/* $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 #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 #include #include #include #include #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; }