Move CPDF_RenderStatus from render_int

Moved CPDF_RenderStatus to its own class and removed unused methods.
I only added some spaces and removed some {}s in cpdf_renderstatus.cpp.
Will do cleanup of the file as a followup because it would be too hard
to keep track of what's changed in this CL.

Review-Url: https://codereview.chromium.org/2513693002

1 files changed, 86 insertions, 0 deletions

diff --git a/core/fpdfapi/render/cpdf_charposlist.cpp b/core/fpdfapi/render/cpdf_charposlist.cpp
new file mode 100644
index 0000000000..4857b93498
--- /dev/null
+++ b/core/fpdfapi/render/cpdf_charposlist.cpp
@@ -0,0 +1,86 @@
+// Copyright 2016 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 "core/fpdfapi/render/cpdf_charposlist.h"
+
+#include "core/fpdfapi/font/cpdf_cidfont.h"
+#include "core/fpdfapi/font/cpdf_font.h"
+
+CPDF_CharPosList::CPDF_CharPosList() {
+  m_pCharPos = nullptr;
+}
+
+CPDF_CharPosList::~CPDF_CharPosList() {
+  FX_Free(m_pCharPos);
+}
+
+void CPDF_CharPosList::Load(int nChars,
+                            uint32_t* pCharCodes,
+                            FX_FLOAT* pCharPos,
+                            CPDF_Font* pFont,
+                            FX_FLOAT FontSize) {
+  m_pCharPos = FX_Alloc(FXTEXT_CHARPOS, nChars);
+  m_nChars = 0;
+  CPDF_CIDFont* pCIDFont = pFont->AsCIDFont();
+  bool bVertWriting = pCIDFont && pCIDFont->IsVertWriting();
+  for (int iChar = 0; iChar < nChars; iChar++) {
+    uint32_t CharCode =
+        nChars == 1 ? (uint32_t)(uintptr_t)pCharCodes : pCharCodes[iChar];
+    if (CharCode == (uint32_t)-1) {
+      continue;
+    }
+    bool bVert = false;
+    FXTEXT_CHARPOS& charpos = m_pCharPos[m_nChars++];
+    if (pCIDFont) {
+      charpos.m_bFontStyle = true;
+    }
+    charpos.m_GlyphIndex = pFont->GlyphFromCharCode(CharCode, &bVert);
+    if (charpos.m_GlyphIndex != static_cast<uint32_t>(-1)) {
+      charpos.m_FallbackFontPosition = -1;
+    } else {
+      charpos.m_FallbackFontPosition =
+          pFont->FallbackFontFromCharcode(CharCode);
+      charpos.m_GlyphIndex = pFont->FallbackGlyphFromCharcode(
+          charpos.m_FallbackFontPosition, CharCode);
+    }
+// TODO(npm): Figure out how this affects m_ExtGID
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+    charpos.m_ExtGID = pFont->GlyphFromCharCodeExt(CharCode);
+#endif
+    if (!pFont->IsEmbedded() && !pFont->IsCIDFont()) {
+      charpos.m_FontCharWidth = pFont->GetCharWidthF(CharCode);
+    } else {
+      charpos.m_FontCharWidth = 0;
+    }
+    charpos.m_OriginX = iChar ? pCharPos[iChar - 1] : 0;
+    charpos.m_OriginY = 0;
+    charpos.m_bGlyphAdjust = false;
+    if (!pCIDFont) {
+      continue;
+    }
+    uint16_t CID = pCIDFont->CIDFromCharCode(CharCode);
+    if (bVertWriting) {
+      charpos.m_OriginY = charpos.m_OriginX;
+      charpos.m_OriginX = 0;
+      short vx, vy;
+      pCIDFont->GetVertOrigin(CID, vx, vy);
+      charpos.m_OriginX -= FontSize * vx / 1000;
+      charpos.m_OriginY -= FontSize * vy / 1000;
+    }
+    const uint8_t* pTransform = pCIDFont->GetCIDTransform(CID);
+    if (pTransform && !bVert) {
+      charpos.m_AdjustMatrix[0] = pCIDFont->CIDTransformToFloat(pTransform[0]);
+      charpos.m_AdjustMatrix[2] = pCIDFont->CIDTransformToFloat(pTransform[2]);
+      charpos.m_AdjustMatrix[1] = pCIDFont->CIDTransformToFloat(pTransform[1]);
+      charpos.m_AdjustMatrix[3] = pCIDFont->CIDTransformToFloat(pTransform[3]);
+      charpos.m_OriginX +=
+          pCIDFont->CIDTransformToFloat(pTransform[4]) * FontSize;
+      charpos.m_OriginY +=
+          pCIDFont->CIDTransformToFloat(pTransform[5]) * FontSize;
+      charpos.m_bGlyphAdjust = true;
+    }
+  }
+}