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- /*
- * 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);
- }
- const SkScalar big = SkFloatToScalar(sizes[j]);
- draw_big_rect(canvas, big, paint);
- canvas->restore();
- }
- }
- }
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