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85 lines
2.4 KiB
85 lines
2.4 KiB
4 months ago
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/*
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* Copyright 2014 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm.h"
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#include "sk_tool_utils.h"
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#include "SkCanvas.h"
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#include "SkDashPathEffect.h"
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#include "SkTextBlob.h"
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static void test_nulldev(SkCanvas* canvas) {
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SkBitmap bm;
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bm.setInfo(SkImageInfo::MakeN32Premul(30, 30));
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// notice: no pixels mom! be sure we don't crash
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// https://code.google.com/p/chromium/issues/detail?id=352616
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SkCanvas c(bm);
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SkBitmap src;
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src.allocN32Pixels(10, 10);
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src.eraseColor(SK_ColorRED);
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// ensure we don't crash
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c.writePixels(src, 0, 0);
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}
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static void draw_text_stroked(SkCanvas* canvas, const SkPaint& paint, const SkFont& font,
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SkScalar strokeWidth) {
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SkPaint p(paint);
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SkPoint loc = { 20, 435 };
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if (strokeWidth > 0) {
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p.setStyle(SkPaint::kFill_Style);
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canvas->drawSimpleText("P", 1, kUTF8_SkTextEncoding, loc.fX, loc.fY - 225, font, p);
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canvas->drawTextBlob(SkTextBlob::MakeFromPosText("P", 1, &loc, font), 0, 0, p);
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}
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p.setColor(SK_ColorRED);
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p.setStyle(SkPaint::kStroke_Style);
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p.setStrokeWidth(strokeWidth);
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canvas->drawSimpleText("P", 1, kUTF8_SkTextEncoding, loc.fX, loc.fY - 225, font, p);
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canvas->drawTextBlob(SkTextBlob::MakeFromPosText("P", 1, &loc, font), 0, 0, p);
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}
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static void draw_text_set(SkCanvas* canvas, const SkPaint& paint, const SkFont& font) {
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SkAutoCanvasRestore acr(canvas, true);
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draw_text_stroked(canvas, paint, font, 10);
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canvas->translate(200, 0);
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draw_text_stroked(canvas, paint, font, 0);
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const SkScalar intervals[] = { 20, 10, 5, 10 };
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const SkScalar phase = 0;
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canvas->translate(200, 0);
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SkPaint p(paint);
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p.setPathEffect(SkDashPathEffect::Make(intervals, SK_ARRAY_COUNT(intervals), phase));
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draw_text_stroked(canvas, p, font, 10);
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}
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namespace {
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enum {
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kBelowThreshold_TextSize = 255,
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kAboveThreshold_TextSize = 257
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};
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}
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DEF_SIMPLE_GM(stroketext, canvas, 1200, 480) {
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if (true) { test_nulldev(canvas); }
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SkPaint paint;
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paint.setAntiAlias(true);
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SkFont font(sk_tool_utils::create_portable_typeface(), kBelowThreshold_TextSize);
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draw_text_set(canvas, paint, font);
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canvas->translate(600, 0);
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font.setSize(kAboveThreshold_TextSize);
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draw_text_set(canvas, paint, font);
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}
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