1/* 2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26#include "GraphicsPrimitiveMgr.h" 27#include "Region.h" 28 29#include "sun_java2d_loops_Blit.h" 30 31/* 32 * Class: sun_java2d_loops_Blit 33 * Method: Blit 34 * Signature: (Lsun/java2d/SurfaceData;Lsun/java2d/SurfaceData;Ljava/awt/Composite;IIIIII)V 35 */ 36JNIEXPORT void JNICALL 37Java_sun_java2d_loops_Blit_Blit 38 (JNIEnv *env, jobject self, 39 jobject srcData, jobject dstData, jobject comp, jobject clip, 40 jint srcx, jint srcy, jint dstx, jint dsty, jint width, jint height) 41{ 42 SurfaceDataOps *srcOps; 43 SurfaceDataOps *dstOps; 44 SurfaceDataRasInfo srcInfo; 45 SurfaceDataRasInfo dstInfo; 46 NativePrimitive *pPrim; 47 CompositeInfo compInfo; 48 RegionData clipInfo; 49 jint dstFlags; 50 51 pPrim = GetNativePrim(env, self); 52 if (pPrim == NULL) { 53 return; 54 } 55 if (pPrim->pCompType->getCompInfo != NULL) { 56 (*pPrim->pCompType->getCompInfo)(env, &compInfo, comp); 57 } 58 if (Region_GetInfo(env, clip, &clipInfo)) { 59 return; 60 } 61 62 srcOps = SurfaceData_GetOps(env, srcData); 63 if (srcOps == 0) { 64 return; 65 } 66 dstOps = SurfaceData_GetOps(env, dstData); 67 if (dstOps == 0) { 68 return; 69 } 70 71 srcInfo.bounds.x1 = srcx; 72 srcInfo.bounds.y1 = srcy; 73 srcInfo.bounds.x2 = srcx + width; 74 srcInfo.bounds.y2 = srcy + height; 75 dstInfo.bounds.x1 = dstx; 76 dstInfo.bounds.y1 = dsty; 77 dstInfo.bounds.x2 = dstx + width; 78 dstInfo.bounds.y2 = dsty + height; 79 srcx -= dstx; 80 srcy -= dsty; 81 SurfaceData_IntersectBounds(&dstInfo.bounds, &clipInfo.bounds); 82 if (srcOps->Lock(env, srcOps, &srcInfo, pPrim->srcflags) != SD_SUCCESS) { 83 return; 84 } 85 86 dstFlags = pPrim->dstflags; 87 if (!Region_IsRectangular(&clipInfo)) { 88 dstFlags |= SD_LOCK_PARTIAL_WRITE; 89 } 90 if (dstOps->Lock(env, dstOps, &dstInfo, dstFlags) != SD_SUCCESS) { 91 SurfaceData_InvokeUnlock(env, srcOps, &srcInfo); 92 return; 93 } 94 SurfaceData_IntersectBlitBounds(&dstInfo.bounds, &srcInfo.bounds, 95 srcx, srcy); 96 Region_IntersectBounds(&clipInfo, &dstInfo.bounds); 97 98 if (!Region_IsEmpty(&clipInfo)) { 99 srcOps->GetRasInfo(env, srcOps, &srcInfo); 100 dstOps->GetRasInfo(env, dstOps, &dstInfo); 101 if (srcInfo.rasBase && dstInfo.rasBase) { 102 SurfaceDataBounds span; 103 jint savesx = srcInfo.bounds.x1; 104 jint savedx = dstInfo.bounds.x1; 105 Region_StartIteration(env, &clipInfo); 106 while (Region_NextIteration(&clipInfo, &span)) { 107 void *pSrc = PtrCoord(srcInfo.rasBase, 108 srcx + span.x1, srcInfo.pixelStride, 109 srcy + span.y1, srcInfo.scanStride); 110 void *pDst = PtrCoord(dstInfo.rasBase, 111 span.x1, dstInfo.pixelStride, 112 span.y1, dstInfo.scanStride); 113 /* 114 * Fix for 4804375 115 * REMIND: There should probably be a better 116 * way to give the span coordinates to the 117 * inner loop. This is only really needed 118 * for the 1, 2, and 4 bit loops. 119 */ 120 srcInfo.bounds.x1 = srcx + span.x1; 121 dstInfo.bounds.x1 = span.x1; 122 (*pPrim->funcs.blit)(pSrc, pDst, 123 span.x2 - span.x1, span.y2 - span.y1, 124 &srcInfo, &dstInfo, pPrim, &compInfo); 125 } 126 Region_EndIteration(env, &clipInfo); 127 srcInfo.bounds.x1 = savesx; 128 dstInfo.bounds.x1 = savedx; 129 } 130 SurfaceData_InvokeRelease(env, dstOps, &dstInfo); 131 SurfaceData_InvokeRelease(env, srcOps, &srcInfo); 132 } 133 SurfaceData_InvokeUnlock(env, dstOps, &dstInfo); 134 SurfaceData_InvokeUnlock(env, srcOps, &srcInfo); 135} 136