diff options
Diffstat (limited to 'fpdfsdk/src/pdfwindow/PWL_Icon.cpp')
| -rw-r--r-- | fpdfsdk/src/pdfwindow/PWL_Icon.cpp | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/fpdfsdk/src/pdfwindow/PWL_Icon.cpp b/fpdfsdk/src/pdfwindow/PWL_Icon.cpp new file mode 100644 index 0000000000..a859a52de7 --- /dev/null +++ b/fpdfsdk/src/pdfwindow/PWL_Icon.cpp @@ -0,0 +1,272 @@ +// 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/pdfwindow/PDFWindow.h"
+#include "../../include/pdfwindow/PWL_Wnd.h"
+#include "../../include/pdfwindow/PWL_Icon.h"
+#include "../../include/pdfwindow/PWL_Utils.h"
+
+/* ------------------------------- CPWL_Image ---------------------------------- */
+
+CPWL_Image::CPWL_Image() : m_pPDFStream(NULL)
+{
+}
+
+CPWL_Image::~CPWL_Image()
+{
+}
+
+CFX_ByteString CPWL_Image::GetImageAppStream()
+{
+ CFX_ByteTextBuf sAppStream;
+
+ CFX_ByteString sAlias = this->GetImageAlias();
+ CPDF_Rect rcPlate = GetClientRect();
+ CPDF_Matrix mt;
+ mt.SetReverse(GetImageMatrix());
+
+ FX_FLOAT fHScale = 1.0f;
+ FX_FLOAT fVScale = 1.0f;
+ GetScale(fHScale,fVScale);
+
+ FX_FLOAT fx = 0.0f;
+ FX_FLOAT fy = 0.0f;
+ GetImageOffset(fx,fy);
+
+ if (m_pPDFStream && sAlias.GetLength()>0)
+ {
+ sAppStream << "q\n";
+ sAppStream << rcPlate.left << " " << rcPlate.bottom << " "
+ << rcPlate.right - rcPlate.left << " " << rcPlate.top - rcPlate.bottom << " re W n\n";
+
+ sAppStream << fHScale << " 0 0 " << fVScale << " " << rcPlate.left + fx << " " << rcPlate.bottom + fy << " cm\n";
+ sAppStream << mt.GetA() << " " << mt.GetB() << " " << mt.GetC() << " " << mt.GetD() << " " << mt.GetE() << " " << mt.GetF() << " cm\n";
+
+ sAppStream << "0 g 0 G 1 w /" << sAlias << " Do\n" << "Q\n";
+ }
+
+ return sAppStream.GetByteString();
+}
+
+void CPWL_Image::SetPDFStream(CPDF_Stream * pStream)
+{
+ m_pPDFStream = pStream;
+}
+
+CPDF_Stream * CPWL_Image::GetPDFStream()
+{
+ return this->m_pPDFStream;
+}
+
+void CPWL_Image::GetImageSize(FX_FLOAT & fWidth,FX_FLOAT & fHeight)
+{
+ fWidth = 0.0f;
+ fHeight = 0.0f;
+
+ if (m_pPDFStream)
+ {
+ if (CPDF_Dictionary * pDict = m_pPDFStream->GetDict())
+ {
+ CPDF_Rect rect = pDict->GetRect("BBox");
+
+ fWidth = rect.right - rect.left;
+ fHeight = rect.top - rect.bottom;
+ }
+ }
+}
+
+CPDF_Matrix CPWL_Image::GetImageMatrix()
+{
+ if (m_pPDFStream)
+ {
+ if (CPDF_Dictionary * pDict = m_pPDFStream->GetDict())
+ {
+ return pDict->GetMatrix("Matrix");
+ }
+ }
+
+ return CPDF_Matrix();
+}
+
+CFX_ByteString CPWL_Image::GetImageAlias()
+{
+ if (m_sImageAlias.IsEmpty())
+ {
+ if (m_pPDFStream)
+ {
+ if (CPDF_Dictionary * pDict = m_pPDFStream->GetDict())
+ {
+ return pDict->GetString("Name");
+ }
+ }
+ }
+ else
+ return m_sImageAlias;
+
+ return CFX_ByteString();
+}
+
+void CPWL_Image::SetImageAlias(FX_LPCSTR sImageAlias)
+{
+ m_sImageAlias = sImageAlias;
+}
+
+void CPWL_Image::GetScale(FX_FLOAT & fHScale,FX_FLOAT & fVScale)
+{
+ fHScale = 1.0f;
+ fVScale = 1.0f;
+}
+
+
+void CPWL_Image::GetImageOffset(FX_FLOAT & x,FX_FLOAT & y)
+{
+ x = 0.0f;
+ y = 0.0f;
+}
+
+/* ------------------------------- CPWL_Icon ---------------------------------- */
+
+CPWL_Icon::CPWL_Icon() : m_pIconFit(NULL)
+{
+}
+
+CPWL_Icon::~CPWL_Icon()
+{
+}
+
+FX_INT32 CPWL_Icon::GetScaleMethod()
+{
+ if (m_pIconFit)
+ return m_pIconFit->GetScaleMethod();
+
+ return 0;
+}
+
+FX_BOOL CPWL_Icon::IsProportionalScale()
+{
+ if (m_pIconFit)
+ return m_pIconFit->IsProportionalScale();
+
+ return FALSE;
+}
+
+void CPWL_Icon::GetIconPosition(FX_FLOAT & fLeft, FX_FLOAT & fBottom)
+{
+ if (m_pIconFit)
+ {
+ //m_pIconFit->GetIconPosition(fLeft,fBottom);
+ fLeft = 0.0f;
+ fBottom = 0.0f;
+ CPDF_Array* pA = m_pIconFit->m_pDict->GetArray("A");
+ if (pA != NULL)
+ {
+ FX_DWORD dwCount = pA->GetCount();
+ if (dwCount > 0) fLeft = pA->GetNumber(0);
+ if (dwCount > 1) fBottom = pA->GetNumber(1);
+ }
+ }
+ else
+ {
+ fLeft = 0.0f;
+ fBottom = 0.0f;
+ }
+}
+
+FX_BOOL CPWL_Icon::GetFittingBounds()
+{
+ if (m_pIconFit)
+ return m_pIconFit->GetFittingBounds();
+
+ return FALSE;
+}
+
+void CPWL_Icon::GetScale(FX_FLOAT & fHScale,FX_FLOAT & fVScale)
+{
+ fHScale = 1.0f;
+ fVScale = 1.0f;
+
+ if (m_pPDFStream)
+ {
+ FX_FLOAT fImageWidth,fImageHeight;
+ FX_FLOAT fPlateWidth,fPlateHeight;
+
+ CPDF_Rect rcPlate = this->GetClientRect();
+ fPlateWidth = rcPlate.right - rcPlate.left;
+ fPlateHeight = rcPlate.top - rcPlate.bottom;
+
+ GetImageSize(fImageWidth,fImageHeight);
+
+ FX_INT32 nScaleMethod = this->GetScaleMethod();
+
+ /*
+ enum ScaleMethod
+ {
+ Always = 0, //A, Always scale
+ Bigger, //B, Scale only when the icon is bigger than the annotation rectangle
+ Smaller, //S, Scale only when the icon is smaller then the annotation rectangle
+ Never //N, Never scale
+ };
+ */
+
+ switch (nScaleMethod)
+ {
+ default:
+ case 0:
+ fHScale = fPlateWidth / PWL_MAX(fImageWidth,1.0f);
+ fVScale = fPlateHeight / PWL_MAX(fImageHeight,1.0f);
+ break;
+ case 1:
+ if (fPlateWidth < fImageWidth)
+ fHScale = fPlateWidth / PWL_MAX(fImageWidth,1.0f);
+ if (fPlateHeight < fImageHeight)
+ fVScale = fPlateHeight / PWL_MAX(fImageHeight,1.0f);
+ break;
+ case 2:
+ if (fPlateWidth > fImageWidth)
+ fHScale = fPlateWidth / PWL_MAX(fImageWidth,1.0f);
+ if (fPlateHeight > fImageHeight)
+ fVScale = fPlateHeight / PWL_MAX(fImageHeight,1.0f);
+ break;
+ case 3:
+ break;
+ }
+
+ FX_FLOAT fMinScale;
+ if (IsProportionalScale())
+ {
+ fMinScale = PWL_MIN(fHScale,fVScale);
+ fHScale = fMinScale;
+ fVScale = fMinScale;
+ }
+ }
+}
+
+void CPWL_Icon::GetImageOffset(FX_FLOAT & x,FX_FLOAT & y)
+{
+ FX_FLOAT fLeft,fBottom;
+
+ this->GetIconPosition(fLeft,fBottom);
+ x = 0.0f;
+ y = 0.0f;
+
+ FX_FLOAT fImageWidth,fImageHeight;
+ GetImageSize(fImageWidth,fImageHeight);
+
+ FX_FLOAT fHScale,fVScale;
+ GetScale(fHScale,fVScale);
+
+ FX_FLOAT fImageFactWidth = fImageWidth * fHScale;
+ FX_FLOAT fImageFactHeight = fImageHeight * fVScale;
+
+ FX_FLOAT fPlateWidth,fPlateHeight;
+ CPDF_Rect rcPlate = this->GetClientRect();
+ fPlateWidth = rcPlate.right - rcPlate.left;
+ fPlateHeight = rcPlate.top - rcPlate.bottom;
+
+ x = (fPlateWidth - fImageFactWidth) * fLeft;
+ y = (fPlateHeight - fImageFactHeight) * fBottom;
+}
+
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