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themingbackground: Convert to GtkCssImage

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The conversion is incomplete and requires some work to account for
all the CSS crazies, like repeat modes and background-size.
This commit is contained in:
Benjamin Otte 2012-01-03 02:40:50 +01:00
parent 60b8b7a398
commit 52af00686b
2 changed files with 22 additions and 47 deletions
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65
gtk/gtkthemingbackground.c
View File

@ -106,57 +106,34 @@ static void
_gtk_theming_background_paint (GtkThemingBackground *bg,
cairo_t *cr)
{
_gtk_rounded_box_path (&bg->clip_box, cr);
gdk_cairo_set_source_rgba (cr, &bg->bg_color);
cairo_save (cr);
if (bg->pattern)
_gtk_rounded_box_path (&bg->clip_box, cr);
cairo_clip (cr);
gdk_cairo_set_source_rgba (cr, &bg->bg_color);
cairo_paint (cr);
if (bg->image)
{
GtkCssBackgroundRepeat *repeat;
cairo_surface_t *surface;
int scale_width, scale_height;
double image_width, image_height;
gtk_theming_engine_get (bg->engine, bg->flags,
"background-repeat", &repeat,
NULL);
if (cairo_pattern_get_surface (bg->pattern, &surface) != CAIRO_STATUS_SUCCESS)
surface = NULL;
_gtk_css_image_get_concrete_size (bg->image,
0, 0, /* XXX: needs background-size support */
bg->image_rect.width, bg->image_rect.height,
&image_width, &image_height);
if (surface && repeat)
{
scale_width = cairo_image_surface_get_width (surface);
scale_height = cairo_image_surface_get_height (surface);
if (repeat->repeat == GTK_CSS_BACKGROUND_REPEAT_STYLE_REPEAT)
cairo_pattern_set_extend (bg->pattern, CAIRO_EXTEND_REPEAT);
else if (repeat->repeat == GTK_CSS_BACKGROUND_REPEAT_STYLE_NO_REPEAT)
cairo_pattern_set_extend (bg->pattern, CAIRO_EXTEND_NONE);
}
else
{
cairo_pattern_set_extend (bg->pattern, CAIRO_EXTEND_PAD);
scale_width = bg->image_rect.width;
scale_height = bg->image_rect.height;
}
if (scale_width && scale_height)
{
/* Fill background color first */
cairo_fill_preserve (cr);
cairo_translate (cr, bg->image_rect.x, bg->image_rect.y);
cairo_scale (cr, scale_width, scale_height);
cairo_set_source (cr, bg->pattern);
cairo_scale (cr, 1.0 / scale_width, 1.0 / scale_height);
cairo_translate (cr, -bg->image_rect.x, -bg->image_rect.y);
g_free (repeat);
cairo_pattern_destroy (bg->pattern);
bg->pattern = NULL;
}
cairo_translate (cr, bg->image_rect.x, bg->image_rect.y);
/* XXX: repeat flags */
_gtk_css_image_draw (bg->image, cr, image_width, image_height);
}
cairo_fill (cr);
cairo_restore (cr);
}
static void
@ -204,9 +181,7 @@ _gtk_theming_background_init_engine (GtkThemingBackground *bg)
_gtk_theming_background_apply_clip (bg);
_gtk_theming_background_apply_origin (bg);
gtk_theming_engine_get (bg->engine, bg->flags,
"background-image", &bg->pattern,
NULL);
bg->image = g_value_get_object (_gtk_theming_engine_peek_property (bg->engine, "background-image"));
}
void
@ -227,7 +202,7 @@ _gtk_theming_background_init (GtkThemingBackground *bg,
bg->paint_area.width = width;
bg->paint_area.height = height;
bg->pattern = NULL;
bg->image = NULL;
bg->junction = junction;
_gtk_theming_background_init_engine (bg);
@ -250,5 +225,5 @@ _gtk_theming_background_render (GtkThemingBackground *bg,
gboolean
_gtk_theming_background_has_background_image (GtkThemingBackground *bg)
{
return (bg->pattern != NULL) ? TRUE : FALSE;
return (bg->image != NULL) ? TRUE : FALSE;
}

4
gtk/gtkthemingbackgroundprivate.h
View File

@ -25,7 +25,7 @@
#include <glib-object.h>
#include <cairo.h>
#include "gtkstylecontext.h"
#include "gtkcssimageprivate.h"
#include "gtkstylecontextprivate.h"
#include "gtkroundedboxprivate.h"
#include "gtkshadowprivate.h"
@ -41,7 +41,7 @@ struct _GtkThemingBackground {
cairo_rectangle_t image_rect;
GtkJunctionSides junction;
cairo_pattern_t *pattern;
GtkCssImage *image;
GtkRoundedBox padding_box;
GtkRoundedBox clip_box;