1 | /*****************************************************************************/ |
2 | /* */ |
3 | /* convert.c */ |
4 | /* */ |
5 | /* Main target conversion module for the sp65 file and bitmap utility */ |
6 | /* */ |
7 | /* */ |
8 | /* */ |
9 | /* (C) 2012, Ullrich von Bassewitz */ |
10 | /* Roemerstrasse 52 */ |
11 | /* D-70794 Filderstadt */ |
12 | /* EMail: uz@cc65.org */ |
13 | /* */ |
14 | /* */ |
15 | /* This software is provided 'as-is', without any expressed or implied */ |
16 | /* warranty. In no event will the authors be held liable for any damages */ |
17 | /* arising from the use of this software. */ |
18 | /* */ |
19 | /* Permission is granted to anyone to use this software for any purpose, */ |
20 | /* including commercial applications, and to alter it and redistribute it */ |
21 | /* freely, subject to the following restrictions: */ |
22 | /* */ |
23 | /* 1. The origin of this software must not be misrepresented; you must not */ |
24 | /* claim that you wrote the original software. If you use this software */ |
25 | /* in a product, an acknowledgment in the product documentation would be */ |
26 | /* appreciated but is not required. */ |
27 | /* 2. Altered source versions must be plainly marked as such, and must not */ |
28 | /* be misrepresented as being the original software. */ |
29 | /* 3. This notice may not be removed or altered from any source */ |
30 | /* distribution. */ |
31 | /* */ |
32 | /*****************************************************************************/ |
33 | |
34 | |
35 | |
36 | #include <stdlib.h> |
37 | |
38 | /* sp65 */ |
39 | #include "attr.h" |
40 | #include "convert.h" |
41 | #include "error.h" |
42 | #include "geosbitmap.h" |
43 | #include "geosicon.h" |
44 | #include "koala.h" |
45 | #include "lynxsprite.h" |
46 | #include "raw.h" |
47 | #include "vic2sprite.h" |
48 | |
49 | |
50 | |
51 | /*****************************************************************************/ |
52 | /* Data */ |
53 | /*****************************************************************************/ |
54 | |
55 | |
56 | |
57 | /* Type of the entry in the converter table */ |
58 | typedef struct ConverterMapEntry ConverterMapEntry; |
59 | struct ConverterMapEntry { |
60 | const char* Format; |
61 | StrBuf* (*ConvertFunc) (const Bitmap*, const Collection*); |
62 | }; |
63 | |
64 | /* Converter table, alphabetically sorted */ |
65 | static const ConverterMapEntry ConverterMap[] = { |
66 | { "geos-bitmap" , GenGeosBitmap }, |
67 | { "geos-icon" , GenGeosIcon }, |
68 | { "koala" , GenKoala }, |
69 | { "lynx-sprite" , GenLynxSprite }, |
70 | { "raw" , GenRaw }, |
71 | { "vic2-sprite" , GenVic2Sprite }, |
72 | }; |
73 | |
74 | |
75 | |
76 | /*****************************************************************************/ |
77 | /* Code */ |
78 | /*****************************************************************************/ |
79 | |
80 | |
81 | |
82 | static int Compare (const void* Key, const void* MapEntry) |
83 | /* Compare function for bsearch */ |
84 | { |
85 | return strcmp (Key, ((const ConverterMapEntry*) MapEntry)->Format); |
86 | } |
87 | |
88 | |
89 | |
90 | StrBuf* ConvertTo (const Bitmap* B, const Collection* A) |
91 | /* Convert the bitmap B into some sort of other binary format. The output is |
92 | ** stored in a string buffer (which is actually a dynamic char array) and |
93 | ** returned. The actual output format is taken from the "format" attribute |
94 | ** in the attribute collection A. |
95 | */ |
96 | { |
97 | const ConverterMapEntry* E; |
98 | |
99 | /* Get the format to convert to */ |
100 | const char* Format = NeedAttrVal (A, "format" , "convert" ); |
101 | |
102 | /* Search for the matching converter */ |
103 | E = bsearch (Format, |
104 | ConverterMap, |
105 | sizeof (ConverterMap) / sizeof (ConverterMap[0]), |
106 | sizeof (ConverterMap[0]), |
107 | Compare); |
108 | if (E == 0) { |
109 | Error ("No such target format: '%s'" , Format); |
110 | } |
111 | |
112 | /* Do the conversion */ |
113 | return E->ConvertFunc (B, A); |
114 | } |
115 | |
116 | |
117 | |
118 | void ListConversionTargets (FILE* F) |
119 | /* Output a list of conversion targets */ |
120 | { |
121 | unsigned I; |
122 | for (I = 0; I < sizeof (ConverterMap) / sizeof (ConverterMap[0]); ++I) { |
123 | fprintf (F, " %s\n" , ConverterMap[I].Format); |
124 | } |
125 | } |
126 | |