virtual void onDraw(SkCanvas* canvas) {
if (!fInitialized) {
make_bitmap();
make_checkerboard();
fInitialized = true;
}
canvas->clear(0x00000000);
SkPaint paint;
for (int i = 0; i < 4; i++) {
SkBitmap* bitmap = (i & 0x01) ? &fCheckerboard : &fBitmap;
SkIRect cropRect = SkIRect::MakeXYWH(i * 12,
i * 8,
bitmap->width() - i * 8,
bitmap->height() - i * 12);
SkImageFilter::CropRect rect(SkRect::Make(cropRect));
SkAutoTUnref<SkImageFilter> tileInput(SkBitmapSource::Create(*bitmap));
SkScalar dx = SkIntToScalar(i*5);
SkScalar dy = SkIntToScalar(i*10);
SkAutoTUnref<SkImageFilter> filter(
SkOffsetImageFilter::Create(dx, dy, tileInput, &rect));
paint.setImageFilter(filter);
drawClippedBitmap(canvas, *bitmap, paint, SK_Scalar1, cropRect);
canvas->translate(SkIntToScalar(bitmap->width() + MARGIN), 0);
}
SkIRect cropRect = SkIRect::MakeXYWH(0, 0, 100, 100);
SkImageFilter::CropRect rect(SkRect::Make(cropRect));
SkAutoTUnref<SkImageFilter> filter(
SkOffsetImageFilter::Create(SkIntToScalar(-5), SkIntToScalar(-10), NULL, &rect));
paint.setImageFilter(filter);
drawClippedBitmap(canvas, fBitmap, paint, SkIntToScalar(2), cropRect);
}
void onDraw(SkCanvas* canvas) override {
canvas->clear(SK_ColorBLACK);
SkPaint paint;
for (int i = 0; i < 4; i++) {
const SkBitmap* bitmap = (i & 0x01) ? &fCheckerboard : &fBitmap;
SkIRect cropRect = SkIRect::MakeXYWH(i * 12,
i * 8,
bitmap->width() - i * 8,
bitmap->height() - i * 12);
SkImageFilter::CropRect rect(SkRect::Make(cropRect));
SkAutoTUnref<SkImageFilter> tileInput(SkBitmapSource::Create(*bitmap));
SkScalar dx = SkIntToScalar(i*5);
SkScalar dy = SkIntToScalar(i*10);
SkAutoTUnref<SkImageFilter> filter(SkOffsetImageFilter::Create(dx, dy, tileInput,
&rect));
paint.setImageFilter(filter);
drawClippedBitmap(canvas, *bitmap, paint, 1, cropRect);
canvas->translate(SkIntToScalar(bitmap->width() + MARGIN), 0);
}
SkIRect cropRect = SkIRect::MakeXYWH(0, 0, 100, 100);
SkImageFilter::CropRect rect(SkRect::Make(cropRect));
SkAutoTUnref<SkImageFilter> filter(SkOffsetImageFilter::Create(-5, -10, NULL, &rect));
paint.setImageFilter(filter);
drawClippedBitmap(canvas, fBitmap, paint, 2, cropRect);
}
virtual void onDraw(SkCanvas* canvas) {
if (!fInitialized) {
make_bitmap();
make_checkerboard();
fInitialized = true;
}
canvas->clear(0x00000000);
SkPaint paint;
int x = 0, y = 0;
for (size_t i = 0; i < 4; i++) {
SkBitmap* bitmap = (i & 0x01) ? &fCheckerboard : &fBitmap;
SkIRect cropRect = SkIRect::MakeXYWH(x + i * 12,
y + i * 8,
bitmap->width() - i * 8,
bitmap->height() - i * 12);
SkImageFilter::CropRect rect(SkRect::Make(cropRect));
SkAutoTUnref<SkImageFilter> tileInput(SkNEW_ARGS(SkBitmapSource, (*bitmap)));
SkScalar dx = SkIntToScalar(i*5);
SkScalar dy = SkIntToScalar(i*10);
SkAutoTUnref<SkImageFilter> filter(SkNEW_ARGS(
SkOffsetImageFilter, (dx, dy, tileInput, &rect)));
paint.setImageFilter(filter);
drawClippedBitmap(canvas, *bitmap, paint, SkIntToScalar(x), SkIntToScalar(y));
x += bitmap->width() + MARGIN;
if (x + bitmap->width() > WIDTH) {
x = 0;
y += bitmap->height() + MARGIN;
}
}
}
DEF_FUZZ(SerializedImageFilter, f) {
fuzz = f;
SkPaint paint;
paint.setImageFilter(make_serialized_image_filter());
SkBitmap bitmap;
SkCanvas canvas(bitmap);
drawClippedBitmap(&canvas, 0, 0, paint);
}
void onDraw(int loops, SkCanvas* canvas) override {
SkPaint paint;
sk_sp<SkImageFilter> displ(SkImageSource::Make(fCheckerboard));
// Displacement, with 1 alpha component (which isn't pre-multiplied)
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kB_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType, 16.0f, displ.get()))->unref();
for (int i = 0; i < loops; i++) {
drawClippedBitmap(canvas, 100, 0, paint);
}
}
static void do_fuzz(SkCanvas* canvas) {
SkImageFilter* filter = make_serialized_image_filter();
#ifdef SK_FUZZER_IS_VERBOSE
static uint32_t numFilters = 0;
static uint32_t numValidFilters = 0;
if (0 == numFilters) {
printf("Fuzzing with %u\n", kSeed);
}
numFilters++;
if (filter) {
numValidFilters++;
}
printf("Filter no : %u. Valid filters so far : %u\r", numFilters, numValidFilters);
fflush(stdout);
#endif
SkPaint paint;
SkSafeUnref(paint.setImageFilter(filter));
drawClippedBitmap(canvas, 0, 0, paint);
}
virtual void onDraw(SkCanvas* canvas) {
if (!fOnce) {
make_bitmap();
fOnce = true;
}
struct {
int fWidth, fHeight;
int fRadiusX, fRadiusY;
} samples[] = {
{ 140, 140, 0, 0 },
{ 140, 140, 0, 2 },
{ 140, 140, 2, 0 },
{ 140, 140, 2, 2 },
{ 24, 24, 25, 25 },
};
SkPaint paint;
SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(25, 20, 100, 80));
for (unsigned j = 0; j < 4; ++j) {
for (unsigned i = 0; i < SK_ARRAY_COUNT(samples); ++i) {
const SkImageFilter::CropRect* cr = j & 0x02 ? &cropRect : NULL;
if (j & 0x01) {
paint.setImageFilter(SkErodeImageFilter::Create(
samples[i].fRadiusX,
samples[i].fRadiusY,
NULL,
cr))->unref();
} else {
paint.setImageFilter(SkDilateImageFilter::Create(
samples[i].fRadiusX,
samples[i].fRadiusY,
NULL,
cr))->unref();
}
drawClippedBitmap(canvas, paint, i * 140, j * 140);
}
}
}
virtual void onDraw(SkCanvas* canvas) {
if (!fInitialized) {
make_bitmaps();
fInitialized = true;
}
canvas->clear(0x00000000);
SkPaint paint;
SkAutoTUnref<SkImageFilter> displ(SkBitmapSource::Create(fCheckerboard));
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kG_ChannelSelectorType, 0.0f, displ))->unref();
drawClippedBitmap(canvas, 0, 0, paint);
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kB_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType, 16.0f, displ))->unref();
drawClippedBitmap(canvas, 100, 0, paint);
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kB_ChannelSelectorType, 32.0f, displ))->unref();
drawClippedBitmap(canvas, 200, 0, paint);
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kG_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType, 48.0f, displ))->unref();
drawClippedBitmap(canvas, 300, 0, paint);
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType, 64.0f, displ))->unref();
drawClippedBitmap(canvas, 400, 0, paint);
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kG_ChannelSelectorType, 40.0f, displ))->unref();
drawClippedBitmap(canvas, 0, 100, paint);
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kB_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType, 40.0f, displ))->unref();
drawClippedBitmap(canvas, 100, 100, paint);
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kB_ChannelSelectorType, 40.0f, displ))->unref();
drawClippedBitmap(canvas, 200, 100, paint);
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kG_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType, 40.0f, displ))->unref();
drawClippedBitmap(canvas, 300, 100, paint);
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType, 40.0f, displ))->unref();
drawClippedBitmap(canvas, 400, 100, paint);
SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(30, 30, 40, 40));
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kG_ChannelSelectorType,
0.0f, displ, NULL, &cropRect))->unref();
drawClippedBitmap(canvas, 0, 200, paint);
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kB_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType,
16.0f, displ, NULL, &cropRect))->unref();
drawClippedBitmap(canvas, 100, 200, paint);
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kB_ChannelSelectorType,
32.0f, displ, NULL, &cropRect))->unref();
drawClippedBitmap(canvas, 200, 200, paint);
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kG_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType,
48.0f, displ, NULL, &cropRect))->unref();
drawClippedBitmap(canvas, 300, 200, paint);
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType,
64.0f, displ, NULL, &cropRect))->unref();
drawClippedBitmap(canvas, 400, 200, paint);
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kG_ChannelSelectorType,
40.0f, displ, NULL, &cropRect))->unref();
drawClippedBitmap(canvas, 0, 300, paint);
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kB_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType,
40.0f, displ, NULL, &cropRect))->unref();
drawClippedBitmap(canvas, 100, 300, paint);
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kB_ChannelSelectorType,
40.0f, displ, NULL, &cropRect))->unref();
drawClippedBitmap(canvas, 200, 300, paint);
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kG_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType,
40.0f, displ, NULL, &cropRect))->unref();
drawClippedBitmap(canvas, 300, 300, paint);
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType,
40.0f, displ, NULL, &cropRect))->unref();
drawClippedBitmap(canvas, 400, 300, paint);
// Tests for images of different sizes
displ.reset(SkBitmapSource::Create(fSmall));
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kG_ChannelSelectorType,
40.0f, displ))->unref();
drawClippedBitmap(canvas, 0, 400, paint);
displ.reset(SkBitmapSource::Create(fLarge));
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kB_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType,
40.0f, displ))->unref();
drawClippedBitmap(canvas, 100, 400, paint);
displ.reset(SkBitmapSource::Create(fLargeW));
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kB_ChannelSelectorType,
40.0f, displ))->unref();
drawClippedBitmap(canvas, 200, 400, paint);
displ.reset(SkBitmapSource::Create(fLargeH));
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kG_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType,
40.0f, displ))->unref();
drawClippedBitmap(canvas, 300, 400, paint);
// Test for no given displacement input. In this case, both displacement
// and color should use the same bitmap, given to SkCanvas::drawBitmap()
// as an input argument.
paint.setImageFilter(SkDisplacementMapEffect::Create(
SkDisplacementMapEffect::kG_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType,
40.0f, NULL))->unref();
drawClippedBitmap(canvas, 400, 400, paint);
}
virtual void onDraw(SkCanvas* canvas) {
if (!fInitialized) {
make_bitmap();
fInitialized = true;
}
canvas->clear(0xFF101010);
SkPaint checkPaint;
checkPaint.setColor(0xFF202020);
for (int y = 0; y < HEIGHT; y += 16) {
for (int x = 0; x < WIDTH; x += 16) {
canvas->save();
canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
canvas->drawRect(SkRect::MakeXYWH(8, 0, 8, 8), checkPaint);
canvas->drawRect(SkRect::MakeXYWH(0, 8, 8, 8), checkPaint);
canvas->restore();
}
}
SkPoint3 pointLocation(0, 0, SkIntToScalar(10));
SkScalar azimuthRad = SkDegreesToRadians(SkIntToScalar(225));
SkScalar elevationRad = SkDegreesToRadians(SkIntToScalar(5));
SkPoint3 distantDirection(SkScalarMul(SkScalarCos(azimuthRad), SkScalarCos(elevationRad)),
SkScalarMul(SkScalarSin(azimuthRad), SkScalarCos(elevationRad)),
SkScalarSin(elevationRad));
SkPoint3 spotLocation(SkIntToScalar(-10), SkIntToScalar(-10), SkIntToScalar(20));
SkPoint3 spotTarget(SkIntToScalar(40), SkIntToScalar(40), 0);
SkScalar spotExponent = SK_Scalar1;
SkScalar cutoffAngle = SkIntToScalar(15);
SkScalar kd = SkIntToScalar(2);
SkScalar ks = SkIntToScalar(1);
SkScalar shininess = SkIntToScalar(8);
SkScalar surfaceScale = SkIntToScalar(1);
SkColor white(0xFFFFFFFF);
SkPaint paint;
SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(20, 10, 60, 65));
int y = 0;
for (int i = 0; i < 2; i++) {
const SkImageFilter::CropRect* cr = (i == 0) ? NULL : &cropRect;
paint.setImageFilter(SkLightingImageFilter::CreatePointLitDiffuse(pointLocation, white, surfaceScale, kd, NULL, cr))->unref();
drawClippedBitmap(canvas, paint, 0, y);
paint.setImageFilter(SkLightingImageFilter::CreateDistantLitDiffuse(distantDirection, white, surfaceScale, kd, NULL, cr))->unref();
drawClippedBitmap(canvas, paint, 110, y);
paint.setImageFilter(SkLightingImageFilter::CreateSpotLitDiffuse(spotLocation, spotTarget, spotExponent, cutoffAngle, white, surfaceScale, kd, NULL, cr))->unref();
drawClippedBitmap(canvas, paint, 220, y);
y += 110;
paint.setImageFilter(SkLightingImageFilter::CreatePointLitSpecular(pointLocation, white, surfaceScale, ks, shininess, NULL, cr))->unref();
drawClippedBitmap(canvas, paint, 0, y);
paint.setImageFilter(SkLightingImageFilter::CreateDistantLitSpecular(distantDirection, white, surfaceScale, ks, shininess, NULL, cr))->unref();
drawClippedBitmap(canvas, paint, 110, y);
paint.setImageFilter(SkLightingImageFilter::CreateSpotLitSpecular(spotLocation, spotTarget, spotExponent, cutoffAngle, white, surfaceScale, ks, shininess, NULL, cr))->unref();
drawClippedBitmap(canvas, paint, 220, y);
y += 110;
}
}
virtual void onDraw(SkCanvas* canvas) {
if (!fInitialized) {
make_bitmap();
make_checkerboard();
fInitialized = true;
}
canvas->clear(0x00000000);
SkPaint paint;
const struct {
SkXfermode::Mode fMode;
const char* fLabel;
} gModes[] = {
{ SkXfermode::kClear_Mode, "Clear" },
{ SkXfermode::kSrc_Mode, "Src" },
{ SkXfermode::kDst_Mode, "Dst" },
{ SkXfermode::kSrcOver_Mode, "SrcOver" },
{ SkXfermode::kDstOver_Mode, "DstOver" },
{ SkXfermode::kSrcIn_Mode, "SrcIn" },
{ SkXfermode::kDstIn_Mode, "DstIn" },
{ SkXfermode::kSrcOut_Mode, "SrcOut" },
{ SkXfermode::kDstOut_Mode, "DstOut" },
{ SkXfermode::kSrcATop_Mode, "SrcATop" },
{ SkXfermode::kDstATop_Mode, "DstATop" },
{ SkXfermode::kXor_Mode, "Xor" },
{ SkXfermode::kPlus_Mode, "Plus" },
{ SkXfermode::kModulate_Mode, "Modulate" },
{ SkXfermode::kScreen_Mode, "Screen" },
{ SkXfermode::kOverlay_Mode, "Overlay" },
{ SkXfermode::kDarken_Mode, "Darken" },
{ SkXfermode::kLighten_Mode, "Lighten" },
{ SkXfermode::kColorDodge_Mode, "ColorDodge" },
{ SkXfermode::kColorBurn_Mode, "ColorBurn" },
{ SkXfermode::kHardLight_Mode, "HardLight" },
{ SkXfermode::kSoftLight_Mode, "SoftLight" },
{ SkXfermode::kDifference_Mode, "Difference" },
{ SkXfermode::kExclusion_Mode, "Exclusion" },
{ SkXfermode::kMultiply_Mode, "Multiply" },
{ SkXfermode::kHue_Mode, "Hue" },
{ SkXfermode::kSaturation_Mode, "Saturation" },
{ SkXfermode::kColor_Mode, "Color" },
{ SkXfermode::kLuminosity_Mode, "Luminosity" },
};
int x = 0, y = 0;
SkAutoTUnref<SkImageFilter> background(SkNEW_ARGS(SkBitmapSource, (fCheckerboard)));
for (size_t i = 0; i < SK_ARRAY_COUNT(gModes); i++) {
SkAutoTUnref<SkXfermode> mode(SkXfermode::Create(gModes[i].fMode));
SkAutoTUnref<SkImageFilter> filter(SkNEW_ARGS(
SkXfermodeImageFilter, (mode, background)));
paint.setImageFilter(filter);
drawClippedBitmap(canvas, fBitmap, paint, SkIntToScalar(x), SkIntToScalar(y));
x += fBitmap.width() + MARGIN;
if (x + fBitmap.width() > WIDTH) {
x = 0;
y += fBitmap.height() + MARGIN;
}
}
// Test arithmetic mode as image filter
SkAutoTUnref<SkXfermode> mode(SkArithmeticMode::Create(0, SK_Scalar1, SK_Scalar1, 0));
SkAutoTUnref<SkImageFilter> filter(SkNEW_ARGS(SkXfermodeImageFilter, (mode, background)));
paint.setImageFilter(filter);
drawClippedBitmap(canvas, fBitmap, paint, SkIntToScalar(x), SkIntToScalar(y));
x += fBitmap.width() + MARGIN;
if (x + fBitmap.width() > WIDTH) {
x = 0;
y += fBitmap.height() + MARGIN;
}
// Test NULL mode
filter.reset(SkNEW_ARGS(SkXfermodeImageFilter, (NULL, background)));
paint.setImageFilter(filter);
drawClippedBitmap(canvas, fBitmap, paint, SkIntToScalar(x), SkIntToScalar(y));
x += fBitmap.width() + MARGIN;
if (x + fBitmap.width() > WIDTH) {
x = 0;
y += fBitmap.height() + MARGIN;
}
// Test offsets on SrcMode (uses fixed-function blend)
SkAutoTUnref<SkImageFilter> foreground(SkNEW_ARGS(SkBitmapSource, (fBitmap)));
SkAutoTUnref<SkImageFilter> offsetForeground(SkNEW_ARGS(SkOffsetImageFilter,
(SkIntToScalar(4), SkIntToScalar(-4), foreground)));
SkAutoTUnref<SkImageFilter> offsetBackground(SkNEW_ARGS(SkOffsetImageFilter,
(SkIntToScalar(4), SkIntToScalar(4), background)));
mode.reset(SkXfermode::Create(SkXfermode::kSrcOver_Mode));
filter.reset(SkNEW_ARGS(SkXfermodeImageFilter,
(mode, offsetBackground, offsetForeground)));
paint.setImageFilter(filter);
canvas->save();
canvas->clipRect(SkRect::MakeXYWH(SkIntToScalar(x),
SkIntToScalar(y),
SkIntToScalar(fBitmap.width() + 4),
SkIntToScalar(fBitmap.height() + 4)));
canvas->drawPaint(paint);
canvas->restore();
x += fBitmap.width() + MARGIN;
if (x + fBitmap.width() > WIDTH) {
x = 0;
y += fBitmap.height() + MARGIN;
}
// Test offsets on Darken (uses shader blend)
mode.reset(SkXfermode::Create(SkXfermode::kDarken_Mode));
filter.reset(SkNEW_ARGS(SkXfermodeImageFilter, (mode, offsetBackground, offsetForeground)));
paint.setImageFilter(filter);
canvas->save();
canvas->clipRect(SkRect::MakeXYWH(SkIntToScalar(x),
SkIntToScalar(y),
SkIntToScalar(fBitmap.width() + 4),
SkIntToScalar(fBitmap.height() + 4)));
canvas->drawPaint(paint);
canvas->restore();
}