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Diffstat (limited to 'libXft/src/xftdpy.c')
-rw-r--r--libXft/src/xftdpy.c1104
1 files changed, 552 insertions, 552 deletions
diff --git a/libXft/src/xftdpy.c b/libXft/src/xftdpy.c
index 055351586..862c7e8ab 100644
--- a/libXft/src/xftdpy.c
+++ b/libXft/src/xftdpy.c
@@ -1,552 +1,552 @@
-/*
- * Copyright © 2000 Keith Packard
- *
- * 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.
- */
-
-#include "xftint.h"
-
-_X_HIDDEN XftDisplayInfo *_XftDisplayInfo;
-
-static int
-_XftCloseDisplay (Display *dpy, XExtCodes *codes)
-{
- XftDisplayInfo *info, **prev;
-
- info = _XftDisplayInfoGet (dpy, FcFalse);
- if (!info)
- return 0;
-
- /*
- * Get rid of any dangling unreferenced fonts
- */
- info->max_unref_fonts = 0;
- XftFontManageMemory (dpy);
-
- /*
- * Clean up the default values
- */
- if (info->defaults)
- FcPatternDestroy (info->defaults);
-
- /*
- * Unhook from the global list
- */
- for (prev = &_XftDisplayInfo; (info = *prev); prev = &(*prev)->next)
- if (info->display == dpy)
- break;
- *prev = info->next;
-
- free (info);
- return 0;
-}
-
-
-_X_HIDDEN XftDisplayInfo *
-_XftDisplayInfoGet (Display *dpy, FcBool createIfNecessary)
-{
- XftDisplayInfo *info, **prev;
- XRenderPictFormat pf;
- int i;
- int event_base, error_base;
-
- for (prev = &_XftDisplayInfo; (info = *prev); prev = &(*prev)->next)
- {
- if (info->display == dpy)
- {
- /*
- * MRU the list
- */
- if (prev != &_XftDisplayInfo)
- {
- *prev = info->next;
- info->next = _XftDisplayInfo;
- _XftDisplayInfo = info;
- }
- return info;
- }
- }
- if (!createIfNecessary)
- return NULL;
-
- info = (XftDisplayInfo *) malloc (sizeof (XftDisplayInfo));
- if (!info)
- goto bail0;
- info->codes = XAddExtension (dpy);
- if (!info->codes)
- goto bail1;
- (void) XESetCloseDisplay (dpy, info->codes->extension, _XftCloseDisplay);
-
- info->display = dpy;
- info->defaults = NULL;
- info->solidFormat = NULL;
- info->hasRender = (XRenderQueryExtension (dpy, &event_base, &error_base) &&
- (XRenderFindVisualFormat (dpy, DefaultVisual (dpy, DefaultScreen (dpy))) != NULL));
- info->use_free_glyphs = FcTrue;
- if (info->hasRender)
- {
- int major, minor;
- XRenderQueryVersion (dpy, &major, &minor);
- if (major < 0 || (major == 0 && minor <= 2))
- info->use_free_glyphs = FcFalse;
-
- pf.type = PictTypeDirect;
- pf.depth = 32;
- pf.direct.redMask = 0xff;
- pf.direct.greenMask = 0xff;
- pf.direct.blueMask = 0xff;
- pf.direct.alphaMask = 0xff;
- info->solidFormat = XRenderFindFormat (dpy,
- (PictFormatType|
- PictFormatDepth|
- PictFormatRedMask|
- PictFormatGreenMask|
- PictFormatBlueMask|
- PictFormatAlphaMask),
- &pf,
- 0);
- }
- if (XftDebug () & XFT_DBG_RENDER)
- {
- Visual *visual = DefaultVisual (dpy, DefaultScreen (dpy));
- XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
-
- printf ("XftDisplayInfoGet Default visual 0x%x ",
- (int) visual->visualid);
- if (format)
- {
- if (format->type == PictTypeDirect)
- {
- printf ("format %d,%d,%d,%d\n",
- format->direct.alpha,
- format->direct.red,
- format->direct.green,
- format->direct.blue);
- }
- else
- {
- printf ("format indexed\n");
- }
- }
- else
- printf ("No Render format for default visual\n");
-
- printf ("XftDisplayInfoGet initialized, hasRender set to \"%s\"\n",
- info->hasRender ? "True" : "False");
- }
- for (i = 0; i < XFT_NUM_SOLID_COLOR; i++)
- {
- info->colors[i].screen = -1;
- info->colors[i].pict = 0;
- }
- info->fonts = NULL;
-
- info->next = _XftDisplayInfo;
- _XftDisplayInfo = info;
-
- info->glyph_memory = NULL;
- info->max_glyph_memory = XftDefaultGetInteger (dpy,
- XFT_MAX_GLYPH_MEMORY, 0,
- XFT_DPY_MAX_GLYPH_MEMORY);
- if (XftDebug () & XFT_DBG_CACHE)
- printf ("global max cache memory %ld\n", info->max_glyph_memory);
-
-
- info->num_unref_fonts = 0;
- info->max_unref_fonts = XftDefaultGetInteger (dpy,
- XFT_MAX_UNREF_FONTS, 0,
- XFT_DPY_MAX_UNREF_FONTS);
- if (XftDebug() & XFT_DBG_CACHE)
- printf ("global max unref fonts %d\n", info->max_unref_fonts);
-
- memset (info->fontHash, '\0', sizeof (XftFont *) * XFT_NUM_FONT_HASH);
- return info;
-
-bail1:
- free (info);
-bail0:
- if (XftDebug () & XFT_DBG_RENDER)
- {
- printf ("XftDisplayInfoGet failed to initialize, Xft unhappy\n");
- }
- return NULL;
-}
-
-/*
- * Reduce memory usage in X server
- */
-
-static void
-_XftDisplayValidateMemory (XftDisplayInfo *info)
-{
- XftFont *public;
- XftFontInt *font;
- unsigned long glyph_memory;
-
- glyph_memory = 0;
- for (public = info->fonts; public; public = font->next)
- {
- font = (XftFontInt *) public;
- glyph_memory += font->glyph_memory;
- }
- if (glyph_memory != info->glyph_memory)
- printf ("Display glyph cache incorrect has %ld bytes, should have %ld\n",
- info->glyph_memory, glyph_memory);
-}
-
-_X_HIDDEN void
-_XftDisplayManageMemory (Display *dpy)
-{
- XftDisplayInfo *info = _XftDisplayInfoGet (dpy, False);
- unsigned long glyph_memory;
- XftFont *public;
- XftFontInt *font;
-
- if (!info || !info->max_glyph_memory)
- return;
- if (XftDebug () & XFT_DBG_CACHE)
- {
- if (info->glyph_memory > info->max_glyph_memory)
- printf ("Reduce global memory from %ld to %ld\n",
- info->glyph_memory, info->max_glyph_memory);
- _XftDisplayValidateMemory (info);
- }
- while (info->glyph_memory > info->max_glyph_memory)
- {
- glyph_memory = rand () % info->glyph_memory;
- public = info->fonts;
- while (public)
- {
- font = (XftFontInt *) public;
-
- if (font->glyph_memory > glyph_memory)
- {
- _XftFontUncacheGlyph (dpy, public);
- break;
- }
- public = font->next;
- glyph_memory -= font->glyph_memory;
- }
- }
- if (XftDebug () & XFT_DBG_CACHE)
- _XftDisplayValidateMemory (info);
-}
-
-_X_EXPORT Bool
-XftDefaultHasRender (Display *dpy)
-{
- XftDisplayInfo *info = _XftDisplayInfoGet (dpy, True);
-
- if (!info)
- return False;
- return info->hasRender;
-}
-
-_X_EXPORT Bool
-XftDefaultSet (Display *dpy, FcPattern *defaults)
-{
- XftDisplayInfo *info = _XftDisplayInfoGet (dpy, True);
-
- if (!info)
- return False;
- if (info->defaults)
- FcPatternDestroy (info->defaults);
- info->defaults = defaults;
- if (!info->max_glyph_memory)
- info->max_glyph_memory = XFT_DPY_MAX_GLYPH_MEMORY;
- info->max_glyph_memory = XftDefaultGetInteger (dpy,
- XFT_MAX_GLYPH_MEMORY, 0,
- info->max_glyph_memory);
- if (!info->max_unref_fonts)
- info->max_unref_fonts = XFT_DPY_MAX_UNREF_FONTS;
- info->max_unref_fonts = XftDefaultGetInteger (dpy,
- XFT_MAX_UNREF_FONTS, 0,
- info->max_unref_fonts);
- return True;
-}
-
-_X_HIDDEN int
-XftDefaultParseBool (char *v)
-{
- char c0, c1;
-
- c0 = *v;
- if (isupper ((int)c0))
- c0 = tolower (c0);
- if (c0 == 't' || c0 == 'y' || c0 == '1')
- return 1;
- if (c0 == 'f' || c0 == 'n' || c0 == '0')
- return 0;
- if (c0 == 'o')
- {
- c1 = v[1];
- if (isupper ((int)c1))
- c1 = tolower (c1);
- if (c1 == 'n')
- return 1;
- if (c1 == 'f')
- return 0;
- }
- return -1;
-}
-
-static Bool
-_XftDefaultInitBool (Display *dpy, FcPattern *pat, char *option)
-{
- char *v;
- int i;
-
- v = XGetDefault (dpy, "Xft", option);
- if (v && (i = XftDefaultParseBool (v)) >= 0)
- return FcPatternAddBool (pat, option, i != 0);
- return True;
-}
-
-static Bool
-_XftDefaultInitDouble (Display *dpy, FcPattern *pat, char *option)
-{
- char *v, *e;
- double d;
-
- v = XGetDefault (dpy, "Xft", option);
- if (v)
- {
- d = strtod (v, &e);
- if (e != v)
- return FcPatternAddDouble (pat, option, d);
- }
- return True;
-}
-
-static Bool
-_XftDefaultInitInteger (Display *dpy, FcPattern *pat, char *option)
-{
- char *v, *e;
- int i;
-
- v = XGetDefault (dpy, "Xft", option);
- if (v)
- {
- if (FcNameConstant ((FcChar8 *) v, &i))
- return FcPatternAddInteger (pat, option, i);
- i = strtol (v, &e, 0);
- if (e != v)
- return FcPatternAddInteger (pat, option, i);
- }
- return True;
-}
-
-static FcPattern *
-_XftDefaultInit (Display *dpy)
-{
- FcPattern *pat;
-
- pat = FcPatternCreate ();
- if (!pat)
- goto bail0;
-
- if (!_XftDefaultInitDouble (dpy, pat, FC_SCALE))
- goto bail1;
- if (!_XftDefaultInitDouble (dpy, pat, FC_DPI))
- goto bail1;
- if (!_XftDefaultInitBool (dpy, pat, XFT_RENDER))
- goto bail1;
- if (!_XftDefaultInitInteger (dpy, pat, FC_RGBA))
- goto bail1;
- if (!_XftDefaultInitBool (dpy, pat, FC_ANTIALIAS))
- goto bail1;
-#ifdef FC_EMBOLDEN
- if (!_XftDefaultInitBool (dpy, pat, FC_EMBOLDEN))
- goto bail1;
-#endif
- if (!_XftDefaultInitBool (dpy, pat, FC_AUTOHINT))
- goto bail1;
-#ifdef FC_HINT_STYLE
- if (!_XftDefaultInitInteger (dpy, pat, FC_HINT_STYLE))
- goto bail1;
-#endif
- if (!_XftDefaultInitBool (dpy, pat, FC_HINTING))
- goto bail1;
- if (!_XftDefaultInitBool (dpy, pat, FC_MINSPACE))
- goto bail1;
- if (!_XftDefaultInitInteger (dpy, pat, XFT_MAX_GLYPH_MEMORY))
- goto bail1;
-
- return pat;
-
-bail1:
- FcPatternDestroy (pat);
-bail0:
- return NULL;
-}
-
-static FcResult
-_XftDefaultGet (Display *dpy, const char *object, int screen, FcValue *v)
-{
- XftDisplayInfo *info = _XftDisplayInfoGet (dpy, True);
- FcResult r;
-
- if (!info)
- return FcResultNoMatch;
-
- if (!info->defaults)
- {
- info->defaults = _XftDefaultInit (dpy);
- if (!info->defaults)
- return FcResultNoMatch;
- }
- r = FcPatternGet (info->defaults, object, screen, v);
- if (r == FcResultNoId && screen > 0)
- r = FcPatternGet (info->defaults, object, 0, v);
- return r;
-}
-
-_X_HIDDEN Bool
-XftDefaultGetBool (Display *dpy, const char *object, int screen, Bool def)
-{
- FcResult r;
- FcValue v;
-
- r = _XftDefaultGet (dpy, object, screen, &v);
- if (r != FcResultMatch || v.type != FcTypeBool)
- return def;
- return v.u.b;
-}
-
-_X_HIDDEN int
-XftDefaultGetInteger (Display *dpy, const char *object, int screen, int def)
-{
- FcResult r;
- FcValue v;
-
- r = _XftDefaultGet (dpy, object, screen, &v);
- if (r != FcResultMatch || v.type != FcTypeInteger)
- return def;
- return v.u.i;
-}
-
-_X_HIDDEN double
-XftDefaultGetDouble (Display *dpy, const char *object, int screen, double def)
-{
- FcResult r;
- FcValue v;
-
- r = _XftDefaultGet (dpy, object, screen, &v);
- if (r != FcResultMatch || v.type != FcTypeDouble)
- return def;
- return v.u.d;
-}
-
-_X_EXPORT void
-XftDefaultSubstitute (Display *dpy, int screen, FcPattern *pattern)
-{
- FcValue v;
- double dpi;
-
- if (FcPatternGet (pattern, XFT_RENDER, 0, &v) == FcResultNoMatch)
- {
- FcPatternAddBool (pattern, XFT_RENDER,
- XftDefaultGetBool (dpy, XFT_RENDER, screen,
- XftDefaultHasRender (dpy)));
- }
- if (FcPatternGet (pattern, FC_ANTIALIAS, 0, &v) == FcResultNoMatch)
- {
- FcPatternAddBool (pattern, FC_ANTIALIAS,
- XftDefaultGetBool (dpy, FC_ANTIALIAS, screen,
- True));
- }
-#ifdef FC_EMBOLDEN
- if (FcPatternGet (pattern, FC_EMBOLDEN, 0, &v) == FcResultNoMatch)
- {
- FcPatternAddBool (pattern, FC_EMBOLDEN,
- XftDefaultGetBool (dpy, FC_EMBOLDEN, screen,
- False));
- }
-#endif
- if (FcPatternGet (pattern, FC_HINTING, 0, &v) == FcResultNoMatch)
- {
- FcPatternAddBool (pattern, FC_HINTING,
- XftDefaultGetBool (dpy, FC_HINTING, screen,
- True));
- }
-#ifdef FC_HINT_STYLE
- if (FcPatternGet (pattern, FC_HINT_STYLE, 0, &v) == FcResultNoMatch)
- {
- FcPatternAddInteger (pattern, FC_HINT_STYLE,
- XftDefaultGetInteger (dpy, FC_HINT_STYLE, screen,
- FC_HINT_FULL));
- }
-#endif
- if (FcPatternGet (pattern, FC_AUTOHINT, 0, &v) == FcResultNoMatch)
- {
- FcPatternAddBool (pattern, FC_AUTOHINT,
- XftDefaultGetBool (dpy, FC_AUTOHINT, screen,
- False));
- }
- if (FcPatternGet (pattern, FC_RGBA, 0, &v) == FcResultNoMatch)
- {
- int subpixel = FC_RGBA_UNKNOWN;
-#if RENDER_MAJOR > 0 || RENDER_MINOR >= 6
- if (XftDefaultHasRender (dpy))
- {
- int render_order = XRenderQuerySubpixelOrder (dpy, screen);
- switch (render_order) {
- default:
- case SubPixelUnknown: subpixel = FC_RGBA_UNKNOWN; break;
- case SubPixelHorizontalRGB: subpixel = FC_RGBA_RGB; break;
- case SubPixelHorizontalBGR: subpixel = FC_RGBA_BGR; break;
- case SubPixelVerticalRGB: subpixel = FC_RGBA_VRGB; break;
- case SubPixelVerticalBGR: subpixel = FC_RGBA_VBGR; break;
- case SubPixelNone: subpixel = FC_RGBA_NONE; break;
- }
- }
-#endif
- FcPatternAddInteger (pattern, FC_RGBA,
- XftDefaultGetInteger (dpy, FC_RGBA, screen,
- subpixel));
- }
- if (FcPatternGet (pattern, FC_MINSPACE, 0, &v) == FcResultNoMatch)
- {
- FcPatternAddBool (pattern, FC_MINSPACE,
- XftDefaultGetBool (dpy, FC_MINSPACE, screen,
- False));
- }
- if (FcPatternGet (pattern, FC_DPI, 0, &v) == FcResultNoMatch)
- {
- dpi = (((double) DisplayHeight (dpy, screen) * 25.4) /
- (double) DisplayHeightMM (dpy, screen));
- FcPatternAddDouble (pattern, FC_DPI,
- XftDefaultGetDouble (dpy, FC_DPI, screen,
- dpi));
- }
- if (FcPatternGet (pattern, FC_SCALE, 0, &v) == FcResultNoMatch)
- {
- FcPatternAddDouble (pattern, FC_SCALE,
- XftDefaultGetDouble (dpy, FC_SCALE, screen, 1.0));
- }
- if (FcPatternGet (pattern, XFT_MAX_GLYPH_MEMORY, 0, &v) == FcResultNoMatch)
- {
- FcPatternAddInteger (pattern, XFT_MAX_GLYPH_MEMORY,
- XftDefaultGetInteger (dpy, XFT_MAX_GLYPH_MEMORY,
- screen,
- XFT_FONT_MAX_GLYPH_MEMORY));
- }
- FcDefaultSubstitute (pattern);
-}
-
+/*
+ * Copyright © 2000 Keith Packard
+ *
+ * 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.
+ */
+
+#include "xftint.h"
+
+_X_HIDDEN XftDisplayInfo *_XftDisplayInfo;
+
+static int
+_XftCloseDisplay (Display *dpy, XExtCodes *codes)
+{
+ XftDisplayInfo *info, **prev;
+
+ info = _XftDisplayInfoGet (dpy, FcFalse);
+ if (!info)
+ return 0;
+
+ /*
+ * Get rid of any dangling unreferenced fonts
+ */
+ info->max_unref_fonts = 0;
+ XftFontManageMemory (dpy);
+
+ /*
+ * Clean up the default values
+ */
+ if (info->defaults)
+ FcPatternDestroy (info->defaults);
+
+ /*
+ * Unhook from the global list
+ */
+ for (prev = &_XftDisplayInfo; (info = *prev); prev = &(*prev)->next)
+ if (info->display == dpy)
+ break;
+ *prev = info->next;
+
+ free (info);
+ return 0;
+}
+
+
+_X_HIDDEN XftDisplayInfo *
+_XftDisplayInfoGet (Display *dpy, FcBool createIfNecessary)
+{
+ XftDisplayInfo *info, **prev;
+ XRenderPictFormat pf;
+ int i;
+ int event_base, error_base;
+
+ for (prev = &_XftDisplayInfo; (info = *prev); prev = &(*prev)->next)
+ {
+ if (info->display == dpy)
+ {
+ /*
+ * MRU the list
+ */
+ if (prev != &_XftDisplayInfo)
+ {
+ *prev = info->next;
+ info->next = _XftDisplayInfo;
+ _XftDisplayInfo = info;
+ }
+ return info;
+ }
+ }
+ if (!createIfNecessary)
+ return NULL;
+
+ info = (XftDisplayInfo *) malloc (sizeof (XftDisplayInfo));
+ if (!info)
+ goto bail0;
+ info->codes = XAddExtension (dpy);
+ if (!info->codes)
+ goto bail1;
+ (void) XESetCloseDisplay (dpy, info->codes->extension, _XftCloseDisplay);
+
+ info->display = dpy;
+ info->defaults = NULL;
+ info->solidFormat = NULL;
+ info->hasRender = (XRenderQueryExtension (dpy, &event_base, &error_base) &&
+ (XRenderFindVisualFormat (dpy, DefaultVisual (dpy, DefaultScreen (dpy))) != NULL));
+ info->use_free_glyphs = FcTrue;
+ if (info->hasRender)
+ {
+ int major, minor;
+ XRenderQueryVersion (dpy, &major, &minor);
+ if (major < 0 || (major == 0 && minor <= 2))
+ info->use_free_glyphs = FcFalse;
+
+ pf.type = PictTypeDirect;
+ pf.depth = 32;
+ pf.direct.redMask = 0xff;
+ pf.direct.greenMask = 0xff;
+ pf.direct.blueMask = 0xff;
+ pf.direct.alphaMask = 0xff;
+ info->solidFormat = XRenderFindFormat (dpy,
+ (PictFormatType|
+ PictFormatDepth|
+ PictFormatRedMask|
+ PictFormatGreenMask|
+ PictFormatBlueMask|
+ PictFormatAlphaMask),
+ &pf,
+ 0);
+ }
+ if (XftDebug () & XFT_DBG_RENDER)
+ {
+ Visual *visual = DefaultVisual (dpy, DefaultScreen (dpy));
+ XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
+
+ printf ("XftDisplayInfoGet Default visual 0x%x ",
+ (int) visual->visualid);
+ if (format)
+ {
+ if (format->type == PictTypeDirect)
+ {
+ printf ("format %d,%d,%d,%d\n",
+ format->direct.alpha,
+ format->direct.red,
+ format->direct.green,
+ format->direct.blue);
+ }
+ else
+ {
+ printf ("format indexed\n");
+ }
+ }
+ else
+ printf ("No Render format for default visual\n");
+
+ printf ("XftDisplayInfoGet initialized, hasRender set to \"%s\"\n",
+ info->hasRender ? "True" : "False");
+ }
+ for (i = 0; i < XFT_NUM_SOLID_COLOR; i++)
+ {
+ info->colors[i].screen = -1;
+ info->colors[i].pict = 0;
+ }
+ info->fonts = NULL;
+
+ info->next = _XftDisplayInfo;
+ _XftDisplayInfo = info;
+
+ info->glyph_memory = 0;
+ info->max_glyph_memory = XftDefaultGetInteger (dpy,
+ XFT_MAX_GLYPH_MEMORY, 0,
+ XFT_DPY_MAX_GLYPH_MEMORY);
+ if (XftDebug () & XFT_DBG_CACHE)
+ printf ("global max cache memory %ld\n", info->max_glyph_memory);
+
+
+ info->num_unref_fonts = 0;
+ info->max_unref_fonts = XftDefaultGetInteger (dpy,
+ XFT_MAX_UNREF_FONTS, 0,
+ XFT_DPY_MAX_UNREF_FONTS);
+ if (XftDebug() & XFT_DBG_CACHE)
+ printf ("global max unref fonts %d\n", info->max_unref_fonts);
+
+ memset (info->fontHash, '\0', sizeof (XftFont *) * XFT_NUM_FONT_HASH);
+ return info;
+
+bail1:
+ free (info);
+bail0:
+ if (XftDebug () & XFT_DBG_RENDER)
+ {
+ printf ("XftDisplayInfoGet failed to initialize, Xft unhappy\n");
+ }
+ return NULL;
+}
+
+/*
+ * Reduce memory usage in X server
+ */
+
+static void
+_XftDisplayValidateMemory (XftDisplayInfo *info)
+{
+ XftFont *public;
+ XftFontInt *font;
+ unsigned long glyph_memory;
+
+ glyph_memory = 0;
+ for (public = info->fonts; public; public = font->next)
+ {
+ font = (XftFontInt *) public;
+ glyph_memory += font->glyph_memory;
+ }
+ if (glyph_memory != info->glyph_memory)
+ printf ("Display glyph cache incorrect has %ld bytes, should have %ld\n",
+ info->glyph_memory, glyph_memory);
+}
+
+_X_HIDDEN void
+_XftDisplayManageMemory (Display *dpy)
+{
+ XftDisplayInfo *info = _XftDisplayInfoGet (dpy, False);
+ unsigned long glyph_memory;
+ XftFont *public;
+ XftFontInt *font;
+
+ if (!info || !info->max_glyph_memory)
+ return;
+ if (XftDebug () & XFT_DBG_CACHE)
+ {
+ if (info->glyph_memory > info->max_glyph_memory)
+ printf ("Reduce global memory from %ld to %ld\n",
+ info->glyph_memory, info->max_glyph_memory);
+ _XftDisplayValidateMemory (info);
+ }
+ while (info->glyph_memory > info->max_glyph_memory)
+ {
+ glyph_memory = rand () % info->glyph_memory;
+ public = info->fonts;
+ while (public)
+ {
+ font = (XftFontInt *) public;
+
+ if (font->glyph_memory > glyph_memory)
+ {
+ _XftFontUncacheGlyph (dpy, public);
+ break;
+ }
+ public = font->next;
+ glyph_memory -= font->glyph_memory;
+ }
+ }
+ if (XftDebug () & XFT_DBG_CACHE)
+ _XftDisplayValidateMemory (info);
+}
+
+_X_EXPORT Bool
+XftDefaultHasRender (Display *dpy)
+{
+ XftDisplayInfo *info = _XftDisplayInfoGet (dpy, True);
+
+ if (!info)
+ return False;
+ return info->hasRender;
+}
+
+_X_EXPORT Bool
+XftDefaultSet (Display *dpy, FcPattern *defaults)
+{
+ XftDisplayInfo *info = _XftDisplayInfoGet (dpy, True);
+
+ if (!info)
+ return False;
+ if (info->defaults)
+ FcPatternDestroy (info->defaults);
+ info->defaults = defaults;
+ if (!info->max_glyph_memory)
+ info->max_glyph_memory = XFT_DPY_MAX_GLYPH_MEMORY;
+ info->max_glyph_memory = XftDefaultGetInteger (dpy,
+ XFT_MAX_GLYPH_MEMORY, 0,
+ info->max_glyph_memory);
+ if (!info->max_unref_fonts)
+ info->max_unref_fonts = XFT_DPY_MAX_UNREF_FONTS;
+ info->max_unref_fonts = XftDefaultGetInteger (dpy,
+ XFT_MAX_UNREF_FONTS, 0,
+ info->max_unref_fonts);
+ return True;
+}
+
+_X_HIDDEN int
+XftDefaultParseBool (char *v)
+{
+ char c0, c1;
+
+ c0 = *v;
+ if (isupper ((int)c0))
+ c0 = tolower (c0);
+ if (c0 == 't' || c0 == 'y' || c0 == '1')
+ return 1;
+ if (c0 == 'f' || c0 == 'n' || c0 == '0')
+ return 0;
+ if (c0 == 'o')
+ {
+ c1 = v[1];
+ if (isupper ((int)c1))
+ c1 = tolower (c1);
+ if (c1 == 'n')
+ return 1;
+ if (c1 == 'f')
+ return 0;
+ }
+ return -1;
+}
+
+static Bool
+_XftDefaultInitBool (Display *dpy, FcPattern *pat, char *option)
+{
+ char *v;
+ int i;
+
+ v = XGetDefault (dpy, "Xft", option);
+ if (v && (i = XftDefaultParseBool (v)) >= 0)
+ return FcPatternAddBool (pat, option, i != 0);
+ return True;
+}
+
+static Bool
+_XftDefaultInitDouble (Display *dpy, FcPattern *pat, char *option)
+{
+ char *v, *e;
+ double d;
+
+ v = XGetDefault (dpy, "Xft", option);
+ if (v)
+ {
+ d = strtod (v, &e);
+ if (e != v)
+ return FcPatternAddDouble (pat, option, d);
+ }
+ return True;
+}
+
+static Bool
+_XftDefaultInitInteger (Display *dpy, FcPattern *pat, char *option)
+{
+ char *v, *e;
+ int i;
+
+ v = XGetDefault (dpy, "Xft", option);
+ if (v)
+ {
+ if (FcNameConstant ((FcChar8 *) v, &i))
+ return FcPatternAddInteger (pat, option, i);
+ i = strtol (v, &e, 0);
+ if (e != v)
+ return FcPatternAddInteger (pat, option, i);
+ }
+ return True;
+}
+
+static FcPattern *
+_XftDefaultInit (Display *dpy)
+{
+ FcPattern *pat;
+
+ pat = FcPatternCreate ();
+ if (!pat)
+ goto bail0;
+
+ if (!_XftDefaultInitDouble (dpy, pat, FC_SCALE))
+ goto bail1;
+ if (!_XftDefaultInitDouble (dpy, pat, FC_DPI))
+ goto bail1;
+ if (!_XftDefaultInitBool (dpy, pat, XFT_RENDER))
+ goto bail1;
+ if (!_XftDefaultInitInteger (dpy, pat, FC_RGBA))
+ goto bail1;
+ if (!_XftDefaultInitBool (dpy, pat, FC_ANTIALIAS))
+ goto bail1;
+#ifdef FC_EMBOLDEN
+ if (!_XftDefaultInitBool (dpy, pat, FC_EMBOLDEN))
+ goto bail1;
+#endif
+ if (!_XftDefaultInitBool (dpy, pat, FC_AUTOHINT))
+ goto bail1;
+#ifdef FC_HINT_STYLE
+ if (!_XftDefaultInitInteger (dpy, pat, FC_HINT_STYLE))
+ goto bail1;
+#endif
+ if (!_XftDefaultInitBool (dpy, pat, FC_HINTING))
+ goto bail1;
+ if (!_XftDefaultInitBool (dpy, pat, FC_MINSPACE))
+ goto bail1;
+ if (!_XftDefaultInitInteger (dpy, pat, XFT_MAX_GLYPH_MEMORY))
+ goto bail1;
+
+ return pat;
+
+bail1:
+ FcPatternDestroy (pat);
+bail0:
+ return NULL;
+}
+
+static FcResult
+_XftDefaultGet (Display *dpy, const char *object, int screen, FcValue *v)
+{
+ XftDisplayInfo *info = _XftDisplayInfoGet (dpy, True);
+ FcResult r;
+
+ if (!info)
+ return FcResultNoMatch;
+
+ if (!info->defaults)
+ {
+ info->defaults = _XftDefaultInit (dpy);
+ if (!info->defaults)
+ return FcResultNoMatch;
+ }
+ r = FcPatternGet (info->defaults, object, screen, v);
+ if (r == FcResultNoId && screen > 0)
+ r = FcPatternGet (info->defaults, object, 0, v);
+ return r;
+}
+
+_X_HIDDEN Bool
+XftDefaultGetBool (Display *dpy, const char *object, int screen, Bool def)
+{
+ FcResult r;
+ FcValue v;
+
+ r = _XftDefaultGet (dpy, object, screen, &v);
+ if (r != FcResultMatch || v.type != FcTypeBool)
+ return def;
+ return v.u.b;
+}
+
+_X_HIDDEN int
+XftDefaultGetInteger (Display *dpy, const char *object, int screen, int def)
+{
+ FcResult r;
+ FcValue v;
+
+ r = _XftDefaultGet (dpy, object, screen, &v);
+ if (r != FcResultMatch || v.type != FcTypeInteger)
+ return def;
+ return v.u.i;
+}
+
+_X_HIDDEN double
+XftDefaultGetDouble (Display *dpy, const char *object, int screen, double def)
+{
+ FcResult r;
+ FcValue v;
+
+ r = _XftDefaultGet (dpy, object, screen, &v);
+ if (r != FcResultMatch || v.type != FcTypeDouble)
+ return def;
+ return v.u.d;
+}
+
+_X_EXPORT void
+XftDefaultSubstitute (Display *dpy, int screen, FcPattern *pattern)
+{
+ FcValue v;
+ double dpi;
+
+ if (FcPatternGet (pattern, XFT_RENDER, 0, &v) == FcResultNoMatch)
+ {
+ FcPatternAddBool (pattern, XFT_RENDER,
+ XftDefaultGetBool (dpy, XFT_RENDER, screen,
+ XftDefaultHasRender (dpy)));
+ }
+ if (FcPatternGet (pattern, FC_ANTIALIAS, 0, &v) == FcResultNoMatch)
+ {
+ FcPatternAddBool (pattern, FC_ANTIALIAS,
+ XftDefaultGetBool (dpy, FC_ANTIALIAS, screen,
+ True));
+ }
+#ifdef FC_EMBOLDEN
+ if (FcPatternGet (pattern, FC_EMBOLDEN, 0, &v) == FcResultNoMatch)
+ {
+ FcPatternAddBool (pattern, FC_EMBOLDEN,
+ XftDefaultGetBool (dpy, FC_EMBOLDEN, screen,
+ False));
+ }
+#endif
+ if (FcPatternGet (pattern, FC_HINTING, 0, &v) == FcResultNoMatch)
+ {
+ FcPatternAddBool (pattern, FC_HINTING,
+ XftDefaultGetBool (dpy, FC_HINTING, screen,
+ True));
+ }
+#ifdef FC_HINT_STYLE
+ if (FcPatternGet (pattern, FC_HINT_STYLE, 0, &v) == FcResultNoMatch)
+ {
+ FcPatternAddInteger (pattern, FC_HINT_STYLE,
+ XftDefaultGetInteger (dpy, FC_HINT_STYLE, screen,
+ FC_HINT_FULL));
+ }
+#endif
+ if (FcPatternGet (pattern, FC_AUTOHINT, 0, &v) == FcResultNoMatch)
+ {
+ FcPatternAddBool (pattern, FC_AUTOHINT,
+ XftDefaultGetBool (dpy, FC_AUTOHINT, screen,
+ False));
+ }
+ if (FcPatternGet (pattern, FC_RGBA, 0, &v) == FcResultNoMatch)
+ {
+ int subpixel = FC_RGBA_UNKNOWN;
+#if RENDER_MAJOR > 0 || RENDER_MINOR >= 6
+ if (XftDefaultHasRender (dpy))
+ {
+ int render_order = XRenderQuerySubpixelOrder (dpy, screen);
+ switch (render_order) {
+ default:
+ case SubPixelUnknown: subpixel = FC_RGBA_UNKNOWN; break;
+ case SubPixelHorizontalRGB: subpixel = FC_RGBA_RGB; break;
+ case SubPixelHorizontalBGR: subpixel = FC_RGBA_BGR; break;
+ case SubPixelVerticalRGB: subpixel = FC_RGBA_VRGB; break;
+ case SubPixelVerticalBGR: subpixel = FC_RGBA_VBGR; break;
+ case SubPixelNone: subpixel = FC_RGBA_NONE; break;
+ }
+ }
+#endif
+ FcPatternAddInteger (pattern, FC_RGBA,
+ XftDefaultGetInteger (dpy, FC_RGBA, screen,
+ subpixel));
+ }
+ if (FcPatternGet (pattern, FC_MINSPACE, 0, &v) == FcResultNoMatch)
+ {
+ FcPatternAddBool (pattern, FC_MINSPACE,
+ XftDefaultGetBool (dpy, FC_MINSPACE, screen,
+ False));
+ }
+ if (FcPatternGet (pattern, FC_DPI, 0, &v) == FcResultNoMatch)
+ {
+ dpi = (((double) DisplayHeight (dpy, screen) * 25.4) /
+ (double) DisplayHeightMM (dpy, screen));
+ FcPatternAddDouble (pattern, FC_DPI,
+ XftDefaultGetDouble (dpy, FC_DPI, screen,
+ dpi));
+ }
+ if (FcPatternGet (pattern, FC_SCALE, 0, &v) == FcResultNoMatch)
+ {
+ FcPatternAddDouble (pattern, FC_SCALE,
+ XftDefaultGetDouble (dpy, FC_SCALE, screen, 1.0));
+ }
+ if (FcPatternGet (pattern, XFT_MAX_GLYPH_MEMORY, 0, &v) == FcResultNoMatch)
+ {
+ FcPatternAddInteger (pattern, XFT_MAX_GLYPH_MEMORY,
+ XftDefaultGetInteger (dpy, XFT_MAX_GLYPH_MEMORY,
+ screen,
+ XFT_FONT_MAX_GLYPH_MEMORY));
+ }
+ FcDefaultSubstitute (pattern);
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 19:14:20 +0000