Package sun.awt.windows

Source Code of sun.awt.windows.Win32SurfaceData

/*
* This file is modified by Ivan Maidanski <ivmai@ivmaisoft.com>
* Project name: JCGO-SUNAWT (http://www.ivmaisoft.com/jcgo/)
*/

/*
* @(#)Win32SurfaceData.java    1.44 03/01/23
*
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/

package sun.awt.windows;

import java.awt.Color;
import java.awt.Rectangle;
import java.awt.GraphicsConfiguration;
import java.awt.color.ColorSpace;
import java.awt.image.ColorModel;
import java.awt.image.ComponentColorModel;
import java.awt.image.DirectColorModel;
import java.awt.image.IndexColorModel;
import java.awt.image.Raster;

import sun.awt.SunHints;
import sun.java2d.SunGraphics2D;
import sun.java2d.SurfaceData;
import sun.java2d.pipe.Region;
import sun.java2d.pipe.PixelToShapeConverter;
import sun.java2d.loops.GraphicsPrimitive;
import sun.java2d.loops.SurfaceType;
import sun.java2d.loops.CompositeType;
import sun.java2d.loops.RenderLoops;
import sun.java2d.loops.XORComposite;
import sun.awt.Win32ColorModel24;
import sun.awt.Win32GraphicsConfig;
import sun.awt.Win32GraphicsDevice;
import sun.awt.image.PixelConverter;

public class Win32SurfaceData extends SurfaceData {
    WComponentPeer peer;
    private Win32GraphicsConfig graphicsConfig;
    private RenderLoops solidloops;

    // GDI onscreen surface type
    public static final String
        DESC_GDI                = "GDI";

    // DDraw offscreen surface type names
    public static final String
        DESC_INT_RGB_DD         = "Integer RGB DirectDraw";

    public static final String
        DESC_INT_RGBx_DD        = "Integer RGBx DirectDraw";

    public static final String
        DESC_USHORT_565_RGB_DD  = "Short 565 RGB DirectDraw";

    public static final String
        DESC_USHORT_555_RGBx_DD = "Short 555 RGBx DirectDraw";

    public static final String
        DESC_USHORT_555_RGB_DD  = "Short 555 RGB DirectDraw";

    public static final String
        DESC_BYTE_INDEXED_OPAQUE_DD
                                = "8-bit Indexed (Opaque) DirectDraw";

    public static final String
        DESC_BYTE_GRAY_DD       = "Byte Gray DirectDraw";

    public static final String
        DESC_INDEX8_GRAY_DD     = "Index8 Gray DirectDraw";

    public static final String
        DESC_3BYTE_BGR_DD       = "3 Byte BGR DirectDraw";

    // Surface types with 1-bit transparency
    public static final String
        DESC_INT_RGB_DD_BM      = "Integer RGB DirectDraw with 1 bit transp";

    public static final String
        DESC_INT_RGBx_DD_BM     = "Integer RGBx DirectDraw with 1 bit transp";

    public static final String
        DESC_USHORT_565_RGB_DD_BM
                                = "Short 565 RGB DirectDraw with 1 bit transp";

    public static final String
        DESC_USHORT_555_RGBx_DD_BM
                                = "Short 555 RGBx DirectDraw with 1 bit transp";

    public static final String
        DESC_USHORT_555_RGB_DD_BM
                                = "Short 555 RGB DirectDraw with 1 bit transp";

    public static final String
        DESC_3BYTE_BGR_DD_BM    = "3 Byte BGR DirectDraw with 1 bit transp";

    public static final String
        DESC_BYTE_INDEXED_DD_BM = "8-bit Indexed DirectDraw with 1 bit transp";

    public static final String
        DESC_BYTE_GRAY_DD_BM    = "Byte Gray DirectDraw with 1 bit transp";

    public static final String
        DESC_INDEX8_GRAY_DD_BM  = "Index8 Gray DirectDraw with 1 bit transp";

    // surface type for translucent offscreen image (texture)
    public static final String
        DESC_INT_ARGB_D3D       = "Integer ARGB D3D with translucency";
    public static final String
        DESC_USHORT_4444_ARGB_D3D = "UShort 4444 ARGB D3D with translucency";

    // Gdi (screen) surface types

    // Generic GDI surface type - used for registering all loops
    public static final SurfaceType AnyGdi =
        SurfaceType.IntRgb.deriveSubType(DESC_GDI);

    public static final SurfaceType IntRgbGdi =
        SurfaceType.IntRgb.deriveSubType(DESC_GDI);

    public static final SurfaceType Ushort565RgbGdi =
        SurfaceType.Ushort565Rgb.deriveSubType(DESC_GDI);

    public static final SurfaceType Ushort555RgbGdi =
        SurfaceType.Ushort555Rgb.deriveSubType(DESC_GDI);

    public static final SurfaceType ThreeByteBgrGdi =
        SurfaceType.ThreeByteBgr.deriveSubType(DESC_GDI);

    // DDraw offscreen surface types
    public static final SurfaceType IntRgbDD =
        SurfaceType.IntRgb.deriveSubType(DESC_INT_RGB_DD);

    public static final SurfaceType IntRgbxDD =
        SurfaceType.IntRgbx.deriveSubType(DESC_INT_RGBx_DD);

    public static final SurfaceType Ushort565RgbDD =
        SurfaceType.Ushort565Rgb.deriveSubType(DESC_USHORT_565_RGB_DD);

    public static final SurfaceType Ushort555RgbxDD =
        SurfaceType.Ushort555Rgbx.deriveSubType(DESC_USHORT_555_RGBx_DD);

    public static final SurfaceType Ushort555RgbDD =
        SurfaceType.Ushort555Rgb.deriveSubType(DESC_USHORT_555_RGB_DD);

    public static final SurfaceType ByteIndexedOpaqueDD =
        SurfaceType.ByteIndexedOpaque.deriveSubType(DESC_BYTE_INDEXED_OPAQUE_DD);

    public static final SurfaceType ByteGrayDD =
        SurfaceType.ByteGray.deriveSubType(DESC_BYTE_GRAY_DD);

    public static final SurfaceType Index8GrayDD =
        SurfaceType.Index8Gray.deriveSubType(DESC_INDEX8_GRAY_DD);

    public static final SurfaceType ThreeByteBgrDD =
        SurfaceType.ThreeByteBgr.deriveSubType(DESC_3BYTE_BGR_DD);

    // DDraw onscreen surface types (derive from Gdi surfaces)
    public static final SurfaceType IntRgbDDscreen =
        IntRgbGdi.deriveSubType(DESC_INT_RGB_DD);

    public static final SurfaceType Ushort565RgbDDscreen =
        Ushort565RgbGdi.deriveSubType(DESC_USHORT_565_RGB_DD);

    public static final SurfaceType Ushort555RgbDDscreen =
        Ushort555RgbGdi.deriveSubType(DESC_USHORT_555_RGB_DD);

    public static final SurfaceType ThreeByteBgrDDscreen =
        ThreeByteBgrGdi.deriveSubType(DESC_3BYTE_BGR_DD);

    // These screen types will not be handled as GDI surfaces
    // (we can do dithering to 8-bit surfaces faster than
    // GDI, so do not use GDI Blits to indexed surfaces.
    // And Rgbx surfaces are documented to not work with
    // GDI, so do not use GDI for that surface type either)
    public static final SurfaceType IntRgbxDDscreen = IntRgbxDD;

    public static final SurfaceType Ushort555RgbxDDscreen = Ushort555RgbxDD;

    public static final SurfaceType ByteIndexedOpaqueDDscreen =
        ByteIndexedOpaqueDD;

    public static final SurfaceType ByteGrayDDscreen = ByteGrayDD;

    public static final SurfaceType Index8GrayDDscreen = Index8GrayDD;

    // Surface types with 1-bit transparency
    public static final SurfaceType IntRgbDD_BM =
        SurfaceType.Custom.deriveSubType(DESC_INT_RGB_DD_BM,
                                         PixelConverter.Xrgb.instance);

    public static final SurfaceType IntRgbxDD_BM =
        SurfaceType.Custom.deriveSubType(DESC_INT_RGBx_DD_BM,
                                         PixelConverter.Rgbx.instance);

    public static final SurfaceType Ushort565RgbDD_BM =
        SurfaceType.Custom.deriveSubType(DESC_USHORT_565_RGB_DD_BM,
                                         PixelConverter.Ushort565Rgb.instance);

    public static final SurfaceType Ushort555RgbxDD_BM =
        SurfaceType.Custom.deriveSubType(DESC_USHORT_555_RGBx_DD_BM,
                                         PixelConverter.Ushort555Rgbx.instance);

    public static final SurfaceType Ushort555RgbDD_BM =
        SurfaceType.Custom.deriveSubType(DESC_USHORT_555_RGB_DD_BM,
                                         PixelConverter.Ushort555Rgb.instance);

    public static final SurfaceType ByteIndexedDD_BM =
        SurfaceType.Custom.deriveSubType(DESC_BYTE_INDEXED_DD_BM);

    public static final SurfaceType ByteGrayDD_BM =
        SurfaceType.Custom.deriveSubType(DESC_BYTE_GRAY_DD_BM);

    public static final SurfaceType Index8GrayDD_BM =
        SurfaceType.Custom.deriveSubType(DESC_INDEX8_GRAY_DD_BM);

    public static final SurfaceType ThreeByteBgrDD_BM =
        SurfaceType.Custom.deriveSubType(DESC_3BYTE_BGR_DD_BM,
                                         PixelConverter.Xrgb.instance);

    public static final SurfaceType IntArgbD3D =
        SurfaceType.IntArgb.deriveSubType(DESC_INT_ARGB_D3D);

    public static final SurfaceType Ushort4444ArgbD3D =
        SurfaceType.Ushort4444Argb.deriveSubType(DESC_USHORT_4444_ARGB_D3D);

    private static native void initDDraw(boolean useDDLockFlag,
                                         boolean useDDLock);
    private static native void initIDs(Class xorComp);

    /**
     * Description of command-line flags:
     *      noddraw: usage: "-Dsun.java2d.noddraw=true"
     *               turns off all usage of ddraw, including surface -> surface
     *               Blts (including onscreen->onscreen copyarea), offscreen
     *               surface creation, and surface locking via DDraw.
     *      gdiblit: usage: "-Dsun.java2d.gdiblit=false"
     *               turns off Blit loops that use GDI for copying to
     *               the screen from certain image types.  Copies will,
     *               instead, happen via ddraw locking or temporary GDI DIB
     *               creation/copying (depending on OS and other flags)
     *      ddlock:  usage: "-Dsun.java2d.ddlock=[true|false]"
     *               forces on|off usage of DirectDraw for locking the
     *               screen.  This feature is usually enabled by default
     *               for pre-Win2k OS's and disabled by default for
     *               Win2k and future OS's (as of jdk1.4.1).
     */
    static {
        initIDs(XORComposite.class);
        String noddraw = (String) java.security.AccessController.doPrivileged(
            new sun.security.action.GetPropertyAction("sun.java2d.noddraw"));
        String gdiBlitProp = (String) java.security.AccessController.doPrivileged(
            new sun.security.action.GetPropertyAction("sun.java2d.gdiblit"));
        String ddLockProp = (String) java.security.AccessController.doPrivileged(
            new sun.security.action.GetPropertyAction("sun.java2d.ddlock"));
        boolean useDDLock = false, useDDLockFlag = false;
        if (ddLockProp != null) {
            if (ddLockProp.equals("false") || ddLockProp.equals("f")) {
                useDDLock = false;
                useDDLockFlag = true;
            } else if (ddLockProp.equals("true") || ddLockProp.equals("t")) {
                useDDLock = true;
                useDDLockFlag = true;
            }
        }
        Win32OffScreenSurfaceData.initD3D();
        if (noddraw == null) {
            String magPresent = (String)java.security.AccessController.doPrivileged(
                new sun.security.action.GetPropertyAction("javax.accessibility.screen_magnifier_present"));
            if (magPresent == null || !magPresent.equals("true")) {
                if ("false".equals(magPresent) || getOsMajorVer() < 6)
                  initDDraw(useDDLockFlag, useDDLock);
            }
        }
        boolean gdiBlitDisable = (gdiBlitProp != null &&
                                 (gdiBlitProp.equals("false") ||
                                  gdiBlitProp.equals("f")));
        if (!gdiBlitDisable) {
            // Register our gdi Blit loops
            Win32GdiBlitLoops.register();
        }
    }

    private static int getOsMajorVer() {
        try {
            String ver = System.getProperty("os.version");
            int pos;
            if (ver != null && (pos = ver.indexOf('.')) > 0)
                return Integer.parseInt(ver.substring(0, pos));
        }
        catch (SecurityException e) {
        }
        catch (NumberFormatException e) {
        }
        return -1;
    }

    public static SurfaceType getSurfaceType(ColorModel cm) {
        // REMIND: If ddraw not available, set sType to non-ddraw surface type
        switch (cm.getPixelSize()) {
        case 32:
        case 24:
            if (cm instanceof DirectColorModel) {
                if (((DirectColorModel)cm).getRedMask() == 0xff0000) {
                    return IntRgbDDscreen;
                } else {
                    return IntRgbxDDscreen;
                }
            } else {
                return ThreeByteBgrDDscreen;
            }
        case 15:
            return Ushort555RgbDDscreen;
        case 16:
            if ((cm instanceof DirectColorModel) &&
                (((DirectColorModel)cm).getBlueMask() == 0x3e))
            {
                return Ushort555RgbxDDscreen;
            } else {
                return Ushort565RgbDDscreen;
            }
        case 8:
            if (cm.getColorSpace().getType() == ColorSpace.TYPE_GRAY &&
                cm instanceof ComponentColorModel) {
                return ByteGrayDDscreen;
            } else if (cm instanceof IndexColorModel &&
                       isOpaqueGray((IndexColorModel)cm)) {
                return Index8GrayDDscreen;
            } else {
                return ByteIndexedOpaqueDDscreen;
            }
        default:
            throw new sun.java2d.InvalidPipeException("Unsupported bit " +
                                                      "depth: " +
                                                      cm.getPixelSize());
        }
    }

    public static Win32SurfaceData createData(WComponentPeer peer,
                                              int numBuffers)
    {
        SurfaceType sType = getSurfaceType(peer.getDeviceColorModel());
        return new Win32SurfaceData(peer, sType, numBuffers);
    }


    public Raster getRaster(int x, int y, int w, int h) {
        throw new InternalError("not implemented yet");
    }

    protected static Win32Renderer gdiPipe;
    protected static PixelToShapeConverter gdiTxPipe;

    static {
        gdiPipe = new Win32Renderer();
        if (GraphicsPrimitive.tracingEnabled()) {
            gdiPipe = gdiPipe.traceWrap();
        }
        gdiTxPipe = new PixelToShapeConverter(gdiPipe);
    }

    public void validatePipe(SunGraphics2D sg2d) {
        if (sg2d.antialiasHint != SunHints.INTVAL_ANTIALIAS_ON &&
            sg2d.paintState == sg2d.PAINT_SOLIDCOLOR &&
            (sg2d.compositeState == sg2d.COMP_ISCOPY ||
             sg2d.compositeState == sg2d.COMP_XOR) &&
            sg2d.clipState != sg2d.CLIP_SHAPE)
        {
            sg2d.imagepipe = imagepipe;
            if (sg2d.transformState > sg2d.TRANSFORM_TRANSLATEONLY) {
                sg2d.drawpipe = gdiTxPipe;
                sg2d.fillpipe = gdiTxPipe;
            } else if (sg2d.strokeState != sg2d.STROKE_THIN){
                sg2d.drawpipe = gdiTxPipe;
                sg2d.fillpipe = gdiPipe;
            } else {
                sg2d.drawpipe = gdiPipe;
                sg2d.fillpipe = gdiPipe;
            }
            sg2d.shapepipe = gdiPipe;
            // REMIND: There is no alternate text pipe for now...
            if (sg2d.textAntialiasHint != SunHints.INTVAL_TEXT_ANTIALIAS_ON) {
                sg2d.textpipe = solidTextRenderer;
            } else {
                sg2d.textpipe = aaTextRenderer;
            }
            // This is needed for AA text.
            // Note that even a SolidTextRenderer can dispatch AA text
            // if a GlyphVector overrides the AA setting.
            // We use getRenderLoops() rather than setting solidloops
            // directly so that we get the appropriate loops in XOR mode.
            sg2d.loops = getRenderLoops(sg2d);
        } else {
            super.validatePipe(sg2d);
        }
    }

    public void lock() {
        // REMIND: Need to DirectDraw lock here...
    }

    public void unlock() {
        // REMIND: Need to DirectDraw lock here...
    }

    public RenderLoops getRenderLoops(SunGraphics2D sg2d) {
        if (sg2d.paintState == sg2d.PAINT_SOLIDCOLOR &&
            sg2d.compositeState == sg2d.COMP_ISCOPY)
        {
            return solidloops;
        }
        return super.getRenderLoops(sg2d);
    }

    public GraphicsConfiguration getDeviceConfiguration() {
        return graphicsConfig;
    }

    /**
     * Initializes the native Ops pointer.
     */
    private native void initOps(WComponentPeer peer, int depth, int redMask,
                                int greenMask, int blueMask, int numBuffers,
                                int screen);

    public Win32SurfaceData(WComponentPeer peer, SurfaceType sType,
        int numBuffers) {
        super(sType, peer.getDeviceColorModel());
        ColorModel cm = peer.getDeviceColorModel();
        this.peer = peer;
        int rMask = 0, gMask = 0, bMask = 0;
        int depth;
        switch (cm.getPixelSize()) {
        case 32:
        case 24:
            if (cm instanceof DirectColorModel) {
                depth = 32;
            } else {
                depth = 24;
            }
            break;
        default:
            depth = cm.getPixelSize();
        }
        if (cm instanceof DirectColorModel) {
            DirectColorModel dcm = (DirectColorModel)cm;
            rMask = dcm.getRedMask();
            gMask = dcm.getGreenMask();
            bMask = dcm.getBlueMask();
        }
        this.graphicsConfig =
            (Win32GraphicsConfig) peer.getGraphicsConfiguration();
        this.solidloops = graphicsConfig.getSolidLoops(sType);
        if (peer instanceof WFileDialogPeer ||
            peer instanceof WPrintDialogPeer )
        {
            // REMIND: Awful hack.  The right fix for this problem
            // would be for these type of Peers to not even use a
            // Win32SurfaceData object since they never do any
            // rendering.  Or they could actually implement the
            // functionality needed in initOps.  But this seems
            // to work for now.  See bug 4391928 for more info.
            return;
        }
        Win32GraphicsDevice gd =
            (Win32GraphicsDevice)graphicsConfig.getDevice();
        initOps(peer, depth, rMask, gMask, bMask, numBuffers, gd.getScreen());
    }

    public SurfaceData getReplacement() {
        return peer.getSurfaceData();
    }

    public Rectangle getBounds() {
        Rectangle r = peer.getBounds();
        r.x = r.y = 0;
        return r;
    }

    public boolean copyArea(SunGraphics2D sg2d,
                            int x, int y, int w, int h, int dx, int dy)
    {
        CompositeType comptype = sg2d.imageComp;
        if (sg2d.transformState < sg2d.TRANSFORM_TRANSLATESCALE &&
            sg2d.clipState != sg2d.CLIP_SHAPE &&
            (CompositeType.SrcOverNoEa.equals(comptype) ||
             CompositeType.SrcNoEa.equals(comptype)))
        {
            x += sg2d.transX;
            y += sg2d.transY;
            int dstx1 = x + dx;
            int dsty1 = y + dy;
            int dstx2 = dstx1 + w;
            int dsty2 = dsty1 + h;
            Region clip = sg2d.getCompClip();
            if (dstx1 < clip.getLoX()) dstx1 = clip.getLoX();
            if (dsty1 < clip.getLoY()) dsty1 = clip.getLoY();
            if (dstx2 > clip.getHiX()) dstx2 = clip.getHiX();
            if (dsty2 > clip.getHiY()) dsty2 = clip.getHiY();
            if (dstx1 < dstx2 && dsty1 < dsty2) {
                gdiPipe.devCopyArea(this, dstx1 - dx, dsty1 - dy,
                                    dx, dy,
                                    dstx2 - dstx1, dsty2 - dsty1);
            }
            return true;
        }
        return false;
    }

    private native void invalidateSD();
    public void invalidate() {
        if (isValid()) {
            invalidateSD();
            super.invalidate();
            //peer.invalidateBackBuffer();
        }
    }

    // This gets called when restoring the back buffer
    public native void restoreSurface();
    public native void flip(SurfaceData data);

}
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