936 lines
36 KiB
C#
936 lines
36 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Drawing.Imaging;
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namespace TextDesignerCSLibrary
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{
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public class OutlineText : IOutlineText
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{
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public OutlineText()
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{
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m_pTextStrategy = null;
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m_pShadowStrategy = null;
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m_pFontBodyShadow = null;
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m_pBkgdBitmap = null;
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m_clrShadow = System.Drawing.Color.FromArgb(0,0,0);
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m_bEnableShadow = false;
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m_bDiffuseShadow = false;
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m_nShadowThickness = 2;
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disposed = false;
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}
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public OutlineText(OutlineText rhs)
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{
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if (rhs.m_pTextStrategy != null) m_pTextStrategy = rhs.m_pTextStrategy.Clone(); else m_pTextStrategy = null;
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if (rhs.m_pShadowStrategy != null) m_pShadowStrategy = rhs.m_pShadowStrategy.Clone(); else m_pShadowStrategy = null;
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if (rhs.m_pFontBodyShadow != null) m_pFontBodyShadow = rhs.m_pFontBodyShadow.Clone(); else m_pFontBodyShadow = null;
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m_pBkgdBitmap = rhs.m_pBkgdBitmap;
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m_clrShadow = rhs.m_clrShadow;
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m_bEnableShadow = rhs.m_bEnableShadow;
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m_bDiffuseShadow = rhs.m_bDiffuseShadow;
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m_nShadowThickness = rhs.m_nShadowThickness;
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disposed = false;
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}
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public void Dispose()
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{
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Dispose(true);
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GC.SuppressFinalize(this);
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}
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protected virtual void Dispose(bool disposing)
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{
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if (!this.disposed)
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{
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if (disposing)
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{
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if (m_pTextStrategy != null)
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m_pTextStrategy.Dispose();
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if (m_pShadowStrategy != null)
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m_pShadowStrategy.Dispose();
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if (m_pFontBodyShadow != null)
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m_pFontBodyShadow.Dispose();
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if (m_pBkgdBitmap != null)
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m_pBkgdBitmap.Dispose();
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}
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disposed = true;
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}
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}
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~OutlineText()
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{
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Dispose(false);
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}
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public void TextGlow(
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System.Drawing.Color clrText,
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System.Drawing.Color clrOutline,
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int nThickness)
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{
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TextGlowStrategy pStrat = new TextGlowStrategy();
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pStrat.Init(clrText,clrOutline,nThickness);
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m_pTextStrategy = pStrat;
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}
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public void TextGlow(
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System.Drawing.Brush brushText,
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System.Drawing.Color clrOutline,
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int nThickness)
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{
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TextGlowStrategy pStrat = new TextGlowStrategy();
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pStrat.Init(brushText, clrOutline, nThickness);
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m_pTextStrategy = pStrat;
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}
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public void TextOutline(
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System.Drawing.Color clrText,
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System.Drawing.Color clrOutline,
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int nThickness)
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{
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TextOutlineStrategy pStrat = new TextOutlineStrategy();
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pStrat.Init(clrText,clrOutline,nThickness);
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m_pTextStrategy = pStrat;
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}
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public void TextOutline(
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System.Drawing.Brush brushText,
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System.Drawing.Color clrOutline,
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int nThickness)
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{
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TextOutlineStrategy pStrat = new TextOutlineStrategy();
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pStrat.Init(brushText, clrOutline, nThickness);
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m_pTextStrategy = pStrat;
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}
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public void TextDblOutline(
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System.Drawing.Color clrText,
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System.Drawing.Color clrOutline1,
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System.Drawing.Color clrOutline2,
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int nThickness1,
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int nThickness2)
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{
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TextDblOutlineStrategy pStrat = new TextDblOutlineStrategy();
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pStrat.Init(clrText,clrOutline1,clrOutline2,nThickness1,nThickness2);
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m_pTextStrategy = pStrat;
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}
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public void TextDblOutline(
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System.Drawing.Brush brushText,
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System.Drawing.Color clrOutline1,
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System.Drawing.Color clrOutline2,
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int nThickness1,
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int nThickness2)
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{
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TextDblOutlineStrategy pStrat = new TextDblOutlineStrategy();
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pStrat.Init(brushText, clrOutline1, clrOutline2, nThickness1, nThickness2);
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m_pTextStrategy = pStrat;
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}
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public void TextDblGlow(
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System.Drawing.Color clrText,
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System.Drawing.Color clrOutline1,
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System.Drawing.Color clrOutline2,
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int nThickness1,
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int nThickness2)
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{
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TextDblGlowStrategy pStrat = new TextDblGlowStrategy();
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pStrat.Init(clrText, clrOutline1, clrOutline2, nThickness1, nThickness2);
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m_pTextStrategy = pStrat;
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}
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public void TextDblGlow(
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System.Drawing.Brush brushText,
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System.Drawing.Color clrOutline1,
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System.Drawing.Color clrOutline2,
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int nThickness1,
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int nThickness2)
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{
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TextDblGlowStrategy pStrat = new TextDblGlowStrategy();
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pStrat.Init(brushText, clrOutline1, clrOutline2, nThickness1, nThickness2);
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m_pTextStrategy = pStrat;
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}
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public void TextGradOutline(
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System.Drawing.Color clrText,
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System.Drawing.Color clrOutline1,
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System.Drawing.Color clrOutline2,
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int nThickness)
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{
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TextGradOutlineStrategy pStrat = new TextGradOutlineStrategy();
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pStrat.Init(clrText, clrOutline1, clrOutline2, nThickness);
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m_pTextStrategy = pStrat;
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}
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public void TextGradOutline(
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System.Drawing.Brush brushText,
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System.Drawing.Color clrOutline1,
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System.Drawing.Color clrOutline2,
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int nThickness)
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{
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TextGradOutlineStrategy pStrat = new TextGradOutlineStrategy();
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pStrat.Init(brushText, clrOutline1, clrOutline2, nThickness);
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m_pTextStrategy = pStrat;
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}
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public void TextNoOutline(System.Drawing.Color clrText)
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{
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TextNoOutlineStrategy pStrat = new TextNoOutlineStrategy();
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pStrat.Init(clrText);
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m_pTextStrategy = pStrat;
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}
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public void TextNoOutline(System.Drawing.Brush brushText)
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{
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TextNoOutlineStrategy pStrat = new TextNoOutlineStrategy();
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pStrat.Init(brushText);
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m_pTextStrategy = pStrat;
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}
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public void TextOnlyOutline(
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System.Drawing.Color clrOutline,
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int nThickness,
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bool bRoundedEdge)
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{
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TextOnlyOutlineStrategy pStrat = new TextOnlyOutlineStrategy();
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pStrat.Init(clrOutline, nThickness, bRoundedEdge);
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m_pTextStrategy = pStrat;
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}
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public void SetShadowBkgd(System.Drawing.Bitmap pBitmap)
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{
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m_pBkgdBitmap = pBitmap;
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}
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public void SetShadowBkgd(System.Drawing.Color clrBkgd, int nWidth, int nHeight)
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{
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m_pBkgdBitmap = new System.Drawing.Bitmap(nWidth, nHeight, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
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using (System.Drawing.Graphics graphics = System.Drawing.Graphics.FromImage(m_pBkgdBitmap))
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{
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using (System.Drawing.SolidBrush brush = new System.Drawing.SolidBrush(clrBkgd))
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{
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graphics.FillRectangle(brush, 0, 0, m_pBkgdBitmap.Width, m_pBkgdBitmap.Height);
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}
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}
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}
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public void SetNullTextEffect()
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{
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m_pTextStrategy = null;
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}
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public void SetNullShadow()
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{
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m_pFontBodyShadow = null;
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m_pShadowStrategy = null;
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}
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public void EnableShadow(bool bEnable)
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{
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m_bEnableShadow = bEnable;
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}
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public bool IsShadowEnabled()
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{
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return m_bEnableShadow;
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}
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public void Shadow(
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System.Drawing.Color color,
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int nThickness,
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System.Drawing.Point ptOffset)
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{
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TextOutlineStrategy pStrat = new TextOutlineStrategy();
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pStrat.Init(System.Drawing.Color.FromArgb(0,0,0,0),color,nThickness);
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m_clrShadow = color;
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TextOutlineStrategy pFontBodyShadow = new TextOutlineStrategy();
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pFontBodyShadow.Init(System.Drawing.Color.FromArgb(255, 255, 255), System.Drawing.Color.FromArgb(0, 0, 0, 0), 0);
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m_pFontBodyShadow = pFontBodyShadow;
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m_ptShadowOffset = ptOffset;
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m_pShadowStrategy = pStrat;
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m_bDiffuseShadow = false;
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}
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public void DiffusedShadow(
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System.Drawing.Color color,
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int nThickness,
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System.Drawing.Point ptOffset)
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{
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DiffusedShadowStrategy pStrat = new DiffusedShadowStrategy();
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pStrat.Init(System.Drawing.Color.FromArgb(0,0,0,0),color,nThickness,true);
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m_clrShadow = color;
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DiffusedShadowStrategy pFontBodyShadow = new DiffusedShadowStrategy();
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pFontBodyShadow.Init(System.Drawing.Color.FromArgb(color.A, 255, 255), System.Drawing.Color.FromArgb(0, 0, 0, 0), 0, true);
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m_pFontBodyShadow = pFontBodyShadow;
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m_ptShadowOffset = ptOffset;
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m_pShadowStrategy = pStrat;
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m_bDiffuseShadow = true;
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m_bExtrudeShadow = false;
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m_nShadowThickness = nThickness;
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}
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public void Extrude(
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System.Drawing.Color color,
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int nThickness,
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System.Drawing.Point ptOffset)
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{
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ExtrudeStrategy pStrat = new ExtrudeStrategy();
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pStrat.Init(System.Drawing.Color.FromArgb(0, 0, 0, 0), color, nThickness, ptOffset.X, ptOffset.Y);
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m_clrShadow = color;
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ExtrudeStrategy pFontBodyShadow = new ExtrudeStrategy();
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pFontBodyShadow.Init(System.Drawing.Color.FromArgb(color.A, 255, 255), System.Drawing.Color.FromArgb(0, 0, 0, 0), 0, ptOffset.X, ptOffset.Y);
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m_pFontBodyShadow = pFontBodyShadow;
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m_ptShadowOffset = ptOffset;
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m_pShadowStrategy = pStrat;
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m_bExtrudeShadow = true;
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m_bDiffuseShadow = false;
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m_nShadowThickness = nThickness;
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}
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public bool DrawString(
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System.Drawing.Graphics graphics,
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System.Drawing.FontFamily fontFamily,
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System.Drawing.FontStyle fontStyle,
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int nfontSize,
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string strText,
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System.Drawing.Point ptDraw,
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System.Drawing.StringFormat strFormat)
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{
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if (m_bEnableShadow && m_pShadowStrategy != null)
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{
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m_pShadowStrategy.DrawString(
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graphics,
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fontFamily,
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fontStyle,
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nfontSize,
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strText,
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new System.Drawing.Point(ptDraw.X+m_ptShadowOffset.X, ptDraw.Y+m_ptShadowOffset.Y),
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strFormat);
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}
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if (m_bEnableShadow && m_pBkgdBitmap != null && m_pFontBodyShadow != null)
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{
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RenderFontShadow(
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graphics,
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fontFamily,
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fontStyle,
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nfontSize,
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strText,
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new System.Drawing.Point(ptDraw.X + m_ptShadowOffset.X, ptDraw.Y + m_ptShadowOffset.Y),
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strFormat);
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}
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if (m_pTextStrategy != null)
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{
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return m_pTextStrategy.DrawString(
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graphics,
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fontFamily,
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fontStyle,
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nfontSize,
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strText,
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ptDraw,
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strFormat);
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}
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return false;
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}
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public bool DrawString(
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System.Drawing.Graphics graphics,
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System.Drawing.FontFamily fontFamily,
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System.Drawing.FontStyle fontStyle,
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int nfontSize,
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string strText,
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System.Drawing.Rectangle rtDraw,
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System.Drawing.StringFormat strFormat)
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{
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if(m_bEnableShadow &&m_pShadowStrategy!=null)
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{
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m_pShadowStrategy.DrawString(
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graphics,
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fontFamily,
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fontStyle,
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nfontSize,
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strText,
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new System.Drawing.Rectangle(rtDraw.X+m_ptShadowOffset.X, rtDraw.Y+m_ptShadowOffset.Y,rtDraw.Width,rtDraw.Height),
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strFormat);
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}
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if (m_bEnableShadow && m_pBkgdBitmap != null && m_pFontBodyShadow != null)
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{
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RenderFontShadow(
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graphics,
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fontFamily,
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fontStyle,
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nfontSize,
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strText,
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new System.Drawing.Rectangle(rtDraw.X + m_ptShadowOffset.X, rtDraw.Y + m_ptShadowOffset.Y, rtDraw.Width, rtDraw.Height),
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strFormat);
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}
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if (m_pTextStrategy != null)
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{
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return m_pTextStrategy.DrawString(
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graphics,
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fontFamily,
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fontStyle,
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nfontSize,
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strText,
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rtDraw,
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strFormat);
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}
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return false;
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}
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public bool MeasureString(
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System.Drawing.Graphics graphics,
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System.Drawing.FontFamily fontFamily,
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System.Drawing.FontStyle fontStyle,
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int nfontSize,
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string strText,
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System.Drawing.Point ptDraw,
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System.Drawing.StringFormat strFormat,
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ref float fStartX,
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ref float fStartY,
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ref float fDestWidth,
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ref float fDestHeight)
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{
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float fDestWidth1 = 0.0f;
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float fDestHeight1 = 0.0f;
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bool b = false;
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if(m_pTextStrategy!=null)
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{
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b = m_pTextStrategy.MeasureString(
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graphics,
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fontFamily,
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fontStyle,
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nfontSize,
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strText,
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ptDraw,
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strFormat,
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ref fStartX,
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ref fStartY,
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ref fDestWidth1,
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ref fDestHeight1 );
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if(!b)
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return false;
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}
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float fDestWidth2 = 0.0f;
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float fDestHeight2 = 0.0f;
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float fStartX2 = 0.0f;
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float fStartY2 = 0.0f;
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if(m_bEnableShadow)
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{
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b = m_pShadowStrategy.MeasureString(
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graphics,
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fontFamily,
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fontStyle,
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nfontSize,
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strText,
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ptDraw,
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strFormat,
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ref fStartX2,
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ref fStartY2,
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ref fDestWidth2,
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ref fDestHeight2 );
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if(b)
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{
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float fDestWidth3 = 0.0f;
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float fDestHeight3 = 0.0f;
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float fStartX3 = 0.0f;
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float fStartY3 = 0.0f;
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b = GDIPath.ConvertToPixels(graphics, m_ptShadowOffset.X, m_ptShadowOffset.Y,
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ref fStartX3, ref fStartY3, ref fDestWidth3, ref fDestHeight3);
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if(b)
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{
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fDestWidth2 += fDestWidth3;
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fDestHeight2 += fDestHeight3;
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}
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}
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else
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return false;
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}
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if(fDestWidth1>fDestWidth2 || fDestHeight1>fDestHeight2)
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{
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fDestWidth = fDestWidth1;
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fDestHeight = fDestHeight1;
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}
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else
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{
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fDestWidth = fDestWidth2;
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fDestHeight = fDestHeight2;
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}
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return true;
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}
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|
|
|
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public bool MeasureString(
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System.Drawing.Graphics graphics,
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System.Drawing.FontFamily fontFamily,
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System.Drawing.FontStyle fontStyle,
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int nfontSize,
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string strText,
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System.Drawing.Rectangle rtDraw,
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System.Drawing.StringFormat strFormat,
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ref float fStartX,
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ref float fStartY,
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ref float fDestWidth,
|
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ref float fDestHeight)
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{
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float fDestWidth1 = 0.0f;
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float fDestHeight1 = 0.0f;
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bool b = false;
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if (m_pTextStrategy != null)
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{
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b = m_pTextStrategy.MeasureString(
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graphics,
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fontFamily,
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fontStyle,
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nfontSize,
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strText,
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rtDraw,
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strFormat,
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ref fStartX,
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ref fStartY,
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ref fDestWidth1,
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ref fDestHeight1);
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if (!b)
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return false;
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}
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float fDestWidth2 = 0.0f;
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float fDestHeight2 = 0.0f;
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float fStartX2 = 0.0f;
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float fStartY2 = 0.0f;
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if(m_bEnableShadow)
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{
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b = m_pShadowStrategy.MeasureString(
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graphics,
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fontFamily,
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fontStyle,
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nfontSize,
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strText,
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rtDraw,
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strFormat,
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ref fStartX2,
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ref fStartY2,
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ref fDestWidth2,
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ref fDestHeight2 );
|
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|
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if(b)
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{
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float fDestWidth3 = 0.0f;
|
|
float fDestHeight3 = 0.0f;
|
|
float fStartX3 = 0.0f;
|
|
float fStartY3 = 0.0f;
|
|
b = GDIPath.ConvertToPixels(graphics,m_ptShadowOffset.X,m_ptShadowOffset.Y,
|
|
ref fStartX3, ref fStartY3, ref fDestWidth3, ref fDestHeight3);
|
|
if(b)
|
|
{
|
|
fDestWidth2 += fDestWidth3;
|
|
fDestHeight2 += fDestHeight3;
|
|
}
|
|
}
|
|
else
|
|
return false;
|
|
}
|
|
|
|
if(fDestWidth1>fDestWidth2 || fDestHeight1>fDestHeight2)
|
|
{
|
|
fDestWidth = fDestWidth1;
|
|
fDestHeight = fDestHeight1;
|
|
}
|
|
else
|
|
{
|
|
fDestWidth = fDestWidth2;
|
|
fDestHeight = fDestHeight2;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void RenderFontShadow(
|
|
System.Drawing.Graphics graphics,
|
|
System.Drawing.FontFamily fontFamily,
|
|
System.Drawing.FontStyle fontStyle,
|
|
int nfontSize,
|
|
string strText,
|
|
System.Drawing.Point ptDraw,
|
|
System.Drawing.StringFormat strFormat)
|
|
{
|
|
Rectangle rectbmp = new Rectangle(0, 0, m_pBkgdBitmap.Width, m_pBkgdBitmap.Height);
|
|
using (System.Drawing.Bitmap pBmpMask =
|
|
m_pBkgdBitmap.Clone(rectbmp, PixelFormat.Format32bppArgb))
|
|
{
|
|
|
|
using (System.Drawing.Bitmap pBmpFontBodyBackup =
|
|
m_pBkgdBitmap.Clone(rectbmp, PixelFormat.Format32bppArgb))
|
|
{
|
|
|
|
using (System.Drawing.Graphics graphicsMask = System.Drawing.Graphics.FromImage(pBmpMask))
|
|
{
|
|
using (System.Drawing.SolidBrush brushBlack = new System.Drawing.SolidBrush(System.Drawing.Color.FromArgb(0, 0, 0)))
|
|
{
|
|
graphicsMask.FillRectangle(brushBlack, 0, 0, m_pBkgdBitmap.Width, m_pBkgdBitmap.Height);
|
|
|
|
|
|
using (System.Drawing.Bitmap pBmpDisplay =
|
|
m_pBkgdBitmap.Clone(rectbmp, PixelFormat.Format32bppArgb))
|
|
{
|
|
using (System.Drawing.Graphics graphicsBkgd = System.Drawing.Graphics.FromImage(pBmpDisplay))
|
|
{
|
|
|
|
graphicsMask.CompositingMode = graphics.CompositingMode;
|
|
graphicsMask.CompositingQuality = graphics.CompositingQuality;
|
|
graphicsMask.InterpolationMode = graphics.InterpolationMode;
|
|
graphicsMask.SmoothingMode = graphics.SmoothingMode;
|
|
graphicsMask.TextRenderingHint = graphics.TextRenderingHint;
|
|
graphicsMask.PageUnit = graphics.PageUnit;
|
|
graphicsMask.PageScale = graphics.PageScale;
|
|
|
|
graphicsBkgd.CompositingMode = graphics.CompositingMode;
|
|
graphicsBkgd.CompositingQuality = graphics.CompositingQuality;
|
|
graphicsBkgd.InterpolationMode = graphics.InterpolationMode;
|
|
graphicsBkgd.SmoothingMode = graphics.SmoothingMode;
|
|
graphicsBkgd.TextRenderingHint = graphics.TextRenderingHint;
|
|
graphicsBkgd.PageUnit = graphics.PageUnit;
|
|
graphicsBkgd.PageScale = graphics.PageScale;
|
|
|
|
m_pFontBodyShadow.DrawString(
|
|
graphicsMask,
|
|
fontFamily,
|
|
fontStyle,
|
|
nfontSize,
|
|
strText,
|
|
ptDraw,
|
|
strFormat);
|
|
|
|
m_pShadowStrategy.DrawString(
|
|
graphicsBkgd,
|
|
fontFamily,
|
|
fontStyle,
|
|
nfontSize,
|
|
strText,
|
|
ptDraw,
|
|
strFormat);
|
|
|
|
unsafe
|
|
{
|
|
UInt32* pixelsSrc = null;
|
|
UInt32* pixelsDest = null;
|
|
UInt32* pixelsMask = null;
|
|
|
|
BitmapData bitmapDataSrc = new BitmapData();
|
|
BitmapData bitmapDataDest = new BitmapData();
|
|
BitmapData bitmapDataMask = new BitmapData();
|
|
Rectangle rect = new Rectangle(0, 0, m_pBkgdBitmap.Width, m_pBkgdBitmap.Height);
|
|
|
|
pBmpFontBodyBackup.LockBits(
|
|
rect,
|
|
ImageLockMode.WriteOnly,
|
|
PixelFormat.Format32bppArgb,
|
|
bitmapDataSrc);
|
|
|
|
pBmpDisplay.LockBits(
|
|
rect,
|
|
ImageLockMode.WriteOnly,
|
|
PixelFormat.Format32bppArgb,
|
|
bitmapDataDest);
|
|
|
|
pBmpMask.LockBits(
|
|
rect,
|
|
ImageLockMode.WriteOnly,
|
|
PixelFormat.Format32bppArgb,
|
|
bitmapDataMask);
|
|
|
|
|
|
// Write to the temporary buffer provided by LockBits.
|
|
pixelsSrc = (UInt32*)(bitmapDataSrc.Scan0);
|
|
pixelsDest = (UInt32*)(bitmapDataDest.Scan0);
|
|
pixelsMask = (UInt32*)(bitmapDataMask.Scan0);
|
|
|
|
if (pixelsSrc == null || pixelsDest == null || pixelsMask == null)
|
|
return;
|
|
|
|
UInt32 col = 0;
|
|
int stride = bitmapDataDest.Stride >> 2;
|
|
if (m_bDiffuseShadow && m_bExtrudeShadow == false)
|
|
{
|
|
for (UInt32 row = 0; row < bitmapDataDest.Height; ++row)
|
|
{
|
|
for (col = 0; col < bitmapDataDest.Width; ++col)
|
|
{
|
|
UInt32 index = (UInt32)(row * stride + col);
|
|
Byte nAlpha = (Byte)(pixelsMask[index] & 0xff);
|
|
UInt32 clrShadow = (UInt32)(0xff000000 | m_clrShadow.R << 16 | m_clrShadow.G << 8 | m_clrShadow.B);
|
|
if (nAlpha > 0)
|
|
{
|
|
UInt32 clrtotal = clrShadow;
|
|
for (int i = 2; i <= m_nShadowThickness; ++i)
|
|
pixelsSrc[index] = Alphablend(pixelsSrc[index], clrtotal, m_clrShadow.A);
|
|
|
|
pixelsDest[index] = pixelsSrc[index];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (UInt32 row = 0; row < bitmapDataDest.Height; ++row)
|
|
{
|
|
for (col = 0; col < bitmapDataDest.Width; ++col)
|
|
{
|
|
UInt32 index = (UInt32)(row * stride + col);
|
|
Byte nAlpha = (Byte)(pixelsMask[index] & 0xff);
|
|
UInt32 clrShadow = (UInt32)(0xff000000 | m_clrShadow.R << 16 | m_clrShadow.G << 8 | m_clrShadow.B);
|
|
if (nAlpha > 0)
|
|
pixelsDest[index] = Alphablend(pixelsSrc[index], clrShadow, m_clrShadow.A);
|
|
}
|
|
}
|
|
}
|
|
|
|
pBmpMask.UnlockBits(bitmapDataMask);
|
|
pBmpDisplay.UnlockBits(bitmapDataDest);
|
|
pBmpFontBodyBackup.UnlockBits(bitmapDataSrc);
|
|
|
|
graphics.DrawImage(pBmpDisplay, 0, 0, pBmpDisplay.Width, pBmpDisplay.Height);
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void RenderFontShadow(
|
|
System.Drawing.Graphics graphics,
|
|
System.Drawing.FontFamily fontFamily,
|
|
System.Drawing.FontStyle fontStyle,
|
|
int nfontSize,
|
|
string pszText,
|
|
System.Drawing.Rectangle rtDraw,
|
|
System.Drawing.StringFormat strFormat)
|
|
{
|
|
Rectangle rectbmp = new Rectangle(0, 0, m_pBkgdBitmap.Width, m_pBkgdBitmap.Height);
|
|
using (System.Drawing.Bitmap pBmpMask =
|
|
m_pBkgdBitmap.Clone(rectbmp, PixelFormat.Format32bppArgb))
|
|
{
|
|
|
|
using (System.Drawing.Bitmap pBmpFontBodyBackup =
|
|
m_pBkgdBitmap.Clone(rectbmp, PixelFormat.Format32bppArgb))
|
|
{
|
|
|
|
using (System.Drawing.Graphics graphicsMask = System.Drawing.Graphics.FromImage(pBmpMask))
|
|
{
|
|
using (System.Drawing.SolidBrush brushBlack = new System.Drawing.SolidBrush(System.Drawing.Color.FromArgb(0, 0, 0)))
|
|
{
|
|
graphicsMask.FillRectangle(brushBlack, 0, 0, m_pBkgdBitmap.Width, m_pBkgdBitmap.Height);
|
|
|
|
using (System.Drawing.Bitmap pBmpDisplay =
|
|
m_pBkgdBitmap.Clone(rectbmp, PixelFormat.Format32bppArgb))
|
|
{
|
|
using (System.Drawing.Graphics graphicsBkgd = System.Drawing.Graphics.FromImage(pBmpDisplay))
|
|
{
|
|
|
|
graphicsMask.CompositingMode = graphics.CompositingMode;
|
|
graphicsMask.CompositingQuality = graphics.CompositingQuality;
|
|
graphicsMask.InterpolationMode = graphics.InterpolationMode;
|
|
graphicsMask.SmoothingMode = graphics.SmoothingMode;
|
|
graphicsMask.TextRenderingHint = graphics.TextRenderingHint;
|
|
graphicsMask.PageUnit = graphics.PageUnit;
|
|
graphicsMask.PageScale = graphics.PageScale;
|
|
|
|
graphicsBkgd.CompositingMode = graphics.CompositingMode;
|
|
graphicsBkgd.CompositingQuality = graphics.CompositingQuality;
|
|
graphicsBkgd.InterpolationMode = graphics.InterpolationMode;
|
|
graphicsBkgd.SmoothingMode = graphics.SmoothingMode;
|
|
graphicsBkgd.TextRenderingHint = graphics.TextRenderingHint;
|
|
graphicsBkgd.PageUnit = graphics.PageUnit;
|
|
graphicsBkgd.PageScale = graphics.PageScale;
|
|
|
|
m_pFontBodyShadow.DrawString(
|
|
graphicsMask,
|
|
fontFamily,
|
|
fontStyle,
|
|
nfontSize,
|
|
pszText,
|
|
rtDraw,
|
|
strFormat);
|
|
|
|
m_pShadowStrategy.DrawString(
|
|
graphicsBkgd,
|
|
fontFamily,
|
|
fontStyle,
|
|
nfontSize,
|
|
pszText,
|
|
rtDraw,
|
|
strFormat);
|
|
|
|
unsafe
|
|
{
|
|
UInt32* pixelsSrc = null;
|
|
UInt32* pixelsDest = null;
|
|
UInt32* pixelsMask = null;
|
|
|
|
BitmapData bitmapDataSrc = new BitmapData();
|
|
BitmapData bitmapDataDest = new BitmapData();
|
|
BitmapData bitmapDataMask = new BitmapData();
|
|
Rectangle rect = new Rectangle(0, 0, m_pBkgdBitmap.Width, m_pBkgdBitmap.Height);
|
|
|
|
pBmpFontBodyBackup.LockBits(
|
|
rect,
|
|
ImageLockMode.WriteOnly,
|
|
PixelFormat.Format32bppArgb,
|
|
bitmapDataSrc);
|
|
|
|
pBmpDisplay.LockBits(
|
|
rect,
|
|
ImageLockMode.WriteOnly,
|
|
PixelFormat.Format32bppArgb,
|
|
bitmapDataDest);
|
|
|
|
pBmpMask.LockBits(
|
|
rect,
|
|
ImageLockMode.WriteOnly,
|
|
PixelFormat.Format32bppArgb,
|
|
bitmapDataMask);
|
|
|
|
|
|
// Write to the temporary buffer provided by LockBits.
|
|
pixelsSrc = (UInt32*)(bitmapDataSrc.Scan0);
|
|
pixelsDest = (UInt32*)(bitmapDataDest.Scan0);
|
|
pixelsMask = (UInt32*)(bitmapDataMask.Scan0);
|
|
|
|
if (pixelsSrc == null || pixelsDest == null || pixelsMask == null)
|
|
return;
|
|
|
|
UInt32 col = 0;
|
|
int stride = bitmapDataDest.Stride >> 2;
|
|
if (m_bDiffuseShadow && m_bExtrudeShadow == false)
|
|
{
|
|
for (UInt32 row = 0; row < bitmapDataDest.Height; ++row)
|
|
{
|
|
for (col = 0; col < bitmapDataDest.Width; ++col)
|
|
{
|
|
UInt32 index = (UInt32)(row * stride + col);
|
|
Byte nAlpha = (Byte)(pixelsMask[index] & 0xff);
|
|
UInt32 clrShadow = (UInt32)(0xff000000 | m_clrShadow.R << 16 | m_clrShadow.G << 8 | m_clrShadow.B);
|
|
if (nAlpha > 0)
|
|
{
|
|
UInt32 clrtotal = clrShadow;
|
|
for (int i = 2; i <= m_nShadowThickness; ++i)
|
|
pixelsSrc[index] = Alphablend(pixelsSrc[index], clrtotal, m_clrShadow.A);
|
|
|
|
pixelsDest[index] = pixelsSrc[index];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (UInt32 row = 0; row < bitmapDataDest.Height; ++row)
|
|
{
|
|
for (col = 0; col < bitmapDataDest.Width; ++col)
|
|
{
|
|
UInt32 index = (UInt32)(row * stride + col);
|
|
Byte nAlpha = (Byte)(pixelsMask[index] & 0xff);
|
|
UInt32 clrShadow = (UInt32)(0xff000000 | m_clrShadow.R << 16 | m_clrShadow.G << 8 | m_clrShadow.B);
|
|
if (nAlpha > 0)
|
|
pixelsDest[index] = Alphablend(pixelsSrc[index], clrShadow, m_clrShadow.A);
|
|
}
|
|
}
|
|
}
|
|
|
|
pBmpMask.UnlockBits(bitmapDataMask);
|
|
pBmpDisplay.UnlockBits(bitmapDataDest);
|
|
pBmpFontBodyBackup.UnlockBits(bitmapDataSrc);
|
|
|
|
graphics.DrawImage(pBmpDisplay, 0, 0, pBmpDisplay.Width, pBmpDisplay.Height);
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
UInt32 Alphablend(UInt32 dest, UInt32 source, Byte nAlpha)
|
|
{
|
|
if( 0 == nAlpha )
|
|
return dest;
|
|
|
|
if( 255 == nAlpha )
|
|
return source;
|
|
|
|
Byte nInvAlpha = (Byte)(~nAlpha);
|
|
|
|
Byte nSrcRed = (Byte)((source & 0xff0000) >> 16);
|
|
Byte nSrcGreen = (Byte)((source & 0xff00) >> 8);
|
|
Byte nSrcBlue = (Byte)((source & 0xff));
|
|
|
|
Byte nDestRed = (Byte)((dest & 0xff0000) >> 16);
|
|
Byte nDestGreen = (Byte)((dest & 0xff00) >> 8);
|
|
Byte nDestBlue = (Byte)(dest & 0xff);
|
|
|
|
Byte nRed = (Byte)((nSrcRed * nAlpha + nDestRed * nInvAlpha) >> 8);
|
|
Byte nGreen = (Byte)((nSrcGreen * nAlpha + nDestGreen * nInvAlpha) >> 8);
|
|
Byte nBlue = (Byte)((nSrcBlue * nAlpha + nDestBlue * nInvAlpha) >> 8);
|
|
|
|
return (UInt32)(0xff000000 | nRed << 16 | nGreen << 8 | nBlue);
|
|
}
|
|
|
|
|
|
protected ITextStrategy m_pTextStrategy;
|
|
protected ITextStrategy m_pShadowStrategy;
|
|
protected ITextStrategy m_pFontBodyShadow;
|
|
protected System.Drawing.Point m_ptShadowOffset;
|
|
protected System.Drawing.Color m_clrShadow;
|
|
protected System.Drawing.Bitmap m_pBkgdBitmap;
|
|
protected bool m_bEnableShadow;
|
|
protected bool m_bDiffuseShadow;
|
|
protected int m_nShadowThickness;
|
|
protected bool m_bExtrudeShadow;
|
|
protected bool disposed;
|
|
|
|
}
|
|
}
|