d88c2e8e09
Change-Id: I9a6b2780cfdd91cdd16d5a08eb9ba1214492cb7e Reviewed-on: https://skia-review.googlesource.com/c/skia/+/201982 Commit-Queue: Hal Canary <halcanary@google.com> Reviewed-by: Hal Canary <halcanary@google.com>
27 lines
1008 B
C++
27 lines
1008 B
C++
// Copyright 2019 Google LLC.
|
|
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
|
|
#include "fiddle/examples.h"
|
|
// HASH=e626e26bf557857b824aa7d03f723e0f
|
|
REG_FIDDLE(IPoint_subtract_operator, 256, 64, false, 0) {
|
|
void draw(SkCanvas* canvas) {
|
|
auto draw_lines = [=](const SkIPoint pts[], size_t count, SkPaint& paint) -> void {
|
|
for (size_t i = 0; i < count - 1; ++i) {
|
|
SkPoint p0, p1;
|
|
p0.iset(pts[i]);
|
|
p1.iset(pts[i + 1]);
|
|
canvas->drawLine(p0, p1, paint);
|
|
}
|
|
};
|
|
SkIPoint points[] = { { 3, 1 }, { 4, 2 }, { 5, 1 }, { 7, 3 } };
|
|
SkPaint paint;
|
|
paint.setAntiAlias(true);
|
|
paint.setStyle(SkPaint::kStroke_Style);
|
|
canvas->scale(30, 15);
|
|
draw_lines(points, SK_ARRAY_COUNT(points), paint);
|
|
points[1] += points[0] - points[3];
|
|
points[2] -= points[1] - points[0];
|
|
paint.setColor(SK_ColorRED);
|
|
draw_lines(points, SK_ARRAY_COUNT(points), paint);
|
|
}
|
|
} // END FIDDLE
|