gdipp_server/dw_renderer.h

   1 #pragma once
   2
   3 #include "gdipp_server/renderer.h"
   4
   5 class dw_renderer : public renderer, public IDWriteTextRenderer
   6 {
   7 public:
   8         dw_renderer();
   9
  10         bool begin(const dc_context *context, FT_Render_Mode render_mode);
  11
  12 private:
  13         bool make_glyph_texture(FLOAT x, FLOAT y, const DWRITE_GLYPH_RUN *dw_glyph_run, glyph_run *a_glyph_run);
  14         bool render_glyph(LPCWSTR lpString, UINT c, glyph_run &new_glyph_run);
  15         bool render_text(LPCWSTR lpString, UINT c, glyph_run &new_glyph_run);
  16         bool render(bool is_glyph_index, bool is_pdy, LPCWSTR lpString, UINT c, CONST INT *lpDx, glyph_run &new_glyph_run);
  17
  18         //////////////////////////////////////////////////////////////////////////
  19
  20         IFACEMETHOD(QueryInterface)(
  21                 /* [in] */ REFIID riid,
  22                 /* [iid_is][out] */ __RPC__deref_out void __RPC_FAR *__RPC_FAR *ppvObject);
  23         IFACEMETHOD_(ULONG, AddRef)( void);
  24         IFACEMETHOD_(ULONG, Release)( void);
  25
  26         //////////////////////////////////////////////////////////////////////////
  27
  28         IFACEMETHOD(IsPixelSnappingDisabled)(
  29                 __maybenull void* clientDrawingContext,
  30                 __out BOOL* isDisabled
  31                 );
  32         IFACEMETHOD(GetCurrentTransform)(
  33                 __maybenull void* clientDrawingContext,
  34                 __out DWRITE_MATRIX* transform
  35                 );
  36         IFACEMETHOD(GetPixelsPerDip)(
  37                 __maybenull void* clientDrawingContext,
  38                 __out FLOAT* pixelsPerDip
  39                 );
  40
  41         //////////////////////////////////////////////////////////////////////////
  42
  43         IFACEMETHOD(DrawGlyphRun)(
  44                 __maybenull void* clientDrawingContext,
  45                 FLOAT baselineOriginX,
  46                 FLOAT baselineOriginY,
  47                 DWRITE_MEASURING_MODE measuringMode,
  48                 __in DWRITE_GLYPH_RUN const* glyphRun,
  49                 __in DWRITE_GLYPH_RUN_DESCRIPTION const* glyphRunDescription,
  50                 __maybenull IUnknown* clientDrawingEffect
  51                 );
  52         IFACEMETHOD(DrawUnderline)(
  53                 __maybenull void* clientDrawingContext,
  54                 FLOAT baselineOriginX,
  55                 FLOAT baselineOriginY,
  56                 __in DWRITE_UNDERLINE const* underline,
  57                 __maybenull IUnknown* clientDrawingEffect
  58                 );
  59         IFACEMETHOD(DrawStrikethrough)(
  60                 __maybenull void* clientDrawingContext,
  61                 FLOAT baselineOriginX,
  62                 FLOAT baselineOriginY,
  63                 __in DWRITE_STRIKETHROUGH const* strikethrough,
  64                 __maybenull IUnknown* clientDrawingEffect
  65                 );
  66         IFACEMETHOD(DrawInlineObject)(
  67                 __maybenull void* clientDrawingContext,
  68                 FLOAT originX,
  69                 FLOAT originY,
  70                 IDWriteInlineObject* inlineObject,
  71                 BOOL isSideways,
  72                 BOOL isRightToLeft,
  73                 __maybenull IUnknown* clientDrawingEffect
  74                 );
  75
  76         static IDWriteFactory *_dw_factory;
  77         static IDWriteGdiInterop *_dw_gdi_interop;
  78
  79         std::vector<FLOAT> _advances;
  80         DWRITE_MEASURING_MODE _dw_measuring_mode;
  81         FLOAT _em_size;
  82         FLOAT _pixels_per_dip;
  83         bool _use_gdi_natural;
  84 };