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Diffstat (limited to 'openjdk/sun/font/Font2D.java')
| -rw-r--r-- | openjdk/sun/font/Font2D.java | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/openjdk/sun/font/Font2D.java b/openjdk/sun/font/Font2D.java deleted file mode 100644 index 7fc9eda0..00000000 --- a/openjdk/sun/font/Font2D.java +++ /dev/null @@ -1,221 +0,0 @@ -/* - 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.Font; -import java.awt.font.FontRenderContext; -import java.awt.geom.AffineTransform; -import java.util.Locale; - -import sun.awt.SunHints; - - - -/** - * - */ -public abstract class Font2D{ - - public Font2DHandle handle = new Font2DHandle(this); - - /* SunGraphics2D has font, tx, aa and fm. From this info - * can get a Strike object from the cache, creating it if necessary. - * This code is designed for multi-threaded access. - * For that reason it creates a local FontStrikeDesc rather than filling - * in a shared one. Up to two AffineTransforms and one FontStrikeDesc will - * be created by every lookup. This appears to perform more than - * adequately. But it may make sense to expose FontStrikeDesc - * as a parameter so a caller can use its own. - * In such a case if a FontStrikeDesc is stored as a key then - * we would need to use a private copy. - * - * Note that this code doesn't prevent two threads from creating - * two different FontStrike instances and having one of the threads - * overwrite the other in the map. This is likely to be a rare - * occurrence and the only consequence is that these callers will have - * different instances of the strike, and there'd be some duplication of - * population of the strikes. However since users of these strikes are - * transient, then the one that was overwritten would soon be freed. - * If there is any problem then a small synchronized block would be - * required with its attendant consequences for MP scalability. - */ - public FontStrike getStrike(Font font, AffineTransform devTx, int aa, int fm){ - return getStrike(font, new FontRenderContext(devTx, aa == SunHints.INTVAL_TEXT_ANTIALIAS_ON, - fm == SunHints.INTVAL_FRACTIONALMETRICS_ON)); - } - - public FontStrike getStrike(Font font, FontRenderContext frc) { - // TODO Auto-generated method stub - return null; - } - - public void removeFromCache(FontStrikeDesc desc){ - // TODO Auto-generated method stub - - } - - /** - * The length of the metrics array must be >= 8. This method will - * store the following elements in that array before returning: - * metrics[0]: ascent - * metrics[1]: descent - * metrics[2]: leading - * metrics[3]: max advance - * metrics[4]: strikethrough offset - * metrics[5]: strikethrough thickness - * metrics[6]: underline offset - * metrics[7]: underline thickness - */ - public void getFontMetrics(Font font, AffineTransform identityTx, Object antiAliasingHint, - Object fractionalMetricsHint, float[] metrics){ - FontRenderContext frc = new FontRenderContext(identityTx, antiAliasingHint, fractionalMetricsHint); - StrikeMetrics strikeMetrics = getStrike(font, frc).getFontMetrics(); - metrics[0] = strikeMetrics.getAscent(); - metrics[1] = strikeMetrics.getDescent(); - metrics[2] = strikeMetrics.getLeading(); - metrics[3] = strikeMetrics.getMaxAdvance(); - - getStyleMetrics(font.getSize2D(), metrics, 4); - } - - /** - * The length of the metrics array must be >= offset+4, and offset must be - * >= 0. Typically offset is 4. This method will - * store the following elements in that array before returning: - * metrics[off+0]: strikethrough offset - * metrics[off+1]: strikethrough thickness - * metrics[off+2]: underline offset - * metrics[off+3]: underline thickness - * - * Note that this implementation simply returns default values; - * subclasses can override this method to provide more accurate values. - */ - public void getStyleMetrics(float pointSize, float[] metrics, int offset) { - metrics[offset] = -metrics[0] / 2.5f; - metrics[offset+1] = pointSize / 12; - metrics[offset+2] = metrics[offset+1] / 1.5f; - metrics[offset+3] = metrics[offset+1]; - } - - /** - * The length of the metrics array must be >= 4. This method will - * store the following elements in that array before returning: - * metrics[0]: ascent - * metrics[1]: descent - * metrics[2]: leading - * metrics[3]: max advance - */ - public void getFontMetrics(Font font, FontRenderContext frc, - float metrics[]) { - StrikeMetrics strikeMetrics = getStrike(font, frc).getFontMetrics(); - metrics[0] = strikeMetrics.getAscent(); - metrics[1] = strikeMetrics.getDescent(); - metrics[2] = strikeMetrics.getLeading(); - metrics[3] = strikeMetrics.getMaxAdvance(); - } - - /* - * All the important subclasses override this which is principally for - * the TrueType 'gasp' table. - */ - public boolean useAAForPtSize(int ptsize) { - return true; - } - - public boolean hasSupplementaryChars() { - return false; - } - - /* The following methods implement public methods on java.awt.Font */ - public String getPostscriptName(){ - // TODO Auto-generated method stub - return null; - } - - public String getFontName(Locale l){ - // TODO Auto-generated method stub - return null; - } - - public String getFamilyName(Locale l){ - // TODO Auto-generated method stub - return null; - } - - public int getNumGlyphs(){ - // TODO Auto-generated method stub - return 0; - } - - public int charToGlyph(int wchar) { - return wchar; - } - - public int getMissingGlyphCode(){ - // TODO Auto-generated method stub - return 0; - } - - public boolean canDisplay(char c){ - //HACK There is no equivalent in C# http://msdn2.microsoft.com/en-us/library/sf4dhbw8(VS.80).aspx - return true; - } - - public boolean canDisplay(int cp){ - //HACK There is no equivalent in C# http://msdn2.microsoft.com/en-us/library/sf4dhbw8(VS.80).aspx - return true; - } - - public byte getBaselineFor(char c) { - return Font.ROMAN_BASELINE; - } - - public float getItalicAngle(Font font, AffineTransform at, - Object aaHint, Object fmHint) { - /* hardwire psz=12 as that's typical and AA vs non-AA for 'gasp' mode - * isn't important for the caret slope of this rarely used API. - */ - int aa = FontStrikeDesc.getAAHintIntVal(aaHint, this, 12); - int fm = FontStrikeDesc.getFMHintIntVal(fmHint); - FontStrike strike = getStrike(font, at, aa, fm); - StrikeMetrics metrics = strike.getFontMetrics(); - if (metrics.ascentY == 0 || metrics.ascentX == 0) { - return 0f; - } else { - /* ascent is "up" from the baseline so its typically - * a negative value, so we need to compensate - */ - return metrics.ascentX/-metrics.ascentY; - } - } - - /** Returns the "real" style of this Font2D. Eg the font face - * Lucida Sans Bold" has a real style of Font.BOLD, even though - * it may be able to used to simulate bold italic - */ - public abstract int getStyle(); - - public abstract cli.System.Drawing.Font createNetFont(Font font); - -} |