80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
|
/*
|
||
|
|
* Copyright 2019 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/SkColor.h"
|
||
|
|
#include "include/core/SkPaint.h"
|
||
|
|
#include "include/core/SkPath.h"
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Canvas example. Expected large blue stroked circle, white middle, small red circle.
|
||
|
|
* GPU-accelerated canvas produces large blue stroked circle, white middle, NO red circle.
|
||
|
|
*
|
||
|
|
* 1: var c = document.getElementById("myCanvas");
|
||
|
|
* 2: var ctx = c.getContext("2d");
|
||
|
|
* 3: ctx.beginPath();
|
||
|
|
* 4: ctx.scale(203.20, 203.20);
|
||
|
|
* 5: ctx.translate(-14.55, -711.51);
|
||
|
|
* 6: ctx.fillStyle = "red";
|
||
|
|
* 7: ctx.strokeStyle = "blue";
|
||
|
|
* 8: //ctx.lineWidth = 1/203.20;
|
||
|
|
* 9: ctx.arc(19.221, 720-6.76,0.0295275590551181,0,2*Math.PI);
|
||
|
|
* 10: ctx.stroke();
|
||
|
|
* 11: ctx.fill();
|
||
|
|
* 12: ctx.closePath();
|
||
|
|
*/
|
||
|
|
DEF_SIMPLE_GM_BG(crbug_996140, canvas, 300, 300, SK_ColorWHITE) {
|
||
|
|
// Specific parameters taken from the canvas minimum working example
|
||
|
|
SkScalar cx = 19.221f;
|
||
|
|
SkScalar cy = 720-6.76f;
|
||
|
|
SkScalar radius = 0.0295275590551181f;
|
||
|
|
|
||
|
|
SkScalar s = 203.20f;
|
||
|
|
SkScalar tx = -14.55f;
|
||
|
|
SkScalar ty = -711.51f;
|
||
|
|
|
||
|
|
// 0: The test canvas was 1920x574 and the circle was located in the bottom left, but that's
|
||
|
|
// not necessary to reproduce the problem, so translate to make a smaller GM.
|
||
|
|
canvas->translate(-800, -200);
|
||
|
|
|
||
|
|
// 3: ctx.beginPath();
|
||
|
|
SkPath path;
|
||
|
|
|
||
|
|
// 4: ctx.scale(203.20, 203.20);
|
||
|
|
canvas->scale(s, s);
|
||
|
|
// 5: ctx.translate(-14.55, -711.51);
|
||
|
|
canvas->translate(tx, ty);
|
||
|
|
|
||
|
|
// 6: ctx.fillStyle = "red";
|
||
|
|
SkPaint fill;
|
||
|
|
fill.setColor(SK_ColorRED);
|
||
|
|
fill.setStyle(SkPaint::kFill_Style);
|
||
|
|
fill.setAntiAlias(true);
|
||
|
|
|
||
|
|
// 7: ctx.strokeStyle = "blue";
|
||
|
|
SkPaint stroke;
|
||
|
|
stroke.setColor(SK_ColorBLUE);
|
||
|
|
stroke.setStrokeWidth(1.f);
|
||
|
|
stroke.setStyle(SkPaint::kStroke_Style);
|
||
|
|
stroke.setAntiAlias(true);
|
||
|
|
|
||
|
|
// 9: ctx.arc(19.221, 720-6.76,0.0295275590551181,0,2*Math.PI);
|
||
|
|
// This matches how Canvas prepares an arc(x, y, radius, 0, 2pi) call
|
||
|
|
SkRect boundingBox = SkRect::MakeLTRB(cx - radius, cy - radius, cx + radius, cy + radius);
|
||
|
|
path.arcTo(boundingBox, 0, 180.f, false);
|
||
|
|
path.arcTo(boundingBox, 180.f, 180.f, false);
|
||
|
|
|
||
|
|
// 12: ctx.closePath();
|
||
|
|
// path.close();
|
||
|
|
|
||
|
|
// 10: ctx.stroke(); (NOT NEEDED TO REPRODUCE FAILING RED CIRCLE)
|
||
|
|
canvas->drawPath(path, stroke);
|
||
|
|
// 11: ctx.fill()
|
||
|
|
canvas->drawPath(path, fill);
|
||
|
|
}
|