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Unified Diff: core/fpdfapi/fpdf_page/cpdf_page.cpp

Issue 2386423004: Move core/fpdfapi/fpdf_page to core/fpdfapi/page (Closed)
Patch Set: Rebase to master Created 4 years, 2 months ago
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Index: core/fpdfapi/fpdf_page/cpdf_page.cpp
diff --git a/core/fpdfapi/fpdf_page/cpdf_page.cpp b/core/fpdfapi/fpdf_page/cpdf_page.cpp
deleted file mode 100644
index 7c4b2bb2038d3a3af4a2b3d67e48b64f8dd2e6e5..0000000000000000000000000000000000000000
--- a/core/fpdfapi/fpdf_page/cpdf_page.cpp
+++ /dev/null
@@ -1,176 +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_page/cpdf_page.h"
-
-#include <set>
-
-#include "core/fpdfapi/cpdf_pagerendercontext.h"
-#include "core/fpdfapi/fpdf_page/cpdf_pageobject.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/fpdfapi/fpdf_parser/cpdf_object.h"
-#include "core/fpdfapi/fpdf_render/cpdf_pagerendercache.h"
-#include "third_party/base/stl_util.h"
-
-CPDF_Page::CPDF_Page(CPDF_Document* pDocument,
- CPDF_Dictionary* pPageDict,
- bool bPageCache)
- : m_PageWidth(100),
- m_PageHeight(100),
- m_pView(nullptr),
- m_pPageRender(bPageCache ? new CPDF_PageRenderCache(this) : nullptr) {
- m_pFormDict = pPageDict;
- m_pDocument = pDocument;
- if (!pPageDict)
- return;
-
- CPDF_Object* pageAttr = GetPageAttr("Resources");
- m_pResources = pageAttr ? pageAttr->GetDict() : nullptr;
- m_pPageResources = m_pResources;
- CPDF_Object* pRotate = GetPageAttr("Rotate");
- int rotate = pRotate ? pRotate->GetInteger() / 90 % 4 : 0;
- if (rotate < 0)
- rotate += 4;
-
- CPDF_Array* pMediaBox = ToArray(GetPageAttr("MediaBox"));
- CFX_FloatRect mediabox;
- if (pMediaBox) {
- mediabox = pMediaBox->GetRect();
- mediabox.Normalize();
- }
- if (mediabox.IsEmpty())
- mediabox = CFX_FloatRect(0, 0, 612, 792);
-
- CPDF_Array* pCropBox = ToArray(GetPageAttr("CropBox"));
- if (pCropBox) {
- m_BBox = pCropBox->GetRect();
- m_BBox.Normalize();
- }
- if (m_BBox.IsEmpty())
- m_BBox = mediabox;
- else
- m_BBox.Intersect(mediabox);
-
- m_PageWidth = m_BBox.right - m_BBox.left;
- m_PageHeight = m_BBox.top - m_BBox.bottom;
- if (rotate % 2)
- std::swap(m_PageWidth, m_PageHeight);
-
- switch (rotate) {
- case 0:
- m_PageMatrix.Set(1.0f, 0, 0, 1.0f, -m_BBox.left, -m_BBox.bottom);
- break;
- case 1:
- m_PageMatrix.Set(0, -1.0f, 1.0f, 0, -m_BBox.bottom, m_BBox.right);
- break;
- case 2:
- m_PageMatrix.Set(-1.0f, 0, 0, -1.0f, m_BBox.right, m_BBox.top);
- break;
- case 3:
- m_PageMatrix.Set(0, 1.0f, -1.0f, 0, m_BBox.top, -m_BBox.left);
- break;
- }
-
- m_Transparency = PDFTRANS_ISOLATED;
- LoadTransInfo();
-}
-
-CPDF_Page::~CPDF_Page() {}
-
-void CPDF_Page::StartParse() {
- if (m_ParseState == CONTENT_PARSED || m_ParseState == CONTENT_PARSING)
- return;
-
- m_pParser.reset(new CPDF_ContentParser);
- m_pParser->Start(this);
- m_ParseState = CONTENT_PARSING;
-}
-
-void CPDF_Page::ParseContent() {
- StartParse();
- ContinueParse(nullptr);
-}
-
-void CPDF_Page::SetRenderContext(
- std::unique_ptr<CPDF_PageRenderContext> pContext) {
- m_pRenderContext = std::move(pContext);
-}
-
-CPDF_Object* CPDF_Page::GetPageAttr(const CFX_ByteString& name) const {
- CPDF_Dictionary* pPageDict = m_pFormDict;
- std::set<CPDF_Dictionary*> visited;
- while (1) {
- visited.insert(pPageDict);
- if (CPDF_Object* pObj = pPageDict->GetDirectObjectFor(name))
- return pObj;
-
- pPageDict = pPageDict->GetDictFor("Parent");
- if (!pPageDict || pdfium::ContainsKey(visited, pPageDict))
- break;
- }
- return nullptr;
-}
-
-void CPDF_Page::GetDisplayMatrix(CFX_Matrix& matrix,
- int xPos,
- int yPos,
- int xSize,
- int ySize,
- int iRotate) const {
- if (m_PageWidth == 0 || m_PageHeight == 0) {
- return;
- }
- CFX_Matrix display_matrix;
- int x0 = 0;
- int y0 = 0;
- int x1 = 0;
- int y1 = 0;
- int x2 = 0;
- int y2 = 0;
- iRotate %= 4;
- switch (iRotate) {
- case 0:
- x0 = xPos;
- y0 = yPos + ySize;
- x1 = xPos;
- y1 = yPos;
- x2 = xPos + xSize;
- y2 = yPos + ySize;
- break;
- case 1:
- x0 = xPos;
- y0 = yPos;
- x1 = xPos + xSize;
- y1 = yPos;
- x2 = xPos;
- y2 = yPos + ySize;
- break;
- case 2:
- x0 = xPos + xSize;
- y0 = yPos;
- x1 = xPos + xSize;
- y1 = yPos + ySize;
- x2 = xPos;
- y2 = yPos;
- break;
- case 3:
- x0 = xPos + xSize;
- y0 = yPos + ySize;
- x1 = xPos;
- y1 = yPos + ySize;
- x2 = xPos + xSize;
- y2 = yPos;
- break;
- }
- display_matrix.Set(
- ((FX_FLOAT)(x2 - x0)) / m_PageWidth, ((FX_FLOAT)(y2 - y0)) / m_PageWidth,
- ((FX_FLOAT)(x1 - x0)) / m_PageHeight,
- ((FX_FLOAT)(y1 - y0)) / m_PageHeight, (FX_FLOAT)x0, (FX_FLOAT)y0);
- matrix = m_PageMatrix;
- matrix.Concat(display_matrix);
-}
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