/*
*
* Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*/
package com.sun.pisces;
import javax.microedition.lcdui.Graphics;
public final class GraphicsSurfaceDestination implements SurfaceDestination {
private final Graphics g;
public GraphicsSurfaceDestination(Graphics g) {
this.g = g;
initialize();
}
public void drawSurface(Surface ps, int srcX, int srcY,
int dstX, int dstY, int width, int height, float opacity) {
if (ps instanceof AbstractSurface) {
drawSurfaceImpl(g, (AbstractSurface)ps, srcX, srcY,
dstX, dstY, width, height, opacity);
return;
}
int srcW = ps.getWidth();
int srcH = ps.getHeight();
if (srcX < 0) {
dstX -= srcX;
width += srcX;
srcX = 0;
}
if (srcY < 0) {
dstY -= srcY;
height += srcY;
srcY = 0;
}
if ((srcX + width) > srcW) {
width = srcW - srcX;
}
if ((srcY + height) > srcH) {
height = srcH - srcY;
}
if ((width > 0) && (height > 0) && (opacity > 0)) {
int size = width * height;
int[] srcRGB = new int[size];
ps.getRGB(srcRGB, 0, width, srcX, srcY, width, height);
drawRGBImpl(g, srcRGB, 0, width, dstX, dstY, width, height,
opacity);
}
}
public void drawRGB(int[] argb, int offset, int scanLength,
int x, int y, int width, int height, float opacity) {
drawRGBImpl(g, argb, offset, scanLength, x, y, width, height, opacity);
}
private native void initialize();
private static native void drawSurfaceImpl(Graphics g, AbstractSurface ps,
int srcX, int srcY, int dstX, int dstY,
int width, int height, float opacity);
private static native void drawRGBImpl(Graphics g,
int[] argb, int offset, int scanLength, int x, int y,
int width, int height, float opacity);
}
|