Move ifx_renderdevicedriver to a separate file to share

core/fxge/agg/fx_agg_driver.cpp

Index: core/fxge/agg/fx_agg_driver.cpp
diff --git a/core/fxge/agg/fx_agg_driver.cpp b/core/fxge/agg/fx_agg_driver.cpp
index f5d7cbbf4cd8a9ea2d2c85f62848bf8f36e42f6b..814cf0ec2664fd663065c4b91386064ff882f12e 100644
--- a/core/fxge/agg/fx_agg_driver.cpp
+++ b/core/fxge/agg/fx_agg_driver.cpp
@@ -12,6 +12,7 @@
 #include "core/fxge/dib/dib_int.h"
 #include "core/fxge/ge/fx_text_int.h"
 #include "core/fxge/include/fx_ge.h"
+#include "core/fxge/include/ifx_renderdevicedriver.h"
 #include "third_party/agg23/agg_conv_dash.h"
 #include "third_party/agg23/agg_conv_stroke.h"
 #include "third_party/agg23/agg_curves.h"
@@ -416,97 +417,6 @@ static void RasterizeStroke(agg::rasterizer_scanline_aa& rasterizer,
   }
 }
 
-IFX_RenderDeviceDriver* IFX_RenderDeviceDriver::CreateFxgeDriver(
-    CFX_DIBitmap* pBitmap,
-    FX_BOOL bRgbByteOrder,
-    CFX_DIBitmap* pOriDevice,
-    FX_BOOL bGroupKnockout) {
-  return new CFX_AggDeviceDriver(pBitmap, bRgbByteOrder, pOriDevice,
-                                 bGroupKnockout);
-}
-
-IFX_RenderDeviceDriver::~IFX_RenderDeviceDriver() {}
-
-CFX_Matrix IFX_RenderDeviceDriver::GetCTM() const {
-  return CFX_Matrix();
-}
-
-FX_BOOL IFX_RenderDeviceDriver::StartRendering() {
-  return TRUE;
-}
-
-void IFX_RenderDeviceDriver::EndRendering() {}
-
-FX_BOOL IFX_RenderDeviceDriver::SetClip_PathStroke(
-    const CFX_PathData* pPathData,
-    const CFX_Matrix* pObject2Device,
-    const CFX_GraphStateData* pGraphState) {
-  return FALSE;
-}
-
-FX_BOOL IFX_RenderDeviceDriver::SetPixel(int x, int y, uint32_t color) {
-  return FALSE;
-}
-
-FX_BOOL IFX_RenderDeviceDriver::FillRectWithBlend(const FX_RECT* pRect,
-                                                  uint32_t fill_color,
-                                                  int blend_type) {
-  return FALSE;
-}
-
-FX_BOOL IFX_RenderDeviceDriver::DrawCosmeticLine(FX_FLOAT x1,
-                                                 FX_FLOAT y1,
-                                                 FX_FLOAT x2,
-                                                 FX_FLOAT y2,
-                                                 uint32_t color,
-                                                 int blend_type) {
-  return FALSE;
-}
-
-FX_BOOL IFX_RenderDeviceDriver::GetDIBits(CFX_DIBitmap* pBitmap,
-                                          int left,
-                                          int top) {
-  return FALSE;
-}
-CFX_DIBitmap* IFX_RenderDeviceDriver::GetBackDrop() {
-  return nullptr;
-}
-
-FX_BOOL IFX_RenderDeviceDriver::ContinueDIBits(void* handle,
-                                               IFX_Pause* pPause) {
-  return FALSE;
-}
-
-void IFX_RenderDeviceDriver::CancelDIBits(void* handle) {}
-
-FX_BOOL IFX_RenderDeviceDriver::DrawDeviceText(int nChars,
-                                               const FXTEXT_CHARPOS* pCharPos,
-                                               CFX_Font* pFont,
-                                               CFX_FontCache* pCache,
-                                               const CFX_Matrix* pObject2Device,
-                                               FX_FLOAT font_size,
-                                               uint32_t color) {
-  return FALSE;
-}
-
-void* IFX_RenderDeviceDriver::GetPlatformSurface() const {
-  return nullptr;
-}
-
-int IFX_RenderDeviceDriver::GetDriverType() const {
-  return 0;
-}
-
-void IFX_RenderDeviceDriver::ClearDriver() {}
-
-FX_BOOL IFX_RenderDeviceDriver::DrawShading(const CPDF_ShadingPattern* pPattern,
-                                            const CFX_Matrix* pMatrix,
-                                            const FX_RECT& clip_rect,
-                                            int alpha,
-                                            FX_BOOL bAlphaMode) {
-  return false;
-}
-
 CFX_AggDeviceDriver::CFX_AggDeviceDriver(CFX_DIBitmap* pBitmap,
                                          FX_BOOL bRgbByteOrder,
                                          CFX_DIBitmap* pOriDevice,
@@ -554,7 +464,7 @@ FX_BOOL CFX_AggDeviceDriver::DrawDeviceText(int nChars,
 }
 #endif  // _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
 
-int CFX_AggDeviceDriver::GetDeviceCaps(int caps_id) {
+int CFX_AggDeviceDriver::GetDeviceCaps(int caps_id) const {
   switch (caps_id) {
     case FXDC_DEVICE_CLASS:
       return FXDC_DISPLAY;