#define BITS_IN_JSAMPLE 8
+#define GDCM_jpr_DEBUG 0
+
/*
DICOM provides a mechanism for supporting the use of JPEG Image Compression
through the Encapsulated Format (see PS 3.3 of the DICOM Standard).
int row_stride; /* physical row width in output buffer */
-#ifdef GDCM_DEBUG
+#ifdef GDCM_jpr_DEBUG
printf("entree dans gdcmFile::gdcm_read_JPEG_file12, depuis gdcmJpeg\n");
-#endif //GDCM_DEBUG
+#endif //GDCM_jpr_DEBUG
/* In this example we want to open the input file before doing anything else,
* so that the setjmp() error recovery below can assume the file is open.
*/
/* Step 1: allocate and initialize JPEG decompression object */
-#ifdef GDCM_DEBUG
+#ifdef GDCM_jpr_DEBUG
printf("Entree Step 1\n");
-#endif //GDCM_DEBUG
+#endif //GDCM_jpr_DEBUG
/* We set up the normal JPEG error routines, then override error_exit. */
jpeg_create_decompress(&cinfo);
/* Step 2: specify data source (eg, a file) */
-#ifdef GDCM_DEBUG
+#ifdef GDCM_jpr_DEBUG
printf("Entree Step 2\n");
-#endif //GDCM_DEBUG
+#endif //GDCM_jpr_DEBUG
jpeg_stdio_src(&cinfo, fp);
/* Step 3: read file parameters with jpeg_read_header() */
-#ifdef GDCM_DEBUG
+#ifdef GDCM_jpr_DEBUG
printf("Entree Step 3\n");
-#endif //GDCM_DEBUG
+#endif //GDCM_jpr_DEBUG
(void) jpeg_read_header(&cinfo, TRUE);
* See libjpeg.doc for more info.
*/
-#ifdef GDCM_DEBUG
+#ifdef GDCM_jpr_DEBUG
printf("--------------Header contents :----------------\n");
printf("image_width %d image_height %d\n",
cinfo.image_width , cinfo.image_height);
cinfo.output_components);
printf("nb of color components returned %d \n",
cinfo.data_precision);
-#endif //GDCM_DEBUG
+#endif //GDCM_jpr_DEBUG
/*
*/
/* Step 4: set parameters for decompression */
-#ifdef GDCM_DEBUG
+#ifdef GDCM_jpr_DEBUG
printf("Entree Step 4\n");
-#endif //GDCM_DEBUG
+#endif //GDCM_jpr_DEBUG
/* In this example, we don't need to change any of the defaults set by
* jpeg_read_header(), so we do nothing here.
*/
/* Step 5: Start decompressor */
-#ifdef GDCM_DEBUG
+#ifdef GDCM_jpr_DEBUG
printf("Entree Step 5\n");
-#endif GDCM_DEBUG
+#endif //GDCM_jpr_DEBUG
(void) jpeg_start_decompress(&cinfo);
/* We can ignore the return value since suspension is not possible
/* JSAMPLEs per row in output buffer */
row_stride = cinfo.output_width * cinfo.output_components;
-#ifdef GDCM_DEBUG
+#ifdef GDCM_jpr_DEBUG
printf ("cinfo.output_width %d cinfo.output_components %d row_stride %d\n",
cinfo.output_width, cinfo.output_components,row_stride);
-#endif //GDCM_DEBUG
+#endif //GDCM_jpr_DEBUG
/* Make a one-row-high sample array that will go away when done with image */
buffer = (*cinfo.mem->alloc_sarray)
((j_common_ptr) &cinfo, JPOOL_IMAGE, row_stride, 1);
/* Step 6: while (scan lines remain to be read) */
-#ifdef GDCM_DEBUG
+#ifdef GDCM_jpr_DEBUG
printf("Entree Step 6\n");
-#endif //GDCM_DEBUG
+#endif //GDCM_jpr_DEBUG
/* jpeg_read_scanlines(...); */
/* Here we use the library's state variable cinfo.output_scanline as the
* loop counter, so that we don't have to keep track ourselves.
*/
-#ifdef GDCM_DEBUG
+#ifdef GDCM_jpr_DEBUG
printf ("cinfo.output_height %d cinfo.output_width %d\n",
cinfo.output_height,cinfo.output_width);
-#endif //GDCM_DEBUG
+#endif //GDCM_jpr_DEBUG
pimage=(char *)image_buffer;
while (cinfo.output_scanline < cinfo.output_height) {
}
/* Step 7: Finish decompression */
-#ifdef GDCM_DEBUG
+#ifdef GDCM_jpr_DEBUG
printf("Entree Step 7\n");
-#endif //GDCM_DEBUG
+#endif //GDCM_jpr_DEBUG
(void) jpeg_finish_decompress(&cinfo);
/* Step 8: Release JPEG decompression object */
-#ifdef GDCM_DEBUG
+#ifdef GDCM_jpr_DEBUG
printf("Entree Step 8\n");
-#endif //GDCM_DEBUG
+#endif //GDCM_jpr_DEBUG
/* This is an important step since it will release a good deal of memory. */