51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
|
/* -*- 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 "nsISupportsImpl.h"
|
||
|
#include <string>
|
||
|
|
||
|
namespace mozilla {
|
||
|
namespace layers {
|
||
|
|
||
|
class Compositor;
|
||
|
|
||
|
class TextRenderer
|
||
|
{
|
||
|
~TextRenderer();
|
||
|
|
||
|
public:
|
||
|
NS_INLINE_DECL_REFCOUNTING(TextRenderer)
|
||
|
|
||
|
explicit TextRenderer(Compositor *aCompositor)
|
||
|
: mCompositor(aCompositor), mMap({nullptr, 0})
|
||
|
{
|
||
|
}
|
||
|
|
||
|
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:
|
||
|
|
||
|
// Note that this may still fail to set mGlyphBitmaps to a valid value
|
||
|
// if the underlying CreateDataSourceSurface fails for some reason.
|
||
|
void EnsureInitialized();
|
||
|
|
||
|
RefPtr<Compositor> mCompositor;
|
||
|
RefPtr<gfx::DataSourceSurface> mGlyphBitmaps;
|
||
|
gfx::DataSourceSurface::MappedSurface mMap;
|
||
|
};
|
||
|
|
||
|
} // namespace layers
|
||
|
} // namespace mozilla
|
||
|
|
||
|
#endif
|