/*
* Copyright (c) 2000, 2001, 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.
*/
#include "GraphicsPrimitiveMgr.h"
#include "LineUtils.h"
#include "sun_java2d_loops_DrawRect.h"
/*
* Class: sun_java2d_loops_DrawRect
* Method: DrawRect
* Signature: (Lsun/java2d/SunGraphics2D;Lsun/java2d/SurfaceData;IIII)V
*/
JNIEXPORT void JNICALL
Java_sun_java2d_loops_DrawRect_DrawRect
(JNIEnv *env, jobject self,
jobject sg2d, jobject sData,
jint x, jint y, jint w, jint h)
{
SurfaceDataOps *sdOps;
SurfaceDataRasInfo rasInfo;
NativePrimitive *pPrim;
CompositeInfo compInfo;
jint lox, loy, hix, hiy;
jint pixel = GrPrim_Sg2dGetPixel(env, sg2d);
if (w < 0 || h < 0) {
return;
}
pPrim = GetNativePrim(env, self);
if (pPrim == NULL) {
return;
}
if (pPrim->pCompType->getCompInfo != NULL) {
GrPrim_Sg2dGetCompInfo(env, sg2d, pPrim, &compInfo);
}
sdOps = SurfaceData_GetOps(env, sData);
if (sdOps == 0) {
return;
}
lox = x;
loy = y;
hix = x + w + 1;
hiy = y + h + 1;
if (hix < lox) {
hix = 0x7fffffff;
}
if (hiy < loy) {
hiy = 0x7fffffff;
}
GrPrim_Sg2dGetClip(env, sg2d, &rasInfo.bounds);
if (rasInfo.bounds.x1 < lox) rasInfo.bounds.x1 = lox;
if (rasInfo.bounds.y1 < loy) rasInfo.bounds.y1 = loy;
if (rasInfo.bounds.x2 > hix) rasInfo.bounds.x2 = hix;
if (rasInfo.bounds.y2 > hiy) rasInfo.bounds.y2 = hiy;
if (sdOps->Lock(env, sdOps, &rasInfo, pPrim->dstflags) != SD_SUCCESS) {
return;
}
if (rasInfo.bounds.x2 > rasInfo.bounds.x1 &&
rasInfo.bounds.y2 > rasInfo.bounds.y1)
{
sdOps->GetRasInfo(env, sdOps, &rasInfo);
if (rasInfo.rasBase) {
DrawLineFunc *pLine = pPrim->funcs.drawline;
int loyin = (loy == rasInfo.bounds.y1);
int hiyin = (hiy == rasInfo.bounds.y2);
int xsize = (rasInfo.bounds.x2 - rasInfo.bounds.x1);
int ysize = (rasInfo.bounds.y2 - rasInfo.bounds.y1 - loyin - hiyin);
/*
* To avoid drawing the corners twice (both for performance
* and because XOR erases them otherwise) and to maximize the
* number of pixels we draw in the horizontal portions
* which are more cache-friendly, we include the corner
* pixels only in the top and bottom segments.
* We also protect against degenerate rectangles where we
* would draw the same line for top & bottom or left & right.
*/
if (loyin) {
/* Line across the top */
(*pLine)(&rasInfo,
rasInfo.bounds.x1, rasInfo.bounds.y1,
pixel, xsize, 0,
BUMP_POS_PIXEL, 0, BUMP_NOOP, 0, pPrim, &compInfo);
}
if (lox == rasInfo.bounds.x1 && ysize > 0) {
/* Line down the left side */
(*pLine)(&rasInfo,
rasInfo.bounds.x1, rasInfo.bounds.y1 + loyin,
pixel, ysize, 0,
BUMP_POS_SCAN, 0, BUMP_NOOP, 0, pPrim, &compInfo);
}
if (hix == rasInfo.bounds.x2 && ysize > 0 && lox != hix - 1) {
/* Line down the right side */
(*pLine)(&rasInfo,
rasInfo.bounds.x2 - 1, rasInfo.bounds.y1 + loyin,
pixel, ysize, 0,
BUMP_POS_SCAN, 0, BUMP_NOOP, 0, pPrim, &compInfo);
}
if (hiyin && loy != hiy - 1) {
/* Line across the bottom */
(*pLine)(&rasInfo,
rasInfo.bounds.x1, rasInfo.bounds.y2 - 1,
pixel, xsize, 0,
BUMP_POS_PIXEL, 0, BUMP_NOOP, 0, pPrim, &compInfo);
}
}
SurfaceData_InvokeRelease(env, sdOps, &rasInfo);
}
SurfaceData_InvokeUnlock(env, sdOps, &rasInfo);
}