| // 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 "core/fxge/win32/cfx_psrenderer.h" | |
| #include <memory> | |
| #include <sstream> | |
| #include "core/fpdfapi/cpdf_modulemgr.h" | |
| #include "core/fxcodec/codec/ccodec_basicmodule.h" | |
| #include "core/fxcodec/codec/ccodec_faxmodule.h" | |
| #include "core/fxcodec/codec/ccodec_flatemodule.h" | |
| #include "core/fxcodec/codec/ccodec_jpegmodule.h" | |
| #include "core/fxcodec/fx_codec.h" | |
| #include "core/fxcrt/maybe_owned.h" | |
| #include "core/fxge/cfx_facecache.h" | |
| #include "core/fxge/cfx_fontcache.h" | |
| #include "core/fxge/cfx_gemodule.h" | |
| #include "core/fxge/cfx_pathdata.h" | |
| #include "core/fxge/cfx_renderdevice.h" | |
| #include "core/fxge/dib/cfx_dibextractor.h" | |
| #include "core/fxge/win32/cpsoutput.h" | |
| #include "third_party/base/ptr_util.h" | |
| namespace { | |
| void FaxCompressData(uint8_t* src_buf, | |
| int width, | |
| int height, | |
| std::unique_ptr<uint8_t, FxFreeDeleter>* dest_buf, | |
| uint32_t* dest_size) { | |
| if (width * height > 128) { | |
| CCodec_FaxModule::FaxEncode(src_buf, width, height, (width + 7) / 8, | |
| dest_buf, dest_size); | |
| FX_Free(src_buf); | |
| } else { | |
| dest_buf->reset(src_buf); | |
| *dest_size = (width + 7) / 8 * height; | |
| } | |
| } | |
| void PSCompressData(int PSLevel, | |
| uint8_t* src_buf, | |
| uint32_t src_size, | |
| uint8_t** output_buf, | |
| uint32_t* output_size, | |
| const char** filter) { | |
| *output_buf = src_buf; | |
| *output_size = src_size; | |
| *filter = ""; | |
| if (src_size < 1024) | |
| return; | |
| CCodec_ModuleMgr* pEncoders = CPDF_ModuleMgr::Get()->GetCodecModule(); | |
| uint8_t* dest_buf = nullptr; | |
| uint32_t dest_size = src_size; | |
| if (PSLevel >= 3) { | |
| if (pEncoders->GetFlateModule()->Encode(src_buf, src_size, &dest_buf, | |
| &dest_size)) { | |
| *filter = "/FlateDecode filter "; | |
| } | |
| } else { | |
| if (pEncoders->GetBasicModule()->RunLengthEncode(src_buf, src_size, | |
| &dest_buf, &dest_size)) { | |
| *filter = "/RunLengthDecode filter "; | |
| } | |
| } | |
| if (dest_size < src_size) { | |
| *output_buf = dest_buf; | |
| *output_size = dest_size; | |
| } else { | |
| *filter = nullptr; | |
| FX_Free(dest_buf); | |
| } | |
| } | |
| } // namespace | |
| struct PSGlyph { | |
| UnownedPtr<CFX_Font> m_pFont; | |
| uint32_t m_GlyphIndex; | |
| bool m_bGlyphAdjust; | |
| float m_AdjustMatrix[4]; | |
| }; | |
| class CPSFont { | |
| public: | |
| PSGlyph m_Glyphs[256]; | |
| int m_nGlyphs; | |
| }; | |
| CFX_PSRenderer::CFX_PSRenderer() | |
| : m_pStream(nullptr), | |
| m_bGraphStateSet(false), | |
| m_bColorSet(false), | |
| m_bInited(false) {} | |
| CFX_PSRenderer::~CFX_PSRenderer() {} | |
| void CFX_PSRenderer::Init(const RetainPtr<IFX_WriteStream>& pStream, | |
| int pslevel, | |
| int width, | |
| int height, | |
| bool bCmykOutput) { | |
| m_PSLevel = pslevel; | |
| m_pStream = pStream; | |
| m_ClipBox.left = 0; | |
| m_ClipBox.top = 0; | |
| m_ClipBox.right = width; | |
| m_ClipBox.bottom = height; | |
| m_bCmykOutput = bCmykOutput; | |
| } | |
| bool CFX_PSRenderer::StartRendering() { | |
| if (m_bInited) | |
| return true; | |
| static const char init_str[] = | |
| "\nsave\n/im/initmatrix load def\n" | |
| "/n/newpath load def/m/moveto load def/l/lineto load def/c/curveto load " | |
| "def/h/closepath load def\n" | |
| "/f/fill load def/F/eofill load def/s/stroke load def/W/clip load " | |
| "def/W*/eoclip load def\n" | |
| "/rg/setrgbcolor load def/k/setcmykcolor load def\n" | |
| "/J/setlinecap load def/j/setlinejoin load def/w/setlinewidth load " | |
| "def/M/setmiterlimit load def/d/setdash load def\n" | |
| "/q/gsave load def/Q/grestore load def/iM/imagemask load def\n" | |
| "/Tj/show load def/Ff/findfont load def/Fs/scalefont load def/Sf/setfont " | |
| "load def\n" | |
| "/cm/concat load def/Cm/currentmatrix load def/mx/matrix load " | |
| "def/sm/setmatrix load def\n"; | |
| m_pStream->WriteString(init_str); | |
| m_bInited = true; | |
| return true; | |
| } | |
| void CFX_PSRenderer::EndRendering() { | |
| if (!m_bInited) | |
| return; | |
| m_pStream->WriteString("\nrestore\n"); | |
| m_bInited = false; | |
| } | |
| void CFX_PSRenderer::SaveState() { | |
| StartRendering(); | |
| m_pStream->WriteString("q\n"); | |
| m_ClipBoxStack.push_back(m_ClipBox); | |
| } | |
| void CFX_PSRenderer::RestoreState(bool bKeepSaved) { | |
| StartRendering(); | |
| m_pStream->WriteString("Q\n"); | |
| if (bKeepSaved) | |
| m_pStream->WriteString("q\n"); | |
| m_bColorSet = false; | |
| m_bGraphStateSet = false; | |
| if (m_ClipBoxStack.empty()) | |
| return; | |
| m_ClipBox = m_ClipBoxStack.back(); | |
| if (!bKeepSaved) | |
| m_ClipBoxStack.pop_back(); | |
| } | |
| void CFX_PSRenderer::OutputPath(const CFX_PathData* pPathData, | |
| const CFX_Matrix* pObject2Device) { | |
| std::ostringstream buf; | |
| size_t size = pPathData->GetPoints().size(); | |
| for (size_t i = 0; i < size; i++) { | |
| FXPT_TYPE type = pPathData->GetType(i); | |
| bool closing = pPathData->IsClosingFigure(i); | |
| CFX_PointF pos = pPathData->GetPoint(i); | |
| if (pObject2Device) | |
| pos = pObject2Device->Transform(pos); | |
| buf << pos.x << " " << pos.y; | |
| switch (type) { | |
| case FXPT_TYPE::MoveTo: | |
| buf << " m "; | |
| break; | |
| case FXPT_TYPE::LineTo: | |
| buf << " l "; | |
| if (closing) | |
| buf << "h "; | |
| break; | |
| case FXPT_TYPE::BezierTo: { | |
| CFX_PointF pos1 = pPathData->GetPoint(i + 1); | |
| CFX_PointF pos2 = pPathData->GetPoint(i + 2); | |
| if (pObject2Device) { | |
| pos1 = pObject2Device->Transform(pos1); | |
| pos2 = pObject2Device->Transform(pos2); | |
| } | |
| buf << " " << pos1.x << " " << pos1.y << " " << pos2.x << " " << pos2.y | |
| << " c"; | |
| if (closing) | |
| buf << " h"; | |
| buf << "\n"; | |
| i += 2; | |
| break; | |
| } | |
| } | |
| } | |
| m_pStream->WriteBlock(buf.str().c_str(), buf.tellp()); | |
| } | |
| void CFX_PSRenderer::SetClip_PathFill(const CFX_PathData* pPathData, | |
| const CFX_Matrix* pObject2Device, | |
| int fill_mode) { | |
| StartRendering(); | |
| OutputPath(pPathData, pObject2Device); | |
| CFX_FloatRect rect = pPathData->GetBoundingBox(); | |
| if (pObject2Device) | |
| rect = pObject2Device->TransformRect(rect); | |
| m_ClipBox.left = static_cast<int>(rect.left); | |
| m_ClipBox.right = static_cast<int>(rect.left + rect.right); | |
| m_ClipBox.top = static_cast<int>(rect.top + rect.bottom); | |
| m_ClipBox.bottom = static_cast<int>(rect.bottom); | |
| m_pStream->WriteString("W"); | |
| if ((fill_mode & 3) != FXFILL_WINDING) | |
| m_pStream->WriteString("*"); | |
| m_pStream->WriteString(" n\n"); | |
| } | |
| void CFX_PSRenderer::SetClip_PathStroke(const CFX_PathData* pPathData, | |
| const CFX_Matrix* pObject2Device, | |
| const CFX_GraphStateData* pGraphState) { | |
| StartRendering(); | |
| SetGraphState(pGraphState); | |
| if (pObject2Device) { | |
| std::ostringstream buf; | |
| buf << "mx Cm [" << pObject2Device->a << " " << pObject2Device->b << " " | |
| << pObject2Device->c << " " << pObject2Device->d << " " | |
| << pObject2Device->e << " " << pObject2Device->f << "]cm "; | |
| m_pStream->WriteBlock(buf.str().c_str(), buf.tellp()); | |
| } | |
| OutputPath(pPathData, nullptr); | |
| CFX_FloatRect rect = pPathData->GetBoundingBox(pGraphState->m_LineWidth, | |
| pGraphState->m_MiterLimit); | |
| m_ClipBox.Intersect(pObject2Device->TransformRect(rect).GetOuterRect()); | |
| m_pStream->WriteString("strokepath W n"); | |
| if (pObject2Device) | |
| m_pStream->WriteString(" sm"); | |
| m_pStream->WriteString("\n"); | |
| } | |
| bool CFX_PSRenderer::DrawPath(const CFX_PathData* pPathData, | |
| const CFX_Matrix* pObject2Device, | |
| const CFX_GraphStateData* pGraphState, | |
| uint32_t fill_color, | |
| uint32_t stroke_color, | |
| int fill_mode) { | |
| StartRendering(); | |
| int fill_alpha = FXARGB_A(fill_color); | |
| int stroke_alpha = FXARGB_A(stroke_color); | |
| if (fill_alpha && fill_alpha < 255) | |
| return false; | |
| if (stroke_alpha && stroke_alpha < 255) | |
| return false; | |
| if (fill_alpha == 0 && stroke_alpha == 0) | |
| return false; | |
| if (stroke_alpha) { | |
| SetGraphState(pGraphState); | |
| if (pObject2Device) { | |
| std::ostringstream buf; | |
| buf << "mx Cm [" << pObject2Device->a << " " << pObject2Device->b << " " | |
| << pObject2Device->c << " " << pObject2Device->d << " " | |
| << pObject2Device->e << " " << pObject2Device->f << "]cm "; | |
| m_pStream->WriteBlock(buf.str().c_str(), buf.tellp()); | |
| } | |
| } | |
| OutputPath(pPathData, stroke_alpha ? nullptr : pObject2Device); | |
| if (fill_mode && fill_alpha) { | |
| SetColor(fill_color); | |
| if ((fill_mode & 3) == FXFILL_WINDING) { | |
| if (stroke_alpha) | |
| m_pStream->WriteString("q f Q "); | |
| else | |
| m_pStream->WriteString("f"); | |
| } else if ((fill_mode & 3) == FXFILL_ALTERNATE) { | |
| if (stroke_alpha) | |
| m_pStream->WriteString("q F Q "); | |
| else | |
| m_pStream->WriteString("F"); | |
| } | |
| } | |
| if (stroke_alpha) { | |
| SetColor(stroke_color); | |
| m_pStream->WriteString("s"); | |
| if (pObject2Device) | |
| m_pStream->WriteString(" sm"); | |
| } | |
| m_pStream->WriteString("\n"); | |
| return true; | |
| } | |
| void CFX_PSRenderer::SetGraphState(const CFX_GraphStateData* pGraphState) { | |
| std::ostringstream buf; | |
| if (!m_bGraphStateSet || | |
| m_CurGraphState.m_LineCap != pGraphState->m_LineCap) { | |
| buf << pGraphState->m_LineCap << " J\n"; | |
| } | |
| if (!m_bGraphStateSet || | |
| m_CurGraphState.m_DashCount != pGraphState->m_DashCount || | |
| memcmp(m_CurGraphState.m_DashArray, pGraphState->m_DashArray, | |
| sizeof(float) * m_CurGraphState.m_DashCount)) { | |
| buf << "["; | |
| for (int i = 0; i < pGraphState->m_DashCount; ++i) | |
| buf << pGraphState->m_DashArray[i] << " "; | |
| buf << "]" << pGraphState->m_DashPhase << " d\n"; | |
| } | |
| if (!m_bGraphStateSet || | |
| m_CurGraphState.m_LineJoin != pGraphState->m_LineJoin) { | |
| buf << pGraphState->m_LineJoin << " j\n"; | |
| } | |
| if (!m_bGraphStateSet || | |
| m_CurGraphState.m_LineWidth != pGraphState->m_LineWidth) { | |
| buf << pGraphState->m_LineWidth << " w\n"; | |
| } | |
| if (!m_bGraphStateSet || | |
| m_CurGraphState.m_MiterLimit != pGraphState->m_MiterLimit) { | |
| buf << pGraphState->m_MiterLimit << " M\n"; | |
| } | |
| m_CurGraphState.Copy(*pGraphState); | |
| m_bGraphStateSet = true; | |
| if (buf.tellp()) | |
| m_pStream->WriteBlock(buf.str().c_str(), buf.tellp()); | |
| } | |
| bool CFX_PSRenderer::SetDIBits(const RetainPtr<CFX_DIBSource>& pSource, | |
| uint32_t color, | |
| int left, | |
| int top) { | |
| StartRendering(); | |
| CFX_Matrix matrix((float)(pSource->GetWidth()), 0.0f, 0.0f, | |
| -(float)(pSource->GetHeight()), (float)(left), | |
| (float)(top + pSource->GetHeight())); | |
| return DrawDIBits(pSource, color, &matrix, 0); | |
| } | |
| bool CFX_PSRenderer::StretchDIBits(const RetainPtr<CFX_DIBSource>& pSource, | |
| uint32_t color, | |
| int dest_left, | |
| int dest_top, | |
| int dest_width, | |
| int dest_height, | |
| uint32_t flags) { | |
| StartRendering(); | |
| CFX_Matrix matrix((float)(dest_width), 0.0f, 0.0f, (float)(-dest_height), | |
| (float)(dest_left), (float)(dest_top + dest_height)); | |
| return DrawDIBits(pSource, color, &matrix, flags); | |
| } | |
| bool CFX_PSRenderer::DrawDIBits(const RetainPtr<CFX_DIBSource>& pSource, | |
| uint32_t color, | |
| const CFX_Matrix* pMatrix, | |
| uint32_t flags) { | |
| StartRendering(); | |
| if ((pMatrix->a == 0 && pMatrix->b == 0) || | |
| (pMatrix->c == 0 && pMatrix->d == 0)) { | |
| return true; | |
| } | |
| if (pSource->HasAlpha()) | |
| return false; | |
| int alpha = FXARGB_A(color); | |
| if (pSource->IsAlphaMask() && (alpha < 255 || pSource->GetBPP() != 1)) | |
| return false; | |
| m_pStream->WriteString("q\n"); | |
| std::ostringstream buf; | |
| buf << "[" << pMatrix->a << " " << pMatrix->b << " " << pMatrix->c << " " | |
| << pMatrix->d << " " << pMatrix->e << " " << pMatrix->f << "]cm "; | |
| int width = pSource->GetWidth(); | |
| int height = pSource->GetHeight(); | |
| buf << width << " " << height; | |
| if (pSource->GetBPP() == 1 && !pSource->GetPalette()) { | |
| int pitch = (width + 7) / 8; | |
| uint32_t src_size = height * pitch; | |
| uint8_t* src_buf = FX_Alloc(uint8_t, src_size); | |
| for (int row = 0; row < height; row++) { | |
| const uint8_t* src_scan = pSource->GetScanline(row); | |
| memcpy(src_buf + row * pitch, src_scan, pitch); | |
| } | |
| std::unique_ptr<uint8_t, FxFreeDeleter> output_buf; | |
| uint32_t output_size; | |
| FaxCompressData(src_buf, width, height, &output_buf, &output_size); | |
| if (pSource->IsAlphaMask()) { | |
| SetColor(color); | |
| m_bColorSet = false; | |
| buf << " true["; | |
| } else { | |
| buf << " 1["; | |
| } | |
| buf << width << " 0 0 -" << height << " 0 " << height | |
| << "]currentfile/ASCII85Decode filter "; | |
| if (output_buf.get() != src_buf) { | |
| buf << "<</K -1/EndOfBlock false/Columns " << width << "/Rows " << height | |
| << ">>/CCITTFaxDecode filter "; | |
| } | |
| if (pSource->IsAlphaMask()) | |
| buf << "iM\n"; | |
| else | |
| buf << "false 1 colorimage\n"; | |
| m_pStream->WriteBlock(buf.str().c_str(), buf.tellp()); | |
| WritePSBinary(output_buf.get(), output_size); | |
| output_buf.release(); | |
| } else { | |
| CFX_DIBExtractor source_extractor(pSource); | |
| RetainPtr<CFX_DIBSource> pConverted = source_extractor.GetBitmap(); | |
| if (!pConverted) | |
| return false; | |
| switch (pSource->GetFormat()) { | |
| case FXDIB_1bppRgb: | |
| case FXDIB_Rgb32: | |
| pConverted = pConverted->CloneConvert(FXDIB_Rgb); | |
| break; | |
| case FXDIB_8bppRgb: | |
| if (pSource->GetPalette()) { | |
| pConverted = pConverted->CloneConvert(FXDIB_Rgb); | |
| } | |
| break; | |
| case FXDIB_1bppCmyk: | |
| pConverted = pConverted->CloneConvert(FXDIB_Cmyk); | |
| break; | |
| case FXDIB_8bppCmyk: | |
| if (pSource->GetPalette()) { | |
| pConverted = pConverted->CloneConvert(FXDIB_Cmyk); | |
| } | |
| break; | |
| default: | |
| break; | |
| } | |
| if (!pConverted) { | |
| m_pStream->WriteString("\nQ\n"); | |
| return false; | |
| } | |
| int bpp = pConverted->GetBPP() / 8; | |
| uint8_t* output_buf = nullptr; | |
| size_t output_size = 0; | |
| const char* filter = nullptr; | |
| if ((m_PSLevel == 2 || flags & FXRENDER_IMAGE_LOSSY) && | |
| CCodec_JpegModule::JpegEncode(pConverted, &output_buf, &output_size)) { | |
| filter = "/DCTDecode filter "; | |
| } | |
| if (!filter) { | |
| int src_pitch = width * bpp; | |
| output_size = height * src_pitch; | |
| output_buf = FX_Alloc(uint8_t, output_size); | |
| for (int row = 0; row < height; row++) { | |
| const uint8_t* src_scan = pConverted->GetScanline(row); | |
| uint8_t* dest_scan = output_buf + row * src_pitch; | |
| if (bpp == 3) { | |
| for (int col = 0; col < width; col++) { | |
| *dest_scan++ = src_scan[2]; | |
| *dest_scan++ = src_scan[1]; | |
| *dest_scan++ = *src_scan; | |
| src_scan += 3; | |
| } | |
| } else { | |
| memcpy(dest_scan, src_scan, src_pitch); | |
| } | |
| } | |
| uint8_t* compressed_buf; | |
| uint32_t compressed_size; | |
| PSCompressData(m_PSLevel, output_buf, output_size, &compressed_buf, | |
| &compressed_size, &filter); | |
| if (output_buf != compressed_buf) | |
| FX_Free(output_buf); | |
| output_buf = compressed_buf; | |
| output_size = compressed_size; | |
| } | |
| buf << " 8["; | |
| buf << width << " 0 0 -" << height << " 0 " << height << "]"; | |
| buf << "currentfile/ASCII85Decode filter "; | |
| if (filter) | |
| buf << filter; | |
| buf << "false " << bpp; | |
| buf << " colorimage\n"; | |
| m_pStream->WriteBlock(buf.str().c_str(), buf.tellp()); | |
| WritePSBinary(output_buf, output_size); | |
| FX_Free(output_buf); | |
| } | |
| m_pStream->WriteString("\nQ\n"); | |
| return true; | |
| } | |
| void CFX_PSRenderer::SetColor(uint32_t color) { | |
| bool bCMYK = false; | |
| if (bCMYK != m_bCmykOutput || !m_bColorSet || m_LastColor != color) { | |
| std::ostringstream buf; | |
| if (bCMYK) { | |
| buf << FXSYS_GetCValue(color) / 255.0 << " " | |
| << FXSYS_GetMValue(color) / 255.0 << " " | |
| << FXSYS_GetYValue(color) / 255.0 << " " | |
| << FXSYS_GetKValue(color) / 255.0 << " k\n"; | |
| } else { | |
| buf << FXARGB_R(color) / 255.0 << " " << FXARGB_G(color) / 255.0 << " " | |
| << FXARGB_B(color) / 255.0 << " rg\n"; | |
| } | |
| if (bCMYK == m_bCmykOutput) { | |
| m_bColorSet = true; | |
| m_LastColor = color; | |
| } | |
| m_pStream->WriteBlock(buf.str().c_str(), buf.tellp()); | |
| } | |
| } | |
| void CFX_PSRenderer::FindPSFontGlyph(CFX_FaceCache* pFaceCache, | |
| CFX_Font* pFont, | |
| const FXTEXT_CHARPOS& charpos, | |
| int* ps_fontnum, | |
| int* ps_glyphindex) { | |
| int i = 0; | |
| for (const auto& pPSFont : m_PSFontList) { | |
| for (int j = 0; j < pPSFont->m_nGlyphs; j++) { | |
| if (pPSFont->m_Glyphs[j].m_pFont == pFont && | |
| pPSFont->m_Glyphs[j].m_GlyphIndex == charpos.m_GlyphIndex && | |
| ((!pPSFont->m_Glyphs[j].m_bGlyphAdjust && !charpos.m_bGlyphAdjust) || | |
| (pPSFont->m_Glyphs[j].m_bGlyphAdjust && charpos.m_bGlyphAdjust && | |
| (fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[0] - | |
| charpos.m_AdjustMatrix[0]) < 0.01 && | |
| fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[1] - | |
| charpos.m_AdjustMatrix[1]) < 0.01 && | |
| fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[2] - | |
| charpos.m_AdjustMatrix[2]) < 0.01 && | |
| fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[3] - | |
| charpos.m_AdjustMatrix[3]) < 0.01)))) { | |
| *ps_fontnum = i; | |
| *ps_glyphindex = j; | |
| return; | |
| } | |
| } | |
| ++i; | |
| } | |
| if (m_PSFontList.empty() || m_PSFontList.back()->m_nGlyphs == 256) { | |
| m_PSFontList.push_back(pdfium::MakeUnique<CPSFont>()); | |
| m_PSFontList.back()->m_nGlyphs = 0; | |
| std::ostringstream buf; | |
| buf << "8 dict begin/FontType 3 def/FontMatrix[1 0 0 1 0 0]def\n" | |
| "/FontBBox[0 0 0 0]def/Encoding 256 array def 0 1 255{Encoding " | |
| "exch/.notdef put}for\n" | |
| "/CharProcs 1 dict def CharProcs begin/.notdef {} def end\n" | |
| "/BuildGlyph{1 0 -10 -10 10 10 setcachedevice exch/CharProcs get " | |
| "exch 2 copy known not{pop/.notdef}if get exec}bind def\n" | |
| "/BuildChar{1 index/Encoding get exch get 1 index/BuildGlyph get " | |
| "exec}bind def\n" | |
| "currentdict end\n"; | |
| buf << "/X" << static_cast<uint32_t>(m_PSFontList.size() - 1) | |
| << " exch definefont pop\n"; | |
| m_pStream->WriteBlock(buf.str().c_str(), buf.tellp()); | |
| buf.str(""); | |
| } | |
| *ps_fontnum = m_PSFontList.size() - 1; | |
| CPSFont* pPSFont = m_PSFontList[*ps_fontnum].get(); | |
| int glyphindex = pPSFont->m_nGlyphs; | |
| *ps_glyphindex = glyphindex; | |
| pPSFont->m_Glyphs[glyphindex].m_GlyphIndex = charpos.m_GlyphIndex; | |
| pPSFont->m_Glyphs[glyphindex].m_pFont = pFont; | |
| pPSFont->m_Glyphs[glyphindex].m_bGlyphAdjust = charpos.m_bGlyphAdjust; | |
| if (charpos.m_bGlyphAdjust) { | |
| pPSFont->m_Glyphs[glyphindex].m_AdjustMatrix[0] = charpos.m_AdjustMatrix[0]; | |
| pPSFont->m_Glyphs[glyphindex].m_AdjustMatrix[1] = charpos.m_AdjustMatrix[1]; | |
| pPSFont->m_Glyphs[glyphindex].m_AdjustMatrix[2] = charpos.m_AdjustMatrix[2]; | |
| pPSFont->m_Glyphs[glyphindex].m_AdjustMatrix[3] = charpos.m_AdjustMatrix[3]; | |
| } | |
| pPSFont->m_nGlyphs++; | |
| CFX_Matrix matrix; | |
| if (charpos.m_bGlyphAdjust) { | |
| matrix = | |
| CFX_Matrix(charpos.m_AdjustMatrix[0], charpos.m_AdjustMatrix[1], | |
| charpos.m_AdjustMatrix[2], charpos.m_AdjustMatrix[3], 0, 0); | |
| } | |
| matrix.Concat(CFX_Matrix(1.0f, 0, 0, 1.0f, 0, 0)); | |
| const CFX_PathData* pPathData = pFaceCache->LoadGlyphPath( | |
| pFont, charpos.m_GlyphIndex, charpos.m_FontCharWidth); | |
| if (!pPathData) | |
| return; | |
| CFX_PathData TransformedPath(*pPathData); | |
| if (charpos.m_bGlyphAdjust) | |
| TransformedPath.Transform(&matrix); | |
| std::ostringstream buf; | |
| buf << "/X" << *ps_fontnum << " Ff/CharProcs get begin/" << glyphindex | |
| << "{n "; | |
| for (size_t p = 0; p < TransformedPath.GetPoints().size(); p++) { | |
| CFX_PointF point = TransformedPath.GetPoint(p); | |
| switch (TransformedPath.GetType(p)) { | |
| case FXPT_TYPE::MoveTo: { | |
| buf << point.x << " " << point.y << " m\n"; | |
| break; | |
| } | |
| case FXPT_TYPE::LineTo: { | |
| buf << point.x << " " << point.y << " l\n"; | |
| break; | |
| } | |
| case FXPT_TYPE::BezierTo: { | |
| CFX_PointF point1 = TransformedPath.GetPoint(p + 1); | |
| CFX_PointF point2 = TransformedPath.GetPoint(p + 2); | |
| buf << point.x << " " << point.y << " " << point1.x << " " << point1.y | |
| << " " << point2.x << " " << point2.y << " c\n"; | |
| p += 2; | |
| break; | |
| } | |
| } | |
| } | |
| buf << "f}bind def end\n"; | |
| buf << "/X" << *ps_fontnum << " Ff/Encoding get " << glyphindex << "/" | |
| << glyphindex << " put\n"; | |
| m_pStream->WriteBlock(buf.str().c_str(), buf.tellp()); | |
| } | |
| bool CFX_PSRenderer::DrawText(int nChars, | |
| const FXTEXT_CHARPOS* pCharPos, | |
| CFX_Font* pFont, | |
| const CFX_Matrix* pObject2Device, | |
| float font_size, | |
| uint32_t color) { | |
| // Do not send zero or negative font sizes to printers. See crbug.com/767343. | |
| if (font_size <= 0.0) | |
| return true; | |
| if ((pObject2Device->a == 0 && pObject2Device->b == 0) || | |
| (pObject2Device->c == 0 && pObject2Device->d == 0)) { | |
| return true; | |
| } | |
| StartRendering(); | |
| int alpha = FXARGB_A(color); | |
| if (alpha < 255) | |
| return false; | |
| SetColor(color); | |
| std::ostringstream buf; | |
| buf << "q[" << pObject2Device->a << " " << pObject2Device->b << " " | |
| << pObject2Device->c << " " << pObject2Device->d << " " | |
| << pObject2Device->e << " " << pObject2Device->f << "]cm\n"; | |
| CFX_FontCache* pCache = CFX_GEModule::Get()->GetFontCache(); | |
| CFX_FaceCache* pFaceCache = pCache->GetCachedFace(pFont); | |
| int last_fontnum = -1; | |
| for (int i = 0; i < nChars; i++) { | |
| int ps_fontnum, ps_glyphindex; | |
| FindPSFontGlyph(pFaceCache, pFont, pCharPos[i], &ps_fontnum, | |
| &ps_glyphindex); | |
| if (last_fontnum != ps_fontnum) { | |
| buf << "/X" << ps_fontnum << " Ff " << font_size << " Fs Sf "; | |
| last_fontnum = ps_fontnum; | |
| } | |
| buf << pCharPos[i].m_Origin.x << " " << pCharPos[i].m_Origin.y << " m"; | |
| ByteString hex; | |
| hex.Format("<%02X>", ps_glyphindex); | |
| buf << hex.AsStringView() << "Tj\n"; | |
| } | |
| buf << "Q\n"; | |
| m_pStream->WriteBlock(buf.str().c_str(), buf.tellp()); | |
| pCache->ReleaseCachedFace(pFont); | |
| return true; | |
| } | |
| void CFX_PSRenderer::WritePSBinary(const uint8_t* data, int len) { | |
| uint8_t* dest_buf; | |
| uint32_t dest_size; | |
| CCodec_ModuleMgr* pEncoders = CPDF_ModuleMgr::Get()->GetCodecModule(); | |
| if (pEncoders->GetBasicModule()->A85Encode(data, len, &dest_buf, | |
| &dest_size)) { | |
| m_pStream->WriteBlock(dest_buf, dest_size); | |
| FX_Free(dest_buf); | |
| } else { | |
| m_pStream->WriteBlock(data, len); | |
| } | |
| } |