| public MeasureCharacterRanges ( string text, Font font, RectangleF layoutRect, StringFormat stringFormat ) : Region[] | ||
| text | string | |
| font | Font | |
| layoutRect | RectangleF | |
| stringFormat | StringFormat | |
| Результат | Region[] | |
public DisplayCharacterRanges(System.Drawing.Graphics gr, System.Drawing.Font font, StringFormat format, string text)
{
_rectF = new RectangleF[text.Length];
int c = 0;
float xOffset = 0;
for (int l = 0; l < text.Length; l += 32, c += 32)
{
string t = text.Substring(l, Math.Min(32, text.Length - l));
CharacterRange[] ranges = new CharacterRange[t.Length];
for (int i = 0; i < t.Length; i++)
{
ranges[i] = new CharacterRange(i, 1);
}
format.SetMeasurableCharacterRanges(ranges);
SizeF size = gr.MeasureString(t, font);
Region[] regions = gr.MeasureCharacterRanges(t, font, new RectangleF(0, 0, size.Width, size.Height), format);
for (int i = 0; i < regions.Length; i++)
{
_rectF[c + i] = regions[i].GetBounds(gr);
_rectF[c + i].X += xOffset;
regions[i].Dispose();
}
xOffset = _rectF[c + t.Length - 1].X + _rectF[c + t.Length - 1].Width;
}
}
private RectangleF MeasureString(System.Drawing.Graphics graphics, string text, System.Drawing.Font font)
{
bool isEmpty = false;
if (string.IsNullOrEmpty(text))
{
isEmpty = true;
text = " ";
}
var format = CreateStringFormat(text);
var rectangle = new RectangleF(0, 0, float.PositiveInfinity, float.PositiveInfinity);
var regions = graphics.MeasureCharacterRanges(text, font, rectangle, format);
Debug.Assert(regions.Length == 1);
rectangle = regions[0].GetBounds(graphics);
if (isEmpty)
{
rectangle.Width = 0;
}
else
{
rectangle.Width += 1.0f;
}
return(rectangle);
}
internal java.awt.geom.Rectangle2D GetStringBounds(String aString, System.Drawing.Graphics g)
{
// TODO (KR) Could replace with System.Windows.Forms.TextRenderer#MeasureText (to skip creating Graphics)
//
// From .NET Framework Class Library documentation for Graphics#MeasureString:
//
// To obtain metrics suitable for adjacent strings in layout (for
// example, when implementing formatted text), use the
// MeasureCharacterRanges method or one of the MeasureString
// methods that takes a StringFormat, and pass GenericTypographic.
// Also, ensure the TextRenderingHint for the Graphics is
// AntiAlias.
//
// TODO (KR) Consider implementing with one of the Graphics#MeasureString methods that takes a StringFormat.
// TODO (KR) Consider implementing with Graphics#MeasureCharacterRanges().
if (aString.Length == 0)
{
SizeF size = g.MeasureString(aString, GetNetFont(), Int32.MaxValue, StringFormat.GenericTypographic);
return(new java.awt.geom.Rectangle2D.Float(0, 0, size.Width, size.Height));
}
else
{
StringFormat format = new StringFormat(StringFormatFlags.MeasureTrailingSpaces | StringFormatFlags.NoWrap);
format.Trimming = StringTrimming.None;
format.SetMeasurableCharacterRanges(new CharacterRange[] { new CharacterRange(0, aString.Length) });
Region[] regions = g.MeasureCharacterRanges(aString, GetNetFont(), new RectangleF(0, 0, int.MaxValue, int.MaxValue), format);
SizeF size = regions[0].GetBounds(g).Size;
regions[0].Dispose();
return(new java.awt.geom.Rectangle2D.Float(0, -getAscent(), size.Width, size.Height));
}
}
private void drawFormattedText(string s, Font f, SolidBrush brush, RectangleF drawRect)
{
string s1, s2, s3;
int i, j, len, r;
CharacterRange[] ranges = new CharacterRange[5];
StringFormat stringFormat1 = new StringFormat();
r = 0;
len = s.Length;
i = s.IndexOf('*');
while (i != -1)
{
j = s.IndexOf('*', i + 1);
CharacterRange range = new CharacterRange(i, j - i - 1);
ranges[++r] = range;
s1 = s.Substring(0, i); // text before bold
s2 = s.Substring(i + 1, j - i - 1); // just the bold text
s3 = s.Substring(j + 1); // text after the bold
s = s1 + s2 + s3;
i = s.IndexOf('*');
}
stringFormat1.SetMeasurableCharacterRanges(ranges);
Region[] charRegion = graphics.MeasureCharacterRanges(s,
f, drawRect, stringFormat1);
graphics.DrawString(s, f, brush, drawRect);
int k;
for (k = 0; k < charRegion.Length; k++)
{
graphics.FillRegion(new SolidBrush(Color.FromArgb(50, Color.Fuchsia)), charRegion[k]);
}
}
public static int GetDisplayLength(Graphics g, string s, Font font, TextDrawingMode textDrawingMode)
{
if (string.IsNullOrEmpty(s))
return 0;
if (textDrawingMode == TextDrawingMode.GRAPHICS)
{
if (s.Contains("\t"))
s = s.Replace("\t", " ");
ranges[0].Length = s.Length;
//CharacterRange[] ranges = new CharacterRange[] { new CharacterRange(0, s.Length) };
sf.SetMeasurableCharacterRanges(ranges);
Region[] regions = g.MeasureCharacterRanges(s, font, layoutRect, sf);
RectangleF rectF = regions[0].GetBounds(g);
//return (int)rectF.Width;//プロポーショナルでなくても数ピクセルずれる
return (int)((int)((rectF.Width - 1) / fontDisplaySize + 0.95f) * fontDisplaySize);
}
else if (textDrawingMode == TextDrawingMode.TEXTRENDERER)
{
Size size = TextRenderer.MeasureText(g, s, font, layoutSize, TextFormatFlags.NoPadding | TextFormatFlags.NoPrefix);
//Size size = TextRenderer.MeasureText(g, s, StaticConfig.Font);
return size.Width;
}
else// if (StaticConfig.TextDrawingMode == TextDrawingMode.WINAPI)
{
Size size = GDI.MeasureText(s, font);
return size.Width;
}
//来るわけがない
//else
// throw new ExeEE("描画モード不明");
}
/// <summary>
/// Updates the width of the word as it would be
/// when drawn with the specified font in the specified graphics.
/// </summary>
public virtual void UpdateMeasures(Graphics graphics, Font font)
{
string word = _value;
int rangePos = 0;
int rangeLen = word.Length;
if (IsWhitespace)
{
// Enclose the word in printable characters for
// Graphics.MeasureText to work correctly.
// Furthermore tabs are not measured, so replace
// tabs with, say, 4 spaces
word = "W" + word + "W";
word = word.Replace("\t", " ");
rangePos = 1;
rangeLen = word.Length - 2;
}
_sformat.SetMeasurableCharacterRanges(new CharacterRange[]
{
new CharacterRange(rangePos, rangeLen)
});
Region[] r = graphics.MeasureCharacterRanges(
word, font, _srect, _sformat);
RectangleF bounds = r[0].GetBounds(graphics);
r[0].Dispose();
_width = bounds.Width;
}
private static RectangleF MeasureRectangle(System.Drawing.Graphics graphics, int fontSize, System.Drawing.Font font, string s)
{
var stringFormat = new StringFormat(StringFormatFlags.NoWrap);
stringFormat.SetMeasurableCharacterRanges(new[] { new CharacterRange(0, 1) });
var ranges = graphics.MeasureCharacterRanges(s, font, new RectangleF(0, 0, 10 * fontSize, 10 * fontSize), stringFormat);
var rect = ranges[0].GetBounds(graphics);
return(rect);
}
public static SizeF MeasureString(Graphics g, string str, Font font, Rectangle rect, StringFormat sf)
{
var sfTemp = sf.Clone() as StringFormat;
var ranges = new CharacterRange[] { new CharacterRange(0, str.Length) };
sfTemp.SetMeasurableCharacterRanges(ranges);
var regions = g.MeasureCharacterRanges(str, font, rect, sfTemp);
if (regions != null && regions.Length > 0) return regions[0].GetBounds(g).Size;
return new SizeF();
}
private static SizeF GetTextSize(string str, Graphics g, bool fTitle) {
SizeF empty = SizeF.Empty;
CharacterRange[] ranges = new CharacterRange[] { new CharacterRange(0, str.Length) };
sfMeasure.SetMeasurableCharacterRanges(ranges);
Region[] regionArray = g.MeasureCharacterRanges(str, fTitle ? font : fontSubText, rctMeasure, sfMeasure);
using(regionArray[0]) {
empty = regionArray[0].GetBounds(g).Size;
empty.Width += 6f;
}
return empty;
}
/// <summary>
/// Measures the Size of a Text.
/// </summary>
/// <param name="g">Graphics object used to draw the text</param>
/// <param name="text">The text</param>
/// <param name="font">Font used to draw the text</param>
/// <returns></returns>
public static SizeF measureText(Graphics g, string text, Font font)
{
if (text == null) return Size.Empty;
StringFormat format = new StringFormat();
RectangleF rect = new RectangleF(0, 0, 1000, 1000);
CharacterRange[] ranges = { new CharacterRange(0, text.Length) };
Region[] regions = new Region[1];
format.SetMeasurableCharacterRanges(ranges);
regions = g.MeasureCharacterRanges(text, font, rect, format);
rect = regions[0].GetBounds(g);
return new SizeF(rect.Right + 1f, rect.Bottom + 1f);
}
private static int StringWidth(Graphics graphics, string text, Font font)
{
System.Drawing.StringFormat format = new System.Drawing.StringFormat();
System.Drawing.RectangleF rect = new System.Drawing.RectangleF(0, 0, 1000, 1000);
System.Drawing.CharacterRange[] ranges = { new System.Drawing.CharacterRange(0, text.Length) };
System.Drawing.Region[] regions = new System.Drawing.Region[1];
format.SetMeasurableCharacterRanges(ranges);
regions = graphics.MeasureCharacterRanges(text, font, rect, format);
rect = regions[0].GetBounds(graphics);
return (int)(rect.Right + 1.0f);
}
public static int MeasureCharWidth( Graphics graphics, char c, Font font)
{
if (c == ' ') c = '_';
char[] ch = new char[1];
ch[0] = c;
string str = new string( ch );
StringFormat format = new StringFormat( StringFormat.GenericTypographic );
RectangleF rect = new RectangleF( 0, 0, 1000, 1000 );
CharacterRange[] ranges = { new CharacterRange( 0, str.Length ) };
Region[] regions = new Region[1];
format.SetMeasurableCharacterRanges( ranges );
regions = graphics.MeasureCharacterRanges( str, font, rect, format );
rect = regions[0].GetBounds( graphics );
return (int)(rect.Right + 1.0f);
}
public static Size GetTextSize(Graphics graphics, string text, Font font, Size size)
{
if (text.Length == 0)
{
return Size.Empty;
}
StringFormat stringFormat = new StringFormat();
stringFormat.FormatFlags = StringFormatFlags.FitBlackBox;
RectangleF layoutRect = new RectangleF(0f, 0f, size.Width, size.Height);
CharacterRange[] ranges = new CharacterRange[] {new CharacterRange(0, text.Length)};
Region[] regionArray = new Region[1];
stringFormat.SetMeasurableCharacterRanges(ranges);
Rectangle rectangle =
Rectangle.Round(graphics.MeasureCharacterRanges(text, font, layoutRect, stringFormat)[0].GetBounds(graphics));
return new Size(rectangle.Width, rectangle.Height);
}
public static RectangleF MeasureDisplayStringWidth(Graphics graphics, string text, Font font)
{
var zFormat = new StringFormat
{
Alignment = StringAlignment.Near,
LineAlignment = StringAlignment.Near,
};
var rect = new RectangleF(0, 0, 65536, 65536);
CharacterRange[] ranges = { new CharacterRange(0, text.Length) };
var regions = new Region[1];
zFormat.SetMeasurableCharacterRanges(ranges);
regions = graphics.MeasureCharacterRanges(text, font, rect, zFormat);
rect = regions[0].GetBounds(graphics);
return rect;
}
public static Size GetTextSize(Graphics graphics, string text, Font font, Size size)
{
if(text.Length == 0) return Size.Empty;
StringFormat format = new StringFormat();
format.FormatFlags = StringFormatFlags.FitBlackBox; //MeasureTrailingSpaces;
RectangleF layoutRect = new System.Drawing.RectangleF(0, 0, size.Width, size.Height);
CharacterRange[] chRange = {new CharacterRange(0, text.Length)};
Region[] regs = new Region[1];
format.SetMeasurableCharacterRanges(chRange);
regs = graphics.MeasureCharacterRanges(text, font, layoutRect, format);
Rectangle rect = Rectangle.Round(regs[0].GetBounds(graphics));
return new Size(rect.Width, rect.Height);
}
/// <summary>
/// Measures the actual width of the text
/// http://www.codeproject.com/KB/GDI-plus/measurestring.aspx
/// </summary>
public static Int32 MeasureDisplayStringWidth(Graphics graphics, String text, Font font)
{
try
{
StringFormat format = new StringFormat();
RectangleF rect = new RectangleF(0, 0, 1000, 1000);
CharacterRange[] ranges = { new CharacterRange(0, text.Length) };
Region[] regions = new Region[1];
format.SetMeasurableCharacterRanges(ranges);
regions = graphics.MeasureCharacterRanges(text, font, rect, format);
rect = regions[0].GetBounds(graphics);
return (Int32)rect.Right;
}
catch (IndexOutOfRangeException)
{
return 0;
}
}
//////////////////////////////////////////////////////////////////////////
public static SizeF MeasureDisplayStringWidth(Graphics graphics, string text, Font font)
{
if (text == "") return new SizeF(0, 0);
System.Drawing.StringFormat format = new System.Drawing.StringFormat();
System.Drawing.RectangleF rect = new System.Drawing.RectangleF(0, 0, 1000, 1000);
System.Drawing.CharacterRange[] ranges =
{ new System.Drawing.CharacterRange(0,
text.Length) };
System.Drawing.Region[] regions = new System.Drawing.Region[1];
format.SetMeasurableCharacterRanges(ranges);
regions = graphics.MeasureCharacterRanges(text, font, rect, format);
rect = regions[0].GetBounds(graphics);
return new SizeF(rect.Right + 1.0f, rect.Bottom);
}
public static Size MeasureString(Graphics graphics, string text, Font font, RectangleF bounds, StringFormat format)
{
var size = Size.Empty;
using (format = new StringFormat(format))
{
if (bounds.IsEmpty)
{
bounds = new RectangleF(0, 0, float.MaxValue, float.MaxValue);
// We need to clear RightToLeft and set StringAlignment.Near, otherwise we get an incorrect measurement.
format.FormatFlags &= ~StringFormatFlags.DirectionRightToLeft;
format.Alignment = StringAlignment.Near;
format.LineAlignment = StringAlignment.Near;
}
try
{
// Measure text
format.SetMeasurableCharacterRanges(new[] { new CharacterRange(0, text.Length) });
var regions = graphics.MeasureCharacterRanges(text, font, bounds, format);
// Need to use Right and Bottom to account for leadingi
var rect = regions[0].GetBounds(graphics);
size = new Size((int)Math.Ceiling(rect.Right), (int)Math.Ceiling(rect.Bottom));
// Remain compatible with Graphics.MeasureString
size.Height += 1;
}
catch (ExternalException ex)
{
// eat the exception when the text is too long.
if (ex.ErrorCode != NativeMethods.E_FAIL)
{
throw;
}
size = Size.Empty;
}
}
return size;
}
//adapted from http://www.codeproject.com/KB/GDI-plus/measurestring.aspx
public static SizeF MeasureDisplayStringWidth(System.Drawing.Graphics gCanvas, string sText, Font fntFont)
{
System.Drawing.StringFormat sfFormat = new System.Drawing.StringFormat();
System.Drawing.RectangleF rtRect = new System.Drawing.RectangleF(0, 0,
1000, 1000);
System.Drawing.CharacterRange[] craRanges = { new System.Drawing.CharacterRange(0, sText.Length) };
System.Drawing.Region[] raRegions = new System.Drawing.Region[1];
sfFormat.SetMeasurableCharacterRanges(craRanges);
raRegions = gCanvas.MeasureCharacterRanges(sText, fntFont, rtRect, sfFormat);
rtRect = raRegions[0].GetBounds(gCanvas);
SizeF sfFinal = new SizeF();
sfFinal.Width = (rtRect.Right + 1.0f);
sfFinal.Height = (rtRect.Bottom);
return(sfFinal);
}
private Point GetCharSize(Graphics CurGraphics)
{
// DrawString doesn't actually print where you tell it to but instead consistently prints
// with an offset. This is annoying when the other draw commands do not print with an offset
// this method returns a point defining the offset so we can take it off the printstring command.
CharacterRange[] characterRanges = {new CharacterRange(0, 1)};
RectangleF layoutRect = new RectangleF(0, 0, 100, 100);
StringFormat stringFormat = new StringFormat();
stringFormat.SetMeasurableCharacterRanges(characterRanges);
Region[] stringRegions = new Region[1];
stringRegions = CurGraphics.MeasureCharacterRanges(
"A",
this.Font,
layoutRect,
stringFormat);
RectangleF measureRect1 = stringRegions[0].GetBounds(CurGraphics);
return new Point((Int32) (measureRect1.Width + 0.5), (Int32) (measureRect1.Height + 0.5));
}
private static int getDrawLength(Graphics g, Font fnt, RectangleF rect, StringFormat sf, int maxLen)
{
CharacterRange[] ranges = new CharacterRange[] { new CharacterRange(0, 1) };
float num = 1f;
float width = 0f;
int num3 = 2;
string text = StrFunc.CreateInstance().MakeCycleStr(maxLen, "X");
while ((num3 <= maxLen) && (width != num))
{
num = width;
ranges[0].Length = num3;
sf.SetMeasurableCharacterRanges(ranges);
width = g.MeasureCharacterRanges(text, fnt, rect, sf)[0].GetBounds(g).Width;
num3++;
}
if (num3 == maxLen)
{
return maxLen;
}
return (num3 - 1);
}
/// <summary>
/// Calculates the exact size of a string.
/// Code taken from http://www.codeproject.com/KB/GDI-plus/measurestring.aspx
/// </summary>
/// <param name="graphics">The graphics object used to calculate the string's size.</param>
/// <param name="font">The font which will be used to draw the string.</param>
/// <param name="text">The actual string which will be drawn.</param>
/// <returns>Returns the untransformed size of the string when being drawn.</returns>
static public SizeF MeasureDisplayStringWidth(Graphics graphics, string text, Font font)
{
// set something to generate the minimum size
bool minimum= false;
if(text ==string.Empty)
{
minimum= true;
text= " ";
}
System.Drawing.StringFormat format = new System.Drawing.StringFormat();
System.Drawing.RectangleF rect = new System.Drawing.RectangleF(0, 0, 1000, 1000);
System.Drawing.CharacterRange[] ranges = { new System.Drawing.CharacterRange(0, text.Length) };
System.Drawing.Region[] regions = new System.Drawing.Region[1];
format.SetMeasurableCharacterRanges(ranges);
regions = graphics.MeasureCharacterRanges(text, font, rect, format);
rect = regions[0].GetBounds(graphics);
return minimum ? new SizeF(0.0f, rect.Height) : rect.Size;
}
partial void MeasureCharacterRangeImp(string str, Font font, StringFormat format, CharacterRange range, ref RectangleF ret)
{
if (FixGdiPlusStringSize(ref str))
{
if (range.First >= str.Length)
{
range.First = str.Length - 1;
range.Length = 0;
}
else if (range.First + range.Length >= str.Length)
{
range.Length = str.Length - range.First;
}
}
format.format.SetMeasurableCharacterRanges(new SD.CharacterRange[] {
new SD.CharacterRange(range.First, range.Length)
});
var regions = g.MeasureCharacterRanges(str, font.font, new SD.RectangleF(0, 0, 100500, 100000), format.format);
var bounds = regions[0].GetBounds(g);
regions[0].Dispose();
ret = bounds.ToRectangleF();
}
public SizeF MeasureString(string text)
{
if (UseCompatibleTextRendering)
{
if (measureGraphics == null)
{
measureGraphics = sd.Graphics.FromImage(new sd.Bitmap(1, 1));
}
sd.CharacterRange[] ranges = { new sd.CharacterRange(0, text.Length) };
var stringFormat = GraphicsHandler.DefaultStringFormat;
lock (stringFormat)
{
stringFormat.SetMeasurableCharacterRanges(ranges);
var regions = measureGraphics.MeasureCharacterRanges(text, Control, sd.RectangleF.Empty, stringFormat);
var rect = regions[0].GetBounds(measureGraphics);
return(rect.Size.ToEto());
}
}
var size = swf.TextRenderer.MeasureText(text, Control, sd.Size.Empty, GraphicsHandler.DefaultTextFormat);
return(size.ToEto());
}
Region [] Measure (Graphics gfx, RectangleF rect)
{
using (StringFormat format = StringFormat.GenericTypographic) {
format.SetMeasurableCharacterRanges (ranges);
using (Font font = new Font (FontFamily.GenericSerif, 11.0f)) {
return gfx.MeasureCharacterRanges ("abc", font, rect, format);
}
}
}
/// <summary>
/// Draw the highlighted text using GDI+
/// </summary>
/// <param name="g"></param>
/// <param name="r"></param>
/// <param name="txt"></param>
protected virtual void DrawGdiPlusTextHighlighting(Graphics g, Rectangle r, string txt) {
// Find the substrings we want to highlight
List<CharacterRange> ranges = new List<CharacterRange>(this.Filter.FindAllMatchedRanges(txt));
if (ranges.Count == 0)
return;
using (StringFormat fmt = this.StringFormatForGdiPlus) {
RectangleF rf = r;
fmt.SetMeasurableCharacterRanges(ranges.ToArray());
Region[] stringRegions = g.MeasureCharacterRanges(txt, this.Font, rf, fmt);
foreach (Region region in stringRegions) {
RectangleF bounds = region.GetBounds(g);
this.DrawSubstringFrame(g, bounds.X - 1, bounds.Y - 1, bounds.Width + 2, bounds.Height);
}
}
}
private SizeF MeasureString(string s, StyleInfo si, Graphics g, out float descent)
{
Font drawFont=null;
StringFormat drawFormat=null;
SizeF ms = SizeF.Empty;
descent = 0;
if (s == null || s.Length == 0)
return ms;
try
{
// STYLE
System.Drawing.FontStyle fs = 0;
if (si.FontStyle == FontStyleEnum.Italic)
fs |= System.Drawing.FontStyle.Italic;
// WEIGHT
switch (si.FontWeight)
{
case FontWeightEnum.Bold:
case FontWeightEnum.Bolder:
case FontWeightEnum.W500:
case FontWeightEnum.W600:
case FontWeightEnum.W700:
case FontWeightEnum.W800:
case FontWeightEnum.W900:
fs |= System.Drawing.FontStyle.Bold;
break;
default:
break;
}
try
{
FontFamily ff = si.GetFontFamily();
drawFont = new Font(ff, si.FontSize, fs);
// following algorithm comes from the C# Font Metrics documentation
float descentPixel = si.FontSize * ff.GetCellDescent(fs) / ff.GetEmHeight(fs);
descent = RSize.PointsFromPixels(g, descentPixel);
}
catch
{
drawFont = new Font("Arial", si.FontSize, fs); // usually because font not found
descent = 0;
}
drawFormat = new StringFormat();
drawFormat.Alignment = StringAlignment.Near;
CharacterRange[] cr = {new CharacterRange(0, s.Length)};
drawFormat.SetMeasurableCharacterRanges(cr);
Region[] rs = new Region[1];
rs = g.MeasureCharacterRanges(s, drawFont, new RectangleF(0,0,float.MaxValue,float.MaxValue),
drawFormat);
RectangleF mr = rs[0].GetBounds(g);
ms.Height = RSize.PointsFromPixels(g, mr.Height); // convert to points from pixels
ms.Width = RSize.PointsFromPixels(g, mr.Width); // convert to points from pixels
return ms;
}
finally
{
if (drawFont != null)
drawFont.Dispose();
if (drawFormat != null)
drawFont.Dispose();
}
}
/// <summary>
/// Function to retrieve a character range for the specified character.
/// </summary>
/// <param name="character">The character to evaluate.</param>
/// <param name="graphics">The graphics context to use.</param>
/// <returns>The region for the character range.</returns>
private RectangleF?GetCharacterRange(ref char character, System.Drawing.Graphics graphics)
{
Region[] characterRanges = null;
Region[] defaultCharacterRanges = null;
try
{
// Try to get the character size.
characterRanges = graphics.MeasureCharacterRanges(character.ToString(CultureInfo.CurrentCulture),
_fontData.Font,
new RectangleF(0, 0, _fontInfo.TextureWidth, _fontInfo.TextureHeight),
_fontData.StringFormat);
defaultCharacterRanges = graphics.MeasureCharacterRanges(_fontInfo.DefaultCharacter.ToString(CultureInfo.CurrentCulture),
_fontData.Font,
new RectangleF(0,
0,
_fontInfo.TextureWidth,
_fontInfo.TextureHeight),
_fontData.StringFormat);
// If the character doesn't exist, then return an empty value.
switch (characterRanges.Length)
{
case 0 when(defaultCharacterRanges.Length == 0):
return(null);
case 0 when(defaultCharacterRanges.Length > 0):
character = _fontInfo.DefaultCharacter;
characterRanges = defaultCharacterRanges;
break;
}
// If we didn't get a size, but we have a default, then use that.
RectangleF result = characterRanges[0].GetBounds(graphics);
if ((result.Width >= 0.1f) || (result.Height >= 0.1f))
{
return(result);
}
character = _fontInfo.DefaultCharacter;
characterRanges = defaultCharacterRanges;
result = characterRanges[0].GetBounds(graphics);
characterRanges[0].Dispose();
characterRanges = null;
return(((result.Width < 0.1f) || (result.Height < 0.1f))
? null
: (RectangleF?)result);
}
finally
{
if (characterRanges != null)
{
foreach (Region region in characterRanges)
{
region.Dispose();
}
}
if (defaultCharacterRanges != null)
{
foreach (Region region in defaultCharacterRanges)
{
region.Dispose();
}
}
}
}
public Region[] Measure(Graphics g, Font f, string str, int x, int y, int xOffset, int yOffset, int cw, int index, int length)
{
if (this.m_Ranges == null)
{
this.m_Ranges = new CharacterRange[1];
}
this.m_Ranges[0].First = index;
this.m_Ranges[0].Length = length;
this.m_StringFormat.SetMeasurableCharacterRanges(this.m_Ranges);
this.m_TempRectF.X = x;
this.m_TempRectF.Y = y;
this.m_TempRectF.Width = cw;
this.m_TempRectF.Height = this.m_LineHeight;
return g.MeasureCharacterRanges(str, f, this.m_TempRectF, this.m_StringFormat);
}
private SizeF MeasureString(string s, Graphics g, Font drawFont, StringFormat drawFormat)
{
if (s == null || s.Length == 0)
return SizeF.Empty;
CharacterRange[] cr = {new CharacterRange(0, s.Length)};
drawFormat.SetMeasurableCharacterRanges(cr);
Region[] rs = new Region[1];
rs = g.MeasureCharacterRanges(s, drawFont, new RectangleF(0,0,float.MaxValue,float.MaxValue),
drawFormat);
RectangleF mr = rs[0].GetBounds(g);
return new SizeF(mr.Width, mr.Height);
}
internal static pTexture CreateText(string text, float size, Vector2 restrictBounds, Color color, ShadowType shadow, bool bold, bool italic, bool underline, TextAlignment alignment, bool forceAa, out Vector2 measured, out RectangleF[] characterRegions, Color background, Color border, int borderWidth, bool measureOnly, bool getCharacterRegions, FontFace fontFace, Vector4 cornerBounds, Vector2 padding, pTexture lastTexture = null, int startIndex = 0, int length = -1)
{
characterRegions = null;
if (text == null)
{
measured = Vector2.Zero;
return(null);
}
if (ConfigManager.dDisableTextRendering)
{
measured = new Vector2(text.Length * size, size);
return(null);
}
#if DEBUG
if (!text.Contains(@"NativeText"))
{
int limit_per_second = osu.GameModes.Play.Player.Playing ? 5 : 58;
bool newSecond = GameBase.Time / 1000 != currentSecond;
drawCount++;
if (drawCount == limit_per_second)
{
Debug.Print(@"NativeText: High number of text refreshes per second.");
}
if (newSecond)
{
currentSecond = GameBase.Time / 1000;
drawCount = 0;
}
}
#endif
//This lock ensures we are only using the shared GDI+ object (FromHwnd) in one place at a time.
lock (createTextLock)
{
try
{
using (System.Drawing.Graphics graphics = System.Drawing.Graphics.FromHwnd(IntPtr.Zero))
using (StringFormat sf = new StringFormat())
{
if (dpiRatio == 0)
{
dpiRatio = 96 / graphics.DpiX;
}
size *= dpiRatio;
GameBase.PerformanceMonitor.ReportCount(CounterType.NativeText);
graphics.TextRenderingHint = TextRenderingHint.AntiAlias;
SizeF measuredSize;
string face = GetFontFace(fontFace);
if (face.StartsWith(@"Aller"))
{
//if we are using the default osu! font, allow specific language overrides based on simple detection.
string fontFaceOverride = getLanguageSpeicificFont(text);
if (fontFaceOverride != null)
{
face = fontFaceOverride;
}
}
if (startIndex != 0 || length > 0)
{
text = text.Substring(startIndex, length);
}
else if (length == -1)
{
length = text.Length;
}
if (size < 20 && face.EndsWith(@" Light"))
{
face = face.Replace(@" Light", string.Empty);
}
FontStyle fs = FontStyle.Regular;
if (bold)
{
if (face.EndsWith(@" Light"))
{
face = face.Replace(@" Light", string.Empty);
}
fs |= FontStyle.Bold;
}
if (italic)
{
fs |= FontStyle.Italic;
}
if (underline)
{
fs |= FontStyle.Underline;
}
switch (alignment)
{
case TextAlignment.Left:
case TextAlignment.LeftFixed:
sf.Alignment = StringAlignment.Near;
break;
case TextAlignment.Centre:
sf.Alignment = StringAlignment.Center;
break;
case TextAlignment.Right:
sf.Alignment = StringAlignment.Far;
break;
}
if (!OsuMain.IsWine && face.StartsWith(@"Aller"))
{
for (char c = '0'; c <= '9'; c++)
{
text = text.Replace(c, (char)(c + (0xf83c - '0')));
}
}
Font f = GetFont(face, size * ScaleModifier, fs);
if (ScaleModifier != 1)
{
restrictBounds *= ScaleModifier;
}
try
{
if (text.Length == 0)
{
text = " ";
}
measuredSize = restrictBounds != Vector2.Zero
? graphics.MeasureString(text, f, new SizeF(restrictBounds.X, restrictBounds.Y), sf)
: graphics.MeasureString(text, f);
}
catch (InvalidOperationException)
{
measured = Vector2.Zero;
return(null);
}
int width = (int)(measuredSize.Width + 1);
int height = (int)(measuredSize.Height + 1);
if (restrictBounds.Y != 0)
{
height = (int)restrictBounds.Y;
}
if (restrictBounds.X != 0 && (alignment != TextAlignment.Left || background.A > 0))
{
width = (int)restrictBounds.X;
}
if (padding != Vector2.Zero && restrictBounds == Vector2.Zero)
{
width += (int)(padding.X * 2);
height += (int)(padding.Y * 2);
}
measured = new Vector2(width, height);
float offset = Math.Max(0.5f, Math.Min(1f, (size * ScaleModifier) / 14));
if (getCharacterRegions)
{
characterRegions = new RectangleF[text.Length];
// SetMeasurableCharacterRanges only accepts a maximum of 32 intervals to be queried, so we as the library user are
// forced to split the string into 32 character long chunks and perform MeasureCharacterRanges on each.
int numIntervals = (text.Length / 32) + 1;
for (int i = 0; i < numIntervals; ++i)
{
int offsetIndex = i * 32;
int end = Math.Min(text.Length - offsetIndex, 32);
CharacterRange[] characterRanges = new CharacterRange[end];
for (int j = 0; j < end; ++j)
{
characterRanges[j] = new CharacterRange(j + offsetIndex, 1);
}
sf.SetMeasurableCharacterRanges(characterRanges);
Region[] regions = graphics.MeasureCharacterRanges(
text,
f,
new RectangleF(
padding.X,
padding.Y,
restrictBounds.X == 0 ? Single.PositiveInfinity : restrictBounds.X,
restrictBounds.Y == 0 ? Single.PositiveInfinity : restrictBounds.Y),
sf);
for (int j = 0; j < end; ++j)
{
Region region = regions[j] as Region;
characterRegions[j + offsetIndex] = region.GetBounds(graphics);
}
}
}
if (measureOnly)
{
int startSpace = 0;
int endSpace = 0;
int i = 0;
while (i < text.Length && text[i++] == ' ')
{
startSpace++;
}
int j = text.Length - 1;
while (j >= i && text[j--] == ' ')
{
endSpace++;
}
if (startSpace == text.Length)
{
endSpace += startSpace;
}
measured = new Vector2(width + (endSpace * 5.145f * size / 12), height);
return(null);
}
using (Bitmap b = new Bitmap(width, height, PixelFormat.Format32bppArgb))
using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(b))
{
//Quality settings
g.TextRenderingHint = graphics.TextRenderingHint;
g.SmoothingMode = SmoothingMode.HighQuality;
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
if (background.A > 0)
{
if (cornerBounds != Vector4.Zero)
{
fillRoundedRectangle(g, new Rectangle(0, 0, width, height), new SolidBrush(OsuMathHelper.CConvert(background)), cornerBounds);
if (borderWidth > 0)
{
drawRoundedRectangle(g,
new Rectangle(0, 0, width - (int)Math.Ceiling(borderWidth / 2f), height - (int)Math.Ceiling(borderWidth / 2f)),
new Pen(OsuMathHelper.CConvert(border), borderWidth),
cornerBounds);
}
}
else
{
g.Clear(OsuMathHelper.CConvert(background));
if (borderWidth > 0)
{
g.DrawRectangle(new Pen(OsuMathHelper.CConvert(border), borderWidth),
new Rectangle(borderWidth / 2, borderWidth / 2, width - borderWidth, height - borderWidth));
}
}
}
else
{
g.Clear(System.Drawing.Color.FromArgb(1, color.R, color.G, color.B));
}
using (Brush brush = new SolidBrush(OsuMathHelper.CConvert(color)))
{
if (restrictBounds != Vector2.Zero)
{
restrictBounds.X -= padding.X * 2;
restrictBounds.Y -= padding.Y * 2;
switch (shadow)
{
case ShadowType.Normal:
g.DrawString(text, f, shadowBrush, new RectangleF(padding.X - offset, offset + padding.Y, restrictBounds.X, restrictBounds.Y), sf);
g.DrawString(text, f, shadowBrush, new RectangleF(padding.X + offset, offset + padding.Y, restrictBounds.X, restrictBounds.Y), sf);
break;
case ShadowType.Border:
Brush borderBrush = greyBrush;
if (background.A == 0 && borderWidth == 1 && border.A > 0)
{
borderBrush = new SolidBrush(OsuMathHelper.CConvert(border));
}
g.DrawString(text, f, borderBrush, new RectangleF(padding.X + offset, padding.Y + offset, restrictBounds.X, restrictBounds.Y), sf);
g.DrawString(text, f, borderBrush, new RectangleF(padding.X + offset, padding.Y - offset, restrictBounds.X, restrictBounds.Y), sf);
g.DrawString(text, f, borderBrush, new RectangleF(padding.X - offset, padding.Y + offset, restrictBounds.X, restrictBounds.Y), sf);
g.DrawString(text, f, borderBrush, new RectangleF(padding.X - offset, padding.Y - offset, restrictBounds.X, restrictBounds.Y), sf);
break;
}
g.DrawString(text, f, brush, new RectangleF(padding.X, padding.Y, restrictBounds.X, restrictBounds.Y), sf);
}
else
{
switch (shadow)
{
case ShadowType.Normal:
g.DrawString(text, f, shadowBrush, padding.X - offset, padding.Y + offset);
g.DrawString(text, f, shadowBrush, padding.X + offset, padding.Y + offset);
break;
case ShadowType.Border:
Brush borderBrush = greyBrush;
if (background.A == 0 && borderWidth == 1 && border.A > 0)
{
borderBrush = new SolidBrush(OsuMathHelper.CConvert(border));
}
g.DrawString(text, f, borderBrush, padding.X + offset, padding.Y + offset);
g.DrawString(text, f, borderBrush, padding.X - offset, padding.Y + offset);
g.DrawString(text, f, borderBrush, padding.X + offset, padding.Y - offset);
g.DrawString(text, f, borderBrush, padding.X - offset, padding.Y - offset);
break;
}
g.DrawString(text, f, brush, padding.X, padding.Y);
}
}
//if (lastTexture == null || lastTexture.isDisposed)
{
lastTexture = pTexture.FromBitmap(b);
lastTexture.Disposable = true;
}
/*else
* {
* lastTexture.Width = b.Width;
* lastTexture.Height = b.Height;
* lastTexture.SetData(b);
* }*/
return(lastTexture);
}
}
}
catch (Exception e)
{
measured = Vector2.Zero;
return(null);
}
}
}
/// <summary>
/// Get the smallest encompassing Region for the supplied string, Font and Graphics context.
/// </summary>
/// <param name="g">Graphics context object to measure string on.</param>
/// <param name="str">String to measure.</param>
/// <param name="fnt">Font to use for string.</param>
/// <returns>Smallest Region encompassing the supplied string.</returns>
public static Region GetGraphicalStringRegion(Graphics g, string str, Font fnt)
{
StringFormat format = new StringFormat();
RectangleF rect = new RectangleF(0, 0, 1000, 1000);
CharacterRange[] ranges = {new CharacterRange(0, str.Length)};
Region[] regions = new Region[1];
format.SetMeasurableCharacterRanges(ranges);
regions = g.MeasureCharacterRanges(str, fnt, rect, format);
return regions[0];
}
/// <summary>
/// Get the smallest encompassing Region of the supplied string using the supplied Font, Rectangle and StringFormat on the supplied Graphics context.
/// </summary>
/// <param name="g">Graphics context object to measure string on.</param>
/// <param name="str">String to measure.</param>
/// <param name="fnt">Font to use for string.</param>
/// <param name="rct">Rectangle to measure string in.</param>
/// <param name="strfmt">StringFormat to use when measuring the string.</param>
/// <returns>Smallest Region encompassing the Text of the Control supplied using the StringFormat supplied.</returns>
public static Region GetStringFormattedStringRegion(Graphics g, string str, Font fnt, Rectangle rct, StringFormat strfmt)
{
RectangleF rctF = new RectangleF(rct.X, rct.Y, rct.Width, rct.Height);
CharacterRange[] ranges = {new CharacterRange(0, str.Length)};
Region[] regions = new Region[1];
strfmt.SetMeasurableCharacterRanges(ranges);
regions = g.MeasureCharacterRanges(str, fnt, rctF, strfmt);
return regions[0];
}
// "http://stackoverflow.com/questions/2116216#2116475"
private static double GetTextWidth(Graphics g, Font f, string text)
{
StringFormat format = new StringFormat(StringFormat.GenericDefault);
RectangleF rect = new RectangleF(0, 0, 1000, 1000);
CharacterRange[] ranges = { new CharacterRange(0, text.Length) };
format.SetMeasurableCharacterRanges(ranges);
format.FormatFlags = StringFormatFlags.MeasureTrailingSpaces;
Region[] regions = g.MeasureCharacterRanges(text, f, rect, format);
rect = regions[0].GetBounds(g);
return rect.Right;
}
static private int MeasureDisplayStringWidthExact(Graphics graphics, string text,
Font font)
{
var ranges = new[] { new CharacterRange(0, text.Length) };
var format = new StringFormat();
format.SetMeasurableCharacterRanges(ranges);
var rect = new RectangleF(0, 0, 1000, 1000);
var regions = graphics.MeasureCharacterRanges(text, font, rect, format);
rect = regions[0].GetBounds(graphics);
return (int)(rect.Right + 1.0f);
}
public float[] GetCharacterXPositions( Graphics g, string str )
{
// Setup the StringFormat with proper CharacterRange references.
StringFormat testFormat = new StringFormat();
CharacterRange[] ranges = new CharacterRange[ str.Length ];
for ( int i=0; i < str.Length; i++ )
ranges[i] = new CharacterRange( i, 1 );
testFormat.SetMeasurableCharacterRanges( ranges );
// Measure into Regions
Region[] regions = g.MeasureCharacterRanges( str, _font, new Rectangle( 0, 0, 1000, 1000 ), testFormat );
// Convert Regions to Rects, then X coords.
float[] xCoords = regions.Select( region => region.GetBounds( g ).X ).ToArray();
return xCoords;
}
/// <summary>
/// Measures the location of words within a string; limited by .Net 1.1 to 32 words
/// MEASUREMAX is a constant that defines that limit
/// </summary>
/// <param name="s"></param>
/// <param name="g"></param>
/// <param name="drawFont"></param>
/// <param name="drawFormat"></param>
/// <param name="cra"></param>
/// <returns></returns>
private WordStartFinish[] MeasureString32(string s, Graphics g, Font drawFont, StringFormat drawFormat, CharacterRange[] cra)
{
if (s == null || s.Length == 0)
return null;
drawFormat.SetMeasurableCharacterRanges(cra);
Region[] rs = new Region[cra.Length];
rs = g.MeasureCharacterRanges(s, drawFont, new RectangleF(0, 0, float.MaxValue, float.MaxValue),
drawFormat);
WordStartFinish[] sz = new WordStartFinish[cra.Length];
int isz = 0;
foreach (Region r in rs)
{
RectangleF mr = r.GetBounds(g);
sz[isz].start = RSize.PointsFromPixels(g, mr.Left);
sz[isz].end = RSize.PointsFromPixels(g, mr.Right);
isz++;
}
return sz;
}
public int MeasureDisplayStringWidth(Graphics graphics, string text, Font font)
{
text = text.ToUpper();
System.Drawing.StringFormat format = new StringFormat(StringFormat.GenericTypographic);
System.Drawing.RectangleF rect = new System.Drawing.RectangleF(0, 0, 1000, 1000);
System.Drawing.CharacterRange[] ranges = { new System.Drawing.CharacterRange(0, text.Length) };
System.Drawing.Region[] regions = new System.Drawing.Region[1];
format.SetMeasurableCharacterRanges(ranges);
regions = graphics.MeasureCharacterRanges(text, font, rect, format);
rect = regions[0].GetBounds(graphics);
return (int)(rect.Right + 1.0f);
}
private void HighlightString(Graphics g, PageText dtext, RectangleF r, Font f, StringFormat sf)
{
if (_HighlightText == null || _HighlightText.Length == 0)
return; // nothing to highlight
bool bhighlightItem = dtext == _HighlightItem ||
(_HighlightItem != null && dtext.HtmlParent == _HighlightItem);
if (!(_HighlightAll || bhighlightItem))
return; // not highlighting all and not on current highlight item
string hlt = _HighlightCaseSensitive ? _HighlightText : _HighlightText.ToLower();
string text = _HighlightCaseSensitive ? dtext.Text : dtext.Text.ToLower();
if (text.IndexOf(hlt) < 0)
return; // string not in text
StringFormat sf2 = null;
try
{
// Create a CharacterRange array with the highlight location and length
// Handle multiple occurences of text
List<CharacterRange> rangel = new List<CharacterRange>();
int loc = text.IndexOf(hlt);
int hlen = hlt.Length;
int len = text.Length;
while (loc >= 0)
{
rangel.Add(new CharacterRange(loc, hlen));
if (loc + hlen < len) // out of range of text
loc = text.IndexOf(hlt, loc + hlen);
else
loc = -1;
}
if (rangel.Count <= 0) // we should have gotten one; but
return;
CharacterRange[] ranges = rangel.ToArray();
// Construct a new StringFormat object.
sf2 = sf.Clone() as StringFormat;
// Set the ranges on the StringFormat object.
sf2.SetMeasurableCharacterRanges(ranges);
// Get the Regions to highlight by calling the
// MeasureCharacterRanges method.
if (r.Width <= 0 || r.Height <= 0)
{
SizeF ts = g.MeasureString(dtext.Text, f);
r.Height = ts.Height;
r.Width = ts.Width;
}
Region[] charRegion = g.MeasureCharacterRanges(dtext.Text, f, r, sf2);
// Fill in the region using a semi-transparent color to highlight
foreach (Region rg in charRegion)
{
Color hl = bhighlightItem ? _HighlightItemColor : _HighlightAllColor;
g.FillRegion(new SolidBrush(Color.FromArgb(50, hl)), rg);
}
}
catch { } // if highlighting fails we don't care; need to continue
finally
{
if (sf2 != null)
sf2.Dispose();
}
}
public Region[] MeasureStringLine(Graphics g, string text, CharacterRange[] measureRanges, Font font, Rectangle textRect, StringAlignment align = StringAlignment.Near, StringAlignment lineAlign = StringAlignment.Center)
{
// Expand text rect, because DrawString stops too soon
textRect.Width += DrawStringWidthAdd;
textRect.Height = Math.Max(textRect.Height, font.Height);
// Assume manual ellipsis
textRect.Width -= 5;
StringFormat nameLabelFormat = StringFormat.GenericDefault;
nameLabelFormat.Alignment = align;
nameLabelFormat.LineAlignment = lineAlign;
nameLabelFormat.Trimming = StringTrimming.Character;
nameLabelFormat.FormatFlags |= StringFormatFlags.NoWrap | StringFormatFlags.MeasureTrailingSpaces;
nameLabelFormat.SetMeasurableCharacterRanges(measureRanges);
return g.MeasureCharacterRanges(text, font, textRect, nameLabelFormat);
}