epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2011 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 7 | #include <SkFont.h> |
Ben Wagner | b2c4ea6 | 2018-08-08 11:36:17 -0400 | [diff] [blame] | 8 | #include "Sample.h" |
reed@android.com | f549369 | 2009-07-22 19:21:01 +0000 | [diff] [blame] | 9 | #include "SkCanvas.h" |
reed@android.com | f549369 | 2009-07-22 19:21:01 +0000 | [diff] [blame] | 10 | #include "SkPaint.h" |
| 11 | #include "SkShader.h" |
| 12 | |
Ben Wagner | b2c4ea6 | 2018-08-08 11:36:17 -0400 | [diff] [blame] | 13 | class LCDView : public Sample { |
reed@android.com | f549369 | 2009-07-22 19:21:01 +0000 | [diff] [blame] | 14 | public: |
| 15 | LCDView() {} |
rmistry@google.com | ae933ce | 2012-08-23 18:19:56 +0000 | [diff] [blame] | 16 | |
reed@android.com | f549369 | 2009-07-22 19:21:01 +0000 | [diff] [blame] | 17 | protected: |
Ben Wagner | b2c4ea6 | 2018-08-08 11:36:17 -0400 | [diff] [blame] | 18 | bool onQuery(Sample::Event* evt) override { |
| 19 | if (Sample::TitleQ(*evt)) { |
| 20 | Sample::TitleR(evt, "LCD Text"); |
reed@android.com | f549369 | 2009-07-22 19:21:01 +0000 | [diff] [blame] | 21 | return true; |
| 22 | } |
| 23 | return this->INHERITED::onQuery(evt); |
| 24 | } |
rmistry@google.com | ae933ce | 2012-08-23 18:19:56 +0000 | [diff] [blame] | 25 | |
reed@android.com | f549369 | 2009-07-22 19:21:01 +0000 | [diff] [blame] | 26 | void drawBG(SkCanvas* canvas) { |
| 27 | canvas->drawColor(SK_ColorWHITE); |
| 28 | } |
rmistry@google.com | ae933ce | 2012-08-23 18:19:56 +0000 | [diff] [blame] | 29 | |
Ben Wagner | b2c4ea6 | 2018-08-08 11:36:17 -0400 | [diff] [blame] | 30 | void onDrawContent(SkCanvas* canvas) override { |
reed@android.com | f549369 | 2009-07-22 19:21:01 +0000 | [diff] [blame] | 31 | this->drawBG(canvas); |
| 32 | |
| 33 | SkPaint paint; |
rmistry@google.com | ae933ce | 2012-08-23 18:19:56 +0000 | [diff] [blame] | 34 | |
reed@android.com | f549369 | 2009-07-22 19:21:01 +0000 | [diff] [blame] | 35 | SkScalar textSize = SkIntToScalar(6); |
| 36 | SkScalar delta = SK_Scalar1; |
| 37 | const char* text = "HHHamburgefonts iii"; |
| 38 | size_t len = strlen(text); |
| 39 | SkScalar x0 = SkIntToScalar(10); |
| 40 | SkScalar x1 = SkIntToScalar(310); |
| 41 | SkScalar y = SkIntToScalar(20); |
| 42 | |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 43 | SkFont font; |
reed@android.com | f549369 | 2009-07-22 19:21:01 +0000 | [diff] [blame] | 44 | for (int i = 0; i < 20; i++) { |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 45 | font.setSize(textSize); |
reed@android.com | f549369 | 2009-07-22 19:21:01 +0000 | [diff] [blame] | 46 | textSize += delta; |
rmistry@google.com | ae933ce | 2012-08-23 18:19:56 +0000 | [diff] [blame] | 47 | |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 48 | font.setEdging(SkFont::Edging::kAntiAlias); |
| 49 | canvas->drawSimpleText(text, len, kUTF8_SkTextEncoding, x0, y, font, paint); |
| 50 | font.setEdging(SkFont::Edging::kSubpixelAntiAlias); |
| 51 | canvas->drawSimpleText(text, len, kUTF8_SkTextEncoding, x1, y, font, paint); |
rmistry@google.com | ae933ce | 2012-08-23 18:19:56 +0000 | [diff] [blame] | 52 | |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 53 | y += font.getSpacing(); |
reed@android.com | f549369 | 2009-07-22 19:21:01 +0000 | [diff] [blame] | 54 | } |
| 55 | } |
rmistry@google.com | ae933ce | 2012-08-23 18:19:56 +0000 | [diff] [blame] | 56 | |
reed@android.com | f549369 | 2009-07-22 19:21:01 +0000 | [diff] [blame] | 57 | private: |
Ben Wagner | b2c4ea6 | 2018-08-08 11:36:17 -0400 | [diff] [blame] | 58 | typedef Sample INHERITED; |
reed@android.com | f549369 | 2009-07-22 19:21:01 +0000 | [diff] [blame] | 59 | }; |
| 60 | |
| 61 | ////////////////////////////////////////////////////////////////////////////// |
| 62 | |
Ben Wagner | b2c4ea6 | 2018-08-08 11:36:17 -0400 | [diff] [blame] | 63 | DEF_SAMPLE( return new LCDView(); ) |