38810f3a09
add get_text_path to sk_tool_utils Bug: skia: Change-Id: I45426bc018cd8a5a0309fd6a73adb30755e8155a Reviewed-on: https://skia-review.googlesource.com/c/179847 Commit-Queue: Mike Reed <reed@google.com> Reviewed-by: Mike Reed <reed@google.com>
66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
/*
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* Copyright 2012 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 "SkFontPriv.h"
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#include "SkPaint.h"
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#include "SkPath.h"
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#include "SkRandom.h"
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#include "SkTemplates.h"
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#include "SkTextBlob.h"
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static void strokePath(SkCanvas* canvas, const SkPath& path) {
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setColor(SK_ColorRED);
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paint.setStyle(SkPaint::kStroke_Style);
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canvas->drawPath(path, paint);
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}
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DEF_SIMPLE_GM(getpostextpath, canvas, 480, 780) {
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// explicitly add spaces, to test a prev. bug
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const char* text = "Ham bur ge fons";
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size_t len = strlen(text);
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SkPath path;
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SkFont font;
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font.setTypeface(sk_tool_utils::create_portable_typeface());
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font.setSize(48);
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SkPaint paint;
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paint.setAntiAlias(true);
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canvas->translate(SkIntToScalar(10), SkIntToScalar(64));
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canvas->drawSimpleText(text, len, kUTF8_SkTextEncoding, 0, 0, font, paint);
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sk_tool_utils::get_text_path(font, text, len, kUTF8_SkTextEncoding, &path, nullptr);
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strokePath(canvas, path);
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path.reset();
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SkAutoToGlyphs atg(font, text, len, kUTF8_SkTextEncoding);
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const int count = atg.count();
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SkAutoTArray<SkPoint> pos(count);
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SkAutoTArray<SkScalar> widths(count);
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font.getWidths(atg.glyphs(), count, &widths[0]);
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SkRandom rand;
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SkScalar x = SkIntToScalar(20);
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SkScalar y = SkIntToScalar(100);
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for (int i = 0; i < count; ++i) {
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pos[i].set(x, y + rand.nextSScalar1() * 24);
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x += widths[i];
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}
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canvas->translate(0, SkIntToScalar(64));
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canvas->drawTextBlob(SkTextBlob::MakeFromPosText(text, len, &pos[0], font), 0, 0, paint);
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sk_tool_utils::get_text_path(font, text, len, kUTF8_SkTextEncoding, &path, &pos[0]);
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strokePath(canvas, path);
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}
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