The Tor Browser / file comparison
comparison: gfx/src/nsSize.h
gfx/src/nsSize.h
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:c4551196f8a7 |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 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 #ifndef NSSIZE_H | |
| 7 #define NSSIZE_H | |
| 8 | |
| 9 #include "nsCoord.h" | |
| 10 #include "mozilla/gfx/BaseSize.h" | |
| 11 #include "mozilla/gfx/Point.h" | |
| 12 | |
| 13 // Maximum allowable size | |
| 14 #define NS_MAXSIZE nscoord_MAX | |
| 15 | |
| 16 struct nsIntSize; | |
| 17 typedef nsIntSize gfxIntSize; | |
| 18 | |
| 19 struct nsSize : public mozilla::gfx::BaseSize<nscoord, nsSize> { | |
| 20 typedef mozilla::gfx::BaseSize<nscoord, nsSize> Super; | |
| 21 | |
| 22 nsSize() : Super() {} | |
| 23 nsSize(nscoord aWidth, nscoord aHeight) : Super(aWidth, aHeight) {} | |
| 24 | |
| 25 inline nsIntSize ScaleToNearestPixels(float aXScale, float aYScale, | |
| 26 nscoord aAppUnitsPerPixel) const; | |
| 27 inline nsIntSize ToNearestPixels(nscoord aAppUnitsPerPixel) const; | |
| 28 | |
| 29 // Converts this size from aFromAPP, an appunits per pixel ratio, to aToAPP. | |
| 30 inline nsSize ConvertAppUnits(int32_t aFromAPP, int32_t aToAPP) const; | |
| 31 }; | |
| 32 | |
| 33 struct nsIntSize : public mozilla::gfx::BaseSize<int32_t, nsIntSize> { | |
| 34 typedef mozilla::gfx::BaseSize<int32_t, nsIntSize> Super; | |
| 35 | |
| 36 nsIntSize() : Super() {} | |
| 37 nsIntSize(int32_t aWidth, int32_t aHeight) : Super(aWidth, aHeight) {} | |
| 38 | |
| 39 inline nsSize ToAppUnits(nscoord aAppUnitsPerPixel) const; | |
| 40 mozilla::gfx::IntSize ToIntSize() const | |
| 41 { | |
| 42 return mozilla::gfx::IntSize(width, height); | |
| 43 }; | |
| 44 }; | |
| 45 | |
| 46 inline nsIntSize | |
| 47 nsSize::ScaleToNearestPixels(float aXScale, float aYScale, | |
| 48 nscoord aAppUnitsPerPixel) const | |
| 49 { | |
| 50 return nsIntSize( | |
| 51 NSToIntRoundUp(NSAppUnitsToDoublePixels(width, aAppUnitsPerPixel) * aXScale), | |
| 52 NSToIntRoundUp(NSAppUnitsToDoublePixels(height, aAppUnitsPerPixel) * aYScale)); | |
| 53 } | |
| 54 | |
| 55 inline nsIntSize | |
| 56 nsSize::ToNearestPixels(nscoord aAppUnitsPerPixel) const | |
| 57 { | |
| 58 return ScaleToNearestPixels(1.0f, 1.0f, aAppUnitsPerPixel); | |
| 59 } | |
| 60 | |
| 61 inline nsSize | |
| 62 nsSize::ConvertAppUnits(int32_t aFromAPP, int32_t aToAPP) const { | |
| 63 if (aFromAPP != aToAPP) { | |
| 64 nsSize size; | |
| 65 size.width = NSToCoordRound(NSCoordScale(width, aFromAPP, aToAPP)); | |
| 66 size.height = NSToCoordRound(NSCoordScale(height, aFromAPP, aToAPP)); | |
| 67 return size; | |
| 68 } | |
| 69 return *this; | |
| 70 } | |
| 71 | |
| 72 inline nsSize | |
| 73 nsIntSize::ToAppUnits(nscoord aAppUnitsPerPixel) const | |
| 74 { | |
| 75 return nsSize(NSIntPixelsToAppUnits(width, aAppUnitsPerPixel), | |
| 76 NSIntPixelsToAppUnits(height, aAppUnitsPerPixel)); | |
| 77 } | |
| 78 | |
| 79 #endif /* NSSIZE_H */ |
