[gtk+] API: remove gdk_draw_trapezoids() and GdkTrapezoid struct

[Benjamin Otte <otte src gnome org>]

commit 92f488249737542b0a41da0e63ef5dbfe2daa76a
Author: Benjamin Otte <otte redhat com>
Date:   Wed Jul 14 14:37:23 2010 +0200

    API: remove gdk_draw_trapezoids() and GdkTrapezoid struct

 docs/reference/gdk/gdk3-sections.txt |    2 -
 docs/reference/gdk/tmpl/drawing.sgml |   25 -------------------
 gdk/gdk.symbols                      |    1 -
 gdk/gdkdraw.c                        |   45 ----------------------------------
 gdk/gdkdrawable.h                    |   15 -----------
 gdk/gdkpixmap.c                      |   18 -------------
 gdk/gdkwindow.c                      |   44 ---------------------------------
 7 files changed, 0 insertions(+), 150 deletions(-)
---
diff --git a/docs/reference/gdk/gdk3-sections.txt b/docs/reference/gdk/gdk3-sections.txt
index 12d2f37..e9bd33e 100644
--- a/docs/reference/gdk/gdk3-sections.txt
+++ b/docs/reference/gdk/gdk3-sections.txt
@@ -342,8 +342,6 @@ gdk_draw_segments
 GdkSegment
 gdk_draw_rectangle
 gdk_draw_polygon
-gdk_draw_trapezoids
-GdkTrapezoid
 gdk_draw_glyphs
 gdk_draw_glyphs_transformed
 gdk_draw_layout_line
diff --git a/docs/reference/gdk/tmpl/drawing.sgml b/docs/reference/gdk/tmpl/drawing.sgml
index 1ada3dd..3b7b4be 100644
--- a/docs/reference/gdk/tmpl/drawing.sgml
+++ b/docs/reference/gdk/tmpl/drawing.sgml
@@ -219,31 +219,6 @@ function.
 @n_points: 
 
 
-<!-- ##### FUNCTION gdk_draw_trapezoids ##### -->
-<para>
-
-</para>
-
- drawable: 
- gc: 
- trapezoids: 
- n_trapezoids: 
-
-
-<!-- ##### STRUCT GdkTrapezoid ##### -->
-<para>
-Specifies a trapezpoid for use by the gdk_draw_trapezoids().
-The trapezoids used here have parallel, horizontal top and 
-bottom edges. 
-</para>
-
- y1: the y coordinate of the start point.
- x11: the x coordinate of the top left corner
- x21: the x coordinate of the top right corner
- y2: the y coordinate of the end point.
- x12: the x coordinate of the bottom left corner
- x22: the x coordinate of the bottom right corner
-
 <!-- ##### FUNCTION gdk_draw_glyphs ##### -->
 <para>
 
diff --git a/gdk/gdk.symbols b/gdk/gdk.symbols
index 81348c3..be739e7 100644
--- a/gdk/gdk.symbols
+++ b/gdk/gdk.symbols
@@ -559,7 +559,6 @@ gdk_draw_points
 gdk_draw_polygon
 gdk_draw_rectangle
 gdk_draw_segments
-gdk_draw_trapezoids
 #endif
 #endif
 
diff --git a/gdk/gdkdraw.c b/gdk/gdkdraw.c
index 2a5c36b..933cc94 100644
--- a/gdk/gdkdraw.c
+++ b/gdk/gdkdraw.c
@@ -637,51 +637,6 @@ gdk_draw_glyphs_transformed (GdkDrawable       *drawable,
 		    x / PANGO_SCALE, y / PANGO_SCALE, glyphs);
 }
 
-/**
- * gdk_draw_trapezoids:
- * @drawable: a #GdkDrawable
- * @gc: a #GdkGC
- * @trapezoids: an array of #GdkTrapezoid structures
- * @n_trapezoids: the number of trapezoids to draw
- * 
- * Draws a set of anti-aliased trapezoids. The trapezoids are
- * combined using saturation addition, then drawn over the background
- * as a set. This is low level functionality used internally to implement
- * rotated underlines and backgrouds when rendering a PangoLayout and is
- * likely not useful for applications.
- *
- * Since: 2.6
- **/
-void
-gdk_draw_trapezoids (GdkDrawable        *drawable,
-		     GdkGC	        *gc,
-		     const GdkTrapezoid *trapezoids,
-		     gint                n_trapezoids)
-{
-  cairo_t *cr;
-  int i;
-
-  g_return_if_fail (GDK_IS_DRAWABLE (drawable));
-  g_return_if_fail (GDK_IS_GC (gc));
-  g_return_if_fail (n_trapezoids == 0 || trapezoids != NULL);
-
-  cr = gdk_cairo_create (drawable);
-  _gdk_gc_update_context (gc, cr, NULL, NULL, TRUE, drawable);
-  
-  for (i = 0; i < n_trapezoids; i++)
-    {
-      cairo_move_to (cr, trapezoids[i].x11, trapezoids[i].y1);
-      cairo_line_to (cr, trapezoids[i].x21, trapezoids[i].y1);
-      cairo_line_to (cr, trapezoids[i].x22, trapezoids[i].y2);
-      cairo_line_to (cr, trapezoids[i].x12, trapezoids[i].y2);
-      cairo_close_path (cr);
-    }
-
-  cairo_fill (cr);
-
-  cairo_destroy (cr);
-}
-
 static GdkDrawable *
 gdk_drawable_real_get_composite_drawable (GdkDrawable *drawable,
                                           gint         x,
diff --git a/gdk/gdkdrawable.h b/gdk/gdkdrawable.h
index 84a981e..5a94f84 100644
--- a/gdk/gdkdrawable.h
+++ b/gdk/gdkdrawable.h
@@ -40,7 +40,6 @@
 G_BEGIN_DECLS
 
 typedef struct _GdkDrawableClass GdkDrawableClass;
-typedef struct _GdkTrapezoid     GdkTrapezoid;
 
 #define GDK_TYPE_DRAWABLE              (gdk_drawable_get_type ())
 #define GDK_DRAWABLE(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_DRAWABLE, GdkDrawable))
@@ -132,10 +131,6 @@ struct _GdkDrawableClass
 				   gint              x,
 				   gint              y,
 				   PangoGlyphString *glyphs);
-  void (*draw_trapezoids)         (GdkDrawable      *drawable,
-				   GdkGC	    *gc,
-				   GdkTrapezoid     *trapezoids,
-				   gint              n_trapezoids);
 
   cairo_surface_t *(*ref_cairo_surface) (GdkDrawable *drawable);
 
@@ -170,11 +165,6 @@ struct _GdkDrawableClass
   void         (*_gdk_reserved15) (void);
 };
 
-struct _GdkTrapezoid
-{
-  double y1, x11, x21, y2, x12, x22;
-};
-
 GType           gdk_drawable_get_type     (void) G_GNUC_CONST;
 
 /* Manipulation of drawables
@@ -275,11 +265,6 @@ void gdk_draw_glyphs_transformed (GdkDrawable        *drawable,
 				  gint                x,
 				  gint                y,
 				  PangoGlyphString   *glyphs);
-void gdk_draw_trapezoids         (GdkDrawable        *drawable,
-				  GdkGC	             *gc,
-				  const GdkTrapezoid *trapezoids,
-				  gint                n_trapezoids);
-
 
 cairo_region_t *gdk_drawable_get_clip_region    (GdkDrawable *drawable);
 cairo_region_t *gdk_drawable_get_visible_region (GdkDrawable *drawable);
diff --git a/gdk/gdkpixmap.c b/gdk/gdkpixmap.c
index c355860..dd4eb12 100644
--- a/gdk/gdkpixmap.c
+++ b/gdk/gdkpixmap.c
@@ -83,11 +83,6 @@ static void gdk_pixmap_draw_glyphs_transformed (GdkDrawable      *drawable,
 						gint              y,
 						PangoGlyphString *glyphs);
 
-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);
@@ -153,7 +148,6 @@ gdk_pixmap_class_init (GdkPixmapObjectClass *klass)
   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_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;
@@ -351,18 +345,6 @@ gdk_pixmap_draw_glyphs_transformed (GdkDrawable      *drawable,
 }
 
 static void
-gdk_pixmap_draw_trapezoids (GdkDrawable     *drawable,
-			    GdkGC	    *gc,
-			    GdkTrapezoid    *trapezoids,
-			    gint             n_trapezoids)
-{
-  GdkPixmapObject *private = (GdkPixmapObject *)drawable;
-
-  _gdk_gc_remove_drawable_clip (gc);  
-  gdk_draw_trapezoids (private->impl, gc, trapezoids, n_trapezoids);
-}
-
-static void
 gdk_pixmap_real_get_size (GdkDrawable *drawable,
                           gint *width,
                           gint *height)
diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index de120c1..e636193 100644
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -278,11 +278,6 @@ static void gdk_window_draw_glyphs_transformed (GdkDrawable      *drawable,
 						gint              y,
 						PangoGlyphString *glyphs);
 
-static void gdk_window_draw_trapezoids (GdkDrawable   *drawable,
-					GdkGC	      *gc,
-					GdkTrapezoid  *trapezoids,
-					gint           n_trapezoids);
-
 static cairo_surface_t *gdk_window_ref_cairo_surface (GdkDrawable *drawable);
 static cairo_surface_t *gdk_window_create_cairo_surface (GdkDrawable *drawable,
 							 int width,
@@ -468,7 +463,6 @@ gdk_window_class_init (GdkWindowObjectClass *klass)
   drawable_class->draw_lines = gdk_window_draw_lines;
   drawable_class->draw_glyphs = gdk_window_draw_glyphs;
   drawable_class->draw_glyphs_transformed = gdk_window_draw_glyphs_transformed;
-  drawable_class->draw_trapezoids = gdk_window_draw_trapezoids;
   drawable_class->get_depth = gdk_window_real_get_depth;
   drawable_class->get_screen = gdk_window_real_get_screen;
   drawable_class->get_size = gdk_window_real_get_size;
@@ -4763,44 +4757,6 @@ gdk_window_clear_area_e (GdkWindow *window,
 }
 
 static void
-gdk_window_draw_trapezoids (GdkDrawable   *drawable,
-			    GdkGC	  *gc,
-			    GdkTrapezoid  *trapezoids,
-			    gint           n_trapezoids)
-{
-  GdkTrapezoid *new_trapezoids = NULL;
-
-  if (GDK_WINDOW_DESTROYED (drawable))
-    return;
-
-  BEGIN_DRAW;
-
-  if (x_offset != 0 || y_offset != 0)
-    {
-      gint i;
-
-      new_trapezoids = g_new (GdkTrapezoid, n_trapezoids);
-      for (i=0; i < n_trapezoids; i++)
-	{
-	  new_trapezoids[i].y1 = trapezoids[i].y1 - y_offset;
-	  new_trapezoids[i].x11 = trapezoids[i].x11 - x_offset;
-	  new_trapezoids[i].x21 = trapezoids[i].x21 - x_offset;
-	  new_trapezoids[i].y2 = trapezoids[i].y2 - y_offset;
-	  new_trapezoids[i].x12 = trapezoids[i].x12 - x_offset;
-	  new_trapezoids[i].x22 = trapezoids[i].x22 - x_offset;
-	}
-
-      trapezoids = new_trapezoids;
-    }
-
-  gdk_draw_trapezoids (impl, gc, trapezoids, n_trapezoids);
-
-  g_free (new_trapezoids);
-
-  END_DRAW;
-}
-
-static void
 gdk_window_real_get_size (GdkDrawable *drawable,
 			  gint *width,
 			  gint *height)