| // 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/fxge/fx_ge.h" |
| #include "../../../include/fxcodec/fx_codec.h" |
| #include "text_int.h" |
| struct PSGlyph { |
| CFX_Font* m_pFont; |
| FX_DWORD m_GlyphIndex; |
| FX_BOOL m_bGlyphAdjust; |
| FX_FLOAT m_AdjustMatrix[4]; |
| }; |
| class CPSFont : public CFX_Object |
| { |
| public: |
| PSGlyph m_Glyphs[256]; |
| int m_nGlyphs; |
| }; |
| CFX_PSRenderer::CFX_PSRenderer() |
| { |
| m_pOutput = NULL; |
| m_bColorSet = m_bGraphStateSet = FALSE; |
| m_bInited = FALSE; |
| } |
| CFX_PSRenderer::~CFX_PSRenderer() |
| { |
| for (int i = 0; i < (int)m_PSFontList.GetSize(); i ++) { |
| CPSFont* pFont = m_PSFontList[i]; |
| delete pFont; |
| } |
| } |
| #define OUTPUT_PS(str) m_pOutput->OutputPS(str, sizeof str-1) |
| void CFX_PSRenderer::Init(IFX_PSOutput* pOutput, int pslevel, int width, int height, FX_BOOL bCmykOutput) |
| { |
| m_PSLevel = pslevel; |
| m_pOutput = pOutput; |
| m_ClipBox.left = m_ClipBox.top = 0; |
| m_ClipBox.right = width; |
| m_ClipBox.bottom = height; |
| m_bCmykOutput = bCmykOutput; |
| } |
| FX_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" |
| ; |
| OUTPUT_PS(init_str); |
| m_bInited = TRUE; |
| return TRUE; |
| } |
| void CFX_PSRenderer::EndRendering() |
| { |
| if (m_bInited) { |
| OUTPUT_PS("\nrestore\n"); |
| } |
| m_bInited = FALSE; |
| } |
| void CFX_PSRenderer::SaveState() |
| { |
| StartRendering(); |
| OUTPUT_PS("q\n"); |
| m_ClipBoxStack.Add(m_ClipBox); |
| } |
| void CFX_PSRenderer::RestoreState(FX_BOOL bKeepSaved) |
| { |
| StartRendering(); |
| if (bKeepSaved) { |
| OUTPUT_PS("Q\nq\n"); |
| } else { |
| OUTPUT_PS("Q\n"); |
| } |
| m_bColorSet = m_bGraphStateSet = FALSE; |
| m_ClipBox = m_ClipBoxStack.GetAt(m_ClipBoxStack.GetSize() - 1); |
| if (!bKeepSaved) { |
| m_ClipBoxStack.RemoveAt(m_ClipBoxStack.GetSize() - 1); |
| } |
| } |
| void CFX_PSRenderer::OutputPath(const CFX_PathData* pPathData, const CFX_AffineMatrix* pObject2Device) |
| { |
| int nPoints = pPathData->GetPointCount(); |
| CFX_ByteTextBuf buf; |
| buf.EstimateSize(nPoints * 10); |
| for (int i = 0; i < nPoints; i ++) { |
| FX_BYTE flag = pPathData->GetFlag(i); |
| FX_FLOAT x = pPathData->GetPointX(i); |
| FX_FLOAT y = pPathData->GetPointY(i); |
| if (pObject2Device) { |
| pObject2Device->Transform(x, y); |
| } |
| buf << x << FX_BSTRC(" ") << y; |
| switch (flag & FXPT_TYPE) { |
| case FXPT_MOVETO: |
| buf << FX_BSTRC(" m "); |
| break; |
| case FXPT_LINETO: |
| if (flag & FXPT_CLOSEFIGURE) { |
| buf << FX_BSTRC(" l h "); |
| } else { |
| buf << FX_BSTRC(" l "); |
| } |
| break; |
| case FXPT_BEZIERTO: { |
| FX_FLOAT x1 = pPathData->GetPointX(i + 1); |
| FX_FLOAT x2 = pPathData->GetPointX(i + 2); |
| FX_FLOAT y1 = pPathData->GetPointY(i + 1); |
| FX_FLOAT y2 = pPathData->GetPointY(i + 2); |
| if (pObject2Device) { |
| pObject2Device->Transform(x1, y1); |
| pObject2Device->Transform(x2, y2); |
| } |
| buf << FX_BSTRC(" ") << x1 << FX_BSTRC(" ") << y1 << FX_BSTRC(" ") << x2 << FX_BSTRC(" ") << y2; |
| if (flag & FXPT_CLOSEFIGURE) { |
| buf << FX_BSTRC(" c h\n"); |
| } else { |
| buf << FX_BSTRC(" c\n"); |
| } |
| i += 2; |
| break; |
| } |
| } |
| } |
| m_pOutput->OutputPS((FX_LPCSTR)buf.GetBuffer(), buf.GetSize()); |
| } |
| void CFX_PSRenderer::SetClip_PathFill(const CFX_PathData* pPathData, |
| const CFX_AffineMatrix* pObject2Device, |
| int fill_mode |
| ) |
| { |
| StartRendering(); |
| OutputPath(pPathData, pObject2Device); |
| CFX_FloatRect rect = pPathData->GetBoundingBox(); |
| if (pObject2Device) { |
| rect.Transform(pObject2Device); |
| } |
| m_ClipBox.Intersect(rect.GetOutterRect()); |
| if ((fill_mode & 3) == FXFILL_WINDING) { |
| OUTPUT_PS("W n\n"); |
| } else { |
| OUTPUT_PS("W* n\n"); |
| } |
| } |
| void CFX_PSRenderer::SetClip_PathStroke(const CFX_PathData* pPathData, |
| const CFX_AffineMatrix* pObject2Device, |
| const CFX_GraphStateData* pGraphState |
| ) |
| { |
| StartRendering(); |
| SetGraphState(pGraphState); |
| if (pObject2Device) { |
| CFX_ByteTextBuf buf; |
| buf << FX_BSTRC("mx Cm [") << pObject2Device->a << FX_BSTRC(" ") << pObject2Device->b << FX_BSTRC(" ") << |
| pObject2Device->c << FX_BSTRC(" ") << pObject2Device->d << FX_BSTRC(" ") << pObject2Device->e << |
| FX_BSTRC(" ") << pObject2Device->f << FX_BSTRC("]cm "); |
| m_pOutput->OutputPS((FX_LPCSTR)buf.GetBuffer(), buf.GetSize()); |
| } |
| OutputPath(pPathData, NULL); |
| CFX_FloatRect rect = pPathData->GetBoundingBox(pGraphState->m_LineWidth, pGraphState->m_MiterLimit); |
| rect.Transform(pObject2Device); |
| m_ClipBox.Intersect(rect.GetOutterRect()); |
| if (pObject2Device) { |
| OUTPUT_PS("strokepath W n sm\n"); |
| } else { |
| OUTPUT_PS("strokepath W n\n"); |
| } |
| } |
| FX_BOOL CFX_PSRenderer::DrawPath(const CFX_PathData* pPathData, |
| const CFX_AffineMatrix* pObject2Device, |
| const CFX_GraphStateData* pGraphState, |
| FX_DWORD fill_color, |
| FX_DWORD stroke_color, |
| int fill_mode, |
| int alpha_flag, |
| void* pIccTransform |
| ) |
| { |
| StartRendering(); |
| int fill_alpha = FXGETFLAG_COLORTYPE(alpha_flag) ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(fill_color); |
| int stroke_alpha = FXGETFLAG_COLORTYPE(alpha_flag) ? FXGETFLAG_ALPHA_STROKE(alpha_flag) : 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) { |
| CFX_ByteTextBuf buf; |
| buf << FX_BSTRC("mx Cm [") << pObject2Device->a << FX_BSTRC(" ") << pObject2Device->b << FX_BSTRC(" ") << |
| pObject2Device->c << FX_BSTRC(" ") << pObject2Device->d << FX_BSTRC(" ") << pObject2Device->e << |
| FX_BSTRC(" ") << pObject2Device->f << FX_BSTRC("]cm "); |
| m_pOutput->OutputPS((FX_LPCSTR)buf.GetBuffer(), buf.GetSize()); |
| } |
| } |
| OutputPath(pPathData, stroke_alpha ? NULL : pObject2Device); |
| if (fill_mode && fill_alpha) { |
| SetColor(fill_color, alpha_flag, pIccTransform); |
| if ((fill_mode & 3) == FXFILL_WINDING) { |
| if (stroke_alpha) { |
| OUTPUT_PS("q f Q "); |
| } else { |
| OUTPUT_PS("f"); |
| } |
| } else if ((fill_mode & 3) == FXFILL_ALTERNATE) { |
| if (stroke_alpha) { |
| OUTPUT_PS("q F Q "); |
| } else { |
| OUTPUT_PS("F"); |
| } |
| } |
| } |
| if (stroke_alpha) { |
| SetColor(stroke_color, alpha_flag, pIccTransform); |
| if (pObject2Device) { |
| OUTPUT_PS("s sm"); |
| } else { |
| OUTPUT_PS("s"); |
| } |
| } |
| OUTPUT_PS("\n"); |
| return TRUE; |
| } |
| void CFX_PSRenderer::SetGraphState(const CFX_GraphStateData* pGraphState) |
| { |
| CFX_ByteTextBuf buf; |
| if (!m_bGraphStateSet || m_CurGraphState.m_LineCap != pGraphState->m_LineCap) { |
| buf << pGraphState->m_LineCap << FX_BSTRC(" J\n"); |
| } |
| if (!m_bGraphStateSet || m_CurGraphState.m_DashCount != pGraphState->m_DashCount || |
| FXSYS_memcmp32(m_CurGraphState.m_DashArray, pGraphState->m_DashArray, sizeof(FX_FLOAT)*m_CurGraphState.m_DashCount)) { |
| buf << FX_BSTRC("["); |
| for (int i = 0; i < pGraphState->m_DashCount; i ++) { |
| buf << pGraphState->m_DashArray[i] << FX_BSTRC(" "); |
| } |
| buf << FX_BSTRC("]") << pGraphState->m_DashPhase << FX_BSTRC(" d\n"); |
| } |
| if (!m_bGraphStateSet || m_CurGraphState.m_LineJoin != pGraphState->m_LineJoin) { |
| buf << pGraphState->m_LineJoin << FX_BSTRC(" j\n"); |
| } |
| if (!m_bGraphStateSet || m_CurGraphState.m_LineWidth != pGraphState->m_LineWidth) { |
| buf << pGraphState->m_LineWidth << FX_BSTRC(" w\n"); |
| } |
| if (!m_bGraphStateSet || m_CurGraphState.m_MiterLimit != pGraphState->m_MiterLimit) { |
| buf << pGraphState->m_MiterLimit << FX_BSTRC(" M\n"); |
| } |
| m_CurGraphState.Copy(*pGraphState); |
| m_bGraphStateSet = TRUE; |
| if (buf.GetSize()) { |
| m_pOutput->OutputPS((FX_LPCSTR)buf.GetBuffer(), buf.GetSize()); |
| } |
| } |
| static void FaxCompressData(FX_LPBYTE src_buf, int width, int height, FX_LPBYTE& dest_buf, FX_DWORD& dest_size) |
| { |
| CCodec_ModuleMgr* pEncoders = CFX_GEModule::Get()->GetCodecModule(); |
| if (width * height > 128 && pEncoders && pEncoders->GetFaxModule()->Encode(src_buf, width, height, (width + 7) / 8, dest_buf, dest_size)) { |
| FX_Free(src_buf); |
| } else { |
| dest_buf = src_buf; |
| dest_size = (width + 7) / 8 * height; |
| } |
| } |
| static void PSCompressData(int PSLevel, FX_LPBYTE src_buf, FX_DWORD src_size, |
| FX_LPBYTE& output_buf, FX_DWORD& output_size, FX_LPCSTR& filter) |
| { |
| output_buf = src_buf; |
| output_size = src_size; |
| filter = ""; |
| if (src_size < 1024) { |
| return; |
| } |
| CCodec_ModuleMgr* pEncoders = CFX_GEModule::Get()->GetCodecModule(); |
| FX_LPBYTE dest_buf = NULL; |
| FX_DWORD dest_size = src_size; |
| if (PSLevel >= 3) { |
| if (pEncoders && pEncoders->GetFlateModule()->Encode(src_buf, src_size, dest_buf, dest_size)) { |
| filter = "/FlateDecode filter "; |
| } |
| } else { |
| if (pEncoders && 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 = NULL; |
| if (dest_buf) { |
| FX_Free(dest_buf); |
| } |
| } |
| } |
| FX_BOOL CFX_PSRenderer::SetDIBits(const CFX_DIBSource* pSource, FX_DWORD color, int left, int top, |
| int alpha_flag, void* pIccTransform) |
| { |
| StartRendering(); |
| CFX_AffineMatrix matrix((FX_FLOAT)(pSource->GetWidth()), 0.0f, 0.0f, -(FX_FLOAT)(pSource->GetHeight()), |
| (FX_FLOAT)(left), (FX_FLOAT)(top + pSource->GetHeight())); |
| return DrawDIBits(pSource, color, &matrix, 0, alpha_flag, pIccTransform); |
| } |
| FX_BOOL CFX_PSRenderer::StretchDIBits(const CFX_DIBSource* pSource, FX_DWORD color, int dest_left, int dest_top, |
| int dest_width, int dest_height, FX_DWORD flags, |
| int alpha_flag, void* pIccTransform) |
| { |
| StartRendering(); |
| CFX_AffineMatrix matrix((FX_FLOAT)(dest_width), 0.0f, 0.0f, (FX_FLOAT)(-dest_height), |
| (FX_FLOAT)(dest_left), (FX_FLOAT)(dest_top + dest_height)); |
| return DrawDIBits(pSource, color, &matrix, flags, alpha_flag, pIccTransform); |
| } |
| FX_BOOL CFX_PSRenderer::DrawDIBits(const CFX_DIBSource* pSource, FX_DWORD color, |
| const CFX_AffineMatrix* pMatrix, FX_DWORD flags, |
| int alpha_flag, void* pIccTransform) |
| { |
| StartRendering(); |
| if ((pMatrix->a == 0 && pMatrix->b == 0) || (pMatrix->c == 0 && pMatrix->d == 0)) { |
| return TRUE; |
| } |
| if (pSource->HasAlpha()) { |
| return FALSE; |
| } |
| int alpha = FXGETFLAG_COLORTYPE(alpha_flag) ? FXGETFLAG_ALPHA_FILL(color) : FXARGB_A(color); |
| if (pSource->IsAlphaMask() && (alpha < 255 || pSource->GetBPP() != 1)) { |
| return FALSE; |
| } |
| OUTPUT_PS("q\n"); |
| CFX_ByteTextBuf buf; |
| buf << FX_BSTRC("[") << pMatrix->a << FX_BSTRC(" ") << pMatrix->b << FX_BSTRC(" ") << |
| pMatrix->c << FX_BSTRC(" ") << pMatrix->d << FX_BSTRC(" ") << pMatrix->e << |
| FX_BSTRC(" ") << pMatrix->f << FX_BSTRC("]cm "); |
| int width = pSource->GetWidth(); |
| int height = pSource->GetHeight(); |
| buf << width << FX_BSTRC(" ") << height; |
| if (pSource->GetBPP() == 1 && pSource->GetPalette() == NULL) { |
| int pitch = (width + 7) / 8; |
| FX_DWORD src_size = height * pitch; |
| FX_LPBYTE src_buf = FX_Alloc(FX_BYTE, src_size); |
| if (!src_buf) { |
| return FALSE; |
| } |
| for (int row = 0; row < height; row ++) { |
| FX_LPCBYTE src_scan = pSource->GetScanline(row); |
| FXSYS_memcpy32(src_buf + row * pitch, src_scan, pitch); |
| } |
| FX_LPBYTE output_buf; |
| FX_DWORD output_size; |
| FaxCompressData(src_buf, width, height, output_buf, output_size); |
| if (pSource->IsAlphaMask()) { |
| SetColor(color, alpha_flag, pIccTransform); |
| m_bColorSet = FALSE; |
| buf << FX_BSTRC(" true["); |
| } else { |
| buf << FX_BSTRC(" 1["); |
| } |
| buf << width << FX_BSTRC(" 0 0 -") << height << FX_BSTRC(" 0 ") << height << |
| FX_BSTRC("]currentfile/ASCII85Decode filter "); |
| if (output_buf != src_buf) |
| buf << FX_BSTRC("<</K -1/EndOfBlock false/Columns ") << width << FX_BSTRC("/Rows ") << height << |
| FX_BSTRC(">>/CCITTFaxDecode filter "); |
| if (pSource->IsAlphaMask()) { |
| buf << FX_BSTRC("iM\n"); |
| } else { |
| buf << FX_BSTRC("false 1 colorimage\n"); |
| } |
| m_pOutput->OutputPS((FX_LPCSTR)buf.GetBuffer(), buf.GetSize()); |
| WritePSBinary(output_buf, output_size); |
| FX_Free(output_buf); |
| } else { |
| CFX_DIBSource* pConverted = (CFX_DIBSource*)pSource; |
| if (pIccTransform) { |
| FXDIB_Format format = m_bCmykOutput ? FXDIB_Cmyk : FXDIB_Rgb; |
| pConverted = pSource->CloneConvert(format, NULL, pIccTransform); |
| } else { |
| switch (pSource->GetFormat()) { |
| case FXDIB_1bppRgb: |
| case FXDIB_Rgb32: |
| pConverted = pSource->CloneConvert(FXDIB_Rgb); |
| break; |
| case FXDIB_8bppRgb: |
| if (pSource->GetPalette() != NULL) { |
| pConverted = pSource->CloneConvert(FXDIB_Rgb); |
| } |
| break; |
| case FXDIB_1bppCmyk: |
| pConverted = pSource->CloneConvert(FXDIB_Cmyk); |
| break; |
| case FXDIB_8bppCmyk: |
| if (pSource->GetPalette() != NULL) { |
| pConverted = pSource->CloneConvert(FXDIB_Cmyk); |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| if (pConverted == NULL) { |
| OUTPUT_PS("\nQ\n"); |
| return FALSE; |
| } |
| int Bpp = pConverted->GetBPP() / 8; |
| FX_LPBYTE output_buf = NULL; |
| FX_STRSIZE output_size = 0; |
| FX_LPCSTR filter = NULL; |
| if (flags & FXRENDER_IMAGE_LOSSY) { |
| CCodec_ModuleMgr* pEncoders = CFX_GEModule::Get()->GetCodecModule(); |
| if (pEncoders && pEncoders->GetJpegModule()->Encode(pConverted, output_buf, output_size)) { |
| filter = "/DCTDecode filter "; |
| } |
| } |
| if (filter == NULL) { |
| int src_pitch = width * Bpp; |
| output_size = height * src_pitch; |
| output_buf = FX_Alloc(FX_BYTE, output_size); |
| if (!output_buf) { |
| if (pConverted != pSource) { |
| delete pConverted; |
| pConverted = NULL; |
| } |
| return FALSE; |
| } |
| for (int row = 0; row < height; row ++) { |
| FX_LPCBYTE src_scan = pConverted->GetScanline(row); |
| FX_LPBYTE 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 { |
| FXSYS_memcpy32(dest_scan, src_scan, src_pitch); |
| } |
| } |
| FX_LPBYTE compressed_buf; |
| FX_DWORD 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; |
| } |
| if (pConverted != pSource) { |
| delete pConverted; |
| pConverted = NULL; |
| } |
| buf << FX_BSTRC(" 8["); |
| buf << width << FX_BSTRC(" 0 0 -") << height << FX_BSTRC(" 0 ") << height << FX_BSTRC("]"); |
| buf << FX_BSTRC("currentfile/ASCII85Decode filter "); |
| if (filter) { |
| buf << filter; |
| } |
| buf << FX_BSTRC("false ") << Bpp; |
| buf << FX_BSTRC(" colorimage\n"); |
| m_pOutput->OutputPS((FX_LPCSTR)buf.GetBuffer(), buf.GetSize()); |
| WritePSBinary(output_buf, output_size); |
| FX_Free(output_buf); |
| } |
| OUTPUT_PS("\nQ\n"); |
| return TRUE; |
| } |
| void CFX_PSRenderer::SetColor(FX_DWORD color, int alpha_flag, void* pIccTransform) |
| { |
| if (!CFX_GEModule::Get()->GetCodecModule() || !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) { |
| pIccTransform = NULL; |
| } |
| FX_BOOL bCMYK = FALSE; |
| if (pIccTransform) { |
| ICodec_IccModule* pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule(); |
| color = FXGETFLAG_COLORTYPE(alpha_flag) ? FXCMYK_TODIB(color) : FXARGB_TODIB(color); |
| FX_LPBYTE pColor = (FX_LPBYTE)&color; |
| pIccModule->TranslateScanline(pIccTransform, pColor, pColor, 1); |
| color = m_bCmykOutput ? FXCMYK_TODIB(color) : FXARGB_TODIB(color); |
| bCMYK = m_bCmykOutput; |
| } else { |
| bCMYK = FXGETFLAG_COLORTYPE(alpha_flag); |
| } |
| if (bCMYK != m_bCmykOutput || !m_bColorSet || m_LastColor != color) { |
| CFX_ByteTextBuf buf; |
| if (bCMYK) { |
| buf << FXSYS_GetCValue(color) / 255.0 << FX_BSTRC(" ") << FXSYS_GetMValue(color) / 255.0 << FX_BSTRC(" ") |
| << FXSYS_GetYValue(color) / 255.0 << FX_BSTRC(" ") << FXSYS_GetKValue(color) / 255.0 << FX_BSTRC(" k\n"); |
| } else { |
| buf << FXARGB_R(color) / 255.0 << FX_BSTRC(" ") << FXARGB_G(color) / 255.0 << FX_BSTRC(" ") |
| << FXARGB_B(color) / 255.0 << FX_BSTRC(" rg\n"); |
| } |
| if (bCMYK == m_bCmykOutput) { |
| m_bColorSet = TRUE; |
| m_LastColor = color; |
| } |
| m_pOutput->OutputPS((FX_LPCSTR)buf.GetBuffer(), buf.GetSize()); |
| } |
| } |
| void CFX_PSRenderer::FindPSFontGlyph(CFX_FaceCache* pFaceCache, CFX_Font* pFont, const FXTEXT_CHARPOS& charpos, |
| int& ps_fontnum, int &ps_glyphindex) |
| { |
| for (int i = 0; i < (int)m_PSFontList.GetSize(); i ++) { |
| CPSFont* pPSFont = m_PSFontList[i]; |
| 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) { |
| if ((!pPSFont->m_Glyphs[j].m_bGlyphAdjust && !charpos.m_bGlyphAdjust) || |
| (pPSFont->m_Glyphs[j].m_bGlyphAdjust && charpos.m_bGlyphAdjust && |
| (FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[0] - charpos.m_AdjustMatrix[0]) < 0.01 && |
| FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[1] - charpos.m_AdjustMatrix[1]) < 0.01 && |
| FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[2] - charpos.m_AdjustMatrix[2]) < 0.01 && |
| FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[3] - charpos.m_AdjustMatrix[3]) < 0.01))) { |
| ps_fontnum = i; |
| ps_glyphindex = j; |
| return; |
| } |
| } |
| } |
| if (m_PSFontList.GetSize() == 0 || m_PSFontList[m_PSFontList.GetSize() - 1]->m_nGlyphs == 256) { |
| CPSFont* pPSFont = FX_NEW CPSFont; |
| if (!pPSFont) { |
| return; |
| } |
| pPSFont->m_nGlyphs = 0; |
| m_PSFontList.Add(pPSFont); |
| CFX_ByteTextBuf buf; |
| buf << FX_BSTRC("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 << FX_BSTRC("/X") << m_PSFontList.GetSize() - 1 << FX_BSTRC(" exch definefont pop\n"); |
| m_pOutput->OutputPS((FX_LPCSTR)buf.GetBuffer(), buf.GetSize()); |
| buf.Clear(); |
| } |
| ps_fontnum = m_PSFontList.GetSize() - 1; |
| CPSFont* pPSFont = m_PSFontList[ps_fontnum]; |
| ps_glyphindex = pPSFont->m_nGlyphs; |
| pPSFont->m_Glyphs[ps_glyphindex].m_GlyphIndex = charpos.m_GlyphIndex; |
| pPSFont->m_Glyphs[ps_glyphindex].m_pFont = pFont; |
| pPSFont->m_Glyphs[ps_glyphindex].m_bGlyphAdjust = charpos.m_bGlyphAdjust; |
| if (charpos.m_bGlyphAdjust) { |
| pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[0] = charpos.m_AdjustMatrix[0]; |
| pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[1] = charpos.m_AdjustMatrix[1]; |
| pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[2] = charpos.m_AdjustMatrix[2]; |
| pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[3] = charpos.m_AdjustMatrix[3]; |
| } |
| pPSFont->m_nGlyphs ++; |
| CFX_AffineMatrix matrix; |
| if (charpos.m_bGlyphAdjust) |
| matrix.Set(charpos.m_AdjustMatrix[0], charpos.m_AdjustMatrix[1], |
| charpos.m_AdjustMatrix[2], charpos.m_AdjustMatrix[3], 0, 0); |
| matrix.Concat(1.0f, 0, 0, 1.0f, 0, 0); |
| const CFX_PathData* pPathData = pFaceCache->LoadGlyphPath(pFont, charpos.m_GlyphIndex, charpos.m_FontCharWidth); |
| if (pPathData == NULL) { |
| return; |
| } |
| CFX_PathData TransformedPath(*pPathData); |
| if (charpos.m_bGlyphAdjust) { |
| TransformedPath.Transform(&matrix); |
| } |
| CFX_ByteTextBuf buf; |
| buf << FX_BSTRC("/X") << ps_fontnum << FX_BSTRC(" Ff/CharProcs get begin/") |
| << ps_glyphindex << FX_BSTRC("{"); |
| buf << FX_BSTRC("n "); |
| for (int p = 0; p < TransformedPath.GetPointCount(); p ++) { |
| FX_FLOAT x = TransformedPath.GetPointX(p), y = TransformedPath.GetPointY(p); |
| switch (TransformedPath.GetFlag(p) & FXPT_TYPE) { |
| case FXPT_MOVETO: { |
| buf << x << FX_BSTRC(" ") << y << FX_BSTRC(" m\n"); |
| break; |
| } |
| case FXPT_LINETO: { |
| buf << x << FX_BSTRC(" ") << y << FX_BSTRC(" l\n"); |
| break; |
| } |
| case FXPT_BEZIERTO: { |
| buf << x << FX_BSTRC(" ") << y << FX_BSTRC(" ") |
| << TransformedPath.GetPointX(p + 1) << FX_BSTRC(" ") |
| << TransformedPath.GetPointY(p + 1) << FX_BSTRC(" ") |
| << TransformedPath.GetPointX(p + 2) << FX_BSTRC(" ") |
| << TransformedPath.GetPointY(p + 2) << FX_BSTRC(" c\n"); |
| p += 2; |
| break; |
| } |
| } |
| } |
| buf << FX_BSTRC("f"); |
| buf << FX_BSTRC("}bind def end\n"); |
| buf << FX_BSTRC("/X") << ps_fontnum << FX_BSTRC(" Ff/Encoding get ") << ps_glyphindex |
| << FX_BSTRC("/") << ps_glyphindex << FX_BSTRC(" put\n"); |
| m_pOutput->OutputPS((FX_LPCSTR)buf.GetBuffer(), buf.GetSize()); |
| } |
| FX_BOOL CFX_PSRenderer::DrawText(int nChars, const FXTEXT_CHARPOS* pCharPos, CFX_Font* pFont, |
| CFX_FontCache* pCache, const CFX_AffineMatrix* pObject2Device, |
| FX_FLOAT font_size, FX_DWORD color, |
| int alpha_flag, void* pIccTransform) |
| { |
| StartRendering(); |
| int alpha = FXGETFLAG_COLORTYPE(alpha_flag) ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(color); |
| if (alpha < 255) { |
| return FALSE; |
| } |
| if ((pObject2Device->a == 0 && pObject2Device->b == 0) || (pObject2Device->c == 0 && pObject2Device->d == 0)) { |
| return TRUE; |
| } |
| SetColor(color, alpha_flag, pIccTransform); |
| CFX_ByteTextBuf buf; |
| buf << FX_BSTRC("q[") << pObject2Device->a << FX_BSTRC(" ") << pObject2Device->b << FX_BSTRC(" ") |
| << pObject2Device->c << FX_BSTRC(" ") << pObject2Device->d; |
| buf << FX_BSTRC(" ") << pObject2Device->e << FX_BSTRC(" ") << pObject2Device->f << "]cm\n"; |
| if (pCache == NULL) { |
| pCache = CFX_GEModule::Get()->GetFontCache(); |
| } |
| CFX_FaceCache* pFaceCache = pCache->GetCachedFace(pFont); |
| FX_FONTCACHE_DEFINE(pCache, 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 << FX_BSTRC("/X") << ps_fontnum << FX_BSTRC(" Ff ") << font_size |
| << FX_BSTRC(" Fs Sf "); |
| last_fontnum = ps_fontnum; |
| } |
| buf << pCharPos[i].m_OriginX << FX_BSTRC(" ") |
| << pCharPos[i].m_OriginY << FX_BSTRC(" m"); |
| CFX_ByteString hex; |
| hex.Format("<%02X>", ps_glyphindex); |
| buf << hex << FX_BSTRC("Tj\n"); |
| } |
| buf << FX_BSTRC("Q\n"); |
| m_pOutput->OutputPS((FX_LPCSTR)buf.GetBuffer(), buf.GetSize()); |
| return TRUE; |
| } |
| void CFX_PSRenderer::WritePSBinary(FX_LPCBYTE data, int len) |
| { |
| FX_LPBYTE dest_buf; |
| FX_DWORD dest_size; |
| CCodec_ModuleMgr* pEncoders = CFX_GEModule::Get()->GetCodecModule(); |
| if (pEncoders && pEncoders->GetBasicModule()->A85Encode(data, len, dest_buf, dest_size)) { |
| m_pOutput->OutputPS((FX_LPCSTR)dest_buf, dest_size); |
| FX_Free(dest_buf); |
| } else { |
| m_pOutput->OutputPS((FX_LPCSTR)data, len); |
| } |
| } |
