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/*
* 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.
*
* RCS: @(#) $Id: tkMacOSXBitmap.c,v 1.7.4.1 2008/05/03 21:09:16 das Exp $
*/
#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 = (TkPredefBitmap *)
ckalloc(sizeof(TkPredefBitmap));
NativeIcon *nativeIconPtr = (NativeIcon *)
ckalloc(sizeof(NativeIcon));
nativeIconPtr->id = builtInPtr->id;
nativeIconPtr->type = builtInPtr->type;
predefPtr->source = (char *) 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 char *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;
}
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