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| 1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| 6 | 6 |
| 7 #include "render_int.h" | 7 #include "render_int.h" |
| 8 | 8 |
| 9 #include "core/include/fpdfapi/fpdf_pageobj.h" | 9 #include "core/include/fpdfapi/fpdf_pageobj.h" |
| 10 #include "core/include/fpdfapi/fpdf_render.h" | 10 #include "core/include/fpdfapi/fpdf_render.h" |
| 11 #include "core/include/fxge/fx_ge.h" | 11 #include "core/include/fxge/fx_ge.h" |
| 12 #include "core/src/fpdfapi/fpdf_page/pageint.h" | 12 #include "core/src/fpdfapi/fpdf_page/pageint.h" |
| 13 | 13 |
| 14 #define SHADING_STEPS 256 | 14 #define SHADING_STEPS 256 |
| 15 static void DrawAxialShading(CFX_DIBitmap* pBitmap, | 15 static void DrawAxialShading(CFX_DIBitmap* pBitmap, |
| 16 CFX_Matrix* pObject2Bitmap, | 16 CFX_Matrix* pObject2Bitmap, |
| 17 CPDF_Dictionary* pDict, | 17 CPDF_Dictionary* pDict, |
| 18 CPDF_Function** pFuncs, | 18 CPDF_Function** pFuncs, |
| 19 int nFuncs, | 19 int nFuncs, |
| 20 CPDF_ColorSpace* pCS, | 20 CPDF_ColorSpace* pCS, |
| 21 int alpha) { | 21 int alpha) { |
| 22 ASSERT(pBitmap->GetFormat() == FXDIB_Argb); | 22 ASSERT(pBitmap->GetFormat() == FXDIB_Argb); |
| 23 CPDF_Array* pCoords = pDict->GetArray("Coords"); | 23 CPDF_Array* pCoords = pDict->GetArrayBy("Coords"); |
| 24 if (!pCoords) { | 24 if (!pCoords) { |
| 25 return; | 25 return; |
| 26 } | 26 } |
| 27 FX_FLOAT start_x = pCoords->GetNumber(0); | 27 FX_FLOAT start_x = pCoords->GetNumberAt(0); |
| 28 FX_FLOAT start_y = pCoords->GetNumber(1); | 28 FX_FLOAT start_y = pCoords->GetNumberAt(1); |
| 29 FX_FLOAT end_x = pCoords->GetNumber(2); | 29 FX_FLOAT end_x = pCoords->GetNumberAt(2); |
| 30 FX_FLOAT end_y = pCoords->GetNumber(3); | 30 FX_FLOAT end_y = pCoords->GetNumberAt(3); |
| 31 FX_FLOAT t_min = 0, t_max = 1.0f; | 31 FX_FLOAT t_min = 0, t_max = 1.0f; |
| 32 CPDF_Array* pArray = pDict->GetArray("Domain"); | 32 CPDF_Array* pArray = pDict->GetArrayBy("Domain"); |
| 33 if (pArray) { | 33 if (pArray) { |
| 34 t_min = pArray->GetNumber(0); | 34 t_min = pArray->GetNumberAt(0); |
| 35 t_max = pArray->GetNumber(1); | 35 t_max = pArray->GetNumberAt(1); |
| 36 } | 36 } |
| 37 FX_BOOL bStartExtend = FALSE, bEndExtend = FALSE; | 37 FX_BOOL bStartExtend = FALSE, bEndExtend = FALSE; |
| 38 pArray = pDict->GetArray("Extend"); | 38 pArray = pDict->GetArrayBy("Extend"); |
| 39 if (pArray) { | 39 if (pArray) { |
| 40 bStartExtend = pArray->GetInteger(0); | 40 bStartExtend = pArray->GetIntegerAt(0); |
| 41 bEndExtend = pArray->GetInteger(1); | 41 bEndExtend = pArray->GetIntegerAt(1); |
| 42 } | 42 } |
| 43 int width = pBitmap->GetWidth(); | 43 int width = pBitmap->GetWidth(); |
| 44 int height = pBitmap->GetHeight(); | 44 int height = pBitmap->GetHeight(); |
| 45 FX_FLOAT x_span = end_x - start_x; | 45 FX_FLOAT x_span = end_x - start_x; |
| 46 FX_FLOAT y_span = end_y - start_y; | 46 FX_FLOAT y_span = end_y - start_y; |
| 47 FX_FLOAT axis_len_square = | 47 FX_FLOAT axis_len_square = |
| 48 FXSYS_Mul(x_span, x_span) + FXSYS_Mul(y_span, y_span); | 48 FXSYS_Mul(x_span, x_span) + FXSYS_Mul(y_span, y_span); |
| 49 CFX_Matrix matrix; | 49 CFX_Matrix matrix; |
| 50 matrix.SetReverse(*pObject2Bitmap); | 50 matrix.SetReverse(*pObject2Bitmap); |
| 51 int total_results = 0; | 51 int total_results = 0; |
| (...skipping 52 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 104 } | 104 } |
| 105 } | 105 } |
| 106 static void DrawRadialShading(CFX_DIBitmap* pBitmap, | 106 static void DrawRadialShading(CFX_DIBitmap* pBitmap, |
| 107 CFX_Matrix* pObject2Bitmap, | 107 CFX_Matrix* pObject2Bitmap, |
| 108 CPDF_Dictionary* pDict, | 108 CPDF_Dictionary* pDict, |
| 109 CPDF_Function** pFuncs, | 109 CPDF_Function** pFuncs, |
| 110 int nFuncs, | 110 int nFuncs, |
| 111 CPDF_ColorSpace* pCS, | 111 CPDF_ColorSpace* pCS, |
| 112 int alpha) { | 112 int alpha) { |
| 113 ASSERT(pBitmap->GetFormat() == FXDIB_Argb); | 113 ASSERT(pBitmap->GetFormat() == FXDIB_Argb); |
| 114 CPDF_Array* pCoords = pDict->GetArray("Coords"); | 114 CPDF_Array* pCoords = pDict->GetArrayBy("Coords"); |
| 115 if (!pCoords) { | 115 if (!pCoords) { |
| 116 return; | 116 return; |
| 117 } | 117 } |
| 118 FX_FLOAT start_x = pCoords->GetNumber(0); | 118 FX_FLOAT start_x = pCoords->GetNumberAt(0); |
| 119 FX_FLOAT start_y = pCoords->GetNumber(1); | 119 FX_FLOAT start_y = pCoords->GetNumberAt(1); |
| 120 FX_FLOAT start_r = pCoords->GetNumber(2); | 120 FX_FLOAT start_r = pCoords->GetNumberAt(2); |
| 121 FX_FLOAT end_x = pCoords->GetNumber(3); | 121 FX_FLOAT end_x = pCoords->GetNumberAt(3); |
| 122 FX_FLOAT end_y = pCoords->GetNumber(4); | 122 FX_FLOAT end_y = pCoords->GetNumberAt(4); |
| 123 FX_FLOAT end_r = pCoords->GetNumber(5); | 123 FX_FLOAT end_r = pCoords->GetNumberAt(5); |
| 124 CFX_Matrix matrix; | 124 CFX_Matrix matrix; |
| 125 matrix.SetReverse(*pObject2Bitmap); | 125 matrix.SetReverse(*pObject2Bitmap); |
| 126 FX_FLOAT t_min = 0, t_max = 1.0f; | 126 FX_FLOAT t_min = 0, t_max = 1.0f; |
| 127 CPDF_Array* pArray = pDict->GetArray("Domain"); | 127 CPDF_Array* pArray = pDict->GetArrayBy("Domain"); |
| 128 if (pArray) { | 128 if (pArray) { |
| 129 t_min = pArray->GetNumber(0); | 129 t_min = pArray->GetNumberAt(0); |
| 130 t_max = pArray->GetNumber(1); | 130 t_max = pArray->GetNumberAt(1); |
| 131 } | 131 } |
| 132 FX_BOOL bStartExtend = FALSE, bEndExtend = FALSE; | 132 FX_BOOL bStartExtend = FALSE, bEndExtend = FALSE; |
| 133 pArray = pDict->GetArray("Extend"); | 133 pArray = pDict->GetArrayBy("Extend"); |
| 134 if (pArray) { | 134 if (pArray) { |
| 135 bStartExtend = pArray->GetInteger(0); | 135 bStartExtend = pArray->GetIntegerAt(0); |
| 136 bEndExtend = pArray->GetInteger(1); | 136 bEndExtend = pArray->GetIntegerAt(1); |
| 137 } | 137 } |
| 138 int total_results = 0; | 138 int total_results = 0; |
| 139 for (int j = 0; j < nFuncs; j++) { | 139 for (int j = 0; j < nFuncs; j++) { |
| 140 if (pFuncs[j]) { | 140 if (pFuncs[j]) { |
| 141 total_results += pFuncs[j]->CountOutputs(); | 141 total_results += pFuncs[j]->CountOutputs(); |
| 142 } | 142 } |
| 143 } | 143 } |
| 144 if (pCS->CountComponents() > total_results) { | 144 if (pCS->CountComponents() > total_results) { |
| 145 total_results = pCS->CountComponents(); | 145 total_results = pCS->CountComponents(); |
| 146 } | 146 } |
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| 242 } | 242 } |
| 243 } | 243 } |
| 244 static void DrawFuncShading(CFX_DIBitmap* pBitmap, | 244 static void DrawFuncShading(CFX_DIBitmap* pBitmap, |
| 245 CFX_Matrix* pObject2Bitmap, | 245 CFX_Matrix* pObject2Bitmap, |
| 246 CPDF_Dictionary* pDict, | 246 CPDF_Dictionary* pDict, |
| 247 CPDF_Function** pFuncs, | 247 CPDF_Function** pFuncs, |
| 248 int nFuncs, | 248 int nFuncs, |
| 249 CPDF_ColorSpace* pCS, | 249 CPDF_ColorSpace* pCS, |
| 250 int alpha) { | 250 int alpha) { |
| 251 ASSERT(pBitmap->GetFormat() == FXDIB_Argb); | 251 ASSERT(pBitmap->GetFormat() == FXDIB_Argb); |
| 252 CPDF_Array* pDomain = pDict->GetArray("Domain"); | 252 CPDF_Array* pDomain = pDict->GetArrayBy("Domain"); |
| 253 FX_FLOAT xmin = 0, ymin = 0, xmax = 1.0f, ymax = 1.0f; | 253 FX_FLOAT xmin = 0, ymin = 0, xmax = 1.0f, ymax = 1.0f; |
| 254 if (pDomain) { | 254 if (pDomain) { |
| 255 xmin = pDomain->GetNumber(0); | 255 xmin = pDomain->GetNumberAt(0); |
| 256 xmax = pDomain->GetNumber(1); | 256 xmax = pDomain->GetNumberAt(1); |
| 257 ymin = pDomain->GetNumber(2); | 257 ymin = pDomain->GetNumberAt(2); |
| 258 ymax = pDomain->GetNumber(3); | 258 ymax = pDomain->GetNumberAt(3); |
| 259 } | 259 } |
| 260 CFX_Matrix mtDomain2Target = pDict->GetMatrix("Matrix"); | 260 CFX_Matrix mtDomain2Target = pDict->GetMatrixBy("Matrix"); |
| 261 CFX_Matrix matrix, reverse_matrix; | 261 CFX_Matrix matrix, reverse_matrix; |
| 262 matrix.SetReverse(*pObject2Bitmap); | 262 matrix.SetReverse(*pObject2Bitmap); |
| 263 reverse_matrix.SetReverse(mtDomain2Target); | 263 reverse_matrix.SetReverse(mtDomain2Target); |
| 264 matrix.Concat(reverse_matrix); | 264 matrix.Concat(reverse_matrix); |
| 265 int width = pBitmap->GetWidth(); | 265 int width = pBitmap->GetWidth(); |
| 266 int height = pBitmap->GetHeight(); | 266 int height = pBitmap->GetHeight(); |
| 267 int pitch = pBitmap->GetPitch(); | 267 int pitch = pBitmap->GetPitch(); |
| 268 int total_results = 0; | 268 int total_results = 0; |
| 269 for (int j = 0; j < nFuncs; j++) { | 269 for (int j = 0; j < nFuncs; j++) { |
| 270 if (pFuncs[j]) { | 270 if (pFuncs[j]) { |
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| 446 } | 446 } |
| 447 static void DrawLatticeGouraudShading(CFX_DIBitmap* pBitmap, | 447 static void DrawLatticeGouraudShading(CFX_DIBitmap* pBitmap, |
| 448 CFX_Matrix* pObject2Bitmap, | 448 CFX_Matrix* pObject2Bitmap, |
| 449 CPDF_Stream* pShadingStream, | 449 CPDF_Stream* pShadingStream, |
| 450 CPDF_Function** pFuncs, | 450 CPDF_Function** pFuncs, |
| 451 int nFuncs, | 451 int nFuncs, |
| 452 CPDF_ColorSpace* pCS, | 452 CPDF_ColorSpace* pCS, |
| 453 int alpha) { | 453 int alpha) { |
| 454 ASSERT(pBitmap->GetFormat() == FXDIB_Argb); | 454 ASSERT(pBitmap->GetFormat() == FXDIB_Argb); |
| 455 | 455 |
| 456 int row_verts = pShadingStream->GetDict()->GetInteger("VerticesPerRow"); | 456 int row_verts = pShadingStream->GetDict()->GetIntegerBy("VerticesPerRow"); |
| 457 if (row_verts < 2) | 457 if (row_verts < 2) |
| 458 return; | 458 return; |
| 459 | 459 |
| 460 CPDF_MeshStream stream; | 460 CPDF_MeshStream stream; |
| 461 if (!stream.Load(pShadingStream, pFuncs, nFuncs, pCS)) | 461 if (!stream.Load(pShadingStream, pFuncs, nFuncs, pCS)) |
| 462 return; | 462 return; |
| 463 | 463 |
| 464 CPDF_MeshVertex* vertex = FX_Alloc2D(CPDF_MeshVertex, row_verts, 2); | 464 CPDF_MeshVertex* vertex = FX_Alloc2D(CPDF_MeshVertex, row_verts, 2); |
| 465 if (!stream.GetVertexRow(vertex, row_verts, pObject2Bitmap)) { | 465 if (!stream.GetVertexRow(vertex, row_verts, pObject2Bitmap)) { |
| 466 FX_Free(vertex); | 466 FX_Free(vertex); |
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| 834 int nFuncs = pPattern->m_nFuncs; | 834 int nFuncs = pPattern->m_nFuncs; |
| 835 CPDF_Dictionary* pDict = pPattern->m_pShadingObj->GetDict(); | 835 CPDF_Dictionary* pDict = pPattern->m_pShadingObj->GetDict(); |
| 836 CPDF_ColorSpace* pColorSpace = pPattern->m_pCS; | 836 CPDF_ColorSpace* pColorSpace = pPattern->m_pCS; |
| 837 if (!pColorSpace) { | 837 if (!pColorSpace) { |
| 838 return; | 838 return; |
| 839 } | 839 } |
| 840 FX_ARGB background = 0; | 840 FX_ARGB background = 0; |
| 841 if (!pPattern->m_bShadingObj && | 841 if (!pPattern->m_bShadingObj && |
| 842 pPattern->m_pShadingObj->GetDict()->KeyExist("Background")) { | 842 pPattern->m_pShadingObj->GetDict()->KeyExist("Background")) { |
| 843 CPDF_Array* pBackColor = | 843 CPDF_Array* pBackColor = |
| 844 pPattern->m_pShadingObj->GetDict()->GetArray("Background"); | 844 pPattern->m_pShadingObj->GetDict()->GetArrayBy("Background"); |
| 845 if (pBackColor && | 845 if (pBackColor && |
| 846 pBackColor->GetCount() >= (FX_DWORD)pColorSpace->CountComponents()) { | 846 pBackColor->GetCount() >= (FX_DWORD)pColorSpace->CountComponents()) { |
| 847 CFX_FixedBufGrow<FX_FLOAT, 16> comps(pColorSpace->CountComponents()); | 847 CFX_FixedBufGrow<FX_FLOAT, 16> comps(pColorSpace->CountComponents()); |
| 848 for (int i = 0; i < pColorSpace->CountComponents(); i++) { | 848 for (int i = 0; i < pColorSpace->CountComponents(); i++) { |
| 849 comps[i] = pBackColor->GetNumber(i); | 849 comps[i] = pBackColor->GetNumberAt(i); |
| 850 } | 850 } |
| 851 FX_FLOAT R = 0.0f, G = 0.0f, B = 0.0f; | 851 FX_FLOAT R = 0.0f, G = 0.0f, B = 0.0f; |
| 852 pColorSpace->GetRGB(comps, R, G, B); | 852 pColorSpace->GetRGB(comps, R, G, B); |
| 853 background = ArgbEncode(255, (int32_t)(R * 255), (int32_t)(G * 255), | 853 background = ArgbEncode(255, (int32_t)(R * 255), (int32_t)(G * 255), |
| 854 (int32_t)(B * 255)); | 854 (int32_t)(B * 255)); |
| 855 } | 855 } |
| 856 } | 856 } |
| 857 if (pDict->KeyExist("BBox")) { | 857 if (pDict->KeyExist("BBox")) { |
| 858 CFX_FloatRect rect = pDict->GetRect("BBox"); | 858 CFX_FloatRect rect = pDict->GetRectBy("BBox"); |
| 859 rect.Transform(pMatrix); | 859 rect.Transform(pMatrix); |
| 860 clip_rect.Intersect(rect.GetOutterRect()); | 860 clip_rect.Intersect(rect.GetOutterRect()); |
| 861 } | 861 } |
| 862 CPDF_DeviceBuffer buffer; | 862 CPDF_DeviceBuffer buffer; |
| 863 buffer.Initialize(m_pContext, m_pDevice, &clip_rect, m_pCurObj, 150); | 863 buffer.Initialize(m_pContext, m_pDevice, &clip_rect, m_pCurObj, 150); |
| 864 CFX_Matrix FinalMatrix = *pMatrix; | 864 CFX_Matrix FinalMatrix = *pMatrix; |
| 865 FinalMatrix.Concat(*buffer.GetMatrix()); | 865 FinalMatrix.Concat(*buffer.GetMatrix()); |
| 866 CFX_DIBitmap* pBitmap = buffer.GetBitmap(); | 866 CFX_DIBitmap* pBitmap = buffer.GetBitmap(); |
| 867 if (!pBitmap->GetBuffer()) { | 867 if (!pBitmap->GetBuffer()) { |
| 868 return; | 868 return; |
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| 1056 max_row = (int)FXSYS_floor( | 1056 max_row = (int)FXSYS_floor( |
| 1057 FXSYS_Div(clip_box_p.top - pPattern->m_BBox.bottom, pPattern->m_YStep)); | 1057 FXSYS_Div(clip_box_p.top - pPattern->m_BBox.bottom, pPattern->m_YStep)); |
| 1058 if (width > clip_box.Width() || height > clip_box.Height() || | 1058 if (width > clip_box.Width() || height > clip_box.Height() || |
| 1059 width * height > clip_box.Width() * clip_box.Height()) { | 1059 width * height > clip_box.Width() * clip_box.Height()) { |
| 1060 CPDF_GraphicStates* pStates = NULL; | 1060 CPDF_GraphicStates* pStates = NULL; |
| 1061 if (!pPattern->m_bColored) { | 1061 if (!pPattern->m_bColored) { |
| 1062 pStates = CloneObjStates(pPageObj, bStroke); | 1062 pStates = CloneObjStates(pPageObj, bStroke); |
| 1063 } | 1063 } |
| 1064 CPDF_Dictionary* pFormResource = NULL; | 1064 CPDF_Dictionary* pFormResource = NULL; |
| 1065 if (pPattern->m_pForm->m_pFormDict) { | 1065 if (pPattern->m_pForm->m_pFormDict) { |
| 1066 pFormResource = pPattern->m_pForm->m_pFormDict->GetDict("Resources"); | 1066 pFormResource = pPattern->m_pForm->m_pFormDict->GetDictBy("Resources"); |
| 1067 } | 1067 } |
| 1068 for (int col = min_col; col <= max_col; col++) | 1068 for (int col = min_col; col <= max_col; col++) |
| 1069 for (int row = min_row; row <= max_row; row++) { | 1069 for (int row = min_row; row <= max_row; row++) { |
| 1070 FX_FLOAT orig_x, orig_y; | 1070 FX_FLOAT orig_x, orig_y; |
| 1071 orig_x = col * pPattern->m_XStep; | 1071 orig_x = col * pPattern->m_XStep; |
| 1072 orig_y = row * pPattern->m_YStep; | 1072 orig_y = row * pPattern->m_YStep; |
| 1073 mtPattern2Device.Transform(orig_x, orig_y); | 1073 mtPattern2Device.Transform(orig_x, orig_y); |
| 1074 CFX_Matrix matrix = *pObj2Device; | 1074 CFX_Matrix matrix = *pObj2Device; |
| 1075 matrix.Translate(orig_x - mtPattern2Device.e, | 1075 matrix.Translate(orig_x - mtPattern2Device.e, |
| 1076 orig_y - mtPattern2Device.f); | 1076 orig_y - mtPattern2Device.f); |
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| 1207 } | 1207 } |
| 1208 } | 1208 } |
| 1209 if (bStroke) { | 1209 if (bStroke) { |
| 1210 CPDF_Color& StrokeColor = *pPathObj->m_ColorState.GetStrokeColor(); | 1210 CPDF_Color& StrokeColor = *pPathObj->m_ColorState.GetStrokeColor(); |
| 1211 if (StrokeColor.m_pCS && StrokeColor.m_pCS->GetFamily() == PDFCS_PATTERN) { | 1211 if (StrokeColor.m_pCS && StrokeColor.m_pCS->GetFamily() == PDFCS_PATTERN) { |
| 1212 DrawPathWithPattern(pPathObj, pObj2Device, &StrokeColor, TRUE); | 1212 DrawPathWithPattern(pPathObj, pObj2Device, &StrokeColor, TRUE); |
| 1213 bStroke = FALSE; | 1213 bStroke = FALSE; |
| 1214 } | 1214 } |
| 1215 } | 1215 } |
| 1216 } | 1216 } |
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