aosp12/external/skia/docs/examples/SkFontMgr_example2.cpp

39 lines
1.5 KiB
C++

// Copyright 2020 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "tools/fiddle/examples.h"
REG_FIDDLE(SkFontMgr_example2, 1536, 512, false, 0) {
const char* tostr(SkFontStyle::Slant s) {
switch (s) {
case SkFontStyle::kUpright_Slant: return "SkFontStyle::kUpright_Slant";
case SkFontStyle::kItalic_Slant: return "SkFontStyle::kItalic_Slant";
case SkFontStyle::kOblique_Slant: return "SkFontStyle::kOblique_Slant";
default: return "";
}
}
void draw(SkCanvas* canvas) {
float x = 10, y = 10;
float textScale = 24;
sk_sp<SkFontMgr> mgr(SkFontMgr::RefDefault());
for (int i = 0; i < mgr->countFamilies(); ++i) {
SkString familyName;
mgr->getFamilyName(i, &familyName);
sk_sp<SkFontStyleSet> styleSet(mgr->createStyleSet(i));
for (int j = 0; j < styleSet->count(); ++j) {
SkFontStyle fontStyle;
SkString style;
styleSet->getStyle(j, &fontStyle, &style);
auto s = SkStringPrintf(
"SkFont font(mgr->legacyMakeTypeface(\"%s\", SkFontStyle(%3d, %1d, %-27s), "
"%g);",
familyName.c_str(), fontStyle.weight(), fontStyle.width(),
tostr(fontStyle.slant()), textScale);
SkFont font(mgr->legacyMakeTypeface(familyName.c_str(), fontStyle), textScale);
y += font.getSpacing() * 1.5;
canvas->drawString(s, x, y, font, SkPaint());
}
}
}
} // END FIDDLE