// 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); | |
} | |
} |