J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2000-2001 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 "LineUtils.h" |
| 28 | |
| 29 | #include "sun_java2d_loops_DrawRect.h" |
| 30 | |
| 31 | /* |
| 32 | * Class: sun_java2d_loops_DrawRect |
| 33 | * Method: DrawRect |
| 34 | * Signature: (Lsun/java2d/SunGraphics2D;Lsun/java2d/SurfaceData;IIII)V |
| 35 | */ |
| 36 | JNIEXPORT void JNICALL |
| 37 | Java_sun_java2d_loops_DrawRect_DrawRect |
| 38 | (JNIEnv *env, jobject self, |
| 39 | jobject sg2d, jobject sData, |
| 40 | jint x, jint y, jint w, jint h) |
| 41 | { |
| 42 | SurfaceDataOps *sdOps; |
| 43 | SurfaceDataRasInfo rasInfo; |
| 44 | NativePrimitive *pPrim; |
| 45 | CompositeInfo compInfo; |
| 46 | jint lox, loy, hix, hiy; |
| 47 | jint pixel = GrPrim_Sg2dGetPixel(env, sg2d); |
| 48 | |
| 49 | if (w < 0 || h < 0) { |
| 50 | return; |
| 51 | } |
| 52 | |
| 53 | pPrim = GetNativePrim(env, self); |
| 54 | if (pPrim == NULL) { |
| 55 | return; |
| 56 | } |
| 57 | if (pPrim->pCompType->getCompInfo != NULL) { |
| 58 | GrPrim_Sg2dGetCompInfo(env, sg2d, pPrim, &compInfo); |
| 59 | } |
| 60 | |
| 61 | sdOps = SurfaceData_GetOps(env, sData); |
| 62 | if (sdOps == 0) { |
| 63 | return; |
| 64 | } |
| 65 | |
| 66 | lox = x; |
| 67 | loy = y; |
| 68 | hix = x + w + 1; |
| 69 | hiy = y + h + 1; |
| 70 | if (hix < lox) { |
| 71 | hix = 0x7fffffff; |
| 72 | } |
| 73 | if (hiy < loy) { |
| 74 | hiy = 0x7fffffff; |
| 75 | } |
| 76 | |
| 77 | GrPrim_Sg2dGetClip(env, sg2d, &rasInfo.bounds); |
| 78 | if (rasInfo.bounds.x1 < lox) rasInfo.bounds.x1 = lox; |
| 79 | if (rasInfo.bounds.y1 < loy) rasInfo.bounds.y1 = loy; |
| 80 | if (rasInfo.bounds.x2 > hix) rasInfo.bounds.x2 = hix; |
| 81 | if (rasInfo.bounds.y2 > hiy) rasInfo.bounds.y2 = hiy; |
| 82 | if (sdOps->Lock(env, sdOps, &rasInfo, pPrim->dstflags) != SD_SUCCESS) { |
| 83 | return; |
| 84 | } |
| 85 | |
| 86 | if (rasInfo.bounds.x2 > rasInfo.bounds.x1 && |
| 87 | rasInfo.bounds.y2 > rasInfo.bounds.y1) |
| 88 | { |
| 89 | sdOps->GetRasInfo(env, sdOps, &rasInfo); |
| 90 | if (rasInfo.rasBase) { |
| 91 | DrawLineFunc *pLine = pPrim->funcs.drawline; |
| 92 | int loyin = (loy == rasInfo.bounds.y1); |
| 93 | int hiyin = (hiy == rasInfo.bounds.y2); |
| 94 | int xsize = (rasInfo.bounds.x2 - rasInfo.bounds.x1); |
| 95 | int ysize = (rasInfo.bounds.y2 - rasInfo.bounds.y1 - loyin - hiyin); |
| 96 | /* |
| 97 | * To avoid drawing the corners twice (both for performance |
| 98 | * and because XOR erases them otherwise) and to maximize the |
| 99 | * number of pixels we draw in the horizontal portions |
| 100 | * which are more cache-friendly, we include the corner |
| 101 | * pixels only in the top and bottom segments. |
| 102 | * We also protect against degenerate rectangles where we |
| 103 | * would draw the same line for top & bottom or left & right. |
| 104 | */ |
| 105 | if (loyin) { |
| 106 | /* Line across the top */ |
| 107 | (*pLine)(&rasInfo, |
| 108 | rasInfo.bounds.x1, rasInfo.bounds.y1, |
| 109 | pixel, xsize, 0, |
| 110 | BUMP_POS_PIXEL, 0, BUMP_NOOP, 0, pPrim, &compInfo); |
| 111 | } |
| 112 | if (lox == rasInfo.bounds.x1 && ysize > 0) { |
| 113 | /* Line down the left side */ |
| 114 | (*pLine)(&rasInfo, |
| 115 | rasInfo.bounds.x1, rasInfo.bounds.y1 + loyin, |
| 116 | pixel, ysize, 0, |
| 117 | BUMP_POS_SCAN, 0, BUMP_NOOP, 0, pPrim, &compInfo); |
| 118 | } |
| 119 | if (hix == rasInfo.bounds.x2 && ysize > 0 && lox != hix - 1) { |
| 120 | /* Line down the right side */ |
| 121 | (*pLine)(&rasInfo, |
| 122 | rasInfo.bounds.x2 - 1, rasInfo.bounds.y1 + loyin, |
| 123 | pixel, ysize, 0, |
| 124 | BUMP_POS_SCAN, 0, BUMP_NOOP, 0, pPrim, &compInfo); |
| 125 | } |
| 126 | if (hiyin && loy != hiy - 1) { |
| 127 | /* Line across the bottom */ |
| 128 | (*pLine)(&rasInfo, |
| 129 | rasInfo.bounds.x1, rasInfo.bounds.y2 - 1, |
| 130 | pixel, xsize, 0, |
| 131 | BUMP_POS_PIXEL, 0, BUMP_NOOP, 0, pPrim, &compInfo); |
| 132 | } |
| 133 | } |
| 134 | SurfaceData_InvokeRelease(env, sdOps, &rasInfo); |
| 135 | } |
| 136 | SurfaceData_InvokeUnlock(env, sdOps, &rasInfo); |
| 137 | } |