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32 lines
1.1 KiB
32 lines
1.1 KiB
4 months ago
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#if 0 // Disabled until updated to use current API.
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// Copyright 2019 Google LLC.
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// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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#include "tools/fiddle/examples.h"
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// HASH=8b37f4ae7fec1756433c0f984175fb14
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REG_FIDDLE(Matrix_isSimilarity, 256, 256, false, 0) {
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void draw(SkCanvas* canvas) {
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SkPaint p;
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p.setAntiAlias(true);
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SkMatrix m;
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int below = 175;
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for (SkScalar sx : { -1, 1 } ) {
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for (SkScalar sy : { -1, 1 } ) {
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m.setAll(sx, 1, 128, 1, sy, 32, 0, 0, 1);
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bool isSimilarity = m.isSimilarity();
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SkString str;
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str.printf("sx: %g sy: %g sim: %s", sx, sy, isSimilarity ? "true" : "false");
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{
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SkAutoCanvasRestore autoRestore(canvas, true);
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canvas->concat(m);
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canvas->drawString(str, 0, 0, p);
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}
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if (!isSimilarity) {
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canvas->drawString(str, 40, below, p);
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below += 20;
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}
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}
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}
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}
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} // END FIDDLE
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#endif // Disabled until updated to use current API.
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