skia2/gm/drawlines_with_local_matrix.cpp
Chris Dalton 92c624fe85 Use FillRRectOp in drawStrokedLine for dmsaa
This makes it so we don't trigger msaa in drawStrokedLine anymore.

Bug: skia:skia:12872
Change-Id: Id68b55ba9e3989f2a775affe9a1b20bf3186123c
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/502816
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Christopher Dalton <csmartdalton@google.com>
2022-02-02 19:07:39 +00:00

48 lines
1.7 KiB
C++

/*
* Copyright 2022 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm/gm.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkPaint.h"
#include "include/effects/SkGradientShader.h"
DEF_SIMPLE_GM(drawlines_with_local_matrix, canvas, 500, 500) {
canvas->clipRect({0,0,500,500});
SkPaint grad;
grad.setAntiAlias(true);
grad.setStrokeCap(SkPaint::kSquare_Cap);
float pos[6] = {0, 2/6.f, 3/6.f, 4/6.f, 5/6.f, 1};
constexpr SkColor indigo = SkColorSetARGB(0xFF, 0x4b, 0x00, 0x82);
constexpr SkColor violet = SkColorSetARGB(0xFF, 0xee, 0x82, 0xee);
SkColor colors[6] = {SK_ColorRED, SK_ColorYELLOW, SK_ColorGREEN, SK_ColorBLUE, indigo, violet};
grad.setShader(SkGradientShader::MakeRadial({250,250}, 280, colors, pos, 6,SkTileMode::kClamp));
canvas->drawPaint(grad);
SkPaint white;
white.setAntiAlias(true);
white.setStrokeCap(SkPaint::kSquare_Cap);
white.setColor(SK_ColorWHITE);
auto drawLine = [&](float x0, float y0, float x1, float y1, float w) {
SkPoint p[2] = {{x0, y0}, {x1, y1}};
white.setStrokeWidth(w);
canvas->drawPoints(SkCanvas::kLines_PointMode, 2, p, white);
grad.setStrokeWidth(w - 4);
canvas->drawPoints(SkCanvas::kLines_PointMode, 2, p, grad);
};
drawLine(20, 20, 200, 120, 20);
drawLine(20, 200, 20, 100, 20);
drawLine(480, 20, 400, 400, 20);
drawLine(50, 480, 260, 100, 20);
drawLine(270, 20, 380, 210, 20);
drawLine(280, 280, 400, 480, 20);
drawLine(160, 375, 280, 375, 20);
drawLine(220, 410, 220, 470, 20);
drawLine(250, 250, 250, 250, 20);
}