| /* |
| * 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/gm.h" |
| #include "include/core/SkBlurTypes.h" |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkColor.h" |
| #include "include/core/SkFont.h" |
| #include "include/core/SkMaskFilter.h" |
| #include "include/core/SkPaint.h" |
| #include "include/core/SkRect.h" |
| #include "include/core/SkRefCnt.h" |
| #include "include/core/SkScalar.h" |
| #include "include/core/SkSize.h" |
| #include "include/core/SkString.h" |
| #include "include/core/SkTextBlob.h" |
| #include "include/core/SkTypeface.h" |
| #include "src/core/SkBlurMask.h" |
| #include "tools/ToolUtils.h" |
| #include "tools/fonts/FontToolUtils.h" |
| |
| #include <string.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 getName() const override { return SkString("cliperror"); } |
| |
| SkISize getISize() override { return SkISize::Make(WIDTH, HEIGHT); } |
| |
| void onDraw(SkCanvas* canvas) override { |
| SkPaint paint; |
| paint.setAntiAlias(true); |
| |
| SkFont font(ToolUtils::DefaultPortableTypeface(), 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: |
| using INHERITED = skiagm::GM; |
| }; |
| |
| DEF_GM(return new ClipErrorGM;) |