skia2/gm/clip_error.cpp
Mike Klein ea3f014e2b sk_tool_utils -> ToolUtils, and git clang-format
sk_tool_utils doesn't really fit the naming convention
the rest of code under tools/ tends to use.

Change-Id: I45326a174101c6eb4b6149e9c742f658f2fd23b1
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/202313
Auto-Submit: Mike Klein <mtklein@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
2019-03-20 18:05:42 +00:00

77 lines
2.2 KiB
C++

/*
* 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 "SkBlurMask.h"
#include "SkCanvas.h"
#include "SkMaskFilter.h"
#include "SkTextBlob.h"
#include "ToolUtils.h"
#include "gm.h"
#define WIDTH 800
#define HEIGHT 800
static void draw_text(SkCanvas* canvas, sk_sp<SkTextBlob> blob,
const SkPaint& paint, const SkPaint& blurPaint,
const SkPaint& clearPaint) {
canvas->save();
canvas->clipRect(SkRect::MakeLTRB(0, 0, 1081, 665));
canvas->drawRect(SkRect::MakeLTRB(0, 0, 1081, 665), clearPaint);
// draw as blurred to push glyph to be too large for atlas
canvas->drawTextBlob(blob, 0, 256, blurPaint);
canvas->drawTextBlob(blob, 0, 477, paint);
canvas->restore();
}
// This test ensures that glyphs that are too large for the atlas
// are both translated and clipped correctly.
class ClipErrorGM : public skiagm::GM {
public:
ClipErrorGM() {}
protected:
SkString onShortName() override { return SkString("cliperror"); }
SkISize onISize() override { return SkISize::Make(WIDTH, HEIGHT); }
void onDraw(SkCanvas* canvas) override {
SkPaint paint;
paint.setAntiAlias(true);
SkFont font(ToolUtils::create_portable_typeface(), 256);
// setup up maskfilter
const SkScalar kSigma = SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(50));
SkPaint blurPaint(paint);
blurPaint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, kSigma));
const char text[] = "hambur";
auto blob = SkTextBlob::MakeFromText(text, strlen(text), font);
SkPaint clearPaint(paint);
clearPaint.setColor(SK_ColorWHITE);
canvas->save();
canvas->translate(0, 0);
canvas->clipRect(SkRect::MakeLTRB(0, 0, WIDTH, 256));
draw_text(canvas, blob, paint, blurPaint, clearPaint);
canvas->restore();
canvas->save();
canvas->translate(0, 256);
canvas->clipRect(SkRect::MakeLTRB(0, 256, WIDTH, 510));
draw_text(canvas, blob, paint, blurPaint, clearPaint);
canvas->restore();
}
private:
typedef skiagm::GM INHERITED;
};
DEF_GM(return new ClipErrorGM;)