+++ /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.GraphicsConfiguration;
-import java.awt.Rectangle;
-import java.awt.Graphics2D;
-import java.awt.Graphics;
-import java.awt.Point;
-import java.awt.Color;
-import java.awt.color.ColorSpace;
-import java.awt.image.*;
-import java.awt.geom.AffineTransform;
-import gnu.gcj.xlib.GC;
-import gnu.gcj.xlib.Drawable;
-import gnu.gcj.xlib.Window;
-import gnu.gcj.xlib.XImage;
-import gnu.gcj.xlib.Visual;
-import gnu.gcj.xlib.Colormap;
-import gnu.gcj.xlib.XColor;
-import gnu.gcj.xlib.Screen;
-import gnu.gcj.xlib.Display;
-import gnu.java.awt.Buffers;
-import java.util.Hashtable;
-
-public class XGraphicsConfiguration extends GraphicsConfiguration
-{
- //public abstract GraphicsDevice getDevice();
-
- Visual visual;
- int format;
- Colormap colormap;
- ColorModel imageCM;
- ColorModel pixelCM;
-
- public XGraphicsConfiguration(Visual visual)
- {
- this.visual = visual;
- }
-
- public BufferedImage createCompatibleImage(int width, int height)
- {
- XImage ximg = new XImage(visual, width, height,
- false // do not auto allocate memory
- );
-
- Point origin = new Point(0, 0);
- WritableRaster raster = createRasterForXImage(ximg, origin);
-
- /* This is not a good way of doing this. Multiple toolkits may
- want to share the BufferedImage. */
- Hashtable props = new Hashtable();
- props.put("gnu.gcj.xlib.XImage", ximg);
- props.put("java.awt.GraphicsConfiguration", this);
-
- BufferedImage bimg = new BufferedImage(imageCM,raster, false, props);
-
- DataBuffer dataB = raster.getDataBuffer();
- attachData(ximg, dataB, 0);
- return bimg;
- }
-
- WritableRaster createRasterForXImage(XImage ximage, Point origin)
- {
- if (imageCM == null) prepareColorModel(ximage);
-
- /*
- This will not work, since it creates a sample model that
- does not necessarily match the format of the XImage.
-
- WritableRaster raster =
- imageCM.createCompatibleWritableRaster(width, height); */
-
- // Create a sample model matching the XImage:
-
- SampleModel imageSM = null;
-
- int width = ximage.getWidth();
- int height = ximage.getHeight();
- int bitsPerPixel = ximage.getBitsPerPixel();
- int dataType =
- Buffers.smallestAppropriateTransferType(bitsPerPixel);
- int bitsPerDataElement = DataBuffer.getDataTypeSize(dataType);
- int scanlineStride = ximage.getBytesPerLine()*8/bitsPerDataElement;
-
- if (imageCM instanceof IndexColorModel)
- {
- int[] bandOffsets = {0};
- imageSM = new ComponentSampleModel(dataType,
- width, height,
- 1, // pixel stride
- scanlineStride,
- bandOffsets);
- }
- else if (imageCM instanceof PackedColorModel)
- {
- PackedColorModel pcm = (PackedColorModel) imageCM;
- int[] masks = pcm.getMasks();
-
- imageSM = new SinglePixelPackedSampleModel(dataType,
- width, height,
- scanlineStride,
- masks);
- }
-
- if (imageSM == null)
- {
- throw new UnsupportedOperationException("creating sample model " +
- "for " + imageCM +
- " not implemented");
- }
-
- WritableRaster raster = Raster.createWritableRaster(imageSM, origin);
- return raster;
- }
-
-
-
- /**
- * Attach a the memory of a data buffer to an XImage
- * structure. [This method is not gnu.awt.xlib specific, and should
- * maybe be moved to a different location.]
- *
- * @param offset Offset to data. The given offset does not include
- * data buffer offset, which will also be added. */
- static void attachData(XImage ximage, DataBuffer dataB, int offset)
- {
- offset += dataB.getOffset();
- switch (dataB.getDataType())
- {
- case DataBuffer.TYPE_BYTE:
- ximage.setData(((DataBufferByte) dataB).getData(), offset);
- break;
- case DataBuffer.TYPE_USHORT:
- ximage.setData(((DataBufferUShort) dataB).getData(), offset);
- break;
- case DataBuffer.TYPE_INT:
- ximage.setData(((DataBufferInt) dataB).getData(), offset);
- break;
- default:
- throw
- new UnsupportedOperationException("Do not know how to " +
- "set data for data " +
- "type " +
- dataB.getDataType());
- }
- }
-
- void prepareColorModel(XImage ximage)
- {
- format = ximage.getFormat();
- int bitsPerPixel = ximage.getBitsPerPixel();
- switch (format) {
- case XImage.ZPIXMAP_FORMAT:
- calcZPixmapModels(bitsPerPixel);
- break;
-
- default:
- throw new UnsupportedOperationException("unimplemented format");
- }
- }
-
- void calcZPixmapModels(int bitsPerPixel)
- {
- switch (visual.getVisualClass())
- {
- case Visual.VC_TRUE_COLOR:
- calcDecomposedRGBModels(bitsPerPixel);
- break;
- case Visual.VC_PSEUDO_COLOR:
- calcPseudoColorModels(bitsPerPixel);
- break;
- default:
- String msg = "unimplemented visual class";
- throw new UnsupportedOperationException(msg);
- }
- }
-
- void calcDecomposedRGBModels(int bitsPerPixel)
- {
- int dataType = Buffers.smallestAppropriateTransferType(bitsPerPixel);
-
-
- if (DataBuffer.getDataTypeSize(dataType) == bitsPerPixel)
- {
- ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
-
- imageCM = new DirectColorModel(cs,
- visual.getDepth(),
- visual.getRedMask(),
- visual.getGreenMask(),
- visual.getBlueMask(),
- 0, // no alpha
- false,
- dataType);
- }
- else
- {
- throw new
- UnsupportedOperationException("unimplemented bits per pixel");
- }
- }
-
- void calcPseudoColorModels(int bitsPerPixel)
- {
- if (colormap == null)
- colormap = visual.getScreen().getDefaultColormap();
-
- XColor[] colArray = colormap.getXColors();
-
- int numCol = colArray.length;
- byte[] rmap = new byte[numCol];
- byte[] gmap = new byte[numCol];
- byte[] bmap = new byte[numCol];
- byte[] amap = new byte[numCol];
-
- for (int i=0; i < numCol; i++)
- {
- XColor color = colArray[i];
- if (color.getFlags() == Colormap.FLAG_SHARED)
- {
- rmap[i] = (byte) (color.getRed() >> 8);
- gmap[i] = (byte) (color.getGreen() >> 8);
- bmap[i] = (byte) (color.getBlue() >> 8);
- amap[i] = (byte) 0xff;
- } // else, leave default zero values...
- }
-
- imageCM = new IndexColorModel(visual.getDepth(), numCol,
- rmap, gmap, bmap, amap);
- }
-
- public BufferedImage createCompatibleImage(int width,
- int height,
- int transparency)
- {
- throw new UnsupportedOperationException("not implemented");
- }
-
- /**
- * FIXME: I'm not sure which color model that should be returned here.
- */
- public ColorModel getColorModel()
- {
- if (pixelCM == null)
- preparePixelCM();
- return pixelCM;
- }
-
- void preparePixelCM()
- {
- switch (visual.getVisualClass())
- {
- case Visual.VC_TRUE_COLOR:
- pixelCM = new DirectColorModel(visual.getDepth(),
- visual.getRedMask(),
- visual.getGreenMask(),
- visual.getBlueMask());
- break;
- case Visual.VC_PSEUDO_COLOR:
-
- if (colormap == null)
- colormap = visual.getScreen().getDefaultColormap();
-
- XColor[] colArray = colormap.getXColors();
-
- int numCol = colArray.length;
- byte[] rmap = new byte[numCol];
- byte[] gmap = new byte[numCol];
- byte[] bmap = new byte[numCol];
- byte[] amap = new byte[numCol];
-
- for (int i=0; i < numCol; i++)
- {
- XColor color = colArray[i];
- if (color.getFlags() == Colormap.FLAG_SHARED) {
- rmap[i] = (byte) (color.getRed() >> 8);
- gmap[i] = (byte) (color.getGreen() >> 8);
- bmap[i] = (byte) (color.getBlue() >> 8);
- amap[i] = (byte) 0xff;
- } // else, leave default zero values...
-
- }
-
- pixelCM = new IndexColorModel(visual.getDepth(), numCol,
- rmap, gmap, bmap, amap);
- break;
- default:
- throw new UnsupportedOperationException("not implemented");
- }
- }
-
- public ColorModel getColorModel(int transparency)
- {
- throw new UnsupportedOperationException("not implemented");
- }
-
- public AffineTransform getDefaultTransform()
- {
- throw new UnsupportedOperationException("not implemented");
- }
-
- public AffineTransform getNormalizingTransform()
- {
- throw new UnsupportedOperationException("not implemented");
- }
-
- public Rectangle getBounds()
- {
- throw new UnsupportedOperationException("not implemented");
- }
-
- Visual getVisual()
- {
- return visual;
- }
-
- /* FIXME: This should be moved to XGraphicsDevice... */
- XFontMetrics getXFontMetrics(java.awt.Font awtFont)
- {
- // FIXME: do caching...
-
- String family = "*";
- String name = awtFont.getName();
- String weight = awtFont.isBold() ? "bold" : "medium";
- String slant = awtFont.isItalic() ? "i" : "r";
- String addStyle = "*";
- String pixelSize = "*";
- String pointSize = awtFont.getSize() + "0";
- String xres = "*";
- String yres = "*";
- String spacing = "*";
- String averageWidth = "*";
- String charset = "*";
-
- String logicalFontDescription =
- family + "-" + name + "-" + weight + "-" +
- slant + "-" + addStyle + "-" + pixelSize + "-" +
- pointSize + "-" + xres + "-" + yres + "-" +
- spacing + "-" + averageWidth + "-" + charset;
-
- Display display = visual.getScreen().getDisplay();
- gnu.gcj.xlib.Font xfont =
- new gnu.gcj.xlib.Font(display, logicalFontDescription);
- return new XFontMetrics(xfont, awtFont);
- }
-
- int getPixel(Color color)
- {
- int[] components =
- {
- color.getRed(),
- color.getGreen(),
- color.getBlue(),
- 0xff
- };
-
- ColorModel cm = getColorModel();
- return cm.getDataElement(components, 0);
- }
-}
projects / msp430-gcc.git / blobdiff