add aa render function. (gnome_canvas_pixbuf_class_init): add

1999-11-02  Larry Ewing  <lewing@gimp.org>

	* src/gnome-canvas-pixbuf.c (gnome_canvas_pixbuf_render): add aa
	render function.
	(gnome_canvas_pixbuf_class_init): add gnome_canvas_pixbuf_render
	to class.

diff --git a/gdk-pixbuf/ChangeLog b/gdk-pixbuf/ChangeLog
index 2e25a59e40ffbf368f6dd951570f12c12a9f3b19..c13270fef3451a8019477d5592a24d8a249a59be 100644 (file)
--- a/gdk-pixbuf/ChangeLog
+++ b/gdk-pixbuf/ChangeLog
@@ -1,3 +1,10 @@
+1999-11-02  Larry Ewing  <lewing@gimp.org>
+
+       * src/gnome-canvas-pixbuf.c (gnome_canvas_pixbuf_render): add aa
+       render function.
+       (gnome_canvas_pixbuf_class_init): add gnome_canvas_pixbuf_render
+       to class.
+       
 1999-11-02  Federico Mena Quintero  <federico@redhat.com>
 
        * src/gnome-canvas-pixbuf.c (compute_render_affine): Moved the

diff --git a/gdk-pixbuf/gnome-canvas-pixbuf.c b/gdk-pixbuf/gnome-canvas-pixbuf.c
index aea5334c432080985061babc58be883e6451e5d2..7f77eda8d86d0eddc81656bbc4f93a7346ede4a2 100644 (file)
--- a/gdk-pixbuf/gnome-canvas-pixbuf.c
+++ b/gdk-pixbuf/gnome-canvas-pixbuf.c
@@ -24,6 +24,7 @@
 #include <math.h>
 #include "gdk-pixbuf.h"
 #include "gnome-canvas-pixbuf.h"
+#include "libart_lgpl/art_rgb_pixbuf_affine.h"
 
 \f
 
@@ -79,6 +80,7 @@ static double gnome_canvas_pixbuf_point (GnomeCanvasItem *item, double x, double
                                         GnomeCanvasItem **actual_item);
 static void gnome_canvas_pixbuf_bounds (GnomeCanvasItem *item,
                                        double *x1, double *y1, double *x2, double *y2);
+static void gnome_canvas_pixbuf_render (GnomeCanvasItem *item, GnomeCanvasBuf *buf);
 
 static GnomeCanvasItemClass *parent_class;
 
@@ -152,6 +154,7 @@ gnome_canvas_pixbuf_class_init (GnomeCanvasPixbufClass *class)
        item_class->draw = gnome_canvas_pixbuf_draw;
        item_class->point = gnome_canvas_pixbuf_point;
        item_class->bounds = gnome_canvas_pixbuf_bounds;
+       item_class->render = gnome_canvas_pixbuf_render;
 }
 
 /* Object initialization function for the pixbuf canvas item */
@@ -671,6 +674,34 @@ transform_pixbuf (guchar *dest, int x, int y, int width, int height, int rowstri
        }
 }
 
+/* Render for the pixbuf canvas item */
+static void
+gnome_canvas_pixbuf_render (GnomeCanvasItem *item, GnomeCanvasBuf *buf)
+{
+       GnomeCanvasPixbuf *gcp;
+       PixbufPrivate *priv;
+       double i2c[6], render_affine[6];
+
+       gcp = GNOME_CANVAS_PIXBUF (item);
+       priv = gcp->priv;
+
+       if (!priv->pixbuf)
+               return;
+
+       gnome_canvas_item_i2c_affine (item, i2c);
+       compute_render_affine (gcp, render_affine, i2c);
+        gnome_canvas_buf_ensure_buf (buf);
+
+       art_rgb_pixbuf_affine (buf->buf,
+                       buf->rect.x0, buf->rect.y0, buf->rect.x1, buf->rect.y1,
+                       buf->buf_rowstride,
+                       priv->pixbuf->art_pixbuf,
+                       render_affine,
+                       ART_FILTER_NEAREST, NULL);
+
+       buf->is_bg = 0;
+}
+
 /* Draw handler for the pixbuf canvas item */
 static void
 gnome_canvas_pixbuf_draw (GnomeCanvasItem *item, GdkDrawable *drawable,