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Java example source code file (img_output8_16_24.h)
The img_output8_16_24.h Java example source code/* * 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 macro definitions for the Storing category of * the macros used by the generic scaleloop function. * * This implementation can store 8-bit or 16-bit pixels into an array * of bytes or shorts such that the pixel for (srcX, srcY) is stored at * index (srcOff + srcY * srcScan + srcX) in the array. * * This implementation can also store 24-bit pixels into an array of bytes * as three consecutive bytes such that the pixel for (srcX, srcY) is * stored at indices (srcOff + srcY * srcScan + srcX * 3 + C) in the * array, where C == 0 for the blue component, 1 for the green component, * and 2 for the red component. */ #define DeclareOutputVars \ pixptr dstP; \ int pixsz; #define InitOutput(cvdata, clrdata, dstX, dstY) \ do { \ switch (clrdata->bitsperpixel) { \ case 8: pixsz = 1; break; \ case 16: pixsz = 2; break; \ case 24: pixsz = 3; break; \ default: \ SignalError(0, JAVAPKG "InternalError", \ "unsupported screen depth"); \ return SCALEFAILURE; \ } \ img_check(pixsz != 2 || (ScanBytes(cvdata) & 1) == 0); \ dstP.vp = cvdata->outbuf; \ dstP.bp += dstY * ScanBytes(cvdata) + dstX * pixsz; \ } while (0) #define PutPixelInc(pixel, red, green, blue) \ do { \ switch (pixsz) { \ case 1: \ *dstP.bp++ = ((unsigned char) pixel); \ break; \ case 2: \ *dstP.sp++ = ((unsigned short) pixel); \ break; \ case 3: \ *dstP.bp++ = blue; \ *dstP.bp++ = green; \ *dstP.bp++ = red; \ break; \ } \ } while (0) #define EndOutputRow(cvdata, dstY, dstX1, dstX2) \ do { \ SendRow(cvdata, dstY, dstX1, dstX2); \ dstP.bp += ScanBytes(cvdata) - (dstX2 - dstX1) * pixsz; \ } while (0) #define EndOutputRect(cvdata, dstX1, dstY1, dstX2, dstY2) \ SendBuffer(cvdata, dstX1, dstY1, dstX2, dstY2) Other Java examples (source code examples)Here is a short list of links related to this Java img_output8_16_24.h source code file: |
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