mirror of
https://github.com/gryf/wmaker.git
synced 2025-12-30 18:32:34 +01:00
changed indentation to use spaces only
This commit is contained in:
119
wrlib/jpeg.c
119
wrlib/jpeg.c
@@ -1,19 +1,19 @@
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/* jpeg.c - load JPEG image from file
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*
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*
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* Raster graphics library
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*
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*
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* Copyright (c) 1997-2003 Alfredo K. Kojima
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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@@ -68,9 +68,9 @@
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*/
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struct my_error_mgr {
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struct jpeg_error_mgr pub; /* "public" fields */
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struct jpeg_error_mgr pub; /* "public" fields */
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jmp_buf setjmp_buffer; /* for return to caller */
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jmp_buf setjmp_buffer; /* for return to caller */
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};
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typedef struct my_error_mgr * my_error_ptr;
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@@ -82,15 +82,15 @@ typedef struct my_error_mgr * my_error_ptr;
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static void
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my_error_exit(j_common_ptr cinfo)
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{
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/* cinfo->err really points to a my_error_mgr struct, so coerce pointer */
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my_error_ptr myerr = (my_error_ptr) cinfo->err;
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/* cinfo->err really points to a my_error_mgr struct, so coerce pointer */
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my_error_ptr myerr = (my_error_ptr) cinfo->err;
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/* Always display the message. */
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/* We could postpone this until after returning, if we chose. */
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(*cinfo->err->output_message) (cinfo);
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/* Always display the message. */
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/* We could postpone this until after returning, if we chose. */
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(*cinfo->err->output_message) (cinfo);
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/* Return control to the setjmp point */
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longjmp(myerr->setjmp_buffer, 1);
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/* Return control to the setjmp point */
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longjmp(myerr->setjmp_buffer, 1);
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}
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@@ -111,41 +111,41 @@ RLoadJPEG(RContext *context, char *file_name, int index)
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file = fopen(file_name, "rb");
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if (!file) {
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RErrorCode = RERR_OPEN;
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return NULL;
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RErrorCode = RERR_OPEN;
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return NULL;
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}
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cinfo.err = jpeg_std_error(&jerr.pub);
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jerr.pub.error_exit = my_error_exit;
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/* Establish the setjmp return context for my_error_exit to use. */
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if (setjmp(jerr.setjmp_buffer)) {
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/* If we get here, the JPEG code has signaled an error.
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* We need to clean up the JPEG object, close the input file, and return.
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*/
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jpeg_destroy_decompress(&cinfo);
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fclose(file);
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return NULL;
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/* If we get here, the JPEG code has signaled an error.
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* We need to clean up the JPEG object, close the input file, and return.
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*/
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jpeg_destroy_decompress(&cinfo);
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fclose(file);
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return NULL;
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}
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jpeg_create_decompress(&cinfo);
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jpeg_stdio_src(&cinfo, file);
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jpeg_read_header(&cinfo, TRUE);
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if (cinfo.image_width < 1 || cinfo.image_height < 1) {
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RErrorCode = RERR_BADIMAGEFILE;
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goto bye;
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RErrorCode = RERR_BADIMAGEFILE;
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goto bye;
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}
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bptr = buffer[0] = (JSAMPROW)malloc(cinfo.image_width*cinfo.num_components);
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if (!buffer[0]) {
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RErrorCode = RERR_NOMEMORY;
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goto bye;
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RErrorCode = RERR_NOMEMORY;
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goto bye;
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}
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if(cinfo.jpeg_color_space==JCS_GRAYSCALE) {
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cinfo.out_color_space=JCS_GRAYSCALE;
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cinfo.out_color_space=JCS_GRAYSCALE;
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} else
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cinfo.out_color_space = JCS_RGB;
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cinfo.quantize_colors = FALSE;
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@@ -154,62 +154,63 @@ RLoadJPEG(RContext *context, char *file_name, int index)
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jpeg_calc_output_dimensions(&cinfo);
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if (context->flags.optimize_for_speed)
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image = RCreateImage(cinfo.image_width, cinfo.image_height, True);
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image = RCreateImage(cinfo.image_width, cinfo.image_height, True);
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else
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image = RCreateImage(cinfo.image_width, cinfo.image_height, False);
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image = RCreateImage(cinfo.image_width, cinfo.image_height, False);
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if (!image) {
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RErrorCode = RERR_NOMEMORY;
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goto bye;
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RErrorCode = RERR_NOMEMORY;
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goto bye;
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}
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jpeg_start_decompress(&cinfo);
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ptr = image->data;
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if (cinfo.out_color_space==JCS_RGB) {
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if (context->flags.optimize_for_speed) {
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while (cinfo.output_scanline < cinfo.output_height) {
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jpeg_read_scanlines(&cinfo, buffer,(JDIMENSION) 1);
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bptr = buffer[0];
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for (i=0; i<cinfo.image_width; i++) {
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*ptr++ = *bptr++;
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*ptr++ = *bptr++;
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*ptr++ = *bptr++;
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ptr++; /* skip alpha channel */
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}
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}
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} else {
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while (cinfo.output_scanline < cinfo.output_height) {
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jpeg_read_scanlines(&cinfo, buffer,(JDIMENSION) 1);
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bptr = buffer[0];
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memcpy(ptr, bptr, cinfo.image_width*3);
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ptr += cinfo.image_width*3;
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}
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}
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if (context->flags.optimize_for_speed) {
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while (cinfo.output_scanline < cinfo.output_height) {
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jpeg_read_scanlines(&cinfo, buffer,(JDIMENSION) 1);
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bptr = buffer[0];
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for (i=0; i<cinfo.image_width; i++) {
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*ptr++ = *bptr++;
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*ptr++ = *bptr++;
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*ptr++ = *bptr++;
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ptr++; /* skip alpha channel */
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}
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}
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} else {
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while (cinfo.output_scanline < cinfo.output_height) {
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jpeg_read_scanlines(&cinfo, buffer,(JDIMENSION) 1);
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bptr = buffer[0];
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memcpy(ptr, bptr, cinfo.image_width*3);
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ptr += cinfo.image_width*3;
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}
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}
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} else {
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while (cinfo.output_scanline < cinfo.output_height) {
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jpeg_read_scanlines(&cinfo, buffer,(JDIMENSION) 1);
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bptr = buffer[0];
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for (i=0; i<cinfo.image_width; i++) {
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while (cinfo.output_scanline < cinfo.output_height) {
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jpeg_read_scanlines(&cinfo, buffer,(JDIMENSION) 1);
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bptr = buffer[0];
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for (i=0; i<cinfo.image_width; i++) {
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*ptr++ = *bptr;
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*ptr++ = *bptr;
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*ptr++ = *bptr++;
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}
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}
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}
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}
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}
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jpeg_finish_decompress(&cinfo);
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bye:
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bye:
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jpeg_destroy_decompress(&cinfo);
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fclose(file);
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if (buffer[0])
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free(buffer[0]);
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free(buffer[0]);
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return image;
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}
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#endif /* USE_JPEG */
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