internal void Render(IntPtr hdc, RenderParameter param, RenderProfile prof, int y)
{
if (_text[0] == '\0')
{
return; //何も描かなくてよい
}
float fx = (float)param.TargetRect.Left;
RectangleF rect = new RectangleF();
rect.Y = param.TargetRect.Top + y;
rect.Height = prof.Pitch.Height;
GWord word = _firstWord;
while (word != null)
{
rect.X = fx /*- prof.CharGap*/; //Nativeな描画では不要？
rect.Width = param.TargetRect.Right - rect.X;
int ix = (int)rect.X;
int iy = (int)rect.Y;
TextDecoration dec = word.Decoration;
//Brush brush = prof.CalcTextBrush(dec);
uint forecolorref = DrawUtil.ToCOLORREF(prof.CalcTextColor(dec));
Color bkcolor = prof.CalcBackColor(dec);
uint bkcolorref = DrawUtil.ToCOLORREF(bkcolor);
IntPtr hfont = prof.CalcHFONT_NoUnderline(dec, word.CharGroup);
Win32.SelectObject(hdc, hfont);
Win32.SetTextColor(hdc, forecolorref);
Win32.SetBkColor(hdc, bkcolorref);
Win32.SetBkMode(hdc, bkcolor == prof.BackColor? 1 : 2); //基本背景色と一緒ならTRANSPARENT, 異なればOPAQUE
IntPtr bkbrush = bkcolor == prof.BackColor? IntPtr.Zero : Win32.CreateSolidBrush(bkcolorref);
int display_length = WordDisplayLength(word);
if (word.Decoration == null) //装飾なし
//g.DrawString(WordText(word), font, brush, rect);
{
DrawWord(hdc, ix, iy, word);
}
else
{
//if(dec.Bold || (!prof.UsingIdenticalFont && word.CharGroup==CharGroup.TwoBytes))
if (dec.Bold || word.CharGroup == CharGroup.TwoBytes) //同じフォント指定でも日本語が半角の２倍でない場合あり。パフォーマンス問題はクリアされつつあるので確実に１文字ずつ描画
{
DrawStringByOneChar2(hdc, word, display_length, bkbrush, rect.X, iy, prof);
}
else
{
DrawWord(hdc, ix, iy, word); //いまやアホな描画エンジンの問題からは解放された！
}
}
//Debug.WriteLine("PW="+p.Pitch.Width+",TL="+(pb.Text.Length*p.Pitch.Width)+", real="+g.MeasureString(pb.Text, p.Font).Width);
if (dec.Underline)
{
DrawUnderline(hdc, forecolorref, ix, iy + (int)prof.Pitch.Height - 1, (int)(prof.Pitch.Width * display_length));
}
fx += prof.Pitch.Width * display_length;
word = word.Next;
if (bkbrush != IntPtr.Zero)
{
Win32.DeleteObject(bkbrush);
}
}
}
internal void Render(IntPtr hdc, RenderProfile prof, Color baseBackColor, int x, int y)
{
if (_text.Length == 0 || _text[0] == '\0')
{
return; //何も描かなくてよい。これはよくあるケース
}
float fx0 = (float)x;
float fx1 = fx0;
int y1 = y;
int y2 = y1 + (int)prof.Pitch.Height;
float pitch = prof.Pitch.Width;
int defaultBackColorArgb = baseBackColor.ToArgb();
Win32.SetBkMode(hdc, Win32.TRANSPARENT);
GWord word = _firstWord;
while (word != null)
{
TextDecoration dec = word.Decoration;
IntPtr hFont = prof.CalcHFONT_NoUnderline(dec, word.CharGroup);
Win32.SelectObject(hdc, hFont);
uint foreColorRef = DrawUtil.ToCOLORREF(prof.CalcTextColor(dec));
Win32.SetTextColor(hdc, foreColorRef);
Color bkColor = prof.CalcBackColor(dec);
bool isOpaque = (bkColor.ToArgb() != defaultBackColorArgb);
if (isOpaque)
{
uint bkColorRef = DrawUtil.ToCOLORREF(bkColor);
Win32.SetBkColor(hdc, bkColorRef);
}
int nextOffset = GetNextOffset(word);
float fx2 = fx0 + pitch * nextOffset;
if (prof.CalcBold(dec) || CharGroupUtil.IsCJK(word.CharGroup))
{
// It is not always true that width of a character in the CJK font is twice of a character in the ASCII font.
// Characters are drawn one by one to adjust pitch.
int step = CharGroupUtil.GetColumnsPerCharacter(word.CharGroup);
float charPitch = pitch * step;
int offset = word.Offset;
float fx = fx1;
if (isOpaque)
{
// If background fill is required, we call ExtTextOut() with ETO_OPAQUE to draw the first character.
if (offset < nextOffset)
{
Win32.RECT rect = new Win32.RECT((int)fx1, y1, (int)fx2, y2);
char ch = _text[offset];
Debug.Assert(ch != GLine.WIDECHAR_PAD);
unsafe {
Win32.ExtTextOut(hdc, rect.left, rect.top, Win32.ETO_OPAQUE, &rect, &ch, 1, null);
}
}
offset += step;
fx += charPitch;
}
for (; offset < nextOffset; offset += step)
{
char ch = _text[offset];
Debug.Assert(ch != GLine.WIDECHAR_PAD);
unsafe {
Win32.ExtTextOut(hdc, (int)fx, y1, 0, null, &ch, 1, null);
}
fx += charPitch;
}
}
else
{
int offset = word.Offset;
int displayLength = nextOffset - offset;
if (isOpaque)
{
Win32.RECT rect = new Win32.RECT((int)fx1, y1, (int)fx2, y2);
unsafe
{
fixed(char *p = &_text[offset])
{
Win32.ExtTextOut(hdc, rect.left, rect.top, Win32.ETO_OPAQUE, &rect, p, displayLength, null);
}
}
}
else
{
unsafe
{
fixed(char *p = &_text[offset])
{
Win32.ExtTextOut(hdc, (int)fx1, y1, 0, null, p, displayLength, null);
}
}
}
}
if (dec.Underline)
{
DrawUnderline(hdc, foreColorRef, (int)fx1, y2 - 1, (int)fx2 - (int)fx1);
}
fx1 = fx2;
word = word.Next;
}
}
