111 lines
3.4 KiB
C++
111 lines
3.4 KiB
C++
/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm/gm.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkColor.h"
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#include "include/core/SkPaint.h"
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#include "include/core/SkRect.h"
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#include "include/core/SkScalar.h"
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// Draws big rects with clip (0, 0, 35, 35). The size of the rects is given by big.
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static void draw_big_rect(SkCanvas* canvas, SkScalar big, const SkPaint& rectPaint) {
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// Looks like this:
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// +--+-+----+-+----+
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// | | | | | |
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// |--+-+----+-+----+
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// |--+-+----+-+----+
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// | | | | | |
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// | | | +-+ |
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// +--+-+--+ +--+
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// +--+-+--+ +--+
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// | | | +-+ |
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// | | | | | |
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// +--+-+----+-+----+
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canvas->clipRect({0, 0, 35, 35});
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// Align to pixel boundaries.
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canvas->translate(0.5, 0.5);
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SkRect horiz = SkRect::MakeLTRB(-big, 5, big, 10);
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canvas->drawRect(horiz, rectPaint);
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SkRect vert = SkRect::MakeLTRB(5, -big, 10, big);
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canvas->drawRect(vert, rectPaint);
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SkRect fromLeft = SkRect::MakeLTRB(-big, 20, 17, 25);
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canvas->drawRect(fromLeft, rectPaint);
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SkRect fromTop = SkRect::MakeLTRB(20, -big, 25, 17);
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canvas->drawRect(fromTop, rectPaint);
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SkRect fromRight = SkRect::MakeLTRB(28, 20, big, 25);
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canvas->drawRect(fromRight, rectPaint);
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SkRect fromBottom = SkRect::MakeLTRB(20, 28, 25, big);
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canvas->drawRect(fromBottom, rectPaint);
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SkRect leftBorder = SkRect::MakeLTRB(-2, -1, 0, 35);
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canvas->drawRect(leftBorder, rectPaint);
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SkRect topBorder = SkRect::MakeLTRB(-1, -2, 35, 0);
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canvas->drawRect(topBorder, rectPaint);
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SkRect rightBorder = SkRect::MakeLTRB(34, -1, 36, 35);
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canvas->drawRect(rightBorder, rectPaint);
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SkRect bottomBorder = SkRect::MakeLTRB(-1, 34, 35, 36);
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canvas->drawRect(bottomBorder, rectPaint);
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SkPaint outOfBoundsPaint;
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outOfBoundsPaint.setColor(SK_ColorRED);
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outOfBoundsPaint.setStyle(SkPaint::kStroke_Style);
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outOfBoundsPaint.setStrokeWidth(0);
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SkRect outOfBounds = SkRect::MakeLTRB(-1, -1, 35, 35);
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canvas->drawRect(outOfBounds, outOfBoundsPaint);
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}
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DEF_SIMPLE_GM(bigrect, canvas, 325, 125) {
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// Test with sizes:
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// - reasonable size (for comparison),
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// - outside the range of int32, and
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// - outside the range of SkFixed.
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static const SkScalar sizes[] = {SkIntToScalar(100), 5e10f, 1e6f};
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for (int i = 0; i < 8; i++) {
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for (int j = 0; j < 3; j++) {
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canvas->save();
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canvas->translate(SkIntToScalar(i*40+5), SkIntToScalar(j*40+5));
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SkPaint paint;
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paint.setColor(SK_ColorBLUE);
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// These are the three parameters that affect the behavior of SkDraw::drawRect.
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if (i & 1) {
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paint.setStyle(SkPaint::kFill_Style);
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} else {
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paint.setStyle(SkPaint::kStroke_Style);
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}
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if (i & 2) {
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paint.setStrokeWidth(1);
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} else {
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paint.setStrokeWidth(0);
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}
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if (i & 4) {
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paint.setAntiAlias(true);
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} else {
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paint.setAntiAlias(false);
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}
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const SkScalar big = SkFloatToScalar(sizes[j]);
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draw_big_rect(canvas, big, paint);
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canvas->restore();
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}
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}
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}
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