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comparison: gfx/thebes/gfxQuartzSurface.cpp
gfx/thebes/gfxQuartzSurface.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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deleted
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| -1:000000000000 | 0:fe34fe58d95b |
|---|---|
| 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 "gfxQuartzSurface.h" | |
| 7 #include "gfxContext.h" | |
| 8 #include "gfxImageSurface.h" | |
| 9 | |
| 10 #include "cairo-quartz.h" | |
| 11 | |
| 12 void | |
| 13 gfxQuartzSurface::MakeInvalid() | |
| 14 { | |
| 15 mSize = gfxIntSize(-1, -1); | |
| 16 } | |
| 17 | |
| 18 gfxQuartzSurface::gfxQuartzSurface(const gfxSize& desiredSize, gfxImageFormat format, | |
| 19 bool aForPrinting) | |
| 20 : mCGContext(nullptr), mSize(desiredSize), mForPrinting(aForPrinting) | |
| 21 { | |
| 22 gfxIntSize size((unsigned int) floor(desiredSize.width), | |
| 23 (unsigned int) floor(desiredSize.height)); | |
| 24 if (!CheckSurfaceSize(size)) | |
| 25 MakeInvalid(); | |
| 26 | |
| 27 unsigned int width = static_cast<unsigned int>(mSize.width); | |
| 28 unsigned int height = static_cast<unsigned int>(mSize.height); | |
| 29 | |
| 30 cairo_surface_t *surf = cairo_quartz_surface_create | |
| 31 ((cairo_format_t) format, width, height); | |
| 32 | |
| 33 mCGContext = cairo_quartz_surface_get_cg_context (surf); | |
| 34 | |
| 35 CGContextRetain(mCGContext); | |
| 36 | |
| 37 Init(surf); | |
| 38 if (mSurfaceValid) { | |
| 39 RecordMemoryUsed(mSize.height * 4 + sizeof(gfxQuartzSurface)); | |
| 40 } | |
| 41 } | |
| 42 | |
| 43 gfxQuartzSurface::gfxQuartzSurface(CGContextRef context, | |
| 44 const gfxSize& desiredSize, | |
| 45 bool aForPrinting) | |
| 46 : mCGContext(context), mSize(desiredSize), mForPrinting(aForPrinting) | |
| 47 { | |
| 48 gfxIntSize size((unsigned int) floor(desiredSize.width), | |
| 49 (unsigned int) floor(desiredSize.height)); | |
| 50 if (!CheckSurfaceSize(size)) | |
| 51 MakeInvalid(); | |
| 52 | |
| 53 unsigned int width = static_cast<unsigned int>(mSize.width); | |
| 54 unsigned int height = static_cast<unsigned int>(mSize.height); | |
| 55 | |
| 56 cairo_surface_t *surf = | |
| 57 cairo_quartz_surface_create_for_cg_context(context, | |
| 58 width, height); | |
| 59 | |
| 60 CGContextRetain(mCGContext); | |
| 61 | |
| 62 Init(surf); | |
| 63 if (mSurfaceValid) { | |
| 64 RecordMemoryUsed(mSize.height * 4 + sizeof(gfxQuartzSurface)); | |
| 65 } | |
| 66 } | |
| 67 | |
| 68 gfxQuartzSurface::gfxQuartzSurface(CGContextRef context, | |
| 69 const gfxIntSize& size, | |
| 70 bool aForPrinting) | |
| 71 : mCGContext(context), mSize(size), mForPrinting(aForPrinting) | |
| 72 { | |
| 73 if (!CheckSurfaceSize(size)) | |
| 74 MakeInvalid(); | |
| 75 | |
| 76 unsigned int width = static_cast<unsigned int>(mSize.width); | |
| 77 unsigned int height = static_cast<unsigned int>(mSize.height); | |
| 78 | |
| 79 cairo_surface_t *surf = | |
| 80 cairo_quartz_surface_create_for_cg_context(context, | |
| 81 width, height); | |
| 82 | |
| 83 CGContextRetain(mCGContext); | |
| 84 | |
| 85 Init(surf); | |
| 86 if (mSurfaceValid) { | |
| 87 RecordMemoryUsed(mSize.height * 4 + sizeof(gfxQuartzSurface)); | |
| 88 } | |
| 89 } | |
| 90 | |
| 91 gfxQuartzSurface::gfxQuartzSurface(cairo_surface_t *csurf, | |
| 92 const gfxIntSize& aSize, | |
| 93 bool aForPrinting) : | |
| 94 mSize(aSize), mForPrinting(aForPrinting) | |
| 95 { | |
| 96 mCGContext = cairo_quartz_surface_get_cg_context (csurf); | |
| 97 CGContextRetain (mCGContext); | |
| 98 | |
| 99 Init(csurf, true); | |
| 100 } | |
| 101 | |
| 102 gfxQuartzSurface::gfxQuartzSurface(unsigned char *data, | |
| 103 const gfxSize& desiredSize, | |
| 104 long stride, | |
| 105 gfxImageFormat format, | |
| 106 bool aForPrinting) | |
| 107 : mCGContext(nullptr), mSize(desiredSize), mForPrinting(aForPrinting) | |
| 108 { | |
| 109 gfxIntSize size((unsigned int) floor(desiredSize.width), | |
| 110 (unsigned int) floor(desiredSize.height)); | |
| 111 if (!CheckSurfaceSize(size)) | |
| 112 MakeInvalid(); | |
| 113 | |
| 114 unsigned int width = static_cast<unsigned int>(mSize.width); | |
| 115 unsigned int height = static_cast<unsigned int>(mSize.height); | |
| 116 | |
| 117 cairo_surface_t *surf = cairo_quartz_surface_create_for_data | |
| 118 (data, (cairo_format_t) format, width, height, stride); | |
| 119 | |
| 120 mCGContext = cairo_quartz_surface_get_cg_context (surf); | |
| 121 | |
| 122 CGContextRetain(mCGContext); | |
| 123 | |
| 124 Init(surf); | |
| 125 if (mSurfaceValid) { | |
| 126 RecordMemoryUsed(mSize.height * stride + sizeof(gfxQuartzSurface)); | |
| 127 } | |
| 128 } | |
| 129 | |
| 130 gfxQuartzSurface::gfxQuartzSurface(unsigned char *data, | |
| 131 const gfxIntSize& aSize, | |
| 132 long stride, | |
| 133 gfxImageFormat format, | |
| 134 bool aForPrinting) | |
| 135 : mCGContext(nullptr), mSize(aSize.width, aSize.height), mForPrinting(aForPrinting) | |
| 136 { | |
| 137 if (!CheckSurfaceSize(aSize)) | |
| 138 MakeInvalid(); | |
| 139 | |
| 140 cairo_surface_t *surf = cairo_quartz_surface_create_for_data | |
| 141 (data, (cairo_format_t) format, aSize.width, aSize.height, stride); | |
| 142 | |
| 143 mCGContext = cairo_quartz_surface_get_cg_context (surf); | |
| 144 | |
| 145 CGContextRetain(mCGContext); | |
| 146 | |
| 147 Init(surf); | |
| 148 if (mSurfaceValid) { | |
| 149 RecordMemoryUsed(mSize.height * stride + sizeof(gfxQuartzSurface)); | |
| 150 } | |
| 151 } | |
| 152 | |
| 153 already_AddRefed<gfxASurface> | |
| 154 gfxQuartzSurface::CreateSimilarSurface(gfxContentType aType, | |
| 155 const gfxIntSize& aSize) | |
| 156 { | |
| 157 cairo_surface_t *surface = | |
| 158 cairo_quartz_surface_create_cg_layer(mSurface, (cairo_content_t)aType, | |
| 159 aSize.width, aSize.height); | |
| 160 if (cairo_surface_status(surface)) { | |
| 161 cairo_surface_destroy(surface); | |
| 162 return nullptr; | |
| 163 } | |
| 164 | |
| 165 nsRefPtr<gfxASurface> result = Wrap(surface, aSize); | |
| 166 cairo_surface_destroy(surface); | |
| 167 return result.forget(); | |
| 168 } | |
| 169 | |
| 170 CGContextRef | |
| 171 gfxQuartzSurface::GetCGContextWithClip(gfxContext *ctx) | |
| 172 { | |
| 173 return cairo_quartz_get_cg_context_with_clip(ctx->GetCairo()); | |
| 174 } | |
| 175 | |
| 176 int32_t gfxQuartzSurface::GetDefaultContextFlags() const | |
| 177 { | |
| 178 if (mForPrinting) | |
| 179 return gfxContext::FLAG_DISABLE_SNAPPING | | |
| 180 gfxContext::FLAG_DISABLE_COPY_BACKGROUND; | |
| 181 | |
| 182 return 0; | |
| 183 } | |
| 184 | |
| 185 already_AddRefed<gfxImageSurface> gfxQuartzSurface::GetAsImageSurface() | |
| 186 { | |
| 187 cairo_surface_t *surface = cairo_quartz_surface_get_image(mSurface); | |
| 188 if (!surface || cairo_surface_status(surface)) | |
| 189 return nullptr; | |
| 190 | |
| 191 nsRefPtr<gfxASurface> img = Wrap(surface); | |
| 192 | |
| 193 // cairo_quartz_surface_get_image returns a referenced image, and thebes | |
| 194 // shares the refcounts of Cairo surfaces. However, Wrap also adds a | |
| 195 // reference to the image. We need to remove one of these references | |
| 196 // explicitly so we don't leak. | |
| 197 img->Release(); | |
| 198 | |
| 199 img->SetOpaqueRect(GetOpaqueRect()); | |
| 200 | |
| 201 return img.forget().downcast<gfxImageSurface>(); | |
| 202 } | |
| 203 | |
| 204 gfxQuartzSurface::~gfxQuartzSurface() | |
| 205 { | |
| 206 CGContextRelease(mCGContext); | |
| 207 } |
