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 */
58typedef struct ConverterMapEntry ConverterMapEntry;
59struct ConverterMapEntry {
60 const char* Format;
61 StrBuf* (*ConvertFunc) (const Bitmap*, const Collection*);
62};
63
64/* Converter table, alphabetically sorted */
65static 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
82static 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
90StrBuf* 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
118void 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