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Description
The Microsoft DWrite font backend is primarily used to render text on Microsoft Windows systems.
Functions
cairo_dwrite_font_face_create_for_dwrite_fontface ()
cairo_font_face_t *
cairo_dwrite_font_face_create_for_dwrite_fontface
(void *dwrite_font_face);
Creates a new font for the DWrite font backend based on a
DWrite font face. This font can then be used with
cairo_set_font_face() or cairo_scaled_font_create().
Here is an example of how this function might be used:
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#include <cairo-win32.h> #include <dwrite.h> IDWriteFactory* dWriteFactory = NULL; HRESULT hr = DWriteCreateFactory( DWRITE_FACTORY_TYPE_SHARED, __uuidof(IDWriteFactory), reinterpret_cast<IUnknown**>(&dWriteFactory)); IDWriteFontCollection *systemCollection; hr = dWriteFactory->GetSystemFontCollection(&systemCollection); UINT32 idx; BOOL found; systemCollection->FindFamilyName(L"Segoe UI Emoji", &idx, &found); IDWriteFontFamily *family; systemCollection->GetFontFamily(idx, &family); IDWriteFont *dwritefont; DWRITE_FONT_WEIGHT weight = DWRITE_FONT_WEIGHT_NORMAL; DWRITE_FONT_STYLE style = DWRITE_FONT_STYLE_NORMAL; hr = family->GetFirstMatchingFont(weight, DWRITE_FONT_STRETCH_NORMAL, style, &dwritefont); IDWriteFontFace *dwriteface; hr = dwritefont->CreateFontFace(&dwriteface); cairo_font_face_t *face; face = cairo_dwrite_font_face_create_for_dwrite_fontface(dwriteface); cairo_set_font_face(cr, face); cairo_set_font_size(cr, 70); cairo_move_to(cr, 100, 100); cairo_show_text(cr, "😃"); |
Returns
a newly created cairo_font_face_t. Free with
cairo_font_face_destroy() when you are done using it.
Since: 1.18