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| 1 // Copyright 2011 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 | |
| 6 #ifndef CC_RESOURCES_LAYER_QUAD_H_ | |
| 7 #define CC_RESOURCES_LAYER_QUAD_H_ | |
| 8 | |
| 9 #include "base/basictypes.h" | |
| 10 #include "cc/base/cc_export.h" | |
| 11 #include "ui/gfx/geometry/point_f.h" | |
| 12 | |
| 13 namespace gfx { | |
| 14 class QuadF; | |
| 15 } | |
| 16 | |
| 17 static const float kAntiAliasingInflateDistance = 0.5f; | |
| 18 | |
| 19 namespace cc { | |
| 20 | |
| 21 class CC_EXPORT LayerQuad { | |
| 22 public: | |
| 23 class CC_EXPORT Edge { | |
| 24 public: | |
| 25 Edge() : x_(0), y_(0), z_(0), degenerate_(false) {} | |
| 26 Edge(const gfx::PointF& p, const gfx::PointF& q); | |
| 27 | |
| 28 float x() const { return x_; } | |
| 29 float y() const { return y_; } | |
| 30 float z() const { return z_; } | |
| 31 | |
| 32 void set_x(float x) { x_ = x; } | |
| 33 void set_y(float y) { y_ = y; } | |
| 34 void set_z(float z) { z_ = z; } | |
| 35 void set(float x, float y, float z) { | |
| 36 x_ = x; | |
| 37 y_ = y; | |
| 38 z_ = z; | |
| 39 } | |
| 40 | |
| 41 void move_x(float dx) { x_ += dx; } | |
| 42 void move_y(float dy) { y_ += dy; } | |
| 43 void move_z(float dz) { z_ += dz; } | |
| 44 void move(float dx, float dy, float dz) { | |
| 45 x_ += dx; | |
| 46 y_ += dy; | |
| 47 z_ += dz; | |
| 48 } | |
| 49 | |
| 50 void scale_x(float sx) { x_ *= sx; } | |
| 51 void scale_y(float sy) { y_ *= sy; } | |
| 52 void scale_z(float sz) { z_ *= sz; } | |
| 53 void scale(float sx, float sy, float sz) { | |
| 54 x_ *= sx; | |
| 55 y_ *= sy; | |
| 56 z_ *= sz; | |
| 57 } | |
| 58 void scale(float s) { scale(s, s, s); } | |
| 59 | |
| 60 bool degenerate() const { return degenerate_; } | |
| 61 | |
| 62 gfx::PointF Intersect(const Edge& e) const; | |
| 63 | |
| 64 private: | |
| 65 float x_; | |
| 66 float y_; | |
| 67 float z_; | |
| 68 bool degenerate_; | |
| 69 }; | |
| 70 | |
| 71 LayerQuad(const Edge& left, | |
| 72 const Edge& top, | |
| 73 const Edge& right, | |
| 74 const Edge& bottom); | |
| 75 explicit LayerQuad(const gfx::QuadF& quad); | |
| 76 | |
| 77 Edge left() const { return left_; } | |
| 78 Edge top() const { return top_; } | |
| 79 Edge right() const { return right_; } | |
| 80 Edge bottom() const { return bottom_; } | |
| 81 | |
| 82 void InflateX(float dx) { | |
| 83 left_.move_z(dx); | |
| 84 right_.move_z(dx); | |
| 85 } | |
| 86 void InflateY(float dy) { | |
| 87 top_.move_z(dy); | |
| 88 bottom_.move_z(dy); | |
| 89 } | |
| 90 void Inflate(float d) { | |
| 91 InflateX(d); | |
| 92 InflateY(d); | |
| 93 } | |
| 94 void InflateAntiAliasingDistance() { | |
| 95 Inflate(kAntiAliasingInflateDistance); | |
| 96 } | |
| 97 | |
| 98 gfx::QuadF ToQuadF() const; | |
| 99 | |
| 100 void ToFloatArray(float flattened[12]) const; | |
| 101 | |
| 102 private: | |
| 103 Edge left_; | |
| 104 Edge top_; | |
| 105 Edge right_; | |
| 106 Edge bottom_; | |
| 107 | |
| 108 DISALLOW_COPY_AND_ASSIGN(LayerQuad); | |
| 109 }; | |
| 110 | |
| 111 } // namespace cc | |
| 112 | |
| 113 #endif // CC_RESOURCES_LAYER_QUAD_H_ | |
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Chromium Code Reviews
Issue 1144693002:
cc: Move files out of cc/resources/. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master