[gtk+/rendering-cleanup: 57/63] style: Replace draw_diamond vfunc with Cairo calls

[Benjamin Otte <otte src gnome org>]

commit aa6e523a4b11703b4f143c9909ae39f5a61e01ad
Author: Benjamin Otte <otte redhat com>
Date:   Thu Jul 15 00:35:15 2010 +0200

    style: Replace draw_diamond vfunc with Cairo calls

 gtk/gtkstyle.c |  168 +++++++++++++++++++++++++++-----------------------------
 1 files changed, 81 insertions(+), 87 deletions(-)
---
diff --git a/gtk/gtkstyle.c b/gtk/gtkstyle.c
index 8e7c290..2e4f823 100644
--- a/gtk/gtkstyle.c
+++ b/gtk/gtkstyle.c
@@ -2483,68 +2483,61 @@ gtk_default_draw_diamond (GtkStyle      *style,
 {
   gint half_width;
   gint half_height;
-  GdkGC *outer_nw = NULL;
-  GdkGC *outer_ne = NULL;
-  GdkGC *outer_sw = NULL;
-  GdkGC *outer_se = NULL;
-  GdkGC *middle_nw = NULL;
-  GdkGC *middle_ne = NULL;
-  GdkGC *middle_sw = NULL;
-  GdkGC *middle_se = NULL;
-  GdkGC *inner_nw = NULL;
-  GdkGC *inner_ne = NULL;
-  GdkGC *inner_sw = NULL;
-  GdkGC *inner_se = NULL;
+  GdkColor *outer_nw = NULL;
+  GdkColor *outer_ne = NULL;
+  GdkColor *outer_sw = NULL;
+  GdkColor *outer_se = NULL;
+  GdkColor *middle_nw = NULL;
+  GdkColor *middle_ne = NULL;
+  GdkColor *middle_sw = NULL;
+  GdkColor *middle_se = NULL;
+  GdkColor *inner_nw = NULL;
+  GdkColor *inner_ne = NULL;
+  GdkColor *inner_sw = NULL;
+  GdkColor *inner_se = NULL;
+  cairo_t *cr;
   
   sanitize_size (window, &width, &height);
   
   half_width = width / 2;
   half_height = height / 2;
   
-  if (area)
-    {
-      gdk_gc_set_clip_rectangle (style->light_gc[state_type], area);
-      gdk_gc_set_clip_rectangle (style->bg_gc[state_type], area);
-      gdk_gc_set_clip_rectangle (style->dark_gc[state_type], area);
-      gdk_gc_set_clip_rectangle (style->black_gc, area);
-    }
-  
   switch (shadow_type)
     {
     case GTK_SHADOW_IN:
-      inner_sw = inner_se = style->bg_gc[state_type];
-      middle_sw = middle_se = style->light_gc[state_type];
-      outer_sw = outer_se = style->light_gc[state_type];
-      inner_nw = inner_ne = style->black_gc;
-      middle_nw = middle_ne = style->dark_gc[state_type];
-      outer_nw = outer_ne = style->dark_gc[state_type];
+      inner_sw = inner_se = &style->bg[state_type];
+      middle_sw = middle_se = &style->light[state_type];
+      outer_sw = outer_se = &style->light[state_type];
+      inner_nw = inner_ne = &style->black;
+      middle_nw = middle_ne = &style->dark[state_type];
+      outer_nw = outer_ne = &style->dark[state_type];
       break;
           
     case GTK_SHADOW_OUT:
-      inner_sw = inner_se = style->dark_gc[state_type];
-      middle_sw = middle_se = style->dark_gc[state_type];
-      outer_sw = outer_se = style->black_gc;
-      inner_nw = inner_ne = style->bg_gc[state_type];
-      middle_nw = middle_ne = style->light_gc[state_type];
-      outer_nw = outer_ne = style->light_gc[state_type];
+      inner_sw = inner_se = &style->dark[state_type];
+      middle_sw = middle_se = &style->dark[state_type];
+      outer_sw = outer_se = &style->black;
+      inner_nw = inner_ne = &style->bg[state_type];
+      middle_nw = middle_ne = &style->light[state_type];
+      outer_nw = outer_ne = &style->light[state_type];
       break;
 
     case GTK_SHADOW_ETCHED_IN:
-      inner_sw = inner_se = style->bg_gc[state_type];
-      middle_sw = middle_se = style->dark_gc[state_type];
-      outer_sw = outer_se = style->light_gc[state_type];
-      inner_nw = inner_ne = style->bg_gc[state_type];
-      middle_nw = middle_ne = style->light_gc[state_type];
-      outer_nw = outer_ne = style->dark_gc[state_type];
+      inner_sw = inner_se = &style->bg[state_type];
+      middle_sw = middle_se = &style->dark[state_type];
+      outer_sw = outer_se = &style->light[state_type];
+      inner_nw = inner_ne = &style->bg[state_type];
+      middle_nw = middle_ne = &style->light[state_type];
+      outer_nw = outer_ne = &style->dark[state_type];
       break;
 
     case GTK_SHADOW_ETCHED_OUT:
-      inner_sw = inner_se = style->bg_gc[state_type];
-      middle_sw = middle_se = style->light_gc[state_type];
-      outer_sw = outer_se = style->dark_gc[state_type];
-      inner_nw = inner_ne = style->bg_gc[state_type];
-      middle_nw = middle_ne = style->dark_gc[state_type];
-      outer_nw = outer_ne = style->light_gc[state_type];
+      inner_sw = inner_se = &style->bg[state_type];
+      middle_sw = middle_se = &style->light[state_type];
+      outer_sw = outer_se = &style->dark[state_type];
+      inner_nw = inner_ne = &style->bg[state_type];
+      middle_nw = middle_ne = &style->dark[state_type];
+      outer_nw = outer_ne = &style->light[state_type];
       break;
       
     default:
@@ -2552,54 +2545,55 @@ gtk_default_draw_diamond (GtkStyle      *style,
       break;
     }
 
-  if (inner_sw)
+  cr = gdk_cairo_create (window);
+  if (area)
     {
-      gdk_draw_line (window, inner_sw,
-                     x + 2, y + half_height,
-                     x + half_width, y + height - 2);
-      gdk_draw_line (window, inner_se,
-                     x + half_width, y + height - 2,
-                     x + width - 2, y + half_height);
-      gdk_draw_line (window, middle_sw,
-                     x + 1, y + half_height,
-                     x + half_width, y + height - 1);
-      gdk_draw_line (window, middle_se,
-                     x + half_width, y + height - 1,
-                     x + width - 1, y + half_height);
-      gdk_draw_line (window, outer_sw,
-                     x, y + half_height,
-                     x + half_width, y + height);
-      gdk_draw_line (window, outer_se,
-                     x + half_width, y + height,
-                     x + width, y + half_height);
-  
-      gdk_draw_line (window, inner_nw,
-                     x + 2, y + half_height,
-                     x + half_width, y + 2);
-      gdk_draw_line (window, inner_ne,
-                     x + half_width, y + 2,
-                     x + width - 2, y + half_height);
-      gdk_draw_line (window, middle_nw,
-                     x + 1, y + half_height,
-                     x + half_width, y + 1);
-      gdk_draw_line (window, middle_ne,
-                     x + half_width, y + 1,
-                     x + width - 1, y + half_height);
-      gdk_draw_line (window, outer_nw,
-                     x, y + half_height,
-                     x + half_width, y);
-      gdk_draw_line (window, outer_ne,
-                     x + half_width, y,
-                     x + width, y + half_height);
+      gdk_cairo_rectangle (cr, area);
+      cairo_clip (cr);
     }
   
-  if (area)
+  if (inner_sw)
     {
-      gdk_gc_set_clip_rectangle (style->light_gc[state_type], NULL);
-      gdk_gc_set_clip_rectangle (style->bg_gc[state_type], NULL);
-      gdk_gc_set_clip_rectangle (style->dark_gc[state_type], NULL);
-      gdk_gc_set_clip_rectangle (style->black_gc, NULL);
+      _cairo_draw_line (cr, inner_sw,
+                        x + 2, y + half_height,
+                        x + half_width, y + height - 2);
+      _cairo_draw_line (cr, inner_se,
+                        x + half_width, y + height - 2,
+                        x + width - 2, y + half_height);
+      _cairo_draw_line (cr, middle_sw,
+                        x + 1, y + half_height,
+                        x + half_width, y + height - 1);
+      _cairo_draw_line (cr, middle_se,
+                        x + half_width, y + height - 1,
+                        x + width - 1, y + half_height);
+      _cairo_draw_line (cr, outer_sw,
+                        x, y + half_height,
+                        x + half_width, y + height);
+      _cairo_draw_line (cr, outer_se,
+                        x + half_width, y + height,
+                        x + width, y + half_height);
+  
+      _cairo_draw_line (cr, inner_nw,
+                        x + 2, y + half_height,
+                        x + half_width, y + 2);
+      _cairo_draw_line (cr, inner_ne,
+                        x + half_width, y + 2,
+                        x + width - 2, y + half_height);
+      _cairo_draw_line (cr, middle_nw,
+                        x + 1, y + half_height,
+                        x + half_width, y + 1);
+      _cairo_draw_line (cr, middle_ne,
+                        x + half_width, y + 1,
+                        x + width - 1, y + half_height);
+      _cairo_draw_line (cr, outer_nw,
+                        x, y + half_height,
+                        x + half_width, y);
+      _cairo_draw_line (cr, outer_ne,
+                        x + half_width, y,
+                        x + width, y + half_height);
     }
+  
+  cairo_destroy (cr);
 }
 
 static void