1 /*
  2  * Copyright (c) 2019, 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 #ifndef MTLPaints_h_Included
 27 #define MTLPaints_h_Included
 28 
 29 #import <Metal/Metal.h>
 30 
 31 #include "MTLSurfaceDataBase.h"
 32 
 33 #define sun_java2d_SunGraphics2D_PAINT_UNDEFINED -1
 34 
 35 @class MTLComposite;
 36 @class MTLClip;
 37 @class MTLPipelineStatesStorage;
 38 
 39 /**
 40  * The MTLPaint class represents paint mode (color, gradient, e.t.c.)
 41  * */
 42 
 43 @interface MTLPaint : NSObject
 44 - (id)init;
 45 - (BOOL)isEqual:(MTLPaint *)other; // used to compare requested with cached
 46 - (void)copyFrom:(MTLPaint *)other; // used to save cached
 47 - (NSString *)getDescription;
 48 - (jint)getColor;
 49 - (void)reset;
 50 
 51 - (void)setColor:(jint)pixelColor;
 52 - (void)setGradientUseMask:(jboolean)useMask
 53                     cyclic:(jboolean)cyclic
 54                         p0:(jdouble)p0
 55                         p1:(jdouble)p1
 56                         p3:(jdouble)p3
 57                     pixel1:(jint)pixel1
 58                     pixel2:(jint)pixel2;
 59 
 60 - (void)setLinearGradient:(jboolean)useMask
 61                    linear:(jboolean)linear
 62               cycleMethod:(jboolean)cycleMethod
 63                  numStops:(jint)numStops
 64                        p0:(jfloat)p0
 65                        p1:(jfloat)p1
 66                        p3:(jfloat)p3
 67                 fractions:(void *)fractions
 68                    pixels:(void *)pixels;
 69 
 70 - (void)setRadialGradient:(jboolean)useMask
 71                    linear:(jboolean)linear
 72               cycleMethod:(jboolean)cycleMethod
 73                  numStops:(jint)numStops
 74                       m00:(jfloat)m00
 75                       m01:(jfloat)m01
 76                       m02:(jfloat)m02
 77                       m10:(jfloat)m10
 78                       m11:(jfloat)m11
 79                       m12:(jfloat)m12
 80                    focusX:(jfloat)focusX
 81                 fractions:(void *)fractions
 82                    pixels:(void *)pixels;
 83 
 84 - (void)setTexture:(jboolean)useMask
 85            textureID:(id<MTLTexture>)textureID
 86             filter:(jboolean)filter
 87                xp0:(jdouble)xp0
 88                xp1:(jdouble)xp1
 89                xp3:(jdouble)xp3
 90                yp0:(jdouble)yp0
 91                yp1:(jdouble)yp1
 92                yp3:(jdouble)yp3;
 93 
 94 // For the current paint mode and passed composite (and flags):
 95 // 1. Selects vertex+fragment shader (and corresponding pipelineDesc) and set pipelineState
 96 // 2. Prepares corresponding buffers of vertex and fragment shaders
 97 - (void)setPipelineState:(id<MTLRenderCommandEncoder>)encoder
 98                composite:(MTLComposite *)composite
 99            isStencilUsed:(jboolean)isStencilUsed
100                isTexture:(jboolean)isTexture
101            interpolation:(int)interpolation
102                 srcFlags:(const SurfaceRasterFlags *)srcFlags
103                 dstFlags:(const SurfaceRasterFlags *)dstFlags
104     pipelineStateStorage:(MTLPipelineStatesStorage *)pipelineStateStorage;
105 
106 - (void)setXorModePipelineState:(id<MTLRenderCommandEncoder>)encoder
107                composite:(MTLComposite *)composite
108            isStencilUsed:(jboolean)isStencilUsed
109                isTexture:(jboolean)isTexture
110            interpolation:(int)interpolation
111                 srcFlags:(const SurfaceRasterFlags *)srcFlags
112                 dstFlags:(const SurfaceRasterFlags *)dstFlags
113     pipelineStateStorage:(MTLPipelineStatesStorage *)pipelineStateStorage;
114 @end
115 
116 #endif /* MTLPaints_h_Included */