/*
Copyright (C) 2009 Volker Berlin (i-net software)
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
Jeroen Frijters
jeroen@frijters.net
*/
package sun.font;
import java.awt.Rectangle;
import java.awt.font.FontRenderContext;
import java.awt.geom.GeneralPath;
import java.awt.geom.Point2D.Float;
import sun.reflect.generics.reflectiveObjects.NotImplementedException;
import cli.System.Drawing.*;
/**
* A FontStrike implementation that based on .NET fonts.
* It replace the equals naming Sun class
*/
public class PhysicalStrike extends FontStrike{
private final Font font;
private final FontFamily family;
private final FontStyle style;
private final FontRenderContext frc;
private final float size2D;
private final float factor;
private StrikeMetrics strike;
private static final Bitmap bitmap = new Bitmap(1, 1);
private static final Graphics g = Graphics.FromImage(bitmap);
private static final StringFormat format = new cli.System.Drawing.StringFormat(StringFormat.get_GenericTypographic());
static{
StringFormatFlags flags = format.get_FormatFlags();
flags = StringFormatFlags.wrap(flags.Value | StringFormatFlags.MeasureTrailingSpaces);
format.set_FormatFlags( flags );
}
public PhysicalStrike(Font font, FontFamily family, FontStyle style, FontRenderContext frc){
this.font = font;
this.family = family;
this.style = style;
this.frc = frc;
this.size2D = font.get_Size();
this.factor = size2D / family.GetEmHeight(style);
}
/**
* {@inheritDoc}
*/
@Override
Float getCharMetrics(char ch){
SizeF sizeF = g.MeasureString(String.valueOf(ch), font, Integer.MAX_VALUE, format);
if(frc.usesFractionalMetrics()){
return new Float(sizeF.get_Width(), 0);
}else{
return new Float((int)(sizeF.get_Width() + 0.5F), 0);
}
}
/**
* {@inheritDoc}
*/
@Override
float getCodePointAdvance(int cp){
SizeF sizeF = g.MeasureString(String.valueOf((char)cp), font, Integer.MAX_VALUE, format);
if(frc.usesFractionalMetrics()){
return sizeF.get_Width();
} else {
return (int)(sizeF.get_Width() + 0.5F);
}
}
/**
* {@inheritDoc}
*/
@Override
StrikeMetrics getFontMetrics(){
if(strike == null){
float ascent = family.GetCellAscent(style) * factor;
float descent = family.GetCellDescent(style) * factor;
float height = family.GetLineSpacing(style) * factor;
float leading = height - ascent - descent;
strike = new StrikeMetrics(
0, -ascent - leading/2,
0, descent - leading/2,
0.25f, 0,
0, leading,
size2D * 2, 0);
}
return strike;
}
/**
* {@inheritDoc}
*/
@Override
float getGlyphAdvance(int glyphCode){
throw new NotImplementedException();
}
/**
* {@inheritDoc}
*/
@Override
void getGlyphImageBounds(int glyphcode, Float pt, Rectangle result){
throw new NotImplementedException();
}
/**
* {@inheritDoc}
*/
@Override
long getGlyphImagePtr(int glyphcode){
throw new NotImplementedException();
}
/**
* {@inheritDoc}
*/
@Override
void getGlyphImagePtrs(int[] glyphCodes, long[] images, int len){
throw new NotImplementedException();
}
/**
* {@inheritDoc}
*/
@Override
Float getGlyphMetrics(int glyphcode){
return getCharMetrics((char)glyphcode);
}
/**
* {@inheritDoc}
*/
@Override
GeneralPath getGlyphOutline(int glyphCode, float x, float y){
throw new NotImplementedException();
}
/**
* {@inheritDoc}
*/
@Override
java.awt.geom.Rectangle2D.Float getGlyphOutlineBounds(int glyphCode){
throw new NotImplementedException();
}
/**
* {@inheritDoc}
*/
@Override
GeneralPath getGlyphVectorOutline(int[] glyphs, float x, float y){
throw new NotImplementedException();
}
/**
* {@inheritDoc}
*/
@Override
public int getNumGlyphs(){
throw new NotImplementedException();
}
}