Index: core/fpdfapi/fpdf_page/cpdf_generalstatedata.cpp |
diff --git a/core/fpdfapi/fpdf_page/cpdf_generalstatedata.cpp b/core/fpdfapi/fpdf_page/cpdf_generalstatedata.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..2e4b5e4dff3c4f979a66b5bf9c344d60f898eff2 |
--- /dev/null |
+++ b/core/fpdfapi/fpdf_page/cpdf_generalstatedata.cpp |
@@ -0,0 +1,95 @@ |
+// 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/fpdf_page/include/cpdf_generalstatedata.h" |
+ |
+#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" |
+#include "core/fpdfapi/fpdf_render/render_int.h" |
+ |
+namespace { |
+ |
+static int GetBlendTypeInternal(const CFX_ByteStringC& mode) { |
+ switch (mode.GetID()) { |
+ case FXBSTR_ID('N', 'o', 'r', 'm'): |
+ case FXBSTR_ID('C', 'o', 'm', 'p'): |
+ return FXDIB_BLEND_NORMAL; |
+ case FXBSTR_ID('M', 'u', 'l', 't'): |
+ return FXDIB_BLEND_MULTIPLY; |
+ case FXBSTR_ID('S', 'c', 'r', 'e'): |
+ return FXDIB_BLEND_SCREEN; |
+ case FXBSTR_ID('O', 'v', 'e', 'r'): |
+ return FXDIB_BLEND_OVERLAY; |
+ case FXBSTR_ID('D', 'a', 'r', 'k'): |
+ return FXDIB_BLEND_DARKEN; |
+ case FXBSTR_ID('L', 'i', 'g', 'h'): |
+ return FXDIB_BLEND_LIGHTEN; |
+ case FXBSTR_ID('C', 'o', 'l', 'o'): |
+ if (mode.GetLength() == 10) |
+ return FXDIB_BLEND_COLORDODGE; |
+ |
+ if (mode.GetLength() == 9) |
+ return FXDIB_BLEND_COLORBURN; |
+ |
+ return FXDIB_BLEND_COLOR; |
+ case FXBSTR_ID('H', 'a', 'r', 'd'): |
+ return FXDIB_BLEND_HARDLIGHT; |
+ case FXBSTR_ID('S', 'o', 'f', 't'): |
+ return FXDIB_BLEND_SOFTLIGHT; |
+ case FXBSTR_ID('D', 'i', 'f', 'f'): |
+ return FXDIB_BLEND_DIFFERENCE; |
+ case FXBSTR_ID('E', 'x', 'c', 'l'): |
+ return FXDIB_BLEND_EXCLUSION; |
+ case FXBSTR_ID('H', 'u', 'e', 0): |
+ return FXDIB_BLEND_HUE; |
+ case FXBSTR_ID('S', 'a', 't', 'u'): |
+ return FXDIB_BLEND_SATURATION; |
+ case FXBSTR_ID('L', 'u', 'm', 'i'): |
+ return FXDIB_BLEND_LUMINOSITY; |
+ } |
+ return FXDIB_BLEND_NORMAL; |
+} |
+ |
+} // namespace |
+ |
+CPDF_GeneralStateData::CPDF_GeneralStateData() { |
+ FXSYS_memset(this, 0, sizeof(CPDF_GeneralStateData)); |
+ FXSYS_strcpy((FX_CHAR*)m_BlendMode, "Normal"); |
+ m_StrokeAlpha = 1.0f; |
+ m_FillAlpha = 1.0f; |
+ m_Flatness = 1.0f; |
+ m_Matrix.SetIdentity(); |
+} |
+ |
+CPDF_GeneralStateData::CPDF_GeneralStateData(const CPDF_GeneralStateData& src) { |
+ FXSYS_memcpy(this, &src, sizeof(CPDF_GeneralStateData)); |
+ if (src.m_pTransferFunc && src.m_pTransferFunc->m_pPDFDoc) { |
+ CPDF_DocRenderData* pDocCache = |
+ src.m_pTransferFunc->m_pPDFDoc->GetRenderData(); |
+ if (!pDocCache) |
+ return; |
+ |
+ m_pTransferFunc = pDocCache->GetTransferFunc(m_pTR); |
+ } |
+} |
+ |
+CPDF_GeneralStateData::~CPDF_GeneralStateData() { |
+ if (m_pTransferFunc && m_pTransferFunc->m_pPDFDoc) { |
+ CPDF_DocRenderData* pDocCache = m_pTransferFunc->m_pPDFDoc->GetRenderData(); |
+ if (!pDocCache) |
+ return; |
+ |
+ pDocCache->ReleaseTransferFunc(m_pTR); |
+ } |
+} |
+ |
+void CPDF_GeneralStateData::SetBlendMode(const CFX_ByteStringC& blend_mode) { |
+ if (blend_mode.GetLength() > 15) { |
+ return; |
+ } |
+ FXSYS_memcpy(m_BlendMode, blend_mode.GetPtr(), blend_mode.GetLength()); |
+ m_BlendMode[blend_mode.GetLength()] = 0; |
+ m_BlendType = GetBlendTypeInternal(blend_mode); |
+} |