ROX-Filer/src/pixmaps.h

   1 /*
   2  * ROX-Filer, filer for the ROX desktop project
   3  * By Thomas Leonard, <tal197@users.sourceforge.net>.
   4  */
   5
   6 #ifndef _PIXMAP_H
   7 #define _PIXMAP_H
   8
   9 #include <gtk/gtk.h>
  10
  11 extern GFSCache *pixmap_cache;
  12 extern GFSCache *desktop_icon_cache;
  13
  14 extern MaskedPixmap *im_error;
  15 extern MaskedPixmap *im_unknown;
  16
  17 extern MaskedPixmap *im_exec_file;
  18 extern MaskedPixmap *im_appdir;
  19
  20 extern MaskedPixmap *im_dirs;
  21
  22 extern GtkIconSize mount_icon_size;
  23
  24 /* If making the huge size larger, be sure to update SMALL_IMAGE_THRESHOLD! */
  25 #define HUGE_WIDTH 96
  26 #define HUGE_HEIGHT 96
  27
  28 #define ICON_HEIGHT 52
  29 #define ICON_WIDTH 48
  30
  31 #define SMALL_HEIGHT 18
  32 #define SMALL_WIDTH 22
  33
  34 typedef struct _MaskedPixmapClass MaskedPixmapClass;
  35
  36 struct _MaskedPixmapClass {
  37         GObjectClass parent;
  38 };
  39
  40 /* When a MaskedPixmap is created we load the image from disk and
  41  * scale the pixbuf down to the 'huge' size (if it's bigger).
  42  * The 'normal' pixmap and mask are created automatically - you have
  43  * to request the other sizes.
  44  *
  45  * Note that any of the masks be also be NULL if the image has no
  46  * mask.
  47  */
  48 struct _MaskedPixmap
  49 {
  50         GObject         object;
  51
  52         GdkPixbuf       *src_pixbuf;    /* Limited to 'huge' size */
  53
  54         /* If huge_pixbuf is NULL then call pixmap_make_huge() */
  55         GdkPixbuf       *huge_pixbuf;
  56         int             huge_width, huge_height;
  57
  58         GdkPixbuf       *pixbuf;        /* Normal size image, always valid */
  59         int             width, height;
  60
  61         /* If sm_pixbuf is NULL then call pixmap_make_small() */
  62         GdkPixbuf       *sm_pixbuf;
  63         int             sm_width, sm_height;
  64 };
  65
  66 void pixmaps_init(void);
  67 void pixmap_make_huge(MaskedPixmap *mp);
  68 void pixmap_make_small(MaskedPixmap *mp);
  69 MaskedPixmap *load_pixmap(const char *name);
  70 void pixmap_background_thumb(const gchar *path, GFunc callback, gpointer data);
  71 MaskedPixmap *pixmap_try_thumb(const gchar *path, gboolean can_load);
  72 MaskedPixmap *masked_pixmap_new(GdkPixbuf *full_size);
  73 GdkPixbuf *scale_pixbuf(GdkPixbuf *src, int max_w, int max_h);
  74
  75 #endif /* _PIXMAP_H */