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-rw-r--r--core/fpdfapi/page/cpdf_page.cpp20
-rw-r--r--core/fpdfapi/page/cpdf_page.h39
-rw-r--r--core/fpdfapi/page/ipdf_page.h52
3 files changed, 95 insertions, 16 deletions
diff --git a/core/fpdfapi/page/cpdf_page.cpp b/core/fpdfapi/page/cpdf_page.cpp
index c5c85635b2..918c55ef5e 100644
--- a/core/fpdfapi/page/cpdf_page.cpp
+++ b/core/fpdfapi/page/cpdf_page.cpp
@@ -74,6 +74,26 @@ CPDF_Page::CPDF_Page(CPDF_Document* pDocument,
CPDF_Page::~CPDF_Page() {}
+CPDF_Page* CPDF_Page::AsPDFPage() {
+ return this;
+}
+
+CPDFXFA_Page* CPDF_Page::AsXFAPage() {
+ return nullptr;
+}
+
+CPDF_Document* CPDF_Page::GetDocument() const {
+ return GetPDFDocument();
+}
+
+float CPDF_Page::GetPageWidth() const {
+ return m_PageSize.width;
+}
+
+float CPDF_Page::GetPageHeight() const {
+ return m_PageSize.height;
+}
+
bool CPDF_Page::IsPage() const {
return true;
}
diff --git a/core/fpdfapi/page/cpdf_page.h b/core/fpdfapi/page/cpdf_page.h
index b94326e47b..f1d6f2124f 100644
--- a/core/fpdfapi/page/cpdf_page.h
+++ b/core/fpdfapi/page/cpdf_page.h
@@ -10,6 +10,7 @@
#include <memory>
#include "core/fpdfapi/page/cpdf_pageobjectholder.h"
+#include "core/fpdfapi/page/ipdf_page.h"
#include "core/fxcrt/fx_coordinates.h"
#include "core/fxcrt/fx_system.h"
#include "core/fxcrt/observable.h"
@@ -20,41 +21,50 @@
class CPDF_Dictionary;
class CPDF_Document;
class CPDF_Object;
+class CPDF_Page;
class CPDF_PageRenderCache;
class CPDF_PageRenderContext;
-class CPDF_Page : public Retainable,
+// Small layering violation, incomplete type and always null if non-XFA.
+class CPDFXFA_Page;
+
+class CPDF_Page : public IPDF_Page,
public Observable<CPDF_Page>,
public CPDF_PageObjectHolder {
public:
class View {}; // Caller implements as desired, empty here due to layering.
- class Extension : public Retainable {}; // XFA page parent class, layering.
template <typename T, typename... Args>
friend RetainPtr<T> pdfium::MakeRetain(Args&&... args);
+ // IPDF_Page:
+ CPDF_Page* AsPDFPage() override;
+ CPDFXFA_Page* AsXFAPage() override;
+ CPDF_Document* GetDocument() const override;
+ float GetPageWidth() const override;
+ float GetPageHeight() const override;
+ CFX_Matrix GetDisplayMatrix(const FX_RECT& rect, int iRotate) const override;
+ Optional<CFX_PointF> DeviceToPage(
+ const FX_RECT& rect,
+ int rotate,
+ const CFX_PointF& device_point) const override;
+ Optional<CFX_PointF> PageToDevice(
+ const FX_RECT& rect,
+ int rotate,
+ const CFX_PointF& page_point) const override;
+
// CPDF_PageObjectHolder:
bool IsPage() const override;
void ParseContent();
- Optional<CFX_PointF> DeviceToPage(const FX_RECT& rect,
- int rotate,
- const CFX_PointF& device_point) const;
- Optional<CFX_PointF> PageToDevice(const FX_RECT& rect,
- int rotate,
- const CFX_PointF& page_point) const;
- CFX_Matrix GetDisplayMatrix(const FX_RECT& rect, int iRotate) const;
- float GetPageWidth() const { return m_PageSize.width; }
- float GetPageHeight() const { return m_PageSize.height; }
const CFX_SizeF& GetPageSize() const { return m_PageSize; }
-
const CFX_FloatRect& GetPageBBox() const { return m_BBox; }
int GetPageRotation() const;
- CPDF_PageRenderCache* GetRenderCache() const { return m_pPageRender.get(); }
+ CPDF_PageRenderCache* GetRenderCache() const { return m_pPageRender.get(); }
CPDF_PageRenderContext* GetRenderContext() const {
return m_pRenderContext.get();
}
@@ -63,8 +73,6 @@ class CPDF_Page : public Retainable,
CPDF_Document* GetPDFDocument() const { return m_pPDFDocument.Get(); }
View* GetView() const { return m_pView.Get(); }
void SetView(View* pView) { m_pView = pView; }
- Extension* GetPageExtension() const { return m_pPageExtension.Get(); }
- void SetPageExtension(Extension* pExt) { m_pPageExtension = pExt; }
private:
CPDF_Page(CPDF_Document* pDocument,
@@ -80,7 +88,6 @@ class CPDF_Page : public Retainable,
CFX_SizeF m_PageSize;
CFX_Matrix m_PageMatrix;
UnownedPtr<CPDF_Document> m_pPDFDocument;
- UnownedPtr<Extension> m_pPageExtension;
std::unique_ptr<CPDF_PageRenderCache> m_pPageRender;
std::unique_ptr<CPDF_PageRenderContext> m_pRenderContext;
UnownedPtr<View> m_pView;
diff --git a/core/fpdfapi/page/ipdf_page.h b/core/fpdfapi/page/ipdf_page.h
new file mode 100644
index 0000000000..929cba7583
--- /dev/null
+++ b/core/fpdfapi/page/ipdf_page.h
@@ -0,0 +1,52 @@
+// Copyright 2018 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
+
+#ifndef CORE_FPDFAPI_PAGE_IPDF_PAGE_H_
+#define CORE_FPDFAPI_PAGE_IPDF_PAGE_H_
+
+#include "core/fxcrt/fx_coordinates.h"
+#include "core/fxcrt/retain_ptr.h"
+#include "third_party/base/optional.h"
+
+class CPDF_Document;
+class CPDF_Page;
+
+// Small layering violation, incomplete type and always null if non-XFA.
+class CPDFXFA_Page;
+
+// Interface implented by both page types (CPDF_Page and CPDFXFA_Page).
+class IPDF_Page : public Retainable {
+ public:
+ virtual CPDF_Page* AsPDFPage() = 0;
+ virtual CPDFXFA_Page* AsXFAPage() = 0;
+
+ virtual CPDF_Document* GetDocument() const = 0;
+
+ virtual float GetPageWidth() const = 0;
+ virtual float GetPageHeight() const = 0;
+ virtual CFX_Matrix GetDisplayMatrix(const FX_RECT& rect,
+ int iRotate) const = 0;
+
+ virtual Optional<CFX_PointF> DeviceToPage(
+ const FX_RECT& rect,
+ int rotate,
+ const CFX_PointF& device_point) const = 0;
+
+ virtual Optional<CFX_PointF> PageToDevice(
+ const FX_RECT& rect,
+ int rotate,
+ const CFX_PointF& page_point) const = 0;
+};
+
+inline CPDF_Page* ToPDFPage(IPDF_Page* pBase) {
+ return pBase ? pBase->AsPDFPage() : nullptr;
+}
+
+inline CPDFXFA_Page* ToXFAPage(IPDF_Page* pBase) {
+ return pBase ? pBase->AsXFAPage() : nullptr;
+}
+
+#endif // CORE_FPDFAPI_PAGE_IPDF_PAGE_H_
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 16:55:21 +0000