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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "ui/gfx/transform.h" | 5 #include "ui/gfx/transform.h" |
| 6 | 6 |
| 7 #include "ui/gfx/point3_f.h" | 7 #include "ui/gfx/point3_f.h" |
| 8 #include "ui/gfx/rect.h" | 8 #include "ui/gfx/rect.h" |
| 9 #include "ui/gfx/rect_conversions.h" |
| 9 #include "ui/gfx/safe_integer_conversions.h" | 10 #include "ui/gfx/safe_integer_conversions.h" |
| 10 #include "ui/gfx/skia_util.h" | 11 #include "ui/gfx/skia_util.h" |
| 11 | 12 |
| 12 namespace gfx { | 13 namespace gfx { |
| 13 | 14 |
| 14 Transform::Transform() { | 15 Transform::Transform() { |
| 15 matrix_.reset(); | 16 matrix_.reset(); |
| 16 } | 17 } |
| 17 | 18 |
| 18 Transform::~Transform() {} | 19 Transform::~Transform() {} |
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| 148 return false; | 149 return false; |
| 149 | 150 |
| 150 TransformPointInternal(inverse, point); | 151 TransformPointInternal(inverse, point); |
| 151 return true; | 152 return true; |
| 152 } | 153 } |
| 153 | 154 |
| 154 void Transform::TransformRect(Rect* rect) const { | 155 void Transform::TransformRect(Rect* rect) const { |
| 155 SkRect src = RectToSkRect(*rect); | 156 SkRect src = RectToSkRect(*rect); |
| 156 const SkMatrix& matrix = matrix_; | 157 const SkMatrix& matrix = matrix_; |
| 157 matrix.mapRect(&src); | 158 matrix.mapRect(&src); |
| 158 *rect = SkRectToRect(src); | 159 *rect = gfx::ToFlooredRectDeprecated(SkRectToRectF(src)); |
| 159 } | 160 } |
| 160 | 161 |
| 161 bool Transform::TransformRectReverse(Rect* rect) const { | 162 bool Transform::TransformRectReverse(Rect* rect) const { |
| 162 SkMatrix44 inverse; | 163 SkMatrix44 inverse; |
| 163 if (!matrix_.invert(&inverse)) | 164 if (!matrix_.invert(&inverse)) |
| 164 return false; | 165 return false; |
| 165 const SkMatrix& matrix = inverse; | 166 const SkMatrix& matrix = inverse; |
| 166 SkRect src = RectToSkRect(*rect); | 167 SkRect src = RectToSkRect(*rect); |
| 167 matrix.mapRect(&src); | 168 matrix.mapRect(&src); |
| 168 *rect = SkRectToRect(src); | 169 *rect = gfx::ToFlooredRectDeprecated(SkRectToRectF(src)); |
| 169 return true; | 170 return true; |
| 170 } | 171 } |
| 171 | 172 |
| 172 void Transform::TransformPointInternal(const SkMatrix44& xform, | 173 void Transform::TransformPointInternal(const SkMatrix44& xform, |
| 173 Point3F& point) const { | 174 Point3F& point) const { |
| 174 SkScalar p[4] = { | 175 SkScalar p[4] = { |
| 175 SkFloatToScalar(point.x()), | 176 SkFloatToScalar(point.x()), |
| 176 SkFloatToScalar(point.y()), | 177 SkFloatToScalar(point.y()), |
| 177 SkFloatToScalar(point.z()), | 178 SkFloatToScalar(point.z()), |
| 178 1 }; | 179 1 }; |
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| 190 Point& point) const { | 191 Point& point) const { |
| 191 SkScalar p[4] = { SkIntToScalar(point.x()), SkIntToScalar(point.y()), | 192 SkScalar p[4] = { SkIntToScalar(point.x()), SkIntToScalar(point.y()), |
| 192 0, 1 }; | 193 0, 1 }; |
| 193 | 194 |
| 194 xform.map(p); | 195 xform.map(p); |
| 195 | 196 |
| 196 point.SetPoint(ToRoundedInt(p[0]), ToRoundedInt(p[1])); | 197 point.SetPoint(ToRoundedInt(p[0]), ToRoundedInt(p[1])); |
| 197 } | 198 } |
| 198 | 199 |
| 199 } // namespace gfx | 200 } // namespace gfx |
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