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/*
* Copyright 2000-2008 Sun Microsystems, Inc. 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. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
#include "GraphicsPrimitiveMgr.h"
#include "Region.h"
#include "sun_java2d_loops_BlitBg.h"
/*
* Class: sun_java2d_loops_BlitBg
* Method: BlitBg
* Signature: (Lsun/java2d/SurfaceData;Lsun/java2d/SurfaceData;Ljava/awt/Composite;IIIIIII)V
*/
JNIEXPORT void JNICALL Java_sun_java2d_loops_BlitBg_BlitBg
(JNIEnv *env, jobject self,
jobject srcData, jobject dstData,
jobject comp, jobject clip, jint bgColor,
jint srcx, jint srcy, jint dstx, jint dsty, jint width, jint height)
{
SurfaceDataOps *srcOps;
SurfaceDataOps *dstOps;
SurfaceDataRasInfo srcInfo;
SurfaceDataRasInfo dstInfo;
NativePrimitive *pPrim;
CompositeInfo compInfo;
RegionData clipInfo;
jint dstFlags;
pPrim = GetNativePrim(env, self);
if (pPrim == NULL) {
return;
}
if (pPrim->pCompType->getCompInfo != NULL) {
(*pPrim->pCompType->getCompInfo)(env, &compInfo, comp);
}
if (Region_GetInfo(env, clip, &clipInfo)) {
return;
}
srcOps = SurfaceData_GetOps(env, srcData);
dstOps = SurfaceData_GetOps(env, dstData);
if (srcOps == 0 || dstOps == 0) {
return;
}
srcInfo.bounds.x1 = srcx;
srcInfo.bounds.y1 = srcy;
srcInfo.bounds.x2 = srcx + width;
srcInfo.bounds.y2 = srcy + height;
dstInfo.bounds.x1 = dstx;
dstInfo.bounds.y1 = dsty;
dstInfo.bounds.x2 = dstx + width;
dstInfo.bounds.y2 = dsty + height;
srcx -= dstx;
srcy -= dsty;
SurfaceData_IntersectBounds(&dstInfo.bounds, &clipInfo.bounds);
if (srcOps->Lock(env, srcOps, &srcInfo, pPrim->srcflags) != SD_SUCCESS) {
return;
}
dstFlags = pPrim->dstflags;
if (!Region_IsRectangular(&clipInfo)) {
dstFlags |= SD_LOCK_PARTIAL_WRITE;
}
if (dstOps->Lock(env, dstOps, &dstInfo, dstFlags) != SD_SUCCESS) {
SurfaceData_InvokeUnlock(env, srcOps, &srcInfo);
return;
}
SurfaceData_IntersectBlitBounds(&dstInfo.bounds, &srcInfo.bounds,
srcx, srcy);
Region_IntersectBounds(&clipInfo, &dstInfo.bounds);
if (!Region_IsEmpty(&clipInfo)) {
jint bgpixel = bgColor;
srcOps->GetRasInfo(env, srcOps, &srcInfo);
dstOps->GetRasInfo(env, dstOps, &dstInfo);
if (pPrim->pDstType->pixelFor) {
bgpixel = (*pPrim->pDstType->pixelFor)(&dstInfo, bgpixel);
}
if (srcInfo.rasBase && dstInfo.rasBase) {
SurfaceDataBounds span;
jint savesx = srcInfo.bounds.x1;
jint savedx = dstInfo.bounds.x1;
Region_StartIteration(env, &clipInfo);
while (Region_NextIteration(&clipInfo, &span)) {
void *pSrc = PtrCoord(srcInfo.rasBase,
srcx + span.x1, srcInfo.pixelStride,
srcy + span.y1, srcInfo.scanStride);
void *pDst = PtrCoord(dstInfo.rasBase,
span.x1, dstInfo.pixelStride,
span.y1, dstInfo.scanStride);
/*
* Fix for 4804375
* REMIND: There should probably be a better
* way to give the span coordinates to the
* inner loop. This is only really needed
* for the 1, 2, and 4 bit loops.
*/
srcInfo.bounds.x1 = srcx + span.x1;
dstInfo.bounds.x1 = span.x1;
(*pPrim->funcs.blitbg)(pSrc, pDst,
span.x2 - span.x1, span.y2 - span.y1,
bgpixel,
&srcInfo, &dstInfo, pPrim, &compInfo);
}
Region_EndIteration(env, &clipInfo);
srcInfo.bounds.x1 = savesx;
dstInfo.bounds.x1 = savedx;
}
SurfaceData_InvokeRelease(env, dstOps, &dstInfo);
SurfaceData_InvokeRelease(env, srcOps, &srcInfo);
}
SurfaceData_InvokeUnlock(env, dstOps, &dstInfo);
SurfaceData_InvokeUnlock(env, srcOps, &srcInfo);
}
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