Linux Standard Base Desktop Specification 3.1
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12.17. Data Definitions for libgdk_pixbuf-2.0

This section defines global identifiers and their values that are associated with interfaces contained in libgdk_pixbuf-2.0. These definitions are organized into groups that correspond to system headers. This convention is used as a convenience for the reader, and does not imply the existence of these headers, or their content. Where an interface is defined as requiring a particular system header file all of the data definitions for that system header file presented here shall be in effect.

This section gives data definitions to promote binary application portability, not to repeat source interface definitions available elsewhere. System providers and application developers should use this ABI to supplement - not to replace - source interface definition specifications.

This specification uses the ISO C (1999) C Language as the reference programming language, and data definitions are specified in ISO C format. The C language is used here as a convenient notation. Using a C language description of these data objects does not preclude their use by other programming languages.

12.17.1. gtk-2.0/gdk-pixbuf/gdk-pixbuf.h


#define GDK_TYPE_PIXBUF_ANIMATION_ITER	 \
	(gdk_pixbuf_animation_iter_get_type ())
#define GDK_PIXBUF_LOADER_CLASS(klass)	 \
	(G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_PIXBUF_LOADER, \
	GdkPixbufLoaderClass))
#define GDK_IS_PIXBUF_LOADER_CLASS(klass)	 \
	(G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_PIXBUF_LOADER))
#define GDK_PIXBUF_LOADER(obj)	 \
	(G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_PIXBUF_LOADER, \
	GdkPixbufLoader))
#define GDK_PIXBUF(object)	 \
	(G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_PIXBUF, GdkPixbuf))
#define GDK_PIXBUF_ANIMATION(object)	 \
	(G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_PIXBUF_ANIMATION, \
	GdkPixbufAnimation))
#define GDK_PIXBUF_ANIMATION_ITER(object)	 \
	(G_TYPE_CHECK_INSTANCE_CAST ((object), \
	GDK_TYPE_PIXBUF_ANIMATION_ITER, GdkPixbufAnimationIter))
#define GDK_IS_PIXBUF_LOADER(obj)	 \
	(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_PIXBUF_LOADER))
#define GDK_IS_PIXBUF(object)	 \
	(G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_PIXBUF))
#define GDK_IS_PIXBUF_ANIMATION(object)	 \
	(G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_PIXBUF_ANIMATION))
#define GDK_IS_PIXBUF_ANIMATION_ITER(object)	 \
	(G_TYPE_CHECK_INSTANCE_TYPE ((object), \
	GDK_TYPE_PIXBUF_ANIMATION_ITER))
#define GDK_PIXBUF_LOADER_GET_CLASS(obj)	 \
	(G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_PIXBUF_LOADER, \
	GdkPixbufLoaderClass))
#define GDK_PIXBUF_MICRO	(10)
#define GDK_PIXBUF_MAJOR	(2)
#define GDK_PIXBUF_MINOR	(6)
#define GDK_TYPE_COLORSPACE	(gdk_colorspace_get_type())
#define GDK_TYPE_INTERP_TYPE	(gdk_interp_type_get_type())
#define GDK_TYPE_PIXBUF_ALPHA_MODE	(gdk_pixbuf_alpha_mode_get_type())
#define GDK_TYPE_PIXBUF_ANIMATION	(gdk_pixbuf_animation_get_type ())
#define GDK_TYPE_PIXBUF_ERROR	(gdk_pixbuf_error_get_type())
#define GDK_TYPE_PIXBUF	(gdk_pixbuf_get_type ())
#define GDK_TYPE_PIXBUF_LOADER	(gdk_pixbuf_loader_get_type ())
#define GDK_TYPE_PIXBUF_ROTATION	(gdk_pixbuf_rotation_get_type())
#define GDK_PIXBUF_VERSION	"2.6.10"
#define GDK_PIXBUF_VAR	extern
#define GDK_PIXBUF_ERROR	gdk_pixbuf_error_quark ()

typedef struct _GdkPixbuf
 GdkPixbuf;
typedef gboolean(*GdkPixbufSaveFunc) (const gchar *, gsize, GError * *,
				      gpointer);
typedef struct _GdkPixbufLoader {
    GObject parent_instance;
    gpointer priv;
} GdkPixbufLoader;
typedef struct _GdkPixbufFormat GdkPixbufFormat;
typedef enum {
    GDK_INTERP_NEAREST = 0,
    GDK_INTERP_TILES = 1,
    GDK_INTERP_BILINEAR = 2,
    GDK_INTERP_HYPER = 3
} GdkInterpType;
typedef enum {
    GDK_COLORSPACE_RGB = 0
} GdkColorspace;
typedef void (*GdkPixbufDestroyNotify) (guchar *, gpointer);
typedef struct _GdkPixbufAnimationIter GdkPixbufAnimationIter;
typedef struct _GdkPixbufAnimation GdkPixbufAnimation;
typedef enum {
    GDK_PIXBUF_ROTATE_NONE = 0,
    GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE = 90,
    GDK_PIXBUF_ROTATE_UPSIDEDOWN = 180,
    GDK_PIXBUF_ROTATE_CLOCKWISE = 270
} GdkPixbufRotation;
typedef struct _GdkPixbufLoaderClass {
    GObjectClass parent_class;
    void (*size_prepared) (GdkPixbufLoader *, int, int);
    void (*area_prepared) (GdkPixbufLoader *);
    void (*area_updated) (GdkPixbufLoader *, int, int, int, int);
    void (*closed) (GdkPixbufLoader *);
} GdkPixbufLoaderClass;
typedef enum {
    GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
    GDK_PIXBUF_ERROR_INSUFFICIENT_MEMORY,
    GDK_PIXBUF_ERROR_BAD_OPTION,
    GDK_PIXBUF_ERROR_UNKNOWN_TYPE,
    GDK_PIXBUF_ERROR_UNSUPPORTED_OPERATION,
    GDK_PIXBUF_ERROR_FAILED
} GdkPixbufError;
typedef enum {
    GDK_PIXBUF_ALPHA_BILEVEL,
    GDK_PIXBUF_ALPHA_FULL
} GdkPixbufAlphaMode;
extern gboolean gdk_pixbuf_save_to_callbackv(GdkPixbuf *,
					     GdkPixbufSaveFunc, gpointer,
					     const char *, char **,
					     char **, GError * *);
extern gboolean gdk_pixbuf_save_to_bufferv(GdkPixbuf *, gchar * *, gsize *,
					   const char *, char **, char **,
					   GError * *);
extern GdkPixbuf *gdk_pixbuf_new_from_file_at_scale(const char *, int, int,
						    gboolean, GError * *);
extern GdkPixbufLoader *gdk_pixbuf_loader_new_with_type(const char *,
							GError * *);
extern GSList *gdk_pixbuf_get_formats(void);
extern guchar *gdk_pixbuf_get_pixels(const GdkPixbuf *);
extern const guint gdk_pixbuf_minor_version;
extern void gdk_pixbuf_format_set_disabled(GdkPixbufFormat *, gboolean);
extern gboolean gdk_pixbuf_format_is_scalable(GdkPixbufFormat *);
extern int gdk_pixbuf_get_n_channels(const GdkPixbuf *);
extern GdkPixbuf *gdk_pixbuf_scale_simple(const GdkPixbuf *, int, int,
					  GdkInterpType);
extern GdkPixbuf *gdk_pixbuf_new_from_data(const guchar *, GdkColorspace,
					   gboolean, int, int, int, int,
					   GdkPixbufDestroyNotify,
					   gpointer);
extern gboolean gdk_pixbuf_loader_close(GdkPixbufLoader *, GError * *);
extern GType gdk_pixbuf_animation_get_type(void);
extern gboolean gdk_pixbuf_save_to_buffer(GdkPixbuf *, gchar * *, gsize *,
					  const char *, GError * *, ...);
extern GType gdk_interp_type_get_type(void);
extern GdkPixbuf *gdk_pixbuf_new_from_file_at_size(const char *, int, int,
						   GError * *);
extern GdkPixbuf *gdk_pixbuf_new_from_xpm_data(const char **);
extern GdkPixbufLoader *gdk_pixbuf_loader_new(void);
extern gboolean gdk_pixbuf_save_to_callback(GdkPixbuf *, GdkPixbufSaveFunc,
					    gpointer, const char *,
					    GError * *, ...);
extern GdkPixbuf *gdk_pixbuf_add_alpha(const GdkPixbuf *, gboolean, guchar,
				       guchar, guchar);
extern gboolean gdk_pixbuf_animation_iter_advance(GdkPixbufAnimationIter *,
						  const GTimeVal *);
extern void gdk_pixbuf_saturate_and_pixelate(const GdkPixbuf *,
					     GdkPixbuf *, gfloat,
					     gboolean);
extern GType gdk_pixbuf_animation_iter_get_type(void);
extern int gdk_pixbuf_get_bits_per_sample(const GdkPixbuf *);
extern GdkPixbuf *gdk_pixbuf_new_from_inline(gint, const guint8 *,
					     gboolean, GError * *);
extern const guint gdk_pixbuf_major_version;
extern GdkPixbuf *gdk_pixbuf_animation_get_static_image(GdkPixbufAnimation
							*);
extern const guint gdk_pixbuf_micro_version;
extern int gdk_pixbuf_get_height(const GdkPixbuf *);
extern GdkPixbuf *gdk_pixbuf_flip(const GdkPixbuf *, gboolean);
extern GdkPixbufAnimationIter
    *gdk_pixbuf_animation_get_iter(GdkPixbufAnimation *, const GTimeVal *);
extern gboolean
gdk_pixbuf_animation_iter_on_currently_loading_frame(GdkPixbufAnimationIter
						     *);
extern GdkPixbufAnimation *gdk_pixbuf_loader_get_animation(GdkPixbufLoader
							   *);
extern int gdk_pixbuf_get_rowstride(const GdkPixbuf *);
extern GdkPixbuf *gdk_pixbuf_new_from_file(const char *, GError * *);
extern void gdk_pixbuf_loader_set_size(GdkPixbufLoader *, gint, gint);
extern GType gdk_pixbuf_loader_get_type(void);
extern GdkPixbuf *gdk_pixbuf_composite_color_simple(const GdkPixbuf *, int,
						    int, GdkInterpType,
						    int, int, guint32,
						    guint32);
extern gboolean gdk_pixbuf_save(GdkPixbuf *, const char *, const char *,
				GError * *, ...);
extern GdkPixbuf *gdk_pixbuf_new_subpixbuf(GdkPixbuf *, int, int, int,
					   int);
extern gchar *gdk_pixbuf_format_get_license(GdkPixbufFormat *);
extern GdkPixbufAnimation *gdk_pixbuf_animation_new_from_file(const char *,
							      GError * *);
extern void gdk_pixbuf_fill(GdkPixbuf *, guint32);
extern void gdk_pixbuf_composite_color(const GdkPixbuf *, GdkPixbuf *, int,
				       int, int, int, double, double,
				       double, double, GdkInterpType, int,
				       int, int, int, guint32, guint32);
extern void gdk_pixbuf_composite(const GdkPixbuf *, GdkPixbuf *, int, int,
				 int, int, double, double, double, double,
				 GdkInterpType, int);
extern int gdk_pixbuf_animation_get_width(GdkPixbufAnimation *);
extern gboolean gdk_pixbuf_animation_is_static_image(GdkPixbufAnimation *);
extern void gdk_pixbuf_scale(const GdkPixbuf *, GdkPixbuf *, int, int, int,
			     int, double, double, double, double,
			     GdkInterpType);
extern GdkPixbuf
    *gdk_pixbuf_animation_iter_get_pixbuf(GdkPixbufAnimationIter *);
extern const char *gdk_pixbuf_version;
extern gchar *gdk_pixbuf_format_get_name(GdkPixbufFormat *);
extern gchar **gdk_pixbuf_format_get_mime_types(GdkPixbufFormat *);
extern GType gdk_pixbuf_rotation_get_type(void);
extern GType gdk_colorspace_get_type(void);
extern GdkPixbufFormat *gdk_pixbuf_loader_get_format(GdkPixbufLoader *);
extern GType gdk_pixbuf_alpha_mode_get_type(void);
extern gboolean gdk_pixbuf_format_is_disabled(GdkPixbufFormat *);
extern GdkPixbuf *gdk_pixbuf_rotate_simple(const GdkPixbuf *,
					   GdkPixbufRotation);
extern void gdk_pixbuf_copy_area(const GdkPixbuf *, int, int, int, int,
				 GdkPixbuf *, int, int);
extern GQuark gdk_pixbuf_error_quark(void);
extern gboolean gdk_pixbuf_format_is_writable(GdkPixbufFormat *);
extern GType gdk_pixbuf_get_type(void);
extern GdkPixbufFormat *gdk_pixbuf_get_file_info(const gchar *, gint *,
						 gint *);
extern GdkPixbuf *gdk_pixbuf_copy(const GdkPixbuf *);
extern gboolean gdk_pixbuf_savev(GdkPixbuf *, const char *, const char *,
				 char **, char **, GError * *);
extern gchar *gdk_pixbuf_format_get_description(GdkPixbufFormat *);
extern GdkPixbuf *gdk_pixbuf_loader_get_pixbuf(GdkPixbufLoader *);
extern gboolean gdk_pixbuf_loader_write(GdkPixbufLoader *, const guchar *,
					gsize, GError * *);
extern int gdk_pixbuf_animation_get_height(GdkPixbufAnimation *);
extern int gdk_pixbuf_get_width(const GdkPixbuf *);
extern GdkPixbuf *gdk_pixbuf_new(GdkColorspace, gboolean, int, int, int);
extern gchar **gdk_pixbuf_format_get_extensions(GdkPixbufFormat *);
extern GdkColorspace gdk_pixbuf_get_colorspace(const GdkPixbuf *);
extern GdkPixbufLoader *gdk_pixbuf_loader_new_with_mime_type(const char *,
							     GError * *);
extern GType gdk_pixbuf_error_get_type(void);
extern gboolean gdk_pixbuf_get_has_alpha(const GdkPixbuf *);
extern const gchar *gdk_pixbuf_get_option(GdkPixbuf *, const gchar *);
extern int gdk_pixbuf_animation_iter_get_delay_time(GdkPixbufAnimationIter
						    *);

12.17.2. gtk-2.0/gdk-pixbuf/gdk-pixdata.h


#define GDK_PIXBUF_MAGIC_NUMBER	(0x47646b50)
#define GDK_PIXDATA_HEADER_LENGTH	(4 + 4 + 4 + 4 + 4 + 4)

typedef struct _GdkPixdata {
    guint32 magic;
    gint32 length;
    guint32 pixdata_type;
    guint32 rowstride;
    guint32 width;
    guint32 height;
    guint8 *pixel_data;
} GdkPixdata;
typedef enum {
    GDK_PIXDATA_DUMP_PIXDATA_STREAM = 0,
    GDK_PIXDATA_DUMP_PIXDATA_STRUCT = 1,
    GDK_PIXDATA_DUMP_MACROS = 2,
    GDK_PIXDATA_DUMP_GTYPES = 0,
    GDK_PIXDATA_DUMP_CTYPES = 256,
    GDK_PIXDATA_DUMP_STATIC = 512,
    GDK_PIXDATA_DUMP_CONST = 1024,
    GDK_PIXDATA_DUMP_RLE_DECODER = 65536
} GdkPixdataDumpType;
typedef enum {
    GDK_PIXDATA_COLOR_TYPE_RGB = 0x01,
    GDK_PIXDATA_COLOR_TYPE_RGBA = 0x02,
    GDK_PIXDATA_COLOR_TYPE_MASK = 0xff,
    GDK_PIXDATA_SAMPLE_WIDTH_8 = 0x01 << 16,
    GDK_PIXDATA_SAMPLE_WIDTH_MASK = 0x0f << 16,
    GDK_PIXDATA_ENCODING_RAW = 0x01 << 24,
    GDK_PIXDATA_ENCODING_RLE = 0x02 << 24,
    GDK_PIXDATA_ENCODING_MASK = 0x0f << 24
} GdkPixdataType;
extern gboolean gdk_pixdata_deserialize(GdkPixdata *, guint,
					const guint8 *, GError * *);
extern gpointer gdk_pixdata_from_pixbuf(GdkPixdata *, const GdkPixbuf *,
					gboolean);
extern guint8 *gdk_pixdata_serialize(const GdkPixdata *, guint *);
extern GString *gdk_pixdata_to_csource(GdkPixdata *, const gchar *,
				       GdkPixdataDumpType);
extern GdkPixbuf *gdk_pixbuf_from_pixdata(const GdkPixdata *, gboolean,
					  GError * *);
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