summaryrefslogtreecommitdiffstats
path: root/carbon/tkMacOSXBitmap.c
blob: 0f569f06fa6c36bfc7e96d2a7185493702588134 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
/*
 * tkMacOSXBitmap.c --
 *
 *	This file handles the implementation of native bitmaps.
 *
 * Copyright (c) 1996-1997 Sun Microsystems, Inc.
 * Copyright 2001, Apple Computer, Inc.
 * Copyright (c) 2006-2007 Daniel A. Steffen <das@users.sourceforge.net>
 *
 * See the file "license.terms" for information on usage and redistribution
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */

#include "tkMacOSXInt.h"

/*
 * Depending on the resource type there are different ways to
 * draw native icons.
 */
#define TYPE1	0		/* Family icon suite. */
#define TYPE2	1		/* ICON resource. */
#define TYPE3	2		/* cicn resource. */

/*
 * This data structure describes the id and type of a given icon.
 * It is used as the source for native icons.
 */
typedef struct {
    int id;			/* Resource Id for Icon. */
    long int type;		/* Type of icon. */
} NativeIcon;

/*
 * This structure holds information about native bitmaps.
 */

typedef struct {
    const char *name;		/* Name of icon. */
    long int type;		/* Type of icon. */
    int id;			/* Id of icon. */
    int size;			/* Size of icon. */
} BuiltInIcon;

/*
 * This array mapps a string name to the supported builtin icons
 * on the Macintosh.
 */

static BuiltInIcon builtInIcons[] = {
    {"document",	TYPE1,	kGenericDocumentIconResource,		32},
    {"stationery",	TYPE1,	kGenericStationeryIconResource,		32},
    {"edition",		TYPE1,	kGenericEditionFileIconResource,	32},
    {"application",	TYPE1,	kGenericApplicationIconResource,	32},
    {"accessory",	TYPE1,	kGenericDeskAccessoryIconResource,	32},
    {"folder",		TYPE1,	kGenericFolderIconResource,		32},
    {"pfolder",		TYPE1,	kPrivateFolderIconResource,		32},
    {"trash",		TYPE1,	kTrashIconResource,			32},
    {"floppy",		TYPE1,	kFloppyIconResource,			32},
    {"ramdisk",		TYPE1,	kGenericRAMDiskIconResource,		32},
    {"cdrom",		TYPE1,	kGenericCDROMIconResource,		32},
    {"preferences",	TYPE1,	kGenericPreferencesIconResource,	32},
    {"querydoc",	TYPE1,	kGenericQueryDocumentIconResource,	32},
    {"stop",		TYPE2,	kStopIcon,				32},
    {"note",		TYPE2,	kNoteIcon,				32},
    {"caution",		TYPE2,	kCautionIcon,				32},
    {NULL,		0,	0,					0}
};

/*
 *----------------------------------------------------------------------
 *
 * TkpDefineNativeBitmaps --
 *
 *	Add native bitmaps.
 *
 * Results:
 *	A standard Tcl result. If an error occurs then TCL_ERROR is
 *	returned and a message is left in the interp's result.
 *
 * Side effects:
 *	"Name" is entered into the bitmap table and may be used from
 *	here on to refer to the given bitmap.
 *
 *----------------------------------------------------------------------
 */

void
TkpDefineNativeBitmaps(void)
{
    Tcl_HashTable *tablePtr = TkGetBitmapPredefTable();
    BuiltInIcon *builtInPtr;

    for (builtInPtr = builtInIcons; builtInPtr->name != NULL; builtInPtr++) {
	Tcl_HashEntry *predefHashPtr;
	const char * name;
	int isNew;

	name = Tk_GetUid(builtInPtr->name);
	predefHashPtr = Tcl_CreateHashEntry(tablePtr, name, &isNew);
	if (isNew) {
	    TkPredefBitmap *predefPtr = ckalloc(sizeof(TkPredefBitmap));
	    NativeIcon *nativeIconPtr = ckalloc(sizeof(NativeIcon));

	    nativeIconPtr->id = builtInPtr->id;
	    nativeIconPtr->type = builtInPtr->type;
	    predefPtr->source = nativeIconPtr;
	    predefPtr->width = builtInPtr->size;
	    predefPtr->height = builtInPtr->size;
	    predefPtr->native = 1;
	    Tcl_SetHashValue(predefHashPtr, predefPtr);
	}
    }
}

/*
 *----------------------------------------------------------------------
 *
 * TkpCreateNativeBitmap --
 *
 *	Add native bitmaps.
 *
 * Results:
 *	A standard Tcl result. If an error occurs then TCL_ERROR is
 *	returned and a message is left in the interp's result.
 *
 * Side effects:
 *	"Name" is entered into the bitmap table and may be used from
 *	here on to refer to the given bitmap.
 *
 *----------------------------------------------------------------------
 */

Pixmap
TkpCreateNativeBitmap(
    Display *display,
    const void *source)		/* Info about the icon to build. */
{
    Pixmap pix;
    Rect destRect;
    CGrafPtr savePort;
    Boolean portChanged;
    const NativeIcon *nativeIconPtr;

    pix = Tk_GetPixmap(display, None, 32, 32, 0);
    portChanged = QDSwapPort(TkMacOSXGetDrawablePort(pix), &savePort);

    nativeIconPtr = (const NativeIcon *) source;
    SetRect(&destRect, 0, 0, 32, 32);
    if (nativeIconPtr->type == TYPE1) {
	RGBColor white = {0xFFFF, 0xFFFF, 0xFFFF};

	RGBForeColor(&white);
	PaintRect(&destRect);
	PlotIconID(&destRect, atAbsoluteCenter, ttNone, nativeIconPtr->id);
    } else if (nativeIconPtr->type == TYPE2) {
	Handle icon = GetIcon(nativeIconPtr->id);

	if (icon != NULL) {
	    RGBColor black = {0, 0, 0};

	    RGBForeColor(&black);
	    PlotIcon(&destRect, icon);
	    ReleaseResource(icon);
	}
    }

    if (portChanged) {
	QDSwapPort(savePort, NULL);
    }
    return pix;
}

/*
 *----------------------------------------------------------------------
 *
 * TkpGetNativeAppBitmap --
 *
 *	Add native bitmaps.
 *
 * Results:
 *	A standard Tcl result. If an error occurs then TCL_ERROR is
 *	returned and a message is left in the interp's result.
 *
 * Side effects:
 *	"Name" is entered into the bitmap table and may be used from
 *	here on to refer to the given bitmap.
 *
 *----------------------------------------------------------------------
 */

Pixmap
TkpGetNativeAppBitmap(
    Display *display,		/* The display. */
    const char *name,		/* The name of the bitmap. */
    int *width,			/* The width & height of the bitmap. */
    int *height)
{
    Pixmap pix;
    CGrafPtr savePort;
    Boolean portChanged;
    Rect destRect;
    Handle resource;
    int type = -1, destWrote;
    Str255 nativeName;
    Tcl_Encoding encoding;

    /*
     * macRoman is the encoding that the resource fork uses.
     */

    encoding = Tcl_GetEncoding(NULL, "macRoman");
    Tcl_UtfToExternal(NULL, encoding, name, strlen(name), 0, NULL,
	    (char *) &nativeName[1], 255, NULL, &destWrote, NULL);
    nativeName[0] = destWrote;
    Tcl_FreeEncoding(encoding);

    resource = GetNamedResource('cicn', nativeName);
    if (resource != NULL) {
	type = TYPE3;
    } else {
	resource = GetNamedResource('ICON', nativeName);
	if (resource != NULL) {
	    type = TYPE2;
	}
    }

    if (resource == NULL) {
	return (Pixmap) NULL;
    }

    pix = Tk_GetPixmap(display, None, 32, 32, 0);
    portChanged = QDSwapPort(TkMacOSXGetDrawablePort(pix), &savePort);

    SetRect(&destRect, 0, 0, 32, 32);
    if (type == TYPE2) {
	RGBColor black = {0, 0, 0};

	RGBForeColor(&black);
	PlotIcon(&destRect, resource);
	ReleaseResource(resource);
    } else if (type == TYPE3) {
	RGBColor white = {0xFFFF, 0xFFFF, 0xFFFF};
	short id;
	ResType theType;
	Str255 dummy;

	/*
	 * We need to first paint the background white. Also, for some reason
	 * we *must* use GetCIcon instead of GetNamedResource for PlotCIcon to
	 * work - so we use GetResInfo to get the id.
	 */

	RGBForeColor(&white);
	PaintRect(&destRect);
	GetResInfo(resource, &id, &theType, dummy);
	ReleaseResource(resource);
	resource = (Handle) GetCIcon(id);
	PlotCIcon(&destRect, (CIconHandle) resource);
	DisposeCIcon((CIconHandle) resource);
    }

    *width = 32;
    *height = 32;
    if (portChanged) {
	QDSwapPort(savePort, NULL);
    }
    return pix;
}