DWORD biClrImportant; /* Number of important color (0: ALL) */
} BITMAPINFOHEADER_t;
-opj_image_t* bmptoimage(const char *filename, opj_cparameters_t *parameters) {
+opj_image_t* bmptoimage(const char *filename, opj_cparameters_t *parameters)
+{
int subsampling_dx = parameters->subsampling_dx;
int subsampling_dy = parameters->subsampling_dy;
int x, y, index;
int gray_scale = 1, not_end_file = 1;
-
+ int has_color;
unsigned int line = 0, col = 0;
unsigned char v, v2;
DWORD W, H;
IN = fopen(filename, "rb");
- if (!IN) {
- fprintf(stderr, "Failed to open %s for reading !!\n", filename);
- return 0;
- }
+ 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");
- return 0;
- } else {
+ 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.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.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.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;
+ 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;
+ 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 = 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;
+ if (Info_h.biBitCount == 24)
+ {
+ numcomps = 3;
+ color_space = 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 */
+ /* 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);
+ /* 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;
+ 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;
+ /* 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));
+ RGB = (unsigned char *)
+ malloc((3 * W + PAD) * H * sizeof(unsigned char));
- fread(RGB, sizeof(unsigned char), (3 * W + PAD) * H, IN);
+ fread(RGB, sizeof(unsigned char), (3 * W + PAD) * H, IN);
- 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++;
- }
- }
+ index = 0;
- free(RGB);
+ 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;
- } else if (Info_h.biBitCount == 8 && Info_h.biCompression == 0) {
- 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 (j = 0; j < Info_h.biClrUsed; j++) {
- table_B[j] = getc(IN);
- table_G[j] = getc(IN);
- table_R[j] = getc(IN);
- getc(IN);
- if (table_R[j] != table_G[j] && table_R[j] != table_B[j] && table_G[j] != table_B[j])
- 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);
+ 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] = getc(IN);
+ table_G[j] = getc(IN);
+ table_R[j] = 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++;
+ W = Info_h.biWidth;
+ H = Info_h.biHeight;
+ if (Info_h.biWidth % 2)
+ W++;
- numcomps = gray_scale ? 1 : 3;
- color_space = gray_scale ? CLRSPC_GRAY : 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;
- }
+ numcomps = gray_scale ? 1 : 3;
+ color_space = gray_scale ? CLRSPC_GRAY : 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 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 */
+ /* set image data */
- RGB = (unsigned char *) malloc(W * H * sizeof(unsigned char));
+ RGB = (unsigned char *) malloc(W * H * sizeof(unsigned char));
- fread(RGB, sizeof(unsigned char), W * H, IN);
- 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++;
- }
- }
+ fread(RGB, sizeof(unsigned char), W * H, IN);
+ 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);
- } else if (Info_h.biBitCount == 8 && Info_h.biCompression == 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 (j = 0; j < Info_h.biClrUsed; j++) {
- table_B[j] = getc(IN);
- table_G[j] = getc(IN);
- table_R[j] = getc(IN);
- getc(IN);
- if (table_R[j] != table_G[j] && table_R[j] != table_B[j] && table_G[j] != table_B[j])
- gray_scale = 0;
- }
+ }
+ 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;
+ unsigned int *gray, *red, *green, *blue;
+ unsigned int x, y, max;
+ int i, c, c1;
+ unsigned char uc;
- numcomps = gray_scale ? 1 : 3;
- color_space = gray_scale ? CLRSPC_GRAY : 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;
- }
+ if(Info_h.biClrUsed == 0) Info_h.biClrUsed = 256;
+ else
+ if(Info_h.biClrUsed > 256) Info_h.biClrUsed = 256;
- /* 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;
+ 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));
- /* 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);
-
- 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:
- fprintf(stderr,"No Delta supported\n");
- opj_image_destroy(image);
- fclose(IN);
- return NULL;
- default:
- for (i = 0; i < v; i++) {
- v2 = getc(IN);
- RGB[line * Info_h.biWidth + col] = v2;
- col++;
- }
- if (v % 2)
- v2 = getc(IN);
- break;
- }
- }
- }
- if (gray_scale) {
- index = 0;
- for (line = 0; line < Info_h.biHeight; line++) {
- for (col = 0; col < Info_h.biWidth; col++) {
- image->comps[0].data[index] = table_R[(int)RGB[(Info_h.biHeight - line - 1) * Info_h.biWidth + col]];
- index++;
- }
- }
- } else {
- index = 0;
- for (line = 0; line < Info_h.biHeight; line++) {
- for (col = 0; col < Info_h.biWidth; col++) {
- unsigned char pixel_index = (int)RGB[(Info_h.biHeight - line - 1) * Info_h.biWidth + col];
- 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);
- } else {
- fprintf(stderr,
- "Other system than 24 bits/pixels or 8 bits (no RLE coding) is not yet implemented [%d]\n", Info_h.biBitCount);
- }
+ has_color = 0;
+ for (j = 0; j < Info_h.biClrUsed; j++)
+ {
+ table_B[j] = getc(IN);
+ table_G[j] = getc(IN);
+ table_R[j] = 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 ? CLRSPC_GRAY : 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 = c1;
}
-
- return image;
+ 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 = c1;
+ }
+ if(c & 1) /* skip padding byte */
+ getc(IN);
+ }
+ }
+ }/* while() */
+
+ if (gray_scale)
+ {
+ int *gray;
+
+ 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) {
projects / openjpeg / commitdiff