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/*
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* Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include "GraphicsPrimitiveMgr.h"
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#include "Region.h"
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#include "sun_java2d_loops_Blit.h"
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/*
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* Class: sun_java2d_loops_Blit
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* Method: Blit
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* Signature: (Lsun/java2d/SurfaceData;Lsun/java2d/SurfaceData;Ljava/awt/Composite;IIIIII)V
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*/
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JNIEXPORT void JNICALL
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Java_sun_java2d_loops_Blit_Blit
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(JNIEnv *env, jobject self,
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jobject srcData, jobject dstData, jobject comp, jobject clip,
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jint srcx, jint srcy, jint dstx, jint dsty, jint width, jint height)
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{
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SurfaceDataOps *srcOps;
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SurfaceDataOps *dstOps;
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SurfaceDataRasInfo srcInfo;
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SurfaceDataRasInfo dstInfo;
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NativePrimitive *pPrim;
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CompositeInfo compInfo;
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RegionData clipInfo;
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jint dstFlags;
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pPrim = GetNativePrim(env, self);
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if (pPrim == NULL) {
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return;
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}
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if (pPrim->pCompType->getCompInfo != NULL) {
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(*pPrim->pCompType->getCompInfo)(env, &compInfo, comp);
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}
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if (Region_GetInfo(env, clip, &clipInfo)) {
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return;
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}
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srcOps = SurfaceData_GetOps(env, srcData);
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dstOps = SurfaceData_GetOps(env, dstData);
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if (srcOps == 0 || dstOps == 0) {
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return;
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}
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srcInfo.bounds.x1 = srcx;
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srcInfo.bounds.y1 = srcy;
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srcInfo.bounds.x2 = srcx + width;
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srcInfo.bounds.y2 = srcy + height;
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dstInfo.bounds.x1 = dstx;
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dstInfo.bounds.y1 = dsty;
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dstInfo.bounds.x2 = dstx + width;
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dstInfo.bounds.y2 = dsty + height;
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srcx -= dstx;
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srcy -= dsty;
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SurfaceData_IntersectBounds(&dstInfo.bounds, &clipInfo.bounds);
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if (srcOps->Lock(env, srcOps, &srcInfo, pPrim->srcflags) != SD_SUCCESS) {
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return;
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}
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dstFlags = pPrim->dstflags;
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if (!Region_IsRectangular(&clipInfo)) {
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dstFlags |= SD_LOCK_PARTIAL_WRITE;
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}
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if (dstOps->Lock(env, dstOps, &dstInfo, dstFlags) != SD_SUCCESS) {
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SurfaceData_InvokeUnlock(env, srcOps, &srcInfo);
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return;
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}
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SurfaceData_IntersectBlitBounds(&dstInfo.bounds, &srcInfo.bounds,
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srcx, srcy);
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Region_IntersectBounds(&clipInfo, &dstInfo.bounds);
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if (!Region_IsEmpty(&clipInfo)) {
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srcOps->GetRasInfo(env, srcOps, &srcInfo);
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dstOps->GetRasInfo(env, dstOps, &dstInfo);
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if (srcInfo.rasBase && dstInfo.rasBase) {
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SurfaceDataBounds span;
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jint savesx = srcInfo.bounds.x1;
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jint savedx = dstInfo.bounds.x1;
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Region_StartIteration(env, &clipInfo);
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while (Region_NextIteration(&clipInfo, &span)) {
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void *pSrc = PtrCoord(srcInfo.rasBase,
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srcx + span.x1, srcInfo.pixelStride,
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srcy + span.y1, srcInfo.scanStride);
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void *pDst = PtrCoord(dstInfo.rasBase,
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span.x1, dstInfo.pixelStride,
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span.y1, dstInfo.scanStride);
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/*
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* Fix for 4804375
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* REMIND: There should probably be a better
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* way to give the span coordinates to the
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* inner loop. This is only really needed
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* for the 1, 2, and 4 bit loops.
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*/
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srcInfo.bounds.x1 = srcx + span.x1;
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dstInfo.bounds.x1 = span.x1;
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(*pPrim->funcs.blit)(pSrc, pDst,
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span.x2 - span.x1, span.y2 - span.y1,
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&srcInfo, &dstInfo, pPrim, &compInfo);
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}
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Region_EndIteration(env, &clipInfo);
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srcInfo.bounds.x1 = savesx;
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dstInfo.bounds.x1 = savedx;
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}
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SurfaceData_InvokeRelease(env, dstOps, &dstInfo);
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SurfaceData_InvokeRelease(env, srcOps, &srcInfo);
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}
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SurfaceData_InvokeUnlock(env, dstOps, &dstInfo);
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SurfaceData_InvokeUnlock(env, srcOps, &srcInfo);
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}
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