--- /dev/null
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#include "Fuzz.h"
+#include "Sk1DPathEffect.h"
+#include "Sk2DPathEffect.h"
+#include "SkAlphaThresholdFilter.h"
+#include "SkArcToPathEffect.h"
+#include "SkBlurImageFilter.h"
+#include "SkBlurMaskFilter.h"
+#include "SkCanvas.h"
+#include "SkColorCubeFilter.h"
+#include "SkColorFilter.h"
+#include "SkColorFilterImageFilter.h"
+#include "SkColorMatrixFilter.h"
+#include "SkComposeImageFilter.h"
+#include "SkCornerPathEffect.h"
+#include "SkDashPathEffect.h"
+#include "SkData.h"
+#include "SkDiscretePathEffect.h"
+#include "SkDisplacementMapEffect.h"
+#include "SkDropShadowImageFilter.h"
+#include "SkEmbossMaskFilter.h"
+#include "SkFlattenableSerialization.h"
+#include "SkImageSource.h"
+#include "SkLayerRasterizer.h"
+#include "SkLightingImageFilter.h"
+#include "SkLumaColorFilter.h"
+#include "SkMagnifierImageFilter.h"
+#include "SkMatrixConvolutionImageFilter.h"
+#include "SkMergeImageFilter.h"
+#include "SkMorphologyImageFilter.h"
+#include "SkOffsetImageFilter.h"
+#include "SkPaintImageFilter.h"
+#include "SkPerlinNoiseShader.h"
+#include "SkPictureImageFilter.h"
+#include "SkPictureRecorder.h"
+#include "SkPoint3.h"
+#include "SkRandom.h"
+#include "SkTableColorFilter.h"
+#include "SkTestImageFilters.h"
+#include "SkTileImageFilter.h"
+#include "SkTypeface.h"
+#include "SkXfermodeImageFilter.h"
+#include <stdio.h>
+#include <time.h>
+
+#define SK_ADD_RANDOM_BIT_FLIPS
+
+static Fuzz* fuzz;
+static const int kBitmapSize = 24;
+
+static bool return_large = false;
+static bool return_undef = false;
+
+static int R(float x) {
+ return (int)floor(SkScalarToFloat(fuzz->nextF1()) * x);
+}
+
+#if defined _WIN32
+#pragma warning ( push )
+// we are intentionally causing an overflow here
+// (warning C4756: overflow in constant arithmetic)
+#pragma warning ( disable : 4756 )
+#endif
+
+static float huge() {
+ double d = 1e100;
+ float f = (float)d;
+ return f;
+}
+
+#if defined _WIN32
+#pragma warning ( pop )
+#endif
+
+static float make_number(bool positiveOnly) {
+ float f = positiveOnly ? 1.0f : 0.0f;
+ float v = f;
+ int sel;
+
+ if (return_large) sel = R(6); else sel = R(4);
+ if (!return_undef && sel == 0) sel = 1;
+
+ if (R(2) == 1) v = (float)(R(100)+f); else
+
+ switch (sel) {
+ case 0: break;
+ case 1: v = f; break;
+ case 2: v = 0.000001f; break;
+ case 3: v = 10000.0f; break;
+ case 4: v = 2000000000.0f; break;
+ case 5: v = huge(); break;
+ }
+
+ if (!positiveOnly && (R(4) == 1)) v = -v;
+ return v;
+}
+
+static SkScalar make_scalar(bool positiveOnly = false) {
+ return make_number(positiveOnly);
+}
+
+static SkString make_string() {
+ int length = R(1000);
+ SkString str(length);
+ for (int i = 0; i < length; ++i) {
+ str[i] = static_cast<char>(R(256));
+ }
+ return str;
+}
+
+static SkString make_font_name() {
+ int sel = R(8);
+
+ switch(sel) {
+ case 0: return SkString("Courier New");
+ case 1: return SkString("Helvetica");
+ case 2: return SkString("monospace");
+ case 3: return SkString("sans-serif");
+ case 4: return SkString("serif");
+ case 5: return SkString("Times");
+ case 6: return SkString("Times New Roman");
+ case 7:
+ default:
+ return make_string();
+ }
+}
+
+static bool make_bool() {
+ return R(2) == 1;
+}
+
+static SkRect make_rect() {
+ return SkRect::MakeWH(SkIntToScalar(R(static_cast<float>(kBitmapSize))),
+ SkIntToScalar(R(static_cast<float>(kBitmapSize))));
+}
+
+static SkRegion make_region() {
+ SkIRect iRegion = SkIRect::MakeXYWH(R(static_cast<float>(kBitmapSize)),
+ R(static_cast<float>(kBitmapSize)),
+ R(static_cast<float>(kBitmapSize)),
+ R(static_cast<float>(kBitmapSize)));
+ return SkRegion(iRegion);
+}
+
+static SkMatrix make_matrix() {
+ SkMatrix m;
+ for (int i = 0; i < 9; ++i) {
+ m[i] = make_scalar();
+ }
+ return m;
+}
+
+static SkXfermode::Mode make_xfermode() {
+ return static_cast<SkXfermode::Mode>(R(SkXfermode::kLastMode+1));
+}
+
+static SkPaint::Align make_paint_align() {
+ return static_cast<SkPaint::Align>(R(SkPaint::kRight_Align+1));
+}
+
+static SkPaint::Hinting make_paint_hinting() {
+ return static_cast<SkPaint::Hinting>(R(SkPaint::kFull_Hinting+1));
+}
+
+static SkPaint::Style make_paint_style() {
+ return static_cast<SkPaint::Style>(R(SkPaint::kStrokeAndFill_Style+1));
+}
+
+static SkPaint::Cap make_paint_cap() {
+ return static_cast<SkPaint::Cap>(R(SkPaint::kDefault_Cap+1));
+}
+
+static SkPaint::Join make_paint_join() {
+ return static_cast<SkPaint::Join>(R(SkPaint::kDefault_Join+1));
+}
+
+static SkPaint::TextEncoding make_paint_text_encoding() {
+ return static_cast<SkPaint::TextEncoding>(R(SkPaint::kGlyphID_TextEncoding+1));
+}
+
+static SkBlurStyle make_blur_style() {
+ return static_cast<SkBlurStyle>(R(kLastEnum_SkBlurStyle+1));
+}
+
+static SkBlurMaskFilter::BlurFlags make_blur_mask_filter_flag() {
+ return static_cast<SkBlurMaskFilter::BlurFlags>(R(SkBlurMaskFilter::kAll_BlurFlag+1));
+}
+
+static SkFilterQuality make_filter_quality() {
+ return static_cast<SkFilterQuality>(R(kHigh_SkFilterQuality+1));
+}
+
+static SkTypeface::Style make_typeface_style() {
+ return static_cast<SkTypeface::Style>(R(SkTypeface::kBoldItalic+1));
+}
+
+static SkPath1DPathEffect::Style make_path_1d_path_effect_style() {
+ return static_cast<SkPath1DPathEffect::Style>(R((int)SkPath1DPathEffect::kLastEnum_Style + 1));
+}
+
+static SkColor make_color() {
+ return (R(2) == 1) ? 0xFFC0F0A0 : 0xFF000090;
+}
+
+static SkDropShadowImageFilter::ShadowMode make_shadow_mode() {
+ return (R(2) == 1) ? SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode :
+ SkDropShadowImageFilter::kDrawShadowOnly_ShadowMode;
+}
+
+static SkPoint3 make_point() {
+ return SkPoint3::Make(make_scalar(), make_scalar(), make_scalar(true));
+}
+
+static SkDisplacementMapEffect::ChannelSelectorType make_channel_selector_type() {
+ return static_cast<SkDisplacementMapEffect::ChannelSelectorType>(R(4)+1);
+}
+
+static bool valid_for_raster_canvas(const SkImageInfo& info) {
+ switch (info.colorType()) {
+ case kAlpha_8_SkColorType:
+ case kRGB_565_SkColorType:
+ return true;
+ case kN32_SkColorType:
+ return kPremul_SkAlphaType == info.alphaType() ||
+ kOpaque_SkAlphaType == info.alphaType();
+ default:
+ break;
+ }
+ return false;
+}
+
+static SkColorType rand_colortype() {
+ return (SkColorType)R(kLastEnum_SkColorType + 1);
+}
+
+static void rand_bitmap_for_canvas(SkBitmap* bitmap) {
+ SkImageInfo info;
+ do {
+ info = SkImageInfo::Make(kBitmapSize, kBitmapSize, rand_colortype(),
+ kPremul_SkAlphaType);
+ } while (!valid_for_raster_canvas(info) || !bitmap->tryAllocPixels(info));
+}
+
+static void make_g_bitmap(SkBitmap& bitmap) {
+ rand_bitmap_for_canvas(&bitmap);
+
+ SkCanvas canvas(bitmap);
+ canvas.clear(0x00000000);
+ SkPaint paint;
+ paint.setAntiAlias(true);
+ paint.setColor(0xFF884422);
+ paint.setTextSize(SkIntToScalar(kBitmapSize/2));
+ const char* str = "g";
+ canvas.drawText(str, strlen(str), SkIntToScalar(kBitmapSize/8),
+ SkIntToScalar(kBitmapSize/4), paint);
+}
+
+static void make_checkerboard_bitmap(SkBitmap& bitmap) {
+ rand_bitmap_for_canvas(&bitmap);
+
+ SkCanvas canvas(bitmap);
+ canvas.clear(0x00000000);
+ SkPaint darkPaint;
+ darkPaint.setColor(0xFF804020);
+ SkPaint lightPaint;
+ lightPaint.setColor(0xFF244484);
+ const int i = kBitmapSize / 8;
+ const SkScalar f = SkIntToScalar(i);
+ for (int y = 0; y < kBitmapSize; y += i) {
+ for (int x = 0; x < kBitmapSize; x += i) {
+ canvas.save();
+ canvas.translate(SkIntToScalar(x), SkIntToScalar(y));
+ canvas.drawRect(SkRect::MakeXYWH(0, 0, f, f), darkPaint);
+ canvas.drawRect(SkRect::MakeXYWH(f, 0, f, f), lightPaint);
+ canvas.drawRect(SkRect::MakeXYWH(0, f, f, f), lightPaint);
+ canvas.drawRect(SkRect::MakeXYWH(f, f, f, f), darkPaint);
+ canvas.restore();
+ }
+ }
+}
+
+static const SkBitmap& make_bitmap() {
+ static SkBitmap bitmap[2];
+ static bool initialized = false;
+ if (!initialized) {
+ make_g_bitmap(bitmap[0]);
+ make_checkerboard_bitmap(bitmap[1]);
+ initialized = true;
+ }
+ return bitmap[R(2)];
+}
+
+static sk_sp<SkData> make_3Dlut(int* cubeDimension, bool invR, bool invG, bool invB) {
+ int size = 4 << R(5);
+ auto data = SkData::MakeUninitialized(sizeof(SkColor) * size * size * size);
+ SkColor* pixels = (SkColor*)(data->writable_data());
+ SkAutoTMalloc<uint8_t> lutMemory(size);
+ SkAutoTMalloc<uint8_t> invLutMemory(size);
+ uint8_t* lut = lutMemory.get();
+ uint8_t* invLut = invLutMemory.get();
+ const int maxIndex = size - 1;
+ for (int i = 0; i < size; i++) {
+ lut[i] = (i * 255) / maxIndex;
+ invLut[i] = ((maxIndex - i) * 255) / maxIndex;
+ }
+ for (int r = 0; r < size; ++r) {
+ for (int g = 0; g < size; ++g) {
+ for (int b = 0; b < size; ++b) {
+ pixels[(size * ((size * b) + g)) + r] = SkColorSetARGB(0xFF,
+ invR ? invLut[r] : lut[r],
+ invG ? invLut[g] : lut[g],
+ invB ? invLut[b] : lut[b]);
+ }
+ }
+ }
+ if (cubeDimension) {
+ *cubeDimension = size;
+ }
+ return data;
+}
+
+static void drawSomething(SkCanvas* canvas) {
+ SkPaint paint;
+
+ canvas->save();
+ canvas->scale(0.5f, 0.5f);
+ canvas->drawBitmap(make_bitmap(), 0, 0, nullptr);
+ canvas->restore();
+
+ paint.setAntiAlias(true);
+
+ paint.setColor(SK_ColorRED);
+ canvas->drawCircle(SkIntToScalar(kBitmapSize/2), SkIntToScalar(kBitmapSize/2), SkIntToScalar(kBitmapSize/3), paint);
+ paint.setColor(SK_ColorBLACK);
+ paint.setTextSize(SkIntToScalar(kBitmapSize/3));
+ canvas->drawText("Picture", 7, SkIntToScalar(kBitmapSize/2), SkIntToScalar(kBitmapSize/4), paint);
+}
+
+static void rand_color_table(uint8_t* table) {
+ for (int i = 0; i < 256; ++i) {
+ table[i] = R(256);
+ }
+}
+
+static sk_sp<SkColorFilter> make_color_filter() {
+ switch (R(6)) {
+ case 0: {
+ SkScalar array[20];
+ for (int i = 0; i < 20; ++i) {
+ array[i] = make_scalar();
+ }
+ return SkColorFilter::MakeMatrixFilterRowMajor255(array);
+ }
+ case 1:
+ return SkLumaColorFilter::Make();
+ case 2: {
+ uint8_t tableA[256];
+ uint8_t tableR[256];
+ uint8_t tableG[256];
+ uint8_t tableB[256];
+ rand_color_table(tableA);
+ rand_color_table(tableR);
+ rand_color_table(tableG);
+ rand_color_table(tableB);
+ return SkTableColorFilter::MakeARGB(tableA, tableR, tableG, tableB);
+ }
+ case 3:
+ return SkColorFilter::MakeModeFilter(make_color(), make_xfermode());
+ case 4:
+ return SkColorMatrixFilter::MakeLightingFilter(make_color(), make_color());
+ case 5:
+ default:
+ break;
+ }
+ return nullptr;
+}
+
+static SkPath make_path() {
+ SkPath path;
+ int numOps = R(30);
+ for (int i = 0; i < numOps; ++i) {
+ switch (R(6)) {
+ case 0:
+ path.moveTo(make_scalar(), make_scalar());
+ break;
+ case 1:
+ path.lineTo(make_scalar(), make_scalar());
+ break;
+ case 2:
+ path.quadTo(make_scalar(), make_scalar(), make_scalar(), make_scalar());
+ break;
+ case 3:
+ path.conicTo(make_scalar(), make_scalar(), make_scalar(), make_scalar(), make_scalar());
+ break;
+ case 4:
+ path.cubicTo(make_scalar(), make_scalar(), make_scalar(),
+ make_scalar(), make_scalar(), make_scalar());
+ break;
+ case 5:
+ default:
+ path.arcTo(make_scalar(), make_scalar(), make_scalar(), make_scalar(), make_scalar());
+ break;
+
+ }
+ }
+ path.close();
+ return path;
+}
+
+static sk_sp<SkPathEffect> make_path_effect(bool canBeNull = true) {
+ sk_sp<SkPathEffect> pathEffect;
+ if (canBeNull && (R(3) == 1)) { return pathEffect; }
+
+ switch (R(9)) {
+ case 0:
+ pathEffect = SkArcToPathEffect::Make(make_scalar(true));
+ break;
+ case 1:
+ pathEffect = SkComposePathEffect::Make(make_path_effect(false),
+ make_path_effect(false));
+ break;
+ case 2:
+ pathEffect = SkCornerPathEffect::Make(make_scalar());
+ break;
+ case 3: {
+ int count = R(10);
+ SkScalar intervals[10];
+ for (int i = 0; i < count; ++i) {
+ intervals[i] = make_scalar();
+ }
+ pathEffect = SkDashPathEffect::Make(intervals, count, make_scalar());
+ break;
+ }
+ case 4:
+ pathEffect = SkDiscretePathEffect::Make(make_scalar(), make_scalar());
+ break;
+ case 5:
+ pathEffect = SkPath1DPathEffect::Make(make_path(), make_scalar(), make_scalar(),
+ make_path_1d_path_effect_style());
+ break;
+ case 6:
+ pathEffect = SkLine2DPathEffect::Make(make_scalar(), make_matrix());
+ break;
+ case 7:
+ pathEffect = SkPath2DPathEffect::Make(make_matrix(), make_path());
+ break;
+ case 8:
+ default:
+ pathEffect = SkSumPathEffect::Make(make_path_effect(false),
+ make_path_effect(false));
+ break;
+ }
+ return pathEffect;
+}
+
+static sk_sp<SkMaskFilter> make_mask_filter() {
+ sk_sp<SkMaskFilter> maskFilter;
+ switch (R(3)) {
+ case 0:
+ maskFilter = SkBlurMaskFilter::Make(make_blur_style(), make_scalar(),
+ make_blur_mask_filter_flag());
+ case 1: {
+ SkEmbossMaskFilter::Light light;
+ for (int i = 0; i < 3; ++i) {
+ light.fDirection[i] = make_scalar();
+ }
+ light.fPad = R(65536);
+ light.fAmbient = R(256);
+ light.fSpecular = R(256);
+ maskFilter = SkEmbossMaskFilter::Make(make_scalar(), light);
+ }
+ case 2:
+ default:
+ break;
+ }
+ return maskFilter;
+}
+
+static sk_sp<SkImageFilter> make_image_filter(bool canBeNull = true);
+
+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 sk_sp<SkImageFilter> make_image_filter(bool canBeNull) {
+ sk_sp<SkImageFilter> filter;
+
+ // 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::Make(make_region(),
+ make_scalar(),
+ make_scalar(),
+ nullptr);
+ break;
+ case MERGE:
+ filter = SkMergeImageFilter::Make(make_image_filter(),
+ make_image_filter(),
+ make_xfermode());
+ break;
+ case COLOR: {
+ sk_sp<SkColorFilter> cf(make_color_filter());
+ filter = cf ? SkColorFilterImageFilter::Make(std::move(cf), make_image_filter())
+ : nullptr;
+ break;
+ }
+ case LUT3D: {
+ int cubeDimension;
+ sk_sp<SkData> lut3D(make_3Dlut(&cubeDimension, (R(2) == 1), (R(2) == 1), (R(2) == 1)));
+ sk_sp<SkColorFilter> cf(SkColorCubeFilter::Make(std::move(lut3D), cubeDimension));
+ filter = cf ? SkColorFilterImageFilter::Make(std::move(cf), make_image_filter())
+ : nullptr;
+ break;
+ }
+ case BLUR:
+ filter = SkBlurImageFilter::Make(make_scalar(true),
+ make_scalar(true),
+ make_image_filter());
+ break;
+ case MAGNIFIER:
+ filter = sk_sp<SkImageFilter>(SkMagnifierImageFilter::Create(make_rect(),
+ make_scalar(true)));
+ break;
+ case DOWN_SAMPLE:
+ filter = sk_sp<SkImageFilter>(SkDownSampleImageFilter::Create(make_scalar()));
+ break;
+ case XFERMODE:
+ filter = SkXfermodeImageFilter::Make(SkXfermode::Make(make_xfermode()),
+ make_image_filter(),
+ make_image_filter(),
+ nullptr);
+ break;
+ case OFFSET:
+ filter = SkOffsetImageFilter::Make(make_scalar(), make_scalar(), make_image_filter());
+ break;
+ case MATRIX: {
+ sk_sp<SkImageFilter> subFilter(make_image_filter());
+ filter = sk_sp<SkImageFilter>(SkImageFilter::CreateMatrixFilter(make_matrix(),
+ (SkFilterQuality)R(4),
+ subFilter.get()));
+ 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())));
+ sk_sp<SkImageFilter> subFilter(make_image_filter());
+
+ filter = sk_sp<SkImageFilter>(SkMatrixConvolutionImageFilter::Create(
+ size,
+ kernel.begin(),
+ make_scalar(),
+ make_scalar(),
+ kernelOffset,
+ (SkMatrixConvolutionImageFilter::TileMode)R(3),
+ R(2) == 1,
+ subFilter.get(),
+ &cropR));
+ break;
+ }
+ case COMPOSE:
+ filter = SkComposeImageFilter::Make(make_image_filter(), make_image_filter());
+ break;
+ case DISTANT_LIGHT: {
+ sk_sp<SkImageFilter> subFilter(make_image_filter());
+
+ filter = (R(2) == 1)
+ ? sk_sp<SkImageFilter>(SkLightingImageFilter::CreateDistantLitDiffuse(make_point(),
+ make_color(), make_scalar(), make_scalar(),
+ subFilter.get()))
+ : sk_sp<SkImageFilter>(SkLightingImageFilter::CreateDistantLitSpecular(make_point(),
+ make_color(), make_scalar(),
+ make_scalar(), SkIntToScalar(R(10)),
+ subFilter.get()));
+ break;
+ }
+ case POINT_LIGHT: {
+ sk_sp<SkImageFilter> subFilter(make_image_filter());
+
+ filter = (R(2) == 1)
+ ? sk_sp<SkImageFilter>(SkLightingImageFilter::CreatePointLitDiffuse(make_point(),
+ make_color(), make_scalar(), make_scalar(),
+ subFilter.get()))
+ : sk_sp<SkImageFilter>(SkLightingImageFilter::CreatePointLitSpecular(make_point(),
+ make_color(), make_scalar(), make_scalar(),
+ SkIntToScalar(R(10)),
+ subFilter.get()));
+ break;
+ }
+ case SPOT_LIGHT: {
+ sk_sp<SkImageFilter> subFilter(make_image_filter());
+
+ filter = (R(2) == 1)
+ ? sk_sp<SkImageFilter>(SkLightingImageFilter::CreateSpotLitDiffuse(SkPoint3::Make(0, 0, 0),
+ make_point(), make_scalar(), make_scalar(),
+ make_color(), make_scalar(), make_scalar(),
+ subFilter.get()))
+ : sk_sp<SkImageFilter>(SkLightingImageFilter::CreateSpotLitSpecular(SkPoint3::Make(0, 0, 0),
+ make_point(), make_scalar(), make_scalar(),
+ make_color(), make_scalar(), make_scalar(),
+ SkIntToScalar(R(10)), subFilter.get()));
+ break;
+ }
+ case NOISE: {
+ sk_sp<SkShader> shader((R(2) == 1) ?
+ SkPerlinNoiseShader::MakeFractalNoise(
+ make_scalar(true), make_scalar(true), R(10.0f), make_scalar()) :
+ SkPerlinNoiseShader::MakeTurbulence(
+ 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::Make(paint, &cropR);
+ break;
+ }
+ case DROP_SHADOW: {
+ sk_sp<SkImageFilter> subFilter(make_image_filter());
+
+ filter = sk_sp<SkImageFilter>(SkDropShadowImageFilter::Create(make_scalar(),
+ make_scalar(),
+ make_scalar(true),
+ make_scalar(true),
+ make_color(),
+ make_shadow_mode(),
+ subFilter.get(),
+ nullptr));
+ break;
+ }
+ case MORPHOLOGY:
+ if (R(2) == 1) {
+ filter = SkDilateImageFilter::Make(R(static_cast<float>(kBitmapSize)),
+ R(static_cast<float>(kBitmapSize)),
+ make_image_filter());
+ } else {
+ filter = SkErodeImageFilter::Make(R(static_cast<float>(kBitmapSize)),
+ R(static_cast<float>(kBitmapSize)),
+ make_image_filter());
+ }
+ break;
+ case BITMAP: {
+ sk_sp<SkImage> image(SkImage::MakeFromBitmap(make_bitmap()));
+ if (R(2) == 1) {
+ filter = SkImageSource::Make(std::move(image),
+ make_rect(),
+ make_rect(),
+ kHigh_SkFilterQuality);
+ } else {
+ filter = SkImageSource::Make(std::move(image));
+ }
+ break;
+ }
+ case DISPLACE: {
+ sk_sp<SkImageFilter> subFilter1(make_image_filter(false));
+ sk_sp<SkImageFilter> subFilter2(make_image_filter());
+
+ filter = sk_sp<SkImageFilter>(SkDisplacementMapEffect::Create(make_channel_selector_type(),
+ make_channel_selector_type(),
+ make_scalar(),
+ subFilter1.get(),
+ subFilter2.get()));
+ break;
+ }
+ case TILE: {
+ sk_sp<SkImageFilter> subFilter(make_image_filter(false));
+
+ filter = sk_sp<SkImageFilter>(SkTileImageFilter::Create(make_rect(),
+ make_rect(),
+ subFilter.get()));
+ break;
+ }
+ case PICTURE: {
+ SkRTreeFactory factory;
+ SkPictureRecorder recorder;
+ SkCanvas* recordingCanvas = recorder.beginRecording(SkIntToScalar(kBitmapSize),
+ SkIntToScalar(kBitmapSize),
+ &factory, 0);
+ drawSomething(recordingCanvas);
+ sk_sp<SkPicture> pict(recorder.finishRecordingAsPicture());
+ filter = SkPictureImageFilter::Make(pict, make_rect());
+ break;
+ }
+ case PAINT: {
+ SkImageFilter::CropRect cropR(make_rect());
+ filter = SkPaintImageFilter::Make(make_paint(), &cropR);
+ break;
+ }
+ default:
+ break;
+ }
+ return (filter || canBeNull) ? filter : make_image_filter(canBeNull);
+}
+
+static SkImageFilter* make_serialized_image_filter() {
+ sk_sp<SkImageFilter> filter(make_image_filter(false));
+ SkAutoTUnref<SkData> data(SkValidatingSerializeFlattenable(filter.get()));
+ const unsigned char* ptr = static_cast<const unsigned char*>(data->data());
+ size_t len = data->size();
+#ifdef SK_ADD_RANDOM_BIT_FLIPS
+ unsigned char* p = const_cast<unsigned char*>(ptr);
+ for (size_t i = 0; i < len; ++i, ++p) {
+ if (R(250) == 1) { // 0.4% of the time, flip a bit or byte
+ if (R(10) == 1) { // Then 10% of the time, change a whole byte
+ switch(R(3)) {
+ case 0:
+ *p ^= 0xFF; // Flip entire byte
+ break;
+ case 1:
+ *p = 0xFF; // Set all bits to 1
+ break;
+ case 2:
+ *p = 0x00; // Set all bits to 0
+ break;
+ }
+ } else {
+ *p ^= (1 << R(8));
+ }
+ }
+ }
+#endif // SK_ADD_RANDOM_BIT_FLIPS
+ SkFlattenable* flattenable = SkValidatingDeserializeFlattenable(ptr, len,
+ SkImageFilter::GetFlattenableType());
+ return static_cast<SkImageFilter*>(flattenable);
+}
+
+static void drawClippedBitmap(SkCanvas* canvas, int x, int y, const SkPaint& paint) {
+ canvas->save();
+ canvas->clipRect(SkRect::MakeXYWH(SkIntToScalar(x), SkIntToScalar(y),
+ SkIntToScalar(kBitmapSize), SkIntToScalar(kBitmapSize)));
+ canvas->drawBitmap(make_bitmap(), SkIntToScalar(x), SkIntToScalar(y), &paint);
+ canvas->restore();
+}
+
+DEF_FUZZ(SerializedImageFilter, f) {
+ fuzz = f;
+ SkImageFilter* filter = make_serialized_image_filter();
+
+ SkPaint paint;
+ SkSafeUnref(paint.setImageFilter(filter));
+ SkBitmap bitmap;
+ SkCanvas canvas(bitmap);
+ drawClippedBitmap(&canvas, 0, 0, paint);
+}
projects / platform / upstream / libSkiaSharp.git / commitdiff