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Romain Guyf7f93552010-07-08 19:17:03 -07001/*
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
Romain Guy5b3b3522010-10-27 18:57:51 -070017#ifndef ANDROID_HWUI_PATCH_H
18#define ANDROID_HWUI_PATCH_H
Romain Guyf7f93552010-07-08 19:17:03 -070019
20#include <sys/types.h>
21
Romain Guy03750a02010-10-18 14:06:08 -070022#include <GLES2/gl2.h>
23
Romain Guy3b748a42013-04-17 18:54:38 -070024#include <androidfw/ResourceTypes.h>
25
Romain Guy5b3b3522010-10-27 18:57:51 -070026#include "Rect.h"
Romain Guy3b748a42013-04-17 18:54:38 -070027#include "UvMapper.h"
Romain Guyf7f93552010-07-08 19:17:03 -070028
John Reck272a6852015-07-29 16:48:58 -070029#include <vector>
30
Romain Guyf7f93552010-07-08 19:17:03 -070031namespace android {
32namespace uirenderer {
33
Chris Craike84a2082014-12-22 14:28:49 -080034struct TextureVertex;
Tom Hudson2dc236b2014-10-15 15:46:42 -040035
Romain Guy4bb94202010-10-12 15:59:26 -070036///////////////////////////////////////////////////////////////////////////////
37// 9-patch structures
38///////////////////////////////////////////////////////////////////////////////
39
Chris Craik564acf72014-01-02 16:46:18 -080040class Patch {
41public:
Chris Craik8820fd12015-03-03 14:20:47 -080042 Patch(const float bitmapWidth, const float bitmapHeight,
43 float width, float height,
44 const UvMapper& mapper, const Res_png_9patch* patch);
Romain Guyf7f93552010-07-08 19:17:03 -070045
Romain Guy3b748a42013-04-17 18:54:38 -070046 /**
47 * Returns the size of this patch's mesh in bytes.
48 */
49 uint32_t getSize() const;
Romain Guy6f72beb2010-11-30 12:04:14 -080050
Chris Craik51d6a3d2014-12-22 17:16:56 -080051 std::unique_ptr<TextureVertex[]> vertices;
Chris Craike5c65842015-03-02 17:50:26 -080052 uint32_t verticesCount = 0;
53 uint32_t indexCount = 0;
54 bool hasEmptyQuads = false;
John Reck272a6852015-07-29 16:48:58 -070055 std::vector<Rect> quads;
Romain Guyfb5e23c2010-07-09 13:52:56 -070056
Chris Craik8820fd12015-03-03 14:20:47 -080057 GLintptr positionOffset = 0;
Chris Craike5c65842015-03-02 17:50:26 -080058 GLintptr textureOffset = 0;
Romain Guy3b748a42013-04-17 18:54:38 -070059
Romain Guyfb5e23c2010-07-09 13:52:56 -070060private:
Romain Guy3b748a42013-04-17 18:54:38 -070061 void generateRow(const int32_t* xDivs, uint32_t xCount, TextureVertex*& vertex,
62 float y1, float y2, float v1, float v2, float stretchX, float rescaleX,
Romain Guy41d35ae2012-10-10 16:06:04 -070063 float width, float bitmapWidth, uint32_t& quadCount);
Romain Guy3b748a42013-04-17 18:54:38 -070064 void generateQuad(TextureVertex*& vertex, float x1, float y1, float x2, float y2,
65 float u1, float v1, float u2, float v2, uint32_t& quadCount);
66
Chris Craik8820fd12015-03-03 14:20:47 -080067 const uint32_t* mColors;
Romain Guy3b748a42013-04-17 18:54:38 -070068 UvMapper mUvMapper;
Romain Guyf7f93552010-07-08 19:17:03 -070069}; // struct Patch
70
71}; // namespace uirenderer
72}; // namespace android
73
Romain Guy5b3b3522010-10-27 18:57:51 -070074#endif // ANDROID_HWUI_PATCH_H