From 5110c4743751145c4ae1934cd1d83bc6c55bb43f Mon Sep 17 00:00:00 2001 From: John Abd-El-Malek Date: Sat, 17 May 2014 22:33:34 -0700 Subject: Initial commit. --- .../fpdfapi/fpdf_render/fpdf_render_pattern.cpp | 1093 ++++++++++++++++++++ 1 file changed, 1093 insertions(+) create mode 100644 core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp (limited to 'core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp') diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp new file mode 100644 index 0000000000..8cc30a72a1 --- /dev/null +++ b/core/src/fpdfapi/fpdf_render/fpdf_render_pattern.cpp @@ -0,0 +1,1093 @@ +// Copyright 2014 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 "../../../include/fpdfapi/fpdf_render.h" +#include "../../../include/fpdfapi/fpdf_pageobj.h" +#include "../../../include/fxge/fx_ge.h" +#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) +{ + ASSERT(pBitmap->GetFormat() == FXDIB_Argb); + CPDF_Array* pCoords = pDict->GetArray(FX_BSTRC("Coords")); + if (pCoords == NULL) { + return; + } + FX_FLOAT start_x = pCoords->GetNumber(0); + FX_FLOAT start_y = pCoords->GetNumber(1); + FX_FLOAT end_x = pCoords->GetNumber(2); + FX_FLOAT end_y = pCoords->GetNumber(3); + FX_FLOAT t_min = 0, t_max = 1.0f; + CPDF_Array* pArray = pDict->GetArray(FX_BSTRC("Domain")); + if (pArray) { + t_min = pArray->GetNumber(0); + t_max = pArray->GetNumber(1); + } + FX_BOOL bStartExtend = FALSE, bEndExtend = FALSE; + pArray = pDict->GetArray(FX_BSTRC("Extend")); + if (pArray) { + bStartExtend = pArray->GetInteger(0); + bEndExtend = pArray->GetInteger(1); + } + int width = pBitmap->GetWidth(); + int height = pBitmap->GetHeight(); + FX_FLOAT x_span = end_x - start_x; + FX_FLOAT y_span = end_y - start_y; + FX_FLOAT axis_len_square = FXSYS_Mul(x_span, x_span) + FXSYS_Mul(y_span, y_span); + CFX_AffineMatrix matrix; + matrix.SetReverse(*pObject2Bitmap); + int total_results = 0; + for (int j = 0; j < nFuncs; j ++) { + if (pFuncs[j]) { + total_results += pFuncs[j]->CountOutputs(); + } + } + if (pCS->CountComponents() > total_results) { + total_results = pCS->CountComponents(); + } + CFX_FixedBufGrow result_array(total_results); + FX_FLOAT* pResults = result_array; + FXSYS_memset32(pResults, 0, total_results * sizeof(FX_FLOAT)); + FX_DWORD rgb_array[SHADING_STEPS]; + for (int i = 0; i < SHADING_STEPS; i ++) { + FX_FLOAT input = (t_max - t_min) * i / SHADING_STEPS + t_min; + int offset = 0; + for (int j = 0; j < nFuncs; j ++) { + if (pFuncs[j]) { + int nresults = 0; + if (pFuncs[j]->Call(&input, 1, pResults + offset, nresults)) { + offset += nresults; + } + } + } + FX_FLOAT R, G, B; + pCS->GetRGB(pResults, R, G, B); + rgb_array[i] = FXARGB_TODIB(FXARGB_MAKE(alpha, FXSYS_round(R * 255), FXSYS_round(G * 255), FXSYS_round(B * 255))); + } + int pitch = pBitmap->GetPitch(); + int Bpp = pBitmap->GetBPP() / 8; + for (int row = 0; row < height; row ++) { + FX_DWORD* dib_buf = (FX_DWORD*)(pBitmap->GetBuffer() + row * pitch); + for (int column = 0; column < width; column ++) { + FX_FLOAT x = (FX_FLOAT)column, y = (FX_FLOAT)row; + matrix.Transform(x, y); + FX_FLOAT scale = FXSYS_Div(FXSYS_Mul(x - start_x, x_span) + FXSYS_Mul(y - start_y, y_span), axis_len_square); + int index = (FX_INT32)(scale * (SHADING_STEPS - 1)); + if (index < 0) { + if (!bStartExtend) { + continue; + } + index = 0; + } else if (index >= SHADING_STEPS) { + if (!bEndExtend) { + continue; + } + index = SHADING_STEPS - 1; + } + dib_buf[column] = rgb_array[index]; + } + } +} +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) { + return; + } + FX_FLOAT start_x = pCoords->GetNumber(0); + FX_FLOAT start_y = pCoords->GetNumber(1); + FX_FLOAT start_r = pCoords->GetNumber(2); + FX_FLOAT end_x = pCoords->GetNumber(3); + FX_FLOAT end_y = pCoords->GetNumber(4); + FX_FLOAT end_r = pCoords->GetNumber(5); + CFX_AffineMatrix matrix; + matrix.SetReverse(*pObject2Bitmap); + FX_FLOAT t_min = 0, t_max = 1.0f; + CPDF_Array* pArray = pDict->GetArray(FX_BSTRC("Domain")); + if (pArray) { + t_min = pArray->GetNumber(0); + t_max = pArray->GetNumber(1); + } + FX_BOOL bStartExtend = FALSE, bEndExtend = FALSE; + pArray = pDict->GetArray(FX_BSTRC("Extend")); + if (pArray) { + bStartExtend = pArray->GetInteger(0); + bEndExtend = pArray->GetInteger(1); + } + int total_results = 0; + for (int j = 0; j < nFuncs; j ++) { + if (pFuncs[j]) { + total_results += pFuncs[j]->CountOutputs(); + } + } + if (pCS->CountComponents() > total_results) { + total_results = pCS->CountComponents(); + } + CFX_FixedBufGrow result_array(total_results); + FX_FLOAT* pResults = result_array; + FXSYS_memset32(pResults, 0, total_results * sizeof(FX_FLOAT)); + FX_DWORD rgb_array[SHADING_STEPS]; + for (int i = 0; i < SHADING_STEPS; i ++) { + FX_FLOAT input = (t_max - t_min) * i / SHADING_STEPS + t_min; + int offset = 0; + for (int j = 0; j < nFuncs; j ++) { + if (pFuncs[j]) { + int nresults; + if (pFuncs[j]->Call(&input, 1, pResults + offset, nresults)) { + offset += nresults; + } + } + } + FX_FLOAT R, G, B; + pCS->GetRGB(pResults, R, G, B); + rgb_array[i] = FXARGB_TODIB(FXARGB_MAKE(alpha, FXSYS_round(R * 255), FXSYS_round(G * 255), FXSYS_round(B * 255))); + } + FX_FLOAT a = FXSYS_Mul(start_x - end_x, start_x - end_x) + + FXSYS_Mul(start_y - end_y, start_y - end_y) - FXSYS_Mul(start_r - end_r, start_r - end_r); + int width = pBitmap->GetWidth(); + int height = pBitmap->GetHeight(); + int pitch = pBitmap->GetPitch(); + int Bpp = pBitmap->GetBPP() / 8; + FX_BOOL bDecreasing = FALSE; + if (start_r > end_r) { + int length = (int)FXSYS_sqrt((FXSYS_Mul(start_x - end_x, start_x - end_x) + FXSYS_Mul(start_y - end_y, start_y - end_y))); + if (length < start_r - end_r) { + bDecreasing = TRUE; + } + } + for (int row = 0; row < height; row ++) { + FX_DWORD* dib_buf = (FX_DWORD*)(pBitmap->GetBuffer() + row * pitch); + for (int column = 0; column < width; column ++) { + FX_FLOAT x = (FX_FLOAT)column, y = (FX_FLOAT)row; + matrix.Transform(x, y); + FX_FLOAT b = -2 * (FXSYS_Mul(x - start_x, end_x - start_x) + FXSYS_Mul(y - start_y, end_y - start_y) + + FXSYS_Mul(start_r, end_r - start_r)); + FX_FLOAT c = FXSYS_Mul(x - start_x, x - start_x) + FXSYS_Mul(y - start_y, y - start_y) - + FXSYS_Mul(start_r, start_r); + FX_FLOAT s; + if (a == 0) { + s = FXSYS_Div(-c, b); + } else { + FX_FLOAT b2_4ac = FXSYS_Mul(b, b) - 4 * FXSYS_Mul(a, c); + if (b2_4ac < 0) { + continue; + } + FX_FLOAT root = FXSYS_sqrt(b2_4ac); + FX_FLOAT s1, s2; + if (a > 0) { + s1 = FXSYS_Div(-b - root, 2 * a); + s2 = FXSYS_Div(-b + root, 2 * a); + } else { + s2 = FXSYS_Div(-b - root, 2 * a); + s1 = FXSYS_Div(-b + root, 2 * a); + } + if (bDecreasing) { + if (s1 >= 0 || bStartExtend) { + s = s1; + } else { + s = s2; + } + } else { + if (s2 <= 1.0f || bEndExtend) { + s = s2; + } else { + s = s1; + } + } + if ((start_r + s * (end_r - start_r)) < 0) { + continue; + } + } + int index = (FX_INT32)(s * (SHADING_STEPS - 1)); + if (index < 0) { + if (!bStartExtend) { + continue; + } + index = 0; + } + if (index >= SHADING_STEPS) { + if (!bEndExtend) { + continue; + } + index = SHADING_STEPS - 1; + } + dib_buf[column] = rgb_array[index]; + } + } +} +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; + if (pDomain) { + xmin = pDomain->GetNumber(0); + xmax = pDomain->GetNumber(1); + ymin = pDomain->GetNumber(2); + ymax = pDomain->GetNumber(3); + } + CFX_AffineMatrix mtDomain2Target = pDict->GetMatrix(FX_BSTRC("Matrix")); + CFX_AffineMatrix matrix, reverse_matrix; + matrix.SetReverse(*pObject2Bitmap); + reverse_matrix.SetReverse(mtDomain2Target); + matrix.Concat(reverse_matrix); + int width = pBitmap->GetWidth(); + int height = pBitmap->GetHeight(); + int pitch = pBitmap->GetPitch(); + int Bpp = pBitmap->GetBPP() / 8; + int total_results = 0; + for (int j = 0; j < nFuncs; j ++) { + if (pFuncs[j]) { + total_results += pFuncs[j]->CountOutputs(); + } + } + if (pCS->CountComponents() > total_results) { + total_results = pCS->CountComponents(); + } + CFX_FixedBufGrow result_array(total_results); + FX_FLOAT* pResults = result_array; + FXSYS_memset32(pResults, 0, total_results * sizeof(FX_FLOAT)); + for (int row = 0; row < height; row ++) { + FX_DWORD* dib_buf = (FX_DWORD*)(pBitmap->GetBuffer() + row * pitch); + for (int column = 0; column < width; column ++) { + FX_FLOAT x = (FX_FLOAT)column, y = (FX_FLOAT)row; + matrix.Transform(x, y); + if (x < xmin || x > xmax || y < ymin || y > ymax) { + continue; + } + FX_FLOAT input[2]; + int offset = 0; + input[0] = x; + input[1] = y; + for (int j = 0; j < nFuncs; j ++) { + if (pFuncs[j]) { + int nresults; + if (pFuncs[j]->Call(input, 2, pResults + offset, nresults)) { + offset += nresults; + } + } + } + FX_FLOAT R, G, B; + pCS->GetRGB(pResults, R, G, B); + dib_buf[column] = FXARGB_TODIB(FXARGB_MAKE(alpha, (FX_INT32)(R * 255), (FX_INT32)(G * 255), (FX_INT32)(B * 255))); + } + } +} +FX_BOOL _GetScanlineIntersect(int y, FX_FLOAT x1, FX_FLOAT y1, FX_FLOAT x2, FX_FLOAT y2, FX_FLOAT& x) +{ + if (y1 == y2) { + return FALSE; + } + if (y1 < y2) { + if (y < y1 || y > y2) { + return FALSE; + } + } else { + if (y < y2 || y > y1) { + return FALSE; + } + } + x = x1 + FXSYS_MulDiv(x2 - x1, y - y1, y2 - y1); + return TRUE; +} +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) { + min_y = triangle[i].y; + } + if (max_y < triangle[i].y) { + max_y = triangle[i].y; + } + } + if (min_y == max_y) { + return; + } + int min_yi = (int)FXSYS_floor(min_y), max_yi = (int)FXSYS_ceil(max_y); + if (min_yi < 0) { + min_yi = 0; + } + if (max_yi >= pBitmap->GetHeight()) { + max_yi = pBitmap->GetHeight() - 1; + } + for (int y = min_yi; y <= max_yi; y ++) { + int nIntersects = 0; + FX_FLOAT inter_x[3], r[3], g[3], b[3]; + for (int i = 0; i < 3; i ++) { + CPDF_MeshVertex& vertex1 = triangle[i]; + CPDF_MeshVertex& vertex2 = triangle[(i + 1) % 3]; + FX_BOOL bIntersect = _GetScanlineIntersect(y, vertex1.x, vertex1.y, + vertex2.x, vertex2.y, inter_x[nIntersects]); + if (!bIntersect) { + continue; + } + r[nIntersects] = vertex1.r + FXSYS_MulDiv(vertex2.r - vertex1.r, y - vertex1.y, vertex2.y - vertex1.y); + g[nIntersects] = vertex1.g + FXSYS_MulDiv(vertex2.g - vertex1.g, y - vertex1.y, vertex2.y - vertex1.y); + b[nIntersects] = vertex1.b + FXSYS_MulDiv(vertex2.b - vertex1.b, y - vertex1.y, vertex2.y - vertex1.y); + nIntersects ++; + } + if (nIntersects != 2) { + continue; + } + int min_x, max_x, start_index, end_index; + if (inter_x[0] < inter_x[1]) { + min_x = (int)FXSYS_floor(inter_x[0]); + max_x = (int)FXSYS_ceil(inter_x[1]); + start_index = 0; + end_index = 1; + } else { + min_x = (int)FXSYS_floor(inter_x[1]); + max_x = (int)FXSYS_ceil(inter_x[0]); + start_index = 1; + end_index = 0; + } + int start_x = min_x, end_x = max_x; + if (start_x < 0) { + start_x = 0; + } + if (end_x > pBitmap->GetWidth()) { + end_x = pBitmap->GetWidth(); + } + FX_LPBYTE dib_buf = pBitmap->GetBuffer() + y * pBitmap->GetPitch() + start_x * 4; + FX_FLOAT r_unit = (r[end_index] - r[start_index]) / (max_x - min_x); + FX_FLOAT g_unit = (g[end_index] - g[start_index]) / (max_x - min_x); + FX_FLOAT b_unit = (b[end_index] - b[start_index]) / (max_x - min_x); + FX_FLOAT R = r[start_index] + (start_x - min_x) * r_unit; + FX_FLOAT G = g[start_index] + (start_x - min_x) * g_unit; + FX_FLOAT B = b[start_index] + (start_x - min_x) * b_unit; + for (int x = start_x; x < end_x; x ++) { + R += r_unit; + G += g_unit; + B += b_unit; + FXARGB_SETDIB(dib_buf, FXARGB_MAKE(alpha, (FX_INT32)(R * 255), (FX_INT32)(G * 255), (FX_INT32)(B * 255))); + dib_buf += 4; + } + } +} +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)) { + return; + } + CPDF_MeshVertex triangle[3]; + while (!stream.m_BitStream.IsEOF()) { + CPDF_MeshVertex vertex; + FX_DWORD flag = stream.GetVertex(vertex, pObject2Bitmap); + if (flag == 0) { + triangle[0] = vertex; + for (int j = 1; j < 3; j ++) { + stream.GetVertex(triangle[j], pObject2Bitmap); + } + } else { + if (flag == 1) { + triangle[0] = triangle[1]; + } + triangle[1] = triangle[2]; + triangle[2] = vertex; + } + _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) +{ + ASSERT(pBitmap->GetFormat() == FXDIB_Argb); + if (pShadingStream->GetType() != PDFOBJ_STREAM) { + return; + } + int row_verts = pShadingStream->GetDict()->GetInteger("VerticesPerRow"); + if (row_verts < 2) { + return; + } + CPDF_MeshStream stream; + if (!stream.Load(pShadingStream, pFuncs, nFuncs, pCS)) { + return; + } + CPDF_MeshVertex* vertex = FX_Alloc(CPDF_MeshVertex, row_verts * 2); + if (!stream.GetVertexRow(vertex, row_verts, pObject2Bitmap)) { + FX_Free(vertex); + return; + } + int last_index = 0; + while (1) { + CPDF_MeshVertex* last_row = vertex + last_index * row_verts; + CPDF_MeshVertex* this_row = vertex + (1 - last_index) * row_verts; + if (!stream.GetVertexRow(this_row, row_verts, pObject2Bitmap)) { + FX_Free(vertex); + return; + } + CPDF_MeshVertex triangle[3]; + for (int i = 1; i < row_verts; i ++) { + triangle[0] = last_row[i]; + triangle[1] = this_row[i - 1]; + triangle[2] = last_row[i - 1]; + _DrawGouraud(pBitmap, alpha, triangle); + triangle[2] = this_row[i]; + _DrawGouraud(pBitmap, alpha, triangle); + } + last_index = 1 - last_index; + } + FX_Free(vertex); +} +struct Coon_BezierCoeff { + float a, b, c, d; + void FromPoints(float p0, float p1, float p2, float p3) + { + a = -p0 + 3 * p1 - 3 * p2 + p3; + b = 3 * p0 - 6 * p1 + 3 * p2; + c = -3 * p0 + 3 * p1; + d = p0; + } + Coon_BezierCoeff first_half() + { + Coon_BezierCoeff result; + result.a = a / 8; + result.b = b / 4; + result.c = c / 2; + result.d = d; + return result; + } + Coon_BezierCoeff second_half() + { + Coon_BezierCoeff result; + result.a = a / 8; + result.b = 3 * a / 8 + b / 4; + result.c = 3 * a / 8 + b / 2 + c / 2; + result.d = a / 8 + b / 4 + c / 2 + d; + return result; + } + void GetPoints(float p[4]) + { + p[0] = d; + p[1] = c / 3 + p[0]; + p[2] = b / 3 - p[0] + 2 * p[1]; + p[3] = a + p[0] - 3 * p[1] + 3 * p[2]; + } + void GetPointsReverse(float p[4]) + { + p[3] = d; + p[2] = c / 3 + p[3]; + p[1] = b / 3 - p[3] + 2 * p[2]; + p[0] = a + p[3] - 3 * p[2] + 3 * p[1]; + } + void BezierInterpol(Coon_BezierCoeff& C1, Coon_BezierCoeff& C2, Coon_BezierCoeff& D1, Coon_BezierCoeff& D2) + { + a = (D1.a + D2.a) / 2; + b = (D1.b + D2.b) / 2; + c = (D1.c + D2.c) / 2 - (C1.a / 8 + C1.b / 4 + C1.c / 2) + (C2.a / 8 + C2.b / 4) + (-C1.d + D2.d) / 2 - (C2.a + C2.b) / 2; + d = C1.a / 8 + C1.b / 4 + C1.c / 2 + C1.d; + } + float Distance() + { + float dis = a + b + c; + return dis < 0 ? -dis : dis; + } +}; +struct Coon_Bezier { + Coon_BezierCoeff x, y; + void FromPoints(float x0, float y0, float x1, float y1, float x2, float y2, float x3, float y3) + { + x.FromPoints(x0, x1, x2, x3); + y.FromPoints(y0, y1, y2, y3); + } + Coon_Bezier first_half() + { + Coon_Bezier result; + result.x = x.first_half(); + result.y = y.first_half(); + return result; + } + Coon_Bezier second_half() + { + Coon_Bezier result; + result.x = x.second_half(); + result.y = y.second_half(); + return result; + } + void BezierInterpol(Coon_Bezier& C1, Coon_Bezier& C2, Coon_Bezier& D1, Coon_Bezier& D2) + { + x.BezierInterpol(C1.x, C2.x, D1.x, D2.x); + y.BezierInterpol(C1.y, C2.y, D1.y, D2.y); + } + void GetPoints(FX_PATHPOINT* pPoints) + { + float p[4]; + int i; + x.GetPoints(p); + for (i = 0; i < 4; i ++) { + pPoints[i].m_PointX = p[i]; + } + y.GetPoints(p); + for (i = 0; i < 4; i ++) { + pPoints[i].m_PointY = p[i]; + } + } + void GetPointsReverse(FX_PATHPOINT* pPoints) + { + float p[4]; + int i; + x.GetPointsReverse(p); + for (i = 0; i < 4; i ++) { + pPoints[i].m_PointX = p[i]; + } + y.GetPointsReverse(p); + for (i = 0; i < 4; i ++) { + pPoints[i].m_PointY = p[i]; + } + } + float Distance() + { + return x.Distance() + y.Distance(); + } +}; +static int _BiInterpol(int c0, int c1, int c2, int c3, int x, int y, int x_scale, int y_scale) +{ + int x1 = c0 + (c3 - c0) * x / x_scale; + int x2 = c1 + (c2 - c1) * x / x_scale; + return x1 + (x2 - x1) * y / y_scale; +} +struct Coon_Color { + Coon_Color() + { + FXSYS_memset32(comp, 0, sizeof(int) * 3); + } + int comp[3]; + void BiInterpol(Coon_Color colors[4], int x, int y, int x_scale, int y_scale) + { + for (int i = 0; i < 3; i ++) + comp[i] = _BiInterpol(colors[0].comp[i], colors[1].comp[i], colors[2].comp[i], colors[3].comp[i], + x, y, x_scale, y_scale); + } + int Distance(Coon_Color& o) + { + int max, diff; + max = FXSYS_abs(comp[0] - o.comp[0]); + diff = FXSYS_abs(comp[1] - o.comp[1]); + if (max < diff) { + max = diff; + } + diff = FXSYS_abs(comp[2] - o.comp[2]); + if (max < diff) { + max = diff; + } + return max; + } +}; +struct CPDF_PatchDrawer { + Coon_Color patch_colors[4]; + int max_delta; + CFX_PathData path; + CFX_RenderDevice* pDevice; + int fill_mode; + int alpha; + void Draw(int x_scale, int y_scale, int left, int bottom, Coon_Bezier C1, Coon_Bezier C2, Coon_Bezier D1, Coon_Bezier D2) + { + FX_BOOL bSmall = C1.Distance() < 2 && C2.Distance() < 2 && D1.Distance() < 2 && D2.Distance() < 2; + Coon_Color div_colors[4]; + int d_bottom, d_left, d_top, d_right; + div_colors[0].BiInterpol(patch_colors, left, bottom, x_scale, y_scale); + if (!bSmall) { + div_colors[1].BiInterpol(patch_colors, left, bottom + 1, x_scale, y_scale); + div_colors[2].BiInterpol(patch_colors, left + 1, bottom + 1, x_scale, y_scale); + div_colors[3].BiInterpol(patch_colors, left + 1, bottom, x_scale, y_scale); + d_bottom = div_colors[3].Distance(div_colors[0]); + d_left = div_colors[1].Distance(div_colors[0]); + d_top = div_colors[1].Distance(div_colors[2]); + d_right = div_colors[2].Distance(div_colors[3]); + } +#define COONCOLOR_THRESHOLD 4 + if (bSmall || (d_bottom < COONCOLOR_THRESHOLD && d_left < COONCOLOR_THRESHOLD && + d_top < COONCOLOR_THRESHOLD && d_right < COONCOLOR_THRESHOLD)) { + FX_PATHPOINT* pPoints = path.GetPoints(); + C1.GetPoints(pPoints); + D2.GetPoints(pPoints + 3); + C2.GetPointsReverse(pPoints + 6); + D1.GetPointsReverse(pPoints + 9); + int fillFlags = FXFILL_WINDING | FXFILL_FULLCOVER; + if (fill_mode & RENDER_NOPATHSMOOTH) { + fillFlags |= FXFILL_NOPATHSMOOTH; + } + pDevice->DrawPath(&path, NULL, NULL, FXARGB_MAKE(alpha, div_colors[0].comp[0], div_colors[0].comp[1], div_colors[0].comp[2]), 0, fillFlags); + } else { + if (d_bottom < COONCOLOR_THRESHOLD && d_top < COONCOLOR_THRESHOLD) { + Coon_Bezier m1; + m1.BezierInterpol(D1, D2, C1, C2); + y_scale *= 2; + bottom *= 2; + Draw(x_scale, y_scale, left, bottom, C1, m1, D1.first_half(), D2.first_half()); + Draw(x_scale, y_scale, left, bottom + 1, m1, C2, D1.second_half(), D2.second_half()); + } else if (d_left < COONCOLOR_THRESHOLD && d_right < COONCOLOR_THRESHOLD) { + Coon_Bezier m2; + m2.BezierInterpol(C1, C2, D1, D2); + x_scale *= 2; + left *= 2; + Draw(x_scale, y_scale, left, bottom, C1.first_half(), C2.first_half(), D1, m2); + Draw(x_scale, y_scale, left + 1, bottom, C1.second_half(), C2.second_half(), m2, D2); + } else { + Coon_Bezier m1, m2; + m1.BezierInterpol(D1, D2, C1, C2); + m2.BezierInterpol(C1, C2, D1, D2); + Coon_Bezier m1f = m1.first_half(); + Coon_Bezier m1s = m1.second_half(); + Coon_Bezier m2f = m2.first_half(); + Coon_Bezier m2s = m2.second_half(); + x_scale *= 2; + y_scale *= 2; + left *= 2; + bottom *= 2; + Draw(x_scale, y_scale, left, bottom, C1.first_half(), m1f, D1.first_half(), m2f); + Draw(x_scale, y_scale, left, bottom + 1, m1f, C2.first_half(), D1.second_half(), m2s); + Draw(x_scale, y_scale, left + 1, bottom, C1.second_half(), m1s, m2f, D2.first_half()); + Draw(x_scale, y_scale, left + 1, bottom + 1, m1s, C2.second_half(), m2s, D2.second_half()); + } + } + } +}; +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)) { + return; + } + CPDF_PatchDrawer patch; + patch.alpha = alpha; + patch.pDevice = &device; + patch.fill_mode = fill_mode; + patch.path.SetPointCount(13); + FX_PATHPOINT* pPoints = patch.path.GetPoints(); + pPoints[0].m_Flag = FXPT_MOVETO; + for (int i = 1; i < 13; i ++) { + pPoints[i].m_Flag = FXPT_BEZIERTO; + } + CFX_FloatPoint coords[16]; + int point_count = bTensor ? 16 : 12; + while (!stream.m_BitStream.IsEOF()) { + FX_DWORD flag = stream.GetFlag(); + int iStartPoint = 0, iStartColor = 0, i; + if (flag) { + iStartPoint = 4; + iStartColor = 2; + CFX_FloatPoint tempCoords[4]; + for (int i = 0; i < 4; i ++) { + tempCoords[i] = coords[(flag * 3 + i) % 12]; + } + FXSYS_memcpy32(coords, tempCoords, sizeof(CFX_FloatPoint) * 4); + Coon_Color tempColors[2]; + tempColors[0] = patch.patch_colors[flag]; + tempColors[1] = patch.patch_colors[(flag + 1) % 4]; + FXSYS_memcpy32(patch.patch_colors, tempColors, sizeof(Coon_Color) * 2); + } + for (i = iStartPoint; i < point_count; i ++) { + stream.GetCoords(coords[i].x, coords[i].y); + pObject2Bitmap->Transform(coords[i].x, coords[i].y); + } + for (i = iStartColor; i < 4; i ++) { + FX_FLOAT r, g, b; + stream.GetColor(r, g, b); + patch.patch_colors[i].comp[0] = (FX_INT32)(r * 255); + patch.patch_colors[i].comp[1] = (FX_INT32)(g * 255); + patch.patch_colors[i].comp[2] = (FX_INT32)(b * 255); + } + CFX_FloatRect bbox = CFX_FloatRect::GetBBox(coords, point_count); + if (bbox.right <= 0 || bbox.left >= (FX_FLOAT)pBitmap->GetWidth() || bbox.top <= 0 || + bbox.bottom >= (FX_FLOAT)pBitmap->GetHeight()) { + continue; + } + Coon_Bezier C1, C2, D1, D2; + C1.FromPoints(coords[0].x, coords[0].y, coords[11].x, coords[11].y, coords[10].x, coords[10].y, + coords[9].x, coords[9].y); + C2.FromPoints(coords[3].x, coords[3].y, coords[4].x, coords[4].y, coords[5].x, coords[5].y, + coords[6].x, coords[6].y); + D1.FromPoints(coords[0].x, coords[0].y, coords[1].x, coords[1].y, coords[2].x, coords[2].y, + coords[3].x, coords[3].y); + D2.FromPoints(coords[9].x, coords[9].y, coords[8].x, coords[8].y, coords[7].x, coords[7].y, + coords[6].x, coords[6].y); + patch.Draw(1, 1, 0, 0, C1, C2, D1, D2); + } +} +void CPDF_RenderStatus::DrawShading(CPDF_ShadingPattern* pPattern, CFX_AffineMatrix* pMatrix, + FX_RECT& clip_rect, int alpha, FX_BOOL bAlphaMode) +{ + int width = clip_rect.Width(); + int height = clip_rect.Height(); + CPDF_Function** pFuncs = pPattern->m_pFunctions; + int nFuncs = pPattern->m_nFuncs; + CPDF_Dictionary* pDict = pPattern->m_pShadingObj->GetDict(); + CPDF_ColorSpace* pColorSpace = pPattern->m_pCS; + if (pColorSpace == NULL) { + return; + } + FX_ARGB background = 0; + if (!pPattern->m_bShadingObj && pPattern->m_pShadingObj->GetDict()->KeyExist(FX_BSTRC("Background"))) { + CPDF_Array* pBackColor = pPattern->m_pShadingObj->GetDict()->GetArray(FX_BSTRC("Background")); + if (pBackColor && pBackColor->GetCount() >= (FX_DWORD)pColorSpace->CountComponents()) { + CFX_FixedBufGrow comps(pColorSpace->CountComponents()); + for (int i = 0; i < pColorSpace->CountComponents(); i ++) { + comps[i] = pBackColor->GetNumber(i); + } + FX_FLOAT R, G, B; + pColorSpace->GetRGB(comps, R, G, B); + background = ArgbEncode(255, (FX_INT32)(R * 255), (FX_INT32)(G * 255), (FX_INT32)(B * 255)); + } + } + if (pDict->KeyExist(FX_BSTRC("BBox"))) { + CFX_FloatRect rect = pDict->GetRect(FX_BSTRC("BBox")); + rect.Transform(pMatrix); + clip_rect.Intersect(rect.GetOutterRect()); + } + CPDF_DeviceBuffer buffer; + buffer.Initialize(m_pContext, m_pDevice, &clip_rect, m_pCurObj, 150); + CFX_AffineMatrix FinalMatrix = *pMatrix; + FinalMatrix.Concat(*buffer.GetMatrix()); + CFX_DIBitmap* pBitmap = buffer.GetBitmap(); + if (pBitmap->GetBuffer() == NULL) { + return; + } + pBitmap->Clear(background); + int fill_mode = m_Options.m_Flags; + switch (pPattern->m_ShadingType) { + case 1: + _DrawFuncShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs, pColorSpace, alpha); + break; + case 2: + _DrawAxialShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs, pColorSpace, alpha); + break; + case 3: + _DrawRadialShading(pBitmap, &FinalMatrix, pDict, pFuncs, nFuncs, pColorSpace, alpha); + break; + case 4: { + _DrawFreeGouraudShading(pBitmap, &FinalMatrix, (CPDF_Stream*)pPattern->m_pShadingObj, + pFuncs, nFuncs, pColorSpace, alpha); + } + break; + case 5: { + _DrawLatticeGouraudShading(pBitmap, &FinalMatrix, (CPDF_Stream*)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); + } + break; + } + if (bAlphaMode) { + pBitmap->LoadChannel(FXDIB_Red, pBitmap, FXDIB_Alpha); + } + if (m_Options.m_ColorMode == RENDER_COLOR_GRAY) { + pBitmap->ConvertColorScale(m_Options.m_ForeColor, m_Options.m_BackColor); + } + buffer.OutputToDevice(); +} +void CPDF_RenderStatus::DrawShadingPattern(CPDF_ShadingPattern* pattern, CPDF_PageObject* pPageObj, const CFX_AffineMatrix* pObj2Device, FX_BOOL bStroke) +{ + if (!pattern->Load()) { + return; + } + m_pDevice->SaveState(); + if (pPageObj->m_Type == PDFPAGE_PATH) { + if (!SelectClipPath((CPDF_PathObject*)pPageObj, pObj2Device, bStroke)) { + m_pDevice->RestoreState(); + return; + } + } else if (pPageObj->m_Type == PDFPAGE_IMAGE) { + FX_RECT rect = pPageObj->GetBBox(pObj2Device); + m_pDevice->SetClip_Rect(&rect); + } else { + return; + } + FX_RECT rect; + if (GetObjectClippedRect(pPageObj, pObj2Device, FALSE, rect)) { + m_pDevice->RestoreState(); + return; + } + CFX_AffineMatrix matrix = pattern->m_Pattern2Form; + matrix.Concat(*pObj2Device); + GetScaledMatrix(matrix); + int alpha = pPageObj->m_GeneralState.GetAlpha(bStroke); + DrawShading(pattern, &matrix, rect, alpha, m_Options.m_ColorMode == RENDER_COLOR_ALPHA); + m_pDevice->RestoreState(); +} +FX_BOOL CPDF_RenderStatus::ProcessShading(CPDF_ShadingObject* pShadingObj, const CFX_AffineMatrix* pObj2Device) +{ + FX_RECT rect = pShadingObj->GetBBox(pObj2Device); + FX_RECT clip_box = m_pDevice->GetClipBox(); + rect.Intersect(clip_box); + if (rect.IsEmpty()) { + return TRUE; + } + CFX_AffineMatrix matrix = pShadingObj->m_Matrix; + matrix.Concat(*pObj2Device); + DrawShading(pShadingObj->m_pShading, &matrix, rect, pShadingObj->m_GeneralState.GetAlpha(FALSE), + m_Options.m_ColorMode == RENDER_COLOR_ALPHA); +#ifdef _FPDFAPI_MINI_ + if (m_DitherBits) { + DitherObjectArea(pShadingObj, pObj2Device); + } +#endif + return TRUE; +} +static CFX_DIBitmap* DrawPatternBitmap(CPDF_Document* pDoc, CPDF_PageRenderCache* pCache, + CPDF_TilingPattern* pPattern, const CFX_AffineMatrix* pObject2Device, + int width, int height, int flags) +{ + CFX_DIBitmap* pBitmap = FX_NEW CFX_DIBitmap; + if (!pBitmap->Create(width, height, pPattern->m_bColored ? FXDIB_Argb : FXDIB_8bppMask)) { + delete pBitmap; + return NULL; + } + CFX_FxgeDevice bitmap_device; + bitmap_device.Attach(pBitmap); + pBitmap->Clear(0); + CFX_FloatRect cell_bbox = pPattern->m_BBox; + pPattern->m_Pattern2Form.TransformRect(cell_bbox); + pObject2Device->TransformRect(cell_bbox); + CFX_FloatRect bitmap_rect(0.0f, 0.0f, (FX_FLOAT)width, (FX_FLOAT)height); + CFX_AffineMatrix mtAdjust; + mtAdjust.MatchRect(bitmap_rect, cell_bbox); + CFX_AffineMatrix mtPattern2Bitmap = *pObject2Device; + mtPattern2Bitmap.Concat(mtAdjust); + CPDF_RenderOptions options; + if (!pPattern->m_bColored) { + options.m_ColorMode = RENDER_COLOR_ALPHA; + } + flags |= RENDER_FORCE_HALFTONE; + options.m_Flags = flags; + CPDF_RenderContext context; + context.Create(pDoc, pCache, NULL); + context.DrawObjectList(&bitmap_device, pPattern->m_pForm, &mtPattern2Bitmap, &options); + return pBitmap; +} +void CPDF_RenderStatus::DrawTilingPattern(CPDF_TilingPattern* pPattern, CPDF_PageObject* pPageObj, const CFX_AffineMatrix* pObj2Device, FX_BOOL bStroke) +{ + if (!pPattern->Load()) { + return; + } + m_pDevice->SaveState(); + if (pPageObj->m_Type == PDFPAGE_PATH) { + if (!SelectClipPath((CPDF_PathObject*)pPageObj, pObj2Device, bStroke)) { + m_pDevice->RestoreState(); + return; + } + } else if (pPageObj->m_Type == PDFPAGE_IMAGE) { + FX_RECT rect = pPageObj->GetBBox(pObj2Device); + m_pDevice->SetClip_Rect(&rect); + } else { + return; + } + FX_RECT clip_box = m_pDevice->GetClipBox(); + if (clip_box.IsEmpty()) { + m_pDevice->RestoreState(); + return; + } + CFX_Matrix dCTM = m_pDevice->GetCTM(); + FX_FLOAT sa = FXSYS_fabs(dCTM.a); + FX_FLOAT sd = FXSYS_fabs(dCTM.d); + clip_box.right = clip_box.left + (FX_INT32)FXSYS_ceil(clip_box.Width() * sa); + clip_box.bottom = clip_box.top + (FX_INT32)FXSYS_ceil(clip_box.Height() * sd); + CFX_AffineMatrix mtPattern2Device = pPattern->m_Pattern2Form; + mtPattern2Device.Concat(*pObj2Device); + GetScaledMatrix(mtPattern2Device); + FX_BOOL bAligned = FALSE; + if (pPattern->m_BBox.left == 0 && pPattern->m_BBox.bottom == 0 && + pPattern->m_BBox.right == pPattern->m_XStep && pPattern->m_BBox.top == pPattern->m_YStep && + (mtPattern2Device.IsScaled() || mtPattern2Device.Is90Rotated())) { + bAligned = TRUE; + } + CFX_FloatRect cell_bbox = pPattern->m_BBox; + mtPattern2Device.TransformRect(cell_bbox); + int width = (int)FXSYS_ceil(cell_bbox.Width()); + int height = (int)FXSYS_ceil(cell_bbox.Height()); + if (width == 0) { + width = 1; + } + if (height == 0) { + height = 1; + } + int min_col, max_col, min_row, max_row; + CFX_AffineMatrix mtDevice2Pattern; + mtDevice2Pattern.SetReverse(mtPattern2Device); + CFX_FloatRect clip_box_p(clip_box); + clip_box_p.Transform(&mtDevice2Pattern); + min_col = (int)FXSYS_ceil(FXSYS_Div(clip_box_p.left - pPattern->m_BBox.right, pPattern->m_XStep)); + max_col = (int)FXSYS_floor(FXSYS_Div(clip_box_p.right - pPattern->m_BBox.left, pPattern->m_XStep)); + min_row = (int)FXSYS_ceil(FXSYS_Div(clip_box_p.bottom - pPattern->m_BBox.top, pPattern->m_YStep)); + max_row = (int)FXSYS_floor(FXSYS_Div(clip_box_p.top - pPattern->m_BBox.bottom, pPattern->m_YStep)); + if (width > clip_box.Width() || height > clip_box.Height() || width * height > clip_box.Width() * clip_box.Height()) { + CPDF_GraphicStates* pStates = NULL; + if (!pPattern->m_bColored) { + pStates = CloneObjStates(pPageObj, bStroke); + } + CPDF_Dictionary* pFormResource = NULL; + if (pPattern->m_pForm->m_pFormDict) { + pFormResource = pPattern->m_pForm->m_pFormDict->GetDict(FX_BSTRC("Resources")); + } + for (int col = min_col; col <= max_col; col ++) + for (int row = min_row; row <= max_row; row ++) { + FX_FLOAT orig_x, orig_y; + orig_x = col * pPattern->m_XStep; + orig_y = row * pPattern->m_YStep; + mtPattern2Device.Transform(orig_x, orig_y); + CFX_AffineMatrix matrix = *pObj2Device; + matrix.Translate(orig_x - mtPattern2Device.e, orig_y - mtPattern2Device.f); + m_pDevice->SaveState(); + CPDF_RenderStatus status; + status.Initialize(m_Level + 1, m_pContext, m_pDevice, NULL, NULL, this, pStates, &m_Options, + pPattern->m_pForm->m_Transparency, m_bDropObjects, pFormResource); + status.RenderObjectList(pPattern->m_pForm, &matrix); + m_pDevice->RestoreState(); + } + m_pDevice->RestoreState(); + if (pStates) { + delete pStates; + } + return; + } + if (bAligned) { + int orig_x = FXSYS_round(mtPattern2Device.e); + int orig_y = FXSYS_round(mtPattern2Device.f); + min_col = (clip_box.left - orig_x) / width; + if (clip_box.left < orig_x) { + min_col --; + } + max_col = (clip_box.right - orig_x) / width; + if (clip_box.right <= orig_x) { + max_col --; + } + min_row = (clip_box.top - orig_y) / height; + if (clip_box.top < orig_y) { + min_row --; + } + max_row = (clip_box.bottom - orig_y) / height; + if (clip_box.bottom <= orig_y) { + max_row --; + } + } + FX_FLOAT left_offset = cell_bbox.left - mtPattern2Device.e; + FX_FLOAT top_offset = cell_bbox.bottom - mtPattern2Device.f; + CFX_DIBitmap* pPatternBitmap = NULL; + if (width * height < 16) { + CFX_DIBitmap* pEnlargedBitmap = DrawPatternBitmap(m_pContext->m_pDocument, m_pContext->m_pPageCache, pPattern, pObj2Device, 8, 8, m_Options.m_Flags); + pPatternBitmap = pEnlargedBitmap->StretchTo(width, height); + delete pEnlargedBitmap; + } else { + pPatternBitmap = DrawPatternBitmap(m_pContext->m_pDocument, m_pContext->m_pPageCache, pPattern, pObj2Device, width, height, m_Options.m_Flags); + } + if (pPatternBitmap == NULL) { + m_pDevice->RestoreState(); + return; + } + if (m_Options.m_ColorMode == RENDER_COLOR_GRAY) { + pPatternBitmap->ConvertColorScale(m_Options.m_ForeColor, m_Options.m_BackColor); + } + FX_ARGB fill_argb = GetFillArgb(pPageObj); + int clip_width = clip_box.right - clip_box.left; + int clip_height = clip_box.bottom - clip_box.top; + CFX_DIBitmap screen; + if (!screen.Create(clip_width, clip_height, FXDIB_Argb)) { + return; + } + screen.Clear(0); + FX_DWORD* src_buf = (FX_DWORD*)pPatternBitmap->GetBuffer(); + for (int col = min_col; col <= max_col; col ++) { + for (int row = min_row; row <= max_row; row ++) { + int start_x, start_y; + if (bAligned) { + start_x = FXSYS_round(mtPattern2Device.e) + col * width - clip_box.left; + start_y = FXSYS_round(mtPattern2Device.f) + row * height - clip_box.top; + } else { + FX_FLOAT orig_x = col * pPattern->m_XStep; + FX_FLOAT orig_y = row * pPattern->m_YStep; + mtPattern2Device.Transform(orig_x, orig_y); + start_x = FXSYS_round(orig_x + left_offset) - clip_box.left; + start_y = FXSYS_round(orig_y + top_offset) - clip_box.top; + } + if (width == 1 && height == 1) { + if (start_x < 0 || start_x >= clip_box.Width() || start_y < 0 || start_y >= clip_box.Height()) { + continue; + } + FX_DWORD* dest_buf = (FX_DWORD*)(screen.GetBuffer() + screen.GetPitch() * start_y + start_x * 4); + if (pPattern->m_bColored) { + *dest_buf = *src_buf; + } else { + *dest_buf = (*(FX_LPBYTE)src_buf << 24) | (fill_argb & 0xffffff); + } + } else { + if (pPattern->m_bColored) { + screen.CompositeBitmap(start_x, start_y, width, height, pPatternBitmap, 0, 0); + } else { + screen.CompositeMask(start_x, start_y, width, height, pPatternBitmap, fill_argb, 0, 0); + } + } + } + } + CompositeDIBitmap(&screen, clip_box.left, clip_box.top, 0, 255, FXDIB_BLEND_NORMAL, FALSE); + m_pDevice->RestoreState(); + delete pPatternBitmap; +} +void CPDF_RenderStatus::DrawPathWithPattern(CPDF_PathObject* pPathObj, const CFX_AffineMatrix* pObj2Device, CPDF_Color* pColor, FX_BOOL bStroke) +{ + CPDF_Pattern* pattern = pColor->GetPattern(); + if (pattern == NULL) { + return; + } + if(pattern->m_PatternType == PATTERN_TILING) { + DrawTilingPattern((CPDF_TilingPattern*)pattern, pPathObj, pObj2Device, bStroke); + } else { + DrawShadingPattern((CPDF_ShadingPattern*)pattern, pPathObj, pObj2Device, bStroke); + } +} +void CPDF_RenderStatus::ProcessPathPattern(CPDF_PathObject* pPathObj, const CFX_AffineMatrix* pObj2Device, int& filltype, FX_BOOL& bStroke) +{ + FX_BOOL bPattern = FALSE; + if(filltype) { + CPDF_Color& FillColor = *pPathObj->m_ColorState.GetFillColor(); + if(FillColor.m_pCS && FillColor.m_pCS->GetFamily() == PDFCS_PATTERN) { + DrawPathWithPattern(pPathObj, pObj2Device, &FillColor, FALSE); + filltype = 0; + bPattern = TRUE; + } + } + if(bStroke) { + CPDF_Color& StrokeColor = *pPathObj->m_ColorState.GetStrokeColor(); + if(StrokeColor.m_pCS && StrokeColor.m_pCS->GetFamily() == PDFCS_PATTERN) { + DrawPathWithPattern(pPathObj, pObj2Device, &StrokeColor, TRUE); + bStroke = FALSE; + bPattern = TRUE; + } + } +#ifdef _FPDFAPI_MINI_ + if (bPattern && m_DitherBits) { + DitherObjectArea(pPathObj, pObj2Device); + } +#endif +} -- cgit v1.2.3