Ejemplo n.º 1
0
        public static void ExtDrawTextRun(TextRun run, Win32DCSafeHandle hdc, FontCache fontCache, int x, int baselineY, Underline underline)
        {
            uint crColor = 0u;

            try
            {
                uint colorInt = run.ColorInt;
                if (underline != null)
                {
                    underline.Draw(hdc, (int)((double)run.UnderlineHeight * 0.085), colorInt);
                }
                crColor = Win32.SetTextColor(hdc, colorInt);
                CachedFont cachedFont = run.GetCachedFont(hdc, fontCache);
                fontCache.SelectFontObject(hdc, cachedFont.Hfont);
                int[] lpDx      = null;
                uint  fuOptions = 0u;
                if (run.ScriptAnalysis.fRTL == 1)
                {
                    fuOptions = 128u;
                }
                if (!Win32.ExtTextOut(hdc, x, baselineY, fuOptions, IntPtr.Zero, run.Text, (uint)run.Text.Length, lpDx))
                {
                    Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
                }
            }
            finally
            {
                crColor = Win32.SetTextColor(hdc, crColor);
            }
        }
Ejemplo n.º 2
0
        public static void DrawClippedTextRun(TextRun run, Win32DCSafeHandle hdc, FontCache fontCache, int x, int baselineY, uint fontColorOverride, Rectangle clipRect, Underline underline)
        {
            uint   crColor = 0u;
            IntPtr intPtr  = IntPtr.Zero;

            try
            {
                if (underline != null)
                {
                    underline.Draw(hdc, (int)((double)run.UnderlineHeight * 0.085), fontColorOverride);
                }
                RECT rECT = default(RECT);
                rECT.left   = clipRect.Left;
                rECT.right  = clipRect.Right;
                rECT.top    = clipRect.Top;
                rECT.bottom = clipRect.Bottom;
                crColor     = Win32.SetTextColor(hdc, fontColorOverride);
                GlyphData      glyphData            = run.GetGlyphData(hdc, fontCache);
                GlyphShapeData glyphScriptShapeData = glyphData.GlyphScriptShapeData;
                CachedFont     cachedFont           = run.GetCachedFont(hdc, fontCache);
                fontCache.SelectFontObject(hdc, cachedFont.Hfont);
                intPtr = Marshal.AllocHGlobal(Marshal.SizeOf(rECT));
                Marshal.StructureToPtr(rECT, intPtr, false);
                int num = Win32.ScriptTextOut(hdc, ref cachedFont.ScriptCache, x, baselineY, 4u, intPtr, ref run.SCRIPT_ANALYSIS, IntPtr.Zero, 0, glyphScriptShapeData.Glyphs, glyphScriptShapeData.GlyphCount, glyphData.Advances, (int[])null, glyphData.GOffsets);
                if (Win32.Failed(num))
                {
                    Marshal.ThrowExceptionForHR(num);
                }
            }
            finally
            {
                if (intPtr != IntPtr.Zero)
                {
                    Marshal.FreeHGlobal(intPtr);
                }
                crColor = Win32.SetTextColor(hdc, crColor);
            }
        }
Ejemplo n.º 3
0
        public static void DrawTextRun(TextRun run, Win32DCSafeHandle hdc, FontCache fontCache, int x, int baselineY, Underline underline)
        {
            uint crColor = 0u;

            try
            {
                uint colorInt = run.ColorInt;
                if (underline != null)
                {
                    underline.Draw(hdc, (int)((double)run.UnderlineHeight * 0.085), colorInt);
                }
                crColor = Win32.SetTextColor(hdc, colorInt);
                GlyphData      glyphData            = run.GetGlyphData(hdc, fontCache);
                GlyphShapeData glyphScriptShapeData = glyphData.GlyphScriptShapeData;
                CachedFont     cachedFont           = run.GetCachedFont(hdc, fontCache);
                fontCache.SelectFontObject(hdc, cachedFont.Hfont);
                int num = Win32.ScriptTextOut(hdc, ref cachedFont.ScriptCache, x, baselineY, 4u, IntPtr.Zero, ref run.SCRIPT_ANALYSIS, IntPtr.Zero, 0, glyphScriptShapeData.Glyphs, glyphScriptShapeData.GlyphCount, glyphData.Advances, (int[])null, glyphData.GOffsets);
                if (Win32.Failed(num))
                {
                    Marshal.ThrowExceptionForHR(num);
                }
            }
            finally
            {
                crColor = Win32.SetTextColor(hdc, crColor);
            }
        }