Linux SRV-16 6.18.44-paas #1 SMP PREEMPT_DYNAMIC Thu Aug 13 10:08:12 UTC 2026 x86_64

/proc/self/root/proc/self/root/proc/self/root/usr/include/gdk-pixbuf-2.0/gdk-pixbuf/

//proc/self/root/proc/self/root/proc/self/root/usr/include/gdk-pixbuf-2.0/gdk-pixbuf/gdk-pixdata.h

/* GdkPixbuf library - GdkPixdata - functions for inlined pixbuf handling * Copyright (C) 1999, 2001 Tim Janik * * 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 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/>. */ #ifndef __GDK_PIXDATA_H__ #define __GDK_PIXDATA_H__ #ifndef GDK_PIXBUF_DISABLE_DEPRECATED #include <gdk-pixbuf/gdk-pixbuf.h> G_BEGIN_DECLS /** * GDK_PIXBUF_MAGIC_NUMBER: * * Magic number for #GdkPixdata structures. **/ #define GDK_PIXBUF_MAGIC_NUMBER (0x47646b50) /* 'GdkP' */ /** * GdkPixdataType: * @GDK_PIXDATA_COLOR_TYPE_RGB: each pixel has red, green and blue samples. * @GDK_PIXDATA_COLOR_TYPE_RGBA: each pixel has red, green and blue samples * and an alpha value. * @GDK_PIXDATA_COLOR_TYPE_MASK: mask for the colortype flags of the enum. * @GDK_PIXDATA_SAMPLE_WIDTH_8: each sample has 8 bits. * @GDK_PIXDATA_SAMPLE_WIDTH_MASK: mask for the sample width flags of the enum. * @GDK_PIXDATA_ENCODING_RAW: the pixel data is in raw form. * @GDK_PIXDATA_ENCODING_RLE: the pixel data is run-length encoded. Runs may * be up to 127 bytes long; their length is stored in a single byte * preceding the pixel data for the run. If a run is constant, its length * byte has the high bit set and the pixel data consists of a single pixel * which must be repeated. * @GDK_PIXDATA_ENCODING_MASK: mask for the encoding flags of the enum. * * An enumeration containing three sets of flags for a #GdkPixdata struct: * one for the used colorspace, one for the width of the samples and one * for the encoding of the pixel data. **/ typedef enum { /* colorspace + alpha */ GDK_PIXDATA_COLOR_TYPE_RGB = 0x01, GDK_PIXDATA_COLOR_TYPE_RGBA = 0x02, GDK_PIXDATA_COLOR_TYPE_MASK = 0xff, /* width, support 8bits only currently */ GDK_PIXDATA_SAMPLE_WIDTH_8 = 0x01 << 16, GDK_PIXDATA_SAMPLE_WIDTH_MASK = 0x0f << 16, /* encoding */ GDK_PIXDATA_ENCODING_RAW = 0x01 << 24, GDK_PIXDATA_ENCODING_RLE = 0x02 << 24, GDK_PIXDATA_ENCODING_MASK = 0x0f << 24 } GdkPixdataType; /** * GdkPixdata: * @magic: magic number. A valid #GdkPixdata structure must have * #GDK_PIXBUF_MAGIC_NUMBER here. * @length: less than 1 to disable length checks, otherwise * #GDK_PIXDATA_HEADER_LENGTH + length of @pixel_data. * @pixdata_type: information about colorspace, sample width and * encoding, in a #GdkPixdataType. * @rowstride: Distance in bytes between rows. * @width: Width of the image in pixels. * @height: Height of the image in pixels. * @pixel_data: (array) (element-type guint8): @width x @height pixels, encoded according to @pixdata_type * and @rowstride. * * A #GdkPixdata contains pixbuf information in a form suitable for * serialization and streaming. **/ typedef struct _GdkPixdata GdkPixdata; struct _GdkPixdata { guint32 magic; /* GDK_PIXBUF_MAGIC_NUMBER */ gint32 length; /* <1 to disable length checks, otherwise: * GDK_PIXDATA_HEADER_LENGTH + pixel_data length */ guint32 pixdata_type; /* GdkPixdataType */ guint32 rowstride; guint32 width; guint32 height; guint8 *pixel_data; }; /** * GDK_PIXDATA_HEADER_LENGTH: * * The length of a #GdkPixdata structure without the @pixel_data pointer. **/ #define GDK_PIXDATA_HEADER_LENGTH (4 + 4 + 4 + 4 + 4 + 4) /* the returned stream is plain htonl of GdkPixdata members + pixel_data */ GDK_PIXBUF_DEPRECATED_IN_2_32 guint8* gdk_pixdata_serialize (const GdkPixdata *pixdata, guint *stream_length_p); GDK_PIXBUF_DEPRECATED_IN_2_32 gboolean gdk_pixdata_deserialize (GdkPixdata *pixdata, guint stream_length, const guint8 *stream, GError **error); GDK_PIXBUF_DEPRECATED_IN_2_32 gpointer gdk_pixdata_from_pixbuf (GdkPixdata *pixdata, const GdkPixbuf *pixbuf, gboolean use_rle); GDK_PIXBUF_DEPRECATED_IN_2_32 GdkPixbuf* gdk_pixbuf_from_pixdata (const GdkPixdata *pixdata, gboolean copy_pixels, GError **error); /** * GdkPixdataDumpType: * @GDK_PIXDATA_DUMP_PIXDATA_STREAM: Generate pixbuf data stream (a single * string containing a serialized #GdkPixdata structure in network byte * order). * @GDK_PIXDATA_DUMP_PIXDATA_STRUCT: Generate #GdkPixdata structure (needs * the #GdkPixdata structure definition from gdk-pixdata.h). * @GDK_PIXDATA_DUMP_MACROS: Generate <function>*_ROWSTRIDE</function>, * <function>*_WIDTH</function>, <function>*_HEIGHT</function>, * <function>*_BYTES_PER_PIXEL</function> and * <function>*_RLE_PIXEL_DATA</function> or <function>*_PIXEL_DATA</function> * macro definitions for the image. * @GDK_PIXDATA_DUMP_GTYPES: Generate GLib data types instead of * standard C data types. * @GDK_PIXDATA_DUMP_CTYPES: Generate standard C data types instead of * GLib data types. * @GDK_PIXDATA_DUMP_STATIC: Generate static symbols. * @GDK_PIXDATA_DUMP_CONST: Generate const symbols. * @GDK_PIXDATA_DUMP_RLE_DECODER: Provide a <function>*_RUN_LENGTH_DECODE(image_buf, rle_data, size, bpp)</function> * macro definition to decode run-length encoded image data. * * An enumeration which is used by gdk_pixdata_to_csource() to * determine the form of C source to be generated. The three values * @GDK_PIXDATA_DUMP_PIXDATA_STREAM, @GDK_PIXDATA_DUMP_PIXDATA_STRUCT * and @GDK_PIXDATA_DUMP_MACROS are mutually exclusive, as are * @GDK_PIXBUF_DUMP_GTYPES and @GDK_PIXBUF_DUMP_CTYPES. The remaining * elements are optional flags that can be freely added. **/ typedef enum { /* type of source to save */ GDK_PIXDATA_DUMP_PIXDATA_STREAM = 0, GDK_PIXDATA_DUMP_PIXDATA_STRUCT = 1, GDK_PIXDATA_DUMP_MACROS = 2, /* type of variables to use */ GDK_PIXDATA_DUMP_GTYPES = 0, GDK_PIXDATA_DUMP_CTYPES = 1 << 8, GDK_PIXDATA_DUMP_STATIC = 1 << 9, GDK_PIXDATA_DUMP_CONST = 1 << 10, /* save RLE decoder macro? */ GDK_PIXDATA_DUMP_RLE_DECODER = 1 << 16 } GdkPixdataDumpType; GDK_PIXBUF_DEPRECATED_IN_2_32 GString* gdk_pixdata_to_csource (GdkPixdata *pixdata, const gchar *name, GdkPixdataDumpType dump_type); G_END_DECLS #endif /* GDK_PIXBUF_DISABLE_DEPRECATED */ #endif /* __GDK_PIXDATA_H__ */