xref: /third_party/skia/docs/examples/RGBToHSV.cpp (revision cb93a386)
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=4fb2da4a3d9b14ca4ac24eefb0f5126a
6cb93a386Sopenharmony_ciREG_FIDDLE(RGBToHSV, 256, 256, false, 3) {
7cb93a386Sopenharmony_civoid draw(SkCanvas* canvas) {
8cb93a386Sopenharmony_ci    canvas->drawBitmap(source, 0, 0);
9cb93a386Sopenharmony_ci    SkPaint bgPaint;
10cb93a386Sopenharmony_ci    bgPaint.setColor(0xafffffff);
11cb93a386Sopenharmony_ci    canvas->drawRect({20, 30, 110, 90}, bgPaint);
12cb93a386Sopenharmony_ci    SkScalar hsv[3];
13cb93a386Sopenharmony_ci    SkColor c = source.getColor(226, 128);
14cb93a386Sopenharmony_ci    SkRGBToHSV(SkColorGetR(c), SkColorGetG(c), SkColorGetB(c), hsv);
15cb93a386Sopenharmony_ci    canvas->drawString(("h: " + std::to_string(hsv[0]).substr(0, 6)).c_str(), 27, 45, SkPaint());
16cb93a386Sopenharmony_ci    canvas->drawString(("s: " + std::to_string(hsv[1]).substr(0, 6)).c_str(), 27, 65, SkPaint());
17cb93a386Sopenharmony_ci    canvas->drawString(("v: " + std::to_string(hsv[2]).substr(0, 6)).c_str(), 27, 85, SkPaint());
18cb93a386Sopenharmony_ci    canvas->drawLine(110, 90, 226, 128, SkPaint());
19cb93a386Sopenharmony_ci}
20cb93a386Sopenharmony_ci}  // END FIDDLE
21cb93a386Sopenharmony_ci#endif  // Disabled until updated to use current API.
22