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/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm.h"
#include "sk_tool_utils.h"
#include "Resources.h"
#include "SkCanvas.h"
#include "SkFontMetrics.h"
#include "SkStream.h"
#include "SkTo.h"
#include "SkTypeface.h"
namespace skiagm {
class ScaledEmojiRenderingGM : public GM {
public:
ScaledEmojiRenderingGM() {}
protected:
sk_sp<SkTypeface> typefaces[4];
void onOnceBeforeDraw() override {
typefaces[0] = MakeResourceAsTypeface("fonts/colr.ttf");
typefaces[1] = MakeResourceAsTypeface("fonts/sbix.ttf");
typefaces[2] = MakeResourceAsTypeface("fonts/cbdt.ttf");
typefaces[3] = sk_tool_utils::create_portable_typeface("Emoji", SkFontStyle());
}
SkString onShortName() override {
SkString name("scaledemoji_rendering");
name.append(sk_tool_utils::platform_font_manager());
return name;
}
SkISize onISize() override { return SkISize::Make(1200, 1200); }
void onDraw(SkCanvas* canvas) override {
canvas->drawColor(SK_ColorGRAY);
SkScalar y = 0;
for (const auto& typeface: typefaces) {
SkFont font(typeface);
font.setEdging(SkFont::Edging::kAlias);
SkPaint paint;
const char* text = sk_tool_utils::emoji_sample_text();
SkFontMetrics metrics;
for (SkScalar textSize : { 70, 150 }) {
font.setSize(textSize);
font.getMetrics(&metrics);
// All typefaces should support subpixel mode
font.setSubpixel(true);
y += -metrics.fAscent;
canvas->drawSimpleText(text, strlen(text), kUTF8_SkTextEncoding,
10, y, font, paint);
y += metrics.fDescent + metrics.fLeading;
}
}
}
private:
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
DEF_GM(return new ScaledEmojiRenderingGM;)
}
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