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comparison: gfx/thebes/RoundedRect.h
gfx/thebes/RoundedRect.h
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:7330e82e224f |
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| 1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- | |
| 2 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "gfxRect.h" | |
| 7 | |
| 8 namespace mozilla { | |
| 9 /* A rounded rectangle abstraction. | |
| 10 * | |
| 11 * This can represent a rectangle with a different pair of radii on each corner. | |
| 12 * | |
| 13 * Note: CoreGraphics and Direct2D only support rounded rectangle with the same | |
| 14 * radii on all corners. However, supporting CSS's border-radius requires the extra flexibility. */ | |
| 15 struct RoundedRect { | |
| 16 RoundedRect(gfxRect &aRect, gfxCornerSizes &aCorners) : rect(aRect), corners(aCorners) { } | |
| 17 void Deflate(gfxFloat aTopWidth, gfxFloat aBottomWidth, gfxFloat aLeftWidth, gfxFloat aRightWidth) { | |
| 18 // deflate the internal rect | |
| 19 rect.x += aLeftWidth; | |
| 20 rect.y += aTopWidth; | |
| 21 rect.width = std::max(0., rect.width - aLeftWidth - aRightWidth); | |
| 22 rect.height = std::max(0., rect.height - aTopWidth - aBottomWidth); | |
| 23 | |
| 24 corners.sizes[NS_CORNER_TOP_LEFT].width = std::max(0., corners.sizes[NS_CORNER_TOP_LEFT].width - aLeftWidth); | |
| 25 corners.sizes[NS_CORNER_TOP_LEFT].height = std::max(0., corners.sizes[NS_CORNER_TOP_LEFT].height - aTopWidth); | |
| 26 | |
| 27 corners.sizes[NS_CORNER_TOP_RIGHT].width = std::max(0., corners.sizes[NS_CORNER_TOP_RIGHT].width - aRightWidth); | |
| 28 corners.sizes[NS_CORNER_TOP_RIGHT].height = std::max(0., corners.sizes[NS_CORNER_TOP_RIGHT].height - aTopWidth); | |
| 29 | |
| 30 corners.sizes[NS_CORNER_BOTTOM_LEFT].width = std::max(0., corners.sizes[NS_CORNER_BOTTOM_LEFT].width - aLeftWidth); | |
| 31 corners.sizes[NS_CORNER_BOTTOM_LEFT].height = std::max(0., corners.sizes[NS_CORNER_BOTTOM_LEFT].height - aBottomWidth); | |
| 32 | |
| 33 corners.sizes[NS_CORNER_BOTTOM_RIGHT].width = std::max(0., corners.sizes[NS_CORNER_BOTTOM_RIGHT].width - aRightWidth); | |
| 34 corners.sizes[NS_CORNER_BOTTOM_RIGHT].height = std::max(0., corners.sizes[NS_CORNER_BOTTOM_RIGHT].height - aBottomWidth); | |
| 35 } | |
| 36 gfxRect rect; | |
| 37 gfxCornerSizes corners; | |
| 38 }; | |
| 39 | |
| 40 } // namespace mozilla |
