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gdk-pixbuf-2.30.x.patch
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gdk-pixbuf-2.30.x.patch
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header files pached for introspection workaround
makefile and other extra io-[format] sources are awfully merged from third party developers/library
note: there is thumbnailing issue when using libtiff so it's avoided otherwise libjpeg is waaay faster than gdiplus
--- gdk-pixbuf/gdk-pixbuf-animation.h Thu Mar 06 11:36:45 2014
+++ gdk-pixbuf/gdk-pixbuf-animation.h Wed May 28 10:48:29 2014
@@ -62,12 +62,6 @@
GType gdk_pixbuf_animation_get_type (void) G_GNUC_CONST;
-#ifndef __GTK_DOC_IGNORE__
-#ifdef G_OS_WIN32
-#define gdk_pixbuf_animation_new_from_file gdk_pixbuf_animation_new_from_file_utf8
-#endif
-#endif
-
GdkPixbufAnimation *gdk_pixbuf_animation_new_from_file (const char *filename,
GError **error);
GdkPixbufAnimation *gdk_pixbuf_animation_new_from_stream (GInputStream *stream,
@@ -81,6 +75,16 @@
GError **error);
GdkPixbufAnimation *gdk_pixbuf_animation_new_from_resource(const char *resource_path,
GError **error);
+
+#ifndef __GTK_DOC_IGNORE__
+#ifdef G_OS_WIN32
+#define gdk_pixbuf_animation_new_from_file gdk_pixbuf_animation_new_from_file_utf8
+
+GdkPixbufAnimation *gdk_pixbuf_animation_new_from_file_utf8 (const char *filename,
+ GError **error);
+
+#endif
+#endif
#ifndef GDK_PIXBUF_DISABLE_DEPRECATED
G_DEPRECATED_FOR(g_object_ref)
--- gdk-pixbuf/gdk-pixbuf-core.h Sat Mar 15 04:09:46 2014
+++ gdk-pixbuf/gdk-pixbuf-core.h Wed May 28 10:48:29 2014
@@ -261,15 +261,6 @@
/* Simple loading */
-#ifndef __GTK_DOC_IGNORE__
-#ifdef G_OS_WIN32
-/* DLL ABI stability hack. */
-#define gdk_pixbuf_new_from_file gdk_pixbuf_new_from_file_utf8
-#define gdk_pixbuf_new_from_file_at_size gdk_pixbuf_new_from_file_at_size_utf8
-#define gdk_pixbuf_new_from_file_at_scale gdk_pixbuf_new_from_file_at_scale_utf8
-#endif
-#endif
-
GdkPixbuf *gdk_pixbuf_new_from_file (const char *filename,
GError **error);
GdkPixbuf *gdk_pixbuf_new_from_file_at_size (const char *filename,
@@ -303,33 +294,69 @@
const guint8 *data,
gboolean copy_pixels,
GError **error);
-
+
+#ifndef __GTK_DOC_IGNORE__
+#ifdef G_OS_WIN32
+/* DLL ABI stability hack. */
+#define gdk_pixbuf_new_from_file gdk_pixbuf_new_from_file_utf8
+#define gdk_pixbuf_new_from_file_at_size gdk_pixbuf_new_from_file_at_size_utf8
+#define gdk_pixbuf_new_from_file_at_scale gdk_pixbuf_new_from_file_at_scale_utf8
+
+GdkPixbuf *gdk_pixbuf_new_from_file_utf8 (const char *filename,
+ GError **error);
+GdkPixbuf *gdk_pixbuf_new_from_file_at_size_utf8 (const char *filename,
+ int width,
+ int height,
+ GError **error);
+GdkPixbuf *gdk_pixbuf_new_from_file_at_scale_utf8 (const char *filename,
+ int width,
+ int height,
+ gboolean preserve_aspect_ratio,
+ GError **error);
+
+#endif
+#endif
+
/* Mutations */
void gdk_pixbuf_fill (GdkPixbuf *pixbuf,
guint32 pixel);
/* Saving */
+gboolean gdk_pixbuf_save (GdkPixbuf *pixbuf,
+ const char *filename,
+ const char *type,
+ GError **error,
+ ...) G_GNUC_NULL_TERMINATED;
+
+gboolean gdk_pixbuf_savev (GdkPixbuf *pixbuf,
+ const char *filename,
+ const char *type,
+ char **option_keys,
+ char **option_values,
+ GError **error);
+
#ifndef __GTK_DOC_IGNORE__
#ifdef G_OS_WIN32
/* DLL ABI stability hack. */
#define gdk_pixbuf_save gdk_pixbuf_save_utf8
#define gdk_pixbuf_savev gdk_pixbuf_savev_utf8
-#endif
-#endif
-gboolean gdk_pixbuf_save (GdkPixbuf *pixbuf,
+gboolean gdk_pixbuf_save_utf8 (GdkPixbuf *pixbuf,
const char *filename,
const char *type,
GError **error,
...) G_GNUC_NULL_TERMINATED;
-gboolean gdk_pixbuf_savev (GdkPixbuf *pixbuf,
+gboolean gdk_pixbuf_savev_utf8 (GdkPixbuf *pixbuf,
const char *filename,
const char *type,
char **option_keys,
char **option_values,
GError **error);
+
+#endif
+#endif
/* Saving to a callback function */
--- gdk-pixbuf/gdk-pixbuf-io.c Tue May 27 07:32:33 2014
+++ gdk-pixbuf/gdk-pixbuf-io.c Wed May 28 10:48:40 2014
@@ -193,7 +193,9 @@
/* DllMain function needed to tuck away the gdk-pixbuf DLL handle */
-static HMODULE gdk_pixbuf_dll;
+static HMODULE gdk_pixbuf_dll = NULL;
+
+#ifdef DLL_EXPORT
BOOL WINAPI
DllMain (HINSTANCE hinstDLL,
@@ -209,6 +211,8 @@
return TRUE;
}
+#endif
+
char *
_gdk_pixbuf_win32_get_toplevel (void)
{
@@ -447,6 +451,18 @@
#ifdef INCLUDE_jasper
load_one_builtin_module (jasper);
#endif
+#ifdef INCLUDE_svg
+ load_one_builtin_module (svg);
+#endif
+#ifdef INCLUDE_webp
+ load_one_builtin_module (webp);
+#endif
+#ifdef INCLUDE_psd
+ load_one_builtin_module (psd);
+#endif
+#ifdef INCLUDE_openraw
+ load_one_builtin_module (openraw);
+#endif
#ifdef INCLUDE_qtif
load_one_builtin_module (qtif);
#endif
@@ -459,9 +475,13 @@
load_one_builtin_module (emf);
load_one_builtin_module (bmp);
load_one_builtin_module (gif);
+#ifndef INCLUDE_jpeg
load_one_builtin_module (jpeg);
+#endif
+#ifndef INCLUDE_tiff
load_one_builtin_module (tiff);
#endif
+#endif
#ifdef INCLUDE_gdip_png
/* Except the gdip-png loader which normally isn't built at all even */
load_one_builtin_module (png);
@@ -648,6 +668,10 @@
module (pcx);
module (icns);
module (jasper);
+module (svg);
+module (webp);
+module (psd);
+module (openraw);
module (qtif);
module (gdip_ico);
module (gdip_wmf);
@@ -730,6 +754,18 @@
#ifdef INCLUDE_jasper
try_module (jasper,jasper);
#endif
+#ifdef INCLUDE_svg
+ try_module (svg,svg);
+#endif
+#ifdef INCLUDE_webp
+ try_module (webp,webp);
+#endif
+#ifdef INCLUDE_psd
+ try_module (psd,psd);
+#endif
+#ifdef INCLUDE_openraw
+ try_module (openraw,openraw);
+#endif
#ifdef INCLUDE_qtif
try_module (qtif,qtif);
#endif
@@ -739,8 +775,12 @@
try_module (emf,gdip_emf);
try_module (bmp,gdip_bmp);
try_module (gif,gdip_gif);
+#ifndef INCLUDE_jpeg
try_module (jpeg,gdip_jpeg);
+#endif
+#ifndef INCLUDE_tiff
try_module (tiff,gdip_tiff);
+#endif
#endif
#ifdef INCLUDE_gdip_png
try_module (png,gdip_png);
--- gdk-pixbuf/io-openraw.c Mon Jan 26 14:12:06 2015
+++ gdk-pixbuf/io-openraw.c Wed May 28 10:48:42 2014
@@ -0,0 +1,397 @@
+/*
+ * libopenraw - gdkpixbuf.c
+ *
+ * Copyright (C) 2006-2007 Hubert Figuiere
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+/** @brief gdkpixbuf support */
+
+#include <stdlib.h>
+#include <string.h>
+#include <glib.h>
+#define GDK_PIXBUF_ENABLE_BACKEND
+#include <gdk-pixbuf/gdk-pixbuf-io.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <libopenraw/thumbnails.h>
+#include <libopenraw/rawfile.h>
+#include <libopenraw-gnome/gdkpixbuf.h>
+#include <libopenraw/libopenraw.h>
+#undef GDK_PIXBUF_ENABLE_BACKEND
+
+static void pixbuf_free(guchar * data, gpointer u)
+{
+ (void)u;
+ free(data);
+}
+
+
+static GdkPixbuf *rotate_pixbuf(GdkPixbuf *tmp, int32_t orientation)
+{
+ GdkPixbuf *pixbuf = NULL;
+ switch(orientation) {
+ case 0:
+ case 1:
+ pixbuf = tmp;
+ break;
+ case 2:
+ pixbuf = gdk_pixbuf_flip(tmp, TRUE);
+ gdk_pixbuf_unref(tmp);
+ break;
+ case 3:
+ pixbuf = gdk_pixbuf_rotate_simple(tmp, GDK_PIXBUF_ROTATE_UPSIDEDOWN);
+ gdk_pixbuf_unref(tmp);
+ break;
+ case 4:
+ pixbuf = gdk_pixbuf_rotate_simple(tmp, GDK_PIXBUF_ROTATE_UPSIDEDOWN);
+ gdk_pixbuf_unref(tmp);
+ tmp = pixbuf;
+ pixbuf = gdk_pixbuf_flip(tmp, TRUE);
+ gdk_pixbuf_unref(tmp);
+ break;
+ case 5:
+ pixbuf = gdk_pixbuf_rotate_simple(tmp, GDK_PIXBUF_ROTATE_CLOCKWISE);
+ gdk_pixbuf_unref(tmp);
+ tmp = pixbuf;
+ pixbuf = gdk_pixbuf_flip(tmp, FALSE);
+ gdk_pixbuf_unref(tmp);
+ break;
+ case 6:
+ pixbuf = gdk_pixbuf_rotate_simple(tmp, GDK_PIXBUF_ROTATE_CLOCKWISE);
+ gdk_pixbuf_unref(tmp);
+ break;
+ case 7:
+ pixbuf = gdk_pixbuf_rotate_simple(tmp, GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE);
+ gdk_pixbuf_unref(tmp);
+ tmp = pixbuf;
+ pixbuf = gdk_pixbuf_flip(tmp, FALSE);
+ gdk_pixbuf_unref(tmp);
+ break;
+ case 8:
+ pixbuf = gdk_pixbuf_rotate_simple(tmp, GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE);
+ gdk_pixbuf_unref(tmp);
+ break;
+ default:
+ break;
+ }
+ return pixbuf;
+}
+
+
+static GdkPixbuf *_or_thumbnail_to_pixbuf(ORThumbnailRef thumbnail,
+ int32_t orientation)
+{
+ GdkPixbuf *tmp = NULL;
+
+ const guchar * buf;
+ or_data_type format = or_thumbnail_format(thumbnail);
+ buf = (const guchar *)or_thumbnail_data(thumbnail);
+
+ switch (format)
+ {
+ case OR_DATA_TYPE_PIXMAP_8RGB:
+ {
+ uint32_t x, y;
+ size_t buf_size;
+ guchar * data;
+
+ buf_size = or_thumbnail_data_size(thumbnail);
+ data = (guchar*)malloc(buf_size);
+ memcpy(data, buf, buf_size);
+ or_thumbnail_dimensions(thumbnail, &x, &y);
+
+ tmp = gdk_pixbuf_new_from_data(data,
+ GDK_COLORSPACE_RGB,
+ FALSE, 8, x, y, x * 3,
+ pixbuf_free, NULL);
+ break;
+ }
+ case OR_DATA_TYPE_JPEG:
+ case OR_DATA_TYPE_TIFF:
+ case OR_DATA_TYPE_PNG:
+ {
+ GdkPixbufLoader *loader = NULL;
+ size_t count = or_thumbnail_data_size(thumbnail);
+ loader = gdk_pixbuf_loader_new();
+ if (loader != NULL) {
+ gdk_pixbuf_loader_write(loader, buf, count, NULL);
+ gdk_pixbuf_loader_close(loader, NULL);
+ tmp = gdk_pixbuf_loader_get_pixbuf(loader);
+ }
+ break;
+ }
+ default:
+ break;
+ }
+ return rotate_pixbuf(tmp, orientation);
+}
+
+
+
+
+GdkPixbuf *or_thumbnail_to_pixbuf(ORThumbnailRef thumbnail)
+{
+ return _or_thumbnail_to_pixbuf(thumbnail, 0);
+}
+
+
+static GdkPixbuf *_or_gdkpixbuf_extract_thumbnail(const char *path,
+ uint32_t preferred_size,
+ gboolean rotate)
+{
+ ORRawFileRef rf;
+ int32_t orientation = 0;
+ GdkPixbuf *pixbuf = NULL;
+ or_error err = OR_ERROR_NONE;
+ ORThumbnailRef thumbnail = NULL;
+
+ rf = or_rawfile_new(path, OR_RAWFILE_TYPE_UNKNOWN);
+ if(rf) {
+ if(rotate) {
+ orientation = or_rawfile_get_orientation(rf);
+ }
+ thumbnail = or_thumbnail_new();
+ err = or_rawfile_get_thumbnail(rf, preferred_size,
+ thumbnail);
+ if (err == OR_ERROR_NONE) {
+ pixbuf = _or_thumbnail_to_pixbuf(thumbnail, orientation);
+ }
+ else {
+ g_debug("or_get_extract_thumbnail() failed with %d.", err);
+ }
+ err = or_thumbnail_release(thumbnail);
+ if (err != OR_ERROR_NONE) {
+ g_warning("or_thumbnail_release() failed with %d", err);
+ }
+ or_rawfile_release(rf);
+ }
+
+ return pixbuf;
+}
+
+
+
+GdkPixbuf *or_gdkpixbuf_extract_thumbnail(const char *path, uint32_t preferred_size)
+{
+ return _or_gdkpixbuf_extract_thumbnail(path, preferred_size, FALSE);
+}
+
+GdkPixbuf *or_gdkpixbuf_extract_rotated_thumbnail(const char *path, uint32_t preferred_size)
+{
+ return _or_gdkpixbuf_extract_thumbnail(path, preferred_size, TRUE);
+}
+
+/*
+ * libopenraw - pixbuf-loader.c
+ *
+ * Copyright (C) 2008 Hubert Figuiere
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+
+/** @brief gdkpixbuf loader for RAW files */
+#ifndef INCLUDE_openraw
+#define MODULE_ENTRY(function) G_MODULE_EXPORT void function
+#else
+#define MODULE_ENTRY(function) void _gdk_pixbuf__openraw_ ## function
+#endif
+
+static void pixbuf_free2(guchar * data, gpointer u)
+{
+ ORBitmapDataRef b = (ORBitmapDataRef)u;
+ (void)data;
+ or_bitmapdata_release(b);
+}
+
+#if 0
+static GdkPixbuf *
+gdk_pixbuf__or_image_load(FILE *f, GError **error)
+{
+ (void)f;
+ (void)error;
+ return NULL;
+}
+#endif
+
+
+typedef struct {
+ GdkPixbufModuleSizeFunc size_func;
+ GdkPixbufModulePreparedFunc prepared_func;
+ GdkPixbufModuleUpdatedFunc updated_func;
+ gpointer user_data;
+ GByteArray *data;
+} OrContext;
+
+static gpointer
+gdk_pixbuf__or_image_begin_load (GdkPixbufModuleSizeFunc size_func,
+ GdkPixbufModulePreparedFunc prepared_func,
+ GdkPixbufModuleUpdatedFunc updated_func,
+ gpointer user_data,
+ GError **error)
+{
+ OrContext *context = (OrContext*)calloc(1, sizeof(OrContext));
+
+ (void)error;
+
+ context->size_func = size_func;
+ context->prepared_func = prepared_func;
+ context->updated_func = updated_func;
+ context->user_data = user_data;
+ context->data = g_byte_array_new();
+
+ return (gpointer)context;
+}
+
+static gboolean
+gdk_pixbuf__or_image_load_increment (gpointer data,
+ const guchar *buf, guint size,
+ GError **error)
+{
+ OrContext *context = (OrContext*)data;
+ (void)error;
+ g_byte_array_append (context->data, buf, size);
+ return TRUE;
+}
+
+static gboolean
+gdk_pixbuf__or_image_stop_load (gpointer data, GError **error)
+{
+ OrContext *context = (OrContext*)data;
+ gboolean result = FALSE;
+
+ GdkPixbuf *pixbuf = NULL;
+ ORRawFileRef raw_file = NULL;
+ (void)error;
+
+ raw_file = or_rawfile_new_from_memory(context->data->data, context->data->len,
+ OR_DATA_TYPE_NONE);
+
+ if(raw_file) {
+ or_error err;
+ ORBitmapDataRef bitmapdata = or_bitmapdata_new();
+ err = or_rawfile_get_rendered_image(raw_file, bitmapdata, 0);
+ if(err == OR_ERROR_NONE) {
+ uint32_t x,y;
+ x = y = 0;
+ or_bitmapdata_dimensions(bitmapdata, &x, &y);
+ pixbuf = gdk_pixbuf_new_from_data(or_bitmapdata_data(bitmapdata),
+ GDK_COLORSPACE_RGB,
+ FALSE, 8, x, y,
+ (x - 2) * 3,
+ pixbuf_free2, bitmapdata);
+ }
+ or_rawfile_release(raw_file);
+
+ if (context->prepared_func != NULL) {
+ (*context->prepared_func) (pixbuf, NULL, context->user_data);
+ }
+ if (context->updated_func != NULL) {
+ (*context->updated_func) (pixbuf, 0, 0,
+ gdk_pixbuf_get_width(pixbuf),
+ gdk_pixbuf_get_height(pixbuf),
+ context->user_data);
+ }
+ result = TRUE;
+ }
+
+
+ g_byte_array_free(context->data, TRUE);
+ free(context);
+ return result;
+}
+
+MODULE_ENTRY (fill_vtable) (GdkPixbufModule *module)
+{
+ module->begin_load = gdk_pixbuf__or_image_begin_load;
+ module->stop_load = gdk_pixbuf__or_image_stop_load;
+ module->load_increment = gdk_pixbuf__or_image_load_increment;
+
+ module->load = NULL; /*gdk_pixbuf__or_image_load;*/
+}
+
+
+MODULE_ENTRY (fill_info) (GdkPixbufFormat *info)
+{
+ static GdkPixbufModulePattern signature[] = {
+ { "MM \x2a", " z ", 80 }, /* TIFF */
+ { "II\x2a \x10 CR\x02 ", " z zzz z", 100 }, /* CR2 */
+ { "II\x2a ", " z", 80 }, /* TIFF */
+ { "IIRO", " ", 100 }, /* ORF */
+ { " MRM", "z ", 100 }, /* MRW */
+ { "II\x1a HEAPCCDR", " zzz ", 100 }, /* CRW */
+ { NULL, NULL, 0 }
+ };
+
+ static gchar *mime_types[] = {
+ "image/x-adobe-dng",
+ "image/x-canon-cr2",
+ "image/x-canon-crw",
+ "image/x-nikon-nef",
+ "image/x-olympus-orf",
+ "image/x-pentax-pef",
+ "image/x-sony-arw",
+ "image/x-epson-erf",
+ "image/x-minolta-mrw",
+ NULL
+ };
+
+ static gchar *extensions[] = {
+ "dng",
+ "cr2",
+ "crw",
+ "nef",
+ "orf",
+ "pef",
+ "arw",
+ "erf",
+ "mrw",
+ NULL
+ };
+
+ info->name = "Digital camera RAW";
+ info->signature = signature;
+ info->description = "Digital camera RAW images loader.";
+ info->mime_types = mime_types;
+ info->extensions = extensions;
+ info->flags = 0;
+ info->license = "LGPL";
+}
+
+
+/*
+ Local Variables:
+ mode:c++
+ c-file-style:"stroustrup"
+ c-file-offsets:((innamespace . 0))
+ indent-tabs-mode:nil
+ fill-column:80
+ End:
+*/
+
+
--- gdk-pixbuf/io-psd.c Mon Jan 26 14:12:39 2015
+++ gdk-pixbuf/io-psd.c Wed May 28 10:48:42 2014
@@ -0,0 +1,598 @@
+/* -*- mode: C; c-file-style: "linux" -*- */
+/* GdkPixbuf library - PSD image loader
+ *
+ * Copyright (C) 2008 Jan Dudek
+ *
+ * Authors: Jan Dudek <jd@jandudek.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * TODO
+ * - use http://library.gnome.org/devel/glib/unstable/glib-Byte-Order-Macros.html
+ * - report errors from parse_psd_header
+ * - other color modes (CMYK at least)
+ * - i18n
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <gdk-pixbuf/gdk-pixbuf-io.h>
+#include <glib/gstdio.h>
+
+
+typedef struct
+{
+ guchar signature[4]; /* file ID, always "8BPS" */
+ guint16 version; /* version number, always 1 */
+ guchar resetved[6];
+ guint16 channels; /* number of color channels (1-24) */
+ guint32 rows; /* height of image in pixels (1-30000) */
+ guint32 columns; /* width of image in pixels (1-30000) */
+ guint16 depth; /* number of bits per channel (1, 8, and 16) */
+ guint16 color_mode; /* color mode as defined below */
+} PsdHeader;
+
+#define PSD_HEADER_SIZE 26
+
+typedef enum
+{
+ PSD_MODE_MONO = 0,
+ PSD_MODE_GRAYSCALE = 1,
+ PSD_MODE_INDEXED = 2,
+ PSD_MODE_RGB = 3,
+ PSD_MODE_CMYK = 4,
+ PSD_MODE_MULTICHANNEL = 7,
+ PSD_MODE_DUOTONE = 8,
+ PSD_MODE_LAB = 9,
+} PsdColorMode;
+
+typedef enum
+{
+ PSD_COMPRESSION_NONE = 0,
+ PSD_COMPRESSION_RLE = 1
+} PsdCompressionType;
+
+typedef enum
+{
+ PSD_STATE_HEADER,
+ PSD_STATE_COLOR_MODE_BLOCK,
+ PSD_STATE_RESOURCES_BLOCK,
+ PSD_STATE_LAYERS_BLOCK,
+ PSD_STATE_COMPRESSION,
+ PSD_STATE_LINES_LENGTHS,
+ PSD_STATE_CHANNEL_DATA,
+ PSD_STATE_DONE
+} PsdReadState;
+
+typedef struct
+{
+ PsdReadState state;
+
+ GdkPixbuf* pixbuf;
+
+ GdkPixbufModuleSizeFunc size_func;
+ GdkPixbufModuleUpdatedFunc updated_func;
+ GdkPixbufModulePreparedFunc prepared_func;
+ gpointer user_data;
+
+ guchar* buffer;
+ guint bytes_read;
+ guint32 bytes_to_skip;
+ gboolean bytes_to_skip_known;
+
+ guint32 width; /* width of image in pixels (1-30000) */
+ guint32 height; /* height of image in pixels (1-30000) */
+ guint16 channels; /* number of color channels (1-24) */
+ guint16 depth; /* number of bits per channel (1/8/16) */
+ PsdColorMode color_mode;
+ PsdCompressionType compression;
+
+ guchar** ch_bufs; /* channels buffers */
+ guint curr_ch; /* current channel */
+ guint curr_row;
+ guint pos; // redundant?
+ guint16* lines_lengths;
+ gboolean finalized;
+ gboolean use_alpha;
+} PsdContext;
+
+
+static guint16
+read_uint16 (guchar* buf)
+{
+ return (buf[0] << 8) | buf[1];
+}
+
+static guint32
+read_uint32 (guchar* buf)
+{
+ return (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
+}
+
+
+/*
+ * Parse Psdheader from buffer
+ *
+ * str is expected to be at least PSD_HEADER_SIZE long
+ */
+static PsdHeader
+psd_parse_header (guchar* str)
+{
+ PsdHeader hd;
+
+ memcpy(hd.signature, str, 4);
+ hd.version = read_uint16(str + 4);
+ hd.channels = read_uint16(str + 12);
+ hd.rows = read_uint32(str + 14);
+ hd.columns = read_uint32(str + 18);
+ hd.depth = read_uint16(str + 22);
+ hd.color_mode = read_uint16(str + 24);
+
+ return hd;
+}
+
+/*
+ * Attempts to read bytes_needed bytes from data and stores them in buffer.
+ *
+ * Returns true if there were enough bytes and false otherwise
+ * (which means we need to call feed_buffer again)
+ */
+static gboolean
+feed_buffer (guchar* buffer,
+ guint* bytes_read,
+ const guchar** data,
+ guint* size,
+ guint bytes_needed)
+{
+ gint how_many = bytes_needed - *bytes_read;
+ if (how_many > *size) {
+ how_many = *size;
+ }
+ memcpy(buffer + *bytes_read, *data, how_many);
+ *bytes_read += how_many;
+ *data += how_many;
+ *size -= how_many;
+ return (*bytes_read == bytes_needed);
+}
+
+/*
+ * Attempts to read size of the block and then skip this block.
+ *
+ * Returns true when finishes consuming block data, otherwise false
+ * (false means we need to call skip_block again)
+ */
+static gboolean
+skip_block (PsdContext* context, const guchar** data, guint* size)
+{
+ static guint counter;
+
+ if (!context->bytes_to_skip_known) {
+ context->bytes_read = 0;
+ if (feed_buffer(context->buffer, &context->bytes_read, data, size, 4)) {
+ context->bytes_to_skip = read_uint32(context->buffer);
+ context->bytes_to_skip_known = TRUE;
+ counter = 0;
+ } else {
+ return FALSE;
+ }
+ }
+ if (*size < context->bytes_to_skip) {
+ *data += *size;
+ context->bytes_to_skip -= *size;
+ counter += *size;
+ *size = 0;
+ return FALSE;
+ } else {
+ counter += context->bytes_to_skip;
+ *size -= context->bytes_to_skip;
+ *data += context->bytes_to_skip;
+ return TRUE;
+ }
+}
+
+/*
+ * Decodes RLE-compressed data
+ */
+static void
+decompress_line(const guchar* src, guint line_length, guchar* dest)
+{
+ guint16 bytes_read = 0;
+ while (bytes_read < line_length) {
+ gchar byte = src[bytes_read];
+ ++bytes_read;
+
+ if (byte == -128) {
+ continue;
+ } else if (byte > -1) {
+ gint count = byte + 1;
+
+ // copy next count bytes
+ for (int k = 0; k < count; ++k) {
+ *dest = src[bytes_read];
+ ++dest;
+ ++bytes_read;
+ }
+ } else {
+ gint count = -byte + 1;
+
+ // copy next byte count times
+ guchar next_byte = src[bytes_read];
+ ++bytes_read;
+ for (int k = 0; k < count; ++k) {
+ *dest = next_byte;
+ ++dest;
+ }
+ }
+ }
+}
+
+static void
+reset_context_buffer(PsdContext* ctx)
+{
+ ctx->bytes_read = 0;
+ ctx->bytes_to_skip = 0;
+ ctx->bytes_to_skip_known = FALSE;
+}
+
+static gpointer
+gdk_pixbuf__psd_image_begin_load (GdkPixbufModuleSizeFunc size_func,
+ GdkPixbufModulePreparedFunc prepared_func,
+ GdkPixbufModuleUpdatedFunc updated_func,
+ gpointer user_data,
+ GError **error)
+{
+ PsdContext* context = g_malloc(sizeof(PsdContext));
+ if (context == NULL) {
+ g_set_error (
+ error,
+ GDK_PIXBUF_ERROR,
+ GDK_PIXBUF_ERROR_INSUFFICIENT_MEMORY,
+ ("Not enough memory"));
+ return NULL;
+ }
+ context->size_func = size_func;
+ context->prepared_func = prepared_func;
+ context->updated_func = updated_func;
+ context->user_data = user_data;
+
+ context->state = PSD_STATE_HEADER;
+
+ // we'll allocate larger buffer once we know image size
+ context->buffer = g_malloc(PSD_HEADER_SIZE);
+ reset_context_buffer(context);
+
+ context->ch_bufs = NULL;
+ context->curr_ch = 0;
+ context->curr_row = 0;
+ context->pos = 0;
+ context->lines_lengths = NULL;
+ context->finalized = FALSE;
+ context->use_alpha = FALSE;
+
+ return (gpointer) context;
+}
+
+static gboolean
+gdk_pixbuf__psd_image_stop_load (gpointer context_ptr, GError **error)
+{
+ PsdContext *ctx = (PsdContext *) context_ptr;
+ gboolean retval = TRUE;
+
+ if (ctx->state != PSD_STATE_DONE) {
+ g_set_error (
+ error,
+ GDK_PIXBUF_ERROR,
+ GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
+ ("PSD file was corrupted or incomplete."));
+ retval = FALSE;
+ }
+
+ g_free(ctx->buffer);
+ g_free(ctx->lines_lengths);
+ if (ctx->ch_bufs) {
+ for (int i = 0; i < ctx->channels; i++) {
+ g_free(ctx->ch_bufs[i]);
+ }
+ }
+ g_free(ctx);
+
+ return retval;
+}
+
+
+static gboolean
+gdk_pixbuf__psd_image_load_increment (gpointer context_ptr,
+ const guchar *data,
+ guint size,
+ GError **error)
+{
+ PsdContext* ctx = (PsdContext*) context_ptr;
+
+ while (size > 0) {
+ switch (ctx->state) {
+ case PSD_STATE_HEADER:
+ if (feed_buffer(
+ ctx->buffer, &ctx->bytes_read,
+ &data, &size, PSD_HEADER_SIZE))
+ {
+ PsdHeader hd = psd_parse_header(ctx->buffer);
+
+ ctx->width = hd.columns;
+ ctx->height = hd.rows;
+ ctx->channels = hd.channels;
+ ctx->depth = hd.depth;
+ ctx->color_mode = hd.color_mode;
+
+ /*
+ if (ctx->color_mode == PSD_MODE_RGB && ctx->channels == 4) {
+ ctx->use_alpha = TRUE;
+ }*/
+
+ //g_message("color_mode=%d, channels=%d, depth=%d",
+ // ctx->color_mode, ctx->channels, ctx->depth);
+
+ if (ctx->color_mode != PSD_MODE_RGB
+ //&& ctx->color_mode != PSD_MODE_CMYK
+ ) {
+ g_set_error (error, GDK_PIXBUF_ERROR,
+ GDK_PIXBUF_ERROR_UNKNOWN_TYPE,
+ ("Unsupported color mode"));
+ return FALSE;
+ }
+
+ if (ctx->depth != 8) {
+ g_set_error (error, GDK_PIXBUF_ERROR,
+ GDK_PIXBUF_ERROR_UNKNOWN_TYPE,
+ ("Unsupported color depth"));
+ return FALSE;
+ }
+
+ if (ctx->size_func) {
+ gint w = ctx->width;
+ gint h = ctx->height;
+ ctx->size_func(&w, &h, ctx->user_data);
+ if (w == 0 || h == 0) {
+ return FALSE;