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-rw-r--r--src/bin/jp2/convert.c764
1 files changed, 1 insertions, 763 deletions
diff --git a/src/bin/jp2/convert.c b/src/bin/jp2/convert.c
index 5cde4fbd..bb8cfdac 100644
--- a/src/bin/jp2/convert.c
+++ b/src/bin/jp2/convert.c
@@ -149,6 +149,7 @@ void scale_component(opj_image_comp_t* component, OPJ_UINT32 precision)
l_data[i] >>= shift;
}
}
+ component->bpp = precision;
component->prec = precision;
}
@@ -1582,769 +1583,6 @@ if(v > 65535) v = 65535; else if(v < 0) v = 0;
return 0;
}/* imagetopnm() */
-#ifdef OPJ_HAVE_LIBTIFF
-/* -->> -->> -->> -->>
-
- TIFF IMAGE FORMAT
-
- <<-- <<-- <<-- <<-- */
-
-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 = (int)image->comps[0].prec;
-
- if(bps > 8 && bps < 16)
- {
- 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 = (int)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 = (int)image->comps[0].w;
- height = (int)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] = (unsigned char)r ;
- if(g > 255) g = 255; else if(g < 0) g = 0;
- dat8[i+1] = (unsigned char)g ;
- if(b > 255) b = 255; else if(b < 0) b = 0;
- dat8[i+2] = (unsigned char)b ;
- if(has_alpha)
- {
- if(a > 255) a = 255; else if(a < 0) a = 0;
- dat8[i+3] = (unsigned char)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] = (unsigned char)r ;
- if(i+1 < ssize) dat8[i+1] = (unsigned char)g ; else break;
- if(i+2 < ssize) dat8[i+2] = (unsigned char)b ; else break;
- if(has_alpha)
- {
- if(a > 255) a = 255; else if(a < 0) a = 0;
-
- if(i+3 < ssize) dat8[i+3] = (unsigned char)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<<ushift) + (r>>dshift);
- g = (g<<ushift) + (g>>dshift);
- b = (b<<ushift) + (b>>dshift);
- if(has_alpha) a = (a<<ushift) + (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] = (unsigned char)r;/*LSB*/
- dat8[i+1] = (unsigned char)(r >> 8);/*MSB*/
- dat8[i+2] = (unsigned char)g;
- dat8[i+3] = (unsigned char)(g >> 8);
- dat8[i+4] = (unsigned char)b;
- dat8[i+5] = (unsigned char)(b >> 8);
- if(has_alpha)
- {
- if(a > 65535) a = 65535; else if(a < 0) a = 0;
- dat8[i+6] = (unsigned char)a;
- dat8[i+7] = (unsigned char)(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<<ushift) + (r>>dshift);
- g = (g<<ushift) + (g>>dshift);
- b = (b<<ushift) + (b>>dshift);
- if(has_alpha) a = (a<<ushift) + (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] = (unsigned char) r;/*LSB*/
- if(i+1 < ssize) dat8[i+1] = (unsigned char)(r >> 8);else break;/*MSB*/
- if(i+2 < ssize) dat8[i+2] = (unsigned char) g; else break;
- if(i+3 < ssize) dat8[i+3] = (unsigned char)(g >> 8);else break;
- if(i+4 < ssize) dat8[i+4] = (unsigned char) b; else break;
- if(i+5 < ssize) dat8[i+5] = (unsigned char)(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] = (unsigned char)a; else break;
- if(i+7 < ssize) dat8[i+7] = (unsigned char)(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 = (int)image->comps[0].w;
- height = (int)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] = (unsigned char)r;
-
- if(has_alpha)
- {
- if(a > 255) a = 255; else if(a < 0) a = 0;
- dat8[i+1] = (unsigned char)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<<ushift) + (r>>dshift);
- if(has_alpha) a = (a<<ushift) + (a>>dshift);
- }
- if(r > 65535) r = 65535; else if(r < 0) r = 0;
- dat8[i+0] = (unsigned char)r;/*LSB*/
- dat8[i+1] = (unsigned char)(r >> 8);/*MSB*/
- if(has_alpha)
- {
- if(a > 65535) a = 65535; else if(a < 0) a = 0;
- dat8[i+2] = (unsigned char)a;
- dat8[i+3] = (unsigned char)(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;
- OPJ_BOOL is_cinema = OPJ_IS_CINEMA(parameters->rsiz);
-
- 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= (int)tiWidth;
- h= (int)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) && (is_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(is_cinema)
- {
- cmptparm[j].prec = 12;
- cmptparm[j].bpp = 12;
- }
- else
- {
- cmptparm[j].prec = tiBps;
- cmptparm[j].bpp = tiBps;
- }
- cmptparm[j].dx = (OPJ_UINT32)subsampling_dx;
- cmptparm[j].dy = (OPJ_UINT32)subsampling_dy;
- cmptparm[j].w = (OPJ_UINT32)w;
- cmptparm[j].h = (OPJ_UINT32)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((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
-#endif
-
- if(!image)
- {
- TIFFClose(tif);
- return NULL;
- }
- /* set image offset and reference grid
-*/
- image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
- image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
- image->x1 = !image->x0 ? (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1 :
- image->x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
- image->y1 = !image->y0 ? (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1 :
- image->y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
-
- buf = _TIFFmalloc(TIFFStripSize(tif));
-
- strip_size=TIFFStripSize(tif);
- index = 0;
- imgsize = (int)(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(is_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(is_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 = (OPJ_UINT32)subsampling_dx;
- cmptparm[j].dy = (OPJ_UINT32)subsampling_dy;
- cmptparm[j].w = (OPJ_UINT32)w;
- cmptparm[j].h = (OPJ_UINT32)h;
- }
-#ifdef USETILEMODE
- image = opj_image_tile_create(numcomps,&cmptparm[0],color_space);
-#else
- image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
-#endif
-
- if(!image)
- {
- TIFFClose(tif);
- return NULL;
- }
- /* set image offset and reference grid
-*/
- image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
- image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
- image->x1 = !image->x0 ? (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1 :
- image->x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
- image->y1 = !image->y0 ? (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1 :
- image->y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
-
- buf = _TIFFmalloc(TIFFStripSize(tif));
-
- strip_size = TIFFStripSize(tif);
- index = 0;
- imgsize = (int)(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
generated by cgit v1.2.3 (git 2.46.0) at 2026-04-19 14:58:57 +0000