[gtk+/wip/otte/rendernode: 33/34] cssimage: Port a few more simple ones to snapshots

[Benjamin Otte <otte src gnome org>]

commit 253f18f4a62e75c7c54625cd43d02bdc125e1538
Author: Benjamin Otte <otte redhat com>
Date:   Wed Dec 14 04:55:24 2016 +0100

    cssimage: Port a few more simple ones to snapshots

 gtk/gtkcssimageicontheme.c |   36 +++++++++++++++++++++++-------------
 gtk/gtkcssimagescaled.c    |   12 ++++++------
 gtk/gtkcssimageurl.c       |   12 ++++++------
 3 files changed, 35 insertions(+), 25 deletions(-)
---
diff --git a/gtk/gtkcssimageicontheme.c b/gtk/gtkcssimageicontheme.c
index 4451e19..3037257 100644
--- a/gtk/gtkcssimageicontheme.c
+++ b/gtk/gtkcssimageicontheme.c
@@ -26,6 +26,7 @@
 #include "gtkcssiconthemevalueprivate.h"
 #include "gtkcssrgbavalueprivate.h"
 #include "gtksettingsprivate.h"
+#include "gtksnapshot.h"
 #include "gtkstyleproviderprivate.h"
 #include "gtkiconthemeprivate.h"
 
@@ -39,15 +40,17 @@ gtk_css_image_icon_theme_get_aspect_ratio (GtkCssImage *image)
 }
 
 static void
-gtk_css_image_icon_theme_draw (GtkCssImage        *image,
-                               cairo_t            *cr,
-                               double              width,
-                               double              height)
+gtk_css_image_icon_theme_snapshot (GtkCssImage *image,
+                                   GtkSnapshot *snapshot,
+                                   double       width,
+                                   double       height)
 {
   GtkCssImageIconTheme *icon_theme = GTK_CSS_IMAGE_ICON_THEME (image);
   GError *error = NULL;
   GtkIconInfo *icon_info;
+  GskTexture *texture;
   GdkPixbuf *pixbuf;
+  double texture_width, texture_height;
   gint size;
 
   size = floor (MIN (width, height));
@@ -79,14 +82,21 @@ gtk_css_image_icon_theme_draw (GtkCssImage        *image,
       return;
     }
 
-  cairo_translate (cr, width / 2.0, height / 2.0);
-  cairo_scale (cr, 1.0 / icon_theme->scale, 1.0 / icon_theme->scale);
-  gdk_cairo_set_source_pixbuf (cr,
-                               pixbuf,
-                               - gdk_pixbuf_get_width (pixbuf) / 2.0,
-                               - gdk_pixbuf_get_height (pixbuf) / 2.0);
-  cairo_paint (cr);
-
+  texture = gsk_texture_new_for_pixbuf (pixbuf);
+  texture_width = (double) gdk_pixbuf_get_width (pixbuf) / icon_theme->scale;
+  texture_height = (double) gdk_pixbuf_get_height (pixbuf) / icon_theme->scale;
+
+  gtk_snapshot_append_texture_node (snapshot,
+                                    texture,
+                                    &GRAPHENE_RECT_INIT(
+                                        (width - texture_width) / 2.0,
+                                        (height - texture_height) / 2.0,
+                                        texture_width,
+                                        texture_height
+                                    ),
+                                    "CssImageIconTheme<%s@%d>", icon_theme->name, icon_theme->scale);
+
+  gsk_texture_unref (texture);
   g_object_unref (pixbuf);
   g_object_unref (icon_info);
 }
@@ -175,7 +185,7 @@ _gtk_css_image_icon_theme_class_init (GtkCssImageIconThemeClass *klass)
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 
   image_class->get_aspect_ratio = gtk_css_image_icon_theme_get_aspect_ratio;
-  image_class->draw = gtk_css_image_icon_theme_draw;
+  image_class->snapshot = gtk_css_image_icon_theme_snapshot;
   image_class->parse = gtk_css_image_icon_theme_parse;
   image_class->print = gtk_css_image_icon_theme_print;
   image_class->compute = gtk_css_image_icon_theme_compute;
diff --git a/gtk/gtkcssimagescaled.c b/gtk/gtkcssimagescaled.c
index 1169f10..4de2423 100644
--- a/gtk/gtkcssimagescaled.c
+++ b/gtk/gtkcssimagescaled.c
@@ -50,14 +50,14 @@ gtk_css_image_scaled_get_aspect_ratio (GtkCssImage *image)
 }
 
 static void
-gtk_css_image_scaled_draw (GtkCssImage *image,
-                          cairo_t     *cr,
-                          double       width,
-                          double       height)
+gtk_css_image_scaled_snapshot (GtkCssImage *image,
+                               GtkSnapshot *snapshot,
+                               double       width,
+                               double       height)
 {
   GtkCssImageScaled *scaled = GTK_CSS_IMAGE_SCALED (image);
 
-  _gtk_css_image_draw (scaled->images[scaled->scale - 1], cr, width, height);
+  gtk_css_image_snapshot (scaled->images[scaled->scale - 1], snapshot, width, height);
 }
 
 static void
@@ -189,7 +189,7 @@ _gtk_css_image_scaled_class_init (GtkCssImageScaledClass *klass)
   image_class->get_width = gtk_css_image_scaled_get_width;
   image_class->get_height = gtk_css_image_scaled_get_height;
   image_class->get_aspect_ratio = gtk_css_image_scaled_get_aspect_ratio;
-  image_class->draw = gtk_css_image_scaled_draw;
+  image_class->snapshot = gtk_css_image_scaled_snapshot;
   image_class->parse = gtk_css_image_scaled_parse;
   image_class->compute = gtk_css_image_scaled_compute;
   image_class->print = gtk_css_image_scaled_print;
diff --git a/gtk/gtkcssimageurl.c b/gtk/gtkcssimageurl.c
index 03e80a0..ffde548 100644
--- a/gtk/gtkcssimageurl.c
+++ b/gtk/gtkcssimageurl.c
@@ -114,14 +114,14 @@ gtk_css_image_url_get_aspect_ratio (GtkCssImage *image)
 }
 
 static void
-gtk_css_image_url_draw (GtkCssImage        *image,
-                        cairo_t            *cr,
-                        double              width,
-                        double              height)
+gtk_css_image_url_snapshot (GtkCssImage *image,
+                            GtkSnapshot *snapshot,
+                            double       width,
+                            double       height)
 {
   GtkCssImageUrl *url = GTK_CSS_IMAGE_URL (image);
 
-  _gtk_css_image_draw (gtk_css_image_url_load_image (url, NULL), cr, width, height);
+  gtk_css_image_snapshot (gtk_css_image_url_load_image (url, NULL), snapshot, width, height);
 }
 
 static GtkCssImage *
@@ -189,7 +189,7 @@ _gtk_css_image_url_class_init (GtkCssImageUrlClass *klass)
   image_class->get_height = gtk_css_image_url_get_height;
   image_class->get_aspect_ratio = gtk_css_image_url_get_aspect_ratio;
   image_class->compute = gtk_css_image_url_compute;
-  image_class->draw = gtk_css_image_url_draw;
+  image_class->snapshot = gtk_css_image_url_snapshot;
   image_class->parse = gtk_css_image_url_parse;
   image_class->print = gtk_css_image_url_print;