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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2013 Google Inc. | 3 * Copyright 2013 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 #ifdef SK_BUILD_FOR_WIN32 | 9 #ifdef SK_BUILD_FOR_WIN32 |
10 #pragma warning(push) | 10 #pragma warning(push) |
11 #pragma warning(disable : 4530) | 11 #pragma warning(disable : 4530) |
12 #endif | 12 #endif |
13 | 13 |
14 #include <poppler-document.h> | 14 #include <poppler-document.h> |
15 #include <poppler-image.h> | 15 #include <poppler-image.h> |
16 #include <poppler-page.h> | 16 #include <poppler-page.h> |
17 #include <poppler-page-renderer.h> | 17 #include <poppler-page-renderer.h> |
18 | 18 |
19 #include "SkPDFRasterizer.h" | 19 #include "SkPDFRasterizer.h" |
20 #include "SkColorPriv.h" | 20 #include "SkColorPriv.h" |
21 | 21 |
22 bool SkPopplerRasterizePDF(SkStream* pdf, SkBitmap* output) { | 22 bool SkPopplerRasterizePDF(SkStream* pdf, SkBitmap* output) { |
23 size_t size = pdf->getLength(); | 23 size_t size = pdf->getLength(); |
24 void* buffer = sk_malloc_throw(size); | 24 SkAutoFree buffer(sk_malloc_throw(size)); |
25 pdf->read(buffer, size); | 25 pdf->read(buffer.get(), size); |
26 | 26 |
27 SkAutoTDelete<poppler::document> doc( | 27 SkAutoTDelete<poppler::document> doc( |
28 poppler::document::load_from_raw_data((const char*)buffer, size)); | 28 poppler::document::load_from_raw_data((const char*)buffer.get(), size)); |
29 if (!doc.get() || doc->is_locked()) { | 29 if (!doc.get() || doc->is_locked()) { |
30 return false; | 30 return false; |
31 } | 31 } |
32 | 32 |
33 SkAutoTDelete<poppler::page> page(doc->create_page(0)); | 33 SkAutoTDelete<poppler::page> page(doc->create_page(0)); |
34 poppler::page_renderer renderer; | 34 poppler::page_renderer renderer; |
35 poppler::image image = renderer.render_page(page.get()); | 35 poppler::image image = renderer.render_page(page.get()); |
36 | 36 |
37 if (!image.is_valid() || image.format() != poppler::image::format_argb32) { | 37 if (!image.is_valid() || image.format() != poppler::image::format_argb32) { |
38 return false; | 38 return false; |
39 } | 39 } |
40 | 40 |
41 size_t width = image.width(), height = image.height(); | 41 size_t width = image.width(), height = image.height(); |
42 size_t rowSize = image.bytes_per_row(); | 42 size_t rowSize = image.bytes_per_row(); |
43 char *imgData = image.data(); | 43 char *imgData = image.data(); |
44 | 44 |
45 SkBitmap bitmap; | 45 SkBitmap bitmap; |
46 bitmap.setConfig(SkBitmap::kARGB_8888_Config, width, height); | 46 bitmap.setConfig(SkBitmap::kARGB_8888_Config, width, height); |
47 if (!bitmap.allocPixels()) { | 47 if (!bitmap.allocPixels()) { |
48 return false; | 48 return false; |
49 } | 49 } |
50 bitmap.eraseColor(SK_ColorWHITE); | 50 bitmap.eraseColor(SK_ColorWHITE); |
51 SkPMColor* bitmapPixels = (SkPMColor*)bitmap.getPixels(); | 51 SkPMColor* bitmapPixels = (SkPMColor*)bitmap.getPixels(); |
52 | 52 |
53 // do pixel-by-pixel copy to deal with RGBA ordering conversions | 53 // do pixel-by-pixel copy to deal with RGBA ordering conversions |
54 for (size_t y = 0; y < height; y++) { | 54 for (size_t y = 0; y < height; y++) { |
55 char *rowData = imgData; | 55 char *rowData = imgData; |
56 for (size_t x = 0; x < width; x++) { | 56 for (size_t x = 0; x < width; x++) { |
57 uint8_t a = rowData[3]; | 57 uint8_t a = rowData[3]; |
58 uint8_t r = rowData[2]; | 58 uint8_t r = rowData[2]; |
59 uint8_t g = rowData[1]; | 59 uint8_t g = rowData[1]; |
60 uint8_t b = rowData[0]; | 60 uint8_t b = rowData[0]; |
61 | 61 |
62 *bitmapPixels = SkPreMultiplyARGB(a, r, g, b); | 62 *bitmapPixels = SkPreMultiplyARGB(a, r, g, b); |
63 | 63 |
64 bitmapPixels++; | 64 bitmapPixels++; |
65 rowData += 4; | 65 rowData += 4; |
66 } | 66 } |
67 imgData += rowSize; | 67 imgData += rowSize; |
68 } | 68 } |
69 | 69 |
70 output->swap(bitmap); | 70 output->swap(bitmap); |
71 | 71 |
72 return true; | 72 return true; |
73 } | 73 } |
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