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670 lines
20 KiB
C
670 lines
20 KiB
C
/*
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* Copyright 2000 Corel Corporation
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* Copyright 2006 Marcus Meissner
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* Copyright 2006 CodeWeavers, Aric Stewart
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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 Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include "wine/library.h"
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#include <stdarg.h>
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#include <stdio.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "twain.h"
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#include "gphoto2_i.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(twain);
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#ifdef HAVE_GPHOTO2
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static void *libjpeg_handle;
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#define MAKE_FUNCPTR(f) static typeof(f) * p##f
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MAKE_FUNCPTR(jpeg_std_error);
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MAKE_FUNCPTR(jpeg_CreateDecompress);
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MAKE_FUNCPTR(jpeg_read_header);
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MAKE_FUNCPTR(jpeg_start_decompress);
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MAKE_FUNCPTR(jpeg_read_scanlines);
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MAKE_FUNCPTR(jpeg_finish_decompress);
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MAKE_FUNCPTR(jpeg_destroy_decompress);
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#undef MAKE_FUNCPTR
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static void *load_libjpeg(void)
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{
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if((libjpeg_handle = wine_dlopen(SONAME_LIBJPEG, RTLD_NOW, NULL, 0)) != NULL) {
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#define LOAD_FUNCPTR(f) \
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if((p##f = wine_dlsym(libjpeg_handle, #f, NULL, 0)) == NULL) { \
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libjpeg_handle = NULL; \
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return NULL; \
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}
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LOAD_FUNCPTR(jpeg_std_error);
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LOAD_FUNCPTR(jpeg_CreateDecompress);
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LOAD_FUNCPTR(jpeg_read_header);
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LOAD_FUNCPTR(jpeg_start_decompress);
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LOAD_FUNCPTR(jpeg_read_scanlines);
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LOAD_FUNCPTR(jpeg_finish_decompress);
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LOAD_FUNCPTR(jpeg_destroy_decompress);
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#undef LOAD_FUNCPTR
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}
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return libjpeg_handle;
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}
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/* for the jpeg decompressor source manager. */
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static void _jpeg_init_source(j_decompress_ptr cinfo) { }
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static boolean _jpeg_fill_input_buffer(j_decompress_ptr cinfo) {
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ERR("(), should not get here.\n");
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return FALSE;
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}
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static void _jpeg_skip_input_data(j_decompress_ptr cinfo,long num_bytes) {
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TRACE("Skipping %ld bytes...\n", num_bytes);
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cinfo->src->next_input_byte += num_bytes;
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cinfo->src->bytes_in_buffer -= num_bytes;
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}
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static boolean _jpeg_resync_to_restart(j_decompress_ptr cinfo, int desired) {
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ERR("(desired=%d), should not get here.\n",desired);
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return FALSE;
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}
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static void _jpeg_term_source(j_decompress_ptr cinfo) { }
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#endif
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/* DG_IMAGE/DAT_CIECOLOR/MSG_GET */
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TW_UINT16 GPHOTO2_CIEColorGet (pTW_IDENTITY pOrigin,
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TW_MEMREF pData)
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{
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FIXME ("stub!\n");
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return TWRC_FAILURE;
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}
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/* DG_IMAGE/DAT_EXTIMAGEINFO/MSG_GET */
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TW_UINT16 GPHOTO2_ExtImageInfoGet (pTW_IDENTITY pOrigin,
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TW_MEMREF pData)
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{
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FIXME ("stub!\n");
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return TWRC_FAILURE;
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}
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/* DG_IMAGE/DAT_GRAYRESPONSE/MSG_RESET */
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TW_UINT16 GPHOTO2_GrayResponseReset (pTW_IDENTITY pOrigin,
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TW_MEMREF pData)
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{
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FIXME ("stub!\n");
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return TWRC_FAILURE;
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}
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/* DG_IMAGE/DAT_GRAYRESPONSE/MSG_SET */
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TW_UINT16 GPHOTO2_GrayResponseSet (pTW_IDENTITY pOrigin,
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TW_MEMREF pData)
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{
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FIXME ("stub!\n");
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return TWRC_FAILURE;
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}
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/* DG_IMAGE/DAT_IMAGEFILEXFER/MSG_GET */
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TW_UINT16 GPHOTO2_ImageFileXferGet (pTW_IDENTITY pOrigin,
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TW_MEMREF pData)
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{
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FIXME ("stub!\n");
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return TWRC_FAILURE;
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}
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#ifdef HAVE_GPHOTO2
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static TW_UINT16 _get_image_and_startup_jpeg(void) {
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const char *folder = NULL, *filename = NULL;
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struct gphoto2_file *file;
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const unsigned char *filedata;
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unsigned long filesize;
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int ret;
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if (activeDS.file) /* Already loaded. */
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return TWRC_SUCCESS;
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if(!libjpeg_handle) {
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if(!load_libjpeg()) {
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FIXME("Failed reading JPEG because unable to find %s\n", SONAME_LIBJPEG);
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filedata = NULL;
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return TWRC_FAILURE;
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}
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}
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LIST_FOR_EACH_ENTRY( file, &activeDS.files, struct gphoto2_file, entry ) {
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if (strstr(file->filename,".JPG") || strstr(file->filename,".jpg")) {
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filename = file->filename;
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folder = file->folder;
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TRACE("downloading %s/%s\n", folder, filename);
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if (file->download) {
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file->download = FALSE; /* mark as done */
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break;
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}
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}
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}
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gp_file_new (&activeDS.file);
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ret = gp_camera_file_get(activeDS.camera, folder, filename, GP_FILE_TYPE_NORMAL,
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activeDS.file, activeDS.context);
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if (ret < GP_OK) {
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FIXME("Failed to get file?\n");
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activeDS.twCC = TWCC_SEQERROR;
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return TWRC_FAILURE;
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}
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ret = gp_file_get_data_and_size (activeDS.file, (const char**)&filedata, &filesize);
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if (ret < GP_OK) {
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FIXME("Failed to get file data?\n");
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activeDS.twCC = TWCC_SEQERROR;
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return TWRC_FAILURE;
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}
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/* This is basically so we can use in-memory data for jpeg decompression.
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* We need to have all the functions.
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*/
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activeDS.xjsm.next_input_byte = filedata;
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activeDS.xjsm.bytes_in_buffer = filesize;
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activeDS.xjsm.init_source = _jpeg_init_source;
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activeDS.xjsm.fill_input_buffer = _jpeg_fill_input_buffer;
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activeDS.xjsm.skip_input_data = _jpeg_skip_input_data;
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activeDS.xjsm.resync_to_restart = _jpeg_resync_to_restart;
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activeDS.xjsm.term_source = _jpeg_term_source;
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activeDS.jd.err = pjpeg_std_error(&activeDS.jerr);
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/* jpeg_create_decompress is a macro that expands to jpeg_CreateDecompress - see jpeglib.h
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* jpeg_create_decompress(&jd); */
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pjpeg_CreateDecompress(&activeDS.jd, JPEG_LIB_VERSION, (size_t) sizeof(struct jpeg_decompress_struct));
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activeDS.jd.src = &activeDS.xjsm;
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ret=pjpeg_read_header(&activeDS.jd,TRUE);
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activeDS.jd.out_color_space = JCS_RGB;
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pjpeg_start_decompress(&activeDS.jd);
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if (ret != JPEG_HEADER_OK) {
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ERR("Jpeg image in stream has bad format, read header returned %d.\n",ret);
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gp_file_unref (activeDS.file);
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activeDS.file = NULL;
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return TWRC_FAILURE;
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}
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return TWRC_SUCCESS;
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}
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#endif
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/* DG_IMAGE/DAT_IMAGEINFO/MSG_GET */
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TW_UINT16 GPHOTO2_ImageInfoGet (pTW_IDENTITY pOrigin,
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TW_MEMREF pData)
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{
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#ifdef HAVE_GPHOTO2
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pTW_IMAGEINFO pImageInfo = (pTW_IMAGEINFO) pData;
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TRACE("DG_IMAGE/DAT_IMAGEINFO/MSG_GET\n");
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if (activeDS.currentState != 6 && activeDS.currentState != 7) {
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activeDS.twCC = TWCC_SEQERROR;
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return TWRC_FAILURE;
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}
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if (TWRC_SUCCESS != _get_image_and_startup_jpeg()) {
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FIXME("Failed to get an image\n");
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activeDS.twCC = TWCC_SEQERROR;
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return TWRC_FAILURE;
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}
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if (activeDS.currentState == 6)
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{
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/* return general image description information about the image about to be transferred */
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TRACE("Getting parameters\n");
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}
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TRACE("activeDS.jd.output_width = %d\n", activeDS.jd.output_width);
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TRACE("activeDS.jd.output_height = %d\n", activeDS.jd.output_height);
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pImageInfo->Compression = TWCP_NONE;
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pImageInfo->SamplesPerPixel = 3;
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pImageInfo->BitsPerSample[0]= 8;
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pImageInfo->BitsPerSample[1]= 8;
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pImageInfo->BitsPerSample[2]= 8;
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pImageInfo->PixelType = TWPT_RGB;
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pImageInfo->Planar = FALSE; /* R-G-B is chunky! */
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pImageInfo->XResolution.Whole = -1;
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pImageInfo->XResolution.Frac = 0;
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pImageInfo->YResolution.Whole = -1;
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pImageInfo->YResolution.Frac = 0;
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pImageInfo->ImageWidth = activeDS.jd.output_width;
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pImageInfo->ImageLength = activeDS.jd.output_height;
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pImageInfo->BitsPerPixel = 24;
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return TWRC_SUCCESS;
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#else
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return TWRC_FAILURE;
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#endif
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}
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/* DG_IMAGE/DAT_IMAGELAYOUT/MSG_GET */
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TW_UINT16 GPHOTO2_ImageLayoutGet (pTW_IDENTITY pOrigin,
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TW_MEMREF pData)
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{
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FIXME ("stub!\n");
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return TWRC_FAILURE;
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}
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/* DG_IMAGE/DAT_IMAGELAYOUT/MSG_GETDEFAULT */
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TW_UINT16 GPHOTO2_ImageLayoutGetDefault (pTW_IDENTITY pOrigin,
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TW_MEMREF pData)
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{
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FIXME ("stub!\n");
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return TWRC_FAILURE;
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}
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/* DG_IMAGE/DAT_IMAGELAYOUT/MSG_RESET */
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TW_UINT16 GPHOTO2_ImageLayoutReset (pTW_IDENTITY pOrigin,
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TW_MEMREF pData)
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{
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FIXME ("stub!\n");
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return TWRC_FAILURE;
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}
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/* DG_IMAGE/DAT_IMAGELAYOUT/MSG_SET */
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TW_UINT16 GPHOTO2_ImageLayoutSet (pTW_IDENTITY pOrigin,
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TW_MEMREF pData)
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{
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FIXME ("stub!\n");
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return TWRC_FAILURE;
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}
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/* DG_IMAGE/DAT_IMAGEMEMXFER/MSG_GET */
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TW_UINT16 GPHOTO2_ImageMemXferGet (pTW_IDENTITY pOrigin,
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TW_MEMREF pData)
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{
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#ifdef HAVE_GPHOTO2
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TW_UINT16 twRC = TWRC_SUCCESS;
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pTW_IMAGEMEMXFER pImageMemXfer = (pTW_IMAGEMEMXFER) pData;
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LPBYTE buffer;
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int readrows;
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unsigned int curoff;
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TRACE ("DG_IMAGE/DAT_IMAGEMEMXFER/MSG_GET\n");
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if (activeDS.currentState < 6 || activeDS.currentState > 7) {
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activeDS.twCC = TWCC_SEQERROR;
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return TWRC_FAILURE;
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}
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TRACE("pImageMemXfer.Compression is %d\n", pImageMemXfer->Compression);
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if (activeDS.currentState == 6) {
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if (TWRC_SUCCESS != _get_image_and_startup_jpeg()) {
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FIXME("Failed to get an image\n");
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activeDS.twCC = TWCC_SEQERROR;
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return TWRC_FAILURE;
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}
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if (!activeDS.progressWnd)
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activeDS.progressWnd = TransferringDialogBox(NULL,0);
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TransferringDialogBox(activeDS.progressWnd,0);
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activeDS.currentState = 7;
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} else {
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if (!activeDS.file) {
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activeDS.twCC = TWRC_SUCCESS;
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return TWRC_XFERDONE;
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}
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}
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if (pImageMemXfer->Memory.Flags & TWMF_HANDLE) {
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FIXME("Memory Handle, may not be locked correctly\n");
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buffer = LocalLock(pImageMemXfer->Memory.TheMem);
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} else
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buffer = pImageMemXfer->Memory.TheMem;
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memset(buffer,0,pImageMemXfer->Memory.Length);
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curoff = 0; readrows = 0;
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pImageMemXfer->YOffset = activeDS.jd.output_scanline;
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pImageMemXfer->XOffset = 0; /* we do whole strips */
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while ((activeDS.jd.output_scanline<activeDS.jd.output_height) &&
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((pImageMemXfer->Memory.Length - curoff) > activeDS.jd.output_width*activeDS.jd.output_components)
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) {
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JSAMPROW row = buffer+curoff;
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int x = pjpeg_read_scanlines(&activeDS.jd,&row,1);
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if (x != 1) {
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FIXME("failed to read current scanline?\n");
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break;
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}
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readrows++;
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curoff += activeDS.jd.output_width*activeDS.jd.output_components;
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}
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pImageMemXfer->Compression = TWCP_NONE;
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pImageMemXfer->BytesPerRow = activeDS.jd.output_components * activeDS.jd.output_width;
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pImageMemXfer->Rows = readrows;
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pImageMemXfer->Columns = activeDS.jd.output_width; /* we do whole strips */
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pImageMemXfer->BytesWritten = curoff;
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TransferringDialogBox(activeDS.progressWnd,0);
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if (activeDS.jd.output_scanline == activeDS.jd.output_height) {
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pjpeg_finish_decompress(&activeDS.jd);
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pjpeg_destroy_decompress(&activeDS.jd);
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gp_file_unref (activeDS.file);
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activeDS.file = NULL;
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TRACE("xfer is done!\n");
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/*TransferringDialogBox(activeDS.progressWnd, -1);*/
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twRC = TWRC_XFERDONE;
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}
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activeDS.twCC = TWRC_SUCCESS;
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if (pImageMemXfer->Memory.Flags & TWMF_HANDLE)
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LocalUnlock(pImageMemXfer->Memory.TheMem);
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return twRC;
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#else
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return TWRC_FAILURE;
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#endif
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}
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/* DG_IMAGE/DAT_IMAGENATIVEXFER/MSG_GET */
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TW_UINT16 GPHOTO2_ImageNativeXferGet (pTW_IDENTITY pOrigin,
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TW_MEMREF pData)
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{
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#ifdef HAVE_GPHOTO2
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pTW_UINT32 pHandle = (pTW_UINT32) pData;
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HBITMAP hDIB;
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BITMAPINFO bmpInfo;
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LPBYTE bits;
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JSAMPROW samprow, oldsamprow;
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HDC dc;
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FIXME("DG_IMAGE/DAT_IMAGENATIVEXFER/MSG_GET: implemented, but expect program crash due to DIB.\n");
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/* NOTE NOTE NOTE NOTE NOTE NOTE NOTE
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*
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* While this is a mandatory transfer mode and this function
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* is correctly implemented and fully works, the calling program
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* will likely crash after calling.
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*
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* Reason is that there is a lot of example code that does:
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* bmpinfo = GlobalLock(hBITMAP); ... pointer access to bmpinfo
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*
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* Our current HBITMAP handles do not support getting GlobalLocked -> App Crash
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*
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* This needs a GDI Handle rewrite, at least for DIB sections.
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* - Marcus
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*/
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if (activeDS.currentState != 6) {
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activeDS.twCC = TWCC_SEQERROR;
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return TWRC_FAILURE;
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}
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if (TWRC_SUCCESS != _get_image_and_startup_jpeg()) {
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FIXME("Failed to get an image\n");
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activeDS.twCC = TWCC_OPERATIONERROR;
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return TWRC_FAILURE;
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}
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TRACE("Acquiring image %dx%dx%d bits from gphoto.\n",
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activeDS.jd.output_width, activeDS.jd.output_height,
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activeDS.jd.output_components*8);
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ZeroMemory (&bmpInfo, sizeof (BITMAPINFO));
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bmpInfo.bmiHeader.biSize = sizeof (BITMAPINFOHEADER);
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bmpInfo.bmiHeader.biWidth = activeDS.jd.output_width;
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bmpInfo.bmiHeader.biHeight = -activeDS.jd.output_height;
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bmpInfo.bmiHeader.biPlanes = 1;
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bmpInfo.bmiHeader.biBitCount = activeDS.jd.output_components*8;
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bmpInfo.bmiHeader.biCompression = BI_RGB;
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bmpInfo.bmiHeader.biSizeImage = 0;
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bmpInfo.bmiHeader.biXPelsPerMeter = 0;
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bmpInfo.bmiHeader.biYPelsPerMeter = 0;
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bmpInfo.bmiHeader.biClrUsed = 0;
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bmpInfo.bmiHeader.biClrImportant = 0;
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hDIB = CreateDIBSection ((dc = GetDC(activeDS.hwndOwner)), &bmpInfo,
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DIB_RGB_COLORS, (LPVOID)&bits, 0, 0);
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if (!hDIB) {
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FIXME("Failed creating DIB.\n");
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gp_file_unref (activeDS.file);
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activeDS.file = NULL;
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activeDS.twCC = TWCC_LOWMEMORY;
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return TWRC_FAILURE;
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}
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samprow = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,activeDS.jd.output_width*activeDS.jd.output_components);
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oldsamprow = samprow;
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while ( activeDS.jd.output_scanline<activeDS.jd.output_height ) {
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int i, x = pjpeg_read_scanlines(&activeDS.jd,&samprow,1);
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if (x != 1) {
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FIXME("failed to read current scanline?\n");
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break;
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}
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/* We have to convert from RGB to BGR, see MSDN/ BITMAPINFOHEADER */
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for(i=0;i<activeDS.jd.output_width;i++,samprow+=activeDS.jd.output_components) {
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*(bits++) = *(samprow+2);
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*(bits++) = *(samprow+1);
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*(bits++) = *(samprow);
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}
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bits = (LPBYTE)(((UINT_PTR)bits + 3) & ~3);
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samprow = oldsamprow;
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}
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HeapFree (GetProcessHeap(), 0, samprow);
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gp_file_unref (activeDS.file);
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activeDS.file = NULL;
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ReleaseDC (activeDS.hwndOwner, dc);
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*pHandle = (UINT_PTR)hDIB;
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activeDS.twCC = TWCC_SUCCESS;
|
|
activeDS.currentState = 7;
|
|
return TWRC_XFERDONE;
|
|
#else
|
|
return TWRC_FAILURE;
|
|
#endif
|
|
}
|
|
|
|
/* DG_IMAGE/DAT_JPEGCOMPRESSION/MSG_GET */
|
|
TW_UINT16 GPHOTO2_JPEGCompressionGet (pTW_IDENTITY pOrigin,
|
|
TW_MEMREF pData)
|
|
{
|
|
FIXME ("stub!\n");
|
|
|
|
return TWRC_FAILURE;
|
|
}
|
|
|
|
/* DG_IMAGE/DAT_JPEGCOMPRESSION/MSG_GETDEFAULT */
|
|
TW_UINT16 GPHOTO2_JPEGCompressionGetDefault (pTW_IDENTITY pOrigin,
|
|
|
|
TW_MEMREF pData)
|
|
{
|
|
FIXME ("stub!\n");
|
|
|
|
return TWRC_FAILURE;
|
|
}
|
|
|
|
/* DG_IMAGE/DAT_JPEGCOMPRESSION/MSG_RESET */
|
|
TW_UINT16 GPHOTO2_JPEGCompressionReset (pTW_IDENTITY pOrigin,
|
|
TW_MEMREF pData)
|
|
{
|
|
FIXME ("stub!\n");
|
|
|
|
return TWRC_FAILURE;
|
|
}
|
|
|
|
/* DG_IMAGE/DAT_JPEGCOMPRESSION/MSG_SET */
|
|
TW_UINT16 GPHOTO2_JPEGCompressionSet (pTW_IDENTITY pOrigin,
|
|
TW_MEMREF pData)
|
|
{
|
|
FIXME ("stub!\n");
|
|
|
|
return TWRC_FAILURE;
|
|
}
|
|
|
|
/* DG_IMAGE/DAT_PALETTE8/MSG_GET */
|
|
TW_UINT16 GPHOTO2_Palette8Get (pTW_IDENTITY pOrigin,
|
|
TW_MEMREF pData)
|
|
{
|
|
FIXME ("stub!\n");
|
|
|
|
return TWRC_FAILURE;
|
|
}
|
|
|
|
/* DG_IMAGE/DAT_PALETTE8/MSG_GETDEFAULT */
|
|
TW_UINT16 GPHOTO2_Palette8GetDefault (pTW_IDENTITY pOrigin,
|
|
TW_MEMREF pData)
|
|
{
|
|
FIXME ("stub!\n");
|
|
|
|
return TWRC_FAILURE;
|
|
}
|
|
|
|
/* DG_IMAGE/DAT_PALETTE8/MSG_RESET */
|
|
TW_UINT16 GPHOTO2_Palette8Reset (pTW_IDENTITY pOrigin,
|
|
TW_MEMREF pData)
|
|
{
|
|
FIXME ("stub!\n");
|
|
|
|
return TWRC_FAILURE;
|
|
}
|
|
|
|
/* DG_IMAGE/DAT_PALETTE8/MSG_SET */
|
|
TW_UINT16 GPHOTO2_Palette8Set (pTW_IDENTITY pOrigin,
|
|
TW_MEMREF pData)
|
|
{
|
|
FIXME ("stub!\n");
|
|
|
|
return TWRC_FAILURE;
|
|
}
|
|
|
|
/* DG_IMAGE/DAT_RGBRESPONSE/MSG_RESET */
|
|
TW_UINT16 GPHOTO2_RGBResponseReset (pTW_IDENTITY pOrigin,
|
|
TW_MEMREF pData)
|
|
{
|
|
FIXME ("stub!\n");
|
|
|
|
return TWRC_FAILURE;
|
|
}
|
|
|
|
/* DG_IMAGE/DAT_RGBRESPONSE/MSG_SET */
|
|
TW_UINT16 GPHOTO2_RGBResponseSet (pTW_IDENTITY pOrigin,
|
|
TW_MEMREF pData)
|
|
{
|
|
FIXME ("stub!\n");
|
|
|
|
return TWRC_FAILURE;
|
|
}
|
|
|
|
#ifdef HAVE_GPHOTO2
|
|
TW_UINT16
|
|
_get_gphoto2_file_as_DIB(
|
|
const char *folder, const char *filename, CameraFileType type,
|
|
HWND hwnd, HBITMAP *hDIB
|
|
) {
|
|
const unsigned char *filedata;
|
|
unsigned long filesize;
|
|
int ret;
|
|
CameraFile *file;
|
|
struct jpeg_source_mgr xjsm;
|
|
struct jpeg_decompress_struct jd;
|
|
struct jpeg_error_mgr jerr;
|
|
HDC dc;
|
|
BITMAPINFO bmpInfo;
|
|
LPBYTE bits;
|
|
JSAMPROW samprow, oldsamprow;
|
|
|
|
if(!libjpeg_handle) {
|
|
if(!load_libjpeg()) {
|
|
FIXME("Failed reading JPEG because unable to find %s\n", SONAME_LIBJPEG);
|
|
filedata = NULL;
|
|
return TWRC_FAILURE;
|
|
}
|
|
}
|
|
|
|
gp_file_new (&file);
|
|
ret = gp_camera_file_get(activeDS.camera, folder, filename, type, file, activeDS.context);
|
|
if (ret < GP_OK) {
|
|
FIXME("Failed to get file?\n");
|
|
gp_file_unref (file);
|
|
return TWRC_FAILURE;
|
|
}
|
|
ret = gp_file_get_data_and_size (file, (const char**)&filedata, &filesize);
|
|
if (ret < GP_OK) {
|
|
FIXME("Failed to get file data?\n");
|
|
return TWRC_FAILURE;
|
|
}
|
|
|
|
/* FIXME: Actually we might get other types than JPEG ... But only handle JPEG for now */
|
|
if (filedata[0] != 0xff) {
|
|
ERR("File %s/%s might not be JPEG, cannot decode!\n", folder, filename);
|
|
}
|
|
|
|
/* This is basically so we can use in-memory data for jpeg decompression.
|
|
* We need to have all the functions.
|
|
*/
|
|
xjsm.next_input_byte = filedata;
|
|
xjsm.bytes_in_buffer = filesize;
|
|
xjsm.init_source = _jpeg_init_source;
|
|
xjsm.fill_input_buffer = _jpeg_fill_input_buffer;
|
|
xjsm.skip_input_data = _jpeg_skip_input_data;
|
|
xjsm.resync_to_restart = _jpeg_resync_to_restart;
|
|
xjsm.term_source = _jpeg_term_source;
|
|
|
|
jd.err = pjpeg_std_error(&jerr);
|
|
/* jpeg_create_decompress is a macro that expands to jpeg_CreateDecompress - see jpeglib.h
|
|
* jpeg_create_decompress(&jd); */
|
|
pjpeg_CreateDecompress(&jd, JPEG_LIB_VERSION, (size_t) sizeof(struct jpeg_decompress_struct));
|
|
jd.src = &xjsm;
|
|
ret=pjpeg_read_header(&jd,TRUE);
|
|
jd.out_color_space = JCS_RGB;
|
|
pjpeg_start_decompress(&jd);
|
|
if (ret != JPEG_HEADER_OK) {
|
|
ERR("Jpeg image in stream has bad format, read header returned %d.\n",ret);
|
|
gp_file_unref (file);
|
|
return TWRC_FAILURE;
|
|
}
|
|
|
|
ZeroMemory (&bmpInfo, sizeof (BITMAPINFO));
|
|
bmpInfo.bmiHeader.biSize = sizeof (BITMAPINFOHEADER);
|
|
bmpInfo.bmiHeader.biWidth = jd.output_width;
|
|
bmpInfo.bmiHeader.biHeight = -jd.output_height;
|
|
bmpInfo.bmiHeader.biPlanes = 1;
|
|
bmpInfo.bmiHeader.biBitCount = jd.output_components*8;
|
|
bmpInfo.bmiHeader.biCompression = BI_RGB;
|
|
bmpInfo.bmiHeader.biSizeImage = 0;
|
|
bmpInfo.bmiHeader.biXPelsPerMeter = 0;
|
|
bmpInfo.bmiHeader.biYPelsPerMeter = 0;
|
|
bmpInfo.bmiHeader.biClrUsed = 0;
|
|
bmpInfo.bmiHeader.biClrImportant = 0;
|
|
*hDIB = CreateDIBSection ((dc = GetDC(hwnd)), &bmpInfo, DIB_RGB_COLORS, (LPVOID)&bits, 0, 0);
|
|
if (!*hDIB) {
|
|
FIXME("Failed creating DIB.\n");
|
|
gp_file_unref (file);
|
|
return TWRC_FAILURE;
|
|
}
|
|
samprow = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,jd.output_width*jd.output_components);
|
|
oldsamprow = samprow;
|
|
while ( jd.output_scanline<jd.output_height ) {
|
|
int i, x = pjpeg_read_scanlines(&jd,&samprow,1);
|
|
if (x != 1) {
|
|
FIXME("failed to read current scanline?\n");
|
|
break;
|
|
}
|
|
/* We have to convert from RGB to BGR, see MSDN/ BITMAPINFOHEADER */
|
|
for(i=0;i<jd.output_width;i++,samprow+=jd.output_components) {
|
|
*(bits++) = *(samprow+2);
|
|
*(bits++) = *(samprow+1);
|
|
*(bits++) = *(samprow);
|
|
}
|
|
bits = (LPBYTE)(((UINT_PTR)bits + 3) & ~3);
|
|
samprow = oldsamprow;
|
|
}
|
|
if (hwnd) ReleaseDC (hwnd, dc);
|
|
HeapFree (GetProcessHeap(), 0, samprow);
|
|
gp_file_unref (file);
|
|
return TWRC_SUCCESS;
|
|
}
|
|
#endif
|