author | pkbalakr |
Thu, 19 May 2016 16:34:36 +0530 | |
changeset 38984 | bbded3eab454 |
parent 26037 | 508779ce6619 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1999, 2016, 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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package sun.java2d.loops; |
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import java.awt.image.ColorModel; |
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import sun.awt.image.PixelConverter; |
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import java.util.HashMap; |
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/** |
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* A SurfaceType object provides a chained description of a type of |
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* drawing surface. The object will provide a single String constant |
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* descriptor which is one way of viewing or accessing a particular |
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* drawing surface as well as a pointer to another SurfaceType which |
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* describes the same drawing surface in a different (typically more |
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* generalized) way. |
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* <p> |
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* A more specific description of a surface is considered a "subtype" |
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* and a more general description is considered a "supertype". Thus, |
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* the deriveSubType method provides a way to create a new SurfaceType |
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* that is related to but more specific than an existing SurfaceType and |
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* the getSuperType method provides a way to ask a given SurfaceType |
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* for a more general way to describe the same surface. |
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* <p> |
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* Note that you cannot construct a brand new root for a chain since |
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* the constructor is private. Every chain of types must at some point |
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* derive from the Any node provided here using the deriveSubType() |
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* method. The presence of this common Any node on every chain |
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* ensures that all chains end with the DESC_ANY descriptor so that |
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* a suitable General GraphicsPrimitive object can be obtained for |
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* the indicated surface if all of the more specific searches fail. |
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*/ |
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public final class SurfaceType { |
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private static int unusedUID = 1; |
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private static HashMap<String, Integer> surfaceUIDMap = new HashMap<>(100); |
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/* |
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* CONSTANTS USED BY ALL PRIMITIVES TO DESCRIBE THE SURFACES |
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* THEY CAN OPERATE ON |
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*/ |
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/** |
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* surface is unknown color model or sample model. |
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*/ |
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public static final String |
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DESC_ANY = "Any Surface"; |
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/** |
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* common surface formats defined in BufferedImage |
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*/ |
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public static final String |
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DESC_INT_RGB = "Integer RGB"; |
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public static final String |
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DESC_INT_ARGB = "Integer ARGB"; |
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public static final String |
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DESC_INT_ARGB_PRE = "Integer ARGB Premultiplied"; |
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public static final String |
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DESC_INT_BGR = "Integer BGR"; |
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public static final String |
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DESC_3BYTE_BGR = "3 Byte BGR"; |
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public static final String |
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DESC_4BYTE_ABGR = "4 Byte ABGR"; |
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public static final String |
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DESC_4BYTE_ABGR_PRE = "4 Byte ABGR Premultiplied"; |
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public static final String |
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DESC_USHORT_565_RGB = "Short 565 RGB"; |
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public static final String |
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DESC_USHORT_555_RGB = "Short 555 RGB"; |
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public static final String |
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DESC_USHORT_555_RGBx= "Short 555 RGBx"; |
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public static final String |
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DESC_USHORT_4444_ARGB= "Short 4444 ARGB"; |
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public static final String |
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DESC_BYTE_GRAY = "8-bit Gray"; |
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public static final String |
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DESC_USHORT_INDEXED = "16-bit Indexed"; |
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public static final String |
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DESC_USHORT_GRAY = "16-bit Gray"; |
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public static final String |
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DESC_BYTE_BINARY = "Packed Binary Bitmap"; |
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public static final String |
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DESC_BYTE_INDEXED = "8-bit Indexed"; |
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/** |
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* wildcard format which indicates that the GraphicsPrimitive |
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* is independent of the color model on an IntegerComponent |
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* sample model surface |
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*/ |
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public static final String DESC_ANY_INT = "Any Discrete Integer"; |
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/** |
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* wildcard format which indicates that the GraphicsPrimitive |
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* is independent of the color model on a ShortComponent |
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* sample model surface |
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*/ |
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public static final String DESC_ANY_SHORT = "Any Discrete Short"; |
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/** |
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* wildcard format which indicates that the GraphicsPrimitive |
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* is independent of the color model on a ByteComponent |
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* sample model surface |
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*/ |
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public static final String DESC_ANY_BYTE = "Any Discrete Byte"; |
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/** |
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* wildcard format which indicates that the GraphicsPrimitive |
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* operates on a surface with 3 component interleaved Raster and |
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* sample model and a ComponentColorModel with an arbitrary ordering |
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* of the RGB channels |
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*/ |
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public static final String DESC_ANY_3BYTE = "Any 3 Byte Component"; |
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/** |
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* wildcard format which indicates that the GraphicsPrimitive |
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* operates on a surface with 4 component interleaved Raster and |
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* sample model and a ComponentColorModel with an arbitrary ordering |
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* of the ARGB channels |
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*/ |
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public static final String DESC_ANY_4BYTE = "Any 4 Byte Component"; |
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/** |
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* wildcard format which indicates that the GraphicsPrimitive |
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* operates on a surface with a single component IntegerComponent |
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* sample model and a DirectColorModel with an arbitrary ordering |
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* of the RGB channels |
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*/ |
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public static final String DESC_ANY_INT_DCM = "Any Integer DCM"; |
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/** |
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* additional IntegerComponent types common on Windows |
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*/ |
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public static final String DESC_INT_RGBx = "Integer RGBx"; |
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public static final String DESC_INT_BGRx = "Integer BGRx"; |
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/** |
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* additional 3 byte format common on Windows |
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*/ |
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public static final String DESC_3BYTE_RGB = "3 Byte RGB"; |
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/** |
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* common formats for BITMASK transparency. |
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*/ |
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public static final String DESC_INT_ARGB_BM = "Int ARGB (Bitmask)"; |
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public static final String DESC_BYTE_INDEXED_BM = "8-bit Indexed (Bitmask)"; |
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/** |
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* Opaque 8-bit indexed images |
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*/ |
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public static final String |
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DESC_BYTE_INDEXED_OPAQUE = "8-bit Indexed (Opaque)"; |
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/** |
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* Special Gray Scale types for rendering loops. Really indexed |
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* types, but colormap has all gray values. |
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*/ |
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public static final String DESC_INDEX8_GRAY = "8-bit Palettized Gray"; |
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public static final String DESC_INDEX12_GRAY = "12-bit Palettized Gray"; |
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public static final String |
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DESC_BYTE_BINARY_1BIT = "Packed Binary 1-bit Bitmap"; |
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public static final String |
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DESC_BYTE_BINARY_2BIT = "Packed Binary 2-bit Bitmap"; |
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public static final String |
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DESC_BYTE_BINARY_4BIT = "Packed Binary 4-bit Bitmap"; |
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/** |
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* Special type for describing the sources of loops that render the |
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* current foreground color or paint instead of copying colors from |
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* a source surface. |
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*/ |
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public static final String DESC_ANY_PAINT = "Paint Object"; |
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public static final String DESC_ANY_COLOR = "Single Color"; |
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public static final String DESC_OPAQUE_COLOR = "Opaque Color"; |
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public static final String |
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DESC_GRADIENT_PAINT = "Gradient Paint"; |
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public static final String |
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DESC_OPAQUE_GRADIENT_PAINT = "Opaque Gradient Paint"; |
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public static final String |
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DESC_TEXTURE_PAINT = "Texture Paint"; |
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public static final String |
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DESC_OPAQUE_TEXTURE_PAINT = "Opaque Texture Paint"; |
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public static final String |
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DESC_LINEAR_GRADIENT_PAINT = "Linear Gradient Paint"; |
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public static final String |
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DESC_OPAQUE_LINEAR_GRADIENT_PAINT = "Opaque Linear Gradient Paint"; |
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public static final String |
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DESC_RADIAL_GRADIENT_PAINT = "Radial Gradient Paint"; |
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public static final String |
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DESC_OPAQUE_RADIAL_GRADIENT_PAINT = "Opaque Radial Gradient Paint"; |
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/* |
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* END OF SURFACE TYPE CONSTANTS |
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*/ |
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/** |
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* The root SurfaceType object for all chains of surface descriptions. |
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* The root uses the default PixelConverter object, which uses a given |
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* ColorModel object to calculate its pixelFor() values when asked. |
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* Any SurfaceType objects that are not created with a specific |
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* PixelConverter object will inherit this behavior from the root. |
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*/ |
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public static final SurfaceType Any = |
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new SurfaceType(null, DESC_ANY, PixelConverter.instance); |
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/* |
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* START OF SurfaceType OBJECTS FOR THE VARIOUS CONSTANTS |
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*/ |
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public static final SurfaceType |
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AnyInt = Any.deriveSubType(DESC_ANY_INT); |
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public static final SurfaceType |
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AnyShort = Any.deriveSubType(DESC_ANY_SHORT); |
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public static final SurfaceType |
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AnyByte = Any.deriveSubType(DESC_ANY_BYTE); |
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public static final SurfaceType |
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AnyByteBinary = Any.deriveSubType(DESC_BYTE_BINARY); |
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public static final SurfaceType |
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Any3Byte = Any.deriveSubType(DESC_ANY_3BYTE); |
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public static final SurfaceType |
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Any4Byte = Any.deriveSubType(DESC_ANY_4BYTE); |
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public static final SurfaceType |
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AnyDcm = AnyInt.deriveSubType(DESC_ANY_INT_DCM); |
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public static final SurfaceType |
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Custom = Any; |
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public static final SurfaceType IntRgb = |
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AnyDcm.deriveSubType(DESC_INT_RGB, PixelConverter.Xrgb.instance); |
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public static final SurfaceType IntArgb = |
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AnyDcm.deriveSubType(DESC_INT_ARGB, PixelConverter.Argb.instance); |
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public static final SurfaceType IntArgbPre = |
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AnyDcm.deriveSubType(DESC_INT_ARGB_PRE, |
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PixelConverter.ArgbPre.instance); |
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public static final SurfaceType IntBgr = |
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AnyDcm.deriveSubType(DESC_INT_BGR, PixelConverter.Xbgr.instance); |
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public static final SurfaceType ThreeByteBgr = |
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Any3Byte.deriveSubType(DESC_3BYTE_BGR, PixelConverter.Xrgb.instance); |
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public static final SurfaceType FourByteAbgr = |
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Any4Byte.deriveSubType(DESC_4BYTE_ABGR, PixelConverter.Rgba.instance); |
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public static final SurfaceType FourByteAbgrPre = |
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Any4Byte.deriveSubType(DESC_4BYTE_ABGR_PRE, |
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PixelConverter.RgbaPre.instance); |
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public static final SurfaceType Ushort565Rgb = |
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AnyShort.deriveSubType(DESC_USHORT_565_RGB, |
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PixelConverter.Ushort565Rgb.instance); |
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public static final SurfaceType Ushort555Rgb = |
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AnyShort.deriveSubType(DESC_USHORT_555_RGB, |
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PixelConverter.Ushort555Rgb.instance); |
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public static final SurfaceType Ushort555Rgbx = |
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AnyShort.deriveSubType(DESC_USHORT_555_RGBx, |
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PixelConverter.Ushort555Rgbx.instance); |
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public static final SurfaceType Ushort4444Argb = |
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AnyShort.deriveSubType(DESC_USHORT_4444_ARGB, |
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PixelConverter.Ushort4444Argb.instance); |
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public static final SurfaceType UshortIndexed = |
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AnyShort.deriveSubType(DESC_USHORT_INDEXED); |
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public static final SurfaceType ByteGray = |
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AnyByte.deriveSubType(DESC_BYTE_GRAY, |
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PixelConverter.ByteGray.instance); |
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public static final SurfaceType UshortGray = |
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AnyShort.deriveSubType(DESC_USHORT_GRAY, |
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PixelConverter.UshortGray.instance); |
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public static final SurfaceType ByteBinary1Bit = |
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AnyByteBinary.deriveSubType(DESC_BYTE_BINARY_1BIT); |
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public static final SurfaceType ByteBinary2Bit = |
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AnyByteBinary.deriveSubType(DESC_BYTE_BINARY_2BIT); |
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public static final SurfaceType ByteBinary4Bit = |
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AnyByteBinary.deriveSubType(DESC_BYTE_BINARY_4BIT); |
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public static final SurfaceType ByteIndexed = |
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AnyByte.deriveSubType(DESC_BYTE_INDEXED); |
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public static final SurfaceType IntRgbx = |
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AnyDcm.deriveSubType(DESC_INT_RGBx, PixelConverter.Rgbx.instance); |
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public static final SurfaceType IntBgrx = |
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AnyDcm.deriveSubType(DESC_INT_BGRx, PixelConverter.Bgrx.instance); |
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public static final SurfaceType ThreeByteRgb = |
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Any3Byte.deriveSubType(DESC_3BYTE_RGB, PixelConverter.Xbgr.instance); |
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public static final SurfaceType IntArgbBm = |
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AnyDcm.deriveSubType(DESC_INT_ARGB_BM, PixelConverter.ArgbBm.instance); |
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public static final SurfaceType ByteIndexedBm = |
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ByteIndexed.deriveSubType(DESC_BYTE_INDEXED_BM); |
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public static final SurfaceType ByteIndexedOpaque = |
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ByteIndexedBm.deriveSubType(DESC_BYTE_INDEXED_OPAQUE); |
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public static final SurfaceType Index8Gray = |
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ByteIndexedOpaque.deriveSubType(DESC_INDEX8_GRAY); |
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public static final SurfaceType Index12Gray = |
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Any.deriveSubType(DESC_INDEX12_GRAY); |
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333 |
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public static final SurfaceType AnyPaint = |
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Any.deriveSubType(DESC_ANY_PAINT); |
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336 |
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337 |
public static final SurfaceType AnyColor = |
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AnyPaint.deriveSubType(DESC_ANY_COLOR); |
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339 |
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public static final SurfaceType OpaqueColor = |
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AnyColor.deriveSubType(DESC_OPAQUE_COLOR); |
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342 |
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public static final SurfaceType GradientPaint = |
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AnyPaint.deriveSubType(DESC_GRADIENT_PAINT); |
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public static final SurfaceType OpaqueGradientPaint = |
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GradientPaint.deriveSubType(DESC_OPAQUE_GRADIENT_PAINT); |
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347 |
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public static final SurfaceType LinearGradientPaint = |
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AnyPaint.deriveSubType(DESC_LINEAR_GRADIENT_PAINT); |
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public static final SurfaceType OpaqueLinearGradientPaint = |
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LinearGradientPaint.deriveSubType(DESC_OPAQUE_LINEAR_GRADIENT_PAINT); |
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352 |
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public static final SurfaceType RadialGradientPaint = |
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AnyPaint.deriveSubType(DESC_RADIAL_GRADIENT_PAINT); |
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public static final SurfaceType OpaqueRadialGradientPaint = |
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RadialGradientPaint.deriveSubType(DESC_OPAQUE_RADIAL_GRADIENT_PAINT); |
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357 |
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public static final SurfaceType TexturePaint = |
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AnyPaint.deriveSubType(DESC_TEXTURE_PAINT); |
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public static final SurfaceType OpaqueTexturePaint = |
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TexturePaint.deriveSubType(DESC_OPAQUE_TEXTURE_PAINT); |
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362 |
||
363 |
/* |
|
364 |
* END OF SurfaceType OBJECTS FOR THE VARIOUS CONSTANTS |
|
365 |
*/ |
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366 |
||
367 |
/** |
|
368 |
* Return a new SurfaceType object which uses this object as its |
|
369 |
* more general "supertype" descriptor. If no operation can be |
|
370 |
* found that manipulates the type of surface described more exactly |
|
371 |
* by desc, then this object will define the more relaxed specification |
|
372 |
* of the surface that can be used to find a more general operator. |
|
373 |
*/ |
|
374 |
public SurfaceType deriveSubType(String desc) { |
|
375 |
return new SurfaceType(this, desc); |
|
376 |
} |
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377 |
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378 |
public SurfaceType deriveSubType(String desc, |
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379 |
PixelConverter pixelConverter) { |
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380 |
return new SurfaceType(this, desc, pixelConverter); |
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381 |
} |
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382 |
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383 |
private int uniqueID; |
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384 |
private String desc; |
|
385 |
private SurfaceType next; |
|
386 |
protected PixelConverter pixelConverter; |
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387 |
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388 |
private SurfaceType(SurfaceType parent, String desc, |
|
389 |
PixelConverter pixelConverter) { |
|
390 |
next = parent; |
|
391 |
this.desc = desc; |
|
392 |
this.uniqueID = makeUniqueID(desc); |
|
393 |
this.pixelConverter = pixelConverter; |
|
394 |
} |
|
395 |
||
396 |
private SurfaceType(SurfaceType parent, String desc) { |
|
397 |
next = parent; |
|
398 |
this.desc = desc; |
|
399 |
this.uniqueID = makeUniqueID(desc); |
|
400 |
this.pixelConverter = parent.pixelConverter; |
|
401 |
} |
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public static synchronized int makeUniqueID(String desc) { |
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Integer i = surfaceUIDMap.get(desc); |
2 | 405 |
|
406 |
if (i == null) { |
|
407 |
if (unusedUID > 255) { |
|
408 |
throw new InternalError("surface type id overflow"); |
|
409 |
} |
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i = Integer.valueOf(unusedUID++); |
2 | 411 |
surfaceUIDMap.put(desc, i); |
412 |
} |
|
413 |
return i.intValue(); |
|
414 |
} |
|
415 |
||
416 |
public int getUniqueID() { |
|
417 |
return uniqueID; |
|
418 |
} |
|
419 |
||
420 |
public String getDescriptor() { |
|
421 |
return desc; |
|
422 |
} |
|
423 |
||
424 |
public SurfaceType getSuperType() { |
|
425 |
return next; |
|
426 |
} |
|
427 |
||
428 |
public PixelConverter getPixelConverter() { |
|
429 |
return pixelConverter; |
|
430 |
} |
|
431 |
||
432 |
public int pixelFor(int rgb, ColorModel cm) { |
|
433 |
return pixelConverter.rgbToPixel(rgb, cm); |
|
434 |
} |
|
435 |
||
436 |
public int rgbFor(int pixel, ColorModel cm) { |
|
437 |
return pixelConverter.pixelToRgb(pixel, cm); |
|
438 |
} |
|
439 |
||
440 |
public int getAlphaMask() { |
|
441 |
return pixelConverter.getAlphaMask(); |
|
442 |
} |
|
443 |
||
444 |
public int hashCode() { |
|
445 |
return desc.hashCode(); |
|
446 |
} |
|
447 |
||
448 |
public boolean equals(Object o) { |
|
449 |
if (o instanceof SurfaceType) { |
|
450 |
return (((SurfaceType) o).uniqueID == this.uniqueID); |
|
451 |
} |
|
452 |
return false; |
|
453 |
} |
|
454 |
||
455 |
public String toString() { |
|
456 |
return desc; |
|
457 |
} |
|
458 |
||
459 |
} |