minor ttf bug fixes

[swftools.git] / lib / ttf.c

diff --git a/lib/ttf.c b/lib/ttf.c
index 69cd3f1..601aa74 100644 (file)
--- a/lib/ttf.c
+++ b/lib/ttf.c
@@ -638,6 +638,7 @@ static table_maxp_t*maxp_new(ttf_t*ttf)
        maxp->maxComponentPoints = 0;
        maxp->maxComponentContours = 0;
     }
+    maxp->maxZones = 2; // we don't use the Z0 zone
     return maxp;
 }
 static table_maxp_t* maxp_parse(ttf_t*ttf, memreader_t*r)
@@ -726,8 +727,8 @@ static table_hea_t*hea_new(ttf_t*ttf)
        for(t=0;t<ttf->num_glyphs;t++) {
            if(ttf->glyphs[t].advance > hea->advanceWidthMax)
                hea->advanceWidthMax = ttf->glyphs[t].advance;
-           if(ttf->glyphs[t].xmin < hea->minLeftSideBearing)
-               hea->minLeftSideBearing = ttf->glyphs[t].xmin;
+           if(ttf->glyphs[t].bearing < hea->minLeftSideBearing)
+               hea->minLeftSideBearing = ttf->glyphs[t].bearing;
            if(ttf->glyphs[t].xmax < hea->minRightSideBearing)
                hea->minRightSideBearing = ttf->glyphs[t].xmax;
            int width = ttf->glyphs[t].xmax - ttf->glyphs[t].xmin;
@@ -849,10 +850,10 @@ static int mtx_write(ttf_t*ttf, ttf_table_t*w)
     int t;
     for(t=0;t<num_advances;t++) {
        writeU16(w, ttf->glyphs[t].advance);
-       writeU16(w, ttf->glyphs[t].bearing);
+       writeS16(w, ttf->glyphs[t].bearing);
     }
     for(;t<ttf->num_glyphs;t++) {
-       writeU16(w, ttf->glyphs[t].bearing);
+       writeS16(w, ttf->glyphs[t].bearing);
     }
     return num_advances;
 }
@@ -1719,13 +1720,25 @@ void gasp_parse(memreader_t*r, ttf_t*ttf)
        gasp->records[t].behaviour = readU16(r);
     }
 }
+
+#define GASP_SYMMETRIC_GRIDFIT 0x0008
+#define GASP_SYMMETRIC_SMOOTHING 0x0004
+#define GASP_DOGRAY 0x0002
+#define GASP_GRIDFIT 0x0001
+
 void gasp_write(ttf_t*ttf, ttf_table_t*table)
 {
     table_gasp_t*gasp = ttf->gasp;
-    writeU16(table, 0);
-    writeU16(table, gasp->num);
+    int version = 0;
     int t;
     for(t=0;t<gasp->num;t++) {
+       if(gasp->records[t].behaviour & ~(GASP_GRIDFIT | GASP_DOGRAY)) {
+           version = 1;
+       }
+    }
+    writeU16(table, version);
+    writeU16(table, gasp->num);
+    for(t=0;t<gasp->num;t++) {
        writeU16(table, gasp->records[t].size);
        writeU16(table, gasp->records[t].behaviour);
     }