void
gtk_css_style_render_outline (GtkCssStyle *style,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height)
{
GtkBorderStyle border_style[4];
GtkRoundedBox border_box;
double border_width[4];
GdkRGBA colors[4];
border_style[0] = _gtk_css_border_style_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_OUTLINE_STYLE));
if (border_style[0] != GTK_BORDER_STYLE_NONE)
{
cairo_rectangle_t rect;
compute_outline_rect (style, x, y, width, height, &rect);
border_style[1] = border_style[2] = border_style[3] = border_style[0];
border_width[0] = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_OUTLINE_WIDTH), 100);
border_width[3] = border_width[2] = border_width[1] = border_width[0];
colors[0] = *_gtk_css_rgba_value_get_rgba (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_OUTLINE_COLOR));
colors[3] = colors[2] = colors[1] = colors[0];
_gtk_rounded_box_init_rect (&border_box, rect.x, rect.y, rect.width, rect.height);
_gtk_rounded_box_apply_outline_radius_for_style (&border_box, style, GTK_JUNCTION_NONE);
render_border (cr, &border_box, border_width, 0, colors, border_style);
}
}
/*
* gtk_render_content_path:
* @context: style context to get style information from
* @cr: cairo context to add path to
* @x: x coordinate of CSS box
* @y: y coordinate of CSS box
* @width: width of CSS box
* @height: height of CSS box
*
* Adds the path of the content box to @cr for a given border box.
* This function respects rounded corners.
*
* This is useful if you are drawing content that is supposed to
* fill the whole content area, like the color buttons in
* #GtkColorChooserDialog.
**/
void
gtk_render_content_path (GtkStyleContext *context,
cairo_t *cr,
double x,
double y,
double width,
double height)
{
GtkRoundedBox box;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
g_return_if_fail (cr != NULL);
_gtk_rounded_box_init_rect (&box, x, y, width, height);
_gtk_rounded_box_apply_border_radius_for_style (&box, gtk_style_context_lookup_style (context), 0);
_gtk_rounded_box_shrink (&box,
_gtk_css_number_value_get (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BORDER_TOP_WIDTH), 100)
+ _gtk_css_number_value_get (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_PADDING_TOP), 100),
_gtk_css_number_value_get (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BORDER_RIGHT_WIDTH), 100)
+ _gtk_css_number_value_get (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_PADDING_RIGHT), 100),
_gtk_css_number_value_get (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BORDER_BOTTOM_WIDTH), 100)
+ _gtk_css_number_value_get (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_PADDING_BOTTOM), 100),
_gtk_css_number_value_get (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BORDER_LEFT_WIDTH), 100)
+ _gtk_css_number_value_get (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_PADDING_LEFT), 100));
_gtk_rounded_box_path (&box, cr);
}
static void
_gtk_theming_background_init_context (GtkThemingBackground *bg,
double width,
double height,
GtkJunctionSides junction)
{
GtkStateFlags flags = gtk_style_context_get_state (bg->context);
GtkBorder border, padding;
gtk_style_context_get_border (bg->context, flags, &border);
gtk_style_context_get_padding (bg->context, flags, &padding);
/* In the CSS box model, by default the background positioning area is
* the padding-box, i.e. all the border-box minus the borders themselves,
* which determines also its default size, see
* http://dev.w3.org/csswg/css3-background/#background-origin
*
* In the future we might want to support different origins or clips, but
* right now we just shrink to the default.
*/
_gtk_rounded_box_init_rect (&bg->boxes[GTK_CSS_AREA_BORDER_BOX], 0, 0, width, height);
_gtk_rounded_box_apply_border_radius_for_context (&bg->boxes[GTK_CSS_AREA_BORDER_BOX], bg->context, junction);
bg->boxes[GTK_CSS_AREA_PADDING_BOX] = bg->boxes[GTK_CSS_AREA_BORDER_BOX];
_gtk_rounded_box_shrink (&bg->boxes[GTK_CSS_AREA_PADDING_BOX],
border.top, border.right,
border.bottom, border.left);
bg->boxes[GTK_CSS_AREA_CONTENT_BOX] = bg->boxes[GTK_CSS_AREA_PADDING_BOX];
_gtk_rounded_box_shrink (&bg->boxes[GTK_CSS_AREA_CONTENT_BOX],
padding.top, padding.right,
padding.bottom, padding.left);
}
static void
_gtk_theming_background_init_context (GtkThemingBackground *bg)
{
bg->flags = gtk_style_context_get_state (bg->context);
gtk_style_context_get_border (bg->context, bg->flags, &bg->border);
gtk_style_context_get_padding (bg->context, bg->flags, &bg->padding);
gtk_style_context_get_background_color (bg->context, bg->flags, &bg->bg_color);
/* In the CSS box model, by default the background positioning area is
* the padding-box, i.e. all the border-box minus the borders themselves,
* which determines also its default size, see
* http://dev.w3.org/csswg/css3-background/#background-origin
*
* In the future we might want to support different origins or clips, but
* right now we just shrink to the default.
*/
_gtk_rounded_box_init_rect (&bg->border_box, 0, 0, bg->paint_area.width, bg->paint_area.height);
_gtk_rounded_box_apply_border_radius_for_context (&bg->border_box, bg->context, bg->junction);
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);
}
void
gtk_css_style_render_border (GtkCssStyle *style,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height,
guint hidden_side,
GtkJunctionSides junction)
{
GtkBorderImage border_image;
double border_width[4];
border_width[0] = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_TOP_WIDTH), 100);
border_width[1] = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_RIGHT_WIDTH), 100);
border_width[2] = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_BOTTOM_WIDTH), 100);
border_width[3] = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_LEFT_WIDTH), 100);
if (gtk_border_image_init (&border_image, style))
{
gtk_border_image_render (&border_image, border_width, cr, x, y, width, height);
}
else
{
GtkBorderStyle border_style[4];
GtkRoundedBox border_box;
GdkRGBA colors[4];
/* Optimize the most common case of "This widget has no border" */
if (border_width[0] == 0 &&
border_width[1] == 0 &&
border_width[2] == 0 &&
border_width[3] == 0)
return;
border_style[0] = _gtk_css_border_style_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_TOP_STYLE));
border_style[1] = _gtk_css_border_style_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_RIGHT_STYLE));
border_style[2] = _gtk_css_border_style_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_BOTTOM_STYLE));
border_style[3] = _gtk_css_border_style_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_LEFT_STYLE));
hide_border_sides (border_width, border_style, hidden_side);
colors[0] = *_gtk_css_rgba_value_get_rgba (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_TOP_COLOR));
colors[1] = *_gtk_css_rgba_value_get_rgba (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_RIGHT_COLOR));
colors[2] = *_gtk_css_rgba_value_get_rgba (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_BOTTOM_COLOR));
colors[3] = *_gtk_css_rgba_value_get_rgba (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_LEFT_COLOR));
_gtk_rounded_box_init_rect (&border_box, x, y, width, height);
_gtk_rounded_box_apply_border_radius_for_style (&border_box, style, junction);
render_border (cr, &border_box, border_width, hidden_side, colors, border_style);
}
}
void
gtk_css_style_render_outline (GtkCssStyle *style,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height)
{
GtkBorderStyle border_style[4];
GtkRoundedBox border_box;
double border_width[4];
GdkRGBA colors[4];
border_style[0] = _gtk_css_border_style_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_OUTLINE_STYLE));
if (border_style[0] != GTK_BORDER_STYLE_NONE)
{
int offset;
border_style[1] = border_style[2] = border_style[3] = border_style[0];
border_width[0] = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_OUTLINE_WIDTH), 100);
border_width[3] = border_width[2] = border_width[1] = border_width[0];
colors[0] = *_gtk_css_rgba_value_get_rgba (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_OUTLINE_COLOR));
colors[3] = colors[2] = colors[1] = colors[0];
offset = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_OUTLINE_OFFSET), 100);
_gtk_rounded_box_init_rect (&border_box, x, y, width, height);
_gtk_rounded_box_shrink (&border_box,
- border_width[GTK_CSS_TOP] - offset,
- border_width[GTK_CSS_RIGHT] - offset,
- border_width[GTK_CSS_LEFT] - offset,
- border_width[GTK_CSS_BOTTOM] - offset);
_gtk_rounded_box_apply_outline_radius_for_style (&border_box, style, GTK_JUNCTION_NONE);
render_border (cr, &border_box, border_width, 0, colors, border_style);
}
}
