/* * Copyright (c) 1996, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 in the LICENSE file that * accompanied this code). * * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * This file contains the skeleton code for generating functions to * convert image data for the Java AWT. Nearly everything below is * a call to a macro that is defined in one of the header files * included in this directory. A description of the various macro * packages available for customizing this skeleton and how to use * this file to construct specific conversion functions is available * in the README file that should also be included in this directory. */ ImgConvertFcn NAME; int NAME(struct Hjava_awt_image_ColorModel *colormodel, int srcOX, int srcOY, int srcW, int srcH, void *srcpix, int srcOff, int srcBPP, int srcScan, int srcTotalWidth, int srcTotalHeight, int dstTotalWidth, int dstTotalHeight, ImgConvertData *cvdata, ImgColorData *clrdata) { DeclareScaleVars DeclareInputVars DeclareDecodeVars DeclareAlphaVars DeclareDitherVars DeclareOutputVars unsigned int pixel; int red, green, blue; IfAlpha(int alpha;) InitInput(srcBPP); InitScale(srcpix, srcOff, srcScan, srcOX, srcOY, srcW, srcH, srcTotalWidth, srcTotalHeight, dstTotalWidth, dstTotalHeight); InitOutput(cvdata, clrdata, DSTX1, DSTY1); InitAlpha(cvdata, DSTY1, DSTX1, DSTX2); InitPixelDecode(colormodel); InitDither(cvdata, clrdata, dstTotalWidth); RowLoop(srcOY) { RowSetup(srcTotalHeight, dstTotalHeight, srcTotalWidth, dstTotalWidth, srcOY, srcpix, srcOff, srcScan); StartDitherLine(cvdata, DSTX1, DSTY); StartAlphaRow(cvdata, DSTX1, DSTY); ColLoop(srcOX) { ColSetup(srcTotalWidth, dstTotalWidth, pixel); PixelDecode(colormodel, pixel, red, green, blue, alpha); ApplyAlpha(cvdata, DSTX, DSTY, alpha); DitherPixel(DSTX, DSTY, pixel, red, green, blue); PutPixelInc(pixel, red, green, blue); } EndMaskLine(); EndOutputRow(cvdata, DSTY, DSTX1, DSTX2); RowEnd(srcTotalHeight, dstTotalHeight, srcW, srcScan); } DitherBufComplete(cvdata, DSTX1); BufComplete(cvdata, DSTX1, DSTY1, DSTX2, DSTY2); return SCALESUCCESS; }