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Unified Diff: core/fpdfapi/fpdf_font/cpdf_type3font.cpp

Issue 2392773003: Move core/fpdfapi/fpdf_font to core/fpdfapi/font (Closed)
Patch Set: Created 4 years, 2 months ago
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Index: core/fpdfapi/fpdf_font/cpdf_type3font.cpp
diff --git a/core/fpdfapi/fpdf_font/cpdf_type3font.cpp b/core/fpdfapi/fpdf_font/cpdf_type3font.cpp
deleted file mode 100644
index e43ccda9040892897cdfa8829bfd9ba95819dab3..0000000000000000000000000000000000000000
--- a/core/fpdfapi/fpdf_font/cpdf_type3font.cpp
+++ /dev/null
@@ -1,159 +0,0 @@
-// Copyright 2016 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/fpdfapi/fpdf_font/cpdf_type3font.h"
-
-#include <utility>
-
-#include "core/fpdfapi/fpdf_font/cpdf_type3char.h"
-#include "core/fpdfapi/fpdf_page/cpdf_form.h"
-#include "core/fpdfapi/fpdf_page/pageint.h"
-#include "core/fpdfapi/fpdf_parser/cpdf_array.h"
-#include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h"
-#include "core/fxcrt/fx_system.h"
-#include "third_party/base/stl_util.h"
-
-CPDF_Type3Font::CPDF_Type3Font()
- : m_pCharProcs(nullptr),
- m_pPageResources(nullptr),
- m_pFontResources(nullptr),
- m_CharLoadingDepth(0) {
- FXSYS_memset(m_CharWidthL, 0, sizeof(m_CharWidthL));
-}
-
-CPDF_Type3Font::~CPDF_Type3Font() {}
-
-bool CPDF_Type3Font::IsType3Font() const {
- return true;
-}
-
-const CPDF_Type3Font* CPDF_Type3Font::AsType3Font() const {
- return this;
-}
-
-CPDF_Type3Font* CPDF_Type3Font::AsType3Font() {
- return this;
-}
-
-bool CPDF_Type3Font::Load() {
- m_pFontResources = m_pFontDict->GetDictFor("Resources");
- CPDF_Array* pMatrix = m_pFontDict->GetArrayFor("FontMatrix");
- FX_FLOAT xscale = 1.0f, yscale = 1.0f;
- if (pMatrix) {
- m_FontMatrix = pMatrix->GetMatrix();
- xscale = m_FontMatrix.a;
- yscale = m_FontMatrix.d;
- }
- CPDF_Array* pBBox = m_pFontDict->GetArrayFor("FontBBox");
- if (pBBox) {
- m_FontBBox.left = (int32_t)(pBBox->GetNumberAt(0) * xscale * 1000);
- m_FontBBox.bottom = (int32_t)(pBBox->GetNumberAt(1) * yscale * 1000);
- m_FontBBox.right = (int32_t)(pBBox->GetNumberAt(2) * xscale * 1000);
- m_FontBBox.top = (int32_t)(pBBox->GetNumberAt(3) * yscale * 1000);
- }
- int StartChar = m_pFontDict->GetIntegerFor("FirstChar");
- CPDF_Array* pWidthArray = m_pFontDict->GetArrayFor("Widths");
- if (pWidthArray && (StartChar >= 0 && StartChar < 256)) {
- size_t count = pWidthArray->GetCount();
- if (count > 256)
- count = 256;
- if (StartChar + count > 256)
- count = 256 - StartChar;
- for (size_t i = 0; i < count; i++) {
- m_CharWidthL[StartChar + i] =
- FXSYS_round(pWidthArray->GetNumberAt(i) * xscale * 1000);
- }
- }
- m_pCharProcs = m_pFontDict->GetDictFor("CharProcs");
- CPDF_Object* pEncoding = m_pFontDict->GetDirectObjectFor("Encoding");
- if (pEncoding) {
- LoadPDFEncoding(pEncoding, m_BaseEncoding, &m_CharNames, false, false);
- if (!m_CharNames.empty()) {
- for (int i = 0; i < 256; i++) {
- m_Encoding.m_Unicodes[i] =
- PDF_UnicodeFromAdobeName(m_CharNames[i].c_str());
- if (m_Encoding.m_Unicodes[i] == 0) {
- m_Encoding.m_Unicodes[i] = i;
- }
- }
- }
- }
- return true;
-}
-
-void CPDF_Type3Font::CheckType3FontMetrics() {
- CheckFontMetrics();
-}
-
-CPDF_Type3Char* CPDF_Type3Font::LoadChar(uint32_t charcode) {
- if (m_CharLoadingDepth >= _FPDF_MAX_TYPE3_FORM_LEVEL_)
- return nullptr;
-
- auto it = m_CacheMap.find(charcode);
- if (it != m_CacheMap.end())
- return it->second.get();
-
- const FX_CHAR* name = GetAdobeCharName(m_BaseEncoding, m_CharNames, charcode);
- if (!name)
- return nullptr;
-
- CPDF_Stream* pStream =
- ToStream(m_pCharProcs ? m_pCharProcs->GetDirectObjectFor(name) : nullptr);
- if (!pStream)
- return nullptr;
-
- std::unique_ptr<CPDF_Type3Char> pNewChar(new CPDF_Type3Char(new CPDF_Form(
- m_pDocument, m_pFontResources ? m_pFontResources : m_pPageResources,
- pStream, nullptr)));
-
- // This can trigger recursion into this method. The content of |m_CacheMap|
- // can change as a result. Thus after it returns, check the cache again for
- // a cache hit.
- m_CharLoadingDepth++;
- pNewChar->m_pForm->ParseContent(nullptr, nullptr, pNewChar.get());
- m_CharLoadingDepth--;
- it = m_CacheMap.find(charcode);
- if (it != m_CacheMap.end())
- return it->second.get();
-
- FX_FLOAT scale = m_FontMatrix.GetXUnit();
- pNewChar->m_Width = (int32_t)(pNewChar->m_Width * scale + 0.5f);
- FX_RECT& rcBBox = pNewChar->m_BBox;
- CFX_FloatRect char_rect(
- (FX_FLOAT)rcBBox.left / 1000.0f, (FX_FLOAT)rcBBox.bottom / 1000.0f,
- (FX_FLOAT)rcBBox.right / 1000.0f, (FX_FLOAT)rcBBox.top / 1000.0f);
- if (rcBBox.right <= rcBBox.left || rcBBox.bottom >= rcBBox.top)
- char_rect = pNewChar->m_pForm->CalcBoundingBox();
-
- char_rect.Transform(&m_FontMatrix);
- rcBBox.left = FXSYS_round(char_rect.left * 1000);
- rcBBox.right = FXSYS_round(char_rect.right * 1000);
- rcBBox.top = FXSYS_round(char_rect.top * 1000);
- rcBBox.bottom = FXSYS_round(char_rect.bottom * 1000);
-
- ASSERT(!pdfium::ContainsKey(m_CacheMap, charcode));
- m_CacheMap[charcode] = std::move(pNewChar);
- CPDF_Type3Char* pCachedChar = m_CacheMap[charcode].get();
- if (pCachedChar->m_pForm->GetPageObjectList()->empty())
- pCachedChar->m_pForm.reset();
- return pCachedChar;
-}
-
-int CPDF_Type3Font::GetCharWidthF(uint32_t charcode) {
- if (charcode >= FX_ArraySize(m_CharWidthL))
- charcode = 0;
-
- if (m_CharWidthL[charcode])
- return m_CharWidthL[charcode];
-
- const CPDF_Type3Char* pChar = LoadChar(charcode);
- return pChar ? pChar->m_Width : 0;
-}
-
-FX_RECT CPDF_Type3Font::GetCharBBox(uint32_t charcode) {
- const CPDF_Type3Char* pChar = LoadChar(charcode);
- return pChar ? pChar->m_BBox : FX_RECT();
-}
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