/libs/hwui/Patch.h
http://github.com/CyanogenMod/android_frameworks_base · C Header · 74 lines · 36 code · 17 blank · 21 comment · 0 complexity · 2ff0a218edbe8612a619583633404a5d MD5 · raw file
- /*
- * Copyright (C) 2010 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- #ifndef ANDROID_HWUI_PATCH_H
- #define ANDROID_HWUI_PATCH_H
- #include <sys/types.h>
- #include <GLES2/gl2.h>
- #include <androidfw/ResourceTypes.h>
- #include "Rect.h"
- #include "UvMapper.h"
- #include <vector>
- namespace android {
- namespace uirenderer {
- struct TextureVertex;
- ///////////////////////////////////////////////////////////////////////////////
- // 9-patch structures
- ///////////////////////////////////////////////////////////////////////////////
- class Patch {
- public:
- Patch(const float bitmapWidth, const float bitmapHeight,
- float width, float height,
- const UvMapper& mapper, const Res_png_9patch* patch);
- /**
- * Returns the size of this patch's mesh in bytes.
- */
- uint32_t getSize() const;
- std::unique_ptr<TextureVertex[]> vertices;
- uint32_t verticesCount = 0;
- uint32_t indexCount = 0;
- bool hasEmptyQuads = false;
- std::vector<Rect> quads;
- GLintptr positionOffset = 0;
- GLintptr textureOffset = 0;
- private:
- void generateRow(const int32_t* xDivs, uint32_t xCount, TextureVertex*& vertex,
- float y1, float y2, float v1, float v2, float stretchX, float rescaleX,
- float width, float bitmapWidth, uint32_t& quadCount);
- void generateQuad(TextureVertex*& vertex, float x1, float y1, float x2, float y2,
- float u1, float v1, float u2, float v2, uint32_t& quadCount);
- const uint32_t* mColors;
- UvMapper mUvMapper;
- }; // struct Patch
- }; // namespace uirenderer
- }; // namespace android
- #endif // ANDROID_HWUI_PATCH_H