static int match_score(const SkFontStyle& pattern, const SkFontStyle& candidate) {
int score = 0;
score += (pattern.width() - candidate.width()) * 100;
score += (pattern.isItalic() == candidate.isItalic()) ? 0 : 1000;
score += pattern.weight() - candidate.weight();
return score;
}
static void test_fontiter(skiatest::Reporter* reporter, bool verbose) {
SkAutoTUnref<SkFontMgr> fm(SkFontMgr::RefDefault());
int count = fm->countFamilies();
for (int i = 0; i < count; ++i) {
SkString fname;
fm->getFamilyName(i, &fname);
SkAutoTUnref<SkFontStyleSet> fnset(fm->matchFamily(fname.c_str()));
SkAutoTUnref<SkFontStyleSet> set(fm->createStyleSet(i));
REPORTER_ASSERT(reporter, fnset->count() == set->count());
if (verbose) {
SkDebugf("[%2d] %s\n", i, fname.c_str());
}
for (int j = 0; j < set->count(); ++j) {
SkString sname;
SkFontStyle fs;
set->getStyle(j, &fs, &sname);
// REPORTER_ASSERT(reporter, sname.size() > 0);
SkAutoTUnref<SkTypeface> face(set->createTypeface(j));
// REPORTER_ASSERT(reporter, face.get());
if (verbose) {
SkDebugf("\t[%d] %s [%3d %d %d]\n", j, sname.c_str(),
fs.weight(), fs.width(), fs.isItalic());
}
}
}
}
void onDraw(SkCanvas* canvas) override {
SkScalar y = 20;
SkPaint paint;
paint.setAntiAlias(true);
paint.setLCDRenderText(true);
paint.setSubpixelText(true);
paint.setTextSize(17);
SkFontMgr* fm = fFM;
int count = SkMin32(fm->countFamilies(), MAX_FAMILIES);
for (int i = 0; i < count; ++i) {
SkString familyName;
fm->getFamilyName(i, &familyName);
paint.setTypeface(NULL);
(void)drawString(canvas, familyName, 20, y, paint);
SkScalar x = 220;
SkAutoTUnref<SkFontStyleSet> set(fm->createStyleSet(i));
for (int j = 0; j < set->count(); ++j) {
SkString sname;
SkFontStyle fs;
set->getStyle(j, &fs, &sname);
sname.appendf(" [%d %d %d]", fs.weight(), fs.width(), fs.isItalic());
SkSafeUnref(paint.setTypeface(set->createTypeface(j)));
x = drawString(canvas, sname, x, y, paint) + 20;
// check to see that we get different glyphs in japanese and chinese
x = drawCharacter(canvas, 0x5203, x, y, paint, fm, familyName.c_str(), &zh, 1, fs);
x = drawCharacter(canvas, 0x5203, x, y, paint, fm, familyName.c_str(), &ja, 1, fs);
// check that emoji characters are found
x = drawCharacter(canvas, 0x1f601, x, y, paint, fm, familyName.c_str(), NULL,0, fs);
}
y += 24;
}
}