2 files changed, 291 insertions, 24 deletions
diff --git a/src/ui/theme.c b/src/ui/theme.c
index 11cf3608..e15cf2ec 100644
--- a/src/ui/theme.c
+++ b/src/ui/theme.c
@@ -96,6 +96,114 @@ static void hls_to_rgb (gdouble *h,
 */
 static MetaTheme *meta_current_theme = NULL;
 
+static cairo_surface_t *
+scale_surface (cairo_surface_t *surface,
+ gdouble old_width,
+ gdouble old_height,
+ gdouble new_width,
+ gdouble new_height,
+ gboolean vertical_stripes,
+ gboolean horizontal_stripes)
+{
+ gdouble scale_x;
+ gdouble scale_y;
+ cairo_content_t content;
+ gint width;
+ gint height;
+ cairo_surface_t *scaled;
+ cairo_t *cr;
+
+ scale_x = new_width / old_width;
+ scale_y = new_height / old_height;
+
+ if (horizontal_stripes && !vertical_stripes)
+ {
+ new_width = old_width;
+ scale_x = 1.0;
+ }
+ else if (vertical_stripes && !horizontal_stripes)
+ {
+ new_height = old_height;
+ scale_y = 1.0;
+ }
+
+ content = CAIRO_CONTENT_COLOR_ALPHA;
+ width = ceil (new_width);
+ height = ceil (new_height);
+
+ scaled = cairo_surface_create_similar (surface, content, width, height);
+ cr = cairo_create (scaled);
+
+ cairo_scale (cr, scale_x, scale_y);
+ cairo_set_source_surface (cr, surface, 0, 0);
+
+ cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_PAD);
+
+ cairo_paint (cr);
+ cairo_destroy (cr);
+
+ return scaled;
+}
+
+static cairo_surface_t *
+get_surface_from_pixbuf (GdkPixbuf *pixbuf,
+ MetaImageFillType fill_type,
+ gdouble width,
+ gdouble height,
+ gboolean vertical_stripes,
+ gboolean horizontal_stripes)
+{
+ gdouble pixbuf_width;
+ gdouble pixbuf_height;
+ cairo_surface_t *surface;
+ cairo_content_t content;
+ cairo_surface_t *copy;
+ cairo_t *cr;
+
+ pixbuf_width = gdk_pixbuf_get_width (pixbuf);
+ pixbuf_height = gdk_pixbuf_get_height (pixbuf);
+ surface = gdk_cairo_surface_create_from_pixbuf (pixbuf, 1, NULL);
+
+ if (pixbuf_width == width && pixbuf_height == height)
+ {
+ return surface;
+ }
+
+ if (fill_type != META_IMAGE_FILL_TILE)
+ {
+ cairo_surface_t *scaled;
+
+ scaled = scale_surface (surface, pixbuf_width, pixbuf_height,
+ width, height, vertical_stripes,
+ horizontal_stripes);
+
+ cairo_surface_destroy (surface);
+ surface = scaled;
+ }
+
+ content = CAIRO_CONTENT_COLOR_ALPHA;
+ width = ceil (width);
+ height = ceil (height);
+
+ copy = cairo_surface_create_similar (surface, content, width, height);
+ cr = cairo_create (copy);
+
+ cairo_set_source_surface (cr, surface, 0, 0);
+
+ if (fill_type == META_IMAGE_FILL_TILE ||
+ vertical_stripes || horizontal_stripes)
+ {
+ cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REPEAT);
+ }
+
+ cairo_paint (cr);
+ cairo_destroy (cr);
+
+ cairo_surface_destroy (surface);
+
+ return copy;
+}
+
 static GdkPixbuf *
 colorize_pixbuf (GdkPixbuf *orig,
 GdkRGBA *new_color)
@@ -1149,6 +1257,38 @@ meta_alpha_gradient_spec_free (MetaAlphaGradientSpec *spec)
 g_free (spec);
 }
 
+cairo_pattern_t *
+meta_alpha_gradient_spec_get_mask (const MetaAlphaGradientSpec *spec)
+{
+ gint n_alphas;
+ cairo_pattern_t *pattern;
+ gint i;
+
+ /* Hardcoded in theme-parser.c */
+ g_assert (spec->type == META_GRADIENT_HORIZONTAL);
+
+ n_alphas = spec->n_alphas;
+ if (n_alphas == 0)
+ return NULL;
+
+ if (n_alphas == 1)
+ return cairo_pattern_create_rgba (0, 0, 0, spec->alphas[0] / 255.0);
+
+ pattern = cairo_pattern_create_linear (0, 0, 1, 0);
+
+ for (i = 0; i < n_alphas; i++)
+ cairo_pattern_add_color_stop_rgba (pattern, i / (gfloat) (n_alphas - 1),
+ 0, 0, 0, spec->alphas[i] / 255.0);
+
+ if (cairo_pattern_status (pattern) != CAIRO_STATUS_SUCCESS)
+ {
+ cairo_pattern_destroy (pattern);
+ return NULL;
+ }
+
+ return pattern;
+}
+
 MetaColorSpec*
 meta_color_spec_new (MetaColorSpecType type)
 {
@@ -3625,6 +3765,94 @@ draw_op_as_pixbuf (const MetaDrawOp *op,
 return pixbuf;
 }
 
+static cairo_surface_t *
+draw_op_as_surface (const MetaDrawOp *op,
+ GtkStyleContext *style,
+ const MetaDrawInfo *info,
+ gdouble width,
+ gdouble height)
+{
+ cairo_surface_t *surface;
+
+ surface = NULL;
+
+ switch (op->type)
+ {
+ case META_DRAW_IMAGE:
+ {
+ if (op->data.image.colorize_spec)
+ {
+ GdkRGBA color;
+
+ meta_color_spec_render (op->data.image.colorize_spec,
+ style, &color);
+
+ if (op->data.image.colorize_cache_pixbuf == NULL ||
+ op->data.image.colorize_cache_pixel != GDK_COLOR_RGB (color))
+ {
+ if (op->data.image.colorize_cache_pixbuf)
+ g_object_unref (G_OBJECT (op->data.image.colorize_cache_pixbuf));
+
+ /* const cast here */
+ ((MetaDrawOp*)op)->data.image.colorize_cache_pixbuf =
+ colorize_pixbuf (op->data.image.pixbuf,
+ &color);
+ ((MetaDrawOp*)op)->data.image.colorize_cache_pixel =
+ GDK_COLOR_RGB (color);
+ }
+
+ if (op->data.image.colorize_cache_pixbuf)
+ {
+ surface = get_surface_from_pixbuf (op->data.image.colorize_cache_pixbuf,
+ op->data.image.fill_type,
+ width, height,
+ op->data.image.vertical_stripes,
+ op->data.image.horizontal_stripes);
+ }
+ }
+ else
+ {
+ surface = get_surface_from_pixbuf (op->data.image.pixbuf,
+ op->data.image.fill_type,
+ width, height,
+ op->data.image.vertical_stripes,
+ op->data.image.horizontal_stripes);
+ }
+ break;
+ }
+
+ case META_DRAW_ICON:
+ if (info->mini_icon &&
+ width <= gdk_pixbuf_get_width (info->mini_icon) &&
+ height <= gdk_pixbuf_get_height (info->mini_icon))
+ surface = get_surface_from_pixbuf (info->mini_icon, op->data.icon.fill_type,
+ width, height, FALSE, FALSE);
+ else if (info->icon)
+ surface = get_surface_from_pixbuf (info->icon, op->data.icon.fill_type,
+ width, height, FALSE, FALSE);
+ break;
+
+ case META_DRAW_TINT:
+ case META_DRAW_LINE:
+ case META_DRAW_RECTANGLE:
+ case META_DRAW_ARC:
+ case META_DRAW_CLIP:
+ case META_DRAW_GRADIENT:
+ case META_DRAW_GTK_ARROW:
+ case META_DRAW_GTK_BOX:
+ case META_DRAW_GTK_VLINE:
+ case META_DRAW_TITLE:
+ case META_DRAW_OP_LIST:
+ case META_DRAW_TILE:
+ break;
+
+ default:
+ break;
+ }
+
+ return surface;
+}
+
 static void
 fill_env (MetaPositionExprEnv *env,
 const MetaDrawInfo *info,
@@ -3897,8 +4125,12 @@ meta_draw_op_draw_with_env (const MetaDrawOp *op,
 
 case META_DRAW_IMAGE:
 {
- int rx, ry, rwidth, rheight;
- GdkPixbuf *pixbuf;
+ gint scale;
+ gdouble rx, ry, rwidth, rheight;
+ cairo_surface_t *surface;
+
+ scale = gdk_window_get_scale_factor (gdk_get_default_root_window ());
+ cairo_scale (cr, 1.0 / scale, 1.0 / scale);
 
 if (op->data.image.pixbuf)
 {
@@ -3906,21 +4138,36 @@ meta_draw_op_draw_with_env (const MetaDrawOp *op,
 env->object_height = gdk_pixbuf_get_height (op->data.image.pixbuf);
 }
 
- rwidth = parse_size_unchecked (op->data.image.width, env);
- rheight = parse_size_unchecked (op->data.image.height, env);
+ rwidth = parse_size_unchecked (op->data.image.width, env) * scale;
+ rheight = parse_size_unchecked (op->data.image.height, env) * scale;
 
- pixbuf = draw_op_as_pixbuf (op, style_gtk, info,
- rwidth, rheight);
+ surface = draw_op_as_surface (op, style_gtk, info, rwidth, rheight);
 
- if (pixbuf)
+ if (surface)
 {
- rx = parse_x_position_unchecked (op->data.image.x, env);
- ry = parse_y_position_unchecked (op->data.image.y, env);
+ rx = parse_x_position_unchecked (op->data.image.x, env) * scale;
+ ry = parse_y_position_unchecked (op->data.image.y, env) * scale;
 
- gdk_cairo_set_source_pixbuf (cr, pixbuf, rx, ry);
- cairo_paint (cr);
+ cairo_set_source_surface (cr, surface, rx, ry);
 
- g_object_unref (G_OBJECT (pixbuf));
+ if (op->data.image.alpha_spec)
+ {
+ cairo_pattern_t *pattern;
+
+ cairo_translate (cr, rx, ry);
+ cairo_scale (cr, rwidth, rheight);
+
+ pattern = meta_alpha_gradient_spec_get_mask (op->data.image.alpha_spec);
+ cairo_mask (cr, pattern);
+
+ cairo_pattern_destroy (pattern);
+ }
+ else
+ {
+ cairo_paint (cr);
+ }
+
+ cairo_surface_destroy (surface);
 }
 }
 break;
@@ -3989,24 +4236,43 @@ meta_draw_op_draw_with_env (const MetaDrawOp *op,
 
 case META_DRAW_ICON:
 {
- int rx, ry, rwidth, rheight;
- GdkPixbuf *pixbuf;
+ gint scale;
+ gdouble rx, ry, rwidth, rheight;
+ cairo_surface_t *surface;
+
+ scale = gdk_window_get_scale_factor (gdk_get_default_root_window ());
+ cairo_scale (cr, 1.0 / scale, 1.0 / scale);
 
- rwidth = parse_size_unchecked (op->data.icon.width, env);
- rheight = parse_size_unchecked (op->data.icon.height, env);
+ rwidth = parse_size_unchecked (op->data.icon.width, env) * scale;
+ rheight = parse_size_unchecked (op->data.icon.height, env) * scale;
 
- pixbuf = draw_op_as_pixbuf (op, style_gtk, info,
- rwidth, rheight);
+ surface = draw_op_as_surface (op, style_gtk, info, rwidth, rheight);
 
- if (pixbuf)
+ if (surface)
 {
- rx = parse_x_position_unchecked (op->data.icon.x, env);
- ry = parse_y_position_unchecked (op->data.icon.y, env);
+ rx = parse_x_position_unchecked (op->data.icon.x, env) * scale;
+ ry = parse_y_position_unchecked (op->data.icon.y, env) * scale;
 
- gdk_cairo_set_source_pixbuf (cr, pixbuf, rx, ry);
- cairo_paint (cr);
+ cairo_set_source_surface (cr, surface, rx, ry);
 
- g_object_unref (G_OBJECT (pixbuf));
+ if (op->data.icon.alpha_spec)
+ {
+ cairo_pattern_t *pattern;
+
+ cairo_translate (cr, rx, ry);
+ cairo_scale (cr, rwidth, rheight);
+
+ pattern = meta_alpha_gradient_spec_get_mask (op->data.icon.alpha_spec);
+ cairo_mask (cr, pattern);
+
+ cairo_pattern_destroy (pattern);
+ }
+ else
+ {
+ cairo_paint (cr);
+ }
+
+ cairo_surface_destroy (surface);
 }
 }
 break;
diff --git a/src/ui/theme.h b/src/ui/theme.h
index 34b98935..9dfb8d89 100644
--- a/src/ui/theme.h
+++ b/src/ui/theme.h
@@ -964,6 +964,7 @@ gboolean meta_gradient_spec_validate (MetaGradientSpec *spec,
 MetaAlphaGradientSpec* meta_alpha_gradient_spec_new (MetaGradientType type,
 int n_alphas);
 void meta_alpha_gradient_spec_free (MetaAlphaGradientSpec *spec);
+cairo_pattern_t * meta_alpha_gradient_spec_get_mask (const MetaAlphaGradientSpec *spec);
 
 
 MetaFrameStyle* meta_frame_style_new (MetaFrameStyle *parent);