %s for reading !!\033[0;39m\n", - filename); - return 0; - } - - if (fgetc(f) != 'P') - return 0; - value = fgetc(f); - - if (value == '2') { - fgetc(f); - if (fgetc(f) == '#') { - fseek(f, 0, SEEK_SET); - fscanf(f, "P2\n"); - fgets(comment, 256, f); - fscanf(f, "%d %d\n255", &w, &h); - } else { - fseek(f, 0, SEEK_SET); - fscanf(f, "P2\n%d %d\n255", &w, &h); - } - - fgetc(f); - img->x0 = Dim[0]; - img->y0 = Dim[1]; - img->x1 = - !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w - - 1) * - subsampling_dx + 1; - img->y1 = - !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h - - 1) * - subsampling_dy + 1; - - img->numcomps = 1; - img->comps = (j2k_comp_t *) malloc(sizeof(j2k_comp_t)); - img->comps[0].prec = 8; - img->comps[0].bpp = 8; - img->comps[0].sgnd = 0; - img->comps[0].dx = subsampling_dx; - img->comps[0].dy = subsampling_dy; - - Compo0 = fopen("Compo0", "wb"); - if (!Compo0) { - fprintf(stderr, - "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n"); - } - for (i = 0; i < w * h; i++) { - unsigned int l; - fscanf(f, "%d", &l); - fprintf(Compo0, "%c", l); - } - fclose(Compo0); - } else if (value == '5') { - fgetc(f); - if (fgetc(f) == '#') { - fseek(f, 0, SEEK_SET); - fscanf(f, "P5\n"); - fgets(comment, 256, f); - fscanf(f, "%d %d\n255", &w, &h); - } else { - fseek(f, 0, SEEK_SET); - fscanf(f, "P5\n%d %d\n255", &w, &h); - } - - fgetc(f); - img->x0 = Dim[0]; - img->y0 = Dim[1]; - img->x1 = - !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w - - 1) * - subsampling_dx + 1; - img->y1 = - !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h - - 1) * - subsampling_dy + 1; - - img->numcomps = 1; - img->comps = (j2k_comp_t *) malloc(sizeof(j2k_comp_t)); - img->comps[0].prec = 8; - img->comps[0].bpp = 8; - img->comps[0].sgnd = 0; - img->comps[0].dx = subsampling_dx; - img->comps[0].dy = subsampling_dy; - Compo0 = fopen("Compo0", "wb"); - if (!Compo0) { - fprintf(stderr, - "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n"); - } - for (i = 0; i < w * h; i++) { - unsigned char l; - fread(&l, 1, 1, f); - fwrite(&l, 1, 1, Compo0); - } - fclose(Compo0); - } else if (value == '3') { - fgetc(f); - if (fgetc(f) == '#') { - fseek(f, 0, SEEK_SET); - fscanf(f, "P3\n"); - fgets(comment, 256, f); - fscanf(f, "%d %d\n255", &w, &h); - } else { - fseek(f, 0, SEEK_SET); - fscanf(f, "P3\n%d %d\n255", &w, &h); - } - - fgetc(f); - img->x0 = Dim[0]; - img->y0 = Dim[1]; - img->x1 = - !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w - - 1) * - subsampling_dx + 1; - img->y1 = - !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h - - 1) * - subsampling_dy + 1; - img->numcomps = 3; - img->comps = (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t)); - for (i = 0; i < img->numcomps; i++) { - img->comps[i].prec = 8; - img->comps[i].bpp = 8; - img->comps[i].sgnd = 0; - img->comps[i].dx = subsampling_dx; - img->comps[i].dy = subsampling_dy; - } - Compo0 = fopen("Compo0", "wb"); - if (!Compo0) { - fprintf(stderr, - "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n"); - } - - Compo1 = fopen("Compo1", "wb"); - if (!Compo1) { - fprintf(stderr, - "\033[0;33mFailed to open Compo1 for writing !\033[0;39m\n"); - } - - Compo2 = fopen("Compo2", "wb"); - if (!Compo2) { - fprintf(stderr, - "\033[0;33mFailed to open Compo2 for writing !\033[0;39m\n"); - } - - for (i = 0; i < w * h; i++) { - unsigned int r, g, b; - fscanf(f, "%d", &r); - fscanf(f, "%d", &g); - fscanf(f, "%d", &b); - fprintf(Compo0, "%c", r); - fprintf(Compo1, "%c", g); - fprintf(Compo2, "%c", b); - } - fclose(Compo0); - fclose(Compo1); - fclose(Compo2); - } else if (value == '6') { - fgetc(f); - if (fgetc(f) == '#') { - fseek(f, 0, SEEK_SET); - fscanf(f, "P6\n"); - fgets(comment, 256, f); - fscanf(f, "%d %d\n255", &w, &h); - } else { - fseek(f, 0, SEEK_SET); - fscanf(f, "P6\n%d %d\n255", &w, &h); - } - - fgetc(f); - img->x0 = Dim[0]; - img->y0 = Dim[1]; - img->x1 = - !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w - - 1) * - subsampling_dx + 1; - img->y1 = - !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h - - 1) * - subsampling_dy + 1; - img->numcomps = 3; - img->comps = (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t)); - for (i = 0; i < img->numcomps; i++) { - img->comps[i].prec = 8; - img->comps[i].bpp = 8; - img->comps[i].sgnd = 0; - img->comps[i].dx = subsampling_dx; - img->comps[i].dy = subsampling_dy; - } - Compo0 = fopen("Compo0", "wb"); - if (!Compo0) { - fprintf(stderr, - "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n"); - } - - Compo1 = fopen("Compo1", "wb"); - if (!Compo1) { - fprintf(stderr, - "\033[0;33mFailed to open Compo1 for writing !\033[0;39m\n"); - } - - Compo2 = fopen("Compo2", "wb"); - if (!Compo2) { - fprintf(stderr, - "\033[0;33mFailed to open Compo2 for writing !\033[0;39m\n"); - } - - for (i = 0; i < w * h; i++) { - unsigned char r, g, b; - fread(&r, 1, 1, f); - fread(&g, 1, 1, f); - fread(&b, 1, 1, f); - fwrite(&r, 1, 1, Compo0); - fwrite(&g, 1, 1, Compo1); - fwrite(&b, 1, 1, Compo2); - } - fclose(Compo0); - fclose(Compo1); - fclose(Compo2); - } else { - return 0; - } - fclose(f); - return 1; -} |
