gfx/skia/trunk/src/utils/SkPDFRasterizer.cpp

Sat, 03 Jan 2015 20:18:00 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Sat, 03 Jan 2015 20:18:00 +0100
branch
TOR_BUG_3246
changeset 7
129ffea94266
permissions
-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

michael@0 1
michael@0 2 /*
michael@0 3 * Copyright 2013 Google Inc.
michael@0 4 *
michael@0 5 * Use of this source code is governed by a BSD-style license that can be
michael@0 6 * found in the LICENSE file.
michael@0 7 */
michael@0 8
michael@0 9 #ifdef SK_BUILD_FOR_WIN32
michael@0 10 #pragma warning(push)
michael@0 11 #pragma warning(disable : 4530)
michael@0 12 #endif
michael@0 13
michael@0 14 #include "SkPDFRasterizer.h"
michael@0 15 #include "SkColorPriv.h"
michael@0 16
michael@0 17 #ifdef SK_BUILD_NATIVE_PDF_RENDERER
michael@0 18 #include "SkPdfRenderer.h"
michael@0 19 #endif // SK_BUILD_NATIVE_PDF_RENDERER
michael@0 20
michael@0 21 #ifdef SK_BUILD_POPPLER
michael@0 22 #include <poppler-document.h>
michael@0 23 #include <poppler-image.h>
michael@0 24 #include <poppler-page.h>
michael@0 25 #include <poppler-page-renderer.h>
michael@0 26 #endif // SK_BUILD_POPPLER
michael@0 27
michael@0 28 #ifdef SK_BUILD_POPPLER
michael@0 29 bool SkPopplerRasterizePDF(SkStream* pdf, SkBitmap* output) {
michael@0 30 size_t size = pdf->getLength();
michael@0 31 SkAutoFree buffer(sk_malloc_throw(size));
michael@0 32 pdf->read(buffer.get(), size);
michael@0 33
michael@0 34 SkAutoTDelete<poppler::document> doc(
michael@0 35 poppler::document::load_from_raw_data((const char*)buffer.get(), size));
michael@0 36 if (!doc.get() || doc->is_locked()) {
michael@0 37 return false;
michael@0 38 }
michael@0 39
michael@0 40 SkAutoTDelete<poppler::page> page(doc->create_page(0));
michael@0 41 poppler::page_renderer renderer;
michael@0 42 poppler::image image = renderer.render_page(page.get());
michael@0 43
michael@0 44 if (!image.is_valid() || image.format() != poppler::image::format_argb32) {
michael@0 45 return false;
michael@0 46 }
michael@0 47
michael@0 48 int width = image.width(), height = image.height();
michael@0 49 size_t rowSize = image.bytes_per_row();
michael@0 50 char *imgData = image.data();
michael@0 51
michael@0 52 SkBitmap bitmap;
michael@0 53 if (!bitmap.allocPixels(SkImageInfo::MakeN32Premul(width, height))) {
michael@0 54 return false;
michael@0 55 }
michael@0 56 bitmap.eraseColor(SK_ColorWHITE);
michael@0 57 SkPMColor* bitmapPixels = (SkPMColor*)bitmap.getPixels();
michael@0 58
michael@0 59 // do pixel-by-pixel copy to deal with RGBA ordering conversions
michael@0 60 for (int y = 0; y < height; y++) {
michael@0 61 char *rowData = imgData;
michael@0 62 for (int x = 0; x < width; x++) {
michael@0 63 uint8_t a = rowData[3];
michael@0 64 uint8_t r = rowData[2];
michael@0 65 uint8_t g = rowData[1];
michael@0 66 uint8_t b = rowData[0];
michael@0 67
michael@0 68 *bitmapPixels = SkPreMultiplyARGB(a, r, g, b);
michael@0 69
michael@0 70 bitmapPixels++;
michael@0 71 rowData += 4;
michael@0 72 }
michael@0 73 imgData += rowSize;
michael@0 74 }
michael@0 75
michael@0 76 output->swap(bitmap);
michael@0 77
michael@0 78 return true;
michael@0 79 }
michael@0 80 #endif // SK_BUILD_POPPLER
michael@0 81
michael@0 82 #ifdef SK_BUILD_NATIVE_PDF_RENDERER
michael@0 83 bool SkNativeRasterizePDF(SkStream* pdf, SkBitmap* output) {
michael@0 84 return SkPDFNativeRenderToBitmap(pdf, output);
michael@0 85 }
michael@0 86 #endif // SK_BUILD_NATIVE_PDF_RENDERER

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