J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2000-2003 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | #include "GraphicsPrimitiveMgr.h" |
| 27 | #include "Region.h" |
| 28 | |
| 29 | #include "sun_java2d_loops_MaskBlit.h" |
| 30 | |
| 31 | /* |
| 32 | * Class: sun_java2d_loops_MaskBlit |
| 33 | * Method: MaskBlit |
| 34 | * Signature: (Lsun/java2d/SurfaceData;Lsun/java2d/SurfaceData;Ljava/awt/Composite;IIIIII[BII)V |
| 35 | */ |
| 36 | JNIEXPORT void JNICALL |
| 37 | Java_sun_java2d_loops_MaskBlit_MaskBlit |
| 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 | jbyteArray maskArray, jint maskoff, jint maskscan) |
| 42 | { |
| 43 | SurfaceDataOps *srcOps; |
| 44 | SurfaceDataOps *dstOps; |
| 45 | SurfaceDataRasInfo srcInfo; |
| 46 | SurfaceDataRasInfo dstInfo; |
| 47 | NativePrimitive *pPrim; |
| 48 | CompositeInfo compInfo; |
| 49 | RegionData clipInfo; |
| 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 | dstOps = SurfaceData_GetOps(env, dstData); |
| 64 | if (srcOps == 0 || dstOps == 0) { |
| 65 | return; |
| 66 | } |
| 67 | |
| 68 | srcInfo.bounds.x1 = srcx; |
| 69 | srcInfo.bounds.y1 = srcy; |
| 70 | srcInfo.bounds.x2 = srcx + width; |
| 71 | srcInfo.bounds.y2 = srcy + height; |
| 72 | dstInfo.bounds.x1 = dstx; |
| 73 | dstInfo.bounds.y1 = dsty; |
| 74 | dstInfo.bounds.x2 = dstx + width; |
| 75 | dstInfo.bounds.y2 = dsty + height; |
| 76 | srcx -= dstx; |
| 77 | srcy -= dsty; |
| 78 | SurfaceData_IntersectBounds(&dstInfo.bounds, &clipInfo.bounds); |
| 79 | if (srcOps->Lock(env, srcOps, &srcInfo, pPrim->srcflags) != SD_SUCCESS) { |
| 80 | return; |
| 81 | } |
| 82 | if (dstOps->Lock(env, dstOps, &dstInfo, pPrim->dstflags) != SD_SUCCESS) { |
| 83 | SurfaceData_InvokeUnlock(env, srcOps, &srcInfo); |
| 84 | return; |
| 85 | } |
| 86 | SurfaceData_IntersectBlitBounds(&dstInfo.bounds, &srcInfo.bounds, |
| 87 | srcx, srcy); |
| 88 | Region_IntersectBounds(&clipInfo, &dstInfo.bounds); |
| 89 | |
| 90 | if (!Region_IsEmpty(&clipInfo)) { |
| 91 | srcOps->GetRasInfo(env, srcOps, &srcInfo); |
| 92 | dstOps->GetRasInfo(env, dstOps, &dstInfo); |
| 93 | if (srcInfo.rasBase && dstInfo.rasBase) { |
| 94 | SurfaceDataBounds span; |
| 95 | unsigned char *pMask = |
| 96 | (maskArray |
| 97 | ? (*env)->GetPrimitiveArrayCritical(env, maskArray, 0) |
| 98 | : 0); |
| 99 | jint savesx = srcInfo.bounds.x1; |
| 100 | jint savedx = dstInfo.bounds.x1; |
| 101 | Region_StartIteration(env, &clipInfo); |
| 102 | while (Region_NextIteration(&clipInfo, &span)) { |
| 103 | void *pSrc = PtrCoord(srcInfo.rasBase, |
| 104 | srcx + span.x1, srcInfo.pixelStride, |
| 105 | srcy + span.y1, srcInfo.scanStride); |
| 106 | void *pDst = PtrCoord(dstInfo.rasBase, |
| 107 | span.x1, dstInfo.pixelStride, |
| 108 | span.y1, dstInfo.scanStride); |
| 109 | maskoff += ((span.y1 - dsty) * maskscan + (span.x1 - dstx)); |
| 110 | /* |
| 111 | * Fix for 4804375 |
| 112 | * REMIND: There should probably be a better |
| 113 | * way to give the span coordinates to the |
| 114 | * inner loop. This is only really needed |
| 115 | * for the 1, 2, and 4 bit loops. |
| 116 | */ |
| 117 | srcInfo.bounds.x1 = srcx + span.x1; |
| 118 | dstInfo.bounds.x1 = span.x1; |
| 119 | (*pPrim->funcs.maskblit)(pDst, pSrc, |
| 120 | pMask, maskoff, maskscan, |
| 121 | span.x2 - span.x1, span.y2 - span.y1, |
| 122 | &dstInfo, &srcInfo, |
| 123 | pPrim, &compInfo); |
| 124 | } |
| 125 | Region_EndIteration(env, &clipInfo); |
| 126 | if (pMask) { |
| 127 | (*env)->ReleasePrimitiveArrayCritical(env, maskArray, |
| 128 | pMask, JNI_ABORT); |
| 129 | } |
| 130 | srcInfo.bounds.x1 = savesx; |
| 131 | dstInfo.bounds.x1 = savedx; |
| 132 | } |
| 133 | SurfaceData_InvokeRelease(env, dstOps, &dstInfo); |
| 134 | SurfaceData_InvokeRelease(env, srcOps, &srcInfo); |
| 135 | } |
| 136 | SurfaceData_InvokeUnlock(env, dstOps, &dstInfo); |
| 137 | SurfaceData_InvokeUnlock(env, srcOps, &srcInfo); |
| 138 | } |