*/
#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)
static void
_gtk_theming_background_paint_layer (GtkThemingBackground *bg,
- GtkThemingBackgroundLayer *layer,
+ guint idx,
cairo_t *cr)
{
GtkCssRepeatStyle hrepeat, vrepeat;
const GtkCssValue *pos, *repeat;
GtkCssImage *image;
+ const GtkRoundedBox *origin;
double image_width, image_height;
double width, height;
- pos = _gtk_css_array_value_get_nth (_gtk_style_context_peek_property (bg->context, GTK_CSS_PROPERTY_BACKGROUND_POSITION), layer->idx);
- repeat = _gtk_css_array_value_get_nth (_gtk_style_context_peek_property (bg->context, GTK_CSS_PROPERTY_BACKGROUND_REPEAT), layer->idx);
+ pos = _gtk_css_array_value_get_nth (_gtk_style_context_peek_property (bg->context, GTK_CSS_PROPERTY_BACKGROUND_POSITION), idx);
+ repeat = _gtk_css_array_value_get_nth (_gtk_style_context_peek_property (bg->context, GTK_CSS_PROPERTY_BACKGROUND_REPEAT), idx);
hrepeat = _gtk_css_background_repeat_value_get_x (repeat);
vrepeat = _gtk_css_background_repeat_value_get_y (repeat);
image = _gtk_css_image_value_get_image (
_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;
+ idx));
+ 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),
+ idx)));
+ width = origin->box.width;
+ height = origin->box.height;
if (image == NULL || width <= 0 || height <= 0)
return;
- _gtk_css_bg_size_value_compute_size (_gtk_css_array_value_get_nth (_gtk_style_context_peek_property (bg->context, GTK_CSS_PROPERTY_BACKGROUND_SIZE), layer->idx),
+ _gtk_css_bg_size_value_compute_size (_gtk_css_array_value_get_nth (_gtk_style_context_peek_property (bg->context, GTK_CSS_PROPERTY_BACKGROUND_SIZE), idx),
image,
width,
height,
_gtk_css_area_value_get (
_gtk_css_array_value_get_nth (
_gtk_style_context_peek_property (bg->context, GTK_CSS_PROPERTY_BACKGROUND_CLIP),
- layer->idx))),
+ idx))),
cr);
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)
{
&bg->padding_box);
}
-static void
-_gtk_theming_background_init_layer (GtkThemingBackground *bg,
- GtkThemingBackgroundLayer *layer,
- gint idx)
-{
- layer->idx = idx;
-
- _gtk_theming_background_layer_apply_origin (bg, layer);
-}
-
static void
_gtk_theming_background_init_context (GtkThemingBackground *bg)
{
GtkStateFlags flags = gtk_style_context_get_state (bg->context);
+ GtkBorder border, padding;
- gtk_style_context_get_border (bg->context, flags, &bg->border);
- gtk_style_context_get_padding (bg->context, flags, &bg->padding);
+ gtk_style_context_get_border (bg->context, flags, &border);
+ gtk_style_context_get_padding (bg->context, flags, &padding);
gtk_style_context_get_background_color (bg->context, flags, &bg->bg_color);
/* In the CSS box model, by default the background positioning area is
bg->padding_box = bg->border_box;
_gtk_rounded_box_shrink (&bg->padding_box,
- bg->border.top, bg->border.right,
- bg->border.bottom, bg->border.left);
+ border.top, border.right,
+ border.bottom, border.left);
bg->content_box = bg->padding_box;
_gtk_rounded_box_shrink (&bg->content_box,
- bg->padding.top, bg->padding.right,
- bg->padding.bottom, bg->padding.left);
+ padding.top, padding.right,
+ padding.bottom, padding.left);
}
void
cairo_t *cr)
{
gint idx;
- GtkThemingBackgroundLayer layer;
GtkCssValue *background_image;
background_image = _gtk_style_context_peek_property (bg->context, GTK_CSS_PROPERTY_BACKGROUND_IMAGE);
for (idx = _gtk_css_array_value_get_n_values (background_image) - 1; idx >= 0; idx--)
{
- _gtk_theming_background_init_layer (bg, &layer, idx);
- _gtk_theming_background_paint_layer (bg, &layer, cr);
+ _gtk_theming_background_paint_layer (bg, idx, cr);
}
_gtk_theming_background_apply_shadow (bg, cr);
projects / ~andy / gtk / blobdiff