| /* |
| * Copyright (C) 2007 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_TRANSFORM_H |
| #define ANDROID_TRANSFORM_H |
| |
| #include <stdint.h> |
| #include <sys/types.h> |
| |
| #include <ui/Point.h> |
| #include <ui/Rect.h> |
| |
| #include <GLES/gl.h> |
| |
| #include <core/SkMatrix.h> |
| |
| namespace android { |
| |
| class Region; |
| |
| // --------------------------------------------------------------------------- |
| |
| class Transform |
| { |
| public: |
| Transform(); |
| Transform(const Transform& other); |
| ~Transform(); |
| |
| enum orientation_flags { |
| ROT_0 = 0x00000000, |
| FLIP_H = 0x00000001, |
| FLIP_V = 0x00000002, |
| ROT_90 = 0x00000004, |
| ROT_180 = FLIP_H|FLIP_V, |
| ROT_270 = ROT_180|ROT_90, |
| ROT_INVALID = 0x80000000 |
| }; |
| |
| bool transformed() const; |
| int32_t getOrientation() const; |
| bool preserveRects() const; |
| |
| int tx() const; |
| int ty() const; |
| |
| void reset(); |
| void set(float xx, float xy, float yx, float yy); |
| void set(int tx, int ty); |
| |
| Rect makeBounds(int w, int h) const; |
| void transform(GLfixed* point, int x, int y) const; |
| Region transform(const Region& reg) const; |
| Rect transform(const Rect& bounds) const; |
| |
| Transform operator * (const Transform& rhs) const; |
| float operator [] (int i) const; |
| |
| inline uint32_t getType() const { return type(); } |
| |
| inline Transform(bool) : mType(0xFF) { }; |
| |
| private: |
| uint8_t type() const; |
| |
| private: |
| SkMatrix mTransform; |
| mutable uint32_t mType; |
| }; |
| |
| // --------------------------------------------------------------------------- |
| }; // namespace android |
| |
| #endif /* ANDROID_TRANSFORM_H */ |