]> Pileus Git - ~andy/gtk/blobdiff - gdk/gdkpixmap.c
changed values from G_MAXUINT-0, -1, -2 to -1, -2, -3 so we stay within
[~andy/gtk] / gdk / gdkpixmap.c
index 70c825f91583ec544610369bedb80035ecdf169e..fdd9764e19b90fdd7da9bc12941f24fe0f411d77 100644 (file)
@@ -2,44 +2,48 @@
  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
  *
  * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
+ * 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
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU Library General Public
+ * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the
  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  * Boston, MA 02111-1307, USA.
  */
 
 /*
- * Modified by the GTK+ Team and others 1997-1999.  See the AUTHORS
+ * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  * file for a list of people on the GTK+ Team.  See the ChangeLog
  * files for a list of changes.  These files are distributed with
  * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
  */
 
+#include <config.h>
 #include "gdkpixmap.h"
 #include "gdkinternals.h"
+#include "gdkpixbuf.h"
+#include "gdkscreen.h"
+#include "gdkalias.h"
 
 static GdkGC *gdk_pixmap_create_gc      (GdkDrawable     *drawable,
                                          GdkGCValues     *values,
                                          GdkGCValuesMask  mask);
 static void   gdk_pixmap_draw_rectangle (GdkDrawable     *drawable,
                                         GdkGC           *gc,
-                                        gint             filled,
+                                        gboolean         filled,
                                         gint             x,
                                         gint             y,
                                         gint             width,
                                         gint             height);
 static void   gdk_pixmap_draw_arc       (GdkDrawable     *drawable,
                                         GdkGC           *gc,
-                                        gint             filled,
+                                        gboolean         filled,
                                         gint             x,
                                         gint             y,
                                         gint             width,
@@ -48,7 +52,7 @@ static void   gdk_pixmap_draw_arc       (GdkDrawable     *drawable,
                                         gint             angle2);
 static void   gdk_pixmap_draw_polygon   (GdkDrawable     *drawable,
                                         GdkGC           *gc,
-                                        gint             filled,
+                                        gboolean         filled,
                                         GdkPoint        *points,
                                         gint             npoints);
 static void   gdk_pixmap_draw_text      (GdkDrawable     *drawable,
@@ -86,12 +90,21 @@ static void   gdk_pixmap_draw_lines     (GdkDrawable     *drawable,
                                         GdkGC           *gc,
                                         GdkPoint        *points,
                                         gint             npoints);
-static void   gdk_pixmap_draw_glyphs    (GdkDrawable      *drawable,
-                                         GdkGC            *gc,
-                                         PangoFont        *font,
-                                         gint              x,
-                                         gint              y,
-                                         PangoGlyphString *glyphs);
+
+static void gdk_pixmap_draw_glyphs             (GdkDrawable      *drawable,
+                                               GdkGC            *gc,
+                                               PangoFont        *font,
+                                               gint              x,
+                                               gint              y,
+                                               PangoGlyphString *glyphs);
+static void gdk_pixmap_draw_glyphs_transformed (GdkDrawable      *drawable,
+                                               GdkGC            *gc,
+                                               PangoMatrix      *matrix,
+                                               PangoFont        *font,
+                                               gint              x,
+                                               gint              y,
+                                               PangoGlyphString *glyphs);
+
 static void   gdk_pixmap_draw_image     (GdkDrawable     *drawable,
                                          GdkGC           *gc,
                                          GdkImage        *image,
@@ -101,16 +114,44 @@ static void   gdk_pixmap_draw_image     (GdkDrawable     *drawable,
                                          gint             ydest,
                                          gint             width,
                                          gint             height);
+static void   gdk_pixmap_draw_pixbuf    (GdkDrawable     *drawable,
+                                        GdkGC           *gc,
+                                        GdkPixbuf       *pixbuf,
+                                        gint             src_x,
+                                        gint             src_y,
+                                        gint             dest_x,
+                                        gint             dest_y,
+                                        gint             width,
+                                        gint             height,
+                                        GdkRgbDither     dither,
+                                        gint             x_dither,
+                                        gint             y_dither);
+static void  gdk_pixmap_draw_trapezoids (GdkDrawable     *drawable,
+                                        GdkGC           *gc,
+                                        GdkTrapezoid    *trapezoids,
+                                        gint             n_trapezoids);
 
 static void   gdk_pixmap_real_get_size  (GdkDrawable     *drawable,
                                          gint            *width,
                                          gint            *height);
 
+static GdkImage* gdk_pixmap_copy_to_image (GdkDrawable *drawable,
+                                          GdkImage    *image,
+                                          gint         src_x,
+                                          gint         src_y,
+                                          gint         dest_x,
+                                          gint         dest_y,
+                                          gint         width,
+                                          gint         height);
+
+static cairo_surface_t *gdk_pixmap_ref_cairo_surface (GdkDrawable *drawable);
+
 static GdkVisual*   gdk_pixmap_real_get_visual   (GdkDrawable *drawable);
 static gint         gdk_pixmap_real_get_depth    (GdkDrawable *drawable);
 static void         gdk_pixmap_real_set_colormap (GdkDrawable *drawable,
                                                   GdkColormap *cmap);
 static GdkColormap* gdk_pixmap_real_get_colormap (GdkDrawable *drawable);
+static GdkScreen*   gdk_pixmap_real_get_screen   (GdkDrawable *drawable);
 
 static void gdk_pixmap_init       (GdkPixmapObject      *pixmap);
 static void gdk_pixmap_class_init (GdkPixmapObjectClass *klass);
@@ -124,24 +165,13 @@ gdk_pixmap_get_type (void)
   static GType object_type = 0;
 
   if (!object_type)
-    {
-      static const GTypeInfo object_info =
-      {
-        sizeof (GdkPixmapObjectClass),
-        (GBaseInitFunc) NULL,
-        (GBaseFinalizeFunc) NULL,
-        (GClassInitFunc) gdk_pixmap_class_init,
-        NULL,           /* class_finalize */
-        NULL,           /* class_data */
-        sizeof (GdkPixmapObject),
-        0,              /* n_preallocs */
-        (GInstanceInitFunc) gdk_pixmap_init,
-      };
-      
-      object_type = g_type_register_static (GDK_TYPE_DRAWABLE,
-                                            "GdkPixmap",
-                                            &object_info);
-    }
+    object_type = g_type_register_static_simple (GDK_TYPE_DRAWABLE,
+                                                "GdkPixmap",
+                                                sizeof (GdkPixmapObjectClass),
+                                                (GClassInitFunc) gdk_pixmap_class_init,
+                                                sizeof (GdkPixmapObject),
+                                                (GInstanceInitFunc) gdk_pixmap_init,
+                                                0);
   
   return object_type;
 }
@@ -150,8 +180,7 @@ static void
 gdk_pixmap_init (GdkPixmapObject *pixmap)
 {
   /* 0-initialization is good for all other fields. */
-  pixmap->impl =
-    GDK_DRAWABLE (g_type_create_instance (_gdk_pixmap_impl_get_type ()));
+  pixmap->impl = g_object_new (_gdk_pixmap_impl_get_type (), NULL);
 }
 
 static void
@@ -175,12 +204,18 @@ gdk_pixmap_class_init (GdkPixmapObjectClass *klass)
   drawable_class->draw_segments = gdk_pixmap_draw_segments;
   drawable_class->draw_lines = gdk_pixmap_draw_lines;
   drawable_class->draw_glyphs = gdk_pixmap_draw_glyphs;
+  drawable_class->draw_glyphs_transformed = gdk_pixmap_draw_glyphs_transformed;
   drawable_class->draw_image = gdk_pixmap_draw_image;
+  drawable_class->draw_pixbuf = gdk_pixmap_draw_pixbuf;
+  drawable_class->draw_trapezoids = gdk_pixmap_draw_trapezoids;
   drawable_class->get_depth = gdk_pixmap_real_get_depth;
+  drawable_class->get_screen = gdk_pixmap_real_get_screen;
   drawable_class->get_size = gdk_pixmap_real_get_size;
   drawable_class->set_colormap = gdk_pixmap_real_set_colormap;
   drawable_class->get_colormap = gdk_pixmap_real_get_colormap;
   drawable_class->get_visual = gdk_pixmap_real_get_visual;
+  drawable_class->_copy_to_image = gdk_pixmap_copy_to_image;
+  drawable_class->ref_cairo_surface = gdk_pixmap_ref_cairo_surface;
 }
 
 static void
@@ -188,7 +223,7 @@ gdk_pixmap_finalize (GObject *object)
 {
   GdkPixmapObject *obj = (GdkPixmapObject *) object;
 
-  g_object_unref (G_OBJECT (obj->impl));
+  g_object_unref (obj->impl);
   obj->impl = NULL;
   
   G_OBJECT_CLASS (parent_class)->finalize (object);
@@ -206,7 +241,7 @@ gdk_pixmap_create_gc (GdkDrawable     *drawable,
 static void
 gdk_pixmap_draw_rectangle (GdkDrawable *drawable,
                           GdkGC       *gc,
-                          gint         filled,
+                          gboolean     filled,
                           gint         x,
                           gint         y,
                           gint         width,
@@ -221,7 +256,7 @@ gdk_pixmap_draw_rectangle (GdkDrawable *drawable,
 static void
 gdk_pixmap_draw_arc (GdkDrawable *drawable,
                     GdkGC       *gc,
-                    gint         filled,
+                    gboolean     filled,
                     gint         x,
                     gint         y,
                     gint         width,
@@ -239,7 +274,7 @@ gdk_pixmap_draw_arc (GdkDrawable *drawable,
 static void
 gdk_pixmap_draw_polygon (GdkDrawable *drawable,
                         GdkGC       *gc,
-                        gint         filled,
+                        gboolean     filled,
                         GdkPoint    *points,
                         gint         npoints)
 {
@@ -342,6 +377,20 @@ gdk_pixmap_draw_glyphs (GdkDrawable      *drawable,
   gdk_draw_glyphs (private->impl, gc, font, x, y, glyphs);
 }
 
+static void
+gdk_pixmap_draw_glyphs_transformed (GdkDrawable      *drawable,
+                                   GdkGC            *gc,
+                                   PangoMatrix      *matrix,
+                                   PangoFont        *font,
+                                   gint              x,
+                                   gint              y,
+                                   PangoGlyphString *glyphs)
+{
+  GdkPixmapObject *private = (GdkPixmapObject *)drawable;
+
+  gdk_draw_glyphs_transformed (private->impl, gc, matrix, font, x, y, glyphs);
+}
+
 static void
 gdk_pixmap_draw_image (GdkDrawable     *drawable,
                        GdkGC           *gc,
@@ -359,6 +408,38 @@ gdk_pixmap_draw_image (GdkDrawable     *drawable,
                   width, height);
 }
 
+static void
+gdk_pixmap_draw_pixbuf (GdkDrawable     *drawable,
+                       GdkGC           *gc,
+                       GdkPixbuf       *pixbuf,
+                       gint             src_x,
+                       gint             src_y,
+                       gint             dest_x,
+                       gint             dest_y,
+                       gint             width,
+                       gint             height,
+                       GdkRgbDither     dither,
+                       gint             x_dither,
+                       gint             y_dither)
+{
+  GdkPixmapObject *private = (GdkPixmapObject *)drawable;
+
+  gdk_draw_pixbuf (private->impl, gc, pixbuf,
+                  src_x, src_y, dest_x, dest_y, width, height,
+                  dither, x_dither, y_dither);
+}
+
+static void
+gdk_pixmap_draw_trapezoids (GdkDrawable     *drawable,
+                           GdkGC           *gc,
+                           GdkTrapezoid    *trapezoids,
+                           gint             n_trapezoids)
+{
+  GdkPixmapObject *private = (GdkPixmapObject *)drawable;
+
+  gdk_draw_trapezoids (private->impl, gc, trapezoids, n_trapezoids);
+}
+
 static void
 gdk_pixmap_real_get_size (GdkDrawable *drawable,
                           gint *width,
@@ -409,3 +490,185 @@ gdk_pixmap_real_get_colormap (GdkDrawable *drawable)
   
   return gdk_drawable_get_colormap (((GdkPixmapObject*)drawable)->impl);
 }
+
+static GdkImage*
+gdk_pixmap_copy_to_image (GdkDrawable     *drawable,
+                         GdkImage        *image,
+                         gint             src_x,
+                         gint             src_y,
+                         gint             dest_x,
+                         gint             dest_y,
+                         gint             width,
+                         gint             height)
+{
+  g_return_val_if_fail (GDK_IS_PIXMAP (drawable), NULL);
+  
+  return gdk_drawable_copy_to_image (((GdkPixmapObject*)drawable)->impl,
+                                    image,
+                                    src_x, src_y, dest_x, dest_y,
+                                    width, height);
+}
+
+static cairo_surface_t *
+gdk_pixmap_ref_cairo_surface (GdkDrawable *drawable)
+{
+  return _gdk_drawable_ref_cairo_surface (((GdkPixmapObject*)drawable)->impl);
+}
+
+static GdkBitmap *
+make_solid_mask (GdkScreen *screen, gint width, gint height)
+{
+  GdkBitmap *bitmap;
+  GdkGC *gc;
+  GdkGCValues gc_values;
+  
+  bitmap = gdk_pixmap_new (gdk_screen_get_root_window (screen),
+                          width, height, 1);
+
+  gc_values.foreground.pixel = 1;
+  gc = gdk_gc_new_with_values (bitmap, &gc_values, GDK_GC_FOREGROUND);
+  
+  gdk_draw_rectangle (bitmap, gc, TRUE, 0, 0, width, height);
+  
+  g_object_unref (gc);
+  
+  return bitmap;
+}
+
+#define PACKED_COLOR(c) ((((c)->red   & 0xff00)  << 8) |   \
+                         ((c)->green & 0xff00)        |   \
+                         ((c)->blue             >> 8))
+
+static GdkPixmap *
+gdk_pixmap_colormap_new_from_pixbuf (GdkColormap    *colormap,
+                                    GdkBitmap     **mask,
+                                    const GdkColor *transparent_color,
+                                    GdkPixbuf      *pixbuf)
+{
+  GdkPixmap *pixmap;
+  GdkPixbuf *render_pixbuf;
+  GdkGC *tmp_gc;
+  GdkScreen *screen = gdk_colormap_get_screen (colormap);
+  
+  pixmap = gdk_pixmap_new (gdk_screen_get_root_window (screen),
+                          gdk_pixbuf_get_width (pixbuf),
+                          gdk_pixbuf_get_height (pixbuf),
+                          gdk_colormap_get_visual (colormap)->depth);
+  gdk_drawable_set_colormap (pixmap, colormap);
+  
+  if (transparent_color)
+    {
+      guint32 packed_color = PACKED_COLOR (transparent_color);
+      render_pixbuf = gdk_pixbuf_composite_color_simple (pixbuf,
+                                                        gdk_pixbuf_get_width (pixbuf),
+                                                        gdk_pixbuf_get_height (pixbuf),
+                                                        GDK_INTERP_NEAREST,
+                                                        255, 16, packed_color, packed_color);
+    }
+  else
+    render_pixbuf = pixbuf;
+
+  tmp_gc = _gdk_drawable_get_scratch_gc (pixmap, FALSE);
+  gdk_draw_pixbuf (pixmap, tmp_gc, render_pixbuf, 0, 0, 0, 0,
+                  gdk_pixbuf_get_width (render_pixbuf),
+                  gdk_pixbuf_get_height (render_pixbuf),
+                  GDK_RGB_DITHER_NORMAL, 0, 0);
+
+  if (render_pixbuf != pixbuf)
+    g_object_unref (render_pixbuf);
+
+  if (mask)
+    gdk_pixbuf_render_pixmap_and_mask_for_colormap (pixbuf, colormap, NULL, mask, 128);
+
+  if (mask && !*mask)
+    *mask = make_solid_mask (screen,
+                            gdk_pixbuf_get_width (pixbuf),
+                            gdk_pixbuf_get_height (pixbuf));
+
+  return pixmap;
+}
+
+GdkPixmap*
+gdk_pixmap_colormap_create_from_xpm (GdkDrawable    *drawable,
+                                    GdkColormap    *colormap,
+                                    GdkBitmap     **mask,
+                                    const GdkColor *transparent_color,
+                                    const gchar    *filename)
+{
+  GdkPixbuf *pixbuf;
+  GdkPixmap *pixmap;
+
+  g_return_val_if_fail (drawable != NULL || colormap != NULL, NULL);
+  g_return_val_if_fail (drawable == NULL || GDK_IS_DRAWABLE (drawable), NULL);
+  g_return_val_if_fail (colormap == NULL || GDK_IS_COLORMAP (colormap), NULL);
+
+  if (colormap == NULL)
+    colormap = gdk_drawable_get_colormap (drawable);
+  
+  pixbuf = gdk_pixbuf_new_from_file (filename, NULL);
+  if (!pixbuf)
+    return NULL;
+
+  pixmap = gdk_pixmap_colormap_new_from_pixbuf (colormap, mask, transparent_color, pixbuf);
+
+  g_object_unref (pixbuf);
+  
+  return pixmap;
+}
+
+GdkPixmap*
+gdk_pixmap_create_from_xpm (GdkDrawable    *drawable,
+                           GdkBitmap     **mask,
+                           const GdkColor *transparent_color,
+                           const gchar    *filename)
+{
+  return gdk_pixmap_colormap_create_from_xpm (drawable, NULL, mask,
+                                             transparent_color, filename);
+}
+
+GdkPixmap*
+gdk_pixmap_colormap_create_from_xpm_d (GdkDrawable    *drawable,
+                                      GdkColormap    *colormap,
+                                      GdkBitmap     **mask,
+                                      const GdkColor *transparent_color,
+                                      gchar         **data)
+{
+  GdkPixbuf *pixbuf;
+  GdkPixmap *pixmap;
+
+  g_return_val_if_fail (drawable != NULL || colormap != NULL, NULL);
+  g_return_val_if_fail (drawable == NULL || GDK_IS_DRAWABLE (drawable), NULL);
+  g_return_val_if_fail (colormap == NULL || GDK_IS_COLORMAP (colormap), NULL);
+
+  if (colormap == NULL)
+    colormap = gdk_drawable_get_colormap (drawable);
+  
+  pixbuf = gdk_pixbuf_new_from_xpm_data ((const char **)data);
+  if (!pixbuf)
+    return NULL;
+
+  pixmap = gdk_pixmap_colormap_new_from_pixbuf (colormap, mask, transparent_color, pixbuf);
+
+  g_object_unref (pixbuf);
+
+  return pixmap;
+}
+
+GdkPixmap*
+gdk_pixmap_create_from_xpm_d (GdkDrawable    *drawable,
+                             GdkBitmap     **mask,
+                             const GdkColor *transparent_color,
+                             gchar         **data)
+{
+  return gdk_pixmap_colormap_create_from_xpm_d (drawable, NULL, mask,
+                                               transparent_color, data);
+}
+
+static GdkScreen*
+gdk_pixmap_real_get_screen (GdkDrawable *drawable)
+{
+    return gdk_drawable_get_screen (GDK_PIXMAP_OBJECT (drawable)->impl);
+}
+
+#define __GDK_PIXMAP_C__
+#include "gdkaliasdef.c"