/*
* Copyright 2012 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"
#include "SkBlurMask.h"
#include "SkBlurMaskFilter.h"
#include "SkCanvas.h"
#include "SkPath.h"
#define STROKE_WIDTH SkIntToScalar(10)
typedef void (*Proc)(SkCanvas*, const SkRect&, const SkPaint&);
static void fill_rect(SkCanvas* canvas, const SkRect& r, const SkPaint& p) {
canvas->drawRect(r, p);
}
static void draw_donut(SkCanvas* canvas, const SkRect& r, const SkPaint& p) {
SkRect rect;
SkPath path;
rect = r;
rect.outset(STROKE_WIDTH/2, STROKE_WIDTH/2);
path.addRect(rect);
rect = r;
rect.inset(STROKE_WIDTH/2, STROKE_WIDTH/2);
path.addRect(rect);
path.setFillType(SkPath::kEvenOdd_FillType);
canvas->drawPath(path, p);
}
static void draw_donut_skewed(SkCanvas* canvas, const SkRect& r, const SkPaint& p) {
SkRect rect;
SkPath path;
rect = r;
rect.outset(STROKE_WIDTH/2, STROKE_WIDTH/2);
path.addRect(rect);
rect = r;
rect.inset(STROKE_WIDTH/2, STROKE_WIDTH/2);
rect.offset(7, -7);
path.addRect(rect);
path.setFillType(SkPath::kEvenOdd_FillType);
canvas->drawPath(path, p);
}
#include "SkGradientShader.h"
typedef void (*PaintProc)(SkPaint*, SkScalar width);
static const char* gBlurStyle2Name[] = {
"normal",
"solid",
"outer",
"inner"
};
class BlurRectGM : public skiagm::GM {
SkAutoTUnref<SkMaskFilter> fMaskFilter;
SkString fName;
PaintProc fPProc;
SkAlpha fAlpha;
public:
BlurRectGM(const char name[], PaintProc pproc, U8CPU alpha,
SkBlurMaskFilter::BlurStyle bs)
: fMaskFilter(SkBlurMaskFilter::Create(bs,
SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(STROKE_WIDTH/2)),
SkBlurMaskFilter::kHighQuality_BlurFlag))
, fName(name)
, fPProc(pproc)
, fAlpha(SkToU8(alpha)) {
fName.appendf("_%s", gBlurStyle2Name[bs]);
}
protected:
virtual SkString onShortName() {
return fName;
}
virtual SkISize onISize() {
return SkISize::Make(640, 480);
}
virtual void onDraw(SkCanvas* canvas) {
canvas->translate(STROKE_WIDTH*3/2, STROKE_WIDTH*3/2);
SkRect r = { 0, 0, 250, 120 };
SkPaint paint;
paint.setMaskFilter(fMaskFilter);
if (fPProc) {
fPProc(&paint, r.width());
}
paint.setAlpha(fAlpha);
static const Proc procs[] = {
fill_rect, draw_donut, draw_donut_skewed
};
this->drawProcs(canvas, r, paint, false, procs, SK_ARRAY_COUNT(procs));
canvas->translate(r.width() * 4/3, 0);
this->drawProcs(canvas, r, paint, true, procs, SK_ARRAY_COUNT(procs));
}
virtual uint32_t onGetFlags() const { return kSkipPipe_Flag; }
private:
void drawProcs(SkCanvas* canvas, const SkRect& r, const SkPaint& paint,
bool doClip, const Proc procs[], size_t procsCount) {
SkAutoCanvasRestore acr(canvas, true);
for (size_t i = 0; i < procsCount; ++i) {
if (doClip) {
SkRect clipRect(r);
clipRect.inset(STROKE_WIDTH/2, STROKE_WIDTH/2);
canvas->save();
canvas->clipRect(r);
}
procs[i](canvas, r, paint);
if (doClip) {
canvas->restore();
}
canvas->translate(0, r.height() * 4/3);
}
}
private:
typedef GM INHERITED;
};
class BlurRectCompareGM : public skiagm::GM {
SkString fName;
unsigned int fRectWidth, fRectHeight;
SkScalar fRadius;
SkBlurMask::Style fStyle;
public:
BlurRectCompareGM(const char name[], unsigned int rectWidth,
unsigned int rectHeight, float radius,
SkBlurMask::Style style)
: fName(name)
, fRectWidth(rectWidth)
, fRectHeight(rectHeight)
, fRadius(radius)
, fStyle(style) {
}
int width() const {
return fRectWidth;
}
int height() const {
return fRectHeight;
}
SkScalar radius() const {
return fRadius;
}
SkBlurMask::Style style() const {
return fStyle;
}
protected:
virtual SkString onShortName() {
return fName;
}
virtual SkISize onISize() {
return SkISize::Make(640, 480);
}
virtual bool makeMask(SkMask *m, const SkRect&) = 0;
virtual void onDraw(SkCanvas* canvas) {
SkRect r;
r.setWH(SkIntToScalar(fRectWidth), SkIntToScalar(fRectHeight));
SkISize canvas_size = canvas->getDeviceSize();
int center_x = (canvas_size.fWidth - (int)(r.width()))/2;
int center_y = (canvas_size.fHeight - (int)(r.height()))/2;
SkMask mask;
if (!this->makeMask(&mask, r)) {
SkPaint paint;
r.offset( SkIntToScalar(center_x), SkIntToScalar(center_y) );
canvas->drawRect(r,paint);
return;
}
SkAutoMaskFreeImage amfi(mask.fImage);
SkBitmap bm;
bm.setConfig(SkBitmap::kA8_Config, mask.fBounds.width(), mask.fBounds.height());
bm.setPixels(mask.fImage);
center_x = (canvas_size.fWidth - mask.fBounds.width())/2;
center_y = (canvas_size.fHeight - mask.fBounds.height())/2;
canvas->drawBitmap(bm, SkIntToScalar(center_x), SkIntToScalar(center_y), NULL);
}
virtual uint32_t onGetFlags() const { return kSkipPipe_Flag; }
private:
typedef GM INHERITED;
};
class BlurRectFastGM: public BlurRectCompareGM {
public:
BlurRectFastGM(const char name[], unsigned int rectWidth,
unsigned int rectHeight, float blurRadius,
SkBlurMask::Style style) :
INHERITED(name, rectWidth, rectHeight, blurRadius, style) {
}
protected:
virtual bool makeMask(SkMask *m, const SkRect& r) SK_OVERRIDE {
return SkBlurMask::BlurRect(SkBlurMask::ConvertRadiusToSigma(this->radius()),
m, r, this->style());
}
private:
typedef BlurRectCompareGM INHERITED;
};
class BlurRectSlowGM: public BlurRectCompareGM {
public:
BlurRectSlowGM(const char name[], unsigned int rectWidth, unsigned int rectHeight,
float blurRadius, SkBlurMask::Style style)
: INHERITED(name, rectWidth, rectHeight, blurRadius, style) {
}
protected:
virtual bool makeMask(SkMask *m, const SkRect& r) SK_OVERRIDE {
SkMask src;
r.roundOut(&src.fBounds);
src.fBounds.offset(-src.fBounds.fLeft, -src.fBounds.fTop); // move to origin
src.fFormat = SkMask::kA8_Format;
src.fRowBytes = src.fBounds.width();
src.fImage = SkMask::AllocImage(src.computeTotalImageSize());
SkAutoMaskFreeImage amfi(src.fImage);
memset(src.fImage, 0xff, src.computeTotalImageSize());
return SkBlurMask::BoxBlur(m, src,
SkBlurMask::ConvertRadiusToSigma(this->radius()),
this->style(), this->getQuality());
}
virtual SkBlurMask::Quality getQuality() {
return SkBlurMask::kHigh_Quality;
}
private:
typedef BlurRectCompareGM INHERITED;
};
class BlurRectSlowLowGM: public BlurRectSlowGM {
public:
BlurRectSlowLowGM(const char name[], unsigned int rectWidth, unsigned int rectHeight,
float blurRadius, SkBlurMask::Style style)
: INHERITED(name, rectWidth, rectHeight, blurRadius, style) {
}
protected:
virtual SkBlurMask::Quality getQuality() SK_OVERRIDE {
return SkBlurMask::kLow_Quality;
}
private:
typedef BlurRectSlowGM INHERITED;
};
class BlurRectGroundTruthGM: public BlurRectCompareGM {
public:
BlurRectGroundTruthGM(const char name[], unsigned int rectWidth, unsigned int rectHeight,
float blurRadius, SkBlurMask::Style style)
: INHERITED(name, rectWidth, rectHeight, blurRadius, style) {
}
protected:
virtual bool makeMask(SkMask *m, const SkRect& r) SK_OVERRIDE {
SkMask src;
r.roundOut(&src.fBounds);
src.fBounds.offset(-src.fBounds.fLeft, -src.fBounds.fTop); // move to origin
src.fFormat = SkMask::kA8_Format;
src.fRowBytes = src.fBounds.width();
src.fImage = SkMask::AllocImage(src.computeTotalImageSize());
SkAutoMaskFreeImage amfi(src.fImage);
memset(src.fImage, 0xff, src.computeTotalImageSize());
return SkBlurMask::BlurGroundTruth(SkBlurMask::ConvertRadiusToSigma(this->radius()),
m, src, this->style());
}
virtual SkBlurMask::Quality getQuality() {
return SkBlurMask::kHigh_Quality;
}
private:
typedef BlurRectCompareGM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
DEF_GM(return new BlurRectGM("blurrect", NULL, 0xFF, SkBlurMaskFilter::kNormal_BlurStyle);)
DEF_GM(return new BlurRectGM("blurrect", NULL, 0xFF, SkBlurMaskFilter::kSolid_BlurStyle);)
DEF_GM(return new BlurRectGM("blurrect", NULL, 0xFF, SkBlurMaskFilter::kOuter_BlurStyle);)
DEF_GM(return new BlurRectGM("blurrect", NULL, 0xFF, SkBlurMaskFilter::kInner_BlurStyle);)
static const SkScalar kBig = 20;
static const SkScalar kSmall = 2;
// regular size rects, blurs should be small enough not to completely overlap.
DEF_GM(return new BlurRectFastGM( "blurrect_25_100_2_normal_fast", 25, 100, kSmall, SkBlurMask::kNormal_Style);)
DEF_GM(return new BlurRectFastGM("blurrect_25_100_20_normal_fast", 25, 100, kBig, SkBlurMask::kNormal_Style);)
DEF_GM(return new BlurRectSlowGM( "blurrect_25_100_2_normal_slow", 25, 100, kSmall, SkBlurMask::kNormal_Style);)
DEF_GM(return new BlurRectSlowGM("blurrect_25_100_20_normal_slow", 25, 100, kBig, SkBlurMask::kNormal_Style);)
DEF_GM(return new BlurRectFastGM( "blurrect_25_100_2_inner_fast", 25, 100, kSmall, SkBlurMask::kInner_Style);)
DEF_GM(return new BlurRectFastGM("blurrect_25_100_20_inner_fast", 25, 100, kBig, SkBlurMask::kInner_Style);)
DEF_GM(return new BlurRectSlowGM( "blurrect_25_100_2_inner_slow", 25, 100, kSmall, SkBlurMask::kInner_Style);)
DEF_GM(return new BlurRectSlowGM("blurrect_25_100_20_inner_slow", 25, 100, kBig, SkBlurMask::kInner_Style);)
DEF_GM(return new BlurRectFastGM( "blurrect_25_100_2_outer_fast", 25, 100, kSmall, SkBlurMask::kOuter_Style);)
DEF_GM(return new BlurRectFastGM("blurrect_25_100_20_outer_fast", 25, 100, kBig, SkBlurMask::kOuter_Style);)
DEF_GM(return new BlurRectSlowGM( "blurrect_25_100_2_outer_slow", 25, 100, kSmall, SkBlurMask::kOuter_Style);)
DEF_GM(return new BlurRectSlowGM("blurrect_25_100_20_outer_slow", 25, 100, kBig, SkBlurMask::kOuter_Style);)
// skinny tall rects, blurs overlap in X but not y
DEF_GM(return new BlurRectFastGM( "blurrect_5_100_2_normal_fast", 5, 100, kSmall, SkBlurMask::kNormal_Style);)
DEF_GM(return new BlurRectFastGM("blurrect_5_100_20_normal_fast", 5, 100, kBig, SkBlurMask::kNormal_Style);)
DEF_GM(return new BlurRectSlowGM( "blurrect_5_100_2_normal_slow", 5, 100, kSmall, SkBlurMask::kNormal_Style);)
DEF_GM(return new BlurRectSlowGM("blurrect_5_100_20_normal_slow", 5, 100, kBig, SkBlurMask::kNormal_Style);)
DEF_GM(return new BlurRectFastGM( "blurrect_5_100_2_inner_fast", 5, 100, kSmall, SkBlurMask::kInner_Style);)
DEF_GM(return new BlurRectFastGM("blurrect_5_100_20_inner_fast", 5, 100, kBig, SkBlurMask::kInner_Style);)
DEF_GM(return new BlurRectSlowGM( "blurrect_5_100_2_inner_slow", 5, 100, kSmall, SkBlurMask::kInner_Style);)
DEF_GM(return new BlurRectSlowGM("blurrect_5_100_20_inner_slow", 5, 100, kBig, SkBlurMask::kInner_Style);)
DEF_GM(return new BlurRectFastGM( "blurrect_5_100_2_outer_fast", 5, 100, kSmall, SkBlurMask::kOuter_Style);)
DEF_GM(return new BlurRectFastGM("blurrect_5_100_20_outer_fast", 5, 100, kBig, SkBlurMask::kOuter_Style);)
DEF_GM(return new BlurRectSlowGM( "blurrect_5_100_2_outer_slow", 5, 100, kSmall, SkBlurMask::kOuter_Style);)
DEF_GM(return new BlurRectSlowGM("blurrect_5_100_20_outer_slow", 5, 100, kBig, SkBlurMask::kOuter_Style);)
// tiny rects, blurs overlap in X and Y
DEF_GM(return new BlurRectFastGM( "blurrect_5_5_2_normal_fast", 5, 5, kSmall, SkBlurMask::kNormal_Style);)
DEF_GM(return new BlurRectFastGM("blurrect_5_5_20_normal_fast", 5, 5, kBig, SkBlurMask::kNormal_Style);)
DEF_GM(return new BlurRectSlowGM( "blurrect_5_5_2_normal_slow", 5, 5, kSmall, SkBlurMask::kNormal_Style);)
DEF_GM(return new BlurRectSlowGM("blurrect_5_5_20_normal_slow", 5, 5, kBig, SkBlurMask::kNormal_Style);)
DEF_GM(return new BlurRectFastGM( "blurrect_5_5_2_inner_fast", 5, 5, kSmall, SkBlurMask::kInner_Style);)
DEF_GM(return new BlurRectFastGM("blurrect_5_5_20_inner_fast", 5, 5, kBig, SkBlurMask::kInner_Style);)
DEF_GM(return new BlurRectSlowGM( "blurrect_5_5_2_inner_slow", 5, 5, kSmall, SkBlurMask::kInner_Style);)
DEF_GM(return new BlurRectSlowGM("blurrect_5_5_20_inner_slow", 5, 5, kBig, SkBlurMask::kInner_Style);)
DEF_GM(return new BlurRectFastGM( "blurrect_5_5_2_outer_fast", 5, 5, kSmall, SkBlurMask::kOuter_Style);)
DEF_GM(return new BlurRectFastGM("blurrect_5_5_20_outer_fast", 5, 5, kBig, SkBlurMask::kOuter_Style);)
DEF_GM(return new BlurRectSlowGM( "blurrect_5_5_2_outer_slow", 5, 5, kSmall, SkBlurMask::kOuter_Style);)
DEF_GM(return new BlurRectSlowGM("blurrect_5_5_20_outer_slow", 5, 5, kBig, SkBlurMask::kOuter_Style);)
#if 0
// dont' need to GM the gaussian convolution; it's slow and intended
// as a ground truth comparison only. Leaving these here in case we
// ever want to turn these back on for debugging reasons.
DEF_GM(return new BlurRectGroundTruthGM( "blurrect_25_100_1_simple", 25, 100, 1);)
DEF_GM(return new BlurRectGroundTruthGM( "blurrect_25_100_2_simple", 25, 100, 2);)
DEF_GM(return new BlurRectGroundTruthGM( "blurrect_25_100_3_simple", 25, 100, 3);)
DEF_GM(return new BlurRectGroundTruthGM( "blurrect_25_100_4_simple", 25, 100, 4);)
DEF_GM(return new BlurRectGroundTruthGM( "blurrect_25_100_5_simple", 25, 100, 5);)
DEF_GM(return new BlurRectGroundTruthGM( "blurrect_25_100_6_simple", 25, 100, 6);)
DEF_GM(return new BlurRectGroundTruthGM( "blurrect_25_100_7_simple", 25, 100, 7);)
DEF_GM(return new BlurRectGroundTruthGM( "blurrect_25_100_8_simple", 25, 100, 8);)
DEF_GM(return new BlurRectGroundTruthGM( "blurrect_25_100_9_simple", 25, 100, 9);)
DEF_GM(return new BlurRectGroundTruthGM("blurrect_25_100_10_simple", 25, 100, 10);)
DEF_GM(return new BlurRectGroundTruthGM("blurrect_25_100_11_simple", 25, 100, 11);)
DEF_GM(return new BlurRectGroundTruthGM("blurrect_25_100_12_simple", 25, 100, 12);)
DEF_GM(return new BlurRectGroundTruthGM("blurrect_25_100_13_simple", 25, 100, 13);)
DEF_GM(return new BlurRectGroundTruthGM("blurrect_25_100_14_simple", 25, 100, 14);)
DEF_GM(return new BlurRectGroundTruthGM("blurrect_25_100_15_simple", 25, 100, 15);)
DEF_GM(return new BlurRectGroundTruthGM("blurrect_25_100_16_simple", 25, 100, 16);)
DEF_GM(return new BlurRectGroundTruthGM("blurrect_25_100_17_simple", 25, 100, 17);)
DEF_GM(return new BlurRectGroundTruthGM("blurrect_25_100_18_simple", 25, 100, 18);)
DEF_GM(return new BlurRectGroundTruthGM("blurrect_25_100_19_simple", 25, 100, 19);)
#endif