private int MeasureTextWidth(TreeNode tn)
{
if (tn == null | tn.TreeView == null)
return 0;
TreeView tree = tn.TreeView;
String text = this.GetText(tn);
if (text == null || text == "")
return 0;
Graphics g = Graphics.FromHwnd(tree.Handle);
using (Font font = new Font(tree.Font, tn.FontStyle))
{
using (StringFormat format = new StringFormat(StringFormat.GenericDefault))
{
RectangleF rect = new RectangleF(0, 0, 1000, 1000);
CharacterRange[] ranges = { new CharacterRange(0, text.Length) };
Region[] regions = new Region[1];
format.SetMeasurableCharacterRanges(ranges);
format.FormatFlags = StringFormatFlags.MeasureTrailingSpaces;
regions = g.MeasureCharacterRanges(text, font, rect, format);
rect = regions[0].GetBounds(g);
return (int)rect.Right + 3 + (int)(text.Length * 0.25);
}
}
}
public static RectangleF MeasureDisplayStringF(Graphics graphics, string text, Font font, int width, int height)
{
if (text == string.Empty || text == null)
{
return(new RectangleF(0, 0, 0, 0));
}
System.Drawing.StringFormat format = new System.Drawing.StringFormat();
System.Drawing.RectangleF rect = new System.Drawing.RectangleF(0, 0,
width, height);
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);
//cleanup
format.Dispose();
ranges = null;
regions[0].Dispose();
regions = null;
return(rect);
}
/// <summary>
/// Scales are instantiated only by the ruler.
/// </summary>
public Scale(Ruler parent, Orientation orientation)
{
SetStyle(ControlStyles.AllPaintingInWmPaint, true);
SetStyle(ControlStyles.DoubleBuffer, true);
SetStyle(ControlStyles.UserPaint, true);
SetStyle(ControlStyles.ResizeRedraw, true);
_parent = parent;
_orientation = orientation;
_alignment = Alignment.Near;
_unit = RulerUnit.Millimeter;
_projectionColor = Color.LightSteelBlue;
_enableGuides = true;
_guideColor = SystemColors.ControlText;
_cursorColor = Color.Red;
_aligning = false;
_alignedNodes = new Hashtable();
_speeder = new StringFormat();
_speeder.SetMeasurableCharacterRanges(new CharacterRange[]
{
new CharacterRange(0, 5)
});
}
public static void DrawString(this Image image, string text, Corner corner, Font font, Color color)
{
using (var graphics = Graphics.FromImage(image))
{
var stringFormat = new StringFormat();
stringFormat.SetMeasurableCharacterRanges(new[] { new CharacterRange(0, text.Length) });
Region[] region = graphics.MeasureCharacterRanges(text, font, new Rectangle(0, 0, image.Width, image.Height), stringFormat);
RectangleF rect = region[0].GetBounds(graphics);
rect.Width += (int)Math.Ceiling(rect.Width * 0.05d);
var point = new PointF();
switch (corner)
{
case Corner.UpperLeft:
point.X = 0;
point.Y = 0;
break;
case Corner.UpperRight:
point.X = image.Width - rect.Width;
point.Y = 0;
break;
case Corner.BottomLeft:
point.X = 0;
point.Y = image.Height - rect.Height;
break;
case Corner.BottomRight:
point.X = image.Width - rect.Width;
point.Y = image.Height - rect.Height;
break;
}
graphics.DrawString(text, font, new SolidBrush(color), point);
}
}
public SelectDeviceDialog()
{
CultureInfo UICulture = GarminFitnessView.UICulture;
InitializeComponent();
GarminDeviceManager.Instance.TaskCompleted += new GarminDeviceManager.TaskCompletedEventHandler(OnManagerTaskCompleted);
this.Text = GarminFitnessView.GetLocalizedString("SelectDeviceText");
IntroLabel.Text = GarminFitnessView.GetLocalizedString("SelectDeviceIntroText");
RefreshButton.Text = GarminFitnessView.GetLocalizedString("RefreshButtonText");
Cancel_Button.Text = CommonResources.Text.ActionCancel;
OKButton.Text = CommonResources.Text.ActionOk;
Graphics tempGraphics = this.CreateGraphics();
Region[] stringRegion;
StringFormat format = new StringFormat();
format.SetMeasurableCharacterRanges(new CharacterRange[] { new CharacterRange(0, RefreshButton.Text.Length) });
stringRegion = tempGraphics.MeasureCharacterRanges(RefreshButton.Text, RefreshButton.Font, new Rectangle(0, 0, 1000, 1000), format);
RefreshButton.Size = stringRegion[0].GetBounds(tempGraphics).Size.ToSize();
tempGraphics.Dispose();
RefreshButton.Location = new Point((this.Width - RefreshButton.Width) / 2, RefreshButton.Location.Y);
RefreshDeviceComboBox();
}
/// <summary>
/// Measures a string's pixel boundaries (without the extra padding MeasureString gives). <br />
/// NOTE: This bench tests just under 50% slower than MeasureString.
/// </summary>
/// <param name="gfx">The source graphics object</param>
/// <param name="text">The text to measure</param>
/// <param name="font">The font to measure</param>
/// <returns></returns>
public static RectangleF MeasureStringBoundaries(this Graphics gfx, string text, Font font)
{
var rect = new RectangleF(0, 0, int.MaxValue, int.MaxValue);
var format = new StringFormat();
format.SetMeasurableCharacterRanges(new[] { new CharacterRange(0, text.Length) });
var regions = gfx.MeasureCharacterRanges(text, font, rect, format);
return regions[0].GetBounds(gfx);
}
static public int MeasureDisplayStringWidth(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 + 20.0f));
}
private EMFStringFormat(byte[] RecordData)
{
ObjectType = EmfObjectType.stringformat;
myStringFormat = new System.Drawing.StringFormat();
//put the Data into a stream and use a binary reader to read the data
MemoryStream _ms = new MemoryStream(RecordData);
BinaryReader _br = new BinaryReader(_ms);
_br.ReadUInt32(); //Who cares about version..not me!
myStringFormat.FormatFlags = (StringFormatFlags)_br.ReadUInt32();
_br.ReadBytes(4);//Language...Ignore for now!
myStringFormat.LineAlignment = (StringAlignment)_br.ReadUInt32();
myStringFormat.Alignment = (StringAlignment)_br.ReadUInt32();
UInt32 DigitSubstitutionMethod = _br.ReadUInt32();
UInt32 DigitSubstitutionLanguage = _br.ReadUInt32();
myStringFormat.SetDigitSubstitution((int)DigitSubstitutionLanguage, (StringDigitSubstitute)DigitSubstitutionMethod);
Single FirstTabOffSet = _br.ReadSingle();
myStringFormat.HotkeyPrefix = (System.Drawing.Text.HotkeyPrefix) _br.ReadInt32();
_br.ReadSingle();//leading Margin
_br.ReadSingle();//trailingMargin
_br.ReadSingle();//tracking
myStringFormat.Trimming = (StringTrimming)_br.ReadUInt32();
Int32 TabStopCount = _br.ReadInt32();
Int32 RangeCount = _br.ReadInt32();
//Next is stringformatdata...
Single[] TabStopArray;
System.Drawing.CharacterRange[] RangeArray;
if (TabStopCount > 0)
{
TabStopArray = new Single[TabStopCount];
for (int i = 0; i < TabStopCount; i++)
{
TabStopArray[i] = _br.ReadSingle();
}
myStringFormat.SetTabStops(FirstTabOffSet, TabStopArray);
}
if (RangeCount > 0)
{
RangeArray = new System.Drawing.CharacterRange[RangeCount];
for (int i = 0; i < RangeCount; i++)
{
RangeArray[i].First = _br.ReadInt32();
RangeArray[i].Length = _br.ReadInt32();
}
myStringFormat.SetMeasurableCharacterRanges(RangeArray);
}
}
/// <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);
}
public Vector2 MeasureString2(string 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 = _fontGraphics.MeasureCharacterRanges(text, _font, rect, format);
rect = regions[0].GetBounds(_fontGraphics);
return(new Vector2(rect.Right + 1.0f, _charHeight));
}
/// <summary>
/// Calculate the width of the string in pixels
/// </summary>
/// <param name="graphics"></param>
/// <param name="value"></param>
/// <param name="font"></param>
/// <returns></returns>
private int GetStringWidth(Graphics graphics, string value, Font font)
{
StringFormat format = new System.Drawing.StringFormat();
RectangleF rect = new System.Drawing.RectangleF(0, 0, 250, 120);
CharacterRange[] ranges = { new System.Drawing.CharacterRange(0, value.Length) };
Region[] regions = new System.Drawing.Region[1];
format.SetMeasurableCharacterRanges(ranges);
regions = graphics.MeasureCharacterRanges(value, font, rect, format);
rect = regions[0].GetBounds(graphics);
return(( int )(rect.Right + 1.0f));
}
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 TextWithHyperlinks(string text, HyperlinkExtractor extractor = null)
{
_text = text;
_sf = (StringFormat)(StringFormat.GenericTypographic.Clone());
_sf.FormatFlags = StringFormatFlags.FitBlackBox | StringFormatFlags.MeasureTrailingSpaces;
if(extractor == null) extractor = new HyperlinkExtractor();
_glyphs = extractor.ExtractHyperlinks(text)
.Select(h => new HyperlinkGlyph(h))
.ToArray();
_sf.SetMeasurableCharacterRanges(
_glyphs.Select(l => new CharacterRange(l.Start, l.Length)).ToArray());
_hoveredLink = new TrackingService<HyperlinkGlyph>();
_hoveredLink.Changed += OnHoveredLinkChanged;
}
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 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 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
{
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((Int32)rect.Right);
}
catch (IndexOutOfRangeException)
{
return(0);
}
}
/// <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 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);
}
//////////////////////////////////////////////////////////////////////////
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;
}
public SizeF MeasureString(Font font, string text)
{
/* BAD (but not really!?)
*
* return this.Control.MeasureString (text, FontHandler.GetControl (font), sd.PointF.Empty, defaultStringFormat).ToEto ();
* /**/
if (string.IsNullOrEmpty(text))
{
return(Size.Empty);
}
sd.CharacterRange[] ranges = { new sd.CharacterRange(0, text.Length) };
defaultStringFormat.SetMeasurableCharacterRanges(ranges);
var regions = this.Control.MeasureCharacterRanges(text, FontHandler.GetControl(font), sd.Rectangle.Empty, defaultStringFormat);
var rect = regions [0].GetBounds(this.Control);
return(rect.Size.ToEto());
/**/
}
//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;
}
public static Size CalculateStringSize( IntPtr handle, Font font, string text )
{
StringFormat stringFormat = new StringFormat();
RectangleF rect = new RectangleF( 0, 0, 9999, 9999 );
CharacterRange[] ranges = { new CharacterRange( 0, text.Length ) };
Region[] regions = new Region[1];
stringFormat.SetMeasurableCharacterRanges( ranges );
Graphics g = Graphics.FromHwnd( handle );
regions = g.MeasureCharacterRanges( text,
font, rect, stringFormat );
rect = regions[0].GetBounds( g );
g.Dispose();
float fudgeFactor = ( font.SizeInPoints / 8.25F ) * 3.0F;
return new Size( (int)(rect.Width + fudgeFactor), (int)(rect.Height) );
}
/// <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;
}
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);
}
/// <summary>
/// Raises the <see cref="System.Windows.Forms.Control.Paint"/> event.
/// </summary>
/// <param name="e">A <see cref="PaintEventArgs"/> that contains the event data.</param>
protected override void OnPaint(PaintEventArgs e)
{
if (this.inEditMode)
{
e.Graphics.Clear(this.BackColor);
base.OnPaint(e);
return;
}
e.Graphics.Clear(this.Enabled ? (this.isValidDate ? this.BackColor : this.invalidDateBackColor) : SystemColors.Window);
using (StringFormat format = new StringFormat(StringFormatFlags.LineLimit | StringFormatFlags.NoClip | StringFormatFlags.NoWrap))
{
format.LineAlignment = StringAlignment.Center;
if (this.RightToLeft == RightToLeft.Yes)
{
format.Alignment = StringAlignment.Far;
}
using (SolidBrush foreBrush = new SolidBrush(this.Enabled ? (this.isValidDate ? this.ForeColor : this.invalidDateForeColor) : SystemColors.GrayText),
selectedBrush = new SolidBrush(SystemColors.HighlightText),
selectedBack = new SolidBrush(SystemColors.Highlight))
{
MonthCalendar cal = this.datePicker.Picker;
ICustomFormatProvider provider = cal.FormatProvider;
MonthCalendarDate date = new MonthCalendarDate(cal.CultureCalendar, this.currentDate);
DatePatternParser parser = new DatePatternParser(provider.ShortDatePattern, provider);
string dateString = parser.ParsePattern(date, this.datePicker.UseNativeDigits ? this.datePicker.Culture.NumberFormat.NativeDigits : null);
this.dayPartIndex = parser.DayPartIndex;
this.monthPartIndex = parser.MonthPartIndex;
this.yearPartIndex = parser.YearPartIndex;
List<CharacterRange> rangeList = new List<CharacterRange>();
int dayIndex = parser.DayIndex;
int monthIndex = parser.MonthIndex;
int yearIndex = parser.YearIndex;
if (!string.IsNullOrEmpty(parser.DayString))
{
rangeList.Add(new CharacterRange(dayIndex, parser.DayString.Length));
}
if (!string.IsNullOrEmpty(parser.MonthString))
{
rangeList.Add(new CharacterRange(monthIndex, parser.MonthString.Length));
}
if (!string.IsNullOrEmpty(parser.YearString))
{
rangeList.Add(new CharacterRange(yearIndex, parser.YearString.Length));
}
format.SetMeasurableCharacterRanges(rangeList.ToArray());
Rectangle layoutRect = this.ClientRectangle;
e.Graphics.DrawString(dateString, this.Font, foreBrush, layoutRect, format);
Region[] dateRegions = e.Graphics.MeasureCharacterRanges(dateString, this.Font, layoutRect, format);
this.dayBounds = dateRegions[0].GetBounds(e.Graphics);
this.monthBounds = dateRegions[1].GetBounds(e.Graphics);
this.yearBounds = dateRegions[2].GetBounds(e.Graphics);
if (this.selectedPart == SelectedDatePart.Day)
{
e.Graphics.FillRectangle(selectedBack, this.dayBounds.X, this.dayBounds.Y - 2, this.dayBounds.Width + 1, this.dayBounds.Height + 1);
e.Graphics.DrawString(parser.DayString, this.Font, selectedBrush, this.dayBounds.X - 2, this.dayBounds.Y - 2);
}
if (this.selectedPart == SelectedDatePart.Month)
{
e.Graphics.FillRectangle(selectedBack, this.monthBounds.X, this.monthBounds.Y - 2, this.monthBounds.Width + 1, this.monthBounds.Height + 1);
e.Graphics.DrawString(parser.MonthString, this.Font, selectedBrush, this.monthBounds.X - 2, this.monthBounds.Y - 2);
}
if (this.selectedPart == SelectedDatePart.Year)
{
e.Graphics.FillRectangle(selectedBack, this.yearBounds.X, this.yearBounds.Y - 2, this.yearBounds.Width + 1, this.yearBounds.Height + 1);
e.Graphics.DrawString(parser.YearString, this.Font, selectedBrush, this.yearBounds.X - 2, this.yearBounds.Y - 2);
}
}
}
base.OnPaint(e);
}
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);
}
/// <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];
}
/// <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];
}
public void MeasureCharacterRanges_StringFormat_LineAlignment_DirectionVertical ()
{
if (font == null)
Assert.Ignore ("Couldn't create required font");
string text = "Hello Mono::";
CharacterRange[] ranges = new CharacterRange[1];
ranges[0] = new CharacterRange (5, 4);
StringFormat string_format = new StringFormat ();
string_format.FormatFlags = StringFormatFlags.DirectionVertical;
string_format.SetMeasurableCharacterRanges (ranges);
using (Bitmap bitmap = new Bitmap (20, 20)) {
using (Graphics g = Graphics.FromImage (bitmap)) {
string_format.LineAlignment = StringAlignment.Near;
Region[] regions = g.MeasureCharacterRanges (text, font, new RectangleF (0, 0, 320, 32), string_format);
Assert.AreEqual (1, regions.Length, "Near.Region");
RectangleF near = regions[0].GetBounds (g);
string_format.LineAlignment = StringAlignment.Center;
regions = g.MeasureCharacterRanges (text, font, new RectangleF (0, 0, 320, 32), string_format);
Assert.AreEqual (1, regions.Length, "Center.Region");
RectangleF center = regions[0].GetBounds (g);
string_format.LineAlignment = StringAlignment.Far;
regions = g.MeasureCharacterRanges (text, font, new RectangleF (0, 0, 320, 32), string_format);
Assert.AreEqual (1, regions.Length, "Far.Region");
RectangleF far = regions[0].GetBounds (g);
Assert.IsTrue (near.X < center.X, "near-center/X");
Assert.AreEqual (near.Y, center.Y, 0.1, "near-center/Y");
Assert.AreEqual (near.Width, center.Width, 0.1, "near-center/Width");
Assert.AreEqual (near.Height, center.Height, 0.1, "near-center/Height");
Assert.IsTrue (center.X < far.X, "center-far/X");
Assert.AreEqual (center.Y, far.Y, 0.1, "center-far/Y");
Assert.AreEqual (center.Width, far.Width, 0.1, "center-far/Width");
Assert.AreEqual (center.Height, far.Height, 0.1, "center-far/Height");
}
}
}
public void MeasureCharacterRanges_Prefix ()
{
if (font == null)
Assert.Ignore ("Couldn't create required font");
string text = "Hello &Mono::";
CharacterRange[] ranges = new CharacterRange[1];
ranges[0] = new CharacterRange (5, 4);
StringFormat string_format = new StringFormat ();
string_format.SetMeasurableCharacterRanges (ranges);
using (Bitmap bitmap = new Bitmap (20, 20)) {
using (Graphics g = Graphics.FromImage (bitmap)) {
SizeF size = g.MeasureString (text, font, new Point (0, 0), string_format);
RectangleF layout_rect = new RectangleF (0.0f, 0.0f, size.Width, size.Height);
// here & is part of the measure and visible
string_format.HotkeyPrefix = HotkeyPrefix.None;
Region[] regions = g.MeasureCharacterRanges (text, font, layout_rect, string_format);
RectangleF bounds_none = regions[0].GetBounds (g);
// here & is part of the measure (range) but visible as an underline
string_format.HotkeyPrefix = HotkeyPrefix.Show;
regions = g.MeasureCharacterRanges (text, font, layout_rect, string_format);
RectangleF bounds_show = regions[0].GetBounds (g);
Assert.IsTrue (bounds_show.Width < bounds_none.Width, "Show<None");
// here & is part of the measure (range) but invisible
string_format.HotkeyPrefix = HotkeyPrefix.Hide;
regions = g.MeasureCharacterRanges (text, font, layout_rect, string_format);
RectangleF bounds_hide = regions[0].GetBounds (g);
Assert.AreEqual (bounds_hide.Width, bounds_show.Width, "Hide==None");
}
}
}
private void MeasureCharacterRanges (string text, int first, int length)
{
if (font == null)
Assert.Ignore ("Couldn't create required font");
CharacterRange[] ranges = new CharacterRange[1];
ranges[0] = new CharacterRange (first, length);
StringFormat string_format = new StringFormat ();
string_format.FormatFlags = StringFormatFlags.NoClip;
string_format.SetMeasurableCharacterRanges (ranges);
using (Bitmap bitmap = new Bitmap (20, 20)) {
using (Graphics g = Graphics.FromImage (bitmap)) {
SizeF size = g.MeasureString (text, font, new Point (0, 0), string_format);
RectangleF layout_rect = new RectangleF (0.0f, 0.0f, size.Width, size.Height);
g.MeasureCharacterRanges (text, font, layout_rect, string_format);
}
}
}
