xref: /aosp_15_r20/external/skia/docs/examples/Path_conicTo.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker // Copyright 2019 Google LLC.
2*c8dee2aaSAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3*c8dee2aaSAndroid Build Coastguard Worker #include "tools/fiddle/examples.h"
4*c8dee2aaSAndroid Build Coastguard Worker REG_FIDDLE(Path_conicTo, 256, 160, false, 0) {
draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Worker void draw(SkCanvas* canvas) {
6*c8dee2aaSAndroid Build Coastguard Worker     SkPaint paint;
7*c8dee2aaSAndroid Build Coastguard Worker     paint.setAntiAlias(true);
8*c8dee2aaSAndroid Build Coastguard Worker     paint.setStyle(SkPaint::kStroke_Style);
9*c8dee2aaSAndroid Build Coastguard Worker     SkPoint conicPts[] = {{20, 150}, {120, 10}, {220, 150}};
10*c8dee2aaSAndroid Build Coastguard Worker     canvas->drawLine(conicPts[0], conicPts[1], paint);
11*c8dee2aaSAndroid Build Coastguard Worker     canvas->drawLine(conicPts[1], conicPts[2], paint);
12*c8dee2aaSAndroid Build Coastguard Worker     SkColor colors[] = { 0xff88ff00, 0xff0088bb, 0xff6600cc, 0xffbb3377 };
13*c8dee2aaSAndroid Build Coastguard Worker     paint.setStrokeWidth(3);
14*c8dee2aaSAndroid Build Coastguard Worker     SkScalar weight = 0.5f;
15*c8dee2aaSAndroid Build Coastguard Worker     for (unsigned i = 0; i < std::size(colors); ++i) {
16*c8dee2aaSAndroid Build Coastguard Worker         SkPath path;
17*c8dee2aaSAndroid Build Coastguard Worker         path.moveTo(conicPts[0]);
18*c8dee2aaSAndroid Build Coastguard Worker         path.conicTo(conicPts[1], conicPts[2], weight);
19*c8dee2aaSAndroid Build Coastguard Worker         paint.setColor(colors[i]);
20*c8dee2aaSAndroid Build Coastguard Worker         canvas->drawPath(path, paint);
21*c8dee2aaSAndroid Build Coastguard Worker         weight += 0.25f;
22*c8dee2aaSAndroid Build Coastguard Worker    }
23*c8dee2aaSAndroid Build Coastguard Worker }
24*c8dee2aaSAndroid Build Coastguard Worker }  // END FIDDLE
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