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Diffstat (limited to 'libXfont/src/bitmap/bitmapfunc.c')
-rw-r--r--libXfont/src/bitmap/bitmapfunc.c265
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diff --git a/libXfont/src/bitmap/bitmapfunc.c b/libXfont/src/bitmap/bitmapfunc.c
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+++ b/libXfont/src/bitmap/bitmapfunc.c
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+/* $Xorg: bitmapfunc.c,v 1.5 2001/02/09 02:04:02 xorgcvs Exp $ */
+
+/*
+
+Copyright 1991, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+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
+OPEN GROUP 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 Open Group 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 Open Group.
+
+*/
+
+/* $XFree86: xc/lib/font/bitmap/bitmapfunc.c,v 3.17 2002/09/19 13:21:58 tsi Exp $ */
+
+/*
+ * Author: Keith Packard, MIT X Consortium
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+/*
+ * Translate monolithic #defines to modular definitions
+ */
+
+#ifdef PCFFORMAT
+#define XFONT_PCFFORMAT 1
+#endif
+
+#ifdef SNFFORMAT
+#define XFONT_SNFFORMAT 1
+#endif
+
+#ifdef BDFFORMAT
+#define XFONT_BDFFORMAT 1
+#endif
+
+#include <X11/fonts/fntfilst.h>
+#include <X11/fonts/bitmap.h>
+#include <X11/fonts/fontutil.h>
+#include <X11/fonts/bdfint.h>
+#include <X11/fonts/pcf.h>
+#include "snfstr.h"
+
+typedef struct _BitmapFileFunctions {
+ int (*ReadFont) (FontPtr /* pFont */, FontFilePtr /* file */,
+ int /* bit */, int /* byte */,
+ int /* glyph */, int /* scan */);
+ int (*ReadInfo) ( FontInfoPtr /* pFontInfo */,
+ FontFilePtr /* file */ );
+} BitmapFileFunctionsRec, *BitmapFileFunctionsPtr;
+
+
+/*
+ * the readers[] and renderers[] arrays must be in the same order,
+ * and also in the same order as scale[] and find_scale[] in bitscale.c
+ *
+ */
+static BitmapFileFunctionsRec readers[] = {
+#if XFONT_PCFFORMAT
+ { pcfReadFont, pcfReadFontInfo} ,
+ { pcfReadFont, pcfReadFontInfo} ,
+# ifdef X_GZIP_FONT_COMPRESSION
+ { pcfReadFont, pcfReadFontInfo} ,
+# endif
+# ifdef X_BZIP2_FONT_COMPRESSION
+ { pcfReadFont, pcfReadFontInfo} ,
+# endif
+#endif
+#if XFONT_SNFFORMAT
+ { snfReadFont, snfReadFontInfo},
+ { snfReadFont, snfReadFontInfo},
+# ifdef X_GZIP_FONT_COMPRESSION
+ { snfReadFont, snfReadFontInfo} ,
+# endif
+# ifdef X_BZIP2_FONT_COMPRESSION
+ { snfReadFont, snfReadFontInfo} ,
+# endif
+#endif
+#if XFONT_BDFFORMAT
+ { bdfReadFont, bdfReadFontInfo} ,
+ { bdfReadFont, bdfReadFontInfo} ,
+# ifdef X_GZIP_FONT_COMPRESSION
+ { bdfReadFont, bdfReadFontInfo} ,
+# endif
+# ifdef X_BZIP2_FONT_COMPRESSION
+ { bdfReadFont, bdfReadFontInfo} ,
+# endif
+#endif
+#if XFONT_PCFFORMAT
+ { pmfReadFont, pcfReadFontInfo} ,
+#endif
+};
+
+
+#define CAPABILITIES (CAP_MATRIX | CAP_CHARSUBSETTING)
+
+static int
+BitmapOpenBitmap (FontPathElementPtr fpe, FontPtr *ppFont, int flags,
+ FontEntryPtr entry, char *fileName,
+ fsBitmapFormat format, fsBitmapFormatMask fmask,
+ FontPtr non_cachable_font) /* We don't do licensing */
+{
+ FontFilePtr file;
+ FontPtr pFont;
+ int i;
+ int ret;
+ int bit,
+ byte,
+ glyph,
+ scan,
+ image;
+
+ i = BitmapGetRenderIndex(entry->u.bitmap.renderer);
+ file = FontFileOpen (fileName);
+ if (!file)
+ return BadFontName;
+ if (!(pFont = CreateFontRec())) {
+ fprintf(stderr, "Error: Couldn't allocate pFont (%ld)\n",
+ (unsigned long)sizeof(FontRec));
+ FontFileClose (file);
+ return AllocError;
+ }
+ /* set up default values */
+ FontDefaultFormat(&bit, &byte, &glyph, &scan);
+ /* get any changes made from above */
+ ret = CheckFSFormat(format, fmask, &bit, &byte, &scan, &glyph, &image);
+
+ /* Fill in font record. Data format filled in by reader. */
+ pFont->refcnt = 0;
+
+ ret = (*readers[i].ReadFont) (pFont, file, bit, byte, glyph, scan);
+
+ FontFileClose (file);
+ if (ret != Successful) {
+ xfree(pFont);
+ } else {
+ *ppFont = pFont;
+ }
+ return ret;
+}
+
+static int
+BitmapGetInfoBitmap (FontPathElementPtr fpe, FontInfoPtr pFontInfo,
+ FontEntryPtr entry, char *fileName)
+{
+ FontFilePtr file;
+ int i;
+ int ret;
+ FontRendererPtr renderer;
+
+ renderer = FontFileMatchRenderer (fileName);
+ if (!renderer)
+ return BadFontName;
+ i = BitmapGetRenderIndex(renderer);
+ file = FontFileOpen (fileName);
+ if (!file)
+ return BadFontName;
+ ret = (*readers[i].ReadInfo) (pFontInfo, file);
+ FontFileClose (file);
+ return ret;
+}
+
+static FontRendererRec renderers[] = {
+#if XFONT_PCFFORMAT
+ { ".pcf", 4, BitmapOpenBitmap, BitmapOpenScalable,
+ BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
+ CAPABILITIES },
+ { ".pcf.Z", 6, BitmapOpenBitmap, BitmapOpenScalable,
+ BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
+ CAPABILITIES },
+# ifdef X_GZIP_FONT_COMPRESSION
+ { ".pcf.gz", 7,
+ BitmapOpenBitmap, BitmapOpenScalable,
+ BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
+ CAPABILITIES },
+# endif
+# ifdef X_BZIP2_FONT_COMPRESSION
+ { ".pcf.bz2", 8,
+ BitmapOpenBitmap, BitmapOpenScalable,
+ BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
+ CAPABILITIES },
+# endif
+#endif
+#if XFONT_SNFFORMAT
+ { ".snf", 4, BitmapOpenBitmap, BitmapOpenScalable,
+ BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
+ CAPABILITIES },
+ { ".snf.Z", 6, BitmapOpenBitmap, BitmapOpenScalable,
+ BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
+ CAPABILITIES },
+# ifdef X_GZIP_FONT_COMPRESSION
+ { ".snf.gz", 7, BitmapOpenBitmap, BitmapOpenScalable,
+ BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
+ CAPABILITIES },
+# endif
+# ifdef X_BZIP2_FONT_COMPRESSION
+ { ".snf.bz2", 8, BitmapOpenBitmap, BitmapOpenScalable,
+ BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
+ CAPABILITIES },
+# endif
+#endif
+#if XFONT_BDFFORMAT
+ { ".bdf", 4, BitmapOpenBitmap, BitmapOpenScalable,
+ BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
+ CAPABILITIES },
+ { ".bdf.Z", 6, BitmapOpenBitmap, BitmapOpenScalable,
+ BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
+ CAPABILITIES },
+# ifdef X_GZIP_FONT_COMPRESSION
+ { ".bdf.gz", 7, BitmapOpenBitmap, BitmapOpenScalable,
+ BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
+ CAPABILITIES },
+# endif
+# ifdef X_BZIP2_FONT_COMPRESSION
+ { ".bdf.bz2", 8, BitmapOpenBitmap, BitmapOpenScalable,
+ BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
+ CAPABILITIES },
+# endif
+#endif
+#if XFONT_PCFFORMAT
+ { ".pmf", 4, BitmapOpenBitmap, BitmapOpenScalable,
+ BitmapGetInfoBitmap, BitmapGetInfoScalable, 0,
+ CAPABILITIES }
+#endif
+};
+
+#define numRenderers (sizeof renderers / sizeof renderers[0])
+
+void
+BitmapRegisterFontFileFunctions (void)
+{
+ int i;
+
+ for (i = 0; i < numRenderers; i++)
+ FontFileRegisterRenderer (&renderers[i]);
+}
+
+/*
+ * compute offset into renderers array - used to find the font reader,
+ * the font info reader, and the bitmap scaling routine. All users
+ * of this routine must be kept in step with the renderer array.
+ */
+int
+BitmapGetRenderIndex(FontRendererPtr renderer)
+{
+ return renderer - renderers;
+}
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