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| 1 /* | 1 /* |
| 2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 Google Inc. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #include "SkSurface_Base.h" | 8 #include "SkSurface_Base.h" |
| 9 #include "SkImagePriv.h" | 9 #include "SkImagePriv.h" |
| 10 #include "SkCanvas.h" | 10 #include "SkCanvas.h" |
| (...skipping 23 matching lines...) Expand all Loading... |
| 34 | 34 |
| 35 typedef SkSurface_Base INHERITED; | 35 typedef SkSurface_Base INHERITED; |
| 36 }; | 36 }; |
| 37 | 37 |
| 38 /////////////////////////////////////////////////////////////////////////////// | 38 /////////////////////////////////////////////////////////////////////////////// |
| 39 | 39 |
| 40 bool SkSurface_Raster::Valid(const SkImageInfo& info, size_t rowBytes) { | 40 bool SkSurface_Raster::Valid(const SkImageInfo& info, size_t rowBytes) { |
| 41 static const size_t kMaxTotalSize = SK_MaxS32; | 41 static const size_t kMaxTotalSize = SK_MaxS32; |
| 42 | 42 |
| 43 int shift = 0; | 43 int shift = 0; |
| 44 switch (info.fColorType) { | 44 switch (info.colorType()) { |
| 45 case kAlpha_8_SkColorType: | 45 case kAlpha_8_SkColorType: |
| 46 shift = 0; | 46 shift = 0; |
| 47 break; | 47 break; |
| 48 case kRGB_565_SkColorType: | 48 case kRGB_565_SkColorType: |
| 49 shift = 1; | 49 shift = 1; |
| 50 break; | 50 break; |
| 51 case kN32_SkColorType: | 51 case kN32_SkColorType: |
| 52 shift = 2; | 52 shift = 2; |
| 53 break; | 53 break; |
| 54 default: | 54 default: |
| 55 return false; | 55 return false; |
| 56 } | 56 } |
| 57 | 57 |
| 58 if (kIgnoreRowBytesValue == rowBytes) { | 58 if (kIgnoreRowBytesValue == rowBytes) { |
| 59 return true; | 59 return true; |
| 60 } | 60 } |
| 61 | 61 |
| 62 uint64_t minRB = (uint64_t)info.fWidth << shift; | 62 uint64_t minRB = (uint64_t)info.width() << shift; |
| 63 if (minRB > rowBytes) { | 63 if (minRB > rowBytes) { |
| 64 return false; | 64 return false; |
| 65 } | 65 } |
| 66 | 66 |
| 67 size_t alignedRowBytes = rowBytes >> shift << shift; | 67 size_t alignedRowBytes = rowBytes >> shift << shift; |
| 68 if (alignedRowBytes != rowBytes) { | 68 if (alignedRowBytes != rowBytes) { |
| 69 return false; | 69 return false; |
| 70 } | 70 } |
| 71 | 71 |
| 72 uint64_t size = sk_64_mul(info.fHeight, rowBytes); | 72 uint64_t size = sk_64_mul(info.height(), rowBytes); |
| 73 if (size > kMaxTotalSize) { | 73 if (size > kMaxTotalSize) { |
| 74 return false; | 74 return false; |
| 75 } | 75 } |
| 76 | 76 |
| 77 return true; | 77 return true; |
| 78 } | 78 } |
| 79 | 79 |
| 80 SkSurface_Raster::SkSurface_Raster(const SkImageInfo& info, void* pixels, size_t
rb, | 80 SkSurface_Raster::SkSurface_Raster(const SkImageInfo& info, void* pixels, size_t
rb, |
| 81 void (*releaseProc)(void* pixels, void* conte
xt), void* context) | 81 void (*releaseProc)(void* pixels, void* conte
xt), void* context) |
| 82 : INHERITED(info) | 82 : INHERITED(info) |
| 83 { | 83 { |
| 84 fBitmap.installPixels(info, pixels, rb, NULL, releaseProc, context); | 84 fBitmap.installPixels(info, pixels, rb, NULL, releaseProc, context); |
| 85 fWeOwnThePixels = false; // We are "Direct" | 85 fWeOwnThePixels = false; // We are "Direct" |
| 86 } | 86 } |
| 87 | 87 |
| 88 SkSurface_Raster::SkSurface_Raster(SkPixelRef* pr) | 88 SkSurface_Raster::SkSurface_Raster(SkPixelRef* pr) |
| 89 : INHERITED(pr->info().fWidth, pr->info().fHeight) | 89 : INHERITED(pr->info().width(), pr->info().height()) |
| 90 { | 90 { |
| 91 const SkImageInfo& info = pr->info(); | 91 const SkImageInfo& info = pr->info(); |
| 92 | 92 |
| 93 fBitmap.setInfo(info, info.minRowBytes()); | 93 fBitmap.setInfo(info, info.minRowBytes()); |
| 94 fBitmap.setPixelRef(pr); | 94 fBitmap.setPixelRef(pr); |
| 95 fWeOwnThePixels = true; | 95 fWeOwnThePixels = true; |
| 96 | 96 |
| 97 if (!info.isOpaque()) { | 97 if (!info.isOpaque()) { |
| 98 fBitmap.eraseColor(SK_ColorTRANSPARENT); | 98 fBitmap.eraseColor(SK_ColorTRANSPARENT); |
| 99 } | 99 } |
| (...skipping 62 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 162 if (!SkSurface_Raster::Valid(info)) { | 162 if (!SkSurface_Raster::Valid(info)) { |
| 163 return NULL; | 163 return NULL; |
| 164 } | 164 } |
| 165 | 165 |
| 166 SkAutoTUnref<SkPixelRef> pr(SkMallocPixelRef::NewAllocate(info, 0, NULL)); | 166 SkAutoTUnref<SkPixelRef> pr(SkMallocPixelRef::NewAllocate(info, 0, NULL)); |
| 167 if (NULL == pr.get()) { | 167 if (NULL == pr.get()) { |
| 168 return NULL; | 168 return NULL; |
| 169 } | 169 } |
| 170 return SkNEW_ARGS(SkSurface_Raster, (pr)); | 170 return SkNEW_ARGS(SkSurface_Raster, (pr)); |
| 171 } | 171 } |
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