skia2/gm/skbug_5321.cpp
Mike Reed 088b74e513 use font instead of paint
Bug: skia:
Change-Id: I653de31a22545cd78fba7e4aa7b7f85b6057a8e0
Reviewed-on: https://skia-review.googlesource.com/c/179984
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
Auto-Submit: Mike Reed <reed@google.com>
2018-12-24 20:21:04 +00:00

40 lines
1.1 KiB
C++

/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm.h"
#include "SkTextBlob.h"
// https://bugs.skia.org/5321
// two strings should draw the same. PDF did not.
DEF_SIMPLE_GM(skbug_5321, canvas, 128, 128) {
SkFont font;
font.setEdging(SkFont::Edging::kAlias);
font.setSize(30);
const char text[] = "x\314\200y"; // utf8(u"x\u0300y")
SkScalar x = 20, y = 45;
size_t byteLength = strlen(text);
canvas->drawSimpleText(text, byteLength, kUTF8_SkTextEncoding, x, y, font, SkPaint());
y += font.getMetrics(nullptr);
int glyph_count = font.countText(text, byteLength, kUTF8_SkTextEncoding);
SkTextBlobBuilder builder;
auto rec = builder.allocRunPosH(font, glyph_count, y);
font.textToGlyphs(text, byteLength, kUTF8_SkTextEncoding, rec.glyphs, glyph_count);
font.getWidths(rec.glyphs, glyph_count, rec.pos);
for (int i = 0; i < glyph_count; ++i) {
SkScalar w = rec.pos[i];
rec.pos[i] = x;
x += w;
}
canvas->drawTextBlob(builder.make(), 0, 0, SkPaint());
}