1/* 2 * Copyright 2014 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 */ 7 8#include "gm.h" 9#include "SkCanvas.h" 10#include "SkDashPathEffect.h" 11 12static void test_nulldev(SkCanvas* canvas) { 13 SkBitmap bm; 14 bm.setInfo(SkImageInfo::MakeN32Premul(30, 30)); 15 // notice: no pixels mom! be sure we don't crash 16 // https://code.google.com/p/chromium/issues/detail?id=352616 17 SkCanvas c(bm); 18 19 SkBitmap src; 20 src.allocN32Pixels(10, 10); 21 src.eraseColor(SK_ColorRED); 22 23 // ensure we don't crash 24 c.writePixels(src, 0, 0); 25} 26 27static void draw_text_stroked(SkCanvas* canvas, const SkPaint& paint, SkScalar strokeWidth) { 28 SkPaint p(paint); 29 SkPoint loc = { 20, 435 }; 30 31 if (strokeWidth > 0) { 32 p.setStyle(SkPaint::kFill_Style); 33 canvas->drawText("P", 1, loc.fX, loc.fY - 225, p); 34 canvas->drawPosText("P", 1, &loc, p); 35 } 36 37 p.setColor(SK_ColorRED); 38 p.setStyle(SkPaint::kStroke_Style); 39 p.setStrokeWidth(strokeWidth); 40 41 canvas->drawText("P", 1, loc.fX, loc.fY - 225, p); 42 canvas->drawPosText("P", 1, &loc, p); 43} 44 45static void draw_text_set(SkCanvas* canvas, const SkPaint& paint) { 46 SkAutoCanvasRestore acr(canvas, true); 47 48 draw_text_stroked(canvas, paint, 10); 49 50 canvas->translate(200, 0); 51 draw_text_stroked(canvas, paint, 0); 52 53 const SkScalar intervals[] = { 20, 10, 5, 10 }; 54 const SkScalar phase = 0; 55 56 canvas->translate(200, 0); 57 SkPaint p(paint); 58 p.setPathEffect(SkDashPathEffect::Create(intervals, SK_ARRAY_COUNT(intervals), phase))->unref(); 59 draw_text_stroked(canvas, p, 10); 60} 61 62namespace { 63 enum { 64 kBelowThreshold_TextSize = 255, 65 kAboveThreshold_TextSize = 257 66 }; 67} 68 69DEF_SIMPLE_GM(stroketext, canvas, 1200, 480) { 70 if (true) { test_nulldev(canvas); } 71 SkPaint paint; 72 paint.setAntiAlias(true); 73 sk_tool_utils::set_portable_typeface(&paint); 74 75 paint.setTextSize(kBelowThreshold_TextSize); 76 draw_text_set(canvas, paint); 77 78 canvas->translate(600, 0); 79 paint.setTextSize(kAboveThreshold_TextSize); 80 draw_text_set(canvas, paint); 81} 82