[mutter/wip/cairo: 3/15] theme: Remove our own gradient stuff
- From: Jasper St. Pierre <jstpierre src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [mutter/wip/cairo: 3/15] theme: Remove our own gradient stuff
- Date: Mon, 9 Apr 2012 06:41:37 +0000 (UTC)
commit fac3786594719c2d1044129fd381e64ec621b479
Author: Jasper St. Pierre <jstpierre mecheye net>
Date: Fri Oct 28 13:08:48 2011 -0400
theme: Remove our own gradient stuff
Part one of porting to cairo. This requires removing support for a seldomly
used feature in the theme format - alpha gradients on tint, icon and image.
Grepping through gnome-themes-standard and searching for code, I couldn't
find any usage of this feature, so I consider it safe to remove.
https://bugzilla.gnome.org/show_bug.cgi?id=662962
src/Makefile.am | 7 +-
src/meta/gradient.h | 65 ----
src/ui/gradient.c | 865 ------------------------------------------------
src/ui/testgradient.c | 317 ------------------
src/ui/theme-parser.c | 19 +-
src/ui/theme-private.h | 19 +-
src/ui/theme.c | 163 ++++------
7 files changed, 83 insertions(+), 1372 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 5d5dcb9..11bb130 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -88,8 +88,6 @@ libmutter_la_SOURCES = \
core/eventqueue.h \
core/frame.c \
core/frame.h \
- ui/gradient.c \
- meta/gradient.h \
core/group-private.h \
core/group-props.c \
core/group-props.h \
@@ -163,7 +161,6 @@ libmutterinclude_base_headers = \
meta/compositor.h \
meta/display.h \
meta/errors.h \
- meta/gradient.h \
meta/group.h \
meta/keybindings.h \
meta/main.h \
@@ -236,13 +233,11 @@ endif
mutter_theme_viewer_LDADD= $(MUTTER_LIBS) libmutter.la
testboxes_SOURCES = core/testboxes.c
-testgradient_SOURCES = ui/testgradient.c
testasyncgetprop_SOURCES = core/testasyncgetprop.c
-noinst_PROGRAMS=testboxes testgradient testasyncgetprop
+noinst_PROGRAMS=testboxes testasyncgetprop
testboxes_LDADD = $(MUTTER_LIBS) libmutter.la
-testgradient_LDADD = $(MUTTER_LIBS) libmutter.la
testasyncgetprop_LDADD = $(MUTTER_LIBS) libmutter.la
@INTLTOOL_DESKTOP_RULE@
diff --git a/src/ui/theme-parser.c b/src/ui/theme-parser.c
index 9063541..709a609 100644
--- a/src/ui/theme-parser.c
+++ b/src/ui/theme-parser.c
@@ -2147,10 +2147,8 @@ parse_draw_op_element (GMarkupParseContext *context,
const char *y;
const char *width;
const char *height;
- const char *alpha;
const char *colorize;
const char *fill_type;
- MetaAlphaGradientSpec *alpha_spec;
GdkPixbuf *pixbuf;
MetaColorSpec *colorize_spec = NULL;
MetaImageFillType fill_type_val;
@@ -2162,7 +2160,7 @@ parse_draw_op_element (GMarkupParseContext *context,
error,
"!x", &x, "!y", &y,
"!width", &width, "!height", &height,
- "alpha", &alpha, "!filename", &filename,
+ "!filename", &filename,
"colorize", &colorize,
"fill_type", &fill_type,
NULL))
@@ -2220,13 +2218,6 @@ parse_draw_op_element (GMarkupParseContext *context,
return;
}
}
-
- alpha_spec = NULL;
- if (alpha && !parse_alpha (alpha, &alpha_spec, context, error))
- {
- g_object_unref (G_OBJECT (pixbuf));
- return;
- }
op = meta_draw_op_new (META_DRAW_IMAGE);
@@ -2238,7 +2229,6 @@ parse_draw_op_element (GMarkupParseContext *context,
op->data.image.width = meta_draw_spec_new (info->theme, width, NULL);
op->data.image.height = meta_draw_spec_new (info->theme, height, NULL);
- op->data.image.alpha_spec = alpha_spec;
op->data.image.fill_type = fill_type_val;
/* Check for vertical & horizontal stripes */
@@ -2529,16 +2519,13 @@ parse_draw_op_element (GMarkupParseContext *context,
const char *y;
const char *width;
const char *height;
- const char *alpha;
const char *fill_type;
- MetaAlphaGradientSpec *alpha_spec;
MetaImageFillType fill_type_val;
if (!locate_attributes (context, element_name, attribute_names, attribute_values,
error,
"!x", &x, "!y", &y,
"!width", &width, "!height", &height,
- "alpha", &alpha,
"fill_type", &fill_type,
NULL))
return;
@@ -2570,9 +2557,6 @@ parse_draw_op_element (GMarkupParseContext *context,
}
}
- alpha_spec = NULL;
- if (alpha && !parse_alpha (alpha, &alpha_spec, context, error))
- return;
op = meta_draw_op_new (META_DRAW_ICON);
@@ -2581,7 +2565,6 @@ parse_draw_op_element (GMarkupParseContext *context,
op->data.icon.width = meta_draw_spec_new (info->theme, width, NULL);
op->data.icon.height = meta_draw_spec_new (info->theme, height, NULL);
- op->data.icon.alpha_spec = alpha_spec;
op->data.icon.fill_type = fill_type_val;
g_assert (info->op_list);
diff --git a/src/ui/theme-private.h b/src/ui/theme-private.h
index 8ee14f9..01602c3 100644
--- a/src/ui/theme-private.h
+++ b/src/ui/theme-private.h
@@ -25,7 +25,6 @@
#define META_THEME_PRIVATE_H
#include <meta/boxes.h>
-#include <meta/gradient.h>
#include <meta/theme.h>
#include <meta/common.h>
#include <gtk/gtk.h>
@@ -276,6 +275,14 @@ typedef enum
typedef enum
{
+ META_GRADIENT_VERTICAL,
+ META_GRADIENT_HORIZONTAL,
+ META_GRADIENT_DIAGONAL,
+ META_GRADIENT_LAST
+} MetaGradientType;
+
+typedef enum
+{
META_COLOR_SPEC_BASIC,
META_COLOR_SPEC_GTK,
META_COLOR_SPEC_GTK_CUSTOM,
@@ -540,7 +547,6 @@ struct _MetaDrawOp
struct {
MetaColorSpec *colorize_spec;
- MetaAlphaGradientSpec *alpha_spec;
GdkPixbuf *pixbuf;
MetaDrawSpec *x;
MetaDrawSpec *y;
@@ -583,7 +589,6 @@ struct _MetaDrawOp
} gtk_vline;
struct {
- MetaAlphaGradientSpec *alpha_spec;
MetaDrawSpec *x;
MetaDrawSpec *y;
MetaDrawSpec *width;
@@ -1004,8 +1009,12 @@ gboolean meta_draw_op_list_contains (MetaDrawOpList *op_list,
MetaGradientSpec* meta_gradient_spec_new (MetaGradientType type);
void meta_gradient_spec_free (MetaGradientSpec *desc);
-GdkPixbuf* meta_gradient_spec_render (const MetaGradientSpec *desc,
- GtkStyleContext *gtk_style,
+void meta_gradient_spec_render (const MetaGradientSpec *spec,
+ const MetaAlphaGradientSpec *alpha_spec,
+ cairo_t *cr,
+ GtkStyleContext *style,
+ int x,
+ int y,
int width,
int height);
gboolean meta_gradient_spec_validate (MetaGradientSpec *spec,
diff --git a/src/ui/theme.c b/src/ui/theme.c
index a3d83f4..3735c72 100644
--- a/src/ui/theme.c
+++ b/src/ui/theme.c
@@ -38,7 +38,6 @@
#include <config.h>
#include "theme-private.h"
#include <meta/util.h>
-#include <meta/gradient.h>
#include <meta/prefs.h>
#include <gtk/gtk.h>
#include <string.h>
@@ -998,42 +997,91 @@ meta_gradient_spec_free (MetaGradientSpec *spec)
g_free (spec);
}
-GdkPixbuf*
-meta_gradient_spec_render (const MetaGradientSpec *spec,
- GtkStyleContext *style,
- int width,
- int height)
+static cairo_pattern_t *
+meta_gradient_spec_pattern (const MetaGradientSpec *spec,
+ const MetaAlphaGradientSpec *alpha_spec,
+ GtkStyleContext *style)
{
+ cairo_pattern_t *pattern;
int n_colors;
- GdkRGBA *colors;
GSList *tmp;
int i;
- GdkPixbuf *pixbuf;
+
+ if (spec->type == META_GRADIENT_HORIZONTAL)
+ pattern = cairo_pattern_create_linear (0, 0, 1, 0);
+ if (spec->type == META_GRADIENT_VERTICAL)
+ pattern = cairo_pattern_create_linear (0, 0, 0, 1);
+ else if (spec->type == META_GRADIENT_DIAGONAL)
+ pattern = cairo_pattern_create_linear (0, 0, 1, 1);
+ else
+ g_assert_not_reached ();
n_colors = g_slist_length (spec->color_specs);
if (n_colors == 0)
return NULL;
- colors = g_new (GdkRGBA, n_colors);
+ if (alpha_spec != NULL)
+ g_assert (n_colors == alpha_spec->n_alphas);
i = 0;
tmp = spec->color_specs;
while (tmp != NULL)
{
- meta_color_spec_render (tmp->data, style, &colors[i]);
+ GdkRGBA color;
+
+ meta_color_spec_render (tmp->data, style, &color);
+
+ if (alpha_spec != NULL)
+ cairo_pattern_add_color_stop_rgba (pattern,
+ i / (float)n_colors,
+ color.red,
+ color.green,
+ color.blue,
+ alpha_spec->alphas[i]);
+ else
+ cairo_pattern_add_color_stop_rgb (pattern,
+ i / (float)n_colors,
+ color.red,
+ color.green,
+ color.blue);
tmp = tmp->next;
++i;
}
- pixbuf = meta_gradient_create_multi (width, height,
- colors, n_colors,
- spec->type);
+ return pattern;
+}
- g_free (colors);
- return pixbuf;
+void
+meta_gradient_spec_render (const MetaGradientSpec *spec,
+ const MetaAlphaGradientSpec *alpha_spec,
+ cairo_t *cr,
+ GtkStyleContext *style,
+ int x,
+ int y,
+ int width,
+ int height)
+{
+ cairo_pattern_t *pattern;
+
+ cairo_save (cr);
+
+ pattern = meta_gradient_spec_pattern (spec, alpha_spec, style);
+ if (pattern == NULL)
+ return;
+
+ cairo_rectangle (cr, x, y, width, height);
+
+ cairo_translate (cr, x, y);
+ cairo_scale (cr, width, height);
+
+ cairo_set_source (cr, pattern);
+ cairo_fill (cr);
+ cairo_pattern_destroy (pattern);
+
+ cairo_restore (cr);
}
gboolean
@@ -3046,9 +3094,6 @@ meta_draw_op_free (MetaDrawOp *op)
break;
case META_DRAW_IMAGE:
- if (op->data.image.alpha_spec)
- meta_alpha_gradient_spec_free (op->data.image.alpha_spec);
-
if (op->data.image.pixbuf)
g_object_unref (G_OBJECT (op->data.image.pixbuf));
@@ -3085,9 +3130,6 @@ meta_draw_op_free (MetaDrawOp *op)
break;
case META_DRAW_ICON:
- if (op->data.icon.alpha_spec)
- meta_alpha_gradient_spec_free (op->data.icon.alpha_spec);
-
meta_draw_spec_free (op->data.icon.x);
meta_draw_spec_free (op->data.icon.y);
meta_draw_spec_free (op->data.icon.width);
@@ -3133,42 +3175,6 @@ meta_draw_op_free (MetaDrawOp *op)
}
static GdkPixbuf*
-apply_alpha (GdkPixbuf *pixbuf,
- MetaAlphaGradientSpec *spec,
- gboolean force_copy)
-{
- GdkPixbuf *new_pixbuf;
- gboolean needs_alpha;
-
- g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
-
- needs_alpha = spec && (spec->n_alphas > 1 ||
- spec->alphas[0] != 0xff);
-
- if (!needs_alpha)
- return pixbuf;
-
- if (!gdk_pixbuf_get_has_alpha (pixbuf))
- {
- new_pixbuf = gdk_pixbuf_add_alpha (pixbuf, FALSE, 0, 0, 0);
- g_object_unref (G_OBJECT (pixbuf));
- pixbuf = new_pixbuf;
- }
- else if (force_copy)
- {
- new_pixbuf = gdk_pixbuf_copy (pixbuf);
- g_object_unref (G_OBJECT (pixbuf));
- pixbuf = new_pixbuf;
- }
-
- g_assert (gdk_pixbuf_get_has_alpha (pixbuf));
-
- meta_gradient_add_alpha (pixbuf, spec->alphas, spec->n_alphas, spec->type);
-
- return pixbuf;
-}
-
-static GdkPixbuf*
pixbuf_tile (GdkPixbuf *tile,
int width,
int height)
@@ -3298,7 +3304,6 @@ replicate_cols (GdkPixbuf *src,
static GdkPixbuf*
scale_and_alpha_pixbuf (GdkPixbuf *src,
- MetaAlphaGradientSpec *alpha_spec,
MetaImageFillType fill_type,
int width,
int height,
@@ -3380,9 +3385,6 @@ scale_and_alpha_pixbuf (GdkPixbuf *src,
}
}
}
-
- if (pixbuf)
- pixbuf = apply_alpha (pixbuf, alpha_spec, pixbuf == src);
return pixbuf;
}
@@ -3449,32 +3451,12 @@ draw_op_as_pixbuf (const MetaDrawOp *op,
gdk_pixbuf_fill (pixbuf, rgba);
}
- else
- {
- rgba = GDK_COLOR_RGBA (color);
-
- gdk_pixbuf_fill (pixbuf, rgba);
-
- meta_gradient_add_alpha (pixbuf,
- op->data.tint.alpha_spec->alphas,
- op->data.tint.alpha_spec->n_alphas,
- op->data.tint.alpha_spec->type);
- }
}
break;
case META_DRAW_GRADIENT:
- {
- pixbuf = meta_gradient_spec_render (op->data.gradient.gradient_spec,
- context, width, height);
-
- pixbuf = apply_alpha (pixbuf,
- op->data.gradient.alpha_spec,
- FALSE);
- }
break;
-
case META_DRAW_IMAGE:
{
if (op->data.image.colorize_spec)
@@ -3501,7 +3483,6 @@ draw_op_as_pixbuf (const MetaDrawOp *op,
if (op->data.image.colorize_cache_pixbuf)
{
pixbuf = scale_and_alpha_pixbuf (op->data.image.colorize_cache_pixbuf,
- op->data.image.alpha_spec,
op->data.image.fill_type,
width, height,
op->data.image.vertical_stripes,
@@ -3511,7 +3492,6 @@ draw_op_as_pixbuf (const MetaDrawOp *op,
else
{
pixbuf = scale_and_alpha_pixbuf (op->data.image.pixbuf,
- op->data.image.alpha_spec,
op->data.image.fill_type,
width, height,
op->data.image.vertical_stripes,
@@ -3530,13 +3510,11 @@ draw_op_as_pixbuf (const MetaDrawOp *op,
width <= gdk_pixbuf_get_width (info->mini_icon) &&
height <= gdk_pixbuf_get_height (info->mini_icon))
pixbuf = scale_and_alpha_pixbuf (info->mini_icon,
- op->data.icon.alpha_spec,
op->data.icon.fill_type,
width, height,
FALSE, FALSE);
else if (info->icon)
pixbuf = scale_and_alpha_pixbuf (info->icon,
- op->data.icon.alpha_spec,
op->data.icon.fill_type,
width, height,
FALSE, FALSE);
@@ -3817,23 +3795,16 @@ meta_draw_op_draw_with_env (const MetaDrawOp *op,
case META_DRAW_GRADIENT:
{
int rx, ry, rwidth, rheight;
- GdkPixbuf *pixbuf;
rx = parse_x_position_unchecked (op->data.gradient.x, env);
ry = parse_y_position_unchecked (op->data.gradient.y, env);
rwidth = parse_size_unchecked (op->data.gradient.width, env);
rheight = parse_size_unchecked (op->data.gradient.height, env);
- pixbuf = draw_op_as_pixbuf (op, style_gtk, info,
- rwidth, rheight);
-
- if (pixbuf)
- {
- gdk_cairo_set_source_pixbuf (cr, pixbuf, rx, ry);
- cairo_paint (cr);
-
- g_object_unref (G_OBJECT (pixbuf));
- }
+ meta_gradient_spec_render (op->data.gradient.gradient_spec,
+ op->data.gradient.alpha_spec,
+ cr, style_gtk,
+ rx, ry, rwidth, rheight);
}
break;
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