1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_HWUI_PATCH_H 18 #define ANDROID_HWUI_PATCH_H 19 20 #include <sys/types.h> 21 22 #include <GLES2/gl2.h> 23 24 #include <utils/Vector.h> 25 26 #include <androidfw/ResourceTypes.h> 27 28 #include "Rect.h" 29 #include "UvMapper.h" 30 #include "Vertex.h" 31 32 namespace android { 33 namespace uirenderer { 34 35 /////////////////////////////////////////////////////////////////////////////// 36 // 9-patch structures 37 /////////////////////////////////////////////////////////////////////////////// 38 39 class Patch { 40 public: 41 Patch(); 42 ~Patch(); 43 44 /** 45 * Returns the size of this patch's mesh in bytes. 46 */ 47 uint32_t getSize() const; 48 49 TextureVertex* vertices; 50 uint32_t verticesCount; 51 uint32_t indexCount; 52 bool hasEmptyQuads; 53 Vector<Rect> quads; 54 55 GLintptr offset; 56 GLintptr textureOffset; 57 58 TextureVertex* createMesh(const float bitmapWidth, const float bitmapHeight, 59 float width, float height, const Res_png_9patch* patch); 60 TextureVertex* createMesh(const float bitmapWidth, const float bitmapHeight, 61 float width, float height, const UvMapper& mapper, const Res_png_9patch* patch); 62 63 private: 64 void generateRow(const int32_t* xDivs, uint32_t xCount, TextureVertex*& vertex, 65 float y1, float y2, float v1, float v2, float stretchX, float rescaleX, 66 float width, float bitmapWidth, uint32_t& quadCount); 67 void generateQuad(TextureVertex*& vertex, float x1, float y1, float x2, float y2, 68 float u1, float v1, float u2, float v2, uint32_t& quadCount); 69 70 const uint32_t* mColors; 71 UvMapper mUvMapper; 72 }; // struct Patch 73 74 }; // namespace uirenderer 75 }; // namespace android 76 77 #endif // ANDROID_HWUI_PATCH_H 78
