xref: /aosp_15_r20/external/skia/gm/skbug_8955.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker /*
2*c8dee2aaSAndroid Build Coastguard Worker  * Copyright 2019 Google Inc.
3*c8dee2aaSAndroid Build Coastguard Worker  *
4*c8dee2aaSAndroid Build Coastguard Worker  * Use of this source code is governed by a BSD-style license that can be
5*c8dee2aaSAndroid Build Coastguard Worker  * found in the LICENSE file.
6*c8dee2aaSAndroid Build Coastguard Worker  */
7*c8dee2aaSAndroid Build Coastguard Worker 
8*c8dee2aaSAndroid Build Coastguard Worker #include "gm/gm.h"
9*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkCanvas.h"
10*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkFont.h"
11*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkPaint.h"
12*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkTextBlob.h"
13*c8dee2aaSAndroid Build Coastguard Worker #include "tools/fonts/FontToolUtils.h"
14*c8dee2aaSAndroid Build Coastguard Worker 
15*c8dee2aaSAndroid Build Coastguard Worker DEF_SIMPLE_GM(skbug_8955, canvas, 100, 100) {
16*c8dee2aaSAndroid Build Coastguard Worker     SkPaint p;
17*c8dee2aaSAndroid Build Coastguard Worker     SkFont font = ToolUtils::DefaultPortableFont();
18*c8dee2aaSAndroid Build Coastguard Worker     font.setSize(50);
19*c8dee2aaSAndroid Build Coastguard Worker     auto blob = SkTextBlob::MakeFromText("+", 1, font);
20*c8dee2aaSAndroid Build Coastguard Worker 
21*c8dee2aaSAndroid Build Coastguard Worker     // This bug only appeared when drawing the same text blob. We would generate no glyphs on the
22*c8dee2aaSAndroid Build Coastguard Worker     // first draw, and fail to mark the blob as having any bitmap runs. That would prevent us from
23*c8dee2aaSAndroid Build Coastguard Worker     // re-generating the blob on the second draw, even though the matrix had been restored.
24*c8dee2aaSAndroid Build Coastguard Worker     canvas->save();
25*c8dee2aaSAndroid Build Coastguard Worker     canvas->scale(0, 0);
26*c8dee2aaSAndroid Build Coastguard Worker     canvas->drawTextBlob(blob, 30, 60, p);
27*c8dee2aaSAndroid Build Coastguard Worker     canvas->restore();
28*c8dee2aaSAndroid Build Coastguard Worker     canvas->drawTextBlob(blob, 30, 60, p);
29*c8dee2aaSAndroid Build Coastguard Worker }
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