2011-10-05 19:57:55 +00:00
|
|
|
/*
|
|
|
|
* Copyright 2011 Google Inc.
|
|
|
|
*
|
|
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
|
|
* found in the LICENSE file.
|
|
|
|
*/
|
|
|
|
#include "gm.h"
|
2017-03-22 17:47:51 +00:00
|
|
|
#include "sk_tool_utils.h"
|
2011-10-05 19:57:55 +00:00
|
|
|
#include "SkCanvas.h"
|
|
|
|
#include "SkPaint.h"
|
2015-08-05 20:57:49 +00:00
|
|
|
#include "SkPath.h"
|
2011-10-05 19:57:55 +00:00
|
|
|
#include "SkRandom.h"
|
|
|
|
|
|
|
|
namespace skiagm {
|
|
|
|
|
|
|
|
class EmptyPathGM : public GM {
|
|
|
|
public:
|
|
|
|
EmptyPathGM() {}
|
|
|
|
|
|
|
|
protected:
|
|
|
|
SkString onShortName() {
|
|
|
|
return SkString("emptypath");
|
|
|
|
}
|
2012-08-23 18:19:56 +00:00
|
|
|
|
2014-06-10 06:59:03 +00:00
|
|
|
SkISize onISize() { return SkISize::Make(600, 280); }
|
2011-10-05 19:57:55 +00:00
|
|
|
|
|
|
|
void drawEmpty(SkCanvas* canvas,
|
|
|
|
SkColor color,
|
|
|
|
const SkRect& clip,
|
|
|
|
SkPaint::Style style,
|
|
|
|
SkPath::FillType fill) {
|
|
|
|
SkPath path;
|
|
|
|
path.setFillType(fill);
|
|
|
|
SkPaint paint;
|
|
|
|
paint.setColor(color);
|
|
|
|
paint.setStyle(style);
|
|
|
|
canvas->save();
|
|
|
|
canvas->clipRect(clip);
|
|
|
|
canvas->drawPath(path, paint);
|
|
|
|
canvas->restore();
|
|
|
|
}
|
2012-08-23 18:19:56 +00:00
|
|
|
|
2011-10-05 19:57:55 +00:00
|
|
|
virtual void onDraw(SkCanvas* canvas) {
|
|
|
|
struct FillAndName {
|
|
|
|
SkPath::FillType fFill;
|
|
|
|
const char* fName;
|
|
|
|
};
|
2016-09-01 18:24:54 +00:00
|
|
|
constexpr FillAndName gFills[] = {
|
2011-10-05 19:57:55 +00:00
|
|
|
{SkPath::kWinding_FillType, "Winding"},
|
|
|
|
{SkPath::kEvenOdd_FillType, "Even / Odd"},
|
|
|
|
{SkPath::kInverseWinding_FillType, "Inverse Winding"},
|
|
|
|
{SkPath::kInverseEvenOdd_FillType, "Inverse Even / Odd"},
|
|
|
|
};
|
|
|
|
struct StyleAndName {
|
|
|
|
SkPaint::Style fStyle;
|
|
|
|
const char* fName;
|
|
|
|
};
|
2016-09-01 18:24:54 +00:00
|
|
|
constexpr StyleAndName gStyles[] = {
|
2011-10-05 19:57:55 +00:00
|
|
|
{SkPaint::kFill_Style, "Fill"},
|
|
|
|
{SkPaint::kStroke_Style, "Stroke"},
|
|
|
|
{SkPaint::kStrokeAndFill_Style, "Stroke And Fill"},
|
|
|
|
};
|
|
|
|
|
|
|
|
SkPaint titlePaint;
|
|
|
|
titlePaint.setColor(SK_ColorBLACK);
|
|
|
|
titlePaint.setAntiAlias(true);
|
2015-07-24 19:09:25 +00:00
|
|
|
sk_tool_utils::set_portable_typeface(&titlePaint);
|
2011-10-05 19:57:55 +00:00
|
|
|
titlePaint.setTextSize(15 * SK_Scalar1);
|
|
|
|
const char title[] = "Empty Paths Drawn Into Rectangle Clips With "
|
|
|
|
"Indicated Style and Fill";
|
|
|
|
canvas->drawText(title, strlen(title),
|
|
|
|
20 * SK_Scalar1,
|
|
|
|
20 * SK_Scalar1,
|
|
|
|
titlePaint);
|
|
|
|
|
2014-12-15 20:54:51 +00:00
|
|
|
SkRandom rand;
|
2011-10-05 19:57:55 +00:00
|
|
|
SkRect rect = SkRect::MakeWH(100*SK_Scalar1, 30*SK_Scalar1);
|
|
|
|
int i = 0;
|
|
|
|
canvas->save();
|
|
|
|
canvas->translate(10 * SK_Scalar1, 0);
|
|
|
|
canvas->save();
|
2011-10-10 14:03:33 +00:00
|
|
|
for (size_t style = 0; style < SK_ARRAY_COUNT(gStyles); ++style) {
|
|
|
|
for (size_t fill = 0; fill < SK_ARRAY_COUNT(gFills); ++fill) {
|
2011-10-05 19:57:55 +00:00
|
|
|
if (0 == i % 4) {
|
|
|
|
canvas->restore();
|
|
|
|
canvas->translate(0, rect.height() + 40 * SK_Scalar1);
|
|
|
|
canvas->save();
|
|
|
|
} else {
|
|
|
|
canvas->translate(rect.width() + 40 * SK_Scalar1, 0);
|
|
|
|
}
|
|
|
|
++i;
|
|
|
|
|
|
|
|
|
|
|
|
SkColor color = rand.nextU();
|
2015-06-12 18:49:04 +00:00
|
|
|
color = 0xff000000 | color; // force solid
|
2015-06-15 13:51:08 +00:00
|
|
|
color = sk_tool_utils::color_to_565(color);
|
2011-10-05 19:57:55 +00:00
|
|
|
this->drawEmpty(canvas, color, rect,
|
|
|
|
gStyles[style].fStyle, gFills[fill].fFill);
|
|
|
|
|
|
|
|
SkPaint rectPaint;
|
|
|
|
rectPaint.setColor(SK_ColorBLACK);
|
|
|
|
rectPaint.setStyle(SkPaint::kStroke_Style);
|
|
|
|
rectPaint.setStrokeWidth(-1);
|
|
|
|
rectPaint.setAntiAlias(true);
|
|
|
|
canvas->drawRect(rect, rectPaint);
|
|
|
|
|
|
|
|
SkPaint labelPaint;
|
|
|
|
labelPaint.setColor(color);
|
|
|
|
labelPaint.setAntiAlias(true);
|
2015-07-24 19:09:25 +00:00
|
|
|
sk_tool_utils::set_portable_typeface(&labelPaint);
|
2011-10-05 19:57:55 +00:00
|
|
|
labelPaint.setTextSize(12 * SK_Scalar1);
|
|
|
|
canvas->drawText(gStyles[style].fName,
|
|
|
|
strlen(gStyles[style].fName),
|
|
|
|
0, rect.height() + 15 * SK_Scalar1,
|
|
|
|
labelPaint);
|
|
|
|
canvas->drawText(gFills[fill].fName,
|
|
|
|
strlen(gFills[fill].fName),
|
|
|
|
0, rect.height() + 28 * SK_Scalar1,
|
|
|
|
labelPaint);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
canvas->restore();
|
|
|
|
canvas->restore();
|
|
|
|
}
|
2012-08-23 18:19:56 +00:00
|
|
|
|
2011-10-05 19:57:55 +00:00
|
|
|
private:
|
|
|
|
typedef GM INHERITED;
|
|
|
|
};
|
2015-09-04 17:03:26 +00:00
|
|
|
DEF_GM( return new EmptyPathGM; )
|
2011-10-05 19:57:55 +00:00
|
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
2015-09-04 17:03:26 +00:00
|
|
|
static void make_path_move(SkPath* path, const SkPoint pts[3]) {
|
|
|
|
for (int i = 0; i < 3; ++i) {
|
|
|
|
path->moveTo(pts[i]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void make_path_move_close(SkPath* path, const SkPoint pts[3]) {
|
|
|
|
for (int i = 0; i < 3; ++i) {
|
|
|
|
path->moveTo(pts[i]);
|
|
|
|
path->close();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void make_path_move_line(SkPath* path, const SkPoint pts[3]) {
|
|
|
|
for (int i = 0; i < 3; ++i) {
|
|
|
|
path->moveTo(pts[i]);
|
|
|
|
path->lineTo(pts[i]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
typedef void (*MakePathProc)(SkPath*, const SkPoint pts[3]);
|
|
|
|
|
|
|
|
static void make_path_move_mix(SkPath* path, const SkPoint pts[3]) {
|
|
|
|
path->moveTo(pts[0]);
|
|
|
|
path->moveTo(pts[1]); path->close();
|
|
|
|
path->moveTo(pts[2]); path->lineTo(pts[2]);
|
|
|
|
}
|
|
|
|
|
|
|
|
class EmptyStrokeGM : public GM {
|
|
|
|
SkPoint fPts[3];
|
|
|
|
|
|
|
|
public:
|
|
|
|
EmptyStrokeGM() {
|
|
|
|
fPts[0].set(40, 40);
|
|
|
|
fPts[1].set(80, 40);
|
|
|
|
fPts[2].set(120, 40);
|
|
|
|
}
|
|
|
|
|
|
|
|
protected:
|
2015-09-04 20:12:55 +00:00
|
|
|
SkString onShortName() override {
|
2015-09-04 17:03:26 +00:00
|
|
|
return SkString("emptystroke");
|
|
|
|
}
|
|
|
|
|
|
|
|
SkISize onISize() override { return SkISize::Make(200, 240); }
|
|
|
|
|
|
|
|
void onDraw(SkCanvas* canvas) override {
|
|
|
|
const MakePathProc procs[] = {
|
|
|
|
make_path_move, // expect red red red
|
|
|
|
make_path_move_close, // expect black black black
|
|
|
|
make_path_move_line, // expect black black black
|
|
|
|
make_path_move_mix, // expect red black black,
|
|
|
|
};
|
|
|
|
|
|
|
|
SkPaint strokePaint;
|
|
|
|
strokePaint.setStyle(SkPaint::kStroke_Style);
|
|
|
|
strokePaint.setStrokeWidth(21);
|
|
|
|
strokePaint.setStrokeCap(SkPaint::kSquare_Cap);
|
|
|
|
|
|
|
|
SkPaint dotPaint;
|
|
|
|
dotPaint.setColor(SK_ColorRED);
|
|
|
|
strokePaint.setStyle(SkPaint::kStroke_Style);
|
|
|
|
dotPaint.setStrokeWidth(7);
|
|
|
|
|
|
|
|
for (size_t i = 0; i < SK_ARRAY_COUNT(procs); ++i) {
|
|
|
|
SkPath path;
|
|
|
|
procs[i](&path, fPts);
|
|
|
|
canvas->drawPoints(SkCanvas::kPoints_PointMode, 3, fPts, dotPaint);
|
|
|
|
canvas->drawPath(path, strokePaint);
|
|
|
|
canvas->translate(0, 40);
|
|
|
|
}
|
|
|
|
}
|
2016-03-29 16:03:52 +00:00
|
|
|
|
2015-09-04 17:03:26 +00:00
|
|
|
private:
|
|
|
|
typedef GM INHERITED;
|
|
|
|
};
|
|
|
|
DEF_GM( return new EmptyStrokeGM; )
|
2011-10-05 19:57:55 +00:00
|
|
|
|
|
|
|
}
|