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Add bigrect GM.

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Previous version in https://codereview.chromium.org/1758113005
was reverted.

Bug: skia:4632
Change-Id: I9a85f11ca3a6fcd5e67016edf67f0538f00b6f01
Reviewed-on: https://skia-review.googlesource.com/14751
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Ben Wagner <benjaminwagner@google.com>
This commit is contained in:
Ben Wagner 2017-05-04 18:04:53 -04:00 committed by Skia Commit-Bot
parent 6bfe3f5142
commit 912876b38a
2 changed files with 106 additions and 0 deletions
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105
gm/bigrect.cpp Normal file
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@ -0,0 +1,105 @@
/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm.h"
// Draws big rects with clip (0, 0, 35, 35). The size of the rects is given by big.
static void draw_big_rect(SkCanvas* canvas, SkScalar big, const SkPaint& rectPaint) {
// Looks like this:
// +--+-+----+-+----+
// | | | | | |
// |--+-+----+-+----+
// |--+-+----+-+----+
// | | | | | |
// | | | +-+ |
// +--+-+--+ +--+
// +--+-+--+ +--+
// | | | +-+ |
// | | | | | |
// +--+-+----+-+----+
canvas->clipRect({0, 0, 35, 35});
// Align to pixel boundaries.
canvas->translate(0.5, 0.5);
SkRect horiz = SkRect::MakeLTRB(-big, 5, big, 10);
canvas->drawRect(horiz, rectPaint);
SkRect vert = SkRect::MakeLTRB(5, -big, 10, big);
canvas->drawRect(vert, rectPaint);
SkRect fromLeft = SkRect::MakeLTRB(-big, 20, 17, 25);
canvas->drawRect(fromLeft, rectPaint);
SkRect fromTop = SkRect::MakeLTRB(20, -big, 25, 17);
canvas->drawRect(fromTop, rectPaint);
SkRect fromRight = SkRect::MakeLTRB(28, 20, big, 25);
canvas->drawRect(fromRight, rectPaint);
SkRect fromBottom = SkRect::MakeLTRB(20, 28, 25, big);
canvas->drawRect(fromBottom, rectPaint);
SkRect leftBorder = SkRect::MakeLTRB(-2, -1, 0, 35);
canvas->drawRect(leftBorder, rectPaint);
SkRect topBorder = SkRect::MakeLTRB(-1, -2, 35, 0);
canvas->drawRect(topBorder, rectPaint);
SkRect rightBorder = SkRect::MakeLTRB(34, -1, 36, 35);
canvas->drawRect(rightBorder, rectPaint);
SkRect bottomBorder = SkRect::MakeLTRB(-1, 34, 35, 36);
canvas->drawRect(bottomBorder, rectPaint);
SkPaint outOfBoundsPaint;
outOfBoundsPaint.setColor(SK_ColorRED);
outOfBoundsPaint.setStyle(SkPaint::kStroke_Style);
outOfBoundsPaint.setStrokeWidth(0);
SkRect outOfBounds = SkRect::MakeLTRB(-1, -1, 35, 35);
canvas->drawRect(outOfBounds, outOfBoundsPaint);
}
DEF_SIMPLE_GM(bigrect, canvas, 325, 125) {
// Test with sizes:
// - reasonable size (for comparison),
// - outside the range of int32, and
// - outside the range of SkFixed.
static const SkScalar sizes[] = {SkIntToScalar(100), 5e10f, 1e6f};
for (int i = 0; i < 8; i++) {
for (int j = 0; j < 3; j++) {
canvas->save();
canvas->translate(SkIntToScalar(i*40+5), SkIntToScalar(j*40+5));
SkPaint paint;
paint.setColor(SK_ColorBLUE);
// These are the three parameters that affect the behavior of SkDraw::drawRect.
if (i & 1) {
paint.setStyle(SkPaint::kFill_Style);
} else {
paint.setStyle(SkPaint::kStroke_Style);
}
if (i & 2) {
paint.setStrokeWidth(1);
} else {
paint.setStrokeWidth(0);
}
if (i & 4) {
paint.setAntiAlias(true);
} else {
paint.setAntiAlias(false);
}
const SkScalar big = SkFloatToScalar(sizes[j]);
draw_big_rect(canvas, big, paint);
canvas->restore();
}
}
}

1
gn/gm.gni
View File

@ -26,6 +26,7 @@ gm_sources = [
"$_gm/beziers.cpp",
"$_gm/bigblurs.cpp",
"$_gm/bigmatrix.cpp",
"$_gm/bigrect.cpp",
"$_gm/bigrrectaaeffect.cpp",
"$_gm/bigtext.cpp",
"$_gm/bigtileimagefilter.cpp",