水無瀬 優 postmaster@katsura-kotonoha.sakura.ne.jp
http://katsura-kotonoha.sakura.ne.jp/prog/code/exe2ico/rsrc2ico_cpp.shtml
| 水無瀬の部屋 > Programming > sample > exe2ico > rsrc2ico.cpp |
|---|
1: //*********************************************************
2: // プロジェクト: getico
3: // ファイル名: rsrc2ico.cpp
4: //*********************************************************
5: #include "rsrc2ico.h"
6: #include "util.h"
7: #include <filefmt/icofile.h>
8:
9:
10: //---------------------------------------------------------
11: // ファイルスコープ関数 の 宣言
12: //---------------------------------------------------------
13: static size_t put_ifh( BYTE *buf, size_t bufsize, size_t offset, const ICONFILEHEAD *ifh );
14: static size_t put_iih( BYTE *buf, size_t bufsize, size_t offset, const ICONRESINF *iri, size_t img_offset );
15: static size_t put_img( BYTE *buf, size_t bufsize, size_t offset, HMODULE hModule, const char *id, size_t size );
16: static size_t put_icons( BYTE *buf, size_t bufsize, size_t offset, const ICONRESINF *iri, int num, HMODULE hModule );
17: static size_t put_icon( BYTE *buf, size_t bufsize, size_t iih_offset, size_t img_offset, const ICONRESINF *iri, HMODULE hModule );
18:
19:
20: //*********************************************************
21: // rsrc2ico
22: //*********************************************************
23: size_t
24: CALLBACK
25: rsrc2ico
26: (
27: BYTE *buf,
28: size_t bufsize,
29: HMODULE hModule,
30: const char *name,
31: const char *type
32: )
33: {
34: // パラメタの仮定
35: ASSERT( IsValidInstanceHandle( hModule ) );
36: ASSERT( IsValidResourceName( name ) );
37: ASSERT( IsValidResourceName( type ) );
38: ASSERT( buf || (0 == bufsize) );
39: ASSERT( !buf || IsValidPtr( buf, bufsize ) );
40: ASSERT( !buf || (DESTROY_BUFFER( buf, bufsize ), true) ); // [破壊]
41:
42: //
43: size_t size = 0;
44:
45: //
46: const void *src = GetResourcePtr( hModule, name, type );
47: if ( src )
48: {
49: //
50: const ICONFILEHEAD *ifh = static_cast<const ICONFILEHEAD *>( src );
51: size += put_ifh( buf, bufsize, size, ifh++ );
52:
53: //
54: const ICONRESINF *iri = static_cast<const ICONRESINF *>( static_cast<const void *>( ifh ) );
55: size += put_icons( buf, bufsize, size, iri, ifh->num, hModule );
56: }
57:
58: ASSERT( !buf || (size <= bufsize) );
59: ASSERT( !buf
60: || (size == rsrc2ico( null, 0, hModule, name, type ))
61: || (bufsize <= rsrc2ico( null, 0, hModule, name, type )) );
62: return size;
63: }//rsrc2ico
64:
65:
66: //******************************************************************************************************************
67: // private
68: //******************************************************************************************************************
69: //*********************************************************
70: // put_ifh
71: //*********************************************************
72: static
73: size_t
74: put_ifh
75: (
76: BYTE *buf,
77: size_t bufsize,
78: size_t offset,
79: const ICONFILEHEAD *ifh
80: )
81: {
82: // パラメタの仮定
83: ASSERT( buf || (0 == bufsize) );
84: ASSERT( !buf || (offset < bufsize) );
85: ASSERT( !buf || IsValidPtr( buf, bufsize ) );
86: ASSERT( IsValidReadPtr( ifh, sizeof( *ifh ) ) );
87:
88: //
89: const size_t size = sizeof( *ifh );
90:
91: //
92: if ( buf )
93: {
94: memmove( buf + offset, ifh, size );
95: }
96:
97: ASSERT( !buf || (offset + size <= bufsize) );
98: ASSERT( !buf
99: || (size == put_ifh( null, 0, offset, ifh ))
100: || (bufsize <= offset + put_ifh( null, 0, offset, ifh )) );
101: return size;
102: }//put_ifh
103:
104: //*********************************************************
105: // put_icons
106: //*********************************************************
107: static
108: size_t
109: put_icons
110: (
111: BYTE *buf,
112: size_t bufsize,
113: size_t offset,
114: const ICONRESINF *iri,
115: int num,
116: HMODULE hModule
117: )
118: {
119: // パラメタの仮定
120: ASSERT( 0 < num );
121: ASSERT( IsValidReadPtr( iri, num * sizeof( *iri ) ) );
122: ASSERT( IsValidInstanceHandle( hModule ) );
123: ASSERT( buf || (0 == bufsize) );
124: ASSERT( !buf || (offset < bufsize) );
125: ASSERT( !buf || IsValidPtr( buf, bufsize ) );
126:
127: //
128: size_t size = (num * sizeof( ICONINFOHEAD ));
129:
130: //
131: {for( int i = 0; i < num; ++i )
132: {
133: size += put_icon( buf, bufsize, offset + (i * sizeof( ICONINFOHEAD )), offset + size, &iri[ i ], hModule );
134: }}
135:
136: ASSERT( !buf || (offset + size <= bufsize) );
137: ASSERT( !buf
138: || (size == put_icons( null, 0, offset, iri, num, hModule ))
139: || (bufsize <= offset + put_icons( null, 0, offset, iri, num, hModule )) );
140: return size;
141: }//put_icons
142:
143: //*********************************************************
144: // put_icon
145: //*********************************************************
146: static
147: size_t
148: put_icon
149: (
150: BYTE *buf,
151: size_t bufsize,
152: size_t iih_offset,
153: size_t img_offset,
154: const ICONRESINF *iri,
155: HMODULE hModule
156: )
157: {
158: // パラメタの仮定
159: ASSERT( iih_offset < img_offset );
160: ASSERT( IsValidReadPtr( iri, sizeof( *iri ) ) );
161: ASSERT( IsValidInstanceHandle( hModule ) );
162: ASSERT( buf || (0 == bufsize) );
163: ASSERT( !buf || (iih_offset < bufsize) );
164: ASSERT( !buf || (img_offset < bufsize) );
165: ASSERT( !buf || IsValidPtr( buf, bufsize ) );
166:
167:
168: put_iih( buf, bufsize, iih_offset, iri, img_offset );
169: const size_t size = put_img( buf, bufsize, img_offset, hModule, MAKEINTRESOURCE( iri->wID ), iri->size );
170:
171: ASSERT( !buf || (img_offset + size <= bufsize) );
172: ASSERT( !buf
173: || (size == put_icon( null, 0, iih_offset, img_offset, iri, hModule ))
174: || (bufsize <= img_offset + put_icon( null, 0, iih_offset, img_offset, iri, hModule )) );
175: return size;
176: }//put_icon
177:
178: //*********************************************************
179: // put_iih
180: //*********************************************************
181: static
182: size_t
183: put_iih
184: (
185: BYTE *buf,
186: size_t bufsize,
187: size_t offset,
188: const ICONRESINF *iri,
189: size_t img_offset
190: )
191: {
192: // パラメタの仮定
193: ASSERT( buf || (0 == bufsize) );
194: ASSERT( !buf || (offset < bufsize) );
195: ASSERT( !buf || IsValidPtr( buf, bufsize ) );
196: ASSERT( IsValidReadPtr( iri, sizeof( *iri ) ) );
197:
198: //
199: const size_t size = sizeof( ICONINFOHEAD );
200:
201: //
202: if ( buf )
203: {
204: ICONINFOHEAD *iih = static_cast<ICONINFOHEAD *>( static_cast<void *>( buf + offset ) );
205: iih->width = iri->width;
206: iih->height = iri->height;
207: iih->color = iri->color;
208: iih->unknown = iri->unknown;
209: iih->planes = iri->planes;
210: iih->bits = iri->bits;
211: iih->size = iri->size;
212: iih->offset = _w64_static_cast<DWORD>( img_offset );
213: }
214:
215: ASSERT( !buf || (offset + size <= bufsize) );
216: ASSERT( !buf
217: || (size == put_iih( null, 0, offset, iri, img_offset ))
218: || (bufsize <= offset + put_iih( null, 0, offset, iri, img_offset )) );
219: return size;
220: }//put_iih
221:
222: //*********************************************************
223: // put_img
224: //*********************************************************
225: static
226: size_t
227: put_img
228: (
229: BYTE *buf,
230: size_t bufsize,
231: size_t offset,
232: HMODULE hModule,
233: const char *name,
234: size_t size
235: )
236: {
237: // パラメタの仮定
238: ASSERT( IsValidInstanceHandle( hModule ) );
239: ASSERT( IsValidResourceName( name ) );
240: ASSERT( buf || (0 == bufsize) );
241: ASSERT( !buf || ((offset + size) <= bufsize) );
242: ASSERT( !buf || IsValidPtr( buf, bufsize ) );
243:
244: const void *img = GetResourcePtr( hModule, name, RT_ICON );
245: if ( img )
246: {
247: if ( buf )
248: {
249: memmove( buf + offset, img, size );
250: }
251: }
252:
253: ASSERT( !buf || (offset + size <= bufsize) );
254: ASSERT( !buf
255: || (size == put_img( null, 0, offset, hModule, name, size ))
256: || (bufsize <= offset + put_img( null, 0, offset, hModule, name, size )) );
257: return size;
258: }//put_img
259:
260:
261: //** end **
参照：
| 水無瀬の部屋 > sample > exe2ico > rsrc2ico.cpp |
|---|
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水無瀬 優 postmaster@katsura-kotonoha.sakura.ne.jp
http://katsura-kotonoha.sakura.ne.jp/prog/code/exe2ico/rsrc2ico_cpp.shtml