diff options
Diffstat (limited to 'core/fpdfapi')
| -rw-r--r-- | core/fpdfapi/fpdf_render/fpdf_render_text.cpp | 101 |
1 files changed, 51 insertions, 50 deletions
diff --git a/core/fpdfapi/fpdf_render/fpdf_render_text.cpp b/core/fpdfapi/fpdf_render/fpdf_render_text.cpp index 225b6726e2..221d04fd70 100644 --- a/core/fpdfapi/fpdf_render/fpdf_render_text.cpp +++ b/core/fpdfapi/fpdf_render/fpdf_render_text.cpp @@ -348,13 +348,15 @@ class CPDF_RefType3Cache { uint32_t 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) + for (int i = 0; i < m_Type3FontCache.GetSize(); ++i) { + if (m_Type3FontCache.GetAt(i) == pType3Font) return TRUE; } + CFX_Matrix dCTM = m_pDevice->GetCTM(); FX_FLOAT sa = FXSYS_fabs(dCTM.a); FX_FLOAT sd = FXSYS_fabs(dCTM.d); @@ -366,44 +368,43 @@ FX_BOOL CPDF_RenderStatus::ProcessType3Text(const CPDF_TextObject* textobj, 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) { + std::vector<FXTEXT_GLYPHPOS> glyphs; + if (device_class == FXDC_DISPLAY) + glyphs.resize(textobj->m_nChars); + else if (fill_alpha < 255) return FALSE; - } + CPDF_RefType3Cache refTypeCache(pType3Font); uint32_t* pChars = textobj->m_pCharCodes; - if (textobj->m_nChars == 1) { + if (textobj->m_nChars == 1) pChars = (uint32_t*)(&textobj->m_pCharCodes); - } + for (int iChar = 0; iChar < textobj->m_nChars; iChar++) { uint32_t charcode = pChars[iChar]; - if (charcode == (uint32_t)-1) { + if (charcode == (uint32_t)-1) continue; - } + CPDF_Type3Char* pType3Char = pType3Font->LoadChar(charcode); - if (!pType3Char) { + 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) { + if (!glyphs.empty()) { for (int i = 0; i < iChar; i++) { - FXTEXT_GLYPHPOS& glyph = pGlyphAndPos[i]; - if (!glyph.m_pGlyph) { + const FXTEXT_GLYPHPOS& glyph = glyphs[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; + glyphs.clear(); } CPDF_GraphicStates* pStates = CloneObjStates(textobj, FALSE); CPDF_RenderOptions Options = m_Options; @@ -453,18 +454,18 @@ FX_BOOL CPDF_RenderStatus::ProcessType3Text(const CPDF_TextObject* textobj, CPDF_Type3Cache* pCache = GetCachedType3(pType3Font); refTypeCache.m_dwCount++; CFX_GlyphBitmap* pBitmap = pCache->LoadGlyph(charcode, &matrix, sa, sd); - if (!pBitmap) { + 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 { + if (glyphs.empty()) { m_pDevice->SetBitMask(&pBitmap->m_Bitmap, origin_x + pBitmap->m_Left, origin_y - pBitmap->m_Top, fill_argb); + } else { + glyphs[iChar].m_pGlyph = pBitmap; + glyphs[iChar].m_OriginX = origin_x; + glyphs[iChar].m_OriginY = origin_y; } } else { CFX_Matrix image_matrix = pType3Char->m_ImageMatrix; @@ -479,33 +480,33 @@ FX_BOOL CPDF_RenderStatus::ProcessType3Text(const CPDF_TextObject* textobj, } } } - 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); + + if (glyphs.empty()) + return TRUE; + + FX_RECT rect = FXGE_GetGlyphsBBox(glyphs, 0, sa, sd); + CFX_DIBitmap bitmap; + if (!bitmap.Create(static_cast<int>(rect.Width() * sa), + static_cast<int>(rect.Height() * sd), FXDIB_8bppMask)) { + return TRUE; } + bitmap.Clear(0); + for (const FXTEXT_GLYPHPOS& glyph : glyphs) { + if (!glyph.m_pGlyph) + continue; + + bitmap.TransferBitmap( + static_cast<int>( + (glyph.m_OriginX + glyph.m_pGlyph->m_Left - rect.left) * sa), + static_cast<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); return TRUE; } + class CPDF_CharPosList { public: CPDF_CharPosList(); |