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| 1 /* |
| 2 * Copyright 2016 Google Inc. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. |
| 6 */ |
| 7 |
| 8 #include "gm.h" |
| 9 |
| 10 // Draws big rects with clip (0, 0, 35, 35). The size of the rects is given by b
ig. |
| 11 void DrawBigRect(SkCanvas* canvas, SkScalar big, const SkPaint& rectPaint) { |
| 12 // Looks like this: |
| 13 // +-+-+--+-+------+ |
| 14 // | | | | | +---+ |
| 15 // | +-+ | | +---+ |
| 16 // | | | | |
| 17 // +------+-+------+ |
| 18 // +------+-+------+ |
| 19 // | | | | |
| 20 // +---+ | | +-+ | |
| 21 // +---+ | | | | | |
| 22 // +------+-+--+-+-+ |
| 23 |
| 24 canvas->clipRect({0, 0, 35, 35}); |
| 25 |
| 26 // Align to pixel boundaries. |
| 27 canvas->translate(0.5, 0.5); |
| 28 |
| 29 SkRect tl = SkRect::MakeLTRB(5, -big, 10, 10); |
| 30 canvas->drawRect(tl, rectPaint); |
| 31 |
| 32 SkRect tr = SkRect::MakeLTRB(25, 5, big, 10); |
| 33 canvas->drawRect(tr, rectPaint); |
| 34 |
| 35 SkRect br = SkRect::MakeLTRB(25, 25, 30, big); |
| 36 canvas->drawRect(br, rectPaint); |
| 37 |
| 38 SkRect bl = SkRect::MakeLTRB(-big, 25, 10, 30); |
| 39 canvas->drawRect(bl, rectPaint); |
| 40 |
| 41 SkRect horiz = SkRect::MakeLTRB(-big, 15, big, 20); |
| 42 canvas->drawRect(horiz, rectPaint); |
| 43 |
| 44 SkRect vert = SkRect::MakeLTRB(15, -big, 20, big); |
| 45 canvas->drawRect(vert, rectPaint); |
| 46 |
| 47 SkRect leftBorder = SkRect::MakeLTRB(-2, -1, 0, 35); |
| 48 canvas->drawRect(leftBorder, rectPaint); |
| 49 |
| 50 SkRect topBorder = SkRect::MakeLTRB(-1, -2, 35, 0); |
| 51 canvas->drawRect(topBorder, rectPaint); |
| 52 |
| 53 SkRect rightBorder = SkRect::MakeLTRB(34, -1, 36, 35); |
| 54 canvas->drawRect(rightBorder, rectPaint); |
| 55 |
| 56 SkRect bottomBorder = SkRect::MakeLTRB(-1, 34, 35, 36); |
| 57 canvas->drawRect(bottomBorder, rectPaint); |
| 58 |
| 59 SkPaint outOfBoundsPaint; |
| 60 outOfBoundsPaint.setColor(SK_ColorRED); |
| 61 outOfBoundsPaint.setStyle(SkPaint::kStroke_Style); |
| 62 outOfBoundsPaint.setStrokeWidth(0); |
| 63 |
| 64 SkRect outOfBounds = SkRect::MakeLTRB(-1, -1, 35, 35); |
| 65 canvas->drawRect(outOfBounds, outOfBoundsPaint); |
| 66 } |
| 67 |
| 68 DEF_SIMPLE_GM(bigrect, canvas, 325, 125) { |
| 69 // Test with sizes: |
| 70 // - reasonable size (for comparison), |
| 71 // - outside the range of int32, and |
| 72 // - outside the range of SkFixed. |
| 73 static const SkScalar sizes[] = {SkIntToScalar(100), 5e10f, 1e6f}; |
| 74 |
| 75 for (int i = 0; i < 8; i++) { |
| 76 for (int j = 0; j < 3; j++) { |
| 77 canvas->save(); |
| 78 canvas->translate(SkIntToScalar(i*40+5), SkIntToScalar(j*40+5)); |
| 79 |
| 80 SkPaint paint; |
| 81 paint.setColor(SK_ColorBLUE); |
| 82 // These are the three parameters that affect the behavior of SkDraw
::drawRect. |
| 83 if (i & 1) { |
| 84 paint.setStyle(SkPaint::kFill_Style); |
| 85 } else { |
| 86 paint.setStyle(SkPaint::kStroke_Style); |
| 87 } |
| 88 if (i & 2) { |
| 89 paint.setStrokeWidth(1); |
| 90 } else { |
| 91 paint.setStrokeWidth(0); |
| 92 } |
| 93 if (i & 4) { |
| 94 paint.setAntiAlias(true); |
| 95 } else { |
| 96 paint.setAntiAlias(false); |
| 97 } |
| 98 |
| 99 const SkScalar big = SkFloatToScalar(sizes[j]); |
| 100 DrawBigRect(canvas, big, paint); |
| 101 canvas->restore(); |
| 102 } |
| 103 } |
| 104 } |
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