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style: Rewrite background handling to use cairo_pattern_t

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This commit is contained in:
Benjamin Otte 2010-08-15 14:36:05 +02:00
parent 603a840de9
commit 84c77c0be3
2 changed files with 57 additions and 58 deletions
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113
gtk/gtkstyle.c
View File

@ -437,9 +437,6 @@ gtk_style_init (GtkStyle *style)
style->base[GTK_STATE_INSENSITIVE] = gtk_default_prelight_bg;
style->text[GTK_STATE_INSENSITIVE] = gtk_default_insensitive_fg;
for (i = 0; i < 5; i++)
style->bg_pixmap[i] = NULL;
style->rc_style = NULL;
style->xthickness = 2;
@ -906,11 +903,11 @@ gtk_style_real_copy (GtkStyle *style,
style->text[i] = src->text[i];
style->base[i] = src->base[i];
if (style->bg_pixmap[i])
g_object_unref (style->bg_pixmap[i]),
style->bg_pixmap[i] = src->bg_pixmap[i];
if (style->bg_pixmap[i])
g_object_ref (style->bg_pixmap[i]);
if (style->background[i])
cairo_pattern_destroy (style->background[i]),
style->background[i] = src->background[i];
if (style->background[i])
cairo_pattern_reference (style->background[i]);
}
if (style->font_desc)
@ -1219,17 +1216,24 @@ _gtk_style_peek_property_value (GtkStyle *style,
return &pcache->value;
}
static GdkPixmap *
load_bg_image (GdkColormap *colormap,
GdkColor *bg_color,
const gchar *filename)
static cairo_pattern_t *
load_background (GdkColormap *colormap,
GdkColor *bg_color,
const gchar *filename)
{
if (filename == NULL)
{
return cairo_pattern_create_rgb (bg_color->red / 65535.0,
bg_color->green / 65535.0,
bg_color->blue / 65535.0);
}
if (strcmp (filename, "<parent>") == 0)
return (GdkPixmap*) GDK_PARENT_RELATIVE;
return NULL;
else
{
GdkPixmap *pixmap;
GdkPixbuf *pixbuf;
cairo_surface_t *surface;
cairo_pattern_t *pattern;
cairo_t *cr;
GdkScreen *screen = gdk_colormap_get_screen (colormap);
@ -1237,13 +1241,12 @@ load_bg_image (GdkColormap *colormap,
if (!pixbuf)
return NULL;
pixmap = gdk_pixmap_new (gdk_screen_get_root_window (screen),
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf),
gdk_colormap_get_visual (colormap)->depth);
gdk_drawable_set_colormap (pixmap, colormap);
surface = gdk_window_create_similar_surface (gdk_screen_get_root_window (screen),
CAIRO_CONTENT_COLOR,
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf));
cr = gdk_cairo_create (pixmap);
cr = cairo_create (surface);
gdk_cairo_set_source_color (cr, bg_color);
cairo_paint (cr);
@ -1254,7 +1257,11 @@ load_bg_image (GdkColormap *colormap,
cairo_destroy (cr);
g_object_unref (pixbuf);
return pixmap;
pattern = cairo_pattern_create_for_surface (surface);
cairo_surface_destroy (surface);
return pattern;
}
}
@ -1287,10 +1294,16 @@ gtk_style_real_realize (GtkStyle *style)
for (i = 0; i < 5; i++)
{
if (style->rc_style && style->rc_style->bg_pixmap_name[i])
style->bg_pixmap[i] = load_bg_image (style->colormap,
&style->bg[i],
style->rc_style->bg_pixmap_name[i]);
const char *image_name;
if (style->rc_style)
image_name = style->rc_style->bg_pixmap_name[i];
else
image_name = NULL;
style->background[i] = load_background (style->colormap,
&style->bg[i],
image_name);
}
}
@ -1301,10 +1314,10 @@ gtk_style_real_unrealize (GtkStyle *style)
for (i = 0; i < 5; i++)
{
if (style->bg_pixmap[i] && style->bg_pixmap[i] != (GdkPixmap*) GDK_PARENT_RELATIVE)
if (style->background[i])
{
g_object_unref (style->bg_pixmap[i]);
style->bg_pixmap[i] = NULL;
cairo_pattern_destroy (style->background[i]);
style->background[i] = NULL;
}
}
@ -1317,26 +1330,7 @@ gtk_style_real_set_background (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type)
{
GdkPixmap *pixmap;
gint parent_relative;
if (style->bg_pixmap[state_type])
{
if (style->bg_pixmap[state_type] == (GdkPixmap*) GDK_PARENT_RELATIVE)
{
pixmap = NULL;
parent_relative = TRUE;
}
else
{
pixmap = style->bg_pixmap[state_type];
parent_relative = FALSE;
}
gdk_window_set_back_pixmap (window, pixmap, parent_relative);
}
else
gdk_window_set_background (window, &style->bg[state_type]);
gdk_window_set_background_pattern (window, style->background[state_type]);
}
/**
@ -1407,7 +1401,7 @@ gtk_style_apply_default_background (GtkStyle *style,
{
cairo_save (cr);
if (style->bg_pixmap[state_type] == (GdkPixmap*) GDK_PARENT_RELATIVE)
if (style->background[state_type] == NULL)
{
GdkWindow *parent = gdk_window_get_parent (window);
int x_offset, y_offset;
@ -1425,13 +1419,8 @@ gtk_style_apply_default_background (GtkStyle *style,
else
gdk_cairo_set_source_color (cr, &style->bg[state_type]);
}
else if (style->bg_pixmap[state_type])
{
gdk_cairo_set_source_pixmap (cr, style->bg_pixmap[state_type], 0, 0);
cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REPEAT);
}
else
gdk_cairo_set_source_color (cr, &style->bg[state_type]);
cairo_set_source (cr, style->background[state_type]);
cairo_rectangle (cr, x, y, width, height);
cairo_fill (cr);
@ -2437,6 +2426,16 @@ option_menu_get_props (GtkWidget *widget,
*indicator_spacing = default_option_indicator_spacing;
}
static gboolean
background_is_solid (GtkStyle *style,
GtkStateType type)
{
if (style->background[type] == NULL)
return FALSE;
return cairo_pattern_get_type (style->background[type]) == CAIRO_PATTERN_TYPE_SOLID;
}
static void
gtk_default_draw_box (GtkStyle *style,
cairo_t *cr,
@ -2480,7 +2479,7 @@ gtk_default_draw_box (GtkStyle *style,
}
}
if (!style->bg_pixmap[state_type])
if (background_is_solid (style, state_type))
{
GdkColor *gc = &style->bg[state_type];
@ -2745,7 +2744,7 @@ gtk_default_draw_flat_box (GtkStyle *style,
else
gc1 = &style->bg[state_type];
if (!style->bg_pixmap[state_type] || gc1 != &style->bg[state_type])
if (background_is_solid (style, state_type) || gc1 != &style->bg[state_type])
{
_cairo_draw_rectangle (cr, gc1, TRUE,
x, y, width, height);

2
gtk/gtkstyle.h
View File

@ -98,7 +98,7 @@ struct _GtkStyle
gint xthickness;
gint ythickness;
GdkPixmap *bg_pixmap[5];
cairo_pattern_t *background[5];
/*< private >*/