imlib2-gpg/image.h

#ifndef __IMAGE
#define __IMAGE 1

#include "imlib2_common.h"
#ifdef BUILD_X11
#include <X11/Xlib.h>
#else
#ifndef X_DISPLAY_MISSING
#define X_DISPLAY_MISSING
#endif
#endif

typedef struct _imlibldctx ImlibLdCtx;

#ifdef BUILD_X11
typedef struct _imlibimagepixmap ImlibImagePixmap;
#endif
typedef struct _imlibloader ImlibLoader;
typedef enum _imlib_load_error ImlibLoadError;

typedef int         (*ImlibProgressFunction)(ImlibImage * im, char percent,
                                             int update_x, int update_y,
                                             int update_w, int update_h);
typedef void        (*ImlibDataDestructorFunction)(ImlibImage * im, void *data);
typedef void       *(*ImlibImageDataMemoryFunction)(void *, size_t size);

#ifdef BUILD_X11
struct _imlibimagepixmap {
   int                 w, h;
   Pixmap              pixmap, mask;
   Display            *display;
   Visual             *visual;
   int                 depth;
   int                 source_x, source_y, source_w, source_h;
   Colormap            colormap;
   char                antialias, hi_quality, dither_mask;
   ImlibBorder         border;
   ImlibImage         *image;
   char               *file;
   char                dirty;
   int                 references;
   DATABIG             modification_count;
   ImlibImagePixmap   *next;
};
#endif

void                __imlib_LoadAllLoaders(void);
void                __imlib_RemoveAllLoaders(void);
ImlibLoader       **__imlib_GetLoaderList(void);
ImlibLoader        *__imlib_FindBestLoaderForFile(const char *file,
                                                  int for_save);
ImlibLoader        *__imlib_FindBestLoaderForFormat(const char *format,
                                                    int for_save);
ImlibLoader        *__imlib_FindBestLoaderForFileFormat(const char *file,
                                                        const char *format,
                                                        int for_save);
void                __imlib_LoaderSetFormats(ImlibLoader * l,
                                             const char *const *fmt,
                                             unsigned int num);

ImlibImage         *__imlib_CreateImage(int w, int h, DATA32 * data);
ImlibImage         *__imlib_LoadImage(const char *file, FILE * fp,
                                      ImlibProgressFunction progress,
                                      char progress_granularity,
                                      char immediate_load, char dont_cache,
                                      ImlibLoadError * er);
int                 __imlib_LoadEmbedded(ImlibLoader * l, ImlibImage * im,
                                         const char *file, int load_data);
int                 __imlib_LoadImageData(ImlibImage * im);
void                __imlib_DirtyImage(ImlibImage * im);
void                __imlib_FreeImage(ImlibImage * im);
void                __imlib_SaveImage(ImlibImage * im, const char *file,
                                      ImlibProgressFunction progress,
                                      char progress_granularity,
                                      ImlibLoadError * er);

DATA32             *__imlib_AllocateData(ImlibImage * im);
void                __imlib_FreeData(ImlibImage * im);
void                __imlib_ReplaceData(ImlibImage * im, DATA32 * new_data);

void                __imlib_LoadProgressSetPass(ImlibImage * im,
                                                int pass, int n_pass);
int                 __imlib_LoadProgress(ImlibImage * im,
                                         int x, int y, int w, int h);
int                 __imlib_LoadProgressRows(ImlibImage * im,
                                             int row, int nrows);

#ifdef BUILD_X11
ImlibImagePixmap   *__imlib_ProduceImagePixmap(void);
void                __imlib_ConsumeImagePixmap(ImlibImagePixmap * ip);
ImlibImagePixmap   *__imlib_FindCachedImagePixmap(ImlibImage * im, int w, int h,
                                                  Display * d, Visual * v,
                                                  int depth, int sx, int sy,
                                                  int sw, int sh, Colormap cm,
                                                  char aa, char hiq, char dmask,
                                                  DATABIG modification_count);
ImlibImagePixmap   *__imlib_FindCachedImagePixmapByID(Display * d, Pixmap p);
void                __imlib_AddImagePixmapToCache(ImlibImagePixmap * ip);
void                __imlib_RemoveImagePixmapFromCache(ImlibImagePixmap * ip);
void                __imlib_CleanupImagePixmapCache(void);

ImlibImagePixmap   *__imlib_FindImlibImagePixmapByID(Display * d, Pixmap p);
void                __imlib_FreePixmap(Display * d, Pixmap p);
void                __imlib_DirtyPixmapsForImage(ImlibImage * im);
#endif

void                __imlib_AttachTag(ImlibImage * im, const char *key,
                                      int val, void *data,
                                      ImlibDataDestructorFunction destructor);
void                __imlib_FreeTag(ImlibImage * im, ImlibImageTag * t);
void                __imlib_FreeAllTags(ImlibImage * im);

void                __imlib_SetCacheSize(int size);
int                 __imlib_GetCacheSize(void);
int                 __imlib_CurrentCacheSize(void);

#define IMAGE_HAS_ALPHA(im) ((im)->flags & F_HAS_ALPHA)
#define IMAGE_IS_UNLOADED(im) ((im)->flags & F_UNLOADED)
#define IMAGE_IS_UNCACHEABLE(im) ((im)->flags & F_UNCACHEABLE)
#define IMAGE_ALWAYS_CHECK_DISK(im) ((im)->flags & F_ALWAYS_CHECK_DISK)
#define IMAGE_IS_VALID(im) (!((im)->flags & F_INVALID))
#define IMAGE_FREE_DATA(im) (!((im)->flags & F_DONT_FREE_DATA))

#define SET_FLAG(flags, f) ((flags) |= (f))
#define UNSET_FLAG(flags, f) ((flags) &= (~f))

#define LOAD_FAIL       0
#define LOAD_SUCCESS    1
#define LOAD_BREAK      2

/* 32767 is the maximum pixmap dimension and ensures that
 * (w * h * sizeof(DATA32)) won't exceed ULONG_MAX */
#define X_MAX_DIM 32767
/* NB! The image dimensions are sometimes used in (dim << 16) like expressions
 * so great care must be taken if ever it is attempted to change this
 * condition */

#define IMAGE_DIMENSIONS_OK(w, h) \
   ( ((w) > 0) && ((h) > 0) && ((w) <= X_MAX_DIM) && ((h) <= X_MAX_DIM) )

#endif