/src/main/java/org/distorted/library/main/DistortedSurface.java - Annotate - Distorted Android

library / src / main / java / org / distorted / library / main / DistortedSurface.java @ ccd98f1c

1	c5369f1b	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
2			// Copyright 2016 Leszek Koltunski //
3			// //
4			// This file is part of Distorted. //
5			// //
6			// Distorted is free software: you can redistribute it and/or modify //
7			// it under the terms of the GNU General Public License as published by //
8			// the Free Software Foundation, either version 2 of the License, or //
9			// (at your option) any later version. //
10			// //
11			// Distorted is distributed in the hope that it will be useful, //
12			// but WITHOUT ANY WARRANTY; without even the implied warranty of //
13			// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
14			// GNU General Public License for more details. //
15			// //
16			// You should have received a copy of the GNU General Public License //
17			// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
18			///////////////////////////////////////////////////////////////////////////////////////////////////
19
20	fe82a979	Leszek Koltunski	package org.distorted.library.main;
21	c5369f1b	leszek
22	12f9e4bb	Leszek Koltunski	import android.opengl.GLES31;
23	af4cc5db	Leszek Koltunski
24	715e7726	Leszek Koltunski	import org.distorted.library.mesh.MeshBase;
25	6c00149d	Leszek Koltunski
26	12f9e4bb	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
27			/**
28			* This is not really part of the public API.
29			*
30			* @y.exclude
31			*/
32			public abstract class DistortedSurface extends DistortedObject
33	226144d0	leszek	{
34	c7da4e65	leszek	int mColorCreated;
35	9ed80185	Leszek Koltunski	int mNumColors;
36	9d845904	Leszek Koltunski	int mNumFBOs;
37	9ed80185	Leszek Koltunski	int[] mColorH;
38	6e7c8721	Leszek Koltunski	int mWidth, mHeight;
39	af4cc5db	Leszek Koltunski
40	af27df87	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
41
42	9d845904	Leszek Koltunski	DistortedSurface(int width, int height, int create, int numfbos, int numcolors, int type)
43	af4cc5db	Leszek Koltunski	{
44	ccd98f1c	Leszek Koltunski	super(type);
45
46			if( create!=DONT_CREATE ) markForCreation();
47	226144d0	leszek
48	9d845904	Leszek Koltunski	mNumFBOs = numfbos;
49	9ed80185	Leszek Koltunski	mNumColors = numcolors;
50	6e7c8721	Leszek Koltunski	mWidth = width ;
51			mHeight = height;
52	c7da4e65	leszek	mColorCreated = create;
53	9ed80185	Leszek Koltunski
54	9d845904	Leszek Koltunski	int total = mNumFBOs*mNumColors;
55
56			if( total>0 )
57	9ed80185	Leszek Koltunski	{
58	9d845904	Leszek Koltunski	mColorH = new int[total];
59			for( int i=0; i<total; i++ ) mColorH[i] = 0;
60	9ed80185	Leszek Koltunski	}
61	af4cc5db	Leszek Koltunski	}
62
63	f28fffc2	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
64	226144d0	leszek	// debugging only
65	f28fffc2	Leszek Koltunski
66	226144d0	leszek	String printDetails()
67	f28fffc2	Leszek Koltunski	{
68	226144d0	leszek	return getClass().getSimpleName()+" "+mWidth+"x"+mHeight;
69	f28fffc2	Leszek Koltunski	}
70
71	af4cc5db	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
72			// PUBLIC API
73			///////////////////////////////////////////////////////////////////////////////////////////////////
74	c5369f1b	leszek	/**
75	3a70bd6d	leszek	* Return the width of this Surface.
76	af4cc5db	Leszek Koltunski	*
77	3a70bd6d	leszek	* @return width of the Object, in pixels.
78	c5369f1b	leszek	*/
79	af4cc5db	Leszek Koltunski	public int getWidth()
80			{
81	6e7c8721	Leszek Koltunski	return mWidth;
82	af4cc5db	Leszek Koltunski	}
83
84			///////////////////////////////////////////////////////////////////////////////////////////////////
85	c5369f1b	leszek	/**
86	3a70bd6d	leszek	* Return the height of this Surface.
87	af4cc5db	Leszek Koltunski	*
88	3a70bd6d	leszek	* @return height of the Object, in pixels.
89	c5369f1b	leszek	*/
90	af4cc5db	Leszek Koltunski	public int getHeight()
91			{
92	6e7c8721	Leszek Koltunski	return mHeight;
93	af4cc5db	Leszek Koltunski	}
94
95			///////////////////////////////////////////////////////////////////////////////////////////////////
96	c5369f1b	leszek	/**
97	8d52a49c	Leszek Koltunski	* Return the depth of this Surface.
98	af4cc5db	Leszek Koltunski	* <p>
99			* Admittedly quite a strange method. Why do we need to pass a Mesh to it? Because one cannot determine
100			* 'depth' of a Surface (bitmap really!) when rendered based only on the texture itself, that depends
101			* on the Mesh it is rendered with.
102			*
103			* @return depth of the Object, in pixels.
104	c5369f1b	leszek	*/
105	715e7726	Leszek Koltunski	public int getDepth(MeshBase mesh)
106	af4cc5db	Leszek Koltunski	{
107	6c00149d	Leszek Koltunski	return mesh==null ? 0 : (int)(mWidth*mesh.getZFactor() );
108	af4cc5db	Leszek Koltunski	}
109	12f9e4bb	Leszek Koltunski
110			///////////////////////////////////////////////////////////////////////////////////////////////////
111			/**
112			* Bind the underlying rectangle of pixels as a OpenGL Texture.
113			*
114			* @return <code>true</code> if successful.
115			*/
116			public boolean setAsInput()
117			{
118			if( mColorH[0]>0 )
119			{
120			GLES31.glActiveTexture(GLES31.GL_TEXTURE0);
121			GLES31.glBindTexture(GLES31.GL_TEXTURE_2D, mColorH[0]);
122			return true;
123			}
124
125			return false;
126			}
127	226144d0	leszek	}

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library / src / main / java / org / distorted / library / main / DistortedSurface.java @ ccd98f1c