diff options
author | Dan Sinclair <dsinclair@chromium.org> | 2015-10-22 16:45:48 -0400 |
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committer | Dan Sinclair <dsinclair@chromium.org> | 2015-10-22 16:45:48 -0400 |
commit | aa435ba7fe0aacd9102e8c73311c5382ca112439 (patch) | |
tree | d37573646c6135126d3971358024a70ee222fb21 /core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp | |
parent | 2b11dc1220746d2f6f97a940fc9e4235c8ed4975 (diff) | |
download | pdfium-aa435ba7fe0aacd9102e8c73311c5382ca112439.tar.xz |
Merge to XFA: Add type cast definitions for CPDF_Stream.
This Cl adds ToStream, CPDF_Object::AsStream and CPDF_Object::IsStream and
updates the src to use them as needed.
BUG=pdfium:201
R=tsepez@chromium.org
Review URL: https://codereview.chromium.org/1402413004 .
(cherry picked from commit 338805f1366dcdf9a5b48cf591541cf98d7490f1)
Review URL: https://codereview.chromium.org/1422513004 .
Diffstat (limited to 'core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp')
-rw-r--r-- | core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp | 161 |
1 files changed, 76 insertions, 85 deletions
diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp index b64002c13e..4ed6c07675 100644 --- a/core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp +++ b/core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp @@ -10,13 +10,13 @@ #include "../fpdf_page/pageint.h" #include "render_int.h" #define SHADING_STEPS 256 -static void _DrawAxialShading(CFX_DIBitmap* pBitmap, - CFX_AffineMatrix* pObject2Bitmap, - CPDF_Dictionary* pDict, - CPDF_Function** pFuncs, - int nFuncs, - CPDF_ColorSpace* pCS, - int alpha) { +static void DrawAxialShading(CFX_DIBitmap* pBitmap, + CFX_AffineMatrix* pObject2Bitmap, + CPDF_Dictionary* pDict, + CPDF_Function** pFuncs, + int nFuncs, + CPDF_ColorSpace* pCS, + int alpha) { ASSERT(pBitmap->GetFormat() == FXDIB_Argb); CPDF_Array* pCoords = pDict->GetArray(FX_BSTRC("Coords")); if (pCoords == NULL) { @@ -101,13 +101,13 @@ static void _DrawAxialShading(CFX_DIBitmap* pBitmap, } } } -static void _DrawRadialShading(CFX_DIBitmap* pBitmap, - CFX_AffineMatrix* pObject2Bitmap, - CPDF_Dictionary* pDict, - CPDF_Function** pFuncs, - int nFuncs, - CPDF_ColorSpace* pCS, - int alpha) { +static void DrawRadialShading(CFX_DIBitmap* pBitmap, + CFX_AffineMatrix* pObject2Bitmap, + CPDF_Dictionary* pDict, + CPDF_Function** pFuncs, + int nFuncs, + CPDF_ColorSpace* pCS, + int alpha) { ASSERT(pBitmap->GetFormat() == FXDIB_Argb); CPDF_Array* pCoords = pDict->GetArray(FX_BSTRC("Coords")); if (pCoords == NULL) { @@ -239,13 +239,13 @@ static void _DrawRadialShading(CFX_DIBitmap* pBitmap, } } } -static void _DrawFuncShading(CFX_DIBitmap* pBitmap, - CFX_AffineMatrix* pObject2Bitmap, - CPDF_Dictionary* pDict, - CPDF_Function** pFuncs, - int nFuncs, - CPDF_ColorSpace* pCS, - int alpha) { +static void DrawFuncShading(CFX_DIBitmap* pBitmap, + CFX_AffineMatrix* pObject2Bitmap, + CPDF_Dictionary* pDict, + CPDF_Function** pFuncs, + int nFuncs, + CPDF_ColorSpace* pCS, + int alpha) { ASSERT(pBitmap->GetFormat() == FXDIB_Argb); CPDF_Array* pDomain = pDict->GetArray(FX_BSTRC("Domain")); FX_FLOAT xmin = 0, ymin = 0, xmax = 1.0f, ymax = 1.0f; @@ -323,9 +323,9 @@ FX_BOOL _GetScanlineIntersect(int y, x = x1 + FXSYS_MulDiv(x2 - x1, y - y1, y2 - y1); return TRUE; } -static void _DrawGouraud(CFX_DIBitmap* pBitmap, - int alpha, - CPDF_MeshVertex triangle[3]) { +static void DrawGouraud(CFX_DIBitmap* pBitmap, + int alpha, + CPDF_MeshVertex triangle[3]) { FX_FLOAT min_y = triangle[0].y, max_y = triangle[0].y; for (int i = 1; i < 3; i++) { if (min_y > triangle[i].y) { @@ -408,21 +408,19 @@ static void _DrawGouraud(CFX_DIBitmap* pBitmap, } } } -static void _DrawFreeGouraudShading(CFX_DIBitmap* pBitmap, - CFX_AffineMatrix* pObject2Bitmap, - CPDF_Stream* pShadingStream, - CPDF_Function** pFuncs, - int nFuncs, - CPDF_ColorSpace* pCS, - int alpha) { +static void DrawFreeGouraudShading(CFX_DIBitmap* pBitmap, + CFX_AffineMatrix* pObject2Bitmap, + CPDF_Stream* pShadingStream, + CPDF_Function** pFuncs, + int nFuncs, + CPDF_ColorSpace* pCS, + int alpha) { ASSERT(pBitmap->GetFormat() == FXDIB_Argb); - if (pShadingStream->GetType() != PDFOBJ_STREAM) { - return; - } + CPDF_MeshStream stream; - if (!stream.Load(pShadingStream, pFuncs, nFuncs, pCS)) { + if (!stream.Load(pShadingStream, pFuncs, nFuncs, pCS)) return; - } + CPDF_MeshVertex triangle[3]; FXSYS_memset(triangle, 0, sizeof(triangle)); @@ -441,28 +439,26 @@ static void _DrawFreeGouraudShading(CFX_DIBitmap* pBitmap, triangle[1] = triangle[2]; triangle[2] = vertex; } - _DrawGouraud(pBitmap, alpha, triangle); + DrawGouraud(pBitmap, alpha, triangle); } } -static void _DrawLatticeGouraudShading(CFX_DIBitmap* pBitmap, - CFX_AffineMatrix* pObject2Bitmap, - CPDF_Stream* pShadingStream, - CPDF_Function** pFuncs, - int nFuncs, - CPDF_ColorSpace* pCS, - int alpha) { +static void DrawLatticeGouraudShading(CFX_DIBitmap* pBitmap, + CFX_AffineMatrix* pObject2Bitmap, + CPDF_Stream* pShadingStream, + CPDF_Function** pFuncs, + int nFuncs, + CPDF_ColorSpace* pCS, + int alpha) { ASSERT(pBitmap->GetFormat() == FXDIB_Argb); - if (pShadingStream->GetType() != PDFOBJ_STREAM) { - return; - } + int row_verts = pShadingStream->GetDict()->GetInteger("VerticesPerRow"); - if (row_verts < 2) { + if (row_verts < 2) return; - } + CPDF_MeshStream stream; - if (!stream.Load(pShadingStream, pFuncs, nFuncs, pCS)) { + if (!stream.Load(pShadingStream, pFuncs, nFuncs, pCS)) return; - } + CPDF_MeshVertex* vertex = FX_Alloc2D(CPDF_MeshVertex, row_verts, 2); if (!stream.GetVertexRow(vertex, row_verts, pObject2Bitmap)) { FX_Free(vertex); @@ -481,9 +477,9 @@ static void _DrawLatticeGouraudShading(CFX_DIBitmap* pBitmap, triangle[0] = last_row[i]; triangle[1] = this_row[i - 1]; triangle[2] = last_row[i - 1]; - _DrawGouraud(pBitmap, alpha, triangle); + DrawGouraud(pBitmap, alpha, triangle); triangle[2] = this_row[i]; - _DrawGouraud(pBitmap, alpha, triangle); + DrawGouraud(pBitmap, alpha, triangle); } last_index = 1 - last_index; } @@ -748,29 +744,24 @@ FX_BOOL _CheckCoonTensorPara(const CPDF_MeshStream& stream) { return bCoorBits && bCompBits && bFlagBits; } -static void _DrawCoonPatchMeshes(FX_BOOL bTensor, - CFX_DIBitmap* pBitmap, - CFX_AffineMatrix* pObject2Bitmap, - CPDF_Stream* pShadingStream, - CPDF_Function** pFuncs, - int nFuncs, - CPDF_ColorSpace* pCS, - int fill_mode, - int alpha) { +static void DrawCoonPatchMeshes(FX_BOOL bTensor, + CFX_DIBitmap* pBitmap, + CFX_AffineMatrix* pObject2Bitmap, + CPDF_Stream* pShadingStream, + CPDF_Function** pFuncs, + int nFuncs, + CPDF_ColorSpace* pCS, + int fill_mode, + int alpha) { ASSERT(pBitmap->GetFormat() == FXDIB_Argb); - if (pShadingStream->GetType() != PDFOBJ_STREAM) { - return; - } + CFX_FxgeDevice device; device.Attach(pBitmap); CPDF_MeshStream stream; - if (!stream.Load(pShadingStream, pFuncs, nFuncs, pCS)) { + if (!stream.Load(pShadingStream, pFuncs, nFuncs, pCS)) return; - } - - if (!_CheckCoonTensorPara(stream)) { + if (!_CheckCoonTensorPara(stream)) return; - } CPDF_PatchDrawer patch; patch.alpha = alpha; @@ -878,32 +869,32 @@ void CPDF_RenderStatus::DrawShading(CPDF_ShadingPattern* pPattern, int fill_mode = m_Options.m_Flags; switch (pPattern->m_ShadingType) { case 1: - _DrawFuncShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs, - pColorSpace, alpha); + DrawFuncShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs, pColorSpace, + alpha); break; case 2: - _DrawAxialShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs, - pColorSpace, alpha); + DrawAxialShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs, + pColorSpace, alpha); break; case 3: - _DrawRadialShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs, - pColorSpace, alpha); + DrawRadialShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs, + pColorSpace, alpha); break; case 4: { - _DrawFreeGouraudShading(pBitmap, &FinalMatrix, - (CPDF_Stream*)pPattern->m_pShadingObj, pFuncs, - nFuncs, pColorSpace, alpha); + DrawFreeGouraudShading(pBitmap, &FinalMatrix, + ToStream(pPattern->m_pShadingObj), pFuncs, nFuncs, + pColorSpace, alpha); } break; case 5: { - _DrawLatticeGouraudShading(pBitmap, &FinalMatrix, - (CPDF_Stream*)pPattern->m_pShadingObj, pFuncs, - nFuncs, pColorSpace, alpha); + DrawLatticeGouraudShading(pBitmap, &FinalMatrix, + ToStream(pPattern->m_pShadingObj), pFuncs, + nFuncs, pColorSpace, alpha); } break; case 6: case 7: { - _DrawCoonPatchMeshes(pPattern->m_ShadingType - 6, pBitmap, &FinalMatrix, - (CPDF_Stream*)pPattern->m_pShadingObj, pFuncs, - nFuncs, pColorSpace, fill_mode, alpha); + DrawCoonPatchMeshes(pPattern->m_ShadingType - 6, pBitmap, &FinalMatrix, + ToStream(pPattern->m_pShadingObj), pFuncs, nFuncs, + pColorSpace, fill_mode, alpha); } break; } if (bAlphaMode) { |