xref: /third_party/skia/docs/examples/Matrix_hasPerspective.cpp (revision cb93a386)
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1cb93a386Sopenharmony_ci#if 0  // Disabled until updated to use current API.
2cb93a386Sopenharmony_ci// Copyright 2019 Google LLC.
3cb93a386Sopenharmony_ci// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
4cb93a386Sopenharmony_ci#include "tools/fiddle/examples.h"
5cb93a386Sopenharmony_ci// HASH=688123908c733169bbbfaf11f41ecff6
6cb93a386Sopenharmony_ciREG_FIDDLE(Matrix_hasPerspective, 256, 256, false, 4) {
7cb93a386Sopenharmony_civoid draw(SkCanvas* canvas) {
8cb93a386Sopenharmony_ci    SkMatrix matrix;
9cb93a386Sopenharmony_ci    SkPoint bitmapBounds[4], perspect[4] = {{50, 10}, {180, 40}, {236, 176}, {10, 206}};
10cb93a386Sopenharmony_ci    SkRect::Make(source.bounds()).toQuad(bitmapBounds);
11cb93a386Sopenharmony_ci    matrix.setPolyToPoly(bitmapBounds, perspect, 4);
12cb93a386Sopenharmony_ci    canvas->concat(matrix);
13cb93a386Sopenharmony_ci    SkString string;
14cb93a386Sopenharmony_ci    string.printf("hasPerspective %s", matrix.hasPerspective() ? "true" : "false");
15cb93a386Sopenharmony_ci    canvas->drawBitmap(source, 0, 0);
16cb93a386Sopenharmony_ci    SkPaint paint;
17cb93a386Sopenharmony_ci    paint.setAntiAlias(true);
18cb93a386Sopenharmony_ci    paint.setTextSize(48);
19cb93a386Sopenharmony_ci    canvas->drawString(string, 0, source.bounds().height() + 48, paint);
20cb93a386Sopenharmony_ci}
21cb93a386Sopenharmony_ci}  // END FIDDLE
22cb93a386Sopenharmony_ci#endif  // Disabled until updated to use current API.
23

Indexes created Thu Nov 07 10:32:03 CST 2024