1 // Copyright 2016 The PDFium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7 #include "core/fpdfapi/render/cpdf_renderoptions.h"
8
9 namespace {
10
11 constexpr uint32_t kCacheSizeLimitBytes = 100 * 1024 * 1024;
12
13 } // namespace
14
15 CPDF_RenderOptions::Options::Options() = default;
16
17 CPDF_RenderOptions::Options::Options(const CPDF_RenderOptions::Options& rhs) =
18 default;
19
20 CPDF_RenderOptions::Options& CPDF_RenderOptions::Options::operator=(
21 const CPDF_RenderOptions::Options& rhs) = default;
22
CPDF_RenderOptions()23 CPDF_RenderOptions::CPDF_RenderOptions() {
24 // TODO(thestig): Make constexpr to initialize |m_Options| once C++14 is
25 // available.
26 m_Options.bClearType = true;
27 }
28
29 CPDF_RenderOptions::CPDF_RenderOptions(const CPDF_RenderOptions& rhs) = default;
30
31 CPDF_RenderOptions::~CPDF_RenderOptions() = default;
32
TranslateColor(FX_ARGB argb) const33 FX_ARGB CPDF_RenderOptions::TranslateColor(FX_ARGB argb) const {
34 if (ColorModeIs(kNormal))
35 return argb;
36 if (ColorModeIs(kAlpha))
37 return argb;
38
39 int a;
40 int r;
41 int g;
42 int b;
43 std::tie(a, r, g, b) = ArgbDecode(argb);
44 int gray = FXRGB2GRAY(r, g, b);
45 return ArgbEncode(a, gray, gray, gray);
46 }
47
TranslateObjectColor(FX_ARGB argb,CPDF_PageObject::Type object_type,RenderType render_type) const48 FX_ARGB CPDF_RenderOptions::TranslateObjectColor(
49 FX_ARGB argb,
50 CPDF_PageObject::Type object_type,
51 RenderType render_type) const {
52 if (!ColorModeIs(kForcedColor))
53 return TranslateColor(argb);
54
55 switch (object_type) {
56 case CPDF_PageObject::Type::kPath:
57 return render_type == RenderType::kFill ? m_ColorScheme.path_fill_color
58 : m_ColorScheme.path_stroke_color;
59 case CPDF_PageObject::Type::kText:
60 return render_type == RenderType::kFill ? m_ColorScheme.text_fill_color
61 : m_ColorScheme.text_stroke_color;
62 default:
63 return argb;
64 }
65 }
66
GetCacheSizeLimit() const67 uint32_t CPDF_RenderOptions::GetCacheSizeLimit() const {
68 return kCacheSizeLimitBytes;
69 }
70
CheckOCGDictVisible(const CPDF_Dictionary * pOC) const71 bool CPDF_RenderOptions::CheckOCGDictVisible(const CPDF_Dictionary* pOC) const {
72 return !m_pOCContext || m_pOCContext->CheckOCGDictVisible(pOC);
73 }
74
CheckPageObjectVisible(const CPDF_PageObject * pPageObj) const75 bool CPDF_RenderOptions::CheckPageObjectVisible(
76 const CPDF_PageObject* pPageObj) const {
77 return !m_pOCContext || m_pOCContext->CheckPageObjectVisible(pPageObj);
78 }
79