[gtk+/gtk-2-22] colorsel: Create cursor image using Cairo

[Benjamin Otte <otte src gnome org>]

commit 315c23546dcef4455ff5d8f2907d64b6d0cccc94
Author: Benjamin Otte <otte redhat com>
Date:   Fri Aug 6 18:03:18 2010 +0200

    colorsel: Create cursor image using Cairo

 gtk/gtkcolorsel.c |   65 ++++++++++++++++++++++++++++++++++++++++-------------
 1 files changed, 49 insertions(+), 16 deletions(-)
---
diff --git a/gtk/gtkcolorsel.c b/gtk/gtkcolorsel.c
index a19ec5e..6f260ee 100644
--- a/gtk/gtkcolorsel.c
+++ b/gtk/gtkcolorsel.c
@@ -71,6 +71,7 @@
 /* The cursor for the dropper */
 #define DROPPER_WIDTH 17
 #define DROPPER_HEIGHT 17
+#define DROPPER_STRIDE 4
 #define DROPPER_X_HOT 2
 #define DROPPER_Y_HOT 16
 
@@ -237,18 +238,26 @@ static GtkColorSelectionChangePaletteFunc noscreen_change_palette_hook = default
 static GtkColorSelectionChangePaletteWithScreenFunc change_palette_hook = default_change_palette_func;
 
 static const guchar dropper_bits[] = {
-  0xff, 0x8f, 0x01, 0xff, 0x77, 0x01, 0xff, 0xfb, 0x00, 0xff, 0xf8, 0x00,
-  0x7f, 0xff, 0x00, 0xff, 0x7e, 0x01, 0xff, 0x9d, 0x01, 0xff, 0xd8, 0x01,
-  0x7f, 0xd4, 0x01, 0x3f, 0xee, 0x01, 0x1f, 0xff, 0x01, 0x8f, 0xff, 0x01,
-  0xc7, 0xff, 0x01, 0xe3, 0xff, 0x01, 0xf3, 0xff, 0x01, 0xfd, 0xff, 0x01,
-  0xff, 0xff, 0x01, };
+  0xff, 0x8f, 0x01, 0x00,  0xff, 0x77, 0x01, 0x00,
+  0xff, 0xfb, 0x00, 0x00,  0xff, 0xf8, 0x00, 0x00,
+  0x7f, 0xff, 0x00, 0x00,  0xff, 0x7e, 0x01, 0x00,
+  0xff, 0x9d, 0x01, 0x00,  0xff, 0xd8, 0x01, 0x00,
+  0x7f, 0xd4, 0x01, 0x00,  0x3f, 0xee, 0x01, 0x00,
+  0x1f, 0xff, 0x01, 0x00,  0x8f, 0xff, 0x01, 0x00,
+  0xc7, 0xff, 0x01, 0x00,  0xe3, 0xff, 0x01, 0x00,
+  0xf3, 0xff, 0x01, 0x00,  0xfd, 0xff, 0x01, 0x00,
+  0xff, 0xff, 0x01, 0x00 };
 
 static const guchar dropper_mask[] = {
-  0x00, 0x70, 0x00, 0x00, 0xf8, 0x00, 0x00, 0xfc, 0x01, 0x00, 0xff, 0x01,
-  0x80, 0xff, 0x01, 0x00, 0xff, 0x00, 0x00, 0x7f, 0x00, 0x80, 0x3f, 0x00,
-  0xc0, 0x3f, 0x00, 0xe0, 0x13, 0x00, 0xf0, 0x01, 0x00, 0xf8, 0x00, 0x00,
-  0x7c, 0x00, 0x00, 0x3e, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x0d, 0x00, 0x00,
-  0x02, 0x00, 0x00, };
+  0x00, 0x70, 0x00, 0x00,  0x00, 0xf8, 0x00, 0x00,
+  0x00, 0xfc, 0x01, 0x00,  0x00, 0xff, 0x01, 0x00,
+  0x80, 0xff, 0x01, 0x00,  0x00, 0xff, 0x00, 0x00,
+  0x00, 0x7f, 0x00, 0x00,  0x80, 0x3f, 0x00, 0x00,
+  0xc0, 0x3f, 0x00, 0x00,  0xe0, 0x13, 0x00, 0x00,
+  0xf0, 0x01, 0x00, 0x00,  0xf8, 0x00, 0x00, 0x00,
+  0x7c, 0x00, 0x00, 0x00,  0x3e, 0x00, 0x00, 0x00,
+  0x1e, 0x00, 0x00, 0x00,  0x0d, 0x00, 0x00, 0x00,
+  0x02, 0x00, 0x00, 0x00 };
 
 G_DEFINE_TYPE (GtkColorSelection, gtk_color_selection, GTK_TYPE_VBOX)
 
@@ -1609,16 +1618,40 @@ make_picker_cursor (GdkScreen *screen)
       GdkColor fg = { 0, 0x0000, 0x0000, 0x0000 };
       GdkWindow *window;
       GdkPixmap *pixmap, *mask;
+      cairo_surface_t *image;
+      cairo_t *cr;
 
       window = gdk_screen_get_root_window (screen);
       
-      pixmap =
-	gdk_bitmap_create_from_data (window, (gchar *) dropper_bits,
-				     DROPPER_WIDTH, DROPPER_HEIGHT);
+
+      pixmap = gdk_pixmap_new (window, DROPPER_WIDTH, DROPPER_HEIGHT, 1);
+
+      cr = gdk_cairo_create (pixmap);
+      cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
+      image = cairo_image_surface_create_for_data ((guchar *) dropper_bits,
+                                                   CAIRO_FORMAT_A1,
+                                                   DROPPER_WIDTH,
+                                                   DROPPER_HEIGHT,
+                                                   DROPPER_STRIDE);
+      cairo_set_source_surface (cr, image, 0, 0);
+      cairo_surface_destroy (image);
+      cairo_paint (cr);
+      cairo_destroy (cr);
       
-      mask =
-	gdk_bitmap_create_from_data (window, (gchar *) dropper_mask,
-				     DROPPER_WIDTH, DROPPER_HEIGHT);
+
+      mask = gdk_pixmap_new (window, DROPPER_WIDTH, DROPPER_HEIGHT, 1);
+
+      cr = gdk_cairo_create (mask);
+      cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
+      image = cairo_image_surface_create_for_data ((guchar *) dropper_mask,
+                                                   CAIRO_FORMAT_A1,
+                                                   DROPPER_WIDTH,
+                                                   DROPPER_HEIGHT,
+                                                   DROPPER_STRIDE);
+      cairo_set_source_surface (cr, image, 0, 0);
+      cairo_surface_destroy (image);
+      cairo_paint (cr);
+      cairo_destroy (cr);
       
       cursor = gdk_cursor_new_from_pixmap (pixmap, mask, &fg, &bg,
 					   DROPPER_X_HOT, DROPPER_Y_HOT);