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themingbackground: Use get_box() for background image size

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This commit is contained in:
Benjamin Otte 2012-10-27 02:23:23 +02:00
parent ba96c34787
commit 5e7949c47b
1 changed files with 10 additions and 45 deletions
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55
gtk/gtkthemingbackground.c
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@ -43,49 +43,9 @@
#include "fallback-c89.c"
typedef struct {
cairo_rectangle_t image_rect;
gint idx;
} GtkThemingBackgroundLayer;
static void
_gtk_theming_background_layer_apply_origin (GtkThemingBackground *bg,
GtkThemingBackgroundLayer *layer)
{
cairo_rectangle_t image_rect;
GtkCssValue *value = _gtk_style_context_peek_property (bg->context, GTK_CSS_PROPERTY_BACKGROUND_ORIGIN);
GtkCssArea origin = _gtk_css_area_value_get (_gtk_css_array_value_get_nth (value, layer->idx));
/* The default size of the background image depends on the
background-origin value as this affects the top left
and the bottom right corners. */
switch (origin) {
case GTK_CSS_AREA_BORDER_BOX:
image_rect.x = 0;
image_rect.y = 0;
image_rect.width = bg->paint_area.width;
image_rect.height = bg->paint_area.height;
break;
case GTK_CSS_AREA_CONTENT_BOX:
image_rect.x = bg->border.left + bg->padding.left;
image_rect.y = bg->border.top + bg->padding.top;
image_rect.width = bg->paint_area.width - bg->border.left - bg->border.right - bg->padding.left - bg->padding.right;
image_rect.height = bg->paint_area.height - bg->border.top - bg->border.bottom - bg->padding.top - bg->padding.bottom;
break;
case GTK_CSS_AREA_PADDING_BOX:
default:
image_rect.x = bg->border.left;
image_rect.y = bg->border.top;
image_rect.width = bg->paint_area.width - bg->border.left - bg->border.right;
image_rect.height = bg->paint_area.height - bg->border.top - bg->border.bottom;
break;
}
/* XXX: image_rect might have negative width/height here.
* Do we need to do something about it? */
layer->image_rect = image_rect;
}
static const GtkRoundedBox *
gtk_theming_background_get_box (GtkThemingBackground *bg,
GtkCssArea area)
@ -132,6 +92,7 @@ _gtk_theming_background_paint_layer (GtkThemingBackground *bg,
GtkCssRepeatStyle hrepeat, vrepeat;
const GtkCssValue *pos, *repeat;
GtkCssImage *image;
const GtkRoundedBox *origin;
double image_width, image_height;
double width, height;
@ -143,8 +104,14 @@ _gtk_theming_background_paint_layer (GtkThemingBackground *bg,
_gtk_css_array_value_get_nth (
_gtk_style_context_peek_property (bg->context, GTK_CSS_PROPERTY_BACKGROUND_IMAGE),
layer->idx));
width = layer->image_rect.width;
height = layer->image_rect.height;
origin = gtk_theming_background_get_box (
bg,
_gtk_css_area_value_get (
_gtk_css_array_value_get_nth (
_gtk_style_context_peek_property (bg->context, GTK_CSS_PROPERTY_BACKGROUND_ORIGIN),
layer->idx)));
width = origin->box.width;
height = origin->box.height;
if (image == NULL || width <= 0 || height <= 0)
return;
@ -179,7 +146,7 @@ _gtk_theming_background_paint_layer (GtkThemingBackground *bg,
cairo_clip (cr);
cairo_translate (cr, layer->image_rect.x, layer->image_rect.y);
cairo_translate (cr, origin->box.x, origin->box.y);
if (hrepeat == GTK_CSS_REPEAT_STYLE_NO_REPEAT && vrepeat == GTK_CSS_REPEAT_STYLE_NO_REPEAT)
{
@ -315,8 +282,6 @@ _gtk_theming_background_init_layer (GtkThemingBackground *bg,
gint idx)
{
layer->idx = idx;
_gtk_theming_background_layer_apply_origin (bg, layer);
}
static void