| /* | |
| * Copyright (c) 2019, 2021, 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. | |
| */ | |
| #ifndef MTLComposite_h_Included | |
| #define MTLComposite_h_Included | |
| #import <Metal/Metal.h> | |
| #include <jni.h> | |
| #define FLT_EPS (0.001f) | |
| #define FLT_LT(x,y) ((x) < (y) - FLT_EPS) | |
| #define FLT_GE(x,y) ((x) >= (y) - FLT_EPS) | |
| #define FLT_LE(x,y) ((x) <= (y) + FLT_EPS) | |
| #define FLT_GT(x,y) ((x) > (y) + FLT_EPS) | |
| /** | |
| * The MTLComposite class represents composite mode | |
| * */ | |
| @interface MTLComposite : NSObject | |
| - (id)init; | |
| - (BOOL)isEqual:(MTLComposite *)other; // used to compare requested with cached | |
| - (void)copyFrom:(MTLComposite *)other; // used to save cached | |
| - (void)setRule:(jint)rule; // sets extraAlpha=1 | |
| - (void)setRule:(jint)rule extraAlpha:(jfloat)extraAlpha; | |
| - (void)reset; | |
| - (void)setXORComposite:(jint)color; | |
| - (void)setAlphaComposite:(jint)rule; | |
| - (jint)getCompositeState; | |
| - (jint)getRule; | |
| - (jint)getXorColor; | |
| - (jfloat)getExtraAlpha; | |
| - (NSString *)getDescription; // creates autorelease string | |
| @end | |
| #endif // MTLComposite_h_Included |