C++ (Cpp) _gtk_theming_background_paint_color Examples

Example #1

File: gtkthemingbackground.c Project: rightpeter/gtk

void
_gtk_theming_background_render (GtkThemingBackground *bg,
                                cairo_t              *cr)
{
  gint idx;
  GtkThemingBackgroundLayer layer;
  GtkCssValue *background_image;

  background_image = _gtk_style_context_peek_property (bg->context, GTK_CSS_PROPERTY_BACKGROUND_IMAGE);

  cairo_save (cr);
  cairo_translate (cr, bg->paint_area.x, bg->paint_area.y);

  _gtk_theming_background_paint_color (bg, cr, background_image);

  for (idx = _gtk_css_array_value_get_n_values (background_image) - 1; idx >= 0; idx--)
    {
      _gtk_theming_background_init_layer (bg, &layer, background_image, idx);
      _gtk_theming_background_paint_layer (bg, &layer, cr);
    }

  _gtk_theming_background_apply_shadow (bg, cr);

  cairo_restore (cr);
}

Example #2

File: gtkthemingbackground.c Project: 3v1n0/gtk

void
gtk_theming_background_render (GtkStyleContext      *context,
                               cairo_t              *cr,
                               gdouble               x,
                               gdouble               y,
                               gdouble               width,
                               gdouble               height,
                               GtkJunctionSides      junction)
{
  GtkThemingBackground bg;
  gint idx;
  GtkCssValue *background_image;
  GtkCssValue *box_shadow;
  const GdkRGBA *bg_color;

  background_image = _gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BACKGROUND_IMAGE);
  bg_color = _gtk_css_rgba_value_get_rgba (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BACKGROUND_COLOR));
  box_shadow = _gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BOX_SHADOW);

  /* This is the common default case of no background */
  if (gtk_rgba_is_clear (bg_color) &&
      _gtk_css_array_value_get_n_values (background_image) == 1 &&
      _gtk_css_image_value_get_image (_gtk_css_array_value_get_nth (background_image, 0)) == NULL &&
      _gtk_css_shadows_value_is_none (box_shadow))
    return;

  bg.context = context;
  _gtk_theming_background_init_context (&bg, width, height, junction);

  cairo_save (cr);
  cairo_translate (cr, x, y);

  /* Outset shadows */
  _gtk_css_shadows_value_paint_box (box_shadow,
                                    cr,
                                    &bg.boxes[GTK_CSS_AREA_BORDER_BOX],
                                    FALSE);

  _gtk_theming_background_paint_color (&bg, cr, bg_color, background_image);

  for (idx = _gtk_css_array_value_get_n_values (background_image) - 1; idx >= 0; idx--)
    {
      _gtk_theming_background_paint_layer (&bg, idx, cr);
    }

  /* Inset shadows */
  _gtk_css_shadows_value_paint_box (box_shadow,
                                    cr,
                                    &bg.boxes[GTK_CSS_AREA_PADDING_BOX],
                                    TRUE);

  cairo_restore (cr);
}