1 // Copyright 2020 Google LLC.
2 // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3 #include "tools/fiddle/examples.h"
4 REG_FIDDLE(text_rendering, 256, 256, false, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6 const char* fontFamily = nullptr; // Default system family, if it exists.
7 SkFontStyle fontStyle; // Default is normal weight, normal width, upright slant.
8 sk_sp<SkFontMgr> fontManager = SkFontMgr::RefDefault();
9 sk_sp<SkTypeface> typeface = fontManager->legacyMakeTypeface(fontFamily, fontStyle);
10
11 SkFont font1(typeface, 64.0f, 1.0f, 0.0f);
12 SkFont font2(typeface, 64.0f, 1.5f, 0.0f);
13 font1.setEdging(SkFont::Edging::kAntiAlias);
14 font2.setEdging(SkFont::Edging::kAntiAlias);
15
16 // Note: MakeFromString may fail to produce expected results if the typeface
17 // does not have glyphs for the characters in the string. The characters
18 // will not be kerned or shaped beyond a simple mapping from one Unicode
19 // code point to one glyph with a default advance.
20 sk_sp<SkTextBlob> blob1 = SkTextBlob::MakeFromString("Skia", font1);
21 sk_sp<SkTextBlob> blob2 = SkTextBlob::MakeFromString("Skia", font2);
22
23 SkPaint paint1, paint2, paint3;
24
25 paint1.setAntiAlias(true);
26 paint1.setColor(SkColorSetARGB(0xFF, 0x42, 0x85, 0xF4));
27
28 paint2.setAntiAlias(true);
29 paint2.setColor(SkColorSetARGB(0xFF, 0xDB, 0x44, 0x37));
30 paint2.setStyle(SkPaint::kStroke_Style);
31 paint2.setStrokeWidth(3.0f);
32
33 paint3.setAntiAlias(true);
34 paint3.setColor(SkColorSetARGB(0xFF, 0x0F, 0x9D, 0x58));
35
36 canvas->clear(SK_ColorWHITE);
37 canvas->drawTextBlob(blob1.get(), 20.0f, 64.0f, paint1);
38 canvas->drawTextBlob(blob1.get(), 20.0f, 144.0f, paint2);
39 canvas->drawTextBlob(blob2.get(), 20.0f, 224.0f, paint3);
40 }
41 } // END FIDDLE
42