// ===========================================================================
// ©2013-2026 WebSupergoo. All rights reserved.
//
// This source code is for use exclusively with the ABCpdf product with
// which it is distributed, under the terms of the license for that
// product. Details can be found at
//
// http://www.websupergoo.com/
//
// This copyright notice must not be deleted and must be reproduced alongside
// any sections of code extracted from this module.
// ===========================================================================
using System;
namespace WebSupergoo.ABCpdf14.Drawing
{
#region FontStyle
[FlagsAttribute]
/// <summary>
/// Specifies style information applied to text.
/// </summary>
public enum FontStyle
{
/// <summary>
/// Normal text.
/// </summary>
Regular = 0,
/// <summary>
/// Bold text.
/// </summary>
Bold = 1,
/// <summary>
/// Italic text.
/// </summary>
Italic = 2,
/// <summary>
/// Underlined text.
/// </summary>
Underline = 4,
/// <summary>
/// Text with a line through the middle.
/// </summary>
Strikeout = 8
};
#endregion
namespace Text{
#region GenericFontFamilies
/// <summary>
/// Specifies a generic FontFamily object.
/// </summary>
public enum GenericFontFamilies {
/// <summary>
/// A generic Serif FontFamily object.
/// </summary>
Serif,
/// <summary>
/// A generic Sans Serif FontFamily object.
/// </summary>
SansSerif,
/// <summary>
/// A generic Monospace FontFamily object.
/// </summary>
Monospace
}
#endregion
}
#region TextRenderingMode
/// <summary>
/// Determines whether showing text causes glyph outlines to be stroked, filled, used as a clipping boundary,
/// or some combination of the three.
/// </summary>
public enum TextRenderingMode {
/// <summary>
/// Fill text.
/// </summary>
FillText,
/// <summary>
/// Stroke text.
/// </summary>
StrokeText,
/// <summary>
/// Fill, then stroke text.
/// </summary>
FillThenStrokeText,
/// <summary>
/// Neither fill nor stroke text (invisible).
/// </summary>
Invisible,
/// <summary>
/// Fill text and add to path for clipping (see above).
/// </summary>
FillTextAndAddForClipping,
/// <summary>
/// Stroke text and add to path for clipping.
/// </summary>
StrokeTextAndAddForClipping,
/// <summary>
/// Fill, then stroke text and add to path for clipping.
/// </summary>
FillThenStrokeTextAndAddForClipping,
/// <summary>
/// Add text to path for clipping.
/// </summary>
AddForClipping
}
#endregion
#region TextState
/// <summary>
/// Comprises graphics state parameters that only affect text.
/// </summary>
public sealed class TextState {
#region Declare variables
private double _characterSpacing = 0;
private double _wordSpacing = 0;
private double _horizontalScaling = 100;
private double _leading = 0;
private TextRenderingMode _renderingMode;
#endregion
#region Properties
/// <summary>
/// Specified in unscaled text space units.
/// </summary>
public double CharacterSpacing {
get { return _characterSpacing; }
set { _characterSpacing = value; }
}
/// <summary>
/// Specified in unscaled word space units.
/// </summary>
public double WordSpacing {
get { return _wordSpacing; }
set { _wordSpacing = value; }
}
/// <summary>
/// Adjusts the width of glyphs by stretching or compressing them in the horizontal direction.
/// </summary>
public double HorizontalScaling {
get { return _horizontalScaling; }
set { _horizontalScaling = value; }
}
/// <summary>
/// Measured in unscaled text space units.
/// </summary>
public double Leading {
get { return _leading; }
set { _leading = value; }
}
/// <summary>
/// Determines whether showing text causes glyph outlines to be stroked, filled, used as a clipping boundary,
/// or some combination of the three.
/// </summary>
public TextRenderingMode RenderingMode {
get { return _renderingMode; }
set { _renderingMode = value; }
}
#endregion
#region Constructors
/// <summary>
/// Initializes a new TextState object using a specified character spacing,
/// word spacing, horizontal scaling, leading, rendering mode.
/// </summary>
/// <param name="characterSpacing">Specified in unscaled word space units.</param>
/// <param name="wordSpacing">Specified in unscaled word space units.</param>
/// <param name="horizontalScaling">Adjusts the width of glyphs by stretching or compressing them in the horizontal direction.</param>
/// <param name="leading">Measured in unscaled text space units.</param>
/// <param name="renderingMode">Determines whether showing text causes glyph outlines to be stroked, filled, used as a clipping boundary, or some combination of the three.</param>
/*/// <param name="rise">Specifies the distance, in unscaled text space units.</param>*/
public TextState(double characterSpacing, double wordSpacing, double horizontalScaling, double leading, TextRenderingMode renderingMode/*, double rise*/) {
_characterSpacing = characterSpacing;
_wordSpacing = wordSpacing;
_horizontalScaling = horizontalScaling;
_leading = leading;
_renderingMode = renderingMode;
//_rise = rise;
}
/// <summary>
/// Initializes a new TextState object using a specified rendering mode.
/// </summary>
/// <param name="renderingMode">Determines whether showing text causes glyph outlines to be stroked, filled, used as a clipping boundary, or some combination of the three.</param>
public TextState(TextRenderingMode renderingMode) {
_renderingMode = renderingMode;
}
public TextState() : this(TextRenderingMode.FillText) {
}
#endregion
};
#endregion
internal sealed class FontInfoConvert
{
internal static bool TestFlag(FontStyle value, FontStyle testValue)
{
return (value & testValue) == testValue;
}
internal static bool TestFlag(System.Drawing.FontStyle value,
System.Drawing.FontStyle testValue)
{
return (value & testValue) == testValue;
}
public static System.Drawing.FontStyle ToGdiplusFontStyle(FontStyle style)
{
return (TestFlag(style, FontStyle.Bold)?
System.Drawing.FontStyle.Bold: System.Drawing.FontStyle.Regular)
| (TestFlag(style, FontStyle.Italic)?
System.Drawing.FontStyle.Italic: System.Drawing.FontStyle.Regular)
| (TestFlag(style, FontStyle.Strikeout)?
System.Drawing.FontStyle.Strikeout: System.Drawing.FontStyle.Regular)
| (TestFlag(style, FontStyle.Underline)?
System.Drawing.FontStyle.Underline: System.Drawing.FontStyle.Regular);
}
public static FontStyle ToFontStyle(System.Drawing.FontStyle style)
{
return (TestFlag(style, System.Drawing.FontStyle.Bold)?
FontStyle.Bold: FontStyle.Regular)
| (TestFlag(style, System.Drawing.FontStyle.Italic)?
FontStyle.Italic: FontStyle.Regular)
| (TestFlag(style, System.Drawing.FontStyle.Strikeout)?
FontStyle.Strikeout: FontStyle.Regular)
| (TestFlag(style, System.Drawing.FontStyle.Underline)?
FontStyle.Underline: FontStyle.Regular);
}
public static System.Drawing.Text.GenericFontFamilies ToGdiplusGenericFontFamilies(
Text.GenericFontFamilies genericFamily)
{
switch(genericFamily)
{
case Text.GenericFontFamilies.Monospace:
return System.Drawing.Text.GenericFontFamilies.Monospace;
case Text.GenericFontFamilies.SansSerif:
return System.Drawing.Text.GenericFontFamilies.SansSerif;
case Text.GenericFontFamilies.Serif:
default:
return System.Drawing.Text.GenericFontFamilies.Serif;
}
}
public static Text.GenericFontFamilies ToGenericFontFamilies(
System.Drawing.Text.GenericFontFamilies genericFamily)
{
switch(genericFamily)
{
case System.Drawing.Text.GenericFontFamilies.Monospace:
return Text.GenericFontFamilies.Monospace;
case System.Drawing.Text.GenericFontFamilies.SansSerif:
return Text.GenericFontFamilies.SansSerif;
case System.Drawing.Text.GenericFontFamilies.Serif:
default:
return Text.GenericFontFamilies.Serif;
}
}
}
}
