skia2/gm/scaledemoji_rendering.cpp
Ben Wagner 51e15a69ce Use SkTextEncoding enum instead of macros.
Change-Id: I4b6259590fa0693ee0522b4999a1c0fe250b173d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/212504
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
2019-05-07 20:54:16 +00:00

83 lines
2.3 KiB
C++

/*
* 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/gm.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkColor.h"
#include "include/core/SkFont.h"
#include "include/core/SkFontMetrics.h"
#include "include/core/SkFontStyle.h"
#include "include/core/SkFontTypes.h"
#include "include/core/SkPaint.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkScalar.h"
#include "include/core/SkSize.h"
#include "include/core/SkString.h"
#include "include/core/SkTypeface.h"
#include "tools/Resources.h"
#include "tools/ToolUtils.h"
#include <string.h>
#include <initializer_list>
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] = ToolUtils::create_portable_typeface("Emoji", SkFontStyle());
}
SkString onShortName() override {
return SkString("scaledemoji_rendering");
}
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 = ToolUtils::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), SkTextEncoding::kUTF8,
10, y, font, paint);
y += metrics.fDescent + metrics.fLeading;
}
}
}
private:
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
DEF_GM(return new ScaledEmojiRenderingGM;)
}