From 5110c4743751145c4ae1934cd1d83bc6c55bb43f Mon Sep 17 00:00:00 2001
From: John Abd-El-Malek <jabdelmalek@google.com>
Date: Sat, 17 May 2014 22:33:34 -0700
Subject: Initial commit.

---
 core/src/fpdfapi/fpdf_page/fpdf_page_image.cpp | 116 +++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 core/src/fpdfapi/fpdf_page/fpdf_page_image.cpp

(limited to 'core/src/fpdfapi/fpdf_page/fpdf_page_image.cpp')

diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_image.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_image.cpp
new file mode 100644
index 0000000000..ec351058ac
--- /dev/null
+++ b/core/src/fpdfapi/fpdf_page/fpdf_page_image.cpp
@@ -0,0 +1,116 @@
+// 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 "../../../include/fpdfapi/fpdf_page.h"
+#include "../../../include/fpdfapi/fpdf_pageobj.h"
+#include "pageint.h"
+CPDF_ImageObject::CPDF_ImageObject()
+{
+    m_pImage = NULL;
+    m_Type = PDFPAGE_IMAGE;
+}
+CPDF_ImageObject::~CPDF_ImageObject()
+{
+    if (!m_pImage) {
+        return;
+    }
+    if (m_pImage->IsInline() || (m_pImage->GetStream() && m_pImage->GetStream()->GetObjNum() == 0)) {
+        delete m_pImage;
+    } else {
+        m_pImage->GetDocument()->GetPageData()->ReleaseImage(m_pImage->GetStream());
+    }
+}
+void CPDF_ImageObject::CopyData(const CPDF_PageObject* pSrc)
+{
+    const CPDF_ImageObject* pSrcObj = (const CPDF_ImageObject*)pSrc;
+    if (m_pImage) {
+        m_pImage->Release();
+    }
+    m_pImage = pSrcObj->m_pImage->Clone();
+    m_Matrix = pSrcObj->m_Matrix;
+}
+void CPDF_ImageObject::Transform(const CFX_AffineMatrix& matrix)
+{
+    m_Matrix.Concat(matrix);
+    CalcBoundingBox();
+}
+void CPDF_ImageObject::CalcBoundingBox()
+{
+    m_Left = m_Bottom = 0;
+    m_Right = m_Top = 1.0f;
+    m_Matrix.TransformRect(m_Left, m_Right, m_Top, m_Bottom);
+}
+void CPDF_Image::Release()
+{
+    if (m_bInline || (m_pStream && m_pStream->GetObjNum() == 0)) {
+        delete this;
+    }
+}
+CPDF_Image* CPDF_Image::Clone()
+{
+    if (m_pStream->GetObjNum()) {
+        return m_pDocument->GetPageData()->GetImage(m_pStream);
+    }
+    CPDF_Image* pImage = FX_NEW CPDF_Image(m_pDocument);
+    pImage->LoadImageF((CPDF_Stream*)((CPDF_Object*)m_pStream)->Clone(), m_bInline);
+    if (m_bInline) {
+        CPDF_Dictionary *pInlineDict = (CPDF_Dictionary*)m_pInlineDict->Clone(TRUE);
+        pImage->SetInlineDict(pInlineDict);
+    }
+    return pImage;
+}
+CPDF_Image::CPDF_Image(CPDF_Document* pDoc)
+{
+    m_pDocument = pDoc;
+    m_pStream = NULL;
+    m_pOC = NULL;
+    m_bInline = FALSE;
+    m_pInlineDict = NULL;
+    m_pDIBSource = NULL;
+    m_pMask = NULL;
+    m_MatteColor = 0;
+}
+CPDF_Image::~CPDF_Image()
+{
+    if (m_bInline) {
+        if (m_pStream) {
+#ifndef FOXIT_CHROME_BUILD
+            CPDF_Dictionary* pDict = m_pStream->GetDict();
+            if (pDict) {
+                CPDF_Object* pCSObj = pDict->GetElementValue(FX_BSTRC("ColorSpace"));
+                if (pCSObj && m_pDocument) {
+                    m_pDocument->RemoveColorSpaceFromPageData(pCSObj);
+                }
+            }
+#endif
+            m_pStream->Release();
+        }
+        if (m_pInlineDict) {
+            m_pInlineDict->Release();
+        }
+    }
+}
+FX_BOOL CPDF_Image::LoadImageF(CPDF_Stream* pStream, FX_BOOL bInline)
+{
+    m_pStream = pStream;
+    if (m_bInline && m_pInlineDict) {
+        m_pInlineDict->Release();
+        m_pInlineDict = NULL;
+    }
+    m_bInline = bInline;
+    CPDF_Dictionary* pDict = pStream->GetDict();
+    if (m_bInline) {
+        m_pInlineDict = (CPDF_Dictionary*)pDict->Clone();
+    }
+    m_pOC = pDict->GetDict(FX_BSTRC("OC"));
+    m_bIsMask = !pDict->KeyExist(FX_BSTRC("ColorSpace")) || pDict->GetInteger(FX_BSTRC("ImageMask"));
+#ifndef _FPDFAPI_MINI_
+    m_bInterpolate = pDict->GetInteger(FX_BSTRC("Interpolate"));
+#endif
+    m_Height = pDict->GetInteger(FX_BSTRC("Height"));
+    m_Width = pDict->GetInteger(FX_BSTRC("Width"));
+    return TRUE;
+}
-- 
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