blob: 315b88e558992a213b23a274ff3f9575642baf00 [file] [log] [blame]
/*
* Copyright 2018 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/core/SkPath.h"
#include "include/core/SkRect.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkSurface.h"
#include "include/core/SkTiledImageUtils.h"
DEF_SIMPLE_GM(path_huge_crbug_800804, canvas, 50, 600) {
SkPaint paint;
paint.setAntiAlias(true);
paint.setStyle(SkPaint::kStroke_Style);
// exercise various special-cases (e.g. hairlines or not)
const float widths[] = { 0.9f, 1.0f, 1.1f };
SkPath path;
for (float w : widths) {
paint.setStrokeWidth(w);
path.reset();
path.moveTo(-1000,12345678901234567890.f);
path.lineTo(10.5f,200);
canvas->drawPath(path, paint);
path.reset();
path.moveTo(30.5f,400);
path.lineTo(1000,-9.8765432109876543210e+19f);
canvas->drawPath(path, paint);
canvas->translate(3, 0);
}
}
// Test that we can draw into a huge surface ( > 64K ) and still retain paths and antialiasing.
static void draw_huge_path(SkCanvas* canvas, int w, int h, bool manual) {
SkAutoCanvasRestore acr(canvas, true);
auto surf = SkSurfaces::Raster(SkImageInfo::MakeN32Premul(w, h));
auto can = surf->getCanvas();
SkPaint paint;
SkPath path;
path.addRoundRect(SkRect::MakeXYWH(4, 4, w - 8, h - 8), 12, 12);
canvas->save();
canvas->clipRect(SkRect::MakeXYWH(4, 4, 64, 64));
can->drawPath(path, paint);
if (manual) {
SkTiledImageUtils::DrawImage(canvas, surf->makeImageSnapshot(), 64 - w, 0);
} else {
canvas->drawImage(surf->makeImageSnapshot(), 64 - w, 0);
}
canvas->restore();
canvas->translate(80, 0);
canvas->save();
canvas->clipRect(SkRect::MakeXYWH(4, 4, 64, 64));
can->clear(0);
paint.setAntiAlias(true);
can->drawPath(path, paint);
if (manual) {
SkTiledImageUtils::DrawImage(canvas, surf->makeImageSnapshot(), 64 - w, 0);
} else {
canvas->drawImage(surf->makeImageSnapshot(), 64 - w, 0);
}
canvas->restore();
};
DEF_SIMPLE_GM(path_huge_aa, canvas, 200, 200) {
draw_huge_path(canvas, 100, 60, /* manual= */ false);
canvas->translate(0, 80);
draw_huge_path(canvas, 100 * 1024, 60, /* manual= */ false);
}
DEF_SIMPLE_GM(path_huge_aa_manual, canvas, 200, 200) {
draw_huge_path(canvas, 100, 60, /* manual= */ true);
canvas->translate(0, 80);
draw_huge_path(canvas, 100 * 1024, 60, /* manual= */ true);
}