gfx/layers/composite/TextRenderer.h
author Ryan VanderMeulen <ryanvm@gmail.com>
Mon, 14 Apr 2014 16:16:18 -0400
changeset 196901 376496720a0e662039298fcfdde08ff911e23695
parent 196893 fa82f32d0c397317d19c92a60538b4562f8bed0f
child 197215 b54fdf8bb4860ced8f64b7540485157b69ebed11
permissions -rw-r--r--
Backed out changesets ddbac34527fe and fa82f32d0c39 (bug 991812) for B2G bustage. CLOSED TREE

/* -*- Mode: C++; tab-width: 20; 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/. */

#ifndef GFX_TextRenderer_H
#define GFX_TextRenderer_H

#include "mozilla/gfx/2D.h"
#include <string>

namespace mozilla {
namespace layers {

class Compositor;

class TextRenderer : public RefCounted<TextRenderer>
{
public:
  MOZ_DECLARE_REFCOUNTED_TYPENAME(TextRenderer)
  TextRenderer(Compositor *aCompositor)
    : mCompositor(aCompositor)
  {
  }

  ~TextRenderer();

  void RenderText(const std::string& aText, const gfx::IntPoint& aOrigin,
                  const gfx::Matrix4x4& aTransform, uint32_t aTextSize,
                  uint32_t aTargetPixelWidth);

  gfx::DataSourceSurface::MappedSurface& GetSurfaceMap() { return mMap; }

private:

  void EnsureInitialized();

  RefPtr<Compositor> mCompositor;
  RefPtr<gfx::DataSourceSurface> mGlyphBitmaps;
  gfx::DataSourceSurface::MappedSurface mMap;
};

}
}

#endif