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free subfonts correctly
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  1 76193d7c 2003-09-30 devnull #include <u.h>

  2 76193d7c 2003-09-30 devnull #include <libc.h>

  3 76193d7c 2003-09-30 devnull #include <draw.h>

  4 76193d7c 2003-09-30 devnull 

  5 76193d7c 2003-09-30 devnull enum

  6 76193d7c 2003-09-30 devnull {

  7 76193d7c 2003-09-30 devnull 	Max = 100

  8 76193d7c 2003-09-30 devnull };

  9 76193d7c 2003-09-30 devnull 

 10 76193d7c 2003-09-30 devnull Point

 11 76193d7c 2003-09-30 devnull string(Image *dst, Point pt, Image *src, Point sp, Font *f, char *s)

 12 76193d7c 2003-09-30 devnull {

 13 76193d7c 2003-09-30 devnull 	return _string(dst, pt, src, sp, f, s, nil, 1<<24, dst->clipr, nil, ZP, SoverD);

 14 76193d7c 2003-09-30 devnull }

 15 76193d7c 2003-09-30 devnull 

 16 76193d7c 2003-09-30 devnull Point

 17 76193d7c 2003-09-30 devnull stringop(Image *dst, Point pt, Image *src, Point sp, Font *f, char *s, Drawop op)

 18 76193d7c 2003-09-30 devnull {

 19 76193d7c 2003-09-30 devnull 	return _string(dst, pt, src, sp, f, s, nil, 1<<24, dst->clipr, nil, ZP, op);

 20 76193d7c 2003-09-30 devnull }

 21 76193d7c 2003-09-30 devnull 

 22 76193d7c 2003-09-30 devnull Point

 23 76193d7c 2003-09-30 devnull stringn(Image *dst, Point pt, Image *src, Point sp, Font *f, char *s, int len)

 24 76193d7c 2003-09-30 devnull {

 25 76193d7c 2003-09-30 devnull 	return _string(dst, pt, src, sp, f, s, nil, len, dst->clipr, nil, ZP, SoverD);

 26 76193d7c 2003-09-30 devnull }

 27 76193d7c 2003-09-30 devnull 

 28 76193d7c 2003-09-30 devnull Point

 29 76193d7c 2003-09-30 devnull stringnop(Image *dst, Point pt, Image *src, Point sp, Font *f, char *s, int len, Drawop op)

 30 76193d7c 2003-09-30 devnull {

 31 76193d7c 2003-09-30 devnull 	return _string(dst, pt, src, sp, f, s, nil, len, dst->clipr, nil, ZP, op);

 32 76193d7c 2003-09-30 devnull }

 33 76193d7c 2003-09-30 devnull 

 34 76193d7c 2003-09-30 devnull Point

 35 76193d7c 2003-09-30 devnull runestring(Image *dst, Point pt, Image *src, Point sp, Font *f, Rune *r)

 36 76193d7c 2003-09-30 devnull {

 37 76193d7c 2003-09-30 devnull 	return _string(dst, pt, src, sp, f, nil, r, 1<<24, dst->clipr, nil, ZP, SoverD);

 38 76193d7c 2003-09-30 devnull }

 39 76193d7c 2003-09-30 devnull 

 40 76193d7c 2003-09-30 devnull Point

 41 76193d7c 2003-09-30 devnull runestringop(Image *dst, Point pt, Image *src, Point sp, Font *f, Rune *r, Drawop op)

 42 76193d7c 2003-09-30 devnull {

 43 76193d7c 2003-09-30 devnull 	return _string(dst, pt, src, sp, f, nil, r, 1<<24, dst->clipr, nil, ZP, op);

 44 76193d7c 2003-09-30 devnull }

 45 76193d7c 2003-09-30 devnull 

 46 76193d7c 2003-09-30 devnull Point

 47 76193d7c 2003-09-30 devnull runestringn(Image *dst, Point pt, Image *src, Point sp, Font *f, Rune *r, int len)

 48 76193d7c 2003-09-30 devnull {

 49 76193d7c 2003-09-30 devnull 	return _string(dst, pt, src, sp, f, nil, r, len, dst->clipr, nil, ZP, SoverD);

 50 76193d7c 2003-09-30 devnull }

 51 76193d7c 2003-09-30 devnull 

 52 76193d7c 2003-09-30 devnull Point

 53 76193d7c 2003-09-30 devnull runestringnop(Image *dst, Point pt, Image *src, Point sp, Font *f, Rune *r, int len, Drawop op)

 54 76193d7c 2003-09-30 devnull {

 55 76193d7c 2003-09-30 devnull 	return _string(dst, pt, src, sp, f, nil, r, len, dst->clipr, nil, ZP, op);

 56 76193d7c 2003-09-30 devnull }

 57 76193d7c 2003-09-30 devnull 

 58 76193d7c 2003-09-30 devnull Point

 59 76193d7c 2003-09-30 devnull _string(Image *dst, Point pt, Image *src, Point sp, Font *f, char *s, Rune *r, int len, Rectangle clipr, Image *bg, Point bgp, Drawop op)

 60 76193d7c 2003-09-30 devnull {

 61 76193d7c 2003-09-30 devnull 	int m, n, wid, max;

 62 76193d7c 2003-09-30 devnull 	ushort cbuf[Max], *c, *ec;

 63 76193d7c 2003-09-30 devnull 	uchar *b;

 64 76193d7c 2003-09-30 devnull 	char *subfontname;

 65 76193d7c 2003-09-30 devnull 	char **sptr;

 66 76193d7c 2003-09-30 devnull 	Rune **rptr;

 67 76193d7c 2003-09-30 devnull 	Font *def;

 68 b2f9ee0d 2005-07-13 devnull 	Subfont *sf;

 69 76193d7c 2003-09-30 devnull 

 70 76193d7c 2003-09-30 devnull 	if(s == nil){

 71 76193d7c 2003-09-30 devnull 		s = "";

 72 76193d7c 2003-09-30 devnull 		sptr = nil;

 73 76193d7c 2003-09-30 devnull 	}else

 74 76193d7c 2003-09-30 devnull 		sptr = &s;

 75 76193d7c 2003-09-30 devnull 	if(r == nil){

 76 76193d7c 2003-09-30 devnull 		r = (Rune*) L"";

 77 76193d7c 2003-09-30 devnull 		rptr = nil;

 78 76193d7c 2003-09-30 devnull 	}else

 79 76193d7c 2003-09-30 devnull 		rptr = &r;

 80 b2f9ee0d 2005-07-13 devnull 	sf = nil;

 81 76193d7c 2003-09-30 devnull 	while((*s || *r) && len){

 82 76193d7c 2003-09-30 devnull 		max = Max;

 83 76193d7c 2003-09-30 devnull 		if(len < max)

 84 76193d7c 2003-09-30 devnull 			max = len;

 85 76193d7c 2003-09-30 devnull 		n = cachechars(f, sptr, rptr, cbuf, max, &wid, &subfontname);

 86 76193d7c 2003-09-30 devnull 		if(n > 0){

 87 76193d7c 2003-09-30 devnull 			_setdrawop(dst->display, op);

 88 76193d7c 2003-09-30 devnull 

 89 76193d7c 2003-09-30 devnull 			m = 47+2*n;

 90 76193d7c 2003-09-30 devnull 			if(bg)

 91 76193d7c 2003-09-30 devnull 				m += 4+2*4;

 92 76193d7c 2003-09-30 devnull 			b = bufimage(dst->display, m);

 93 76193d7c 2003-09-30 devnull 			if(b == 0){

 94 76193d7c 2003-09-30 devnull 				fprint(2, "string: %r\n");

 95 76193d7c 2003-09-30 devnull 				break;

 96 76193d7c 2003-09-30 devnull 			}

 97 76193d7c 2003-09-30 devnull 			if(bg)

 98 76193d7c 2003-09-30 devnull 				b[0] = 'x';

 99 76193d7c 2003-09-30 devnull 			else

100 76193d7c 2003-09-30 devnull 				b[0] = 's';

101 76193d7c 2003-09-30 devnull 			BPLONG(b+1, dst->id);

102 76193d7c 2003-09-30 devnull 			BPLONG(b+5, src->id);

103 76193d7c 2003-09-30 devnull 			BPLONG(b+9, f->cacheimage->id);

104 76193d7c 2003-09-30 devnull 			BPLONG(b+13, pt.x);

105 76193d7c 2003-09-30 devnull 			BPLONG(b+17, pt.y+f->ascent);

106 76193d7c 2003-09-30 devnull 			BPLONG(b+21, clipr.min.x);

107 76193d7c 2003-09-30 devnull 			BPLONG(b+25, clipr.min.y);

108 76193d7c 2003-09-30 devnull 			BPLONG(b+29, clipr.max.x);

109 76193d7c 2003-09-30 devnull 			BPLONG(b+33, clipr.max.y);

110 76193d7c 2003-09-30 devnull 			BPLONG(b+37, sp.x);

111 76193d7c 2003-09-30 devnull 			BPLONG(b+41, sp.y);

112 76193d7c 2003-09-30 devnull 			BPSHORT(b+45, n);

113 76193d7c 2003-09-30 devnull 			b += 47;

114 76193d7c 2003-09-30 devnull 			if(bg){

115 76193d7c 2003-09-30 devnull 				BPLONG(b, bg->id);

116 76193d7c 2003-09-30 devnull 				BPLONG(b+4, bgp.x);

117 76193d7c 2003-09-30 devnull 				BPLONG(b+8, bgp.y);

118 76193d7c 2003-09-30 devnull 				b += 12;

119 76193d7c 2003-09-30 devnull 			}

120 76193d7c 2003-09-30 devnull 			ec = &cbuf[n];

121 76193d7c 2003-09-30 devnull 			for(c=cbuf; c<ec; c++, b+=2)

122 76193d7c 2003-09-30 devnull 				BPSHORT(b, *c);

123 76193d7c 2003-09-30 devnull 			pt.x += wid;

124 76193d7c 2003-09-30 devnull 			bgp.x += wid;

125 76193d7c 2003-09-30 devnull 			agefont(f);

126 76193d7c 2003-09-30 devnull 			len -= n;

127 76193d7c 2003-09-30 devnull 		}

128 76193d7c 2003-09-30 devnull 		if(subfontname){

129 b2f9ee0d 2005-07-13 devnull 			freesubfont(sf);

130 b2f9ee0d 2005-07-13 devnull 			if((sf=_getsubfont(f->display, subfontname)) == 0){

131 b2f9ee0d 2005-07-13 devnull 				def = f->display ? f->display->defaultfont : nil;

132 76193d7c 2003-09-30 devnull 				if(def && f!=def)

133 76193d7c 2003-09-30 devnull 					f = def;

134 76193d7c 2003-09-30 devnull 				else

135 76193d7c 2003-09-30 devnull 					break;

136 76193d7c 2003-09-30 devnull 			}

137 b2f9ee0d 2005-07-13 devnull 			/* 

138 b2f9ee0d 2005-07-13 devnull 			 * must not free sf until cachechars has found it in the cache

139 b2f9ee0d 2005-07-13 devnull 			 * and picked up its own reference.

140 b2f9ee0d 2005-07-13 devnull 			 */

141 76193d7c 2003-09-30 devnull 		}

142 76193d7c 2003-09-30 devnull 	}

143 76193d7c 2003-09-30 devnull 	return pt;

144 76193d7c 2003-09-30 devnull }