/*
* 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
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* 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 <string.h>
+#include "openjpeg.h"
+
+/*
+ * Get logarithm of an integer and round downwards.
+ *
+ * log2(a)
+ */
+static int int_floorlog2(int a) {
+ int l;
+ for (l = 0; a > 1; l++) {
+ a >>= 1;
+ }
+ return l;
+}
+
+/*
+ * Divide an integer by a power of 2 and round upwards.
+ *
+ * a divided by 2^b
+ */
+static int int_ceildivpow2(int a, int b) {
+ return (a + (1 << b) - 1) >> b;
+}
+
+/*
+ * Divide an integer and round upwards.
+ *
+ * a divided by b
+ */
+static int int_ceildiv(int a, int b) {
+ return (a + b - 1) / b;
+}
/* -->> -->> -->> -->>
<<-- <<-- <<-- <<-- */
-/* UINT2 defines a two byte word */
-typedef unsigned short int UINT2;
+/* WORD defines a two byte word */
+typedef unsigned short int WORD;
-/* UINT4 defines a four byte word */
-typedef unsigned long int UINT4;
+/* DWORD defines a four byte word */
+typedef unsigned long int DWORD;
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 */
+ 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 {
- 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) */
+ 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;
-int bmptoimage(char *filename, j2k_image_t * img, int subsampling_dx,
- int subsampling_dy, int Dim[2])
-{
+opj_image_t* bmptoimage(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;
- 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;
- unsigned int j, w, h, PAD, type = 0;
+ unsigned int j, PAD = 0;
- int i;
+ int x, y, index;
int gray_scale = 1, not_end_file = 1;
unsigned int line = 0, col = 0;
unsigned char v, v2;
- UINT4 W, H;
-
+ DWORD W, H;
+
IN = fopen(filename, "rb");
if (!IN) {
- fprintf(stderr,
- "\033[0;33mFailed to open %s for reading !!\033[0;39m\n",
- filename);
+ 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) {
fprintf(stderr,"Error, not a BMP file!\n");
return 0;
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->color_space = 1;
- 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");
+ 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;
}
- 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");
+ /* 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 = 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);
-
- for (j = 0; j < (3 * W + PAD) * H; j++) {
- unsigned char elmt;
- int Wp = 3 * W + PAD;
-
- elmt = RGB[(H - (j / Wp + 1)) * Wp + j % Wp];
- if ((j % Wp) < (3 * W)) {
- switch (type) {
- case 0:
- fprintf(Compo2, "%c", elmt);
- type = 1;
- break;
- case 1:
- fprintf(Compo1, "%c", elmt);
- type = 2;
- break;
- case 2:
- fprintf(Compo0, "%c", elmt);
- type = 0;
- break;
- }
- }
+
+ 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++;
+ }
}
- 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;
+ } 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;
+ 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);
-
+
W = Info_h.biWidth;
H = Info_h.biHeight;
if (Info_h.biWidth % 2)
- W++;
+ 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;
+ }
- RGB = (unsigned char *) malloc(W * H * sizeof(unsigned char));
+ /* 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));
+
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 (j = 0; j < W * H; j++) {
- if ((j % W < W - 1 && Info_h.biWidth % 2)
- || !(Info_h.biWidth % 2))
- fprintf(Compo0, "%c",
- table_R[RGB[W * H - ((j) / (W) + 1) * W + (j) % (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 (j = 0; j < W * H; j++) {
- if ((j % W < W - 1 && Info_h.biWidth % 2)
- || !(Info_h.biWidth % 2)) {
- fprintf(Compo0, "%c",
- table_R[RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)]]);
- fprintf(Compo1, "%c",
- table_G[RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)]]);
- fprintf(Compo2, "%c",
- table_B[RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)]]);
- }
-
- }
- fclose(Compo0);
- fclose(Compo1);
- fclose(Compo2);
+ 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);
-
- } 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;
-
+
+ } 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;
+ 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);
-
- 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");
- }
+ 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;
}
- RGB =
- (unsigned char *) malloc(Info_h.biWidth * Info_h.biHeight *
- sizeof(unsigned char));
+ /* 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);
+
+ 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");
- 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);
- }
- }
+ 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) {
- 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);
+ 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 {
- 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);
+ 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);
- } else
- fprintf(stderr,
- "Other system than 24 bits/pixels or 8 bits (no RLE coding) is not yet implemented [%d]\n",
- Info_h.biBitCount);
+ } 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;
+}
- fclose(IN);
- return 1;
+int imagetobmp(opj_image_t * image, char *outfile) {
+ int w, wr, h, hr;
+ int i, pad;
+ FILE *fdest = NULL;
+
+ 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 = int_ceildiv(image->x1 - image->x0, image->comps[0].dx); */
+ /* wr = int_ceildiv(int_ceildivpow2(image->x1 - image->x0,image->factor), image->comps[0].dx); */
+ w = image->comps[0].w;
+ wr = int_ceildivpow2(image->comps[0].w, image->comps[0].factor);
+
+ /* h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy); */
+ /* hr = int_ceildiv(int_ceildivpow2(image->y1 - image->y0,image->factor), image->comps[0].dy); */
+ h = image->comps[0].h;
+ hr = int_ceildivpow2(image->comps[0].h, image->comps[0].factor);
+
+ fprintf(fdest, "BM");
+
+ /* FILE HEADER */
+ /* ------------- */
+ fprintf(fdest, "%c%c%c%c",
+ (unsigned char) (hr * wr * 3 + 3 * hr * (wr % 2) + 54) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54) >> 8) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54) >> 16) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 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) ((wr) & 0xff),
+ (unsigned char) ((wr) >> 8) & 0xff,
+ (unsigned char) ((wr) >> 16) & 0xff,
+ (unsigned char) ((wr) >> 24) & 0xff);
+ fprintf(fdest, "%c%c%c%c", (unsigned char) ((hr) & 0xff),
+ (unsigned char) ((hr) >> 8) & 0xff,
+ (unsigned char) ((hr) >> 16) & 0xff,
+ (unsigned char) ((hr) >> 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 * hr * wr + 3 * hr * (wr % 2)) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >> 8) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >> 16) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 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);
+
+ for (i = 0; i < wr * hr; i++) {
+ unsigned char R, G, B;
+ /* a modifier */
+ /* R = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]; */
+ R = image->comps[0].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
+ /* G = image->comps[1].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]; */
+ G = image->comps[1].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
+ /* B = image->comps[2].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]; */
+ B = image->comps[2].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
+ fprintf(fdest, "%c%c%c", B, G, R);
+
+ if ((i + 1) % wr == 0) {
+ for (pad = (3 * wr) % 4 ? 4 - (3 * wr) % 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 = int_ceildiv(image->x1 - image->x0, image->comps[0].dx); */
+ /* wr = int_ceildiv(int_ceildivpow2(image->x1 - image->x0,image->factor), image->comps[0].dx); */
+ w = image->comps[0].w;
+ wr = int_ceildivpow2(image->comps[0].w, image->comps[0].factor);
+
+ /* h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy); */
+ /* hr = int_ceildiv(int_ceildivpow2(image->y1 - image->y0,image->factor), image->comps[0].dy); */
+ h = image->comps[0].h;
+ hr = int_ceildivpow2(image->comps[0].h, image->comps[0].factor);
+
+ fprintf(fdest, "BM");
+
+ /* FILE HEADER */
+ /* ------------- */
+ fprintf(fdest, "%c%c%c%c", (unsigned char) (hr * wr + 54 + 1024 + hr * (wr % 2)) & 0xff,
+ (unsigned char) ((hr * wr + 54 + 1024 + hr * (wr % 2)) >> 8) & 0xff,
+ (unsigned char) ((hr * wr + 54 + 1024 + hr * (wr % 2)) >> 16) & 0xff,
+ (unsigned char) ((hr * wr + 54 + 1024 + wr * (wr % 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) ((wr) & 0xff),
+ (unsigned char) ((wr) >> 8) & 0xff,
+ (unsigned char) ((wr) >> 16) & 0xff,
+ (unsigned char) ((wr) >> 24) & 0xff);
+ fprintf(fdest, "%c%c%c%c", (unsigned char) ((hr) & 0xff),
+ (unsigned char) ((hr) >> 8) & 0xff,
+ (unsigned char) ((hr) >> 16) & 0xff,
+ (unsigned char) ((hr) >> 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) (hr * wr + hr * (wr % 2)) & 0xff,
+ (unsigned char) ((hr * wr + hr * (wr % 2)) >> 8) & 0xff,
+ (unsigned char) ((hr * wr + hr * (wr % 2)) >> 16) & 0xff,
+ (unsigned char) ((hr * wr + hr * (wr % 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);
+
+ for (i = 0; i < 256; i++) {
+ fprintf(fdest, "%c%c%c%c", i, i, i, 0);
+ }
+
+ for (i = 0; i < wr * hr; i++) {
+ /* a modifier !! */
+ /* fprintf(fdest, "%c", image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]); */
+ fprintf(fdest, "%c", image->comps[0].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)]);
+ /*if (((i + 1) % w == 0 && w % 2))
+ fprintf(fdest, "%c", 0); */
+ if ((i + 1) % wr == 0) {
+ for (pad = wr % 4 ? 4 - wr % 4 : 0; pad > 0; pad--) /* ADD */
+ fprintf(fdest, "%c", 0);
+ }
}
+ fclose(fdest);
+ }
+
+ return 0;
}
- /* -->> -->> -->> -->>
+/* -->> -->> -->> -->>
- PGX IMAGE FORMAT
+PGX IMAGE FORMAT
- <<-- <<-- <<-- <<-- */
+<<-- <<-- <<-- <<-- */
unsigned char readuchar(FILE * f)
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;
+opj_image_t* pgxtoimage(char *filename, opj_cparameters_t *parameters) {
+ FILE *f = NULL;
int w, h, prec;
- int i, compno, bandno;
- char str[256];
+ int i, numcomps, max;
+ OPJ_COLOR_SPACE color_space;
+ opj_image_cmptparm_t cmptparm; /* maximum of 1 component */
+ opj_image_t * image = NULL;
char endian1,endian2,sign;
char signtmp[32];
char temp[32];
int bigendian;
- j2k_comp_t *comp;
-
- img->numcomps = 1;
- img->color_space = 2;
- 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;
+ opj_image_comp_t *comp = NULL;
+ numcomps = 1;
+ color_space = CLRSPC_GRAY;
- 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;
- }
-
-
-
- fseek(f, 0, SEEK_SET);
+ memset(&cmptparm, 0, sizeof(opj_image_cmptparm_t));
- fscanf(f, "PG%[ \t]%c%c%[ \t+-]%d%[ \t]%d%[ \t]%d",temp,&endian1,&endian2,signtmp,&prec,temp,&w,temp,&h);
+ max = 0;
-
+ f = fopen(filename, "rb");
+ if (!f) {
+ fprintf(stderr, "Failed to open %s for reading !\n", filename);
+ return NULL;
+ }
- i=0;
+ fseek(f, 0, SEEK_SET);
+ fscanf(f, "PG%[ \t]%c%c%[ \t+-]%d%[ \t]%d%[ \t]%d",temp,&endian1,&endian2,signtmp,&prec,temp,&w,temp,&h);
+
+ i=0;
+ sign='+';
+ while (signtmp[i]!='\0') {
+ if (signtmp[i]=='-') sign='-';
+ i++;
+ }
+
+ fgetc(f);
+ if (endian1=='M' && endian2=='L') {
+ bigendian = 1;
+ } else if (endian2=='M' && endian1=='L') {
+ bigendian = 0;
+ } else {
+ fprintf(stderr, "Bad pgx header, please check input file\n");
+ return NULL;
+ }
- sign='+';
+ /* initialize image component */
- while (signtmp[i]!='\0') {
+ 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;
+
+ if (sign == '-') {
+ cmptparm.sgnd = 1;
+ } else {
+ cmptparm.sgnd = 0;
+ }
+ cmptparm.prec = prec;
+ cmptparm.bpp = prec;
+ cmptparm.dx = parameters->subsampling_dx;
+ cmptparm.dy = parameters->subsampling_dy;
+
+ /* create the image */
+ image = opj_image_create(numcomps, &cmptparm, color_space);
+ if(!image) {
+ fclose(f);
+ return NULL;
+ }
+ /* set image offset and reference grid */
+ image->x0 = cmptparm.x0;
+ image->y0 = cmptparm.x0;
+ image->x1 = cmptparm.w;
+ image->y1 = cmptparm.h;
- if (signtmp[i]=='-') sign='-';
+ /* set image data */
- i++;
+ comp = &image->comps[0];
+ for (i = 0; i < w * h; i++) {
+ int v;
+ 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;
+ comp->data[i] = v;
+ }
+ fclose(f);
+ comp->bpp = int_floorlog2(max) + 1;
-
-
- fgetc(f);
- if (endian1=='M' && endian2=='L')
- bigendian = 1;
- else if (endian2=='M' && endian1=='L')
- bigendian = 0;
-
- else {
-
- fprintf(stderr, "Bad pgx header, please check input file\n");
-
- return 0;
+ return image;
+}
+int imagetopgx(opj_image_t * image, char *outfile) {
+ int w, wr, h, hr;
+ int i, j, compno;
+ FILE *fdest = NULL;
+
+ for (compno = 0; compno < image->numcomps; compno++) {
+ opj_image_comp_t *comp = &image->comps[compno];
+ char name[256];
+ int nbytes = 0;
+ char *tmp = outfile;
+ while (*tmp) {
+ tmp++;
}
+ while (*tmp!='.') {
+ tmp--;
+ }
+ *tmp='\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;
+ if (image->numcomps > 1) {
+ sprintf(name, "%s-%d.pgx", outfile, compno);
} else {
- if (w != img->x1 || h != img->y1)
- return 0;
+ sprintf(name, "%s.pgx", outfile);
}
-
- if (sign == '-') {
- comp->sgnd = 1;
- } else {
- comp->sgnd = 0;
+ fdest = fopen(name, "wb");
+ if (!fdest) {
+ fprintf(stderr, "ERROR -> failed to open %s for writing\n", name);
+ return 1;
}
- 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);
+ /* w = int_ceildiv(image->x1 - image->x0, comp->dx); */
+ /* wr = int_ceildiv(int_ceildivpow2(image->x1 - image->x0,image->factor), comp->dx); */
+ w = image->comps[compno].w;
+ wr = int_ceildivpow2(image->comps[compno].w, image->comps[compno].factor);
+
+ /* h = int_ceildiv(image->y1 - image->y0, comp->dy); */
+ /* hr = int_ceildiv(int_ceildivpow2(image->y1 - image->y0,image->factor), comp->dy); */
+ h = image->comps[compno].h;
+ hr = int_ceildivpow2(image->comps[compno].h, image->comps[compno].factor);
+
+ fprintf(fdest, "PG ML %c %d %d %d\n", comp->sgnd ? '-' : '+', comp->prec, wr, hr);
+ 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;
- 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);
- }
+ for (i = 0; i < wr * hr; i++) {
+ int v = image->comps[compno].data[i / wr * w + i % wr];
+ for (j = nbytes - 1; j >= 0; j--) {
+ char byte = (char) (v >> (j * 8));
+ fwrite(&byte, 1, 1, fdest);
}
- if (v > max)
- max = v;
- fprintf(src, "%d ", v);
}
- fclose(f);
- fclose(src);
- comp->bpp = int_floorlog2(max) + 1;
+ fclose(fdest);
}
- return 1;
+
+ return 0;
}
/* -->> -->> -->> -->>
- PNM IMAGE FORMAT
+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;
+opj_image_t* pnmtoimage(char *filename, opj_cparameters_t *parameters) {
+ 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[3]; /* maximum of 3 components */
+ opj_image_t * image = NULL;
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);
+ fprintf(stderr, "\033[0;33mFailed to open %s for reading !!\033[0;39m\n", filename);
return 0;
}
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->color_space = 2;
- 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->color_space = 2;
- 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);
- }
+ switch(value) {
+ case '2': /* greyscale image type */
+ case '5':
+ numcomps = 1;
+ color_space = CLRSPC_GRAY;
+ break;
+
+ case '3': /* RGB image type */
+ case '6':
+ numcomps = 3;
+ color_space = CLRSPC_SRGB;
+ break;
+
+ default:
+ fclose(f);
+ return NULL;
+ }
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->color_space = 1;
- 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");
- }
+
+ /* skip comments */
+ while(fgetc(f) == '#') while(fgetc(f) != '\n');
+
+ fseek(f, -1, SEEK_CUR);
+ fscanf(f, "%d %d\n255", &w, &h);
+ fgetc(f); /* <cr><lf> */
+
+ /* 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(f);
+ return NULL;
+ }
- Compo1 = fopen("Compo1", "wb");
- if (!Compo1) {
- fprintf(stderr,
- "\033[0;33mFailed to open Compo1 for writing !\033[0;39m\n");
- }
+ /* 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;
- Compo2 = fopen("Compo2", "wb");
- if (!Compo2) {
- fprintf(stderr,
- "\033[0;33mFailed to open Compo2 for writing !\033[0;39m\n");
- }
+ /* set image data */
+ if ((value == '2') || (value == '3')) { /* ASCII */
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);
+ for(compno = 0; compno < numcomps; compno++) {
+ unsigned int index = 0;
+ fscanf(f, "%u", &index);
+ /* compno : 0 = GREY, (0, 1, 2) = (R, G, B) */
+ image->comps[compno].data[i] = index;
+ }
}
- 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);
+ } else if ((value == '5') || (value == '6')) { /* BINARY */
+ for (i = 0; i < w * h; i++) {
+ for(compno = 0; compno < numcomps; compno++) {
+ unsigned char index = 0;
+ fread(&index, 1, 1, f);
+ /* compno : 0 = GREY, (0, 1, 2) = (R, G, B) */
+ image->comps[compno].data[i] = index;
+ }
}
+ }
- 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->color_space = 1;
- 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");
- }
+ fclose(f);
- Compo1 = fopen("Compo1", "wb");
- if (!Compo1) {
- fprintf(stderr,
- "\033[0;33mFailed to open Compo1 for writing !\033[0;39m\n");
- }
+ return image;
+}
+
+int imagetopnm(opj_image_t * image, char *outfile) {
+ int w, wr, wrr, h, hr, hrr, max;
+ int i, compno;
+ int adjust;
+ FILE *fdest = NULL;
+ char S2;
+ char *tmp = outfile;
- Compo2 = fopen("Compo2", "wb");
- if (!Compo2) {
- fprintf(stderr,
- "\033[0;33mFailed to open Compo2 for writing !\033[0;39m\n");
+ while (*tmp) {
+ tmp++;
+ }
+ tmp--;
+ tmp--;
+ S2 = *tmp;
+
+ 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
+ && S2 !='g' && S2 !='G') {
+
+ fdest = fopen(outfile, "wb");
+ if (!fdest) {
+ fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
+ return 1;
}
- 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);
+ w = int_ceildiv(image->x1 - image->x0, image->comps[0].dx);
+ /* wr = int_ceildiv(int_ceildivpow2(image->x1 - image->x0,image->factor),image->comps[0].dx); */
+ wr = image->comps[0].w;
+ wrr = int_ceildivpow2(image->comps[0].w, image->comps[0].factor);
+
+ h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy);
+ /* hr = int_ceildiv(int_ceildivpow2(image->y1 - image->y0,image->factor), image->comps[0].dy); */
+ hr = image->comps[0].h;
+ hrr = int_ceildivpow2(image->comps[0].h, image->comps[0].factor);
+
+ max = image->comps[0].prec > 8 ? 255 : (1 << image->comps[0].prec) - 1;
+
+ image->comps[0].x0 = int_ceildivpow2(image->comps[0].x0 - int_ceildiv(image->x0, image->comps[0].dx), image->comps[0].factor);
+ image->comps[0].y0 = int_ceildivpow2(image->comps[0].y0 - int_ceildiv(image->y0, image->comps[0].dy), image->comps[0].factor);
+
+ fprintf(fdest, "P6\n%d %d\n%d\n", wrr, hrr, max);
+ adjust = image->comps[0].prec > 8 ? image->comps[0].prec - 8 : 0;
+ for (i = 0; i < wrr * hrr; i++) {
+ int r, g, b;
+ unsigned char rc,gc,bc;
+ r = image->comps[0].data[i / wrr * wr + i % wrr];
+ r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
+ rc = (unsigned char) ((r >> adjust)+((r >> (adjust-1))%2));
+
+ g = image->comps[1].data[i / wrr * wr + i % wrr];
+ g += (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
+ gc = (unsigned char) ((g >> adjust)+((g >> (adjust-1))%2));
+
+ b = image->comps[2].data[i / wrr * wr + i % wrr];
+ b += (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
+ bc = (unsigned char) ((b >> adjust)+((b >> (adjust-1))%2));
+
+ fprintf(fdest, "%c%c%c", rc, gc, bc);
}
- fclose(Compo0);
- fclose(Compo1);
- fclose(Compo2);
+ fclose(fdest);
} else {
- return 0;
+ int ncomp=(S2=='g' || S2=='G')?1:image->numcomps;
+ if (image->numcomps>ncomp) {
+ fprintf(stderr,"WARNING -> [PGM files] Only the first component\n");
+ fprintf(stderr," is written to the file\n");
+ }
+ for (compno = 0; compno < ncomp; compno++) {
+ char name[256];
+ if (ncomp > 1) {
+ sprintf(name, "%d.%s", compno, outfile);
+ } else {
+ sprintf(name, "%s", outfile);
+ }
+
+ fdest = fopen(name, "wb");
+ if (!fdest) {
+ fprintf(stderr, "ERROR -> failed to open %s for writing\n", name);
+ return 1;
+ }
+
+ w = int_ceildiv(image->x1 - image->x0, image->comps[compno].dx);
+ /* wr = int_ceildiv(int_ceildivpow2(image->x1 - image->x0,image->factor),image->comps[compno].dx); */
+ wr = image->comps[compno].w;
+ wrr = int_ceildivpow2(image->comps[compno].w, image->comps[compno].factor);
+
+ h = int_ceildiv(image->y1 - image->y0, image->comps[compno].dy);
+ /* hr = int_ceildiv(int_ceildivpow2(image->y1 - image->y0,image->factor), image->comps[compno].dy); */
+ hr = image->comps[compno].h;
+ hrr = int_ceildivpow2(image->comps[compno].h, image->comps[compno].factor);
+
+ max = image->comps[compno].prec > 8 ? 255 : (1 << image->comps[compno].prec) - 1;
+
+ image->comps[compno].x0 = int_ceildivpow2(image->comps[compno].x0 - int_ceildiv(image->x0, image->comps[compno].dx), image->comps[compno].factor);
+ image->comps[compno].y0 = int_ceildivpow2(image->comps[compno].y0 - int_ceildiv(image->y0, image->comps[compno].dy), image->comps[compno].factor);
+
+ fprintf(fdest, "P5\n%d %d\n%d\n", wrr, hrr, max);
+ adjust = image->comps[compno].prec > 8 ? image->comps[compno].prec - 8 : 0;
+
+ for (i = 0; i < wrr * hrr; i++) {
+ int l;
+ unsigned char lc;
+ l = image->comps[compno].data[i / wrr * wr + i % wrr];
+ l += (image->comps[compno].sgnd ? 1 << (image->comps[compno].prec - 1) : 0);
+ lc = (unsigned char) ((l >> adjust)+((l >> (adjust-1))%2));
+ fprintf(fdest, "%c", lc);
+ }
+ fclose(fdest);
+ }
}
- fclose(f);
- return 1;
+
+ return 0;
}