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-rw-r--r--carbon/tkMacOSXBitmap.c272
1 files changed, 272 insertions, 0 deletions
diff --git a/carbon/tkMacOSXBitmap.c b/carbon/tkMacOSXBitmap.c
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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 1.1 2009/06/26 01:42:46 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 = 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;
+}
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