bitmap.h
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上传日期:2022-06-04
资源大小:8887k
文件大小:4k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /* $Xorg: bitmap.h,v 1.4 2001/02/09 02:04:04 xorgcvs Exp $ */
- /*
- Copyright 1990, 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/include/bitmap.h,v 1.9 2001/01/17 19:43:31 dawes Exp $ */
- /*
- * Author: Keith Packard, MIT X Consortium
- */
- #ifndef _BITMAP_H_
- #define _BITMAP_H_
- #include <X11/fonts/fntfilio.h>
- #ifndef FONTMODULE
- #include <stdio.h> /* just for NULL */
- #else
- #include "xf86_ansic.h"
- #endif
- /*
- * Internal format used to store bitmap fonts
- */
- /* number of encoding entries in one segment */
- #define BITMAP_FONT_SEGMENT_SIZE 128
- typedef struct _BitmapExtra {
- Atom *glyphNames;
- int *sWidths;
- CARD32 bitmapsSizes[GLYPHPADOPTIONS];
- FontInfoRec info;
- } BitmapExtraRec, *BitmapExtraPtr;
- typedef struct _BitmapFont {
- unsigned version_num;
- int num_chars;
- int num_tables;
- CharInfoPtr metrics; /* font metrics, including glyph pointers */
- xCharInfo *ink_metrics; /* ink metrics */
- char *bitmaps; /* base of bitmaps, useful only to free */
- CharInfoPtr **encoding; /* array of arrays of char info pointers */
- CharInfoPtr pDefault; /* default character */
- BitmapExtraPtr bitmapExtra; /* stuff not used by X server */
- } BitmapFontRec, *BitmapFontPtr;
- #define ACCESSENCODING(enc,i)
- (enc[(i)/BITMAP_FONT_SEGMENT_SIZE]?
- (enc[(i)/BITMAP_FONT_SEGMENT_SIZE][(i)%BITMAP_FONT_SEGMENT_SIZE]):
- 0)
- #define ACCESSENCODINGL(enc,i)
- (enc[(i)/BITMAP_FONT_SEGMENT_SIZE][(i)%BITMAP_FONT_SEGMENT_SIZE])
- #define SEGMENT_MAJOR(n) ((n)/BITMAP_FONT_SEGMENT_SIZE)
- #define SEGMENT_MINOR(n) ((n)%BITMAP_FONT_SEGMENT_SIZE)
- #define NUM_SEGMENTS(n)
- (((n)+BITMAP_FONT_SEGMENT_SIZE-1)/BITMAP_FONT_SEGMENT_SIZE)
- extern int bitmapGetGlyphs ( FontPtr pFont, unsigned long count,
- unsigned char *chars, FontEncoding charEncoding,
- unsigned long *glyphCount, CharInfoPtr *glyphs );
- extern int bitmapGetMetrics ( FontPtr pFont, unsigned long count,
- unsigned char *chars, FontEncoding charEncoding,
- unsigned long *glyphCount, xCharInfo **glyphs );
- extern void bitmapComputeFontBounds ( FontPtr pFont );
- extern void bitmapComputeFontInkBounds ( FontPtr pFont );
- extern Bool bitmapAddInkMetrics ( FontPtr pFont );
- extern int bitmapComputeWeight ( FontPtr pFont );
- extern void BitmapRegisterFontFileFunctions ( void );
- extern int BitmapGetRenderIndex ( FontRendererPtr renderer );
- extern int BitmapOpenScalable ( FontPathElementPtr fpe, FontPtr *pFont,
- int flags, FontEntryPtr entry, char *fileName,
- FontScalablePtr vals, fsBitmapFormat format,
- fsBitmapFormatMask fmask,
- FontPtr non_cachable_font );
- extern int BitmapGetInfoScalable ( FontPathElementPtr fpe,
- FontInfoPtr pFontInfo, FontEntryPtr entry,
- FontNamePtr fontName, char *fileName,
- FontScalablePtr vals );
- #endif /* _BITMAP_H_ */