void GraphicsContext::clipOut(const Path& path)
{
if (paintingDisabled())
return;
cairo_t* cr = platformContext()->cr();
double x1, y1, x2, y2;
cairo_clip_extents(cr, &x1, &y1, &x2, &y2);
cairo_rectangle(cr, x1, y1, x2 - x1, y2 - y1);
appendWebCorePathToCairoContext(cr, path);
cairo_fill_rule_t savedFillRule = cairo_get_fill_rule(cr);
cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);
cairo_clip(cr);
cairo_set_fill_rule(cr, savedFillRule);
}
void GraphicsContext::drawFocusRing(const Path& path, int width, int /* offset */, const Color& color)
{
// FIXME: We should draw paths that describe a rectangle with rounded corners
// so as to be consistent with how we draw rectangular focus rings.
Color ringColor = color;
adjustFocusRingColor(ringColor);
adjustFocusRingLineWidth(width);
cairo_t* cr = platformContext()->cr();
cairo_save(cr);
appendWebCorePathToCairoContext(cr, path);
setSourceRGBAFromColor(cr, ringColor);
cairo_set_line_width(cr, width);
setPlatformStrokeStyle(focusRingStrokeStyle());
cairo_stroke(cr);
cairo_restore(cr);
}
void GraphicsContext::fillRoundedRect(const IntRect& r, const IntSize& topLeft, const IntSize& topRight, const IntSize& bottomLeft, const IntSize& bottomRight, const Color& color, ColorSpace)
{
if (paintingDisabled())
return;
if (hasShadow())
platformContext()->shadowBlur().drawRectShadow(this, r, RoundedRect::Radii(topLeft, topRight, bottomLeft, bottomRight));
cairo_t* cr = platformContext()->cr();
cairo_save(cr);
Path path;
path.addRoundedRect(r, topLeft, topRight, bottomLeft, bottomRight);
appendWebCorePathToCairoContext(cr, path);
setSourceRGBAFromColor(cr, color);
cairo_fill(cr);
cairo_restore(cr);
}
void GraphicsContext::platformFillRoundedRect(const FloatRoundedRect& rect, const Color& color, ColorSpace)
{
if (paintingDisabled())
return;
if (hasShadow())
platformContext()->shadowBlur().drawRectShadow(this, rect);
cairo_t* cr = platformContext()->cr();
cairo_save(cr);
Path path;
path.addRoundedRect(rect);
appendWebCorePathToCairoContext(cr, path);
setSourceRGBAFromColor(cr, color);
cairo_fill(cr);
cairo_restore(cr);
}
void GraphicsContext::drawFocusRing(const Vector<IntRect>& rects, int width, int /* offset */, const Color& color)
{
if (paintingDisabled())
return;
cairo_t* cr = platformContext()->cr();
cairo_save(cr);
cairo_push_group(cr);
cairo_new_path(cr);
#if PLATFORM(GTK)
for (const auto& rect : rects)
cairo_rectangle(cr, rect.x(), rect.y(), rect.width(), rect.height());
#else
unsigned rectCount = rects.size();
int radius = (width - 1) / 2;
Path path;
for (unsigned i = 0; i < rectCount; ++i) {
if (i > 0)
path.clear();
path.addRoundedRect(rects[i], FloatSize(radius, radius));
appendWebCorePathToCairoContext(cr, path);
}
#endif
Color ringColor = color;
adjustFocusRingColor(ringColor);
adjustFocusRingLineWidth(width);
setSourceRGBAFromColor(cr, ringColor);
cairo_set_line_width(cr, width);
setPlatformStrokeStyle(focusRingStrokeStyle());
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
cairo_stroke_preserve(cr);
cairo_set_operator(cr, CAIRO_OPERATOR_CLEAR);
cairo_set_fill_rule(cr, CAIRO_FILL_RULE_WINDING);
cairo_fill(cr);
cairo_pop_group_to_source(cr);
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
cairo_paint(cr);
cairo_restore(cr);
}
void GraphicsContext::addInnerRoundedRectClip(const IntRect& rect, int thickness)
{
if (paintingDisabled())
return;
cairo_t* cr = platformContext()->cr();
clip(rect);
Path p;
FloatRect r(rect);
// Add outer ellipse
p.addEllipse(r);
// Add inner ellipse
r.inflate(-thickness);
p.addEllipse(r);
appendWebCorePathToCairoContext(cr, p);
cairo_fill_rule_t savedFillRule = cairo_get_fill_rule(cr);
cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);
cairo_clip(cr);
cairo_set_fill_rule(cr, savedFillRule);
}
void GraphicsContext::drawFocusRing(const Vector<IntRect>& rects, int width, int /* offset */, const Color& color)
{
if (paintingDisabled())
return;
unsigned rectCount = rects.size();
cairo_t* cr = platformContext()->cr();
cairo_save(cr);
cairo_push_group(cr);
cairo_new_path(cr);
#if PLATFORM(GTK)
#ifdef GTK_API_VERSION_2
GdkRegion* reg = gdk_region_new();
#else
cairo_region_t* reg = cairo_region_create();
#endif
for (unsigned i = 0; i < rectCount; i++) {
#ifdef GTK_API_VERSION_2
GdkRectangle rect = rects[i];
gdk_region_union_with_rect(reg, &rect);
#else
cairo_rectangle_int_t rect = rects[i];
cairo_region_union_rectangle(reg, &rect);
#endif
}
gdk_cairo_region(cr, reg);
#ifdef GTK_API_VERSION_2
gdk_region_destroy(reg);
#else
cairo_region_destroy(reg);
#endif
#else
int radius = (width - 1) / 2;
Path path;
for (unsigned i = 0; i < rectCount; ++i) {
if (i > 0)
path.clear();
path.addRoundedRect(rects[i], FloatSize(radius, radius));
appendWebCorePathToCairoContext(cr, path);
}
#endif
Color ringColor = color;
adjustFocusRingColor(ringColor);
adjustFocusRingLineWidth(width);
setSourceRGBAFromColor(cr, ringColor);
cairo_set_line_width(cr, width);
setPlatformStrokeStyle(focusRingStrokeStyle());
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
cairo_stroke_preserve(cr);
cairo_set_operator(cr, CAIRO_OPERATOR_CLEAR);
cairo_set_fill_rule(cr, CAIRO_FILL_RULE_WINDING);
cairo_fill(cr);
cairo_pop_group_to_source(cr);
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
cairo_paint(cr);
cairo_restore(cr);
}
