1 /*
2  * Copyright (c) 2000, 2008, 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 Ushort565Rgb_h_Included
27 #define Ushort565Rgb_h_Included
28 
29 /*
30  * This file contains macro and type definitions used by the macros in
31  * LoopMacros.h to manipulate a surface of type "Ushort565Rgb".
32  */
33 
34 typedef jushort Ushort565RgbPixelType;
35 typedef jushort Ushort565RgbDataType;
36 
37 #define Ushort565RgbIsOpaque 1
38 
39 #define Ushort565RgbPixelStride         2
40 
41 #define DeclareUshort565RgbLoadVars(PREFIX)
42 #define DeclareUshort565RgbStoreVars(PREFIX)
43 #define SetUshort565RgbStoreVarsYPos(PREFIX, pRasInfo, y)
44 #define SetUshort565RgbStoreVarsXPos(PREFIX, pRasInfo, x)
45 #define InitUshort565RgbLoadVars(PREFIX, pRasInfo)
46 #define InitUshort565RgbStoreVarsY(PREFIX, pRasInfo)
47 #define InitUshort565RgbStoreVarsX(PREFIX, pRasInfo)
48 #define NextUshort565RgbStoreVarsX(PREFIX)
49 #define NextUshort565RgbStoreVarsY(PREFIX)
50 #define DeclareUshort565RgbPixelData(PREFIX)
51 #define ExtractUshort565RgbPixelData(PIXEL, PREFIX)
52 
53 #define Ushort565RgbXparLutEntry                -1
54 #define Ushort565RgbIsXparLutEntry(pix)         (pix < 0)
55 #define StoreUshort565RgbNonXparFromArgb        StoreUshort565RgbFrom1IntArgb
56 
57 
58 #define ComposeUshort565RgbFrom3ByteRgb(r, g, b) \
59     (Ushort565RgbPixelType)((((r) >> 3) << 11) | \
60                             (((g) >> 2) <<  5) | \
61                             (((b) >> 3) <<  0))
62 
63 #define IntArgbToUshort565Rgb(rgb) \
64     (Ushort565RgbPixelType)((((rgb) >> (16 + 3 - 11)) & 0xf800) | \
65                             (((rgb) >> ( 8 + 2 -  5)) & 0x07e0) | \
66                             (((rgb) >> ( 0 + 3 -  0)) & 0x001f))
67 
68 #define Ushort565RgbPixelFromArgb(pixel, rgb, pRasInfo) \
69     (pixel) = IntArgbToUshort565Rgb(rgb)
70 
71 #define StoreUshort565RgbPixel(pRas, x, pixel) \
72     ((pRas)[x] = (jushort) (pixel))
73 
74 #define StoreUshort565RgbPixelData(pPix, x, pixel, PREFIX) \
75     StoreUshort565RgbPixel(pPix, x, pixel)
76 
77 
78 #define LoadUshort565RgbTo3ByteRgb(pRas, PREFIX, x, r, g, b) \
79     do { \
80         jushort pixel = (pRas)[x]; \
81         (r) = ((pixel) >> 11) & 0x1f; \
82         (r) = ((r) << 3) | ((r) >> 2); \
83         (g) = ((pixel) >>  5) & 0x3f; \
84         (g) = ((g) << 2) | ((g) >> 4); \
85         (b) = ((pixel) >>  0) & 0x1f; \
86         (b) = ((b) << 3) | ((b) >> 2); \
87     } while (0)
88 
89 #define LoadUshort565RgbTo4ByteArgb(pRas, PREFIX, x, a, r, g, b) \
90     do { \
91         LoadUshort565RgbTo3ByteRgb(pRas, PREFIX, x, r, g, b) \
92         (a) = 0xff; \
93     } while (0)
94 
95 #define StoreUshort565RgbFrom1IntArgb(pRas, PREFIX, x, rgb) \
96     (pRas)[x] = IntArgbToUshort565Rgb(rgb)
97 
98 #define StoreUshort565RgbFrom1IntRgb(pRas, PREFIX, x, rgb) \
99     StoreUshort565RgbFrom1IntArgb(pRas, PREFIX, x, rgb)
100 
101 #define StoreUshort565RgbFrom3ByteRgb(pRas, PREFIX, x, r, g, b) \
102     (pRas)[x] = (jushort) ComposeUshort565RgbFrom3ByteRgb(r, g, b)
103 
104 #define StoreUshort565RgbFrom4ByteArgb(pRas, PREFIX, x, a, r, g, b) \
105     StoreUshort565RgbFrom3ByteRgb(pRas, PREFIX, x, r, g, b)
106 
107 
108 #define DeclareUshort565RgbAlphaLoadData(PREFIX)
109 #define InitUshort565RgbAlphaLoadData(PREFIX, pRasInfo)
110 
111 #define LoadAlphaFromUshort565RgbFor4ByteArgb(pRas, PREFIX, COMP_PREFIX) \
112     COMP_PREFIX ## A = 0xff
113 
114 #define Postload4ByteArgbFromUshort565Rgb(pRas, PREFIX, COMP_PREFIX) \
115     LoadUshort565RgbTo3ByteRgb(pRas, PREFIX, 0, COMP_PREFIX ## R, \
116                                COMP_PREFIX ## G, COMP_PREFIX ## B)
117 
118 
119 #define Ushort565RgbIsPremultiplied     0
120 
121 #define DeclareUshort565RgbBlendFillVars(PREFIX) \
122     jushort PREFIX;
123 
124 #define ClearUshort565RgbBlendFillVars(PREFIX, argb) \
125     PREFIX = 0
126 
127 #define InitUshort565RgbBlendFillVarsNonPre(PREFIX, argb, COMP_PREFIX) \
128     PREFIX = (jushort) ComposeUshort565RgbFrom3ByteRgb(COMP_PREFIX ## R, \
129                                                        COMP_PREFIX ## G, \
130                                                        COMP_PREFIX ## B)
131 
132 #define InitUshort565RgbBlendFillVarsPre(PREFIX, argb, COMP_PREFIX)
133 
134 #define StoreUshort565RgbBlendFill(pRas, PREFIX, x, argb, COMP_PREFIX) \
135     (pRas)[x] = PREFIX
136 
137 #define StoreUshort565RgbFrom4ByteArgbComps(pRas, PREFIX, x, COMP_PREFIX) \
138     StoreUshort565RgbFrom4ByteArgb(pRas, PREFIX, x, \
139                                    COMP_PREFIX ## A, COMP_PREFIX ## R, \
140                                    COMP_PREFIX ## G, COMP_PREFIX ## B)
141 
142 #endif /* Ushort565Rgb_h_Included */
143