author | ihse |
Wed, 28 Mar 2018 23:56:08 +0200 | |
changeset 49440 | 396ea30afbd5 |
parent 47216 | 71c04702a3d5 |
child 56721 | 01b558efd286 |
child 57196 | a95707a39ff5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1999, 2018, 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 "SurfaceData.h" |
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#include "jni_util.h" |
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#include "Disposer.h" |
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7113349: Initial changeset for Macosx port to jdk
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#include "stdlib.h" |
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#include "string.h" |
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/** |
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* This include file contains information on how to use a SurfaceData |
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* object from native code. |
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*/ |
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static jclass pInvalidPipeClass; |
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static jclass pNullSurfaceDataClass; |
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static jfieldID pDataID; |
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static jfieldID allGrayID; |
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jfieldID validID; |
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GeneralDisposeFunc SurfaceData_DisposeOps; |
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#define InitClass(var, env, name) \ |
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do { \ |
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var = (*env)->FindClass(env, name); \ |
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if (var == NULL) { \ |
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return; \ |
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} \ |
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} while (0) |
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#define InitField(var, env, jcl, name, type) \ |
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do { \ |
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var = (*env)->GetFieldID(env, jcl, name, type); \ |
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if (var == NULL) { \ |
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return; \ |
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} \ |
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} while (0) |
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#define InitGlobalClassRef(var, env, name) \ |
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do { \ |
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jobject jtmp; \ |
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InitClass(jtmp, env, name); \ |
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var = (*env)->NewGlobalRef(env, jtmp); \ |
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if (var == NULL) { \ |
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return; \ |
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} \ |
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} while (0) |
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/* |
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* Class: sun_java2d_SurfaceData |
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* Method: initIDs |
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* Signature: ()V |
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*/ |
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JNIEXPORT void JNICALL |
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Java_sun_java2d_SurfaceData_initIDs(JNIEnv *env, jclass sd) |
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{ |
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jclass pICMClass; |
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InitGlobalClassRef(pInvalidPipeClass, env, |
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"sun/java2d/InvalidPipeException"); |
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InitGlobalClassRef(pNullSurfaceDataClass, env, |
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"sun/java2d/NullSurfaceData"); |
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InitField(pDataID, env, sd, "pData", "J"); |
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InitField(validID, env, sd, "valid", "Z"); |
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InitClass(pICMClass, env, "java/awt/image/IndexColorModel"); |
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InitField(allGrayID, env, pICMClass, "allgrayopaque", "Z"); |
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} |
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/* |
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* Class: sun_java2d_SurfaceData |
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* Method: isOpaqueGray |
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* Signature: ()Z |
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*/ |
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JNIEXPORT jboolean JNICALL |
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Java_sun_java2d_SurfaceData_isOpaqueGray(JNIEnv *env, jclass sdClass, |
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jobject icm) |
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{ |
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if (icm == NULL) { |
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return JNI_FALSE; |
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} |
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return (*env)->GetBooleanField(env, icm, allGrayID); |
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} |
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static SurfaceDataOps * |
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GetSDOps(JNIEnv *env, jobject sData, jboolean callSetup) |
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{ |
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SurfaceDataOps *ops; |
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if (JNU_IsNull(env, sData)) { |
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JNU_ThrowNullPointerException(env, "surfaceData"); |
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return NULL; |
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} |
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ops = (SurfaceDataOps *)JNU_GetLongFieldAsPtr(env, sData, pDataID); |
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if (ops == NULL) { |
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if (!(*env)->ExceptionOccurred(env) && |
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!(*env)->IsInstanceOf(env, sData, pNullSurfaceDataClass)) |
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{ |
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if (!(*env)->GetBooleanField(env, sData, validID)) { |
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SurfaceData_ThrowInvalidPipeException(env, "invalid data"); |
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} else { |
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JNU_ThrowNullPointerException(env, "native ops missing"); |
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} |
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} |
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} else if (callSetup) { |
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SurfaceData_InvokeSetup(env, ops); |
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} |
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return ops; |
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} |
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JNIEXPORT SurfaceDataOps * JNICALL |
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SurfaceData_GetOps(JNIEnv *env, jobject sData) |
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{ |
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return GetSDOps(env, sData, JNI_TRUE); |
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} |
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JNIEXPORT SurfaceDataOps * JNICALL |
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SurfaceData_GetOpsNoSetup(JNIEnv *env, jobject sData) |
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{ |
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return GetSDOps(env, sData, JNI_FALSE); |
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} |
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JNIEXPORT void JNICALL |
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SurfaceData_SetOps(JNIEnv *env, jobject sData, SurfaceDataOps *ops) |
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{ |
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if (JNU_GetLongFieldAsPtr(env, sData, pDataID) == NULL) { |
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JNU_SetLongFieldFromPtr(env, sData, pDataID, ops); |
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/* Register the data for disposal */ |
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Disposer_AddRecord(env, sData, |
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SurfaceData_DisposeOps, |
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ptr_to_jlong(ops)); |
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} else { |
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JNU_ThrowInternalError(env, "Attempting to set SurfaceData ops twice"); |
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} |
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} |
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JNIEXPORT void JNICALL |
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SurfaceData_ThrowInvalidPipeException(JNIEnv *env, const char *msg) |
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{ |
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(*env)->ThrowNew(env, pInvalidPipeClass, msg); |
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} |
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#define GETMIN(v1, v2) (((v1) > (t=(v2))) && ((v1) = t)) |
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#define GETMAX(v1, v2) (((v1) < (t=(v2))) && ((v1) = t)) |
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JNIEXPORT void JNICALL |
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SurfaceData_IntersectBounds(SurfaceDataBounds *dst, SurfaceDataBounds *src) |
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{ |
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int t; |
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GETMAX(dst->x1, src->x1); |
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GETMAX(dst->y1, src->y1); |
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GETMIN(dst->x2, src->x2); |
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GETMIN(dst->y2, src->y2); |
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} |
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JNIEXPORT void JNICALL |
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SurfaceData_IntersectBoundsXYXY(SurfaceDataBounds *bounds, |
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jint x1, jint y1, jint x2, jint y2) |
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{ |
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int t; |
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GETMAX(bounds->x1, x1); |
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GETMAX(bounds->y1, y1); |
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GETMIN(bounds->x2, x2); |
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GETMIN(bounds->y2, y2); |
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} |
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JNIEXPORT void JNICALL |
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SurfaceData_IntersectBoundsXYWH(SurfaceDataBounds *bounds, |
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jint x, jint y, jint w, jint h) |
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{ |
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w = (w <= 0) ? x : x+w; |
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if (w < x) { |
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w = 0x7fffffff; |
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} |
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if (bounds->x1 < x) { |
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bounds->x1 = x; |
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} |
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if (bounds->x2 > w) { |
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bounds->x2 = w; |
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} |
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h = (h <= 0) ? y : y+h; |
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if (h < y) { |
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h = 0x7fffffff; |
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} |
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if (bounds->y1 < y) { |
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bounds->y1 = y; |
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} |
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if (bounds->y2 > h) { |
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bounds->y2 = h; |
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} |
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} |
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JNIEXPORT void JNICALL |
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SurfaceData_IntersectBlitBounds(SurfaceDataBounds *src, |
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SurfaceDataBounds *dst, |
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jint dx, jint dy) |
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{ |
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int t; |
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GETMAX(dst->x1, src->x1 + dx); |
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GETMAX(dst->y1, src->y1 + dy); |
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GETMIN(dst->x2, src->x2 + dx); |
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GETMIN(dst->y2, src->y2 + dy); |
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GETMAX(src->x1, dst->x1 - dx); |
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GETMAX(src->y1, dst->y1 - dy); |
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GETMIN(src->x2, dst->x2 - dx); |
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GETMIN(src->y2, dst->y2 - dy); |
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} |
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JNIEXPORT SurfaceDataOps * JNICALL |
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SurfaceData_InitOps(JNIEnv *env, jobject sData, int opsSize) |
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{ |
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SurfaceDataOps *ops = malloc(opsSize); |
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SurfaceData_SetOps(env, sData, ops); |
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if (ops != NULL) { |
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memset(ops, 0, opsSize); |
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if (!(*env)->ExceptionCheck(env)) { |
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ops->sdObject = (*env)->NewWeakGlobalRef(env, sData); |
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} |
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} |
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return ops; |
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} |
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void SurfaceData_DisposeOps(JNIEnv *env, jlong ops) |
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{ |
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if (ops != 0) { |
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SurfaceDataOps *sdops = (SurfaceDataOps*)jlong_to_ptr(ops); |
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/* Invoke the ops-specific disposal function */ |
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SurfaceData_InvokeDispose(env, sdops); |
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(*env)->DeleteWeakGlobalRef(env, sdops->sdObject); |
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free(sdops); |
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} |
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} |