1 /*
2  * Copyright 2016 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/gm.h"
9 #include "include/core/SkCanvas.h"
10 #include "include/core/SkFont.h"
11 #include "include/core/SkFontTypes.h"
12 #include "include/core/SkPaint.h"
13 #include "include/core/SkScalar.h"
14 #include "include/core/SkTextBlob.h"
15 
16 #include <string.h>
17 
18 // https://bugs.skia.org/5321
19 // two strings should draw the same.  PDF did not.
20 DEF_SIMPLE_GM(skbug_5321, canvas, 128, 128) {
21     SkFont font;
22     font.setEdging(SkFont::Edging::kAlias);
23     font.setSize(30);
24 
25     const char text[] = "x\314\200y";  // utf8(u"x\u0300y")
26     SkScalar x = 20, y = 45;
27 
28     size_t byteLength = strlen(text);
29     canvas->drawSimpleText(text, byteLength, SkTextEncoding::kUTF8, x, y, font, SkPaint());
30 
31     y += font.getMetrics(nullptr);
32     int glyph_count = font.countText(text, byteLength, SkTextEncoding::kUTF8);
33     SkTextBlobBuilder builder;
34 
35     auto rec = builder.allocRunPosH(font, glyph_count, y);
36     font.textToGlyphs(text, byteLength, SkTextEncoding::kUTF8, rec.glyphs, glyph_count);
37 
38     font.getWidths(rec.glyphs, glyph_count, rec.pos);
39     for (int i = 0; i < glyph_count; ++i) {
40         SkScalar w = rec.pos[i];
41         rec.pos[i] = x;
42         x += w;
43     }
44 
45     canvas->drawTextBlob(builder.make(), 0, 0, SkPaint());
46 }
47