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