-/* $XConsortium: bitsource.c,v 1.9 94/04/17 20:16:59 gildea Exp $ */
-
-/*
-
-Copyright (c) 1991 X Consortium
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of the X Consortium shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from the X Consortium.
-
-*/
-
-/*
- * Author: Keith Packard, MIT X Consortium
- */
-
-#include "fntfilst.h"
-
-BitmapSourcesRec FontFileBitmapSources;
-
-Bool
-FontFileRegisterBitmapSource (fpe)
- FontPathElementPtr fpe;
-{
- FontPathElementPtr *new;
- int i;
- int newsize;
-
- for (i = 0; i < FontFileBitmapSources.count; i++)
- if (FontFileBitmapSources.fpe[i] == fpe)
- return TRUE;
- if (FontFileBitmapSources.count == FontFileBitmapSources.size)
- {
- newsize = FontFileBitmapSources.size + 4;
- new = (FontPathElementPtr *) xrealloc (FontFileBitmapSources.fpe, newsize * sizeof *new);
- if (!new)
- return FALSE;
- FontFileBitmapSources.size = newsize;
- FontFileBitmapSources.fpe = new;
- }
- FontFileBitmapSources.fpe[FontFileBitmapSources.count++] = fpe;
- return TRUE;
-}
-
-void
-FontFileUnregisterBitmapSource (fpe)
- FontPathElementPtr fpe;
-{
- int i;
-
- for (i = 0; i < FontFileBitmapSources.count; i++)
- if (FontFileBitmapSources.fpe[i] == fpe)
- {
- FontFileBitmapSources.count--;
- if (FontFileBitmapSources.count == 0)
- {
- FontFileBitmapSources.size = 0;
- xfree (FontFileBitmapSources.fpe);
- FontFileBitmapSources.fpe = 0;
- }
- else
- {
- for (; i < FontFileBitmapSources.count; i++)
- FontFileBitmapSources.fpe[i] = FontFileBitmapSources.fpe[i+1];
- }
- break;
- }
-}
-
-/*
- * Our set_path_hook: unregister all bitmap sources.
- * This is necessary because already open fonts will keep their FPEs
- * allocated, but they may not be on the new font path.
- * The bitmap sources in the new path will be registered by the init_func.
- */
-void
-FontFileEmptyBitmapSource()
-{
- if (FontFileBitmapSources.count == 0)
- return;
-
- FontFileBitmapSources.count = 0;
- FontFileBitmapSources.size = 0;
- xfree (FontFileBitmapSources.fpe);
- FontFileBitmapSources.fpe = 0;
-}
-
-FontFileMatchBitmapSource (fpe, pFont, flags, entry, zeroPat, vals, format, fmask, noSpecificSize)
- FontPathElementPtr fpe;
- FontPtr *pFont;
- int flags;
- FontEntryPtr entry;
- FontNamePtr zeroPat;
- FontScalablePtr vals;
- fsBitmapFormat format;
- fsBitmapFormatMask fmask;
- Bool noSpecificSize;
-{
- int source;
- FontEntryPtr zero;
- FontBitmapEntryPtr bitmap;
- int ret;
- FontDirectoryPtr dir;
- FontScaledPtr scaled;
-
- /*
- * Look through all the registered bitmap sources for
- * the same zero name as ours; entries along that one
- * can be scaled as desired.
- */
- ret = BadFontName;
- for (source = 0; source < FontFileBitmapSources.count; source++)
- {
- if (FontFileBitmapSources.fpe[source] == fpe)
- continue;
- dir = (FontDirectoryPtr) FontFileBitmapSources.fpe[source]->private;
- zero = FontFileFindNameInDir (&dir->scalable, zeroPat);
- if (!zero)
- continue;
- scaled = FontFileFindScaledInstance (zero, vals, noSpecificSize);
- if (scaled)
- {
- if (scaled->pFont)
- {
- *pFont = scaled->pFont;
- (*pFont)->fpe = FontFileBitmapSources.fpe[source];
- ret = Successful;
- }
- else if (scaled->bitmap)
- {
- entry = scaled->bitmap;
- bitmap = &entry->u.bitmap;
- if (bitmap->pFont)
- {
- *pFont = bitmap->pFont;
- (*pFont)->fpe = FontFileBitmapSources.fpe[source];
- ret = Successful;
- }
- else
- {
- ret = FontFileOpenBitmap (
- FontFileBitmapSources.fpe[source],
- pFont, flags, entry, format, fmask);
- if (ret == Successful && *pFont)
- (*pFont)->fpe = FontFileBitmapSources.fpe[source];
- }
- }
- else /* "cannot" happen */
- {
- ret = BadFontName;
- }
- break;
- }
- }
- return ret;
-}