+++ /dev/null
-/* Copyright (C) 2000 Free Software Foundation
-
- This file is part of libgcj.
-
-This software is copyrighted work licensed under the terms of the
-Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
-details. */
-
-package gnu.awt.xlib;
-
-import java.awt.*;
-import java.awt.image.WritableRaster;
-import java.awt.image.Raster;
-import java.awt.image.DataBuffer;
-import java.awt.image.ColorModel;
-import java.awt.image.ImageObserver;
-import java.awt.image.BufferedImage;
-import gnu.gcj.xlib.GC;
-import gnu.gcj.xlib.XImage;
-import gnu.gcj.xlib.Drawable;
-import gnu.gcj.xlib.Window;
-import gnu.gcj.xlib.Drawable;
-import gnu.gcj.xlib.Visual;
-import gnu.awt.j2d.DirectRasterGraphics;
-import gnu.awt.j2d.MappedRaster;
-
-public class XGraphics implements Cloneable, DirectRasterGraphics
-{
- static class XRaster extends MappedRaster
- {
- XImage ximage;
-
- public XRaster(WritableRaster raster, XImage ximage, ColorModel cm)
- {
- super(raster, cm);
- this.ximage = ximage;
- }
- }
-
- GC context;
- XGraphicsConfiguration config;
- Rectangle clipBounds;
-
- XFontMetrics metrics;
-
-
- public Object clone()
- {
- XGraphics gfxCopy = (XGraphics) super.clone();
- gfxCopy.context = context.create();
-
- return gfxCopy;
- }
-
- public void dispose()
- {
- GC lContext = context;
- context = null;
- config = null;
- clipBounds = null;
-
- if (lContext != null)
- {
- lContext.dispose();
- }
- }
-
- public XGraphics(Drawable drawable, XGraphicsConfiguration config)
- {
- context = new GC(drawable);
- this.config = config;
- }
-
- public void setColor(Color color)
- {
- context.setForeground(config.getPixel(color));
- }
-
- public void setPaintMode()
- {
- throw new UnsupportedOperationException("not implemented");
- }
-
- public void setXORMode(Color c1)
- {
- throw new UnsupportedOperationException("not implemented");
- }
-
- public void setFont(Font font)
- {
- if ((metrics != null) && font.equals(metrics.getFont())) return;
-
- metrics = config.getXFontMetrics(font);
- context.setFont(metrics.xfont);
- }
-
- public FontMetrics getFontMetrics(Font font)
- {
- if ((metrics != null) && font.equals(metrics.getFont()))
- return metrics;
-
- return config.getXFontMetrics(font);
- }
-
- public void setClip(int x, int y, int width, int height)
- {
- Rectangle[] rects = { new Rectangle(x, y, width, height) };
- context.setClipRectangles(rects);
- }
-
- public void setClip(Shape clip)
- {
- /* TODO: create a special RectangleUnion shape that can be
- used to draw advantage of the GCs ability to set multiple
- rectangles.
- */
-
- /* FIXME: creating all these objects is wasteful and can be
- costly in the long run, since this code is run at every
- expose. */
- Rectangle newClipBounds = clip.getBounds();
-
- if ((clipBounds != null) && !clipBounds.contains(newClipBounds))
- {
- System.err.println("warning: old clip ("+ clipBounds +") does " +
- "not fully contain new clip (" +
- newClipBounds + ")");
- }
- clipBounds = newClipBounds;
- Rectangle[] rects = { clipBounds };
- context.setClipRectangles(rects);
- }
-
- public void copyArea(int x, int y, int width, int height, int
- dx, int dy)
- {
- throw new UnsupportedOperationException("not implemented");
- }
-
- public void drawLine(int x1, int y1, int x2, int y2)
- {
- context.drawLine(x1, y1, x2, y2);
- }
-
- public void drawRect(int x, int y, int width, int height)
- {
- throw new UnsupportedOperationException("not implemented yet");
- }
-
- public void fillRect(int x, int y, int width, int height)
- {
- context.fillRectangle(x, y, width, height);
- }
-
- public void drawArc(int x, int y, int width, int height, int
- startAngle, int arcAngle)
- {
- throw new UnsupportedOperationException("not implemented");
- }
-
- public void fillArc(int x, int y, int width, int height, int
- startAngle, int arcAngle)
- {
- throw new UnsupportedOperationException("not implemented");
- }
-
- public void drawPolyline(int[] xPoints, int[] yPoints, int
- nPoints)
- {
- throw new UnsupportedOperationException("not implemented");
- }
-
- public void drawPolygon(int[] xPoints, int[] yPoints, int
- nPoints)
- {
- throw new UnsupportedOperationException("not implemented");
- }
-
- public void fillPolygon(int[] xPoints, int[] yPoints, int
- nPoints)
- {
- throw new UnsupportedOperationException("not implemented");
- }
-
- public void drawString(String str, int x, int y)
- {
- context.drawString(str, x, y);
- }
-
- public boolean drawImage(Image img, int x, int y,
- ImageObserver observer)
- {
- if (clipBounds == null)
- return false; // ***FIXME***
-
- if (!(img instanceof BufferedImage))
- {
- throw new AWTError("unknown image class");
- }
-
- BufferedImage bimg = (BufferedImage) img;
-
- XImage ximg = (XImage) bimg.getProperty("gnu.gcj.xlib.XImage");
- if (ximg == null)
- {
- System.err.println("FIXME: skipping null XImage, should " +
- "really do on the spot conversion");
- return false;
- }
-
- /*
- +------------------
- | clip
- | +---------+
- | img | |
- | +--+-------+ |
- | | | | |
- | | | | |
- | | +-------+-+
- | | |
- | +----------+
- */
-
- int iLeft = Math.max(x, clipBounds.x);
- int iTop = Math.max(y, clipBounds.y);
- int iRight = Math.min(x + bimg.getWidth(),
- clipBounds.x + clipBounds.width);
- int iBottom = Math.min(y + bimg.getHeight(),
- clipBounds.y + clipBounds.height);
-
- int srcX = iLeft - x;
- int srcY = iTop - y;
-
- int width = iRight - iLeft;
- int height = iBottom - iTop;
-
- if ((width > 0) && (height > 0))
- context.putImage(ximg, srcX, srcY, iLeft, iTop, width, height);
-
- return true;
- }
-
- public MappedRaster mapRaster(Rectangle bounds)
- {
- Visual visual = config.getVisual();
- XImage ximage = new XImage(visual, bounds.width, bounds.height,
- false // do not auto allocate memory
- );
-
- WritableRaster raster =
- config.createRasterForXImage(ximage,
- new Point(bounds.x, bounds.y));
-
- DataBuffer dataB = raster.getDataBuffer();
- XGraphicsConfiguration.attachData(ximage, dataB, 0);
-
- Drawable drawable = context.getDrawable();
-
- // TODO: restrict to clipping
-
- Rectangle mBounds = drawable.copyIntoXImage(ximage, bounds, 0, 0);
-
- return new XRaster(raster, ximage, config.imageCM);
- }
-
-
- public void unmapRaster(MappedRaster mappedRaster)
- {
- XRaster xraster = (XRaster) mappedRaster;
- XImage ximage = xraster.ximage;
- Raster raster = xraster.getRaster();
- int x = raster.getMinX();
- int y = raster.getMinY();
- int width = raster.getWidth();
- int height = raster.getHeight();
-
- context.putImage(ximage, 0, 0, x, y, width, height);
- }
-}
projects / msp430-gcc.git / blobdiff