3 files changed, 52 insertions, 8 deletions
diff --git a/core/src/fxge/dib/fx_dib_main.cpp b/core/src/fxge/dib/fx_dib_main.cpp
index 4922373ec0..ab4c170af5 100644
--- a/core/src/fxge/dib/fx_dib_main.cpp
+++ b/core/src/fxge/dib/fx_dib_main.cpp
@@ -42,6 +42,7 @@ FX_DWORD ArgbEncode(int a, FX_COLORREF rgb) {
   return FXARGB_MAKE(a, FXSYS_GetRValue(rgb), FXSYS_GetGValue(rgb),
                      FXSYS_GetBValue(rgb));
 }
+
 CFX_DIBSource::CFX_DIBSource() {
   m_bpp = 0;
   m_AlphaFlag = 0;
@@ -50,15 +51,26 @@ CFX_DIBSource::CFX_DIBSource() {
   m_pPalette = NULL;
   m_pAlphaMask = NULL;
 }
+
 CFX_DIBSource::~CFX_DIBSource() {
   FX_Free(m_pPalette);
   delete m_pAlphaMask;
 }
+
+uint8_t* CFX_DIBSource::GetBuffer() const {
+  return NULL;
+}
+
+FX_BOOL CFX_DIBSource::SkipToScanline(int line, IFX_Pause* pPause) const {
+  return FALSE;
+}
+
 CFX_DIBitmap::CFX_DIBitmap() {
   m_bExtBuf = FALSE;
   m_pBuffer = NULL;
   m_pPalette = NULL;
 }
+
 #define _MAX_OOM_LIMIT_ 12000000
 FX_BOOL CFX_DIBitmap::Create(int width,
                              int height,
@@ -113,6 +125,7 @@ FX_BOOL CFX_DIBitmap::Create(int width,
   }
   return TRUE;
 }
+
 FX_BOOL CFX_DIBitmap::Copy(const CFX_DIBSource* pSrc) {
   if (m_pBuffer) {
     return FALSE;
@@ -127,24 +140,34 @@ FX_BOOL CFX_DIBitmap::Copy(const CFX_DIBSource* pSrc) {
   }
   return TRUE;
 }
+
 CFX_DIBitmap::~CFX_DIBitmap() {
-  if (!m_bExtBuf) {
+  if (!m_bExtBuf)
     FX_Free(m_pBuffer);
-  }
-  m_pBuffer = NULL;
+
+  m_pBuffer = nullptr;
 }
+
+uint8_t* CFX_DIBitmap::GetBuffer() const {
+  return m_pBuffer;
+}
+
+const uint8_t* CFX_DIBitmap::GetScanline(int line) const {
+  return m_pBuffer ? m_pBuffer + line * m_Pitch : nullptr;
+}
+
 void CFX_DIBitmap::TakeOver(CFX_DIBitmap* pSrcBitmap) {
-  if (!m_bExtBuf) {
+  if (!m_bExtBuf)
     FX_Free(m_pBuffer);
-  }
+
   FX_Free(m_pPalette);
   delete m_pAlphaMask;
   m_pBuffer = pSrcBitmap->m_pBuffer;
   m_pPalette = pSrcBitmap->m_pPalette;
   m_pAlphaMask = pSrcBitmap->m_pAlphaMask;
-  pSrcBitmap->m_pBuffer = NULL;
-  pSrcBitmap->m_pPalette = NULL;
-  pSrcBitmap->m_pAlphaMask = NULL;
+  pSrcBitmap->m_pBuffer = nullptr;
+  pSrcBitmap->m_pPalette = nullptr;
+  pSrcBitmap->m_pAlphaMask = nullptr;
   m_bpp = pSrcBitmap->m_bpp;
   m_bExtBuf = pSrcBitmap->m_bExtBuf;
   m_AlphaFlag = pSrcBitmap->m_AlphaFlag;
@@ -152,6 +175,7 @@ void CFX_DIBitmap::TakeOver(CFX_DIBitmap* pSrcBitmap) {
   m_Height = pSrcBitmap->m_Height;
   m_Pitch = pSrcBitmap->m_Pitch;
 }
+
 CFX_DIBitmap* CFX_DIBSource::Clone(const FX_RECT* pClip) const {
   FX_RECT rect(0, 0, m_Width, m_Height);
   if (pClip) {
diff --git a/core/src/fxge/ge/fx_ge_fontmap.cpp b/core/src/fxge/ge/fx_ge_fontmap.cpp
index 890de616d1..cd46148b7f 100644
--- a/core/src/fxge/ge/fx_ge_fontmap.cpp
+++ b/core/src/fxge/ge/fx_ge_fontmap.cpp
@@ -1281,8 +1281,23 @@ FXFT_Face CFX_FontMapper::FindSubstFontByUnicode(FX_DWORD dwUnicode,
   m_pFontInfo->DeleteFont(hFont);
   return face;
 }
+
+void* IFX_SystemFontInfo::MapFontByUnicode(FX_DWORD dwUnicode,
+                                           int weight,
+                                           FX_BOOL bItalic,
+                                           int pitch_family) {
+  return nullptr;
+}
 #endif  // PDF_ENABLE_XFA
 
+int IFX_SystemFontInfo::GetFaceIndex(void* hFont) {
+  return 0;
+}
+
+void* IFX_SystemFontInfo::RetainFont(void* hFont) {
+  return NULL;
+}
+
 int CFX_FontMapper::GetFaceSize() const {
   return pdfium::CollectionSize<int>(m_FaceArray);
 }
@@ -1308,11 +1323,13 @@ unsigned long _FTStreamRead(FXFT_Stream stream,
                             unsigned long count);
 void _FTStreamClose(FXFT_Stream stream);
 };
+
 #if _FX_OS_ == _FX_ANDROID_
 IFX_SystemFontInfo* IFX_SystemFontInfo::CreateDefault(const char** pUnused) {
   return NULL;
 }
 #endif
+
 CFX_FolderFontInfo::CFX_FolderFontInfo() {}
 CFX_FolderFontInfo::~CFX_FolderFontInfo() {
   for (const auto& pair : m_FontList) {
diff --git a/core/src/fxge/ge/fx_ge_text.cpp b/core/src/fxge/ge/fx_ge_text.cpp
index 8d54363d14..8fb03d86eb 100644
--- a/core/src/fxge/ge/fx_ge_text.cpp
+++ b/core/src/fxge/ge/fx_ge_text.cpp
@@ -1167,6 +1167,9 @@ FX_BOOL CFX_RenderDevice::DrawTextPath(int nChars,
   }
   return TRUE;
 }
+
+CFX_FontCache::CFX_FontCache() {}
+
 CFX_FontCache::~CFX_FontCache() {
   FreeCache(TRUE);
 }