diff options
Diffstat (limited to 'core/src/fpdfapi/fpdf_render/fpdf_render_text.cpp')
| -rw-r--r-- | core/src/fpdfapi/fpdf_render/fpdf_render_text.cpp | 788 |
1 files changed, 0 insertions, 788 deletions
diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render_text.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render_text.cpp deleted file mode 100644 index c817c7c374..0000000000 --- a/core/src/fpdfapi/fpdf_render/fpdf_render_text.cpp +++ /dev/null @@ -1,788 +0,0 @@ -// 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/src/fpdfapi/fpdf_render/render_int.h" - -#include "core/include/fpdfapi/cpdf_dictionary.h" -#include "core/include/fpdfapi/cpdf_document.h" -#include "core/include/fpdfapi/fpdf_pageobj.h" -#include "core/include/fpdfapi/fpdf_render.h" -#include "core/include/fxge/fx_ge.h" -#include "core/src/fpdfapi/fpdf_page/pageint.h" - -CPDF_Type3Cache::~CPDF_Type3Cache() { - for (const auto& pair : m_SizeMap) { - delete pair.second; - } - m_SizeMap.clear(); -} -CFX_GlyphBitmap* CPDF_Type3Cache::LoadGlyph(FX_DWORD charcode, - const CFX_Matrix* pMatrix, - FX_FLOAT retinaScaleX, - FX_FLOAT retinaScaleY) { - _CPDF_UniqueKeyGen keygen; - keygen.Generate( - 4, FXSYS_round(pMatrix->a * 10000), FXSYS_round(pMatrix->b * 10000), - FXSYS_round(pMatrix->c * 10000), FXSYS_round(pMatrix->d * 10000)); - CFX_ByteStringC FaceGlyphsKey(keygen.m_Key, keygen.m_KeyLen); - CPDF_Type3Glyphs* pSizeCache; - auto it = m_SizeMap.find(FaceGlyphsKey); - if (it == m_SizeMap.end()) { - pSizeCache = new CPDF_Type3Glyphs; - m_SizeMap[FaceGlyphsKey] = pSizeCache; - } else { - pSizeCache = it->second; - } - auto it2 = pSizeCache->m_GlyphMap.find(charcode); - if (it2 != pSizeCache->m_GlyphMap.end()) - return it2->second; - - CFX_GlyphBitmap* pGlyphBitmap = - RenderGlyph(pSizeCache, charcode, pMatrix, retinaScaleX, retinaScaleY); - pSizeCache->m_GlyphMap[charcode] = pGlyphBitmap; - return pGlyphBitmap; -} -CPDF_Type3Glyphs::~CPDF_Type3Glyphs() { - for (const auto& pair : m_GlyphMap) - delete pair.second; -} -static int _AdjustBlue(FX_FLOAT pos, int& count, int blues[]) { - FX_FLOAT min_distance = 1000000.0f * 1.0f; - int closest_pos = -1; - for (int i = 0; i < count; i++) { - FX_FLOAT distance = (FX_FLOAT)FXSYS_fabs(pos - (FX_FLOAT)blues[i]); - if (distance < 1.0f * 80.0f / 100.0f && distance < min_distance) { - min_distance = distance; - closest_pos = i; - } - } - if (closest_pos >= 0) { - return blues[closest_pos]; - } - int new_pos = FXSYS_round(pos); - if (count == TYPE3_MAX_BLUES) { - return new_pos; - } - blues[count++] = new_pos; - return new_pos; -} -void CPDF_Type3Glyphs::AdjustBlue(FX_FLOAT top, - FX_FLOAT bottom, - int& top_line, - int& bottom_line) { - top_line = _AdjustBlue(top, m_TopBlueCount, m_TopBlue); - bottom_line = _AdjustBlue(bottom, m_BottomBlueCount, m_BottomBlue); -} - -static FX_BOOL _IsScanLine1bpp(uint8_t* pBuf, int width) { - int size = width / 8; - for (int i = 0; i < size; i++) { - if (pBuf[i]) - return TRUE; - } - return (width % 8) && (pBuf[width / 8] & (0xff << (8 - width % 8))); -} - -static FX_BOOL _IsScanLine8bpp(uint8_t* pBuf, int width) { - for (int i = 0; i < width; i++) { - if (pBuf[i] > 0x40) - return TRUE; - } - return FALSE; -} - -static int _DetectFirstLastScan(const CFX_DIBitmap* pBitmap, FX_BOOL bFirst) { - int height = pBitmap->GetHeight(), pitch = pBitmap->GetPitch(), - width = pBitmap->GetWidth(); - int bpp = pBitmap->GetBPP(); - if (bpp > 8) { - width *= bpp / 8; - } - uint8_t* pBuf = pBitmap->GetBuffer(); - int line = bFirst ? 0 : height - 1; - int line_step = bFirst ? 1 : -1; - int line_end = bFirst ? height : -1; - while (line != line_end) { - if (bpp == 1) { - if (_IsScanLine1bpp(pBuf + line * pitch, width)) { - return line; - } - } else { - if (_IsScanLine8bpp(pBuf + line * pitch, width)) { - return line; - } - } - line += line_step; - } - return -1; -} -CFX_GlyphBitmap* CPDF_Type3Cache::RenderGlyph(CPDF_Type3Glyphs* pSize, - FX_DWORD charcode, - const CFX_Matrix* pMatrix, - FX_FLOAT retinaScaleX, - FX_FLOAT retinaScaleY) { - const CPDF_Type3Char* pChar = m_pFont->LoadChar(charcode); - if (!pChar || !pChar->m_pBitmap) - return nullptr; - - CFX_DIBitmap* pBitmap = pChar->m_pBitmap; - CFX_Matrix image_matrix, text_matrix; - image_matrix = pChar->m_ImageMatrix; - text_matrix.Set(pMatrix->a, pMatrix->b, pMatrix->c, pMatrix->d, 0, 0); - image_matrix.Concat(text_matrix); - CFX_DIBitmap* pResBitmap = NULL; - int left, top; - if (FXSYS_fabs(image_matrix.b) < FXSYS_fabs(image_matrix.a) / 100 && - FXSYS_fabs(image_matrix.c) < FXSYS_fabs(image_matrix.d) / 100) { - int top_line, bottom_line; - top_line = _DetectFirstLastScan(pBitmap, TRUE); - bottom_line = _DetectFirstLastScan(pBitmap, FALSE); - if (top_line == 0 && bottom_line == pBitmap->GetHeight() - 1) { - FX_FLOAT top_y = image_matrix.d + image_matrix.f; - FX_FLOAT bottom_y = image_matrix.f; - FX_BOOL bFlipped = top_y > bottom_y; - if (bFlipped) { - FX_FLOAT temp = top_y; - top_y = bottom_y; - bottom_y = temp; - } - pSize->AdjustBlue(top_y, bottom_y, top_line, bottom_line); - pResBitmap = pBitmap->StretchTo( - (int)(FXSYS_round(image_matrix.a) * retinaScaleX), - (int)((bFlipped ? top_line - bottom_line : bottom_line - top_line) * - retinaScaleY)); - top = top_line; - if (image_matrix.a < 0) { - image_matrix.Scale(retinaScaleX, retinaScaleY); - left = FXSYS_round(image_matrix.e + image_matrix.a); - } else { - left = FXSYS_round(image_matrix.e); - } - } else { - } - } - if (!pResBitmap) { - image_matrix.Scale(retinaScaleX, retinaScaleY); - pResBitmap = pBitmap->TransformTo(&image_matrix, left, top); - } - if (!pResBitmap) { - return NULL; - } - CFX_GlyphBitmap* pGlyph = new CFX_GlyphBitmap; - pGlyph->m_Left = left; - pGlyph->m_Top = -top; - pGlyph->m_Bitmap.TakeOver(pResBitmap); - delete pResBitmap; - return pGlyph; -} -void _CPDF_UniqueKeyGen::Generate(int count, ...) { - va_list argList; - va_start(argList, count); - for (int i = 0; i < count; i++) { - int p = va_arg(argList, int); - ((FX_DWORD*)m_Key)[i] = p; - } - va_end(argList); - m_KeyLen = count * sizeof(FX_DWORD); -} -FX_BOOL CPDF_RenderStatus::ProcessText(const CPDF_TextObject* textobj, - const CFX_Matrix* pObj2Device, - CFX_PathData* pClippingPath) { - if (textobj->m_nChars == 0) { - return TRUE; - } - int text_render_mode = textobj->m_TextState.GetObject()->m_TextMode; - if (text_render_mode == 3) { - return TRUE; - } - CPDF_Font* pFont = textobj->m_TextState.GetFont(); - if (pFont->IsType3Font()) { - return ProcessType3Text(textobj, pObj2Device); - } - FX_BOOL bFill = FALSE, bStroke = FALSE, bClip = FALSE; - if (pClippingPath) { - bClip = TRUE; - } else { - switch (text_render_mode) { - case 0: - case 4: - bFill = TRUE; - break; - case 1: - case 5: - if (!pFont->GetFace() && - !(pFont->GetSubstFont()->m_SubstFlags & FXFONT_SUBST_GLYPHPATH)) { - bFill = TRUE; - } else { - bStroke = TRUE; - } - break; - case 2: - case 6: - if (!pFont->GetFace() && - !(pFont->GetSubstFont()->m_SubstFlags & FXFONT_SUBST_GLYPHPATH)) { - bFill = TRUE; - } else { - bFill = bStroke = TRUE; - } - break; - case 3: - case 7: - return TRUE; - default: - bFill = TRUE; - } - } - FX_ARGB stroke_argb = 0, fill_argb = 0; - FX_BOOL bPattern = FALSE; - if (bStroke) { - if (textobj->m_ColorState.GetStrokeColor()->IsPattern()) { - bPattern = TRUE; - } else { - stroke_argb = GetStrokeArgb(textobj); - } - } - if (bFill) { - if (textobj->m_ColorState.GetFillColor()->IsPattern()) { - bPattern = TRUE; - } else { - fill_argb = GetFillArgb(textobj); - } - } - CFX_Matrix text_matrix; - textobj->GetTextMatrix(&text_matrix); - if (IsAvailableMatrix(text_matrix) == FALSE) { - return TRUE; - } - FX_FLOAT font_size = textobj->m_TextState.GetFontSize(); - if (bPattern) { - DrawTextPathWithPattern(textobj, pObj2Device, pFont, font_size, - &text_matrix, bFill, bStroke); - return TRUE; - } - if (bClip || bStroke) { - const CFX_Matrix* pDeviceMatrix = pObj2Device; - CFX_Matrix device_matrix; - if (bStroke) { - const FX_FLOAT* pCTM = textobj->m_TextState.GetObject()->m_CTM; - if (pCTM[0] != 1.0f || pCTM[3] != 1.0f) { - CFX_Matrix ctm(pCTM[0], pCTM[1], pCTM[2], pCTM[3], 0, 0); - text_matrix.ConcatInverse(ctm); - device_matrix.Copy(ctm); - device_matrix.Concat(*pObj2Device); - pDeviceMatrix = &device_matrix; - } - } - int flag = 0; - if (bStroke && bFill) { - flag |= FX_FILL_STROKE; - flag |= FX_STROKE_TEXT_MODE; - } - const CPDF_GeneralStateData* pGeneralData = - ((CPDF_PageObject*)textobj)->m_GeneralState; - if (pGeneralData && pGeneralData->m_StrokeAdjust) { - flag |= FX_STROKE_ADJUST; - } - if (m_Options.m_Flags & RENDER_NOTEXTSMOOTH) { - flag |= FXFILL_NOPATHSMOOTH; - } - return CPDF_TextRenderer::DrawTextPath( - m_pDevice, textobj->m_nChars, textobj->m_pCharCodes, - textobj->m_pCharPos, pFont, font_size, &text_matrix, pDeviceMatrix, - textobj->m_GraphState, fill_argb, stroke_argb, pClippingPath, flag); - } - text_matrix.Concat(*pObj2Device); - return CPDF_TextRenderer::DrawNormalText( - m_pDevice, textobj->m_nChars, textobj->m_pCharCodes, textobj->m_pCharPos, - pFont, font_size, &text_matrix, fill_argb, &m_Options); -} -CPDF_Type3Cache* CPDF_RenderStatus::GetCachedType3(CPDF_Type3Font* pFont) { - if (!pFont->m_pDocument) { - return NULL; - } - pFont->m_pDocument->GetPageData()->GetFont(pFont->GetFontDict(), FALSE); - return pFont->m_pDocument->GetRenderData()->GetCachedType3(pFont); -} -static void ReleaseCachedType3(CPDF_Type3Font* pFont) { - if (!pFont->m_pDocument) { - return; - } - pFont->m_pDocument->GetRenderData()->ReleaseCachedType3(pFont); - pFont->m_pDocument->GetPageData()->ReleaseFont(pFont->GetFontDict()); -} -FX_BOOL CPDF_Type3Char::LoadBitmap(CPDF_RenderContext* pContext) { - if (m_pBitmap || !m_pForm) { - return TRUE; - } - if (m_pForm->GetPageObjectList()->size() == 1 && !m_bColored) { - auto& pPageObj = m_pForm->GetPageObjectList()->front(); - if (pPageObj->IsImage()) { - m_ImageMatrix = pPageObj->AsImage()->m_Matrix; - const CFX_DIBSource* pSource = - pPageObj->AsImage()->m_pImage->LoadDIBSource(); - if (pSource) { - m_pBitmap = pSource->Clone(); - delete pSource; - } - delete m_pForm; - m_pForm = NULL; - return TRUE; - } - } - return FALSE; -} -class CPDF_RefType3Cache { - public: - CPDF_RefType3Cache(CPDF_Type3Font* pType3Font) { - m_dwCount = 0; - m_pType3Font = pType3Font; - } - ~CPDF_RefType3Cache() { - while (m_dwCount--) { - ReleaseCachedType3(m_pType3Font); - } - } - FX_DWORD m_dwCount; - CPDF_Type3Font* m_pType3Font; -}; -FX_BOOL CPDF_RenderStatus::ProcessType3Text(const CPDF_TextObject* textobj, - const CFX_Matrix* pObj2Device) { - CPDF_Type3Font* pType3Font = textobj->m_TextState.GetFont()->AsType3Font(); - for (int j = 0; j < m_Type3FontCache.GetSize(); j++) { - if (m_Type3FontCache.GetAt(j) == pType3Font) - return TRUE; - } - CFX_Matrix dCTM = m_pDevice->GetCTM(); - FX_FLOAT sa = FXSYS_fabs(dCTM.a); - FX_FLOAT sd = FXSYS_fabs(dCTM.d); - CFX_Matrix text_matrix; - textobj->GetTextMatrix(&text_matrix); - CFX_Matrix char_matrix = pType3Font->GetFontMatrix(); - FX_FLOAT font_size = textobj->m_TextState.GetFontSize(); - char_matrix.Scale(font_size, font_size); - FX_ARGB fill_argb = GetFillArgb(textobj, TRUE); - int fill_alpha = FXARGB_A(fill_argb); - int device_class = m_pDevice->GetDeviceClass(); - FXTEXT_GLYPHPOS* pGlyphAndPos = NULL; - if (device_class == FXDC_DISPLAY) { - pGlyphAndPos = FX_Alloc(FXTEXT_GLYPHPOS, textobj->m_nChars); - } else if (fill_alpha < 255) { - return FALSE; - } - CPDF_RefType3Cache refTypeCache(pType3Font); - FX_DWORD* pChars = textobj->m_pCharCodes; - if (textobj->m_nChars == 1) { - pChars = (FX_DWORD*)(&textobj->m_pCharCodes); - } - for (int iChar = 0; iChar < textobj->m_nChars; iChar++) { - FX_DWORD charcode = pChars[iChar]; - if (charcode == (FX_DWORD)-1) { - continue; - } - CPDF_Type3Char* pType3Char = pType3Font->LoadChar(charcode); - if (!pType3Char) { - continue; - } - CFX_Matrix matrix = char_matrix; - matrix.e += iChar ? textobj->m_pCharPos[iChar - 1] : 0; - matrix.Concat(text_matrix); - matrix.Concat(*pObj2Device); - if (!pType3Char->LoadBitmap(m_pContext)) { - if (pGlyphAndPos) { - for (int i = 0; i < iChar; i++) { - FXTEXT_GLYPHPOS& glyph = pGlyphAndPos[i]; - if (!glyph.m_pGlyph) { - continue; - } - m_pDevice->SetBitMask(&glyph.m_pGlyph->m_Bitmap, - glyph.m_OriginX + glyph.m_pGlyph->m_Left, - glyph.m_OriginY - glyph.m_pGlyph->m_Top, - fill_argb); - } - FX_Free(pGlyphAndPos); - pGlyphAndPos = NULL; - } - CPDF_GraphicStates* pStates = CloneObjStates(textobj, FALSE); - CPDF_RenderOptions Options = m_Options; - Options.m_Flags |= RENDER_FORCE_HALFTONE | RENDER_RECT_AA; - Options.m_Flags &= ~RENDER_FORCE_DOWNSAMPLE; - CPDF_Dictionary* pFormResource = NULL; - if (pType3Char->m_pForm && pType3Char->m_pForm->m_pFormDict) { - pFormResource = - pType3Char->m_pForm->m_pFormDict->GetDictBy("Resources"); - } - if (fill_alpha == 255) { - CPDF_RenderStatus status; - status.Initialize(m_pContext, m_pDevice, NULL, NULL, this, pStates, - &Options, pType3Char->m_pForm->m_Transparency, - m_bDropObjects, pFormResource, FALSE, pType3Char, - fill_argb); - status.m_Type3FontCache.Append(m_Type3FontCache); - status.m_Type3FontCache.Add(pType3Font); - m_pDevice->SaveState(); - status.RenderObjectList(pType3Char->m_pForm, &matrix); - m_pDevice->RestoreState(); - } else { - CFX_FloatRect rect_f = pType3Char->m_pForm->CalcBoundingBox(); - rect_f.Transform(&matrix); - FX_RECT rect = rect_f.GetOutterRect(); - CFX_FxgeDevice bitmap_device; - if (!bitmap_device.Create((int)(rect.Width() * sa), - (int)(rect.Height() * sd), FXDIB_Argb)) { - return TRUE; - } - bitmap_device.GetBitmap()->Clear(0); - CPDF_RenderStatus status; - status.Initialize(m_pContext, &bitmap_device, NULL, NULL, this, pStates, - &Options, pType3Char->m_pForm->m_Transparency, - m_bDropObjects, pFormResource, FALSE, pType3Char, - fill_argb); - status.m_Type3FontCache.Append(m_Type3FontCache); - status.m_Type3FontCache.Add(pType3Font); - matrix.TranslateI(-rect.left, -rect.top); - matrix.Scale(sa, sd); - status.RenderObjectList(pType3Char->m_pForm, &matrix); - m_pDevice->SetDIBits(bitmap_device.GetBitmap(), rect.left, rect.top); - } - delete pStates; - } else if (pType3Char->m_pBitmap) { - if (device_class == FXDC_DISPLAY) { - CPDF_Type3Cache* pCache = GetCachedType3(pType3Font); - refTypeCache.m_dwCount++; - CFX_GlyphBitmap* pBitmap = pCache->LoadGlyph(charcode, &matrix, sa, sd); - if (!pBitmap) { - continue; - } - int origin_x = FXSYS_round(matrix.e); - int origin_y = FXSYS_round(matrix.f); - if (pGlyphAndPos) { - pGlyphAndPos[iChar].m_pGlyph = pBitmap; - pGlyphAndPos[iChar].m_OriginX = origin_x; - pGlyphAndPos[iChar].m_OriginY = origin_y; - } else { - m_pDevice->SetBitMask(&pBitmap->m_Bitmap, origin_x + pBitmap->m_Left, - origin_y - pBitmap->m_Top, fill_argb); - } - } else { - CFX_Matrix image_matrix = pType3Char->m_ImageMatrix; - image_matrix.Concat(matrix); - CPDF_ImageRenderer renderer; - if (renderer.Start(this, pType3Char->m_pBitmap, fill_argb, 255, - &image_matrix, 0, FALSE)) { - renderer.Continue(NULL); - } - if (!renderer.m_Result) { - return FALSE; - } - } - } - } - if (pGlyphAndPos) { - FX_RECT rect = - FXGE_GetGlyphsBBox(pGlyphAndPos, textobj->m_nChars, 0, sa, sd); - CFX_DIBitmap bitmap; - if (!bitmap.Create((int)(rect.Width() * sa), (int)(rect.Height() * sd), - FXDIB_8bppMask)) { - FX_Free(pGlyphAndPos); - return TRUE; - } - bitmap.Clear(0); - for (int iChar = 0; iChar < textobj->m_nChars; iChar++) { - FXTEXT_GLYPHPOS& glyph = pGlyphAndPos[iChar]; - if (!glyph.m_pGlyph) { - continue; - } - bitmap.TransferBitmap( - (int)((glyph.m_OriginX + glyph.m_pGlyph->m_Left - rect.left) * sa), - (int)((glyph.m_OriginY - glyph.m_pGlyph->m_Top - rect.top) * sd), - glyph.m_pGlyph->m_Bitmap.GetWidth(), - glyph.m_pGlyph->m_Bitmap.GetHeight(), &glyph.m_pGlyph->m_Bitmap, 0, - 0); - } - m_pDevice->SetBitMask(&bitmap, rect.left, rect.top, fill_argb); - FX_Free(pGlyphAndPos); - } - return TRUE; -} -class CPDF_CharPosList { - public: - CPDF_CharPosList(); - ~CPDF_CharPosList(); - void Load(int nChars, - FX_DWORD* pCharCodes, - FX_FLOAT* pCharPos, - CPDF_Font* pFont, - FX_FLOAT font_size); - FXTEXT_CHARPOS* m_pCharPos; - FX_DWORD m_nChars; -}; - -CPDF_CharPosList::CPDF_CharPosList() { - m_pCharPos = NULL; -} -CPDF_CharPosList::~CPDF_CharPosList() { - FX_Free(m_pCharPos); -} -void CPDF_CharPosList::Load(int nChars, - FX_DWORD* pCharCodes, - FX_FLOAT* pCharPos, - CPDF_Font* pFont, - FX_FLOAT FontSize) { - m_pCharPos = FX_Alloc(FXTEXT_CHARPOS, nChars); - m_nChars = 0; - CPDF_CIDFont* pCIDFont = pFont->AsCIDFont(); - FX_BOOL bVertWriting = pCIDFont && pCIDFont->IsVertWriting(); - for (int iChar = 0; iChar < nChars; iChar++) { - FX_DWORD CharCode = - nChars == 1 ? (FX_DWORD)(uintptr_t)pCharCodes : pCharCodes[iChar]; - if (CharCode == (FX_DWORD)-1) { - continue; - } - FX_BOOL bVert = FALSE; - FXTEXT_CHARPOS& charpos = m_pCharPos[m_nChars++]; - if (pCIDFont) { - charpos.m_bFontStyle = pCIDFont->IsFontStyleFromCharCode(CharCode); - } - charpos.m_GlyphIndex = pFont->GlyphFromCharCode(CharCode, &bVert); -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - charpos.m_ExtGID = pFont->GlyphFromCharCodeExt(CharCode); -#endif - if (!pFont->IsEmbedded() && !pFont->IsCIDFont()) { - charpos.m_FontCharWidth = pFont->GetCharWidthF(CharCode); - } else { - charpos.m_FontCharWidth = 0; - } - charpos.m_OriginX = iChar ? pCharPos[iChar - 1] : 0; - charpos.m_OriginY = 0; - charpos.m_bGlyphAdjust = FALSE; - if (!pCIDFont) { - continue; - } - FX_WORD CID = pCIDFont->CIDFromCharCode(CharCode); - if (bVertWriting) { - charpos.m_OriginY = charpos.m_OriginX; - charpos.m_OriginX = 0; - short vx, vy; - pCIDFont->GetVertOrigin(CID, vx, vy); - charpos.m_OriginX -= FontSize * vx / 1000; - charpos.m_OriginY -= FontSize * vy / 1000; - } - const uint8_t* pTransform = pCIDFont->GetCIDTransform(CID); - if (pTransform && !bVert) { - charpos.m_AdjustMatrix[0] = pCIDFont->CIDTransformToFloat(pTransform[0]); - charpos.m_AdjustMatrix[2] = pCIDFont->CIDTransformToFloat(pTransform[2]); - charpos.m_AdjustMatrix[1] = pCIDFont->CIDTransformToFloat(pTransform[1]); - charpos.m_AdjustMatrix[3] = pCIDFont->CIDTransformToFloat(pTransform[3]); - charpos.m_OriginX += - pCIDFont->CIDTransformToFloat(pTransform[4]) * FontSize; - charpos.m_OriginY += - pCIDFont->CIDTransformToFloat(pTransform[5]) * FontSize; - charpos.m_bGlyphAdjust = TRUE; - } - } -} -FX_BOOL CPDF_TextRenderer::DrawTextPath(CFX_RenderDevice* pDevice, - int nChars, - FX_DWORD* pCharCodes, - FX_FLOAT* pCharPos, - CPDF_Font* pFont, - FX_FLOAT font_size, - const CFX_Matrix* pText2User, - const CFX_Matrix* pUser2Device, - const CFX_GraphStateData* pGraphState, - FX_ARGB fill_argb, - FX_ARGB stroke_argb, - CFX_PathData* pClippingPath, - int nFlag) { - CFX_FontCache* pCache = - pFont->m_pDocument ? pFont->m_pDocument->GetRenderData()->GetFontCache() - : NULL; - CPDF_CharPosList CharPosList; - CharPosList.Load(nChars, pCharCodes, pCharPos, pFont, font_size); - return pDevice->DrawTextPath(CharPosList.m_nChars, CharPosList.m_pCharPos, - &pFont->m_Font, pCache, font_size, pText2User, - pUser2Device, pGraphState, fill_argb, - stroke_argb, pClippingPath, nFlag); -} -void CPDF_TextRenderer::DrawTextString(CFX_RenderDevice* pDevice, - int left, - int top, - CPDF_Font* pFont, - int height, - const CFX_ByteString& str, - FX_ARGB argb) { - FX_RECT font_bbox; - pFont->GetFontBBox(font_bbox); - FX_FLOAT font_size = - (FX_FLOAT)height * 1000.0f / (FX_FLOAT)(font_bbox.top - font_bbox.bottom); - FX_FLOAT origin_x = (FX_FLOAT)left; - FX_FLOAT origin_y = - (FX_FLOAT)top + font_size * (FX_FLOAT)font_bbox.top / 1000.0f; - CFX_Matrix matrix(1.0f, 0, 0, -1.0f, 0, 0); - DrawTextString(pDevice, origin_x, origin_y, pFont, font_size, &matrix, str, - argb); -} -void CPDF_TextRenderer::DrawTextString(CFX_RenderDevice* pDevice, - FX_FLOAT origin_x, - FX_FLOAT origin_y, - CPDF_Font* pFont, - FX_FLOAT font_size, - const CFX_Matrix* pMatrix, - const CFX_ByteString& str, - FX_ARGB fill_argb, - FX_ARGB stroke_argb, - const CFX_GraphStateData* pGraphState, - const CPDF_RenderOptions* pOptions) { - int nChars = pFont->CountChar(str, str.GetLength()); - if (nChars == 0) { - return; - } - FX_DWORD charcode; - int offset = 0; - FX_DWORD* pCharCodes; - FX_FLOAT* pCharPos; - if (nChars == 1) { - charcode = pFont->GetNextChar(str, str.GetLength(), offset); - pCharCodes = (FX_DWORD*)(uintptr_t)charcode; - pCharPos = NULL; - } else { - pCharCodes = FX_Alloc(FX_DWORD, nChars); - pCharPos = FX_Alloc(FX_FLOAT, nChars - 1); - FX_FLOAT cur_pos = 0; - for (int i = 0; i < nChars; i++) { - pCharCodes[i] = pFont->GetNextChar(str, str.GetLength(), offset); - if (i) { - pCharPos[i - 1] = cur_pos; - } - cur_pos += pFont->GetCharWidthF(pCharCodes[i]) * font_size / 1000; - } - } - CFX_Matrix matrix; - if (pMatrix) - matrix = *pMatrix; - - matrix.e = origin_x; - matrix.f = origin_y; - - if (!pFont->IsType3Font()) { - if (stroke_argb == 0) { - DrawNormalText(pDevice, nChars, pCharCodes, pCharPos, pFont, font_size, - &matrix, fill_argb, pOptions); - } else { - DrawTextPath(pDevice, nChars, pCharCodes, pCharPos, pFont, font_size, - &matrix, NULL, pGraphState, fill_argb, stroke_argb, NULL); - } - } - - if (nChars > 1) { - FX_Free(pCharCodes); - FX_Free(pCharPos); - } -} -FX_BOOL CPDF_TextRenderer::DrawNormalText(CFX_RenderDevice* pDevice, - int nChars, - FX_DWORD* pCharCodes, - FX_FLOAT* pCharPos, - CPDF_Font* pFont, - FX_FLOAT font_size, - const CFX_Matrix* pText2Device, - FX_ARGB fill_argb, - const CPDF_RenderOptions* pOptions) { - CFX_FontCache* pCache = - pFont->m_pDocument ? pFont->m_pDocument->GetRenderData()->GetFontCache() - : NULL; - CPDF_CharPosList CharPosList; - CharPosList.Load(nChars, pCharCodes, pCharPos, pFont, font_size); - int FXGE_flags = 0; - if (pOptions) { - FX_DWORD dwFlags = pOptions->m_Flags; - if (dwFlags & RENDER_CLEARTYPE) { - FXGE_flags |= FXTEXT_CLEARTYPE; - if (dwFlags & RENDER_BGR_STRIPE) { - FXGE_flags |= FXTEXT_BGR_STRIPE; - } - } - if (dwFlags & RENDER_NOTEXTSMOOTH) { - FXGE_flags |= FXTEXT_NOSMOOTH; - } - if (dwFlags & RENDER_PRINTGRAPHICTEXT) { - FXGE_flags |= FXTEXT_PRINTGRAPHICTEXT; - } - if (dwFlags & RENDER_NO_NATIVETEXT) { - FXGE_flags |= FXTEXT_NO_NATIVETEXT; - } - if (dwFlags & RENDER_PRINTIMAGETEXT) { - FXGE_flags |= FXTEXT_PRINTIMAGETEXT; - } - } else { - FXGE_flags = FXTEXT_CLEARTYPE; - } - if (pFont->IsCIDFont()) { - FXGE_flags |= FXFONT_CIDFONT; - } - return pDevice->DrawNormalText(CharPosList.m_nChars, CharPosList.m_pCharPos, - &pFont->m_Font, pCache, font_size, - pText2Device, fill_argb, FXGE_flags); -} -void CPDF_RenderStatus::DrawTextPathWithPattern(const CPDF_TextObject* textobj, - const CFX_Matrix* pObj2Device, - CPDF_Font* pFont, - FX_FLOAT font_size, - const CFX_Matrix* pTextMatrix, - FX_BOOL bFill, - FX_BOOL bStroke) { - if (!bStroke) { - CPDF_PathObject path; - CPDF_TextObject* pCopy = textobj->Clone(); - path.m_bStroke = FALSE; - path.m_FillType = FXFILL_WINDING; - path.m_ClipPath.AppendTexts(&pCopy, 1); - path.m_ColorState = textobj->m_ColorState; - path.m_Path.New()->AppendRect(textobj->m_Left, textobj->m_Bottom, - textobj->m_Right, textobj->m_Top); - path.m_Left = textobj->m_Left; - path.m_Bottom = textobj->m_Bottom; - path.m_Right = textobj->m_Right; - path.m_Top = textobj->m_Top; - RenderSingleObject(&path, pObj2Device); - return; - } - CFX_FontCache* pCache; - if (pFont->m_pDocument) { - pCache = pFont->m_pDocument->GetRenderData()->GetFontCache(); - } else { - pCache = CFX_GEModule::Get()->GetFontCache(); - } - CFX_FaceCache* pFaceCache = pCache->GetCachedFace(&pFont->m_Font); - FX_FONTCACHE_DEFINE(pCache, &pFont->m_Font); - CPDF_CharPosList CharPosList; - CharPosList.Load(textobj->m_nChars, textobj->m_pCharCodes, - textobj->m_pCharPos, pFont, font_size); - for (FX_DWORD i = 0; i < CharPosList.m_nChars; i++) { - FXTEXT_CHARPOS& charpos = CharPosList.m_pCharPos[i]; - const CFX_PathData* pPath = pFaceCache->LoadGlyphPath( - &pFont->m_Font, charpos.m_GlyphIndex, charpos.m_FontCharWidth); - if (!pPath) { - continue; - } - CPDF_PathObject path; - path.m_GraphState = textobj->m_GraphState; - path.m_ColorState = textobj->m_ColorState; - 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(font_size, 0, 0, font_size, charpos.m_OriginX, - charpos.m_OriginY); - path.m_Path.New()->Append(pPath, &matrix); - path.m_Matrix = *pTextMatrix; - path.m_bStroke = bStroke; - path.m_FillType = bFill ? FXFILL_WINDING : 0; - path.CalcBoundingBox(); - ProcessPath(&path, pObj2Device); - } -} - |