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Diffstat (limited to 'services/surfaceflinger/Transform.h')
-rw-r--r-- | services/surfaceflinger/Transform.h | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/services/surfaceflinger/Transform.h b/services/surfaceflinger/Transform.h deleted file mode 100644 index ec74243..0000000 --- a/services/surfaceflinger/Transform.h +++ /dev/null @@ -1,127 +0,0 @@ -/* - * 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 <hardware/hardware.h> - -namespace android { - -class Region; - -// --------------------------------------------------------------------------- - -class Transform -{ -public: - Transform(); - Transform(const Transform& other); - explicit Transform(uint32_t orientation); - ~Transform(); - - enum orientation_flags { - ROT_0 = 0x00000000, - FLIP_H = HAL_TRANSFORM_FLIP_H, - FLIP_V = HAL_TRANSFORM_FLIP_V, - ROT_90 = HAL_TRANSFORM_ROT_90, - ROT_180 = FLIP_H|FLIP_V, - ROT_270 = ROT_180|ROT_90, - ROT_INVALID = 0x80 - }; - - enum type_mask { - IDENTITY = 0, - TRANSLATE = 0x1, - ROTATE = 0x2, - SCALE = 0x4, - UNKNOWN = 0x8 - }; - - // query the transform - bool transformed() const; - bool preserveRects() const; - uint32_t getType() const; - uint32_t getOrientation() const; - - float const* operator [] (int i) const; // returns column i - float tx() const; - float ty() const; - - // modify the transform - void reset(); - void set(float tx, float ty); - void set(float a, float b, float c, float d); - status_t set(uint32_t flags, float w, float h); - - // transform data - Rect makeBounds(int w, int h) const; - void transform(float* point, int x, int y) const; - Region transform(const Region& reg) const; - Transform operator * (const Transform& rhs) const; - - // for debugging - void dump(const char* name) const; - -private: - struct vec3 { - float v[3]; - inline vec3() { } - inline vec3(float a, float b, float c) { - v[0] = a; v[1] = b; v[2] = c; - } - inline float operator [] (int i) const { return v[i]; } - inline float& operator [] (int i) { return v[i]; } - }; - struct vec2 { - float v[2]; - inline vec2() { } - inline vec2(float a, float b) { - v[0] = a; v[1] = b; - } - inline float operator [] (int i) const { return v[i]; } - inline float& operator [] (int i) { return v[i]; } - }; - struct mat33 { - vec3 v[3]; - inline const vec3& operator [] (int i) const { return v[i]; } - inline vec3& operator [] (int i) { return v[i]; } - }; - - enum { UNKNOWN_TYPE = 0x80000000 }; - - // assumes the last row is < 0 , 0 , 1 > - vec2 transform(const vec2& v) const; - vec3 transform(const vec3& v) const; - Rect transform(const Rect& bounds) const; - uint32_t type() const; - static bool absIsOne(float f); - static bool isZero(float f); - - mat33 mMatrix; - mutable uint32_t mType; -}; - -// --------------------------------------------------------------------------- -}; // namespace android - -#endif /* ANDROID_TRANSFORM_H */ |