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make jpg decode faster

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侯歌 2024-05-11 15:22:30 +08:00
parent e03e9fd8de
commit ad41f9cac3
1 changed files with 3 additions and 2 deletions
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5
src/gui/cairomm/cairo_jpg.cc
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@ -213,7 +213,7 @@ cairo_status_t cairo_image_surface_write_to_jpeg_mem(cairo_surface_t *sfc, unsig
cinfo.in_color_space = cairo_image_surface_get_format(sfc) == CAIRO_FORMAT_ARGB32 ? JCS_EXT_ARGB : JCS_EXT_XRGB;
#endif
cinfo.input_components = 4;
#else
#else//LIBJPEG_TURBO_VERSION
cinfo.in_color_space = JCS_RGB;
cinfo.input_components = 3;
#endif
@ -368,7 +368,7 @@ cairo_surface_t *cairo_image_surface_create_from_jpeg_stdstream(std::istream&is)
// start decompressor
(void) jpeg_start_decompress(&cinfo);
// create Cairo image surface
sfc = cairo_image_surface_create(CAIRO_FORMAT_RGB24, cinfo.output_width, cinfo.output_height);
sfc = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, cinfo.output_width, cinfo.output_height);
if (cairo_surface_status(sfc) != CAIRO_STATUS_SUCCESS) {
jpeg_destroy_decompress(&cinfo);
return sfc;
@ -449,6 +449,7 @@ cairo_surface_t *cairo_image_surface_create_from_turbojpeg_stdstream(std::istrea
TJPF_RGBX,TJFLAG_FASTDCT);
#endif
decend:
cairo_surface_set_mime_data(sfc, CAIRO_MIME_TYPE_JPEG, NULL, 0, NULL,NULL);
if(handle)tjDestroy(handle);
if(buffer)free(buffer);
return sfc;