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);
}
Esempio n. 2
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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::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);
}