skia2/tools/gpu/atlastext/TestAtlasTextRenderer.h
Brian Salomon 40dc8a71f5 Add clear function to TestAtlasTextRendering interface
Bug: skia:
Change-Id: I24563abe5e72e57e6764ddf6aca76ccf098cc488
Reviewed-on: https://skia-review.googlesource.com/73640
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
2017-11-20 17:59:48 +00:00

38 lines
1.1 KiB
C++

/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef TestAtlasTextRenderer_DEFINED
#define TestAtlasTextRenderer_DEFINED
#include "SkAtlasTextRenderer.h"
#include "SkBitmap.h"
namespace sk_gpu_test {
class TestContext;
/**
* Base class for implementations of SkAtlasTextRenderer in order to test the SkAtlasText APIs.
* Adds a helper for creating SkAtlasTextTargets and to read back the contents of a target as a
* bitmap.
*/
class TestAtlasTextRenderer : public SkAtlasTextRenderer {
public:
/** Returns a handle that can be used to construct a SkAtlasTextTarget instance. */
virtual void* makeTargetHandle(int width, int height) = 0;
/** Makes a SkBitmap of the target handle's contents. */
virtual SkBitmap readTargetHandle(void* targetHandle) = 0;
/** Clears the target to the specified color, encoded as RGBA (low to high byte order) */
virtual void clearTarget(void* targetHandle, uint32_t color) = 0;
};
} // namespace sk_gpu_test
#endif