static void drawGlyphsShadow(GraphicsContext* graphicsContext, const FloatPoint& point, PangoLayoutLine* layoutLine, PangoRegionType renderRegion)
{
ShadowBlur& shadow = graphicsContext->platformContext()->shadowBlur();
if (!(graphicsContext->textDrawingMode() & TextModeFill) || shadow.type() == ShadowBlur::NoShadow)
return;
FloatPoint totalOffset(point + graphicsContext->state().shadowOffset);
// Optimize non-blurry shadows, by just drawing text without the ShadowBlur.
if (!shadow.mustUseShadowBlur(graphicsContext)) {
cairo_t* context = graphicsContext->platformContext()->cr();
cairo_save(context);
cairo_translate(context, totalOffset.x(), totalOffset.y());
setSourceRGBAFromColor(context, graphicsContext->state().shadowColor);
#if PLATFORM(GTK)
gdk_cairo_region(context, renderRegion);
#else
appendRegionToCairoContext(context, renderRegion);
#endif
cairo_clip(context);
pango_cairo_show_layout_line(context, layoutLine);
cairo_restore(context);
return;
}
FloatRect extents(getPangoRegionExtents(renderRegion));
extents.setLocation(FloatPoint(point.x(), point.y() - extents.height()));
if (GraphicsContext* shadowContext = shadow.beginShadowLayer(graphicsContext, extents)) {
cairo_t* cairoShadowContext = shadowContext->platformContext()->cr();
cairo_translate(cairoShadowContext, point.x(), point.y());
pango_cairo_show_layout_line(cairoShadowContext, layoutLine);
// We need the clipping region to be active when we blit the blurred shadow back,
// because we don't want any bits and pieces of characters out of range to be
// drawn. Since ShadowBlur expects a consistent transform, we have to undo the
// translation before calling endShadowLayer as well.
cairo_t* context = graphicsContext->platformContext()->cr();
cairo_save(context);
cairo_translate(context, totalOffset.x(), totalOffset.y());
#if PLATFORM(GTK)
gdk_cairo_region(context, renderRegion);
#else
appendRegionToCairoContext(context, renderRegion);
#endif
cairo_clip(context);
cairo_translate(context, -totalOffset.x(), -totalOffset.y());
shadow.endShadowLayer(graphicsContext);
cairo_restore(context);
}
}
static void drawGlyphsShadow(GraphicsContext* graphicsContext, cairo_t* context, const FloatPoint& point, PangoLayoutLine* layoutLine, PangoRegionType renderRegion)
{
ContextShadow* shadow = graphicsContext->contextShadow();
ASSERT(shadow);
if (!(graphicsContext->textDrawingMode() & TextModeFill) || shadow->m_type == ContextShadow::NoShadow)
return;
FloatPoint totalOffset(point + shadow->m_offset);
// Optimize non-blurry shadows, by just drawing text without the ContextShadow.
if (!shadow->mustUseContextShadow(context)) {
cairo_save(context);
cairo_translate(context, totalOffset.x(), totalOffset.y());
setSourceRGBAFromColor(context, shadow->m_color);
gdk_cairo_region(context, renderRegion);
cairo_clip(context);
pango_cairo_show_layout_line(context, layoutLine);
cairo_restore(context);
return;
}
FloatRect extents(getPangoRegionExtents(renderRegion));
extents.setLocation(FloatPoint(point.x(), point.y() - extents.height()));
cairo_t* shadowContext = shadow->beginShadowLayer(context, extents);
if (shadowContext) {
cairo_translate(shadowContext, point.x(), point.y());
pango_cairo_show_layout_line(shadowContext, layoutLine);
// We need the clipping region to be active when we blit the blurred shadow back,
// because we don't want any bits and pieces of characters out of range to be
// drawn. Since ContextShadow expects a consistent transform, we have to undo the
// translation before calling endShadowLayer as well.
cairo_save(context);
cairo_translate(context, totalOffset.x(), totalOffset.y());
gdk_cairo_region(context, renderRegion);
cairo_clip(context);
cairo_translate(context, -totalOffset.x(), -totalOffset.y());
shadow->endShadowLayer(context);
cairo_restore(context);
}
}
