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authormarha <marha@users.sourceforge.net>2011-01-19 10:14:56 +0000
committermarha <marha@users.sourceforge.net>2011-01-19 10:14:56 +0000
commite75ba771a1b0e80ef8413d368213a942455a7e2e (patch)
treeeda0e3b99b6ef7da7474c3b5aad38eb322372d22 /libXft/src/xftrender.c
parent36c829ccf632f2f3adc6d13313406d6383b33993 (diff)
parent6e3cfc5bc8ca969856e4d56dec01870df709d75a (diff)
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svn merge ^/branches/released .
Diffstat (limited to 'libXft/src/xftrender.c')
-rw-r--r--libXft/src/xftrender.c1007
1 files changed, 1007 insertions, 0 deletions
diff --git a/libXft/src/xftrender.c b/libXft/src/xftrender.c
new file mode 100644
index 000000000..94c211bde
--- /dev/null
+++ b/libXft/src/xftrender.c
@@ -0,0 +1,1007 @@
+/*
+ * 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"
+
+#define NUM_LOCAL 1024
+#define NUM_ELT_LOCAL 128
+
+/*
+ * Use the Render extension to draw the glyphs
+ */
+
+_X_EXPORT void
+XftGlyphRender (Display *dpy,
+ int op,
+ Picture src,
+ XftFont *pub,
+ Picture dst,
+ int srcx,
+ int srcy,
+ int x,
+ int y,
+ _Xconst FT_UInt *glyphs,
+ int nglyphs)
+{
+ XftFontInt *font = (XftFontInt *) pub;
+ int i;
+ FT_UInt missing[XFT_NMISSING];
+ int nmissing;
+ FT_UInt g, max;
+ int size, width;
+ Glyph wire;
+ char *char8;
+ unsigned short *char16;
+ unsigned int *char32;
+ unsigned int char_local[NUM_LOCAL];
+ unsigned int *chars;
+ FcBool glyphs_loaded;
+
+ if (!font->format)
+ return;
+
+ /*
+ * Load missing glyphs
+ */
+ nmissing = 0;
+ max = 0;
+ glyphs_loaded = FcFalse;
+ for (i = 0; i < nglyphs; i++)
+ {
+ g = glyphs[i];
+ if (g > max)
+ max = g;
+ if (XftFontCheckGlyph (dpy, pub, FcTrue, g, missing, &nmissing))
+ glyphs_loaded = FcTrue;
+ }
+ if (nmissing)
+ XftFontLoadGlyphs (dpy, pub, FcTrue, missing, nmissing);
+
+ if (!font->glyphset)
+ goto bail1;
+ if (max < 0x100)
+ {
+ width = 1;
+ size = sizeof (char);
+ }
+ else if (max < 0x10000)
+ {
+ width = 2;
+ size = sizeof (unsigned short);
+ }
+ else
+ {
+ width = 4;
+ size = sizeof (unsigned int);
+ }
+ chars = char_local;
+ if (nglyphs * size > sizeof (char_local))
+ {
+ chars = malloc (nglyphs * size);
+ if (!chars)
+ goto bail1;
+ }
+ char8 = (char *) chars;
+ char16 = (unsigned short *) chars;
+ char32 = (unsigned int *) chars;
+ for (i = 0; i < nglyphs; i++)
+ {
+ wire = (Glyph) glyphs[i];
+ if (wire >= font->num_glyphs || !font->glyphs[wire])
+ wire = 0;
+ switch (width) {
+ case 1: char8[i] = (char) wire; break;
+ case 2: char16[i] = (unsigned short) wire; break;
+ case 4: char32[i] = (unsigned long) wire; break;
+ }
+ }
+ switch (width) {
+ case 1:
+ default:
+ XRenderCompositeString8 (dpy, op,
+ src, dst, font->format, font->glyphset,
+ srcx, srcy, x, y, char8, nglyphs);
+ break;
+ case 2:
+ XRenderCompositeString16(dpy, op,
+ src, dst, font->format, font->glyphset,
+ srcx, srcy, x, y, char16, nglyphs);
+ break;
+ case 4:
+ XRenderCompositeString32(dpy, op,
+ src, dst, font->format, font->glyphset,
+ srcx, srcy, x, y, char32, nglyphs);
+ break;
+ }
+ if (chars != char_local)
+ free (chars);
+bail1:
+ if (glyphs_loaded)
+ _XftFontManageMemory (dpy, pub);
+}
+
+_X_EXPORT void
+XftGlyphSpecRender (Display *dpy,
+ int op,
+ Picture src,
+ XftFont *pub,
+ Picture dst,
+ int srcx,
+ int srcy,
+ _Xconst XftGlyphSpec *glyphs,
+ int nglyphs)
+{
+ XftFontInt *font = (XftFontInt *) pub;
+ int i, j;
+ FT_UInt missing[XFT_NMISSING];
+ int nmissing;
+ int n;
+ FT_UInt g;
+ XftGlyph *glyph;
+ FT_UInt max;
+ int size, width;
+ char *char8;
+ unsigned short *char16;
+ unsigned int *char32;
+ unsigned int char_local[NUM_LOCAL];
+ unsigned int *chars;
+ XGlyphElt8 *elts;
+ XGlyphElt8 elts_local[NUM_ELT_LOCAL];
+ FcBool glyphs_loaded;
+ int nelt;
+ int x, y;
+
+ if (!font->format)
+ return;
+ if (!nglyphs)
+ return;
+
+ /*
+ * Load missing glyphs
+ */
+ max = 0;
+ nmissing = 0;
+ glyphs_loaded = FcFalse;
+ g = glyphs[0].glyph;
+ for (i = 0; i < nglyphs; i++)
+ {
+ g = glyphs[i].glyph;
+ if (g > max)
+ max = g;
+ if (XftFontCheckGlyph (dpy, pub, FcTrue, g, missing, &nmissing))
+ glyphs_loaded = FcTrue;
+ }
+ if (nmissing)
+ XftFontLoadGlyphs (dpy, pub, FcTrue, missing, nmissing);
+
+ if (!font->glyphset)
+ goto bail1;
+
+ /*
+ * See what encoding size is needed
+ */
+ if (max < 0x100)
+ {
+ size = sizeof (char);
+ width = 1;
+ }
+ else if (max < 0x10000)
+ {
+ size = sizeof (unsigned short);
+ width = 2;
+ }
+ else
+ {
+ size = sizeof (unsigned int);
+ width = 4;
+ }
+ chars = char_local;
+ if (nglyphs * size > NUM_LOCAL)
+ {
+ chars = malloc (nglyphs * size);
+ if (!chars)
+ goto bail1;
+ }
+ char8 = (char *) chars;
+ char16 = (unsigned short *) chars;
+ char32 = (unsigned int *) chars;
+
+ /*
+ * Compute the number of glyph elts needed
+ */
+ nelt = 1;
+ for (i = 0; i < nglyphs; i++)
+ {
+ g = glyphs[i].glyph;
+ /* Substitute default for non-existant glyphs */
+ if (g >= font->num_glyphs || !font->glyphs[g])
+ g = 0;
+ if (font->glyphs[g])
+ break;
+ }
+ if (i == nglyphs)
+ goto bail2;
+ glyph = font->glyphs[g];
+ x = glyphs[i].x + glyph->metrics.xOff;
+ y = glyphs[i].y + glyph->metrics.yOff;
+ while (++i < nglyphs)
+ {
+ g = glyphs[i].glyph;
+ /* Substitute default for non-existant glyphs */
+ if (g >= font->num_glyphs || !font->glyphs[g])
+ g = 0;
+ /*
+ * check to see if the glyph is placed where it would
+ * fall using the normal spacing
+ */
+ if ((glyph = font->glyphs[g]))
+ {
+ if (x != glyphs[i].x || y != glyphs[i].y)
+ {
+ x = glyphs[i].x;
+ y = glyphs[i].y;
+ ++nelt;
+ }
+ x += glyph->metrics.xOff;
+ y += glyph->metrics.yOff;
+ }
+ }
+
+ elts = elts_local;
+ if (nelt > NUM_ELT_LOCAL)
+ {
+ elts = malloc (nelt * sizeof (XGlyphElt8));
+ if (!elts)
+ goto bail2;
+ }
+
+ /*
+ * Generate the list of glyph elts
+ */
+ nelt = 0;
+ x = y = 0;
+ n = 0;
+ j = 0;
+ for (i = 0; i < nglyphs; i++)
+ {
+ g = glyphs[i].glyph;
+ /* Substitute default for non-existant glyphs */
+ if (g >= font->num_glyphs || !font->glyphs[g])
+ g = 0;
+ if ((glyph = font->glyphs[g]))
+ {
+ if (!i || x != glyphs[i].x || y != glyphs[i].y)
+ {
+ if (n)
+ {
+ elts[nelt].nchars = n;
+ nelt++;
+ }
+ elts[nelt].glyphset = font->glyphset;
+ elts[nelt].chars = char8 + size * j;
+ elts[nelt].xOff = glyphs[i].x - x;
+ elts[nelt].yOff = glyphs[i].y - y;
+ x = glyphs[i].x;
+ y = glyphs[i].y;
+ n = 0;
+ }
+ switch (width) {
+ case 1: char8[j] = (char) g; break;
+ case 2: char16[j] = (unsigned short) g; break;
+ case 4: char32[j] = (unsigned int) g; break;
+ }
+ x += glyph->metrics.xOff;
+ y += glyph->metrics.yOff;
+ j++;
+ n++;
+ }
+ }
+ if (n)
+ {
+ elts[nelt].nchars = n;
+ nelt++;
+ }
+ switch (width) {
+ case 1:
+ XRenderCompositeText8 (dpy, op, src, dst, font->format,
+ srcx, srcy, glyphs[0].x, glyphs[0].y,
+ elts, nelt);
+ break;
+ case 2:
+ XRenderCompositeText16 (dpy, op, src, dst, font->format,
+ srcx, srcy, glyphs[0].x, glyphs[0].y,
+ (XGlyphElt16 *) elts, nelt);
+ break;
+ case 4:
+ XRenderCompositeText32 (dpy, op, src, dst, font->format,
+ srcx, srcy, glyphs[0].x, glyphs[0].y,
+ (XGlyphElt32 *) elts, nelt);
+ break;
+ }
+
+ if (elts != elts_local)
+ free (elts);
+bail2:
+ if (chars != char_local)
+ free (chars);
+bail1:
+ if (glyphs_loaded)
+ _XftFontManageMemory (dpy, pub);
+}
+
+_X_EXPORT void
+XftCharSpecRender (Display *dpy,
+ int op,
+ Picture src,
+ XftFont *pub,
+ Picture dst,
+ int srcx,
+ int srcy,
+ _Xconst XftCharSpec *chars,
+ int len)
+{
+ XftGlyphSpec *glyphs, glyphs_local[NUM_LOCAL];
+ int i;
+
+ if (len <= NUM_LOCAL)
+ glyphs = glyphs_local;
+ else
+ {
+ glyphs = malloc (len * sizeof (XftGlyphSpec));
+ if (!glyphs)
+ return;
+ }
+ for (i = 0; i < len; i++)
+ {
+ glyphs[i].glyph = XftCharIndex(dpy, pub, chars[i].ucs4);
+ glyphs[i].x = chars[i].x;
+ glyphs[i].y = chars[i].y;
+ }
+
+ XftGlyphSpecRender (dpy, op, src, pub, dst, srcx, srcy, glyphs, len);
+
+ if (glyphs != glyphs_local)
+ free (glyphs);
+}
+
+/*
+ * Choose which format to draw text in when drawing with fonts
+ * of different formats. The trick is that ARGB formats aren't
+ * compatible with A formats as PictOpAdd does the wrong thing, so
+ * fall back to an A format when presented with an ARGB and A format
+ */
+
+#define XftIsARGBFormat(a) ((a)->depth == 32)
+
+static XRenderPictFormat *
+XftPreferFormat (Display *dpy, XRenderPictFormat *a, XRenderPictFormat *b)
+{
+ XRenderPictFormat *prefer = NULL;
+
+ if (a == b)
+ prefer = a;
+ else if (XftIsARGBFormat(a) != XftIsARGBFormat(b))
+ prefer = XRenderFindStandardFormat (dpy, PictStandardA8);
+ else if (a->depth > b->depth)
+ prefer = a;
+ else
+ prefer = b;
+ return prefer;
+}
+
+_X_EXPORT void
+XftGlyphFontSpecRender (Display *dpy,
+ int op,
+ Picture src,
+ Picture dst,
+ int srcx,
+ int srcy,
+ _Xconst XftGlyphFontSpec *glyphs,
+ int nglyphs)
+{
+ int i, j;
+ XftFont *prevPublic;
+ XftFontInt *firstFont;
+ XRenderPictFormat *format;
+ FT_UInt missing[XFT_NMISSING];
+ int nmissing;
+ int n;
+ FT_UInt g;
+ XftGlyph *glyph;
+ FT_UInt max;
+ int size, width;
+ char *char8;
+ unsigned short *char16;
+ unsigned int *char32;
+ unsigned int char_local[NUM_LOCAL];
+ unsigned int *chars;
+ XGlyphElt8 *elts;
+ XGlyphElt8 elts_local[NUM_ELT_LOCAL];
+ FcBool glyphs_loaded;
+ int nelt;
+ int x, y;
+
+ if (!nglyphs)
+ return;
+
+ /*
+ * Load missing glyphs. Have to load them
+ * one at a time in case the font changes
+ */
+ max = 0;
+ glyphs_loaded = FcFalse;
+ g = glyphs[0].glyph;
+ for (i = 0; i < nglyphs; i++)
+ {
+ XftFont *pub = glyphs[i].font;
+ XftFontInt *font = (XftFontInt *) pub;
+ g = glyphs[i].glyph;
+ if (g > max)
+ max = g;
+ nmissing = 0;
+ if (XftFontCheckGlyph (dpy, pub, FcTrue, g, missing, &nmissing))
+ glyphs_loaded = FcTrue;
+ if (nmissing)
+ XftFontLoadGlyphs (dpy, pub, FcTrue, missing, nmissing);
+ if (!font->format)
+ goto bail1;
+ if (!font->glyphset)
+ goto bail1;
+ }
+
+ /*
+ * See what encoding size is needed
+ */
+ if (max < 0x100)
+ {
+ size = sizeof (char);
+ width = 1;
+ }
+ else if (max < 0x10000)
+ {
+ size = sizeof (unsigned short);
+ width = 2;
+ }
+ else
+ {
+ size = sizeof (unsigned int);
+ width = 4;
+ }
+ chars = char_local;
+ if (nglyphs * size > NUM_LOCAL)
+ {
+ chars = malloc (nglyphs * size);
+ if (!chars)
+ goto bail1;
+ }
+ char8 = (char *) chars;
+ char16 = (unsigned short *) chars;
+ char32 = (unsigned int *) chars;
+
+ /*
+ * Compute the number of glyph elts needed
+ */
+ nelt = 1;
+ firstFont = NULL;
+ for (i = 0; i < nglyphs; i++)
+ {
+ XftFont *pub = glyphs[i].font;
+ XftFontInt *font = (XftFontInt *) pub;
+ g = glyphs[i].glyph;
+ /* Substitute default for non-existant glyphs */
+ if (g >= font->num_glyphs || !font->glyphs[g])
+ g = 0;
+ if (font->glyphs[g])
+ {
+ firstFont = font;
+ break;
+ }
+ }
+ if (i == nglyphs || !firstFont)
+ goto bail2;
+ glyph = firstFont->glyphs[g];
+ format = firstFont->format;
+ x = glyphs[i].x + glyph->metrics.xOff;
+ y = glyphs[i].y + glyph->metrics.yOff;
+ prevPublic = NULL;
+ while (++i < nglyphs)
+ {
+ XftFont *pub = glyphs[i].font;
+ XftFontInt *font = (XftFontInt *) pub;
+ g = glyphs[i].glyph;
+ /* Substitute default for non-existant glyphs */
+ if (g >= font->num_glyphs || !font->glyphs[g])
+ g = 0;
+ /*
+ * check to see if the glyph is placed where it would
+ * fall using the normal spacing
+ */
+ if ((glyph = font->glyphs[g]))
+ {
+ if (pub != prevPublic || x != glyphs[i].x || y != glyphs[i].y)
+ {
+ prevPublic = pub;
+ if (font->format != format)
+ format = XftPreferFormat (dpy, font->format, format);
+ x = glyphs[i].x;
+ y = glyphs[i].y;
+ ++nelt;
+ }
+ x += glyph->metrics.xOff;
+ y += glyph->metrics.yOff;
+ }
+ }
+
+ elts = elts_local;
+ if (nelt > NUM_ELT_LOCAL)
+ {
+ elts = malloc (nelt * sizeof (XGlyphElt8));
+ if (!elts)
+ goto bail2;
+ }
+
+ /*
+ * Generate the list of glyph elts
+ */
+ nelt = 0;
+ x = y = 0;
+ n = 0;
+ j = 0;
+ prevPublic = NULL;
+ for (i = 0; i < nglyphs; i++)
+ {
+ XftFont *pub = glyphs[i].font;
+ XftFontInt *font = (XftFontInt *) pub;
+
+ g = glyphs[i].glyph;
+ /* Substitute default for non-existant glyphs */
+ if (g >= font->num_glyphs || !font->glyphs[g])
+ g = 0;
+ if ((glyph = font->glyphs[g]))
+ {
+ if (!i || pub != prevPublic || x != glyphs[i].x || y != glyphs[i].y)
+ {
+ if (n)
+ {
+ elts[nelt].nchars = n;
+ nelt++;
+ }
+ elts[nelt].glyphset = font->glyphset;
+ elts[nelt].chars = char8 + size * j;
+ elts[nelt].xOff = glyphs[i].x - x;
+ elts[nelt].yOff = glyphs[i].y - y;
+ prevPublic = pub;
+ x = glyphs[i].x;
+ y = glyphs[i].y;
+ n = 0;
+ }
+ switch (width) {
+ case 1: char8[j] = (char) g; break;
+ case 2: char16[j] = (unsigned short) g; break;
+ case 4: char32[j] = (unsigned int) g; break;
+ }
+ x += glyph->metrics.xOff;
+ y += glyph->metrics.yOff;
+ j++;
+ n++;
+ }
+ }
+ if (n)
+ {
+ elts[nelt].nchars = n;
+ nelt++;
+ }
+ switch (width) {
+ case 1:
+ XRenderCompositeText8 (dpy, op, src, dst, format,
+ srcx, srcy, glyphs[0].x, glyphs[0].y,
+ elts, nelt);
+ break;
+ case 2:
+ XRenderCompositeText16 (dpy, op, src, dst, format,
+ srcx, srcy, glyphs[0].x, glyphs[0].y,
+ (XGlyphElt16 *) elts, nelt);
+ break;
+ case 4:
+ XRenderCompositeText32 (dpy, op, src, dst, format,
+ srcx, srcy, glyphs[0].x, glyphs[0].y,
+ (XGlyphElt32 *) elts, nelt);
+ break;
+ }
+
+ if (elts != elts_local)
+ free (elts);
+bail2:
+ if (chars != char_local)
+ free (chars);
+bail1:
+ if (glyphs_loaded)
+ for (i = 0; i < nglyphs; i++)
+ _XftFontManageMemory (dpy, glyphs[i].font);
+}
+
+_X_EXPORT void
+XftCharFontSpecRender (Display *dpy,
+ int op,
+ Picture src,
+ Picture dst,
+ int srcx,
+ int srcy,
+ _Xconst XftCharFontSpec *chars,
+ int len)
+{
+ XftGlyphFontSpec *glyphs, glyphs_local[NUM_LOCAL];
+ int i;
+
+ if (len <= NUM_LOCAL)
+ glyphs = glyphs_local;
+ else
+ {
+ glyphs = malloc (len * sizeof (XftGlyphFontSpec));
+ if (!glyphs)
+ return;
+ }
+ for (i = 0; i < len; i++)
+ {
+ glyphs[i].font = chars[i].font;
+ glyphs[i].glyph = XftCharIndex(dpy, glyphs[i].font, chars[i].ucs4);
+ glyphs[i].x = chars[i].x;
+ glyphs[i].y = chars[i].y;
+ }
+
+ XftGlyphFontSpecRender (dpy, op, src, dst, srcx, srcy, glyphs, len);
+ if (glyphs != glyphs_local)
+ free (glyphs);
+}
+
+_X_EXPORT void
+XftTextRender8 (Display *dpy,
+ int op,
+ Picture src,
+ XftFont *pub,
+ Picture dst,
+ int srcx,
+ int srcy,
+ int x,
+ int y,
+ _Xconst FcChar8 *string,
+ int len)
+{
+ FT_UInt *glyphs, glyphs_local[NUM_LOCAL];
+ int i;
+
+ if (len <= NUM_LOCAL)
+ glyphs = glyphs_local;
+ else
+ {
+ glyphs = malloc (len * sizeof (FT_UInt));
+ if (!glyphs)
+ return;
+ }
+ for (i = 0; i < len; i++)
+ glyphs[i] = XftCharIndex (dpy, pub, string[i]);
+ XftGlyphRender (dpy, op, src, pub, dst,
+ srcx, srcy, x, y, glyphs, len);
+ if (glyphs != glyphs_local)
+ free (glyphs);
+}
+
+_X_EXPORT void
+XftTextRender16 (Display *dpy,
+ int op,
+ Picture src,
+ XftFont *pub,
+ Picture dst,
+ int srcx,
+ int srcy,
+ int x,
+ int y,
+ _Xconst FcChar16 *string,
+ int len)
+{
+ FT_UInt *glyphs, glyphs_local[NUM_LOCAL];
+ int i;
+
+ if (len <= NUM_LOCAL)
+ glyphs = glyphs_local;
+ else
+ {
+ glyphs = malloc (len * sizeof (FT_UInt));
+ if (!glyphs)
+ return;
+ }
+ for (i = 0; i < len; i++)
+ glyphs[i] = XftCharIndex (dpy, pub, string[i]);
+ XftGlyphRender (dpy, op, src, pub, dst,
+ srcx, srcy, x, y, glyphs, len);
+ if (glyphs != glyphs_local)
+ free (glyphs);
+}
+
+_X_EXPORT void
+XftTextRender16BE (Display *dpy,
+ int op,
+ Picture src,
+ XftFont *pub,
+ Picture dst,
+ int srcx,
+ int srcy,
+ int x,
+ int y,
+ _Xconst FcChar8 *string,
+ int len)
+{
+ FT_UInt *glyphs, glyphs_local[NUM_LOCAL];
+ int i;
+
+ if (len <= NUM_LOCAL)
+ glyphs = glyphs_local;
+ else
+ {
+ glyphs = malloc (len * sizeof (FT_UInt));
+ if (!glyphs)
+ return;
+ }
+ for (i = 0; i < len; i++)
+ glyphs[i] = XftCharIndex (dpy, pub,
+ (string[i*2]<<8) | string[i*2+1]);
+ XftGlyphRender (dpy, op, src, pub, dst,
+ srcx, srcy, x, y, glyphs, len);
+ if (glyphs != glyphs_local)
+ free (glyphs);
+}
+
+_X_EXPORT void
+XftTextRender16LE (Display *dpy,
+ int op,
+ Picture src,
+ XftFont *pub,
+ Picture dst,
+ int srcx,
+ int srcy,
+ int x,
+ int y,
+ _Xconst FcChar8 *string,
+ int len)
+{
+ FT_UInt *glyphs, glyphs_local[NUM_LOCAL];
+ int i;
+
+ if (len <= NUM_LOCAL)
+ glyphs = glyphs_local;
+ else
+ {
+ glyphs = malloc (len * sizeof (FT_UInt));
+ if (!glyphs)
+ return;
+ }
+ for (i = 0; i < len; i++)
+ glyphs[i] = XftCharIndex (dpy, pub,
+ string[i*2] | (string[i*2+1]<<8));
+ XftGlyphRender (dpy, op, src, pub, dst,
+ srcx, srcy, x, y, glyphs, len);
+ if (glyphs != glyphs_local)
+ free (glyphs);
+}
+
+_X_EXPORT void
+XftTextRender32 (Display *dpy,
+ int op,
+ Picture src,
+ XftFont *pub,
+ Picture dst,
+ int srcx,
+ int srcy,
+ int x,
+ int y,
+ _Xconst FcChar32 *string,
+ int len)
+{
+ FT_UInt *glyphs, glyphs_local[NUM_LOCAL];
+ int i;
+
+ if (len <= NUM_LOCAL)
+ glyphs = glyphs_local;
+ else
+ {
+ glyphs = malloc (len * sizeof (FT_UInt));
+ if (!glyphs)
+ return;
+ }
+ for (i = 0; i < len; i++)
+ glyphs[i] = XftCharIndex (dpy, pub, string[i]);
+ XftGlyphRender (dpy, op, src, pub, dst,
+ srcx, srcy, x, y, glyphs, len);
+ if (glyphs != glyphs_local)
+ free (glyphs);
+}
+
+_X_EXPORT void
+XftTextRender32BE (Display *dpy,
+ int op,
+ Picture src,
+ XftFont *pub,
+ Picture dst,
+ int srcx,
+ int srcy,
+ int x,
+ int y,
+ _Xconst FcChar8 *string,
+ int len)
+{
+ FT_UInt *glyphs, glyphs_local[NUM_LOCAL];
+ int i;
+
+ if (len <= NUM_LOCAL)
+ glyphs = glyphs_local;
+ else
+ {
+ glyphs = malloc (len * sizeof (FT_UInt));
+ if (!glyphs)
+ return;
+ }
+ for (i = 0; i < len; i++)
+ glyphs[i] = XftCharIndex (dpy, pub,
+ (string[i*4] << 24) |
+ (string[i*4+1] << 16) |
+ (string[i*4+2] << 8) |
+ (string[i*4+3]));
+ XftGlyphRender (dpy, op, src, pub, dst,
+ srcx, srcy, x, y, glyphs, len);
+ if (glyphs != glyphs_local)
+ free (glyphs);
+}
+
+_X_EXPORT void
+XftTextRender32LE (Display *dpy,
+ int op,
+ Picture src,
+ XftFont *pub,
+ Picture dst,
+ int srcx,
+ int srcy,
+ int x,
+ int y,
+ _Xconst FcChar8 *string,
+ int len)
+{
+ FT_UInt *glyphs, glyphs_local[NUM_LOCAL];
+ int i;
+
+ if (len <= NUM_LOCAL)
+ glyphs = glyphs_local;
+ else
+ {
+ glyphs = malloc (len * sizeof (FT_UInt));
+ if (!glyphs)
+ return;
+ }
+ for (i = 0; i < len; i++)
+ glyphs[i] = XftCharIndex (dpy, pub,
+ (string[i*4]) |
+ (string[i*4+1] << 8) |
+ (string[i*4+2] << 16) |
+ (string[i*4+3] << 24));
+ XftGlyphRender (dpy, op, src, pub, dst,
+ srcx, srcy, x, y, glyphs, len);
+ if (glyphs != glyphs_local)
+ free (glyphs);
+}
+
+_X_EXPORT void
+XftTextRenderUtf8 (Display *dpy,
+ int op,
+ Picture src,
+ XftFont *pub,
+ Picture dst,
+ int srcx,
+ int srcy,
+ int x,
+ int y,
+ _Xconst FcChar8 *string,
+ int len)
+{
+ FT_UInt *glyphs, *glyphs_new, glyphs_local[NUM_LOCAL];
+ FcChar32 ucs4;
+ int i;
+ int l;
+ int size;
+
+ i = 0;
+ glyphs = glyphs_local;
+ size = NUM_LOCAL;
+ while (len && (l = FcUtf8ToUcs4 (string, &ucs4, len)) > 0)
+ {
+ if (i == size)
+ {
+ glyphs_new = malloc (size * 2 * sizeof (FT_UInt));
+ if (!glyphs_new)
+ {
+ if (glyphs != glyphs_local)
+ free (glyphs);
+ return;
+ }
+ memcpy (glyphs_new, glyphs, size * sizeof (FT_UInt));
+ size *= 2;
+ if (glyphs != glyphs_local)
+ free (glyphs);
+ glyphs = glyphs_new;
+ }
+ glyphs[i++] = XftCharIndex (dpy, pub, ucs4);
+ string += l;
+ len -= l;
+ }
+ XftGlyphRender (dpy, op, src, pub, dst,
+ srcx, srcy, x, y, glyphs, i);
+ if (glyphs != glyphs_local)
+ free (glyphs);
+}
+
+_X_EXPORT void
+XftTextRenderUtf16 (Display *dpy,
+ int op,
+ Picture src,
+ XftFont *pub,
+ Picture dst,
+ int srcx,
+ int srcy,
+ int x,
+ int y,
+ _Xconst FcChar8 *string,
+ FcEndian endian,
+ int len)
+{
+ FT_UInt *glyphs, *glyphs_new, glyphs_local[NUM_LOCAL];
+ FcChar32 ucs4;
+ int i;
+ int l;
+ int size;
+
+ i = 0;
+ glyphs = glyphs_local;
+ size = NUM_LOCAL;
+ while (len && (l = FcUtf16ToUcs4 (string, endian, &ucs4, len)) > 0)
+ {
+ if (i == size)
+ {
+ glyphs_new = malloc (size * 2 * sizeof (FT_UInt));
+ if (!glyphs_new)
+ {
+ if (glyphs != glyphs_local)
+ free (glyphs);
+ return;
+ }
+ memcpy (glyphs_new, glyphs, size * sizeof (FT_UInt));
+ size *= 2;
+ if (glyphs != glyphs_local)
+ free (glyphs);
+ glyphs = glyphs_new;
+ }
+ glyphs[i++] = XftCharIndex (dpy, pub, ucs4);
+ string += l;
+ len -= l;
+ }
+ XftGlyphRender (dpy, PictOpOver, src, pub, dst,
+ srcx, srcy, x, y, glyphs, i);
+ if (glyphs != glyphs_local)
+ free (glyphs);
+}