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C/C++ Source or Header  |  2006-04-25  |  14.3 KB  |  420 lines
  1. /* GDK - The GIMP Drawing Kit
  2.  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
  3.  *
  4.  * This library is free software; you can redistribute it and/or
  5.  * modify it under the terms of the GNU Lesser General Public
  6.  * License as published by the Free Software Foundation; either
  7.  * version 2 of the License, or (at your option) any later version.
  8.  *
  9.  * This library is distributed in the hope that it will be useful,
  10.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12.  * Lesser General Public License for more details.
  13.  *
  14.  * You should have received a copy of the GNU Lesser General Public
  15.  * License along with this library; if not, write to the
  16.  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17.  * Boston, MA 02111-1307, USA.
  18.  */
  19.  
  20. /*
  21.  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  22.  * file for a list of people on the GTK+ Team.  See the ChangeLog
  23.  * files for a list of changes.  These files are distributed with
  24.  * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
  25.  */
  26. #ifndef __GDK_DRAWABLE_H__
  27. #define __GDK_DRAWABLE_H__
  28.  
  29. #include <gdk/gdktypes.h>
  30. #include <gdk/gdkgc.h>
  31. #include <gdk/gdkrgb.h>
  32. #include <gdk-pixbuf/gdk-pixbuf.h>
  33.  
  34. #include <cairo.h>
  35.  
  36. G_BEGIN_DECLS
  37.  
  38. typedef struct _GdkDrawableClass GdkDrawableClass;
  39. typedef struct _GdkTrapezoid     GdkTrapezoid;
  40.  
  41. #define GDK_TYPE_DRAWABLE              (gdk_drawable_get_type ())
  42. #define GDK_DRAWABLE(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_DRAWABLE, GdkDrawable))
  43. #define GDK_DRAWABLE_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_DRAWABLE, GdkDrawableClass))
  44. #define GDK_IS_DRAWABLE(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_DRAWABLE))
  45. #define GDK_IS_DRAWABLE_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_DRAWABLE))
  46. #define GDK_DRAWABLE_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_DRAWABLE, GdkDrawableClass))
  47.  
  48. struct _GdkDrawable
  49. {
  50.   GObject parent_instance;
  51. };
  52.  
  53. struct _GdkDrawableClass 
  54. {
  55.   GObjectClass parent_class;
  56.   
  57.   GdkGC *(*create_gc)    (GdkDrawable    *drawable,
  58.                   GdkGCValues    *values,
  59.                   GdkGCValuesMask mask);
  60.   void (*draw_rectangle) (GdkDrawable  *drawable,
  61.               GdkGC           *gc,
  62.               gboolean    filled,
  63.               gint        x,
  64.               gint        y,
  65.               gint        width,
  66.               gint        height);
  67.   void (*draw_arc)       (GdkDrawable  *drawable,
  68.               GdkGC           *gc,
  69.               gboolean    filled,
  70.               gint        x,
  71.               gint        y,
  72.               gint        width,
  73.               gint        height,
  74.               gint        angle1,
  75.               gint        angle2);
  76.   void (*draw_polygon)   (GdkDrawable  *drawable,
  77.               GdkGC           *gc,
  78.               gboolean    filled,
  79.               GdkPoint     *points,
  80.               gint        npoints);
  81.   void (*draw_text)      (GdkDrawable  *drawable,
  82.               GdkFont      *font,
  83.               GdkGC           *gc,
  84.               gint        x,
  85.               gint        y,
  86.               const gchar  *text,
  87.               gint        text_length);
  88.   void (*draw_text_wc)   (GdkDrawable     *drawable,
  89.               GdkFont     *font,
  90.               GdkGC         *gc,
  91.               gint          x,
  92.               gint          y,
  93.               const GdkWChar *text,
  94.               gint          text_length);
  95.   void (*draw_drawable)  (GdkDrawable  *drawable,
  96.               GdkGC           *gc,
  97.               GdkDrawable  *src,
  98.               gint        xsrc,
  99.               gint        ysrc,
  100.               gint        xdest,
  101.               gint        ydest,
  102.               gint        width,
  103.               gint        height);
  104.   void (*draw_points)     (GdkDrawable  *drawable,
  105.               GdkGC           *gc,
  106.               GdkPoint     *points,
  107.               gint        npoints);
  108.   void (*draw_segments)     (GdkDrawable  *drawable,
  109.               GdkGC           *gc,
  110.               GdkSegment   *segs,
  111.               gint        nsegs);
  112.  void (*draw_lines)     (GdkDrawable  *drawable,
  113.               GdkGC        *gc,
  114.               GdkPoint     *points,
  115.               gint          npoints);
  116.  
  117.   void (*draw_glyphs)    (GdkDrawable      *drawable,
  118.               GdkGC               *gc,
  119.               PangoFont        *font,
  120.               gint              x,
  121.               gint              y,
  122.               PangoGlyphString *glyphs);
  123.  
  124.   void (*draw_image)     (GdkDrawable *drawable,
  125.                           GdkGC          *gc,
  126.                           GdkImage    *image,
  127.                           gint           xsrc,
  128.                           gint           ysrc,
  129.                           gint           xdest,
  130.                           gint           ydest,
  131.                           gint           width,
  132.                           gint           height);
  133.   
  134.   gint (*get_depth)      (GdkDrawable  *drawable);
  135.   void (*get_size)       (GdkDrawable  *drawable,
  136.                           gint         *width,
  137.                           gint         *height);
  138.  
  139.   void (*set_colormap)   (GdkDrawable  *drawable,
  140.                           GdkColormap  *cmap);
  141.  
  142.   GdkColormap* (*get_colormap)    (GdkDrawable  *drawable);
  143.   GdkVisual*   (*get_visual)    (GdkDrawable  *drawable);
  144.   GdkScreen*   (*get_screen)    (GdkDrawable  *drawable);
  145.  
  146.   GdkImage*    (*get_image)  (GdkDrawable  *drawable,
  147.                               gint          x,
  148.                               gint          y,
  149.                               gint          width,
  150.                               gint          height);
  151.  
  152.   GdkRegion*   (*get_clip_region)    (GdkDrawable  *drawable);
  153.   GdkRegion*   (*get_visible_region) (GdkDrawable  *drawable);
  154.  
  155.   GdkDrawable* (*get_composite_drawable) (GdkDrawable *drawable,
  156.                                           gint         x,
  157.                                           gint         y,
  158.                                           gint         width,
  159.                                           gint         height,
  160.                                           gint        *composite_x_offset,
  161.                                           gint        *composite_y_offset);
  162.  
  163.   void         (*draw_pixbuf) (GdkDrawable *drawable,
  164.                    GdkGC       *gc,
  165.                    GdkPixbuf   *pixbuf,
  166.                    gint         src_x,
  167.                    gint         src_y,
  168.                    gint         dest_x,
  169.                    gint         dest_y,
  170.                    gint         width,
  171.                    gint         height,
  172.                    GdkRgbDither dither,
  173.                    gint         x_dither,
  174.                    gint         y_dither);
  175.   GdkImage*    (*_copy_to_image) (GdkDrawable    *drawable,
  176.                   GdkImage       *image,
  177.                   gint            src_x,
  178.                   gint            src_y,
  179.                   gint            dest_x,
  180.                   gint            dest_y,
  181.                   gint            width,
  182.                   gint            height);
  183.   
  184.   void (*draw_glyphs_transformed) (GdkDrawable      *drawable,
  185.                    GdkGC        *gc,
  186.                    PangoMatrix      *matrix,
  187.                    PangoFont        *font,
  188.                    gint              x,
  189.                    gint              y,
  190.                    PangoGlyphString *glyphs);
  191.   void (*draw_trapezoids)         (GdkDrawable      *drawable,
  192.                    GdkGC        *gc,
  193.                    GdkTrapezoid     *trapezoids,
  194.                    gint              n_trapezoids);
  195.  
  196.   cairo_surface_t *(*ref_cairo_surface) (GdkDrawable *drawable);
  197.  
  198.   /* Padding for future expansion */
  199.   void         (*_gdk_reserved4)  (void);
  200.   void         (*_gdk_reserved5)  (void);
  201.   void         (*_gdk_reserved6)  (void);
  202.   void         (*_gdk_reserved7)  (void);
  203.   void         (*_gdk_reserved9)  (void);
  204.   void         (*_gdk_reserved10) (void);
  205.   void         (*_gdk_reserved11) (void);
  206.   void         (*_gdk_reserved12) (void);
  207.   void         (*_gdk_reserved13) (void);
  208.   void         (*_gdk_reserved14) (void);
  209.   void         (*_gdk_reserved15) (void);
  210.   void         (*_gdk_reserved16) (void);
  211. };
  212.  
  213. struct _GdkTrapezoid
  214. {
  215.   double y1, x11, x21, y2, x12, x22;
  216. };
  217.  
  218. GType           gdk_drawable_get_type     (void) G_GNUC_CONST;
  219.  
  220. /* Manipulation of drawables
  221.  */
  222.  
  223. #ifndef GDK_DISABLE_DEPRECATED
  224. void            gdk_drawable_set_data     (GdkDrawable    *drawable,
  225.                        const gchar    *key,
  226.                        gpointer      data,
  227.                        GDestroyNotify  destroy_func);
  228. gpointer        gdk_drawable_get_data     (GdkDrawable    *drawable,
  229.                        const gchar    *key);
  230. #endif /* GDK_DISABLE_DEPRECATED */
  231.  
  232. void            gdk_drawable_get_size     (GdkDrawable      *drawable,
  233.                        gint              *width,
  234.                        gint        *height);
  235. void            gdk_drawable_set_colormap (GdkDrawable      *drawable,
  236.                        GdkColormap      *colormap);
  237. GdkColormap*    gdk_drawable_get_colormap (GdkDrawable      *drawable);
  238. GdkVisual*      gdk_drawable_get_visual   (GdkDrawable      *drawable);
  239. gint            gdk_drawable_get_depth    (GdkDrawable      *drawable);
  240. GdkScreen*    gdk_drawable_get_screen   (GdkDrawable    *drawable);
  241. GdkDisplay*    gdk_drawable_get_display  (GdkDrawable    *drawable);
  242.  
  243. #ifndef GDK_DISABLE_DEPRECATED
  244. GdkDrawable*    gdk_drawable_ref          (GdkDrawable    *drawable);
  245. void            gdk_drawable_unref        (GdkDrawable    *drawable);
  246. #endif /* GDK_DISABLE_DEPRECATED */
  247.  
  248. /* Drawing
  249.  */
  250. void gdk_draw_point     (GdkDrawable      *drawable,
  251.              GdkGC            *gc,
  252.              gint              x,
  253.              gint              y);
  254. void gdk_draw_line      (GdkDrawable      *drawable,
  255.              GdkGC            *gc,
  256.              gint              x1_,
  257.              gint              y1_,
  258.              gint              x2_,
  259.              gint              y2_);
  260. void gdk_draw_rectangle (GdkDrawable      *drawable,
  261.              GdkGC            *gc,
  262.              gboolean          filled,
  263.              gint              x,
  264.              gint              y,
  265.              gint              width,
  266.              gint              height);
  267. void gdk_draw_arc       (GdkDrawable      *drawable,
  268.              GdkGC            *gc,
  269.              gboolean          filled,
  270.              gint              x,
  271.              gint              y,
  272.              gint              width,
  273.              gint              height,
  274.              gint              angle1,
  275.              gint              angle2);
  276. void gdk_draw_polygon   (GdkDrawable      *drawable,
  277.              GdkGC            *gc,
  278.              gboolean          filled,
  279.              GdkPoint         *points,
  280.              gint              npoints);
  281. #if !defined (GDK_DISABLE_DEPRECATED) || defined (GTK_COMPILATION)
  282. /* Used by gtk_default_draw_string () */
  283. void gdk_draw_string    (GdkDrawable      *drawable,
  284.              GdkFont          *font,
  285.              GdkGC            *gc,
  286.              gint              x,
  287.              gint              y,
  288.              const gchar      *string);
  289. #endif /* !GDK_DISABLE_DEPRECATED || GTK_COMPILATION */
  290. #if !defined (GDK_DISABLE_DEPRECATED) || defined (GDK_COMPILATION)
  291. /* Used by gdk_pixmap_draw_text (), gdk_window_draw_text() */
  292. void gdk_draw_text      (GdkDrawable      *drawable,
  293.              GdkFont          *font,
  294.              GdkGC            *gc,
  295.              gint              x,
  296.              gint              y,
  297.              const gchar      *text,
  298.              gint              text_length);
  299. /* Used by gdk_pixmap_draw_text_wc (), gdk_window_draw_text_wc () */
  300. void gdk_draw_text_wc   (GdkDrawable      *drawable,
  301.              GdkFont          *font,
  302.              GdkGC            *gc,
  303.              gint              x,
  304.              gint              y,
  305.              const GdkWChar   *text,
  306.              gint              text_length);
  307. #endif /* !GDK_DISABLE_DEPRECATED || GDK_COMPILATION */
  308. void gdk_draw_drawable  (GdkDrawable      *drawable,
  309.              GdkGC            *gc,
  310.              GdkDrawable      *src,
  311.              gint              xsrc,
  312.              gint              ysrc,
  313.              gint              xdest,
  314.              gint              ydest,
  315.              gint              width,
  316.              gint              height);
  317. void gdk_draw_image     (GdkDrawable      *drawable,
  318.              GdkGC            *gc,
  319.              GdkImage         *image,
  320.              gint              xsrc,
  321.              gint              ysrc,
  322.              gint              xdest,
  323.              gint              ydest,
  324.              gint              width,
  325.              gint              height);
  326. void gdk_draw_points    (GdkDrawable      *drawable,
  327.              GdkGC            *gc,
  328.              GdkPoint         *points,
  329.              gint              npoints);
  330. void gdk_draw_segments  (GdkDrawable      *drawable,
  331.              GdkGC            *gc,
  332.              GdkSegment       *segs,
  333.              gint              nsegs);
  334. void gdk_draw_lines     (GdkDrawable      *drawable,
  335.              GdkGC            *gc,
  336.              GdkPoint         *points,
  337.              gint              npoints);
  338. void gdk_draw_pixbuf    (GdkDrawable      *drawable,
  339.              GdkGC            *gc,
  340.              GdkPixbuf        *pixbuf,
  341.              gint              src_x,
  342.              gint              src_y,
  343.              gint              dest_x,
  344.              gint              dest_y,
  345.              gint              width,
  346.              gint              height,
  347.              GdkRgbDither      dither,
  348.              gint              x_dither,
  349.              gint              y_dither);
  350.  
  351. void gdk_draw_glyphs      (GdkDrawable      *drawable,
  352.                GdkGC            *gc,
  353.                PangoFont        *font,
  354.                gint              x,
  355.                gint              y,
  356.                PangoGlyphString *glyphs);
  357. void gdk_draw_layout_line (GdkDrawable      *drawable,
  358.                GdkGC            *gc,
  359.                gint              x,
  360.                gint              y,
  361.                PangoLayoutLine  *line);
  362. void gdk_draw_layout      (GdkDrawable      *drawable,
  363.                GdkGC            *gc,
  364.                gint              x,
  365.                gint              y,
  366.                PangoLayout      *layout);
  367.  
  368. void gdk_draw_layout_line_with_colors (GdkDrawable     *drawable,
  369.                                        GdkGC           *gc,
  370.                                        gint             x,
  371.                                        gint             y,
  372.                                        PangoLayoutLine *line,
  373.                                        const GdkColor  *foreground,
  374.                                        const GdkColor  *background);
  375. void gdk_draw_layout_with_colors      (GdkDrawable     *drawable,
  376.                                        GdkGC           *gc,
  377.                                        gint             x,
  378.                                        gint             y,
  379.                                        PangoLayout     *layout,
  380.                                        const GdkColor  *foreground,
  381.                                        const GdkColor  *background);
  382.  
  383. void gdk_draw_glyphs_transformed (GdkDrawable      *drawable,
  384.                   GdkGC               *gc,
  385.                   PangoMatrix      *matrix,
  386.                   PangoFont        *font,
  387.                   gint              x,
  388.                   gint              y,
  389.                   PangoGlyphString *glyphs);
  390. void gdk_draw_trapezoids         (GdkDrawable      *drawable,
  391.                   GdkGC               *gc,
  392.                   GdkTrapezoid     *trapezoids,
  393.                   gint              n_trapezoids);
  394.  
  395. #ifndef GDK_DISABLE_DEPRECATED
  396. #define gdk_draw_pixmap                gdk_draw_drawable
  397. #define gdk_draw_bitmap                gdk_draw_drawable
  398. #endif /* GDK_DISABLE_DEPRECATED */
  399.  
  400. GdkImage* gdk_drawable_get_image      (GdkDrawable *drawable,
  401.                                        gint         x,
  402.                                        gint         y,
  403.                                        gint         width,
  404.                                        gint         height);
  405. GdkImage *gdk_drawable_copy_to_image (GdkDrawable  *drawable,
  406.                       GdkImage     *image,
  407.                       gint          src_x,
  408.                       gint          src_y,
  409.                       gint          dest_x,
  410.                       gint          dest_y,
  411.                       gint          width,
  412.                       gint          height);
  413.  
  414. GdkRegion *gdk_drawable_get_clip_region    (GdkDrawable *drawable);
  415. GdkRegion *gdk_drawable_get_visible_region (GdkDrawable *drawable);
  416.  
  417. G_END_DECLS
  418.  
  419. #endif /* __GDK_DRAWABLE_H__ */
  420.