diff options
Diffstat (limited to 'libjava/gnu/java/awt/peer/gtk/GdkGlyphVector.java')
| -rw-r--r-- | libjava/gnu/java/awt/peer/gtk/GdkGlyphVector.java | 243 |
1 files changed, 129 insertions, 114 deletions
diff --git a/libjava/gnu/java/awt/peer/gtk/GdkGlyphVector.java b/libjava/gnu/java/awt/peer/gtk/GdkGlyphVector.java index c37de5274ac..29d38b5e3f4 100644 --- a/libjava/gnu/java/awt/peer/gtk/GdkGlyphVector.java +++ b/libjava/gnu/java/awt/peer/gtk/GdkGlyphVector.java @@ -1,5 +1,5 @@ /* GdkGlyphVector.java -- Glyph vector object - Copyright (C) 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -38,15 +38,13 @@ exception statement from your version. */ package gnu.java.awt.peer.gtk; -import gnu.classpath.Configuration; - import java.awt.Font; import java.awt.Rectangle; import java.awt.Shape; import java.awt.font.FontRenderContext; +import java.awt.font.GlyphJustificationInfo; import java.awt.font.GlyphMetrics; import java.awt.font.GlyphVector; -import java.awt.font.GlyphJustificationInfo; import java.awt.geom.AffineTransform; import java.awt.geom.Point2D; import java.awt.geom.Rectangle2D; @@ -54,36 +52,57 @@ import java.awt.geom.Rectangle2D; public class GdkGlyphVector extends GlyphVector { - static + /* We use a simple representation for glyph vectors here. Glyph i + * consumes 8 doubles: + * + * logical x: extents[ 10*i ] + * logical y: extents[ 10*i + 1 ] + * logical width: extents[ 10*i + 2 ] + * logical height: extents[ 10*i + 3 ] + * + * visual x: extents[ 10*i + 4 ] + * visual y: extents[ 10*i + 5 ] + * visual width: extents[ 10*i + 6 ] + * visual height: extents[ 10*i + 7 ] + * + * origin pos x: extents[ 10*i + 8 ] + * origin pos y: extents[ 10*i + 9 ] + * + * as well as one int, code[i], representing the glyph code in the font. + */ + + double [] extents; + int [] codes; + + Font font; + FontRenderContext fontRenderContext; + + Rectangle2D allLogical; + Rectangle2D allVisual; + + public GdkGlyphVector(double[] extents, int[] codes, Font font, FontRenderContext frc) { - if (Configuration.INIT_LOAD_LIBRARY) + this.extents = extents; + this.codes = codes; + this.font = font; + this.fontRenderContext = frc; + + allLogical = new Rectangle2D.Double(); + allVisual = new Rectangle2D.Double(); + + for (int i = 0; i < codes.length; ++i) { - System.loadLibrary("gtkpeer"); + allLogical.add (new Rectangle2D.Double(extents[10*i ] + extents[10*i + 8], + extents[10*i + 1] + extents[10*i + 9], + extents[10*i + 2], + extents[10*i + 3])); + + allVisual.add (new Rectangle2D.Double(extents[10*i + 4] + extents[10*i + 8], + extents[10*i + 5] + extents[10*i + 9], + extents[10*i + 6], + extents[10*i + 7])); } - - if (GtkToolkit.useGraphics2D ()) - initStaticState (); } - native static void initStaticState (); - private final int native_state = GtkGenericPeer.getUniqueInteger (); - - private Font font; - private FontRenderContext ctx; - - private native void initState (GdkFontPeer peer, FontRenderContext ctx); - private native void setChars (String s); - private native void setGlyphCodes (int codes[]); - private native void dispose (); - private native int glyphCode (int idx); - private native int numGlyphs (); - private native int glyphCharIndex (int idx); - private native double[] allLogicalExtents (); - private native double[] allInkExtents (); - private native double[] glyphLogicalExtents (int idx); - private native double[] glyphInkExtents (int idx); - private native boolean glyphIsHorizontal (int idx); - private native boolean isEqual (GdkGlyphVector ggv); - /* geometric notes: @@ -108,26 +127,14 @@ public class GdkGlyphVector extends GlyphVector */ - - public GdkGlyphVector (Font f, GdkFontPeer peer, FontRenderContext c, String s) - { - font = f; - ctx = c; - initState (peer, ctx); - setChars (s); - } - - public GdkGlyphVector (Font f, GdkFontPeer peer, FontRenderContext c, int codes[]) + public double[] getExtents() { - font = f; - ctx = c; - initState (peer, ctx); - setGlyphCodes (codes); + return extents; } - protected void finalize () + public int[] getCodes() { - dispose (); + return codes; } public Font getFont () @@ -137,12 +144,15 @@ public class GdkGlyphVector extends GlyphVector public FontRenderContext getFontRenderContext () { - return ctx; + return fontRenderContext; } public int getGlyphCharIndex (int glyphIndex) { - return glyphCharIndex (glyphIndex); + // FIXME: currently pango does not provide glyph-by-glyph + // reverse mapping information, so we assume a broken 1:1 + // glyph model here. This is plainly wrong. + return glyphIndex; } public int[] getGlyphCharIndices (int beginGlyphIndex, @@ -154,50 +164,44 @@ public class GdkGlyphVector extends GlyphVector ix = new int[numEntries]; for (int i = 0; i < numEntries; i++) - ix[i] = glyphCharIndex (beginGlyphIndex + i); + ix[i] = getGlyphCharIndex (beginGlyphIndex + i); return ix; } public int getGlyphCode (int glyphIndex) { - return glyphCode (glyphIndex); + return codes[glyphIndex]; } public int[] getGlyphCodes (int beginGlyphIndex, int numEntries, int[] codeReturn) { - int ix[] = codeReturn; - if (ix == null) - ix = new int[numEntries]; + if (codeReturn == null) + codeReturn = new int[numEntries]; - for (int i = 0; i < numEntries; i++) - ix[i] = glyphCode (beginGlyphIndex + i); - return ix; + System.arraycopy(codes, beginGlyphIndex, codeReturn, 0, numEntries); + return codeReturn; } - public Shape getGlyphLogicalBounds (int glyphIndex) + public Shape getGlyphLogicalBounds (int i) { - double extents[] = glyphLogicalExtents (glyphIndex); - return new Rectangle2D.Double (extents[0], extents[1], - extents[2], extents[3]); + return new Rectangle2D.Double (extents[8*i], extents[8*i + 1], + extents[8*i + 2], extents[8*i + 3]); } - public GlyphMetrics getGlyphMetrics (int glyphIndex) + public GlyphMetrics getGlyphMetrics (int i) { - double extents[] = glyphLogicalExtents (glyphIndex); - Rectangle2D log_bounds = new Rectangle2D.Double (extents[0], extents[1], - extents[2], extents[3]); - - extents = glyphInkExtents (glyphIndex); - Rectangle2D ink_bounds = new Rectangle2D.Double (extents[0], extents[1], - extents[2], extents[3]); - - boolean is_horizontal = glyphIsHorizontal (glyphIndex); - - return new GlyphMetrics (is_horizontal, - (float)(log_bounds.getWidth() + log_bounds.getX()), - (float)(log_bounds.getHeight() + log_bounds.getY()), - ink_bounds, GlyphMetrics.STANDARD); + // FIXME: pango does not yield vertical layout information at the + // moment. + + boolean is_horizontal = true; + double advanceX = extents[8*i + 2]; // "logical width" == advanceX + double advanceY = 0; + + return new GlyphMetrics (is_horizontal, + (float) advanceX, (float) advanceY, + (Rectangle2D) getGlyphVisualBounds(i), + GlyphMetrics.STANDARD); } public Shape getGlyphOutline (int glyphIndex) @@ -210,20 +214,18 @@ public class GdkGlyphVector extends GlyphVector throw new UnsupportedOperationException (); } - public Rectangle getGlyphPixelBounds (int glyphIndex, + public Rectangle getGlyphPixelBounds (int i, FontRenderContext renderFRC, float x, float y) { - double extents[] = glyphInkExtents(glyphIndex); - return new Rectangle ((int)x, (int)y, (int)extents[2], (int)extents[3]); + return new Rectangle((int) x, (int) y, + (int) extents[8*i + 6], (int) extents[8*i + 7]); } - public Point2D getGlyphPosition (int glyphIndex) + public Point2D getGlyphPosition (int i) { - float[] ret = new float[2 * (glyphIndex + 1)]; - getGlyphPositions (0, glyphIndex + 1, ret); - return new Point2D.Float (ret[2 * glyphIndex], - ret[2 * glyphIndex + 1]); + return new Point2D.Double (extents[10*i + 8], + extents[10*i + 9]); } public float[] getGlyphPositions (int beginGlyphIndex, @@ -234,35 +236,25 @@ public class GdkGlyphVector extends GlyphVector if (fx == null) fx = new float[numEntries * 2]; - - float x = 0.0f; - float y = 0.0f; for (int i = 0; i < numEntries; ++i) { - boolean is_horizontal = glyphIsHorizontal (beginGlyphIndex + i); - double log_extents[] = glyphLogicalExtents (beginGlyphIndex + i); - fx[2*i] = x + (float)log_extents[0]; // x offset - fx[2*i + 1] = y + (float)log_extents[1]; // y offset - if (is_horizontal) - x += (float)log_extents[2]; // x advance ("logical width") in pango-ese - else - y += (float)log_extents[3]; // y advance ("logical height") in pango-ese + fx[2*i ] = (float) extents[10*i + 8]; + fx[2*i + 1] = (float) extents[10*i + 9]; } return fx; } public AffineTransform getGlyphTransform (int glyphIndex) { - // glyphs don't have independent transforms in these simple glyph + // Glyphs don't have independent transforms in these simple glyph // vectors; docs specify null is an ok return here. return null; } - public Shape getGlyphVisualBounds (int glyphIndex) + public Shape getGlyphVisualBounds (int i) { - double extents[] = glyphInkExtents (glyphIndex); - return new Rectangle2D.Double (extents[0], extents[1], - extents[2], extents[3]); + return new Rectangle2D.Double(extents[8*i + 4], extents[8*i + 5], + extents[8*i + 6], extents[8*i + 7]); } public int getLayoutFlags () @@ -272,14 +264,12 @@ public class GdkGlyphVector extends GlyphVector public Rectangle2D getLogicalBounds () { - double extents[] = allLogicalExtents (); - return new Rectangle2D.Double (extents[0], extents[1], - extents[2], extents[3]); + return allLogical; } public int getNumGlyphs () { - return numGlyphs (); + return codes.length; } public Shape getOutline () @@ -290,26 +280,28 @@ public class GdkGlyphVector extends GlyphVector public Rectangle getPixelBounds (FontRenderContext renderFRC, float x, float y) { - double extents[] = allInkExtents(); - return new Rectangle ((int)x, (int)y, - (int)extents[2], (int)extents[3]); + return new Rectangle((int)x, + (int)y, + (int) allVisual.getWidth(), + (int) allVisual.getHeight()); } public Rectangle2D getVisualBounds () { - double extents[] = allInkExtents(); - return new Rectangle2D.Double (extents[0], extents[1], - extents[2], extents[3]); + return allVisual; } public void performDefaultLayout () { } - public void setGlyphPosition (int glyphIndex, Point2D newPos) + public void setGlyphPosition (int i, Point2D newPos) { - // should we be ok twiddling pango's structure here? - throw new UnsupportedOperationException (); + extents[8*i ] = newPos.getX(); + extents[8*i + 1] = newPos.getY(); + + extents[8*i + 4] = newPos.getX(); + extents[8*i + 5] = newPos.getY(); } public void setGlyphTransform (int glyphIndex, @@ -327,8 +319,31 @@ public class GdkGlyphVector extends GlyphVector if (! (gv instanceof GdkGlyphVector)) return false; - GdkGlyphVector ggv = (GdkGlyphVector)gv; - return isEqual(ggv); + GdkGlyphVector ggv = (GdkGlyphVector) gv; + + if ((ggv.codes.length != this.codes.length) + || (ggv.extents.length != this.extents.length)) + return false; + + if ((ggv.font == null && this.font != null) + || (ggv.font != null && this.font == null) + || (!ggv.font.equals(this.font))) + return false; + + if ((ggv.fontRenderContext == null && this.fontRenderContext != null) + || (ggv.fontRenderContext != null && this.fontRenderContext == null) + || (!ggv.fontRenderContext.equals(this.fontRenderContext))) + return false; + + for (int i = 0; i < ggv.codes.length; ++i) + if (ggv.codes[i] != this.codes[i]) + return false; + + for (int i = 0; i < ggv.extents.length; ++i) + if (ggv.extents[i] != this.extents[i]) + return false; + + return true; } public GlyphJustificationInfo getGlyphJustificationInfo(int idx) |