diff options
Diffstat (limited to 'gnu/java/awt/peer/gtk')
| -rw-r--r-- | gnu/java/awt/peer/gtk/BufferedImageGraphics.java | 6 | ||||
| -rw-r--r-- | gnu/java/awt/peer/gtk/CairoGraphics2D.java | 213 | ||||
| -rw-r--r-- | gnu/java/awt/peer/gtk/CairoSurface.java | 51 | ||||
| -rw-r--r-- | gnu/java/awt/peer/gtk/FreetypeGlyphVector.java | 115 | ||||
| -rw-r--r-- | gnu/java/awt/peer/gtk/VolatileImageGraphics.java | 200 |
5 files changed, 448 insertions, 137 deletions
diff --git a/gnu/java/awt/peer/gtk/BufferedImageGraphics.java b/gnu/java/awt/peer/gtk/BufferedImageGraphics.java index 5412cbea9..e188d3fd0 100644 --- a/gnu/java/awt/peer/gtk/BufferedImageGraphics.java +++ b/gnu/java/awt/peer/gtk/BufferedImageGraphics.java @@ -158,6 +158,7 @@ public class BufferedImageGraphics extends CairoGraphics2D BufferedImageGraphics(BufferedImageGraphics copyFrom) { + image = copyFrom.image; surface = copyFrom.surface; cairo_t = surface.newCairoContext(); imageWidth = copyFrom.imageWidth; @@ -182,6 +183,9 @@ public class BufferedImageGraphics extends CairoGraphics2D width = imageWidth - x; if( y + height > imageHeight ) height = imageHeight - y; + + boolean wasPremultiplied = image.isAlphaPremultiplied(); + image.coerceData(true); if( !hasFastCM ) image.setRGB(x, y, width, height, pixels, @@ -190,6 +194,8 @@ public class BufferedImageGraphics extends CairoGraphics2D System.arraycopy(pixels, y * imageWidth, ((DataBufferInt)image.getRaster().getDataBuffer()). getData(), y * imageWidth, height * imageWidth); + + image.coerceData(wasPremultiplied); } /** diff --git a/gnu/java/awt/peer/gtk/CairoGraphics2D.java b/gnu/java/awt/peer/gtk/CairoGraphics2D.java index 8fe04fe77..fd69c9b48 100644 --- a/gnu/java/awt/peer/gtk/CairoGraphics2D.java +++ b/gnu/java/awt/peer/gtk/CairoGraphics2D.java @@ -45,6 +45,7 @@ import java.awt.AlphaComposite; import java.awt.BasicStroke; import java.awt.Color; import java.awt.Composite; +import java.awt.CompositeContext; import java.awt.Font; import java.awt.FontMetrics; import java.awt.GradientPaint; @@ -53,6 +54,8 @@ import java.awt.Graphics2D; import java.awt.GraphicsConfiguration; import java.awt.Image; import java.awt.Paint; +import java.awt.PaintContext; +import java.awt.Point; import java.awt.Polygon; import java.awt.Rectangle; import java.awt.RenderingHints; @@ -161,6 +164,7 @@ public abstract class CairoGraphics2D extends Graphics2D * The current compositing context, if any. */ Composite comp; + CompositeContext compCtx; /** * Rendering hint map. @@ -190,6 +194,18 @@ public abstract class CairoGraphics2D extends Graphics2D 0xFF000000); /** + * Native constants for interpolation methods. + * Note, this corresponds to an enum in native/jni/gtk-peer/cairographics2d.h + */ + public static final int INTERPOLATION_NEAREST = 0, + INTERPOLATION_BILINEAR = 1, + INTERPOLATION_BICUBIC = 5, + ALPHA_INTERPOLATION_SPEED = 2, + ALPHA_INTERPOLATION_QUALITY = 3, + ALPHA_INTERPOLATION_DEFAULT = 4; + // TODO: Does ALPHA_INTERPOLATION really correspond to CAIRO_FILTER_FAST/BEST/GOOD? + + /** * Constructor does nothing. */ public CairoGraphics2D() @@ -220,6 +236,7 @@ public abstract class CairoGraphics2D extends Graphics2D nativePointer = init(cairo_t_pointer); paint = g.paint; stroke = g.stroke; + comp = g.comp; setRenderingHints(g.hints); Color foreground; @@ -254,6 +271,7 @@ public abstract class CairoGraphics2D extends Graphics2D setStroke(stroke); setTransformImpl(transform); setClip(clip); + setComposite(comp); } /** @@ -274,6 +292,8 @@ public abstract class CairoGraphics2D extends Graphics2D { disposeNative(nativePointer); nativePointer = 0; + if (compCtx != null) + compCtx.dispose(); } /** @@ -309,15 +329,16 @@ public abstract class CairoGraphics2D extends Graphics2D * @param i2u - affine transform array */ private native void drawPixels(long pointer, int[] pixels, int w, int h, - int stride, double[] i2u, double alpha); + int stride, double[] i2u, double alpha, + int interpolation); private native void setGradient(long pointer, double x1, double y1, double x2, double y2, int r1, int g1, int b1, int a1, int r2, int g2, int b2, int a2, boolean cyclic); - private native void setTexturePixels(long pointer, int[] pixels, int w, - int h, int stride); + private native void setPaintPixels(long pointer, int[] pixels, int w, + int h, int stride, boolean repeat); /** * Set the current transform matrix @@ -441,11 +462,6 @@ public abstract class CairoGraphics2D extends Graphics2D private native void cairoResetClip(long pointer); /** - * Set interpolation types - */ - private native void cairoSurfaceSetFilter(long pointer, int filter); - - /** * Draws a line from (x1,y1) to (x2,y2). * * @param pointer the native pointer @@ -666,7 +682,7 @@ public abstract class CairoGraphics2D extends Graphics2D public void setPaint(Paint p) { - if (paint == null) + if (p == null) return; paint = p; @@ -690,7 +706,7 @@ public abstract class CairoGraphics2D extends Graphics2D AffineTransformOp op = new AffineTransformOp(at, getRenderingHints()); BufferedImage texture = op.filter(img, null); int[] pixels = texture.getRGB(0, 0, width, height, null, 0, width); - setTexturePixels(nativePointer, pixels, width, height, width); + setPaintPixels(nativePointer, pixels, width, height, width, true); } else if (paint instanceof GradientPaint) { @@ -705,7 +721,52 @@ public abstract class CairoGraphics2D extends Graphics2D gp.isCyclic()); } else - throw new java.lang.UnsupportedOperationException(); + { + // Get bounds in device space + int minX = 0; + int minY = 0; + int width = (int)getRealBounds().getWidth(); + int height = (int)getRealBounds().getHeight(); + + Point2D origin = transform.transform(new Point2D.Double(minX, minY), + null); + Point2D extreme = transform.transform(new Point2D.Double(width + minX, + height + minY), + null); + minX = (int)origin.getX(); + minY = (int)origin.getY(); + width = (int)extreme.getX() - minX; + height = (int)extreme.getY() - minY; + + // Get raster of the paint background + PaintContext pc = paint.createContext(ColorModel.getRGBdefault(), + new Rectangle(minX, minY, + width, height), + getRealBounds(), + transform, hints); + + Raster raster = pc.getRaster(minX, minY, width, height); + + // Work around colorspace issues, and force use of the + // BufferedImage.getRGB method... this can be improved upon. + WritableRaster wr = Raster.createWritableRaster(raster.getSampleModel(), + new Point(raster.getMinX(), + raster.getMinY())); + wr.setRect(raster); + + BufferedImage img2 = new BufferedImage(pc.getColorModel(), wr, + pc.getColorModel().isAlphaPremultiplied(), + null); + + // Set pixels in cairo + setPaintPixels(nativePointer, + img2.getRGB(0, 0, width, height, null, 0, width), + width, height, width, false); + // setPaintPixels(nativePointer, + // raster.getPixels(0, 0, width, height, (int[])null), + // width, height, width, false); + // doesn't work... but would be much more efficient! + } } public Stroke getStroke() @@ -896,13 +957,23 @@ public abstract class CairoGraphics2D extends Graphics2D */ public void setComposite(Composite comp) { + if (this.comp == comp) + return; + this.comp = comp; + if (compCtx != null) + compCtx.dispose(); + compCtx = null; + if (comp == null) + comp = AlphaComposite.SrcOver; + if (comp instanceof AlphaComposite) { AlphaComposite a = (AlphaComposite) comp; cairoSetOperator(nativePointer, a.getRule()); } + else { // FIXME: this check is only required "if this Graphics2D @@ -912,9 +983,26 @@ public abstract class CairoGraphics2D extends Graphics2D sm.checkPermission(new AWTPermission("readDisplayPixels")); // FIXME: implement general Composite support - throw new java.lang.UnsupportedOperationException(); + //throw new java.lang.UnsupportedOperationException(); + // this is in progress! yay! + compCtx = comp.createContext(getNativeCM(), getNativeCM(), hints); } } + + /** + * Returns the Colour Model describing the native, raw image data for this + * specific peer. + * + * @return ColorModel the ColorModel of native data in this peer + */ + /* protected abstract ColorModel getNativeCM(); */ + protected ColorModel getNativeCM() + { + // This stub should be removed and the method made abstract once I'm done + // implementing custom composites across all the peers... but we need it + // for now, so that the build doesn't break. + return null; + } ///////////////////////// DRAWING PRIMITIVES /////////////////////////////////// @@ -1006,8 +1094,14 @@ public abstract class CairoGraphics2D extends Graphics2D { if (bg != null) cairoSetRGBAColor(nativePointer, bg.getRed() / 255.0, - bg.getGreen() / 255.0, bg.getBlue() / 255.0, 1.0); + bg.getGreen() / 255.0, bg.getBlue() / 255.0, + bg.getAlpha() / 255.0); + + Composite oldcomp = comp; + setComposite(AlphaComposite.Src); fillRect(x, y, width, height); + + setComposite(oldcomp); updateColor(); } @@ -1054,7 +1148,10 @@ public abstract class CairoGraphics2D extends Graphics2D public void fillRect(int x, int y, int width, int height) { - cairoFillRect(nativePointer, x, y, width, height); + fill(new Rectangle(x, y, width, height)); + // TODO: If we want to use the more efficient + //cairoFillRect(nativePointer, x, y, width, height); + // we need to override this method in subclasses } public void fillPolygon(int[] xPoints, int[] yPoints, int nPoints) @@ -1150,32 +1247,10 @@ public abstract class CairoGraphics2D extends Graphics2D ///////////////////////// RENDERING HINTS /////////////////////////////////// - /** - * FIXME- support better - */ public void setRenderingHint(RenderingHints.Key hintKey, Object hintValue) { hints.put(hintKey, hintValue); - if (hintKey.equals(RenderingHints.KEY_INTERPOLATION) - || hintKey.equals(RenderingHints.KEY_ALPHA_INTERPOLATION)) - { - if (hintValue.equals(RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR)) - cairoSurfaceSetFilter(nativePointer, 0); - - else if (hintValue.equals(RenderingHints.VALUE_INTERPOLATION_BILINEAR)) - cairoSurfaceSetFilter(nativePointer, 1); - - else if (hintValue.equals(RenderingHints.VALUE_ALPHA_INTERPOLATION_SPEED)) - cairoSurfaceSetFilter(nativePointer, 2); - - else if (hintValue.equals(RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY)) - cairoSurfaceSetFilter(nativePointer, 3); - - else if (hintValue.equals(RenderingHints.VALUE_ALPHA_INTERPOLATION_DEFAULT)) - cairoSurfaceSetFilter(nativePointer, 4); - } - shiftDrawCalls = hints.containsValue(RenderingHints.VALUE_STROKE_NORMALIZE) || hints.containsValue(RenderingHints.VALUE_STROKE_DEFAULT); } @@ -1189,30 +1264,15 @@ public abstract class CairoGraphics2D extends Graphics2D { this.hints = new RenderingHints(getDefaultHints()); this.hints.add(new RenderingHints(hints)); - - if (hints.containsKey(RenderingHints.KEY_INTERPOLATION)) - { - if (hints.containsValue(RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR)) - cairoSurfaceSetFilter(nativePointer, 0); - - else if (hints.containsValue(RenderingHints.VALUE_INTERPOLATION_BILINEAR)) - cairoSurfaceSetFilter(nativePointer, 1); - } - - if (hints.containsKey(RenderingHints.KEY_ALPHA_INTERPOLATION)) - { - if (hints.containsValue(RenderingHints.VALUE_ALPHA_INTERPOLATION_SPEED)) - cairoSurfaceSetFilter(nativePointer, 2); - - else if (hints.containsValue(RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY)) - cairoSurfaceSetFilter(nativePointer, 3); - - else if (hints.containsValue(RenderingHints.VALUE_ALPHA_INTERPOLATION_DEFAULT)) - cairoSurfaceSetFilter(nativePointer, 4); - } - + shiftDrawCalls = hints.containsValue(RenderingHints.VALUE_STROKE_NORMALIZE) || hints.containsValue(RenderingHints.VALUE_STROKE_DEFAULT); + + if (compCtx != null) + { + compCtx.dispose(); + compCtx = comp.createContext(getNativeCM(), getNativeCM(), this.hints); + } } public void addRenderingHints(Map hints) @@ -1224,6 +1284,30 @@ public abstract class CairoGraphics2D extends Graphics2D { return hints; } + + private int getInterpolation() + { + if (this.hints.containsValue(RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR)) + return INTERPOLATION_NEAREST; + + else if (hints.containsValue(RenderingHints.VALUE_INTERPOLATION_BILINEAR)) + return INTERPOLATION_BILINEAR; + + else if (hints.containsValue(RenderingHints.VALUE_INTERPOLATION_BICUBIC)) + return INTERPOLATION_BICUBIC; + + else if (hints.containsValue(RenderingHints.VALUE_ALPHA_INTERPOLATION_SPEED)) + return ALPHA_INTERPOLATION_SPEED; + + else if (hints.containsValue(RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY)) + return ALPHA_INTERPOLATION_QUALITY; + + else if (hints.containsValue(RenderingHints.VALUE_ALPHA_INTERPOLATION_DEFAULT)) + return ALPHA_INTERPOLATION_DEFAULT; + + // Do bilinear interpolation as default + return INTERPOLATION_BILINEAR; + } ///////////////////////// IMAGE. METHODS /////////////////////////////////// @@ -1273,6 +1357,9 @@ public abstract class CairoGraphics2D extends Graphics2D double[] i2u = new double[6]; int width = b.getWidth(); int height = b.getHeight(); + + boolean wasPremultplied = b.isAlphaPremultiplied(); + b.coerceData(true); // If this BufferedImage has a BufferedImageGraphics object, // use the cached CairoSurface that BIG is drawing onto @@ -1290,8 +1377,10 @@ public abstract class CairoGraphics2D extends Graphics2D if(raster instanceof CairoSurface) { - ((CairoSurface)raster).drawSurface(nativePointer, i2u, alpha); + ((CairoSurface)raster).drawSurface(nativePointer, i2u, alpha, + getInterpolation()); updateColor(); + b.coerceData(wasPremultplied); return true; } @@ -1310,10 +1399,12 @@ public abstract class CairoGraphics2D extends Graphics2D int[] pixels = b.getRGB(0, 0, width, height, null, 0, width); - drawPixels(nativePointer, pixels, width, height, width, i2u, alpha); + drawPixels(nativePointer, pixels, width, height, width, i2u, alpha, + getInterpolation()); // Cairo seems to lose the current color which must be restored. updateColor(); + b.coerceData(wasPremultplied); return true; } @@ -1626,7 +1717,7 @@ public abstract class CairoGraphics2D extends Graphics2D if (comp instanceof AlphaComposite) alpha = ((AlphaComposite) comp).getAlpha(); drawPixels(nativePointer, pixels, r.getWidth(), r.getHeight(), - r.getWidth(), i2u, alpha); + r.getWidth(), i2u, alpha, getInterpolation()); // Cairo seems to lose the current color which must be restored. updateColor(); diff --git a/gnu/java/awt/peer/gtk/CairoSurface.java b/gnu/java/awt/peer/gtk/CairoSurface.java index 3bf9a9ccf..91b10369d 100644 --- a/gnu/java/awt/peer/gtk/CairoSurface.java +++ b/gnu/java/awt/peer/gtk/CairoSurface.java @@ -38,15 +38,18 @@ exception statement from your version. */ package gnu.java.awt.peer.gtk; -import java.awt.Point; +import gnu.java.awt.Buffers; + import java.awt.Graphics2D; -import java.awt.image.DataBuffer; -import java.awt.image.Raster; -import java.awt.image.WritableRaster; +import java.awt.Point; +import java.awt.color.ColorSpace; import java.awt.image.BufferedImage; import java.awt.image.ColorModel; +import java.awt.image.DataBuffer; import java.awt.image.DirectColorModel; +import java.awt.image.SampleModel; import java.awt.image.SinglePixelPackedSampleModel; +import java.awt.image.WritableRaster; import java.nio.ByteOrder; import java.util.Hashtable; @@ -69,11 +72,15 @@ public class CairoSurface extends WritableRaster */ long bufferPointer; - static ColorModel nativeModel = new DirectColorModel(32, - 0x00FF0000, - 0x0000FF00, - 0x000000FF, - 0xFF000000); + // nativeGetPixels will return [0]=red, [1]=green, [2]=blue, [3]=alpha + static ColorModel nativeColorModel = new DirectColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), + 32, + 0x000000FF, + 0x0000FF00, + 0x00FF0000, + 0xFF000000, + true, + Buffers.smallestAppropriateTransferType(32)); /** * Allocates and clears the buffer and creates the cairo surface. @@ -102,11 +109,13 @@ public class CairoSurface extends WritableRaster * with an affine transform given by i2u. */ public native void nativeDrawSurface(long surfacePointer, long contextPointer, - double[] i2u, double alpha); + double[] i2u, double alpha, + int interpolation); - public void drawSurface(long contextPointer, double[] i2u, double alpha) + public void drawSurface(long contextPointer, double[] i2u, double alpha, + int interpolation) { - nativeDrawSurface(surfacePointer, contextPointer, i2u, alpha); + nativeDrawSurface(surfacePointer, contextPointer, i2u, alpha, interpolation); } /** @@ -138,10 +147,8 @@ public class CairoSurface extends WritableRaster */ public CairoSurface(int width, int height) { - super( new SinglePixelPackedSampleModel - (DataBuffer.TYPE_INT, width, height, - new int[]{ 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000 }), - null, new Point(0, 0) ); + super(createNativeSampleModel(width, height), + null, new Point(0, 0)); if(width <= 0 || height <= 0) throw new IllegalArgumentException("Image must be at least 1x1 pixels."); @@ -253,7 +260,7 @@ public class CairoSurface extends WritableRaster */ public static BufferedImage getBufferedImage(CairoSurface surface) { - return new BufferedImage(nativeModel, surface, true, new Hashtable()); + return new BufferedImage(nativeColorModel, surface, true, new Hashtable()); } private class CairoDataBuffer extends DataBuffer @@ -315,4 +322,14 @@ public class CairoSurface extends WritableRaster { copyAreaNative2(bufferPointer, x, y, width, height, dx, dy, stride); } + + /** + * Creates a SampleModel that matches Cairo's native format + */ + protected static SampleModel createNativeSampleModel(int w, int h) + { + return new SinglePixelPackedSampleModel(DataBuffer.TYPE_INT, w, h, + new int[]{0x000000FF, 0x0000FF00, + 0x00FF0000, 0xFF000000}); + } } diff --git a/gnu/java/awt/peer/gtk/FreetypeGlyphVector.java b/gnu/java/awt/peer/gtk/FreetypeGlyphVector.java index 2c9d91793..44c1ad926 100644 --- a/gnu/java/awt/peer/gtk/FreetypeGlyphVector.java +++ b/gnu/java/awt/peer/gtk/FreetypeGlyphVector.java @@ -39,14 +39,15 @@ package gnu.java.awt.peer.gtk; import java.awt.Font; import java.awt.Shape; -import java.awt.geom.AffineTransform; -import java.awt.geom.Point2D; -import java.awt.geom.Rectangle2D; -import java.awt.geom.GeneralPath; +import java.awt.font.FontRenderContext; import java.awt.font.GlyphJustificationInfo; import java.awt.font.GlyphMetrics; import java.awt.font.GlyphVector; -import java.awt.font.FontRenderContext; +import java.awt.geom.AffineTransform; +import java.awt.geom.GeneralPath; +import java.awt.geom.Point2D; +import java.awt.geom.Rectangle2D; +import java.util.Arrays; public class FreetypeGlyphVector extends GlyphVector { @@ -155,14 +156,15 @@ public class FreetypeGlyphVector extends GlyphVector } glyphCodes = new int[ nGlyphs ]; - glyphPositions = new float[ nGlyphs ]; + glyphPositions = new float[(nGlyphs + 1) * 2]; glyphTransforms = new AffineTransform[ nGlyphs ]; for(int i = 0; i < nGlyphs; i++ ) { - glyphTransforms[ i ] = new AffineTransform( gv.glyphTransforms[ i ] ); - glyphCodes[i] = gv.glyphCodes[ i ]; - glyphPositions[i] = gv.glyphPositions[ i ]; + glyphTransforms[ i ] = new AffineTransform( gv.glyphTransforms[ i ] ); + glyphCodes[i] = gv.glyphCodes[ i ]; } + System.arraycopy(gv.glyphPositions, 0, glyphPositions, 0, + glyphPositions.length); } /** @@ -242,22 +244,31 @@ public class FreetypeGlyphVector extends GlyphVector public void performDefaultLayout() { logicalBounds = null; // invalidate caches. - glyphPositions = null; - - glyphTransforms = new AffineTransform[ nGlyphs ]; - double x = 0; + glyphTransforms = new AffineTransform[nGlyphs]; + Arrays.fill(glyphTransforms, null); + glyphPositions = new float[(nGlyphs + 1) * 2]; + GlyphMetrics gm = null; + float x = 0; + float y = 0; for(int i = 0; i < nGlyphs; i++) { - GlyphMetrics gm = getGlyphMetrics( i ); - glyphTransforms[ i ] = AffineTransform.getTranslateInstance(x, 0); - x += gm.getAdvanceX(); - if( i > 0 ) - { - Point2D p = getKerning( glyphCodes[ i - 1 ], glyphCodes[ i ] ); - x += p.getX(); - } + gm = getGlyphMetrics( i ); + glyphPositions[i*2] = x; + glyphPositions[i*2 + 1] = y; + + x += gm.getAdvanceX(); + y += gm.getAdvanceY(); + + if (i != nGlyphs-1) + { + Point2D p = getKerning(glyphCodes[i], glyphCodes[i + 1]); + x += p.getX(); + y += p.getY(); + } } + glyphPositions[nGlyphs * 2] = x; + glyphPositions[nGlyphs * 2 + 1] = y; } /** @@ -286,9 +297,6 @@ public class FreetypeGlyphVector extends GlyphVector return rval; } - /** - * FIXME: Implement me. - */ public Shape getGlyphLogicalBounds(int glyphIndex) { GlyphMetrics gm = getGlyphMetrics( glyphIndex ); @@ -296,10 +304,17 @@ public class FreetypeGlyphVector extends GlyphVector return null; Rectangle2D r = gm.getBounds2D(); Point2D p = getGlyphPosition( glyphIndex ); - return new Rectangle2D.Double( p.getX() + r.getX() - gm.getLSB(), - p.getY() + r.getY(), - gm.getAdvanceX(), - r.getHeight() ); + + double[] bounds = new double[] {p.getX() + r.getX() - gm.getLSB(), + p.getY() + r.getY(), + p.getX() + r.getX() - gm.getLSB() + gm.getAdvanceX(), + p.getY() + r.getY() + r.getHeight()}; + + if (glyphTransforms[glyphIndex] != null) + glyphTransforms[glyphIndex].transform(bounds, 0, bounds, 0, 4); + + return new Rectangle2D.Double(bounds[0], bounds[1], bounds[2] - bounds[0], + bounds[3] - bounds[1]); } /* @@ -352,7 +367,9 @@ public class FreetypeGlyphVector extends GlyphVector public Shape getGlyphOutline(int glyphIndex) { GeneralPath gp = getGlyphOutlineNative( glyphCodes[ glyphIndex ] ); - gp.transform( glyphTransforms[ glyphIndex ] ); + if (glyphTransforms[glyphIndex] != null) + gp.transform( glyphTransforms[glyphIndex]); + return gp; } @@ -361,8 +378,8 @@ public class FreetypeGlyphVector extends GlyphVector */ public Point2D getGlyphPosition(int glyphIndex) { - return glyphTransforms[ glyphIndex ].transform( new Point2D.Double(0, 0), - null ); + return new Point2D.Float(glyphPositions[glyphIndex*2], + glyphPositions[glyphIndex*2 + 1]); } /** @@ -371,25 +388,12 @@ public class FreetypeGlyphVector extends GlyphVector public float[] getGlyphPositions(int beginGlyphIndex, int numEntries, float[] positionReturn) { - if( glyphPositions != null ) - return glyphPositions; - - float[] rval; - - if( positionReturn == null ) - rval = new float[2 * numEntries]; - else - rval = positionReturn; - - for( int i = beginGlyphIndex; i < numEntries; i++ ) - { - Point2D p = getGlyphPosition( i ); - rval[i * 2] = (float)p.getX(); - rval[i * 2 + 1] = (float)p.getY(); - } - - glyphPositions = rval; - return rval; + if (positionReturn == null) + positionReturn = new float[numEntries*2]; + + System.arraycopy(glyphPositions, beginGlyphIndex*2, positionReturn, 0, + numEntries*2); + return positionReturn; } /** @@ -397,7 +401,7 @@ public class FreetypeGlyphVector extends GlyphVector */ public AffineTransform getGlyphTransform(int glyphIndex) { - return new AffineTransform( glyphTransforms[ glyphIndex ] ); + return glyphTransforms[glyphIndex]; } /** @@ -485,11 +489,9 @@ public class FreetypeGlyphVector extends GlyphVector */ public void setGlyphPosition(int glyphIndex, Point2D newPos) { - // FIXME: Scaling, etc.? - glyphTransforms[ glyphIndex ].setToTranslation( newPos.getX(), - newPos.getY() ); + glyphPositions[glyphIndex*2] = (float)(newPos.getX()); + glyphPositions[glyphIndex*2 + 1] = (float)(newPos.getY()); logicalBounds = null; - glyphPositions = null; } /** @@ -497,8 +499,7 @@ public class FreetypeGlyphVector extends GlyphVector */ public void setGlyphTransform(int glyphIndex, AffineTransform newTX) { - glyphTransforms[ glyphIndex ].setTransform( newTX ); logicalBounds = null; - glyphPositions = null; + glyphTransforms[glyphIndex] = newTX; } } diff --git a/gnu/java/awt/peer/gtk/VolatileImageGraphics.java b/gnu/java/awt/peer/gtk/VolatileImageGraphics.java index 584965593..560d31750 100644 --- a/gnu/java/awt/peer/gtk/VolatileImageGraphics.java +++ b/gnu/java/awt/peer/gtk/VolatileImageGraphics.java @@ -38,15 +38,31 @@ exception statement from your version. */ package gnu.java.awt.peer.gtk; +import java.awt.AlphaComposite; +import java.awt.Color; import java.awt.Graphics; +import java.awt.Graphics2D; import java.awt.GraphicsConfiguration; import java.awt.Image; +import java.awt.Point; +import java.awt.Shape; +import java.awt.Toolkit; +import java.awt.font.GlyphVector; +import java.awt.geom.AffineTransform; +import java.awt.geom.Point2D; import java.awt.geom.Rectangle2D; +import java.awt.image.BufferedImage; +import java.awt.image.ColorModel; import java.awt.image.ImageObserver; +import java.awt.image.ImageProducer; +import java.awt.image.Raster; +import java.awt.image.WritableRaster; +import java.util.Hashtable; public class VolatileImageGraphics extends ComponentGraphics { private GtkVolatileImage owner; + private BufferedImage buffer; public VolatileImageGraphics(GtkVolatileImage img) { @@ -77,10 +93,118 @@ public class VolatileImageGraphics extends ComponentGraphics return new VolatileImageGraphics( this ); } + public void draw(Shape s) + { + if (comp == null || comp instanceof AlphaComposite) + super.draw(s); + + // Custom composite + else + { + // Draw operation to temporary buffer + createBuffer(); + + Graphics2D g2d = (Graphics2D)buffer.getGraphics(); + g2d.setColor(this.getColor()); + g2d.setStroke(this.getStroke()); + g2d.draw(s); + + drawComposite(s.getBounds2D(), null); + } + } + + public void fill(Shape s) + { + if (comp == null || comp instanceof AlphaComposite) + super.fill(s); + + // Custom composite + else + { + // Draw operation to temporary buffer + createBuffer(); + + Graphics2D g2d = (Graphics2D)buffer.getGraphics(); + g2d.setPaint(this.getPaint()); + g2d.setColor(this.getColor()); + g2d.fill(s); + + drawComposite(s.getBounds2D(), null); + } + } + + public void drawGlyphVector(GlyphVector gv, float x, float y) + { + if (comp == null || comp instanceof AlphaComposite) + super.drawGlyphVector(gv, x, y); + + // Custom composite + else + { + // Draw operation to temporary buffer + createBuffer(); + + Graphics2D g2d = (Graphics2D)buffer.getGraphics(); + + g2d.setPaint(this.getPaint()); + g2d.setColor(this.getColor()); + g2d.drawGlyphVector(gv, x, y); + + Rectangle2D bounds = gv.getLogicalBounds(); + bounds = new Rectangle2D.Double(x + bounds.getX(), y + bounds.getY(), + bounds.getWidth(), bounds.getHeight()); + drawComposite(bounds, null); + } + } + + protected boolean drawImage(Image img, AffineTransform xform, + Color bgcolor, ImageObserver obs) + { + if (comp == null || comp instanceof AlphaComposite) + return super.drawImage(img, xform, bgcolor, obs); + + // Custom composite + else + { + // Get buffered image of source + if( !(img instanceof BufferedImage) ) + { + ImageProducer source = img.getSource(); + if (source == null) + return false; + img = Toolkit.getDefaultToolkit().createImage(source); + } + BufferedImage bImg = (BufferedImage) img; + + // Find dimensions of translation + Point2D origin = new Point2D.Double(bImg.getMinX(), bImg.getMinY()); + Point2D pt = new Point2D.Double(bImg.getWidth(), bImg.getHeight()); + if (xform != null) + { + origin = xform.transform(origin, origin); + pt = xform.transform(pt, pt); + } + + // Create buffer and draw image + createBuffer(); + + Graphics2D g2d = (Graphics2D)buffer.getGraphics(); + g2d.setRenderingHints(this.getRenderingHints()); + g2d.drawImage(img, xform, obs); + // Perform compositing from buffer to screen + return drawComposite(new Rectangle2D.Double((int)origin.getX(), + (int)origin.getY(), + (int)pt.getX(), + (int)pt.getY()), + obs); + } + } + public boolean drawImage(Image img, int x, int y, ImageObserver observer) { - if( img instanceof GtkVolatileImage ) + if (img instanceof GtkVolatileImage + && (comp == null || comp instanceof AlphaComposite)) { owner.drawVolatile( ((GtkVolatileImage)img).nativePointer, x, y, @@ -94,7 +218,8 @@ public class VolatileImageGraphics extends ComponentGraphics public boolean drawImage(Image img, int x, int y, int width, int height, ImageObserver observer) { - if( img instanceof GtkVolatileImage ) + if ((img instanceof GtkVolatileImage) + && (comp == null || comp instanceof AlphaComposite)) { owner.drawVolatile( ((GtkVolatileImage)img).nativePointer, x, y, width, height ); @@ -107,5 +232,76 @@ public class VolatileImageGraphics extends ComponentGraphics { return new Rectangle2D.Double(0, 0, owner.width, owner.height); } + + private boolean drawComposite(Rectangle2D bounds, ImageObserver observer) + { + // Clip source to visible areas that need updating + Rectangle2D clip = this.getClipBounds(); + Rectangle2D.intersect(bounds, clip, bounds); + + BufferedImage buffer2 = buffer; + if (!bounds.equals(buffer2.getRaster().getBounds())) + buffer2 = buffer2.getSubimage((int)bounds.getX(), (int)bounds.getY(), + (int)bounds.getWidth(), + (int)bounds.getHeight()); + + // Get current on-screen pixels (destination) and clip to bounds + BufferedImage current = owner.getSnapshot(); + + double[] points = new double[] {bounds.getX(), bounds.getY(), + bounds.getMaxX(), bounds.getMaxY()}; + transform.transform(points, 0, points, 0, 2); + + Rectangle2D deviceBounds = new Rectangle2D.Double(points[0], points[1], + points[2] - points[0], + points[3] - points[1]); + Rectangle2D.intersect(deviceBounds, this.getClipInDevSpace(), deviceBounds); + + current = current.getSubimage((int)deviceBounds.getX(), + (int)deviceBounds.getY(), + (int)deviceBounds.getWidth(), + (int)deviceBounds.getHeight()); + + // Perform actual composite operation + compCtx.compose(buffer2.getRaster(), current.getRaster(), + buffer2.getRaster()); + + // This MUST call directly into the "action" method in CairoGraphics2D, + // not one of the wrappers, to ensure that the composite isn't processed + // more than once! + boolean rv = super.drawImage(buffer2, + AffineTransform.getTranslateInstance(bounds.getX(), + bounds.getY()), + null, null); + + return rv; + } + + private void createBuffer() + { + if (buffer == null) + { + WritableRaster rst; + rst = Raster.createWritableRaster(CairoSurface. + createNativeSampleModel(owner.width, + owner.height), + new Point(0,0)); + + buffer = new BufferedImage(CairoSurface.nativeColorModel, rst, true, + new Hashtable()); + } + else + { + Graphics2D g2d = ((Graphics2D)buffer.getGraphics()); + + g2d.setBackground(new Color(0,0,0,0)); + g2d.clearRect(0, 0, buffer.getWidth(), buffer.getHeight()); + } + } + + protected ColorModel getNativeCM() + { + return CairoSurface.nativeColorModel; + } } |