Example #1
0
 void make_3Dluts() {
     make_3Dlut(&f3DLut4, 4, true, false, false);
     make_3Dlut(&f3DLut8, 8, false, true, false);
     make_3Dlut(&f3DLut16, 16, false, true, true);
     make_3Dlut(&f3DLut32, 32, true, true, false);
     make_3Dlut(&f3DLut64, 64, true, false, true);
 }
Example #2
0
static SkPaint make_paint() {
    SkPaint paint;
    if (fuzz->exhausted()) {
        return paint;
    }
    paint.setHinting(make_paint_hinting());
    paint.setAntiAlias(make_bool());
    paint.setDither(make_bool());
    paint.setLinearText(make_bool());
    paint.setSubpixelText(make_bool());
    paint.setLCDRenderText(make_bool());
    paint.setEmbeddedBitmapText(make_bool());
    paint.setAutohinted(make_bool());
    paint.setVerticalText(make_bool());
    paint.setFakeBoldText(make_bool());
    paint.setDevKernText(make_bool());
    paint.setFilterQuality(make_filter_quality());
    paint.setStyle(make_paint_style());
    paint.setColor(make_color());
    paint.setStrokeWidth(make_number(false));
    paint.setStrokeMiter(make_number(false));
    paint.setStrokeCap(make_paint_cap());
    paint.setStrokeJoin(make_paint_join());
    paint.setColorFilter(make_color_filter());
    paint.setBlendMode(make_blendmode());
    paint.setPathEffect(make_path_effect());
    paint.setMaskFilter(make_mask_filter());

    if (false) {
        // our validating buffer does not support typefaces yet, so skip this for now
        paint.setTypeface(SkTypeface::MakeFromName(make_font_name().c_str(),make_typeface_style()));
    }

    SkLayerRasterizer::Builder rasterizerBuilder;
    SkPaint paintForRasterizer;
    if (make_bool()) {
        paintForRasterizer = make_paint();
    }
    rasterizerBuilder.addLayer(paintForRasterizer);
    paint.setRasterizer(rasterizerBuilder.detach());
    paint.setImageFilter(make_image_filter());
    bool a, b, c;
    fuzz->next(&a, &b, &c);
    sk_sp<SkData> data(make_3Dlut(nullptr, a, b, c));
    paint.setTextAlign(make_paint_align());
    SkScalar d, e, f;
    fuzz->next(&d, &e, &f);
    paint.setTextSize(d);
    paint.setTextScaleX(e);
    paint.setTextSkewX(f);
    paint.setTextEncoding(make_paint_text_encoding());
    return paint;
}
Example #3
0
static SkPaint make_paint() {
    SkPaint paint;
    paint.setHinting(make_paint_hinting());
    paint.setAntiAlias(make_bool());
    paint.setDither(make_bool());
    paint.setLinearText(make_bool());
    paint.setSubpixelText(make_bool());
    paint.setLCDRenderText(make_bool());
    paint.setEmbeddedBitmapText(make_bool());
    paint.setAutohinted(make_bool());
    paint.setVerticalText(make_bool());
    paint.setUnderlineText(make_bool());
    paint.setStrikeThruText(make_bool());
    paint.setFakeBoldText(make_bool());
    paint.setDevKernText(make_bool());
    paint.setFilterQuality(make_filter_quality());
    paint.setStyle(make_paint_style());
    paint.setColor(make_color());
    paint.setStrokeWidth(make_scalar());
    paint.setStrokeMiter(make_scalar());
    paint.setStrokeCap(make_paint_cap());
    paint.setStrokeJoin(make_paint_join());
    paint.setColorFilter(make_color_filter());
    paint.setXfermodeMode(make_xfermode());
    paint.setPathEffect(make_path_effect());
    paint.setMaskFilter(make_mask_filter());

    if (false) {
        // our validating buffer does not support typefaces yet, so skip this for now
        SkAutoTUnref<SkTypeface> typeface(
                      SkTypeface::CreateFromName(make_font_name().c_str(), make_typeface_style()));
        paint.setTypeface(typeface);
    }

    SkLayerRasterizer::Builder rasterizerBuilder;
    SkPaint paintForRasterizer;
    if (R(2) == 1) {
        paintForRasterizer = make_paint();
    }
    rasterizerBuilder.addLayer(paintForRasterizer);
    paint.setRasterizer(rasterizerBuilder.detach());
    paint.setImageFilter(make_image_filter());
    sk_sp<SkData> data(make_3Dlut(nullptr, make_bool(), make_bool(), make_bool()));
    paint.setTextAlign(make_paint_align());
    paint.setTextSize(make_scalar());
    paint.setTextScaleX(make_scalar());
    paint.setTextSkewX(make_scalar());
    paint.setTextEncoding(make_paint_text_encoding());
    return paint;
}
static SkPaint make_paint() {
    SkPaint paint;
    paint.setHinting(make_paint_hinting());
    paint.setAntiAlias(make_bool());
    paint.setDither(make_bool());
    paint.setLinearText(make_bool());
    paint.setSubpixelText(make_bool());
    paint.setLCDRenderText(make_bool());
    paint.setEmbeddedBitmapText(make_bool());
    paint.setAutohinted(make_bool());
    paint.setVerticalText(make_bool());
    paint.setFakeBoldText(make_bool());
    paint.setDevKernText(make_bool());
    paint.setFilterQuality(make_filter_quality());
    paint.setStyle(make_paint_style());
    paint.setColor(make_color());
    paint.setStrokeWidth(make_scalar());
    paint.setStrokeMiter(make_scalar());
    paint.setStrokeCap(make_paint_cap());
    paint.setStrokeJoin(make_paint_join());
    paint.setColorFilter(make_color_filter());
    paint.setBlendMode(make_xfermode());
    paint.setPathEffect(make_path_effect());
    paint.setMaskFilter(make_mask_filter());

    if (false) {
        // our validating buffer does not support typefaces yet, so skip this for now
        paint.setTypeface(SkTypeface::MakeFromName(make_font_name().c_str(),
                                                   make_typeface_style()));
    }

    paint.setImageFilter(make_image_filter());
    sk_sp<SkData> data(make_3Dlut(nullptr, make_bool(), make_bool(), make_bool()));
    paint.setTextAlign(make_paint_align());
    paint.setTextSize(make_scalar());
    paint.setTextScaleX(make_scalar());
    paint.setTextSkewX(make_scalar());
    paint.setTextEncoding(make_paint_text_encoding());
    return paint;
}
static SkImageFilter* make_image_filter(bool canBeNull) {
    SkImageFilter* filter = 0;

    // Add a 1 in 3 chance to get a nullptr input
    if (canBeNull && (R(3) == 1)) { return filter; }

    enum { ALPHA_THRESHOLD, MERGE, COLOR, LUT3D, BLUR, MAGNIFIER,
           DOWN_SAMPLE, XFERMODE, OFFSET, MATRIX, MATRIX_CONVOLUTION, COMPOSE,
           DISTANT_LIGHT, POINT_LIGHT, SPOT_LIGHT, NOISE, DROP_SHADOW,
           MORPHOLOGY, BITMAP, DISPLACE, TILE, PICTURE, PAINT, NUM_FILTERS };

    switch (R(NUM_FILTERS)) {
    case ALPHA_THRESHOLD:
        filter = SkAlphaThresholdFilter::Create(make_region(), make_scalar(), make_scalar());
        break;
    case MERGE:
        filter = SkMergeImageFilter::Create(make_image_filter(), make_image_filter(), make_xfermode());
        break;
    case COLOR:
    {
        SkAutoTUnref<SkColorFilter> cf(make_color_filter());
        filter = cf.get() ? SkColorFilterImageFilter::Create(cf, make_image_filter()) : 0;
    }
        break;
    case LUT3D:
    {
        int cubeDimension;
        SkAutoDataUnref lut3D(make_3Dlut(&cubeDimension, (R(2) == 1), (R(2) == 1), (R(2) == 1)));
        SkAutoTUnref<SkColorFilter> cf(SkColorCubeFilter::Create(lut3D, cubeDimension));
        filter = cf.get() ? SkColorFilterImageFilter::Create(cf, make_image_filter()) : 0;
    }
        break;
    case BLUR:
        filter = SkBlurImageFilter::Create(make_scalar(true), make_scalar(true), make_image_filter());
        break;
    case MAGNIFIER:
        filter = SkMagnifierImageFilter::Create(make_rect(), make_scalar(true));
        break;
    case DOWN_SAMPLE:
        filter = SkDownSampleImageFilter::Create(make_scalar());
        break;
    case XFERMODE:
    {
        SkAutoTUnref<SkXfermode> mode(SkXfermode::Create(make_xfermode()));
        filter = SkXfermodeImageFilter::Create(mode, make_image_filter(), make_image_filter());
    }
        break;
    case OFFSET:
        filter = SkOffsetImageFilter::Create(make_scalar(), make_scalar(), make_image_filter());
        break;
    case MATRIX:
        filter = SkImageFilter::CreateMatrixFilter(make_matrix(),
                                                   (SkFilterQuality)R(4),
                                                   make_image_filter());
        break;
    case MATRIX_CONVOLUTION:
    {
        SkImageFilter::CropRect cropR(SkRect::MakeWH(SkIntToScalar(kBitmapSize),
                                                     SkIntToScalar(kBitmapSize)));
        SkISize size = SkISize::Make(R(10)+1, R(10)+1);
        int arraySize = size.width() * size.height();
        SkTArray<SkScalar> kernel(arraySize);
        for (int i = 0; i < arraySize; ++i) {
            kernel.push_back() = make_scalar();
        }
        SkIPoint kernelOffset = SkIPoint::Make(R(SkIntToScalar(size.width())),
                                               R(SkIntToScalar(size.height())));
        filter = SkMatrixConvolutionImageFilter::Create(size,
                                                        kernel.begin(),
                                                        make_scalar(),
                                                        make_scalar(),
                                                        kernelOffset,
                                                        (SkMatrixConvolutionImageFilter::TileMode)R(3),
                                                        R(2) == 1,
                                                        make_image_filter(),
                                                        &cropR);
    }
        break;
    case COMPOSE:
        filter = SkComposeImageFilter::Create(make_image_filter(), make_image_filter());
        break;
    case DISTANT_LIGHT:
        filter = (R(2) == 1) ?
                 SkLightingImageFilter::CreateDistantLitDiffuse(make_point(),
                 make_color(), make_scalar(), make_scalar(), make_image_filter()) :
                 SkLightingImageFilter::CreateDistantLitSpecular(make_point(),
                 make_color(), make_scalar(), make_scalar(), SkIntToScalar(R(10)),
                 make_image_filter());
        break;
    case POINT_LIGHT:
        filter = (R(2) == 1) ?
                 SkLightingImageFilter::CreatePointLitDiffuse(make_point(),
                 make_color(), make_scalar(), make_scalar(), make_image_filter()) :
                 SkLightingImageFilter::CreatePointLitSpecular(make_point(),
                 make_color(), make_scalar(), make_scalar(), SkIntToScalar(R(10)),
                 make_image_filter());
        break;
    case SPOT_LIGHT:
        filter = (R(2) == 1) ?
                 SkLightingImageFilter::CreateSpotLitDiffuse(SkPoint3::Make(0, 0, 0),
                 make_point(), make_scalar(), make_scalar(), make_color(),
                 make_scalar(), make_scalar(), make_image_filter()) :
                 SkLightingImageFilter::CreateSpotLitSpecular(SkPoint3::Make(0, 0, 0),
                 make_point(), make_scalar(), make_scalar(), make_color(),
                 make_scalar(), make_scalar(), SkIntToScalar(R(10)), make_image_filter());
        break;
    case NOISE:
    {
        SkAutoTUnref<SkShader> shader((R(2) == 1) ?
            SkPerlinNoiseShader::CreateFractalNoise(
                make_scalar(true), make_scalar(true), R(10.0f), make_scalar()) :
            SkPerlinNoiseShader::CreateTurbulence(
                make_scalar(true), make_scalar(true), R(10.0f), make_scalar()));
        SkPaint paint;
        paint.setShader(shader);
        SkImageFilter::CropRect cropR(SkRect::MakeWH(SkIntToScalar(kBitmapSize),
                                                     SkIntToScalar(kBitmapSize)));
        filter = SkPaintImageFilter::Create(paint, &cropR);
    }
        break;
    case DROP_SHADOW:
        filter = SkDropShadowImageFilter::Create(make_scalar(), make_scalar(), make_scalar(true),
                    make_scalar(true), make_color(), make_shadow_mode(), make_image_filter(),
                    nullptr);
        break;
    case MORPHOLOGY:
        if (R(2) == 1) {
            filter = SkDilateImageFilter::Create(R(static_cast<float>(kBitmapSize)),
                R(static_cast<float>(kBitmapSize)), make_image_filter());
        } else {
            filter = SkErodeImageFilter::Create(R(static_cast<float>(kBitmapSize)),
                R(static_cast<float>(kBitmapSize)), make_image_filter());
        }
        break;
    case BITMAP:
    {
        SkAutoTUnref<SkImage> image(SkImage::NewFromBitmap(make_bitmap()));
        if (R(2) == 1) {
            filter = SkImageSource::Create(image, make_rect(), make_rect(), kHigh_SkFilterQuality);
        } else {
            filter = SkImageSource::Create(image);
        }
    }
        break;
    case DISPLACE:
        filter = SkDisplacementMapEffect::Create(make_channel_selector_type(),
                                                 make_channel_selector_type(), make_scalar(),
                                                 make_image_filter(false), make_image_filter());
        break;
    case TILE:
        filter = SkTileImageFilter::Create(make_rect(), make_rect(), make_image_filter(false));
        break;
    case PICTURE:
    {
        SkRTreeFactory factory;
        SkPictureRecorder recorder;
        SkCanvas* recordingCanvas = recorder.beginRecording(SkIntToScalar(kBitmapSize), 
                                                            SkIntToScalar(kBitmapSize), 
                                                            &factory, 0);
        drawSomething(recordingCanvas);
        SkAutoTUnref<SkPicture> pict(recorder.endRecording());
        filter = SkPictureImageFilter::Create(pict.get(), make_rect());
    }
        break;
    case PAINT:
    {
        SkImageFilter::CropRect cropR(make_rect());
        filter = SkPaintImageFilter::Create(make_paint(), &cropR);
    }
    default:
        break;
    }
    return (filter || canBeNull) ? filter : make_image_filter(canBeNull);
}