diff options
Diffstat (limited to 'libXfont/src/util/fontaccel.c')
| -rw-r--r-- | libXfont/src/util/fontaccel.c | 211 |
1 files changed, 104 insertions, 107 deletions
diff --git a/libXfont/src/util/fontaccel.c b/libXfont/src/util/fontaccel.c index c37f69a39..4848aac75 100644 --- a/libXfont/src/util/fontaccel.c +++ b/libXfont/src/util/fontaccel.c @@ -1,107 +1,104 @@ -/* $Xorg: fontaccel.c,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/util/fontaccel.c,v 1.6 2001/01/17 19:43:33 dawes Exp $ */ - -/* - * Author: Keith Packard, MIT X Consortium - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <X11/fonts/fontmisc.h> -#include <X11/fonts/fontstruct.h> -#include <X11/fonts/fontutil.h> - -void -FontComputeInfoAccelerators(FontInfoPtr pFontInfo) -{ - pFontInfo->noOverlap = FALSE; - if (pFontInfo->maxOverlap <= pFontInfo->minbounds.leftSideBearing) - pFontInfo->noOverlap = TRUE; - - if ((pFontInfo->minbounds.ascent == pFontInfo->maxbounds.ascent) && - (pFontInfo->minbounds.descent == pFontInfo->maxbounds.descent) && - (pFontInfo->minbounds.leftSideBearing == - pFontInfo->maxbounds.leftSideBearing) && - (pFontInfo->minbounds.rightSideBearing == - pFontInfo->maxbounds.rightSideBearing) && - (pFontInfo->minbounds.characterWidth == - pFontInfo->maxbounds.characterWidth) && - (pFontInfo->minbounds.attributes == pFontInfo->maxbounds.attributes)) { - pFontInfo->constantMetrics = TRUE; - if ((pFontInfo->maxbounds.leftSideBearing == 0) && - (pFontInfo->maxbounds.rightSideBearing == - pFontInfo->maxbounds.characterWidth) && - (pFontInfo->maxbounds.ascent == pFontInfo->fontAscent) && - (pFontInfo->maxbounds.descent == pFontInfo->fontDescent)) - pFontInfo->terminalFont = TRUE; - else - pFontInfo->terminalFont = FALSE; - } else { - pFontInfo->constantMetrics = FALSE; - pFontInfo->terminalFont = FALSE; - } - if (pFontInfo->minbounds.characterWidth == pFontInfo->maxbounds.characterWidth) - pFontInfo->constantWidth = TRUE; - else - pFontInfo->constantWidth = FALSE; - - if ((pFontInfo->minbounds.leftSideBearing >= 0) && - (pFontInfo->maxOverlap <= 0) && - (pFontInfo->minbounds.ascent >= -pFontInfo->fontDescent) && - (pFontInfo->maxbounds.ascent <= pFontInfo->fontAscent) && - (-pFontInfo->minbounds.descent <= pFontInfo->fontAscent) && - (pFontInfo->maxbounds.descent <= pFontInfo->fontDescent)) - pFontInfo->inkInside = TRUE; - else - pFontInfo->inkInside = FALSE; -} - -int -FontCouldBeTerminal(FontInfoPtr pFontInfo) -{ - if ((pFontInfo->minbounds.leftSideBearing >= 0) && - (pFontInfo->maxbounds.rightSideBearing <= pFontInfo->maxbounds.characterWidth) && - (pFontInfo->minbounds.characterWidth == pFontInfo->maxbounds.characterWidth) && - (pFontInfo->maxbounds.ascent <= pFontInfo->fontAscent) && - (pFontInfo->maxbounds.descent <= pFontInfo->fontDescent) && - (pFontInfo->maxbounds.leftSideBearing != 0 || - pFontInfo->minbounds.rightSideBearing != pFontInfo->minbounds.characterWidth || - pFontInfo->minbounds.ascent != pFontInfo->fontAscent || - pFontInfo->minbounds.descent != pFontInfo->fontDescent)) { - /* blow off font with nothing but a SPACE */ - if (pFontInfo->maxbounds.ascent == 0 && - pFontInfo->maxbounds.descent == 0) - return FALSE; - return TRUE; - } - return FALSE; -} +/*
+
+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.
+
+*/
+
+/*
+ * Author: Keith Packard, MIT X Consortium
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/fonts/fontmisc.h>
+#include <X11/fonts/fontstruct.h>
+#include <X11/fonts/fontutil.h>
+
+void
+FontComputeInfoAccelerators(FontInfoPtr pFontInfo)
+{
+ pFontInfo->noOverlap = FALSE;
+ if (pFontInfo->maxOverlap <= pFontInfo->minbounds.leftSideBearing)
+ pFontInfo->noOverlap = TRUE;
+
+ if ((pFontInfo->minbounds.ascent == pFontInfo->maxbounds.ascent) &&
+ (pFontInfo->minbounds.descent == pFontInfo->maxbounds.descent) &&
+ (pFontInfo->minbounds.leftSideBearing ==
+ pFontInfo->maxbounds.leftSideBearing) &&
+ (pFontInfo->minbounds.rightSideBearing ==
+ pFontInfo->maxbounds.rightSideBearing) &&
+ (pFontInfo->minbounds.characterWidth ==
+ pFontInfo->maxbounds.characterWidth) &&
+ (pFontInfo->minbounds.attributes == pFontInfo->maxbounds.attributes)) {
+ pFontInfo->constantMetrics = TRUE;
+ if ((pFontInfo->maxbounds.leftSideBearing == 0) &&
+ (pFontInfo->maxbounds.rightSideBearing ==
+ pFontInfo->maxbounds.characterWidth) &&
+ (pFontInfo->maxbounds.ascent == pFontInfo->fontAscent) &&
+ (pFontInfo->maxbounds.descent == pFontInfo->fontDescent))
+ pFontInfo->terminalFont = TRUE;
+ else
+ pFontInfo->terminalFont = FALSE;
+ } else {
+ pFontInfo->constantMetrics = FALSE;
+ pFontInfo->terminalFont = FALSE;
+ }
+ if (pFontInfo->minbounds.characterWidth == pFontInfo->maxbounds.characterWidth)
+ pFontInfo->constantWidth = TRUE;
+ else
+ pFontInfo->constantWidth = FALSE;
+
+ if ((pFontInfo->minbounds.leftSideBearing >= 0) &&
+ (pFontInfo->maxOverlap <= 0) &&
+ (pFontInfo->minbounds.ascent >= -pFontInfo->fontDescent) &&
+ (pFontInfo->maxbounds.ascent <= pFontInfo->fontAscent) &&
+ (-pFontInfo->minbounds.descent <= pFontInfo->fontAscent) &&
+ (pFontInfo->maxbounds.descent <= pFontInfo->fontDescent))
+ pFontInfo->inkInside = TRUE;
+ else
+ pFontInfo->inkInside = FALSE;
+}
+
+int
+FontCouldBeTerminal(FontInfoPtr pFontInfo)
+{
+ if ((pFontInfo->minbounds.leftSideBearing >= 0) &&
+ (pFontInfo->maxbounds.rightSideBearing <= pFontInfo->maxbounds.characterWidth) &&
+ (pFontInfo->minbounds.characterWidth == pFontInfo->maxbounds.characterWidth) &&
+ (pFontInfo->maxbounds.ascent <= pFontInfo->fontAscent) &&
+ (pFontInfo->maxbounds.descent <= pFontInfo->fontDescent) &&
+ (pFontInfo->maxbounds.leftSideBearing != 0 ||
+ pFontInfo->minbounds.rightSideBearing != pFontInfo->minbounds.characterWidth ||
+ pFontInfo->minbounds.ascent != pFontInfo->fontAscent ||
+ pFontInfo->minbounds.descent != pFontInfo->fontDescent)) {
+ /* blow off font with nothing but a SPACE */
+ if (pFontInfo->maxbounds.ascent == 0 &&
+ pFontInfo->maxbounds.descent == 0)
+ return FALSE;
+ return TRUE;
+ }
+ return FALSE;
+}
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