| // Copyright 2016 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #include "core/fpdfapi/render/cpdf_renderoptions.h" |
| |
| CPDF_RenderOptions::CPDF_RenderOptions() |
| : m_ColorMode(RENDER_COLOR_NORMAL), |
| m_Flags(RENDER_CLEARTYPE), |
| m_Interpolation(0), |
| m_AddFlags(0), |
| m_dwLimitCacheSize(1024 * 1024 * 100), |
| m_HalftoneLimit(-1), |
| m_bDrawAnnots(false) {} |
| |
| CPDF_RenderOptions::CPDF_RenderOptions(const CPDF_RenderOptions& rhs) |
| : m_ColorMode(rhs.m_ColorMode), |
| m_BackColor(rhs.m_BackColor), |
| m_ForeColor(rhs.m_ForeColor), |
| m_Flags(rhs.m_Flags), |
| m_Interpolation(rhs.m_Interpolation), |
| m_AddFlags(rhs.m_AddFlags), |
| m_dwLimitCacheSize(rhs.m_dwLimitCacheSize), |
| m_HalftoneLimit(rhs.m_HalftoneLimit), |
| m_bDrawAnnots(rhs.m_bDrawAnnots), |
| m_pOCContext(rhs.m_pOCContext) {} |
| |
| CPDF_RenderOptions::~CPDF_RenderOptions() {} |
| |
| FX_ARGB CPDF_RenderOptions::TranslateColor(FX_ARGB argb) const { |
| if (m_ColorMode == RENDER_COLOR_NORMAL) |
| return argb; |
| |
| if (m_ColorMode == RENDER_COLOR_ALPHA) |
| return argb; |
| |
| int a; |
| int r; |
| int g; |
| int b; |
| std::tie(a, r, g, b) = ArgbDecode(argb); |
| int gray = FXRGB2GRAY(r, g, b); |
| if (m_ColorMode == RENDER_COLOR_TWOCOLOR) { |
| int color = (r - gray) * (r - gray) + (g - gray) * (g - gray) + |
| (b - gray) * (b - gray); |
| if (gray < 35 && color < 20) |
| return ArgbEncode(a, m_ForeColor); |
| |
| if (gray > 221 && color < 20) |
| return ArgbEncode(a, m_BackColor); |
| |
| return argb; |
| } |
| int fr = FXSYS_GetRValue(m_ForeColor); |
| int fg = FXSYS_GetGValue(m_ForeColor); |
| int fb = FXSYS_GetBValue(m_ForeColor); |
| int br = FXSYS_GetRValue(m_BackColor); |
| int bg = FXSYS_GetGValue(m_BackColor); |
| int bb = FXSYS_GetBValue(m_BackColor); |
| r = (br - fr) * gray / 255 + fr; |
| g = (bg - fg) * gray / 255 + fg; |
| b = (bb - fb) * gray / 255 + fb; |
| return ArgbEncode(a, r, g, b); |
| } |