Rename PWL_FooBar files to cpwl_foo_bar.

Change-Id: I7ed0ba0acbbee291e285555974ebf50c0073668f
Reviewed-on: https://pdfium-review.googlesource.com/6250
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

1 files changed, 225 insertions, 0 deletions

diff --git a/fpdfsdk/pdfwindow/cpwl_icon.cpp b/fpdfsdk/pdfwindow/cpwl_icon.cpp
new file mode 100644
index 0000000000..1464a09348
--- /dev/null
+++ b/fpdfsdk/pdfwindow/cpwl_icon.cpp
@@ -0,0 +1,225 @@
+// 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 "fpdfsdk/pdfwindow/cpwl_icon.h"
+
+#include <algorithm>
+
+#include "core/fpdfapi/parser/cpdf_array.h"
+#include "core/fpdfapi/parser/cpdf_stream.h"
+#include "fpdfsdk/pdfwindow/cpwl_utils.h"
+#include "fpdfsdk/pdfwindow/cpwl_wnd.h"
+
+CPWL_Image::CPWL_Image() : m_pPDFStream(nullptr) {}
+
+CPWL_Image::~CPWL_Image() {}
+
+CFX_ByteString CPWL_Image::GetImageAppStream() {
+  CFX_ByteTextBuf sAppStream;
+
+  CFX_ByteString sAlias = GetImageAlias();
+  CFX_FloatRect rcPlate = GetClientRect();
+  CFX_Matrix mt;
+  mt.SetReverse(GetImageMatrix());
+
+  float fHScale = 1.0f;
+  float fVScale = 1.0f;
+  GetScale(fHScale, fVScale);
+
+  float fx = 0.0f;
+  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.a << " " << mt.b << " " << mt.c << " " << mt.d << " "
+               << mt.e << " " << mt.f << " cm\n";
+
+    sAppStream << "0 g 0 G 1 w /" << sAlias.AsStringC() << " Do\n"
+               << "Q\n";
+  }
+
+  return sAppStream.MakeString();
+}
+
+void CPWL_Image::SetPDFStream(CPDF_Stream* pStream) {
+  m_pPDFStream = pStream;
+}
+
+CPDF_Stream* CPWL_Image::GetPDFStream() const {
+  return m_pPDFStream.Get();
+}
+
+void CPWL_Image::GetImageSize(float& fWidth, float& fHeight) {
+  fWidth = 0.0f;
+  fHeight = 0.0f;
+
+  if (m_pPDFStream) {
+    if (CPDF_Dictionary* pDict = m_pPDFStream->GetDict()) {
+      CFX_FloatRect rect = pDict->GetRectFor("BBox");
+
+      fWidth = rect.right - rect.left;
+      fHeight = rect.top - rect.bottom;
+    }
+  }
+}
+
+CFX_Matrix CPWL_Image::GetImageMatrix() {
+  if (m_pPDFStream) {
+    if (CPDF_Dictionary* pDict = m_pPDFStream->GetDict()) {
+      return pDict->GetMatrixFor("Matrix");
+    }
+  }
+
+  return CFX_Matrix();
+}
+
+CFX_ByteString CPWL_Image::GetImageAlias() {
+  if (!m_sImageAlias.IsEmpty())
+    return m_sImageAlias;
+
+  if (m_pPDFStream) {
+    if (CPDF_Dictionary* pDict = m_pPDFStream->GetDict()) {
+      return pDict->GetStringFor("Name");
+    }
+  }
+
+  return CFX_ByteString();
+}
+
+void CPWL_Image::SetImageAlias(const char* sImageAlias) {
+  m_sImageAlias = sImageAlias;
+}
+
+void CPWL_Image::GetScale(float& fHScale, float& fVScale) {
+  fHScale = 1.0f;
+  fVScale = 1.0f;
+}
+
+void CPWL_Image::GetImageOffset(float& x, float& y) {
+  x = 0.0f;
+  y = 0.0f;
+}
+
+CPWL_Icon::CPWL_Icon() : m_pIconFit(nullptr) {}
+
+CPWL_Icon::~CPWL_Icon() {}
+
+CPDF_IconFit* CPWL_Icon::GetIconFit() const {
+  return m_pIconFit.Get();
+}
+
+int32_t CPWL_Icon::GetScaleMethod() {
+  if (m_pIconFit)
+    return m_pIconFit->GetScaleMethod();
+
+  return 0;
+}
+
+bool CPWL_Icon::IsProportionalScale() {
+  if (m_pIconFit)
+    return m_pIconFit->IsProportionalScale();
+
+  return false;
+}
+
+void CPWL_Icon::GetIconPosition(float& fLeft, float& fBottom) {
+  if (m_pIconFit) {
+    fLeft = 0.0f;
+    fBottom = 0.0f;
+    CPDF_Array* pA = m_pIconFit->GetDict()
+                         ? m_pIconFit->GetDict()->GetArrayFor("A")
+                         : nullptr;
+    if (pA) {
+      size_t dwCount = pA->GetCount();
+      if (dwCount > 0)
+        fLeft = pA->GetNumberAt(0);
+      if (dwCount > 1)
+        fBottom = pA->GetNumberAt(1);
+    }
+  } else {
+    fLeft = 0.0f;
+    fBottom = 0.0f;
+  }
+}
+
+void CPWL_Icon::GetScale(float& fHScale, float& fVScale) {
+  fHScale = 1.0f;
+  fVScale = 1.0f;
+
+  if (m_pPDFStream) {
+    float fImageWidth, fImageHeight;
+    float fPlateWidth, fPlateHeight;
+
+    CFX_FloatRect rcPlate = GetClientRect();
+    fPlateWidth = rcPlate.right - rcPlate.left;
+    fPlateHeight = rcPlate.top - rcPlate.bottom;
+
+    GetImageSize(fImageWidth, fImageHeight);
+
+    int32_t nScaleMethod = GetScaleMethod();
+
+    switch (nScaleMethod) {
+      default:
+      case 0:
+        fHScale = fPlateWidth / std::max(fImageWidth, 1.0f);
+        fVScale = fPlateHeight / std::max(fImageHeight, 1.0f);
+        break;
+      case 1:
+        if (fPlateWidth < fImageWidth)
+          fHScale = fPlateWidth / std::max(fImageWidth, 1.0f);
+        if (fPlateHeight < fImageHeight)
+          fVScale = fPlateHeight / std::max(fImageHeight, 1.0f);
+        break;
+      case 2:
+        if (fPlateWidth > fImageWidth)
+          fHScale = fPlateWidth / std::max(fImageWidth, 1.0f);
+        if (fPlateHeight > fImageHeight)
+          fVScale = fPlateHeight / std::max(fImageHeight, 1.0f);
+        break;
+      case 3:
+        break;
+    }
+
+    float fMinScale;
+    if (IsProportionalScale()) {
+      fMinScale = std::min(fHScale, fVScale);
+      fHScale = fMinScale;
+      fVScale = fMinScale;
+    }
+  }
+}
+
+void CPWL_Icon::GetImageOffset(float& x, float& y) {
+  float fLeft, fBottom;
+
+  GetIconPosition(fLeft, fBottom);
+  x = 0.0f;
+  y = 0.0f;
+
+  float fImageWidth, fImageHeight;
+  GetImageSize(fImageWidth, fImageHeight);
+
+  float fHScale, fVScale;
+  GetScale(fHScale, fVScale);
+
+  float fImageFactWidth = fImageWidth * fHScale;
+  float fImageFactHeight = fImageHeight * fVScale;
+
+  float fPlateWidth, fPlateHeight;
+  CFX_FloatRect rcPlate = GetClientRect();
+  fPlateWidth = rcPlate.right - rcPlate.left;
+  fPlateHeight = rcPlate.top - rcPlate.bottom;
+
+  x = (fPlateWidth - fImageFactWidth) * fLeft;
+  y = (fPlateHeight - fImageFactHeight) * fBottom;
+}