return font->id;
}
-static float F16toFloat(U16 x)
-{
- TAG t;
- t.data = (void*)&x;
- t.readBit = 0;
- t.pos = 0;
- t.len = 2;
- return swf_GetF16(&t);
-}
-
-static float floatToF16(float f)
-{
- U16 u = 0;
- TAG t;
- t.data = (void*)&u;
- t.len = 0;
- t.memsize = 2;
- t.writeBit = 0;
- swf_SetF16(&t, f);
- return u;
-}
-
int swf_FontExtract_DefineFontAlignZones(int id, SWFFONT * font, TAG * tag)
{
U16 fid;
if(f->use->chars) {
rfx_free(f->use->chars);f->use->chars = 0;
}
+ if(f->use->neighbors) {
+ rfx_free(f->use->neighbors);f->use->neighbors = 0;
+ }
+ if(f->use->neighbors_hash) {
+ rfx_free(f->use->neighbors_hash);f->use->neighbors_hash = 0;
+ }
rfx_free(f->use); f->use = 0;
}
}
fprintf(stderr, "Usage initialized twice");
return -1;
}
- f->use = (FONTUSAGE*)rfx_alloc(sizeof(FONTUSAGE));
- f->use->is_reduced = 0;
- f->use->used_glyphs = 0;
+ f->use = (FONTUSAGE*)rfx_calloc(sizeof(FONTUSAGE));
+ f->use->smallest_size = 0xffff;
f->use->chars = (int*)rfx_calloc(sizeof(f->use->chars[0]) * f->numchars);
- f->use->glyphs_specified = 0;
return 0;
}
return -1;
while (*s) {
if(*s < f->maxascii && f->ascii2glyph[*s]>=0)
- swf_FontUseGlyph(f, f->ascii2glyph[*s]);
+ swf_FontUseGlyph(f, f->ascii2glyph[*s], /*FIXME*/0xffff);
s++;
}
return 0;
}
-int swf_FontUseUTF8(SWFFONT * f, U8 * s)
+int swf_FontUseUTF8(SWFFONT * f, U8 * s, U16 size)
{
if( (!s))
return -1;
{
ascii = readUTF8char(&s);
if(ascii < f->maxascii && f->ascii2glyph[ascii]>=0)
- swf_FontUseGlyph(f, f->ascii2glyph[ascii]);
+ swf_FontUseGlyph(f, f->ascii2glyph[ascii], size);
}
return 0;
}
return 0;
}
-int swf_FontUseGlyph(SWFFONT * f, int glyph)
+static unsigned hash2(int char1, int char2)
+{
+ unsigned hash = char1^(char2<<8);
+ hash += (hash << 3);
+ hash ^= (hash >> 11);
+ hash += (hash << 15);
+ return hash;
+}
+static void hashadd(FONTUSAGE*u, int char1, int char2, int nr)
+{
+ unsigned hash = hash2(char1, char2);
+ while(1) {
+ hash = hash%u->neighbors_hash_size;
+ if(!u->neighbors_hash[hash]) {
+ u->neighbors_hash[hash] = nr+1;
+ return;
+ }
+ hash++;
+ }
+}
+int swf_FontUseGetPair(SWFFONT * f, int char1, int char2)
+{
+ FONTUSAGE*u = f->use;
+ if(!u || !u->neighbors_hash_size)
+ return 0;
+ unsigned hash = hash2(char1, char2);
+ while(1) {
+ hash = hash%u->neighbors_hash_size;
+ int pos = u->neighbors_hash[hash];
+ if(!pos)
+ return 0;
+ if(pos &&
+ u->neighbors[pos-1].char1 == char1 &&
+ u->neighbors[pos-1].char2 == char2) {
+ return pos;
+ }
+ hash++;
+ }
+
+}
+void swf_FontUsePair(SWFFONT * f, int char1, int char2)
+{
+ if (!f->use)
+ swf_FontInitUsage(f);
+ FONTUSAGE*u = f->use;
+
+ if(u->num_neighbors*3 >= u->neighbors_hash_size*2) {
+ if(u->neighbors_hash) {
+ free(u->neighbors_hash);
+ }
+ u->neighbors_hash_size = u->neighbors_hash_size?u->neighbors_hash_size*2:1024;
+ u->neighbors_hash = rfx_calloc(u->neighbors_hash_size*sizeof(int));
+ int t;
+ for(t=0;t<u->num_neighbors;t++) {
+ hashadd(u, u->neighbors[t].char1, u->neighbors[t].char2, t);
+ }
+ }
+
+ int nr = swf_FontUseGetPair(f, char1, char2);
+ if(!nr) {
+ if(u->num_neighbors == u->neighbors_size) {
+ u->neighbors_size += 4096;
+ u->neighbors = rfx_realloc(u->neighbors, sizeof(SWFGLYPHPAIR)*u->neighbors_size);
+ }
+ u->neighbors[u->num_neighbors].char1 = char1;
+ u->neighbors[u->num_neighbors].char2 = char2;
+ u->neighbors[u->num_neighbors].num = 1;
+ hashadd(u, char1, char2, u->num_neighbors);
+ u->num_neighbors++;
+ } else {
+ u->neighbors[nr-1].num++;
+ }
+}
+
+int swf_FontUseGlyph(SWFFONT * f, int glyph, U16 size)
{
if (!f->use)
swf_FontInitUsage(f);
if(!f->use->chars[glyph])
f->use->used_glyphs++;
f->use->chars[glyph] = 1;
+ if(size && size < f->use->smallest_size)
+ f->use->smallest_size = size;
return 0;
}
return 0;
}
-void swf_FontSetAlignZones(TAG*t, SWFFONT *f)
-{
- swf_SetU16(t, f->id);
- swf_SetU8(t, f->alignzone_flags);
- int i;
- for(i=0;i<f->numchars;i++) {
- ALIGNZONE*a = &f->alignzones[i];
- U8 flags = 0;
- if((a->x & a->dx)!=0xffff)
- flags |= 1;
- if((a->y & a->dy)!=0xffff)
- flags |= 2;
- swf_SetU8(t, 2);
- if(flags&1) swf_SetU16(t, a->x); else swf_SetU16(t, 0);
- if(flags&2) swf_SetU16(t, a->y); else swf_SetU16(t, 0);
- if((flags&1) && a->dx!=0xffff) swf_SetU16(t, a->dx); else swf_SetU16(t, 0);
- if((flags&2) && a->dy!=0xffff) swf_SetU16(t, a->dy); else swf_SetU16(t, 0);
- swf_SetU8(t, flags);
- }
-}
-
void swf_FontAddLayout(SWFFONT * f, int ascent, int descent, int leading)
{
f->layout = (SWFLAYOUT *) rfx_alloc(sizeof(SWFLAYOUT));
}
}
-#define FONTALIGN_THIN
-#define FONTALIGN_MEDIUM
-#define FONTALIGN_THICK
-
-void swf_FontCreateAlignZones(SWFFONT * f)
-{
- if(f->alignzones)
- return;
-
- f->alignzones = (ALIGNZONE*)rfx_calloc(sizeof(ALIGNZONE)*f->numchars);
- f->alignzone_flags = 0; // thin
-
- if(!f->layout) {
- int t;
- for(t=0;t<f->numchars;t++) {
- // just align the baseline
- f->alignzones[t].x = 0xffff;
- f->alignzones[t].y = 0;
- f->alignzones[t].dx = 0xffff;
- f->alignzones[t].dy = 0xffff;//floatToF16(460.80 / 1024.0);
- }
- } else {
- int t;
- for(t=0;t<f->numchars;t++) {
- // just align the baseline
- f->alignzones[t].x = 0xffff;
- f->alignzones[t].y = 0;
- f->alignzones[t].dx = 0xffff;
- f->alignzones[t].dy = 0xffff;//floatToF16(460.80 / 1024.0);
- }
- }
-
-/*
- "-^_~\xad\xaf+`\xac\xb7\xf7" //chars for which to detect one y value
- "#=:;\xb1" //chars for which to detect two y values
- "\"\xa8" //chars for which to detect two x values
-*/
-}
-
-
void swf_DrawText(drawer_t * draw, SWFFONT * font, int size, const char *text)
{
U8 *s = (U8 *) text;
swf_SaveSWF(&swf, filename);
swf_FreeTags(&swf);
}
-