| /* |
| * 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/SkCanvas.h" |
| #include "include/core/SkColor.h" |
| #include "include/core/SkPaint.h" |
| #include "include/core/SkRect.h" |
| #include "include/core/SkScalar.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); |
| } |
| |
| draw_big_rect(canvas, sizes[j], paint); |
| canvas->restore(); |
| } |
| } |
| } |