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GtkThemingEngine: Honor border-radius in render_background().

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This commit is contained in:
Carlos Garnacho
2010-10-20 18:47:28 +02:00
parent f7dd423862
commit 161d5175e1
1 changed files with 29 additions and 1 deletions
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30
gtk/gtkthemingengine.c
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@@ -1138,6 +1138,29 @@ color_shade (const GdkColor *color,
color_return->blue = CLAMP (color->blue * factor, 0, 65535);
}
static void
_cairo_round_rectangle (cairo_t *cr,
gdouble radius,
gdouble x,
gdouble y,
gdouble width,
gdouble height)
{
radius = CLAMP (radius, 0, MIN (width / 2, height / 2));
if (radius == 0)
cairo_rectangle (cr, x, y, width, height);
else
{
cairo_new_sub_path (cr);
cairo_arc (cr, x + width - radius, y + radius, radius, - G_PI / 2, 0);
cairo_arc (cr, x + width - radius, y + height - radius, radius, 0, G_PI / 2);
cairo_arc (cr, x + radius, y + height - radius, radius, G_PI / 2, G_PI);
cairo_arc (cr, x + radius, y + radius, radius, G_PI, 3 * (G_PI / 2));
cairo_close_path (cr);
}
}
static void
gtk_theming_engine_render_background (GtkThemingEngine *engine,
cairo_t *cr,
@@ -1151,6 +1174,7 @@ gtk_theming_engine_render_background (GtkThemingEngine *engine,
GtkStateFlags flags;
gboolean running;
gdouble progress, alpha = 1;
gint radius;
flags = gtk_theming_engine_get_state (engine);
cairo_save (cr);
@@ -1168,10 +1192,14 @@ gtk_theming_engine_render_background (GtkThemingEngine *engine,
"background-image", &pattern,
"background-color", &bg_color,
"base-color", &base_color,
"border-radius", &radius,
NULL);
running = gtk_theming_engine_state_is_running (engine, GTK_STATE_PRELIGHT, &progress);
_cairo_round_rectangle (cr, (gdouble) radius, x, y, width, height);
cairo_clip (cr);
cairo_translate (cr, x, y);
cairo_scale (cr, width, height);
@@ -1268,7 +1296,7 @@ gtk_theming_engine_render_background (GtkThemingEngine *engine,
*/
cairo_rectangle (cr, 0, 0, 1, 1);
cairo_set_source (cr, other_pattern);
cairo_fill (cr);
cairo_fill_preserve (cr);
/* Set alpha for posterior drawing
* of the target pattern