コード例 #1
0
            private static unsafe int DrawGlyphRunImpl(IntPtr thisObject, IntPtr clientDrawingContextPtr, float baselineOriginX, float baselineOriginY, MeasuringMode measuringMode, GlyphRun.__Native *glyphRunNative, GlyphRunDescription.__Native *glyphRunDescriptionNative, IntPtr clientDrawingEffectPtr)
            {
                try
                {
                    IDWriteTextRendererShadow shadow   = ToShadow <IDWriteTextRendererShadow>(thisObject);
                    IDWriteTextRenderer       callback = (IDWriteTextRenderer)shadow.Callback;

                    using (var glyphRun = new GlyphRun())
                    {
                        glyphRun.__MarshalFrom(ref *glyphRunNative);

                        var glyphRunDescription = new GlyphRunDescription();
                        glyphRunDescription.__MarshalFrom(ref *glyphRunDescriptionNative);

                        callback.DrawGlyphRun(clientDrawingContextPtr,
                                              baselineOriginX,
                                              baselineOriginY,
                                              measuringMode,
                                              glyphRun,
                                              ref glyphRunDescription,
                                              clientDrawingEffectPtr == IntPtr.Zero ? null : (IUnknown)Marshal.GetObjectForIUnknown(clientDrawingEffectPtr));
                    }
                    return(Result.Ok.Code);
                }
                catch (Exception ex)
                {
                    return(Result.GetResultFromException(ex).Code);
                }
            }
コード例 #2
0
            private static unsafe int DrawStrikethroughImpl(IntPtr thisObject, IntPtr clientDrawingContextPtr, float baselineOriginX, float baselineOriginY, Strikethrough.__Native *strikethroughNative, IntPtr clientDrawingEffectPtr)
            {
                try
                {
                    IDWriteTextRendererShadow shadow   = ToShadow <IDWriteTextRendererShadow>(thisObject);
                    IDWriteTextRenderer       callback = (IDWriteTextRenderer)shadow.Callback;

                    var strikethrough = new Strikethrough();
                    strikethrough.__MarshalFrom(ref *strikethroughNative);
                    callback.DrawStrikethrough(clientDrawingContextPtr,
                                               baselineOriginX,
                                               baselineOriginY,
                                               ref strikethrough,
                                               clientDrawingEffectPtr == IntPtr.Zero ? null : (IUnknown)Marshal.GetObjectForIUnknown(clientDrawingEffectPtr));
                    return(Result.Ok.Code);
                }
                catch (Exception ex)
                {
                    return(Result.GetResultFromException(ex).Code);
                }
            }
コード例 #3
0
            private static int DrawInlineObjectImpl(IntPtr thisObject, IntPtr clientDrawingContextPtr, float originX, float originY, IntPtr inlineObject, int isSideways, int isRightToLeft, IntPtr clientDrawingEffectPtr)
            {
                try
                {
                    IDWriteTextRendererShadow shadow   = ToShadow <IDWriteTextRendererShadow>(thisObject);
                    IDWriteTextRenderer       callback = (IDWriteTextRenderer)shadow.Callback;

                    callback.DrawInlineObject(clientDrawingContextPtr,
                                              originX,
                                              originY,
                                              inlineObject == IntPtr.Zero ? null : new IDWriteInlineObjectNative(inlineObject),
                                              isSideways != 0,
                                              isRightToLeft != 0,
                                              clientDrawingEffectPtr == IntPtr.Zero ? null : (IUnknown)Marshal.GetObjectForIUnknown(clientDrawingEffectPtr));
                    return(Result.Ok.Code);
                }
                catch (Exception ex)
                {
                    return(Result.GetResultFromException(ex).Code);
                }
            }