Encapsulate CPDF_Type3Char members.

Change-Id: Iec4e999d76dabc9b6cd00323881c5c87afc5f629
Reviewed-on: https://pdfium-review.googlesource.com/19930
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

1 files changed, 31 insertions, 1 deletions

diff --git a/core/fpdfapi/font/cpdf_type3char.cpp b/core/fpdfapi/font/cpdf_type3char.cpp
index c0ed88d4db..eea3d9a86e 100644
--- a/core/fpdfapi/font/cpdf_type3char.cpp
+++ b/core/fpdfapi/font/cpdf_type3char.cpp
@@ -15,7 +15,7 @@
 #include "core/fxge/fx_dib.h"
 
 CPDF_Type3Char::CPDF_Type3Char(std::unique_ptr<CPDF_Form> pForm)
-    : m_pForm(std::move(pForm)), m_bColored(false) {}
+    : m_pForm(std::move(pForm)) {}
 
 CPDF_Type3Char::~CPDF_Type3Char() {}
 
@@ -49,3 +49,33 @@ bool CPDF_Type3Char::LoadBitmap(CPDF_RenderContext* pContext) {
   m_pForm.reset();
   return true;
 }
+
+void CPDF_Type3Char::InitializeFromStreamData(bool bColored,
+                                              const float* pData) {
+  m_bColored = bColored;
+  m_Width = FXSYS_round(pData[0] * 1000);
+  m_BBox.left = FXSYS_round(pData[2] * 1000);
+  m_BBox.bottom = FXSYS_round(pData[3] * 1000);
+  m_BBox.right = FXSYS_round(pData[4] * 1000);
+  m_BBox.top = FXSYS_round(pData[5] * 1000);
+}
+
+void CPDF_Type3Char::Transform(const CFX_Matrix& matrix) {
+  m_Width = m_Width * matrix.GetXUnit() + 0.5f;
+  CFX_FloatRect char_rect(static_cast<float>(m_BBox.left) / 1000.0f,
+                          static_cast<float>(m_BBox.bottom) / 1000.0f,
+                          static_cast<float>(m_BBox.right) / 1000.0f,
+                          static_cast<float>(m_BBox.top) / 1000.0f);
+  if (m_BBox.right <= m_BBox.left || m_BBox.bottom >= m_BBox.top)
+    char_rect = form()->CalcBoundingBox();
+
+  char_rect = matrix.TransformRect(char_rect);
+  m_BBox.left = FXSYS_round(char_rect.left * 1000);
+  m_BBox.right = FXSYS_round(char_rect.right * 1000);
+  m_BBox.top = FXSYS_round(char_rect.top * 1000);
+  m_BBox.bottom = FXSYS_round(char_rect.bottom * 1000);
+}
+
+void CPDF_Type3Char::ResetForm() {
+  m_pForm.reset();
+}