/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "WebRenderTextLayer.h"

#include "gfxPrefs.h"
#include "LayersLogging.h"
#include "mozilla/webrender/WebRenderTypes.h"
#include "mozilla/layers/WebRenderBridgeChild.h"

#include "mozilla/gfx/2D.h"

namespace mozilla {
namespace layers {

using namespace mozilla::gfx;

void
WebRenderTextLayer::RenderLayer(wr::DisplayListBuilder& aBuilder)
{
    if (mBounds.IsEmpty()) {
        return;
    }

    gfx::Rect rect = GetTransform().TransformBounds(IntRectToRect(mBounds))
        - ParentBounds().ToUnknownRect().TopLeft();
    gfx::Rect clip;
    if (GetClipRect().isSome()) {
      clip = IntRectToRect(GetClipRect().ref().ToUnknownRect())
          - ParentBounds().ToUnknownRect().TopLeft();
    } else {
      clip = rect;
    }

    if (gfxPrefs::LayersDump()) {
        printf_stderr("TextLayer %p using rect=%s, clip=%s\n",
                      this->GetLayer(),
                      Stringify(rect).c_str(),
                      Stringify(clip).c_str());
    }

    WrBridge()->PushGlyphs(aBuilder, mGlyphs, mFont, GetOffsetToParent(), rect, clip);
}

} // namespace layers
} // namespace mozilla