blob: 32f2fce9145c5cffc76f7fa333f26abbaa7dbd48 [file] [log] [blame]
// 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/include/fxge/fx_ge.h"
#include "core/fxge/ge/fx_text_int.h"
#include "core/include/fxcodec/fx_codec.h"
struct PSGlyph {
CFX_Font* m_pFont;
uint32_t m_GlyphIndex;
FX_BOOL m_bGlyphAdjust;
FX_FLOAT m_AdjustMatrix[4];
};
class CPSFont {
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_Matrix* pObject2Device) {
int nPoints = pPathData->GetPointCount();
CFX_ByteTextBuf buf;
buf.EstimateSize(nPoints * 10);
for (int i = 0; i < nPoints; i++) {
uint8_t flag = pPathData->GetFlag(i);
FX_FLOAT x = pPathData->GetPointX(i);
FX_FLOAT y = pPathData->GetPointY(i);
if (pObject2Device) {
pObject2Device->Transform(x, y);
}
buf << x << " " << y;
switch (flag & FXPT_TYPE) {
case FXPT_MOVETO:
buf << " m ";
break;
case FXPT_LINETO:
if (flag & FXPT_CLOSEFIGURE) {
buf << " l h ";
} else {
buf << " 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 << " " << x1 << " " << y1 << " " << x2 << " " << y2;
if (flag & FXPT_CLOSEFIGURE) {
buf << " c h\n";
} else {
buf << " c\n";
}
i += 2;
break;
}
}
}
m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
}
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.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_Matrix* pObject2Device,
const CFX_GraphStateData* pGraphState) {
StartRendering();
SetGraphState(pGraphState);
if (pObject2Device) {
CFX_ByteTextBuf buf;
buf << "mx Cm [" << pObject2Device->a << " " << pObject2Device->b << " "
<< pObject2Device->c << " " << pObject2Device->d << " "
<< pObject2Device->e << " " << pObject2Device->f << "]cm ";
m_pOutput->OutputPS((const FX_CHAR*)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_Matrix* pObject2Device,
const CFX_GraphStateData* pGraphState,
uint32_t fill_color,
uint32_t 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 << "mx Cm [" << pObject2Device->a << " " << pObject2Device->b << " "
<< pObject2Device->c << " " << pObject2Device->d << " "
<< pObject2Device->e << " " << pObject2Device->f << "]cm ";
m_pOutput->OutputPS((const FX_CHAR*)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 << " J\n";
}
if (!m_bGraphStateSet ||
m_CurGraphState.m_DashCount != pGraphState->m_DashCount ||
FXSYS_memcmp(m_CurGraphState.m_DashArray, pGraphState->m_DashArray,
sizeof(FX_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.GetSize()) {
m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
}
}
static void FaxCompressData(uint8_t* src_buf,
int width,
int height,
uint8_t*& dest_buf,
uint32_t& 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,
uint8_t* src_buf,
uint32_t src_size,
uint8_t*& output_buf,
uint32_t& output_size,
const FX_CHAR*& filter) {
output_buf = src_buf;
output_size = src_size;
filter = "";
if (src_size < 1024) {
return;
}
CCodec_ModuleMgr* pEncoders = CFX_GEModule::Get()->GetCodecModule();
uint8_t* dest_buf = NULL;
uint32_t 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;
FX_Free(dest_buf);
}
}
FX_BOOL CFX_PSRenderer::SetDIBits(const CFX_DIBSource* pSource,
uint32_t color,
int left,
int top,
int alpha_flag,
void* pIccTransform) {
StartRendering();
CFX_Matrix 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,
uint32_t color,
int dest_left,
int dest_top,
int dest_width,
int dest_height,
uint32_t flags,
int alpha_flag,
void* pIccTransform) {
StartRendering();
CFX_Matrix 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,
uint32_t color,
const CFX_Matrix* pMatrix,
uint32_t 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 << "[" << 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);
FXSYS_memcpy(src_buf + row * pitch, src_scan, pitch);
}
uint8_t* output_buf;
uint32_t output_size;
FaxCompressData(src_buf, width, height, output_buf, output_size);
if (pSource->IsAlphaMask()) {
SetColor(color, alpha_flag, pIccTransform);
m_bColorSet = FALSE;
buf << " true[";
} else {
buf << " 1[";
}
buf << width << " 0 0 -" << height << " 0 " << height
<< "]currentfile/ASCII85Decode filter ";
if (output_buf != 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_pOutput->OutputPS((const FX_CHAR*)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()) {
pConverted = pSource->CloneConvert(FXDIB_Rgb);
}
break;
case FXDIB_1bppCmyk:
pConverted = pSource->CloneConvert(FXDIB_Cmyk);
break;
case FXDIB_8bppCmyk:
if (pSource->GetPalette()) {
pConverted = pSource->CloneConvert(FXDIB_Cmyk);
}
break;
default:
break;
}
}
if (!pConverted) {
OUTPUT_PS("\nQ\n");
return FALSE;
}
int Bpp = pConverted->GetBPP() / 8;
uint8_t* output_buf = NULL;
FX_STRSIZE output_size = 0;
const FX_CHAR* 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) {
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 {
FXSYS_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;
}
if (pConverted != pSource) {
delete pConverted;
pConverted = NULL;
}
buf << " 8[";
buf << width << " 0 0 -" << height << " 0 " << height << "]";
buf << "currentfile/ASCII85Decode filter ";
if (filter) {
buf << filter;
}
buf << "false " << Bpp;
buf << " colorimage\n";
m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
WritePSBinary(output_buf, output_size);
FX_Free(output_buf);
}
OUTPUT_PS("\nQ\n");
return TRUE;
}
void CFX_PSRenderer::SetColor(uint32_t 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);
uint8_t* pColor = (uint8_t*)&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 << " "
<< 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_pOutput->OutputPS((const FX_CHAR*)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 = new CPSFont;
pPSFont->m_nGlyphs = 0;
m_PSFontList.Add(pPSFont);
CFX_ByteTextBuf 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" << m_PSFontList.GetSize() - 1 << " exch definefont pop\n";
m_pOutput->OutputPS((const FX_CHAR*)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_Matrix 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) {
return;
}
CFX_PathData TransformedPath(*pPathData);
if (charpos.m_bGlyphAdjust) {
TransformedPath.Transform(&matrix);
}
CFX_ByteTextBuf buf;
buf << "/X" << ps_fontnum << " Ff/CharProcs get begin/" << ps_glyphindex
<< "{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 << " " << y << " m\n";
break;
}
case FXPT_LINETO: {
buf << x << " " << y << " l\n";
break;
}
case FXPT_BEZIERTO: {
buf << x << " " << y << " " << TransformedPath.GetPointX(p + 1) << " "
<< TransformedPath.GetPointY(p + 1) << " "
<< TransformedPath.GetPointX(p + 2) << " "
<< TransformedPath.GetPointY(p + 2) << " c\n";
p += 2;
break;
}
}
}
buf << "f}bind def end\n";
buf << "/X" << ps_fontnum << " Ff/Encoding get " << ps_glyphindex << "/"
<< ps_glyphindex << " put\n";
m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
}
FX_BOOL CFX_PSRenderer::DrawText(int nChars,
const FXTEXT_CHARPOS* pCharPos,
CFX_Font* pFont,
CFX_FontCache* pCache,
const CFX_Matrix* pObject2Device,
FX_FLOAT font_size,
uint32_t 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 << "q[" << pObject2Device->a << " " << pObject2Device->b << " "
<< pObject2Device->c << " " << pObject2Device->d << " "
<< pObject2Device->e << " " << pObject2Device->f << "]cm\n";
if (!pCache) {
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 << "/X" << ps_fontnum << " Ff " << font_size << " Fs Sf ";
last_fontnum = ps_fontnum;
}
buf << pCharPos[i].m_OriginX << " " << pCharPos[i].m_OriginY << " m";
CFX_ByteString hex;
hex.Format("<%02X>", ps_glyphindex);
buf << hex << "Tj\n";
}
buf << "Q\n";
m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
return TRUE;
}
void CFX_PSRenderer::WritePSBinary(const uint8_t* data, int len) {
uint8_t* dest_buf;
uint32_t dest_size;
CCodec_ModuleMgr* pEncoders = CFX_GEModule::Get()->GetCodecModule();
if (pEncoders &&
pEncoders->GetBasicModule()->A85Encode(data, len, dest_buf, dest_size)) {
m_pOutput->OutputPS((const FX_CHAR*)dest_buf, dest_size);
FX_Free(dest_buf);
} else {
m_pOutput->OutputPS((const FX_CHAR*)data, len);
}
}