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Diffstat (limited to 'src/xftint.h')
| -rw-r--r-- | src/xftint.h | 426 |
1 files changed, 426 insertions, 0 deletions
diff --git a/src/xftint.h b/src/xftint.h new file mode 100644 index 0000000..f867cec --- /dev/null +++ b/src/xftint.h @@ -0,0 +1,426 @@ +/* + * $XFree86: xc/lib/Xft/xftint.h,v 1.37 2002/10/11 17:53:02 keithp Exp $ + * + * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc. + * + * 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, and that the name of Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * These definitions are solely for use by the implementation of Xft + * and constitute no kind of standard. If you need any of these functions, + * please drop me a note. Either the library needs new functionality, + * or there's a way to do what you need using the existing published + * interfaces. keithp@xfree86.org + */ + +#ifndef _XFTINT_H_ +#define _XFTINT_H_ + +#include <X11/Xlib.h> +#include <X11/Xmd.h> +#define _XFT_NO_COMPAT_ +#include "Xft.h" +#include <fontconfig/fcprivate.h> +#include <fontconfig/fcfreetype.h> + +typedef struct _XftMatcher { + char *object; + double (*compare) (char *object, FcValue value1, FcValue value2); +} XftMatcher; + +typedef struct _XftSymbolic { + const char *name; + int value; +} XftSymbolic; + +/* + * Glyphs are stored in this structure + */ +typedef struct _XftGlyph { + XGlyphInfo metrics; + void *bitmap; + unsigned long glyph_memory; +} XftGlyph; + +/* + * A hash table translates Unicode values into glyph indicies + */ +typedef struct _XftUcsHash { + FcChar32 ucs4; + FT_UInt glyph; +} XftUcsHash; + +/* + * Many fonts can share the same underlying face data; this + * structure references that. Note that many faces may in fact + * live in the same font file; that is irrelevant to this structure + * which is concerned only with the individual faces themselves + */ + +typedef struct _XftFtFile { + struct _XftFtFile *next; + int ref; /* number of font infos using this file */ + + char *file; /* file name */ + int id; /* font index within that file */ + + FT_F26Dot6 xsize; /* current xsize setting */ + FT_F26Dot6 ysize; /* current ysize setting */ + FT_Matrix matrix; /* current matrix setting */ + + int lock; /* lock count; can't unload unless 0 */ + FT_Face face; /* pointer to face; only valid when lock */ +} XftFtFile; + +/* + * This structure holds the data extracted from a pattern + * needed to create a unique font object. + */ + +struct _XftFontInfo { + /* + * Hash value (not include in hash value computation) + */ + FcChar32 hash; + XftFtFile *file; /* face source */ + /* + * Rendering options + */ + FT_F26Dot6 xsize, ysize; /* pixel size */ + FcBool antialias; /* doing antialiasing */ + int rgba; /* subpixel order */ + FT_Matrix matrix; /* glyph transformation matrix */ + FcBool transform; /* non-identify matrix? */ + FT_Int load_flags; /* glyph load flags */ + FcBool render; /* whether to use the Render extension */ + /* + * Internal fields + */ + int spacing; + FcBool minspace; + int char_width; +}; + +/* + * Internal version of the font with private data + */ + +typedef struct _XftFontInt { + XftFont public; /* public fields */ + XftFont *next; /* all fonts on display */ + XftFont *hash_next; /* fonts in this hash chain */ + XftFontInfo info; /* Data from pattern */ + int ref; /* reference count */ + /* + * Per-glyph information, indexed by glyph ID + * This array follows the font in memory + */ + XftGlyph **glyphs; + int num_glyphs; /* size of glyphs/bitmaps arrays */ + /* + * Hash table to get from Unicode value to glyph ID + * This array follows the glyphs in memory + */ + XftUcsHash *hash_table; + int hash_value; + int rehash_value; + /* + * X specific fields + */ + GlyphSet glyphset; /* Render glyphset */ + XRenderPictFormat *format; /* Render format for glyphs */ + /* + * Glyph memory management fields + */ + unsigned long glyph_memory; + unsigned long max_glyph_memory; + FcBool use_free_glyphs; /* Use XRenderFreeGlyphs */ +} XftFontInt; + +typedef enum _XftClipType { + XftClipTypeNone, XftClipTypeRegion, XftClipTypeRectangles +} XftClipType; + +typedef struct _XftClipRect { + int xOrigin; + int yOrigin; + int n; +} XftClipRect; + +#define XftClipRects(cr) ((XRectangle *) ((cr) + 1)) + +typedef union _XftClip { + XftClipRect *rect; + Region region; +} XftClip; + +struct _XftDraw { + Display *dpy; + int screen; + unsigned int bits_per_pixel; + unsigned int depth; + Drawable drawable; + Visual *visual; /* NULL for bitmaps */ + Colormap colormap; + XftClipType clip_type; + XftClip clip; + int subwindow_mode; + struct { + Picture pict; + } render; + struct { + GC gc; + int use_pixmap; + } core; +}; + +/* + * Instead of taking two round trips for each blending request, + * assume that if a particular drawable fails GetImage that it will + * fail for a "while"; use temporary pixmaps to avoid the errors + */ + +#define XFT_ASSUME_PIXMAP 20 + +typedef struct _XftSolidColor { + XRenderColor color; + int screen; + Picture pict; +} XftSolidColor; + +#define XFT_NUM_SOLID_COLOR 16 + +#define XFT_NUM_FONT_HASH 127 + +typedef struct _XftDisplayInfo { + struct _XftDisplayInfo *next; + Display *display; + XExtCodes *codes; + FcPattern *defaults; + FcBool hasRender; + XftFont *fonts; + XRenderPictFormat *solidFormat; + unsigned long glyph_memory; + unsigned long max_glyph_memory; + FcBool use_free_glyphs; + int num_unref_fonts; + int max_unref_fonts; + XftSolidColor colors[XFT_NUM_SOLID_COLOR]; + XftFont *fontHash[XFT_NUM_FONT_HASH]; +} XftDisplayInfo; + +/* + * By default, use no more than 4 meg of server memory total, and no + * more than 1 meg for any one font + */ +#define XFT_DPY_MAX_GLYPH_MEMORY (4 * 1024 * 1024) +#define XFT_FONT_MAX_GLYPH_MEMORY (1024 * 1024) + +/* + * By default, keep the last 16 unreferenced fonts around to + * speed reopening them. Note that the glyph caching code + * will keep the global memory usage reasonably limited + */ +#define XFT_DPY_MAX_UNREF_FONTS 16 + +extern XftDisplayInfo *_XftDisplayInfo; + +#define XFT_DBG_OPEN 1 +#define XFT_DBG_OPENV 2 +#define XFT_DBG_RENDER 4 +#define XFT_DBG_DRAW 8 +#define XFT_DBG_REF 16 +#define XFT_DBG_GLYPH 32 +#define XFT_DBG_GLYPHV 64 +#define XFT_DBG_CACHE 128 +#define XFT_DBG_CACHEV 256 +#define XFT_DBG_MEMORY 512 + +#define XFT_MEM_DRAW 0 +#define XFT_MEM_FONT 1 +#define XFT_MEM_FILE 2 +#define XFT_MEM_GLYPH 3 +#define XFT_MEM_NUM 4 + +/* xftcompat.c */ +void XftFontSetDestroy (FcFontSet *s); +FcBool XftMatrixEqual (_Xconst FcMatrix *mat1, _Xconst FcMatrix *mat2); +void XftMatrixMultiply (FcMatrix *result, FcMatrix *a, FcMatrix *b); +void XftMatrixRotate (FcMatrix *m, double c, double s); +void XftMatrixScale (FcMatrix *m, double sx, double sy); +void XftMatrixShear (FcMatrix *m, double sh, double sv); +FcPattern *XftPatternCreate (void); +void XftValueDestroy (FcValue v); +void XftPatternDestroy (FcPattern *p); +FcBool XftPatternAdd (FcPattern *p, _Xconst char *object, FcValue value, FcBool append); +FcBool XftPatternDel (FcPattern *p, _Xconst char *object); +FcBool XftPatternAddInteger (FcPattern *p, _Xconst char *object, int i); +FcBool XftPatternAddDouble (FcPattern *p, _Xconst char *object, double i); +FcBool XftPatternAddMatrix (FcPattern *p, _Xconst char *object, FcMatrix *i); +FcBool XftPatternAddString (FcPattern *p, _Xconst char *object, char *i); +FcBool XftPatternAddBool (FcPattern *p, _Xconst char *object, FcBool i); +FcResult XftPatternGet (FcPattern *p, _Xconst char *object, int id, FcValue *v); +FcResult XftPatternGetInteger (FcPattern *p, _Xconst char *object, int id, int *i); +FcResult XftPatternGetDouble (FcPattern *p, _Xconst char *object, int id, double *i); +FcResult XftPatternGetString (FcPattern *p, _Xconst char *object, int id, char **i); +FcResult XftPatternGetMatrix (FcPattern *p, _Xconst char *object, int id, FcMatrix **i); +FcResult XftPatternGetBool (FcPattern *p, _Xconst char *object, int id, FcBool *i); +FcPattern *XftPatternDuplicate (FcPattern *orig); +FcPattern *XftPatternVaBuild (FcPattern *orig, va_list va); +FcPattern *XftPatternBuild (FcPattern *orig, ...); +FcBool XftNameUnparse (FcPattern *pat, char *dest, int len); +FcBool XftGlyphExists (Display *dpy, XftFont *font, FcChar32 ucs4); +FcObjectSet *XftObjectSetCreate (void); +Bool XftObjectSetAdd (FcObjectSet *os, _Xconst char *object); +void XftObjectSetDestroy (FcObjectSet *os); +FcObjectSet *XftObjectSetVaBuild (_Xconst char *first, va_list va); +FcObjectSet *XftObjectSetBuild (_Xconst char *first, ...); +FcFontSet *XftListFontSets (FcFontSet **sets, int nsets, FcPattern *p, FcObjectSet *os); + +/* xftcore.c */ +void +XftRectCore (XftDraw *draw, + _Xconst XftColor *color, + int x, + int y, + unsigned int width, + unsigned int height); + +void +XftGlyphCore (XftDraw *draw, + _Xconst XftColor *color, + XftFont *public, + int x, + int y, + _Xconst FT_UInt *glyphs, + int nglyphs); + +void +XftGlyphSpecCore (XftDraw *draw, + _Xconst XftColor *color, + XftFont *public, + _Xconst XftGlyphSpec *glyphs, + int nglyphs); + +void +XftGlyphFontSpecCore (XftDraw *draw, + _Xconst XftColor *color, + _Xconst XftGlyphFontSpec *glyphs, + int nglyphs); + +/* xftdbg.c */ +int +XftDebug (void); + +/* xftdpy.c */ +XftDisplayInfo * +_XftDisplayInfoGet (Display *dpy, FcBool createIfNecessary); + +void +_XftDisplayManageMemory (Display *dpy); + +int +XftDefaultParseBool (char *v); + +FcBool +XftDefaultGetBool (Display *dpy, const char *object, int screen, FcBool def); + +int +XftDefaultGetInteger (Display *dpy, const char *object, int screen, int def); + +double +XftDefaultGetDouble (Display *dpy, const char *object, int screen, double def); + +FcFontSet * +XftDisplayGetFontSet (Display *dpy); + +/* xftdraw.c */ +unsigned int +XftDrawDepth (XftDraw *draw); + +unsigned int +XftDrawBitsPerPixel (XftDraw *draw); + +FcBool +XftDrawRenderPrepare (XftDraw *draw); + +/* xftextent.c */ + +/* xftfont.c */ + +/* xftfreetype.c */ +FcBool +_XftSetFace (XftFtFile *f, FT_F26Dot6 xsize, FT_F26Dot6 ysize, FT_Matrix *matrix); + +void +XftFontManageMemory (Display *dpy); + +/* xftglyph.c */ +void +_XftFontUncacheGlyph (Display *dpy, XftFont *public); + +void +_XftFontManageMemory (Display *dpy, XftFont *public); + +/* xftinit.c */ +void +XftMemReport (void); + +void +XftMemAlloc (int kind, int size); + +void +XftMemFree (int kind, int size); + +/* xftlist.c */ +FcFontSet * +XftListFontsPatternObjects (Display *dpy, + int screen, + FcPattern *pattern, + FcObjectSet *os); + +/* xftname.c */ +void +_XftNameInit (void); + +/* xftrender.c */ + +/* xftstr.c */ +int +_XftMatchSymbolic (XftSymbolic *s, int n, const char *name, int def); + +/* xftswap.c */ +int +XftNativeByteOrder (void); + +void +XftSwapCARD32 (CARD32 *data, int n); + +void +XftSwapCARD24 (CARD8 *data, int width, int height); + +void +XftSwapCARD16 (CARD16 *data, int n); + +void +XftSwapImage (XImage *image); + +/* xftxlfd.c */ +#endif /* _XFT_INT_H_ */ |