36352bf5e3
NOPRESUBMIT=true BUG=skia: DOCS_PREVIEW= https://skia.org/?cl=1037793002 Review URL: https://codereview.chromium.org/1037793002
1182 lines
48 KiB
C++
1182 lines
48 KiB
C++
/*
|
|
* 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 "SkBitmap.h"
|
|
#include "SkBitmapDevice.h"
|
|
#include "SkBitmapSource.h"
|
|
#include "SkBlurImageFilter.h"
|
|
#include "SkCanvas.h"
|
|
#include "SkColorFilterImageFilter.h"
|
|
#include "SkColorMatrixFilter.h"
|
|
#include "SkComposeImageFilter.h"
|
|
#include "SkDeviceImageFilterProxy.h"
|
|
#include "SkDisplacementMapEffect.h"
|
|
#include "SkDropShadowImageFilter.h"
|
|
#include "SkFlattenableSerialization.h"
|
|
#include "SkGradientShader.h"
|
|
#include "SkLightingImageFilter.h"
|
|
#include "SkMatrixConvolutionImageFilter.h"
|
|
#include "SkMergeImageFilter.h"
|
|
#include "SkMorphologyImageFilter.h"
|
|
#include "SkOffsetImageFilter.h"
|
|
#include "SkPerlinNoiseShader.h"
|
|
#include "SkPicture.h"
|
|
#include "SkPictureImageFilter.h"
|
|
#include "SkPictureRecorder.h"
|
|
#include "SkReadBuffer.h"
|
|
#include "SkRect.h"
|
|
#include "SkRectShaderImageFilter.h"
|
|
#include "SkTileImageFilter.h"
|
|
#include "SkXfermodeImageFilter.h"
|
|
#include "Test.h"
|
|
|
|
#if SK_SUPPORT_GPU
|
|
#include "GrContextFactory.h"
|
|
#include "SkGpuDevice.h"
|
|
#endif
|
|
|
|
static const int kBitmapSize = 4;
|
|
|
|
namespace {
|
|
|
|
class MatrixTestImageFilter : public SkImageFilter {
|
|
public:
|
|
MatrixTestImageFilter(skiatest::Reporter* reporter, const SkMatrix& expectedMatrix)
|
|
: SkImageFilter(0, NULL), fReporter(reporter), fExpectedMatrix(expectedMatrix) {
|
|
}
|
|
|
|
virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context& ctx,
|
|
SkBitmap* result, SkIPoint* offset) const override {
|
|
REPORTER_ASSERT(fReporter, ctx.ctm() == fExpectedMatrix);
|
|
return true;
|
|
}
|
|
|
|
SK_TO_STRING_OVERRIDE()
|
|
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(MatrixTestImageFilter)
|
|
|
|
protected:
|
|
void flatten(SkWriteBuffer& buffer) const override {
|
|
this->INHERITED::flatten(buffer);
|
|
buffer.writeFunctionPtr(fReporter);
|
|
buffer.writeMatrix(fExpectedMatrix);
|
|
}
|
|
|
|
private:
|
|
skiatest::Reporter* fReporter;
|
|
SkMatrix fExpectedMatrix;
|
|
|
|
typedef SkImageFilter INHERITED;
|
|
};
|
|
|
|
}
|
|
|
|
SkFlattenable* MatrixTestImageFilter::CreateProc(SkReadBuffer& buffer) {
|
|
SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1);
|
|
skiatest::Reporter* reporter = (skiatest::Reporter*)buffer.readFunctionPtr();
|
|
SkMatrix matrix;
|
|
buffer.readMatrix(&matrix);
|
|
return SkNEW_ARGS(MatrixTestImageFilter, (reporter, matrix));
|
|
}
|
|
|
|
#ifndef SK_IGNORE_TO_STRING
|
|
void MatrixTestImageFilter::toString(SkString* str) const {
|
|
str->appendf("MatrixTestImageFilter: (");
|
|
str->append(")");
|
|
}
|
|
#endif
|
|
|
|
static void make_small_bitmap(SkBitmap& bitmap) {
|
|
bitmap.allocN32Pixels(kBitmapSize, kBitmapSize);
|
|
SkCanvas canvas(bitmap);
|
|
canvas.clear(0x00000000);
|
|
SkPaint darkPaint;
|
|
darkPaint.setColor(0xFF804020);
|
|
SkPaint lightPaint;
|
|
lightPaint.setColor(0xFF244484);
|
|
const int i = kBitmapSize / 4;
|
|
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,
|
|
SkIntToScalar(i),
|
|
SkIntToScalar(i)), darkPaint);
|
|
canvas.drawRect(SkRect::MakeXYWH(SkIntToScalar(i),
|
|
0,
|
|
SkIntToScalar(i),
|
|
SkIntToScalar(i)), lightPaint);
|
|
canvas.drawRect(SkRect::MakeXYWH(0,
|
|
SkIntToScalar(i),
|
|
SkIntToScalar(i),
|
|
SkIntToScalar(i)), lightPaint);
|
|
canvas.drawRect(SkRect::MakeXYWH(SkIntToScalar(i),
|
|
SkIntToScalar(i),
|
|
SkIntToScalar(i),
|
|
SkIntToScalar(i)), darkPaint);
|
|
canvas.restore();
|
|
}
|
|
}
|
|
}
|
|
|
|
static SkImageFilter* make_scale(float amount, SkImageFilter* input = NULL) {
|
|
SkScalar s = amount;
|
|
SkScalar matrix[20] = { s, 0, 0, 0, 0,
|
|
0, s, 0, 0, 0,
|
|
0, 0, s, 0, 0,
|
|
0, 0, 0, s, 0 };
|
|
SkAutoTUnref<SkColorFilter> filter(SkColorMatrixFilter::Create(matrix));
|
|
return SkColorFilterImageFilter::Create(filter, input);
|
|
}
|
|
|
|
static SkImageFilter* make_grayscale(SkImageFilter* input, const SkImageFilter::CropRect* cropRect) {
|
|
SkScalar matrix[20];
|
|
memset(matrix, 0, 20 * sizeof(SkScalar));
|
|
matrix[0] = matrix[5] = matrix[10] = 0.2126f;
|
|
matrix[1] = matrix[6] = matrix[11] = 0.7152f;
|
|
matrix[2] = matrix[7] = matrix[12] = 0.0722f;
|
|
matrix[18] = 1.0f;
|
|
SkAutoTUnref<SkColorFilter> filter(SkColorMatrixFilter::Create(matrix));
|
|
return SkColorFilterImageFilter::Create(filter, input, cropRect);
|
|
}
|
|
|
|
static SkImageFilter* make_blue(SkImageFilter* input, const SkImageFilter::CropRect* cropRect) {
|
|
SkAutoTUnref<SkColorFilter> filter(SkColorFilter::CreateModeFilter(SK_ColorBLUE,
|
|
SkXfermode::kSrcIn_Mode));
|
|
return SkColorFilterImageFilter::Create(filter, input, cropRect);
|
|
}
|
|
|
|
DEF_TEST(ImageFilter, reporter) {
|
|
{
|
|
// Check that two non-clipping color-matrice-filters concatenate into a single filter.
|
|
SkAutoTUnref<SkImageFilter> halfBrightness(make_scale(0.5f));
|
|
SkAutoTUnref<SkImageFilter> quarterBrightness(make_scale(0.5f, halfBrightness));
|
|
REPORTER_ASSERT(reporter, NULL == quarterBrightness->getInput(0));
|
|
SkColorFilter* cf;
|
|
REPORTER_ASSERT(reporter, quarterBrightness->asColorFilter(&cf));
|
|
REPORTER_ASSERT(reporter, cf->asColorMatrix(NULL));
|
|
cf->unref();
|
|
}
|
|
|
|
{
|
|
// Check that a clipping color-matrice-filter followed by a color-matrice-filters
|
|
// concatenates into a single filter, but not a matrixfilter (due to clamping).
|
|
SkAutoTUnref<SkImageFilter> doubleBrightness(make_scale(2.0f));
|
|
SkAutoTUnref<SkImageFilter> halfBrightness(make_scale(0.5f, doubleBrightness));
|
|
REPORTER_ASSERT(reporter, NULL == halfBrightness->getInput(0));
|
|
SkColorFilter* cf;
|
|
REPORTER_ASSERT(reporter, halfBrightness->asColorFilter(&cf));
|
|
REPORTER_ASSERT(reporter, !cf->asColorMatrix(NULL));
|
|
cf->unref();
|
|
}
|
|
|
|
{
|
|
// Check that a color filter image filter without a crop rect can be
|
|
// expressed as a color filter.
|
|
SkAutoTUnref<SkImageFilter> gray(make_grayscale(NULL, NULL));
|
|
REPORTER_ASSERT(reporter, true == gray->asColorFilter(NULL));
|
|
}
|
|
|
|
{
|
|
// Check that a colorfilterimage filter without a crop rect but with an input
|
|
// that is another colorfilterimage can be expressed as a colorfilter (composed).
|
|
SkAutoTUnref<SkImageFilter> mode(make_blue(NULL, NULL));
|
|
SkAutoTUnref<SkImageFilter> gray(make_grayscale(mode, NULL));
|
|
REPORTER_ASSERT(reporter, true == gray->asColorFilter(NULL));
|
|
}
|
|
|
|
{
|
|
// Test that if we exceed the limit of what ComposeColorFilter can combine, we still
|
|
// can build the DAG and won't assert if we call asColorFilter.
|
|
SkAutoTUnref<SkImageFilter> filter(make_blue(NULL, NULL));
|
|
const int kWayTooManyForComposeColorFilter = 100;
|
|
for (int i = 0; i < kWayTooManyForComposeColorFilter; ++i) {
|
|
filter.reset(make_blue(filter, NULL));
|
|
// the first few of these will succeed, but after we hit the internal limit,
|
|
// it will then return false.
|
|
(void)filter->asColorFilter(NULL);
|
|
}
|
|
}
|
|
|
|
{
|
|
// Check that a color filter image filter with a crop rect cannot
|
|
// be expressed as a color filter.
|
|
SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(0, 0, 100, 100));
|
|
SkAutoTUnref<SkImageFilter> grayWithCrop(make_grayscale(NULL, &cropRect));
|
|
REPORTER_ASSERT(reporter, false == grayWithCrop->asColorFilter(NULL));
|
|
}
|
|
|
|
{
|
|
// Check that two non-commutative matrices are concatenated in
|
|
// the correct order.
|
|
SkScalar blueToRedMatrix[20] = { 0 };
|
|
blueToRedMatrix[2] = blueToRedMatrix[18] = SK_Scalar1;
|
|
SkScalar redToGreenMatrix[20] = { 0 };
|
|
redToGreenMatrix[5] = redToGreenMatrix[18] = SK_Scalar1;
|
|
SkAutoTUnref<SkColorFilter> blueToRed(SkColorMatrixFilter::Create(blueToRedMatrix));
|
|
SkAutoTUnref<SkImageFilter> filter1(SkColorFilterImageFilter::Create(blueToRed.get()));
|
|
SkAutoTUnref<SkColorFilter> redToGreen(SkColorMatrixFilter::Create(redToGreenMatrix));
|
|
SkAutoTUnref<SkImageFilter> filter2(SkColorFilterImageFilter::Create(redToGreen.get(), filter1.get()));
|
|
|
|
SkBitmap result;
|
|
result.allocN32Pixels(kBitmapSize, kBitmapSize);
|
|
|
|
SkPaint paint;
|
|
paint.setColor(SK_ColorBLUE);
|
|
paint.setImageFilter(filter2.get());
|
|
SkCanvas canvas(result);
|
|
canvas.clear(0x0);
|
|
SkRect rect = SkRect::Make(SkIRect::MakeWH(kBitmapSize, kBitmapSize));
|
|
canvas.drawRect(rect, paint);
|
|
uint32_t pixel = *result.getAddr32(0, 0);
|
|
// The result here should be green, since we have effectively shifted blue to green.
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
}
|
|
|
|
{
|
|
// Tests pass by not asserting
|
|
SkBitmap bitmap, result;
|
|
make_small_bitmap(bitmap);
|
|
result.allocN32Pixels(kBitmapSize, kBitmapSize);
|
|
|
|
{
|
|
// This tests for :
|
|
// 1 ) location at (0,0,1)
|
|
SkPoint3 location(0, 0, SK_Scalar1);
|
|
// 2 ) location and target at same value
|
|
SkPoint3 target(location.fX, location.fY, location.fZ);
|
|
// 3 ) large negative specular exponent value
|
|
SkScalar specularExponent = -1000;
|
|
|
|
SkAutoTUnref<SkImageFilter> bmSrc(SkBitmapSource::Create(bitmap));
|
|
SkPaint paint;
|
|
paint.setImageFilter(SkLightingImageFilter::CreateSpotLitSpecular(
|
|
location, target, specularExponent, 180,
|
|
0xFFFFFFFF, SK_Scalar1, SK_Scalar1, SK_Scalar1,
|
|
bmSrc))->unref();
|
|
SkCanvas canvas(result);
|
|
SkRect r = SkRect::MakeWH(SkIntToScalar(kBitmapSize),
|
|
SkIntToScalar(kBitmapSize));
|
|
canvas.drawRect(r, paint);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void test_crop_rects(SkBaseDevice* device, skiatest::Reporter* reporter) {
|
|
// Check that all filters offset to their absolute crop rect,
|
|
// unaffected by the input crop rect.
|
|
// Tests pass by not asserting.
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(100, 100);
|
|
bitmap.eraseARGB(0, 0, 0, 0);
|
|
SkDeviceImageFilterProxy proxy(device, SkSurfaceProps(SkSurfaceProps::kLegacyFontHost_InitType));
|
|
|
|
SkImageFilter::CropRect inputCropRect(SkRect::MakeXYWH(8, 13, 80, 80));
|
|
SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(20, 30, 60, 60));
|
|
SkAutoTUnref<SkImageFilter> input(make_grayscale(NULL, &inputCropRect));
|
|
|
|
SkAutoTUnref<SkColorFilter> cf(SkColorFilter::CreateModeFilter(SK_ColorRED, SkXfermode::kSrcIn_Mode));
|
|
SkPoint3 location(0, 0, SK_Scalar1);
|
|
SkPoint3 target(SK_Scalar1, SK_Scalar1, SK_Scalar1);
|
|
SkScalar kernel[9] = {
|
|
SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1),
|
|
SkIntToScalar( 1), SkIntToScalar(-7), SkIntToScalar( 1),
|
|
SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1),
|
|
};
|
|
SkISize kernelSize = SkISize::Make(3, 3);
|
|
SkScalar gain = SK_Scalar1, bias = 0;
|
|
|
|
SkImageFilter* filters[] = {
|
|
SkColorFilterImageFilter::Create(cf.get(), input.get(), &cropRect),
|
|
SkDisplacementMapEffect::Create(SkDisplacementMapEffect::kR_ChannelSelectorType,
|
|
SkDisplacementMapEffect::kB_ChannelSelectorType,
|
|
40.0f, input.get(), input.get(), &cropRect),
|
|
SkBlurImageFilter::Create(SK_Scalar1, SK_Scalar1, input.get(), &cropRect),
|
|
SkDropShadowImageFilter::Create(SK_Scalar1, SK_Scalar1, SK_Scalar1, SK_Scalar1,
|
|
SK_ColorGREEN, SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode,
|
|
input.get(), &cropRect),
|
|
SkLightingImageFilter::CreatePointLitDiffuse(location, SK_ColorGREEN, 0, 0, input.get(), &cropRect),
|
|
SkLightingImageFilter::CreatePointLitSpecular(location, SK_ColorGREEN, 0, 0, 0, input.get(), &cropRect),
|
|
SkMatrixConvolutionImageFilter::Create(kernelSize, kernel, gain, bias, SkIPoint::Make(1, 1), SkMatrixConvolutionImageFilter::kRepeat_TileMode, false, input.get(), &cropRect),
|
|
SkMergeImageFilter::Create(input.get(), input.get(), SkXfermode::kSrcOver_Mode, &cropRect),
|
|
SkOffsetImageFilter::Create(SK_Scalar1, SK_Scalar1, input.get(), &cropRect),
|
|
SkOffsetImageFilter::Create(SK_Scalar1, SK_Scalar1, input.get(), &cropRect),
|
|
SkDilateImageFilter::Create(3, 2, input.get(), &cropRect),
|
|
SkErodeImageFilter::Create(2, 3, input.get(), &cropRect),
|
|
SkTileImageFilter::Create(inputCropRect.rect(), cropRect.rect(), input.get()),
|
|
SkXfermodeImageFilter::Create(SkXfermode::Create(SkXfermode::kSrcOver_Mode), input.get(), input.get(), &cropRect),
|
|
};
|
|
|
|
for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) {
|
|
SkImageFilter* filter = filters[i];
|
|
SkBitmap result;
|
|
SkIPoint offset;
|
|
SkString str;
|
|
str.printf("filter %d", static_cast<int>(i));
|
|
SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeLargest(), NULL);
|
|
REPORTER_ASSERT_MESSAGE(reporter, filter->filterImage(&proxy, bitmap, ctx,
|
|
&result, &offset), str.c_str());
|
|
REPORTER_ASSERT_MESSAGE(reporter, offset.fX == 20 && offset.fY == 30, str.c_str());
|
|
}
|
|
|
|
for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) {
|
|
SkSafeUnref(filters[i]);
|
|
}
|
|
}
|
|
|
|
static SkBitmap make_gradient_circle(int width, int height) {
|
|
SkBitmap bitmap;
|
|
SkScalar x = SkIntToScalar(width / 2);
|
|
SkScalar y = SkIntToScalar(height / 2);
|
|
SkScalar radius = SkMinScalar(x, y) * 0.8f;
|
|
bitmap.allocN32Pixels(width, height);
|
|
SkCanvas canvas(bitmap);
|
|
canvas.clear(0x00000000);
|
|
SkColor colors[2];
|
|
colors[0] = SK_ColorWHITE;
|
|
colors[1] = SK_ColorBLACK;
|
|
SkAutoTUnref<SkShader> shader(
|
|
SkGradientShader::CreateRadial(SkPoint::Make(x, y), radius, colors, NULL, 2,
|
|
SkShader::kClamp_TileMode)
|
|
);
|
|
SkPaint paint;
|
|
paint.setShader(shader);
|
|
canvas.drawCircle(x, y, radius, paint);
|
|
return bitmap;
|
|
}
|
|
|
|
static void test_negative_blur_sigma(SkBaseDevice* device, skiatest::Reporter* reporter) {
|
|
// Check that SkBlurImageFilter will accept a negative sigma, either in
|
|
// the given arguments or after CTM application.
|
|
int width = 32, height = 32;
|
|
SkDeviceImageFilterProxy proxy(device, SkSurfaceProps(SkSurfaceProps::kLegacyFontHost_InitType));
|
|
SkScalar five = SkIntToScalar(5);
|
|
|
|
SkAutoTUnref<SkBlurImageFilter> positiveFilter(
|
|
SkBlurImageFilter::Create(five, five)
|
|
);
|
|
|
|
SkAutoTUnref<SkBlurImageFilter> negativeFilter(
|
|
SkBlurImageFilter::Create(-five, five)
|
|
);
|
|
|
|
SkBitmap gradient = make_gradient_circle(width, height);
|
|
SkBitmap positiveResult1, negativeResult1;
|
|
SkBitmap positiveResult2, negativeResult2;
|
|
SkIPoint offset;
|
|
SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeLargest(), NULL);
|
|
positiveFilter->filterImage(&proxy, gradient, ctx, &positiveResult1, &offset);
|
|
negativeFilter->filterImage(&proxy, gradient, ctx, &negativeResult1, &offset);
|
|
SkMatrix negativeScale;
|
|
negativeScale.setScale(-SK_Scalar1, SK_Scalar1);
|
|
SkImageFilter::Context negativeCTX(negativeScale, SkIRect::MakeLargest(), NULL);
|
|
positiveFilter->filterImage(&proxy, gradient, negativeCTX, &negativeResult2, &offset);
|
|
negativeFilter->filterImage(&proxy, gradient, negativeCTX, &positiveResult2, &offset);
|
|
SkAutoLockPixels lockP1(positiveResult1);
|
|
SkAutoLockPixels lockP2(positiveResult2);
|
|
SkAutoLockPixels lockN1(negativeResult1);
|
|
SkAutoLockPixels lockN2(negativeResult2);
|
|
for (int y = 0; y < height; y++) {
|
|
int diffs = memcmp(positiveResult1.getAddr32(0, y), negativeResult1.getAddr32(0, y), positiveResult1.rowBytes());
|
|
REPORTER_ASSERT(reporter, !diffs);
|
|
if (diffs) {
|
|
break;
|
|
}
|
|
diffs = memcmp(positiveResult1.getAddr32(0, y), negativeResult2.getAddr32(0, y), positiveResult1.rowBytes());
|
|
REPORTER_ASSERT(reporter, !diffs);
|
|
if (diffs) {
|
|
break;
|
|
}
|
|
diffs = memcmp(positiveResult1.getAddr32(0, y), positiveResult2.getAddr32(0, y), positiveResult1.rowBytes());
|
|
REPORTER_ASSERT(reporter, !diffs);
|
|
if (diffs) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
DEF_TEST(TestNegativeBlurSigma, reporter) {
|
|
SkBitmap temp;
|
|
temp.allocN32Pixels(100, 100);
|
|
SkBitmapDevice device(temp);
|
|
test_negative_blur_sigma(&device, reporter);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterDrawTiled, reporter) {
|
|
// Check that all filters when drawn tiled (with subsequent clip rects) exactly
|
|
// match the same filters drawn with a single full-canvas bitmap draw.
|
|
// Tests pass by not asserting.
|
|
|
|
SkAutoTUnref<SkColorFilter> cf(SkColorFilter::CreateModeFilter(SK_ColorRED, SkXfermode::kSrcIn_Mode));
|
|
SkPoint3 location(0, 0, SK_Scalar1);
|
|
SkPoint3 target(SK_Scalar1, SK_Scalar1, SK_Scalar1);
|
|
SkScalar kernel[9] = {
|
|
SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1),
|
|
SkIntToScalar( 1), SkIntToScalar(-7), SkIntToScalar( 1),
|
|
SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1),
|
|
};
|
|
SkISize kernelSize = SkISize::Make(3, 3);
|
|
SkScalar gain = SK_Scalar1, bias = 0;
|
|
SkScalar five = SkIntToScalar(5);
|
|
|
|
SkAutoTUnref<SkImageFilter> gradient_source(SkBitmapSource::Create(make_gradient_circle(64, 64)));
|
|
SkAutoTUnref<SkImageFilter> blur(SkBlurImageFilter::Create(five, five));
|
|
SkMatrix matrix;
|
|
|
|
matrix.setTranslate(SK_Scalar1, SK_Scalar1);
|
|
matrix.postRotate(SkIntToScalar(45), SK_Scalar1, SK_Scalar1);
|
|
|
|
SkRTreeFactory factory;
|
|
SkPictureRecorder recorder;
|
|
SkCanvas* recordingCanvas = recorder.beginRecording(64, 64, &factory, 0);
|
|
|
|
SkPaint greenPaint;
|
|
greenPaint.setColor(SK_ColorGREEN);
|
|
recordingCanvas->drawRect(SkRect::Make(SkIRect::MakeXYWH(10, 10, 30, 20)), greenPaint);
|
|
SkAutoTUnref<SkPicture> picture(recorder.endRecording());
|
|
SkAutoTUnref<SkImageFilter> pictureFilter(SkPictureImageFilter::Create(picture.get()));
|
|
SkAutoTUnref<SkShader> shader(SkPerlinNoiseShader::CreateTurbulence(SK_Scalar1, SK_Scalar1, 1, 0));
|
|
|
|
SkAutoTUnref<SkImageFilter> rectShaderFilter(SkRectShaderImageFilter::Create(shader.get()));
|
|
|
|
struct {
|
|
const char* fName;
|
|
SkImageFilter* fFilter;
|
|
} filters[] = {
|
|
{ "color filter", SkColorFilterImageFilter::Create(cf.get()) },
|
|
{ "displacement map", SkDisplacementMapEffect::Create(
|
|
SkDisplacementMapEffect::kR_ChannelSelectorType,
|
|
SkDisplacementMapEffect::kB_ChannelSelectorType,
|
|
20.0f, gradient_source.get()) },
|
|
{ "blur", SkBlurImageFilter::Create(SK_Scalar1, SK_Scalar1) },
|
|
{ "drop shadow", SkDropShadowImageFilter::Create(
|
|
SK_Scalar1, SK_Scalar1, SK_Scalar1, SK_Scalar1, SK_ColorGREEN,
|
|
SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode) },
|
|
{ "diffuse lighting", SkLightingImageFilter::CreatePointLitDiffuse(
|
|
location, SK_ColorGREEN, 0, 0) },
|
|
{ "specular lighting",
|
|
SkLightingImageFilter::CreatePointLitSpecular(location, SK_ColorGREEN, 0, 0, 0) },
|
|
{ "matrix convolution",
|
|
SkMatrixConvolutionImageFilter::Create(
|
|
kernelSize, kernel, gain, bias, SkIPoint::Make(1, 1),
|
|
SkMatrixConvolutionImageFilter::kRepeat_TileMode, false) },
|
|
{ "merge", SkMergeImageFilter::Create(NULL, NULL, SkXfermode::kSrcOver_Mode) },
|
|
{ "offset", SkOffsetImageFilter::Create(SK_Scalar1, SK_Scalar1) },
|
|
{ "dilate", SkDilateImageFilter::Create(3, 2) },
|
|
{ "erode", SkErodeImageFilter::Create(2, 3) },
|
|
{ "tile", SkTileImageFilter::Create(SkRect::MakeXYWH(0, 0, 50, 50),
|
|
SkRect::MakeXYWH(0, 0, 100, 100), NULL) },
|
|
{ "matrix", SkImageFilter::CreateMatrixFilter(matrix, kLow_SkFilterQuality) },
|
|
{ "blur and offset", SkOffsetImageFilter::Create(five, five, blur.get()) },
|
|
{ "picture and blur", SkBlurImageFilter::Create(five, five, pictureFilter.get()) },
|
|
{ "rect shader and blur", SkBlurImageFilter::Create(five, five, rectShaderFilter.get()) },
|
|
};
|
|
|
|
SkBitmap untiledResult, tiledResult;
|
|
int width = 64, height = 64;
|
|
untiledResult.allocN32Pixels(width, height);
|
|
tiledResult.allocN32Pixels(width, height);
|
|
SkCanvas tiledCanvas(tiledResult);
|
|
SkCanvas untiledCanvas(untiledResult);
|
|
int tileSize = 8;
|
|
|
|
for (int scale = 1; scale <= 2; ++scale) {
|
|
for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) {
|
|
tiledCanvas.clear(0);
|
|
untiledCanvas.clear(0);
|
|
SkPaint paint;
|
|
paint.setImageFilter(filters[i].fFilter);
|
|
paint.setTextSize(SkIntToScalar(height));
|
|
paint.setColor(SK_ColorWHITE);
|
|
SkString str;
|
|
const char* text = "ABC";
|
|
SkScalar ypos = SkIntToScalar(height);
|
|
untiledCanvas.save();
|
|
untiledCanvas.scale(SkIntToScalar(scale), SkIntToScalar(scale));
|
|
untiledCanvas.drawText(text, strlen(text), 0, ypos, paint);
|
|
untiledCanvas.restore();
|
|
for (int y = 0; y < height; y += tileSize) {
|
|
for (int x = 0; x < width; x += tileSize) {
|
|
tiledCanvas.save();
|
|
tiledCanvas.clipRect(SkRect::Make(SkIRect::MakeXYWH(x, y, tileSize, tileSize)));
|
|
tiledCanvas.scale(SkIntToScalar(scale), SkIntToScalar(scale));
|
|
tiledCanvas.drawText(text, strlen(text), 0, ypos, paint);
|
|
tiledCanvas.restore();
|
|
}
|
|
}
|
|
untiledCanvas.flush();
|
|
tiledCanvas.flush();
|
|
for (int y = 0; y < height; y++) {
|
|
int diffs = memcmp(untiledResult.getAddr32(0, y), tiledResult.getAddr32(0, y), untiledResult.rowBytes());
|
|
REPORTER_ASSERT_MESSAGE(reporter, !diffs, filters[i].fName);
|
|
if (diffs) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) {
|
|
SkSafeUnref(filters[i].fFilter);
|
|
}
|
|
}
|
|
|
|
static void draw_saveLayer_picture(int width, int height, int tileSize,
|
|
SkBBHFactory* factory, SkBitmap* result) {
|
|
|
|
SkMatrix matrix;
|
|
matrix.setTranslate(SkIntToScalar(50), 0);
|
|
|
|
SkAutoTUnref<SkColorFilter> cf(SkColorFilter::CreateModeFilter(SK_ColorWHITE, SkXfermode::kSrc_Mode));
|
|
SkAutoTUnref<SkImageFilter> cfif(SkColorFilterImageFilter::Create(cf.get()));
|
|
SkAutoTUnref<SkImageFilter> imageFilter(SkImageFilter::CreateMatrixFilter(matrix, kNone_SkFilterQuality, cfif.get()));
|
|
|
|
SkPaint paint;
|
|
paint.setImageFilter(imageFilter.get());
|
|
SkPictureRecorder recorder;
|
|
SkRect bounds = SkRect::Make(SkIRect::MakeXYWH(0, 0, 50, 50));
|
|
SkCanvas* recordingCanvas = recorder.beginRecording(SkIntToScalar(width),
|
|
SkIntToScalar(height),
|
|
factory, 0);
|
|
recordingCanvas->translate(-55, 0);
|
|
recordingCanvas->saveLayer(&bounds, &paint);
|
|
recordingCanvas->restore();
|
|
SkAutoTUnref<SkPicture> picture1(recorder.endRecording());
|
|
|
|
result->allocN32Pixels(width, height);
|
|
SkCanvas canvas(*result);
|
|
canvas.clear(0);
|
|
canvas.clipRect(SkRect::Make(SkIRect::MakeWH(tileSize, tileSize)));
|
|
canvas.drawPicture(picture1.get());
|
|
}
|
|
|
|
DEF_TEST(ImageFilterDrawMatrixBBH, reporter) {
|
|
// Check that matrix filter when drawn tiled with BBH exactly
|
|
// matches the same thing drawn without BBH.
|
|
// Tests pass by not asserting.
|
|
|
|
const int width = 200, height = 200;
|
|
const int tileSize = 100;
|
|
SkBitmap result1, result2;
|
|
SkRTreeFactory factory;
|
|
|
|
draw_saveLayer_picture(width, height, tileSize, &factory, &result1);
|
|
draw_saveLayer_picture(width, height, tileSize, NULL, &result2);
|
|
|
|
for (int y = 0; y < height; y++) {
|
|
int diffs = memcmp(result1.getAddr32(0, y), result2.getAddr32(0, y), result1.rowBytes());
|
|
REPORTER_ASSERT(reporter, !diffs);
|
|
if (diffs) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static SkImageFilter* makeBlur(SkImageFilter* input = NULL) {
|
|
return SkBlurImageFilter::Create(SK_Scalar1, SK_Scalar1, input);
|
|
}
|
|
|
|
static SkImageFilter* makeDropShadow(SkImageFilter* input = NULL) {
|
|
return SkDropShadowImageFilter::Create(
|
|
SkIntToScalar(100), SkIntToScalar(100),
|
|
SkIntToScalar(10), SkIntToScalar(10),
|
|
SK_ColorBLUE, SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode,
|
|
input, NULL);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterBlurThenShadowBounds, reporter) {
|
|
SkAutoTUnref<SkImageFilter> filter1(makeBlur());
|
|
SkAutoTUnref<SkImageFilter> filter2(makeDropShadow(filter1.get()));
|
|
|
|
SkIRect bounds = SkIRect::MakeXYWH(0, 0, 100, 100);
|
|
SkIRect expectedBounds = SkIRect::MakeXYWH(-133, -133, 236, 236);
|
|
filter2->filterBounds(bounds, SkMatrix::I(), &bounds);
|
|
|
|
REPORTER_ASSERT(reporter, bounds == expectedBounds);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterShadowThenBlurBounds, reporter) {
|
|
SkAutoTUnref<SkImageFilter> filter1(makeDropShadow());
|
|
SkAutoTUnref<SkImageFilter> filter2(makeBlur(filter1.get()));
|
|
|
|
SkIRect bounds = SkIRect::MakeXYWH(0, 0, 100, 100);
|
|
SkIRect expectedBounds = SkIRect::MakeXYWH(-133, -133, 236, 236);
|
|
filter2->filterBounds(bounds, SkMatrix::I(), &bounds);
|
|
|
|
REPORTER_ASSERT(reporter, bounds == expectedBounds);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterDilateThenBlurBounds, reporter) {
|
|
SkAutoTUnref<SkImageFilter> filter1(SkDilateImageFilter::Create(2, 2));
|
|
SkAutoTUnref<SkImageFilter> filter2(makeDropShadow(filter1.get()));
|
|
|
|
SkIRect bounds = SkIRect::MakeXYWH(0, 0, 100, 100);
|
|
SkIRect expectedBounds = SkIRect::MakeXYWH(-132, -132, 234, 234);
|
|
filter2->filterBounds(bounds, SkMatrix::I(), &bounds);
|
|
|
|
REPORTER_ASSERT(reporter, bounds == expectedBounds);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterComposedBlurFastBounds, reporter) {
|
|
SkAutoTUnref<SkImageFilter> filter1(makeBlur());
|
|
SkAutoTUnref<SkImageFilter> filter2(makeBlur());
|
|
SkAutoTUnref<SkImageFilter> composedFilter(SkComposeImageFilter::Create(filter1.get(), filter2.get()));
|
|
|
|
SkRect boundsSrc = SkRect::MakeWH(SkIntToScalar(100), SkIntToScalar(100));
|
|
SkRect expectedBounds = SkRect::MakeXYWH(
|
|
SkIntToScalar(-6), SkIntToScalar(-6), SkIntToScalar(112), SkIntToScalar(112));
|
|
SkRect boundsDst = SkRect::MakeEmpty();
|
|
composedFilter->computeFastBounds(boundsSrc, &boundsDst);
|
|
|
|
REPORTER_ASSERT(reporter, boundsDst == expectedBounds);
|
|
}
|
|
|
|
static void draw_blurred_rect(SkCanvas* canvas) {
|
|
SkAutoTUnref<SkImageFilter> filter(SkBlurImageFilter::Create(SkIntToScalar(8), 0));
|
|
SkPaint filterPaint;
|
|
filterPaint.setColor(SK_ColorWHITE);
|
|
filterPaint.setImageFilter(filter);
|
|
canvas->saveLayer(NULL, &filterPaint);
|
|
SkPaint whitePaint;
|
|
whitePaint.setColor(SK_ColorWHITE);
|
|
canvas->drawRect(SkRect::Make(SkIRect::MakeWH(4, 4)), whitePaint);
|
|
canvas->restore();
|
|
}
|
|
|
|
static void draw_picture_clipped(SkCanvas* canvas, const SkRect& clipRect, const SkPicture* picture) {
|
|
canvas->save();
|
|
canvas->clipRect(clipRect);
|
|
canvas->drawPicture(picture);
|
|
canvas->restore();
|
|
}
|
|
|
|
DEF_TEST(ImageFilterDrawTiledBlurRTree, reporter) {
|
|
// Check that the blur filter when recorded with RTree acceleration,
|
|
// and drawn tiled (with subsequent clip rects) exactly
|
|
// matches the same filter drawn with without RTree acceleration.
|
|
// This tests that the "bleed" from the blur into the otherwise-blank
|
|
// tiles is correctly rendered.
|
|
// Tests pass by not asserting.
|
|
|
|
int width = 16, height = 8;
|
|
SkBitmap result1, result2;
|
|
result1.allocN32Pixels(width, height);
|
|
result2.allocN32Pixels(width, height);
|
|
SkCanvas canvas1(result1);
|
|
SkCanvas canvas2(result2);
|
|
int tileSize = 8;
|
|
|
|
canvas1.clear(0);
|
|
canvas2.clear(0);
|
|
|
|
SkRTreeFactory factory;
|
|
|
|
SkPictureRecorder recorder1, recorder2;
|
|
// The only difference between these two pictures is that one has RTree aceleration.
|
|
SkCanvas* recordingCanvas1 = recorder1.beginRecording(SkIntToScalar(width),
|
|
SkIntToScalar(height),
|
|
NULL, 0);
|
|
SkCanvas* recordingCanvas2 = recorder2.beginRecording(SkIntToScalar(width),
|
|
SkIntToScalar(height),
|
|
&factory, 0);
|
|
draw_blurred_rect(recordingCanvas1);
|
|
draw_blurred_rect(recordingCanvas2);
|
|
SkAutoTUnref<SkPicture> picture1(recorder1.endRecording());
|
|
SkAutoTUnref<SkPicture> picture2(recorder2.endRecording());
|
|
for (int y = 0; y < height; y += tileSize) {
|
|
for (int x = 0; x < width; x += tileSize) {
|
|
SkRect tileRect = SkRect::Make(SkIRect::MakeXYWH(x, y, tileSize, tileSize));
|
|
draw_picture_clipped(&canvas1, tileRect, picture1);
|
|
draw_picture_clipped(&canvas2, tileRect, picture2);
|
|
}
|
|
}
|
|
for (int y = 0; y < height; y++) {
|
|
int diffs = memcmp(result1.getAddr32(0, y), result2.getAddr32(0, y), result1.rowBytes());
|
|
REPORTER_ASSERT(reporter, !diffs);
|
|
if (diffs) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
DEF_TEST(ImageFilterMatrixConvolution, reporter) {
|
|
// Check that a 1x3 filter does not cause a spurious assert.
|
|
SkScalar kernel[3] = {
|
|
SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1),
|
|
};
|
|
SkISize kernelSize = SkISize::Make(1, 3);
|
|
SkScalar gain = SK_Scalar1, bias = 0;
|
|
SkIPoint kernelOffset = SkIPoint::Make(0, 0);
|
|
|
|
SkAutoTUnref<SkImageFilter> filter(
|
|
SkMatrixConvolutionImageFilter::Create(
|
|
kernelSize, kernel, gain, bias, kernelOffset,
|
|
SkMatrixConvolutionImageFilter::kRepeat_TileMode, false));
|
|
|
|
SkBitmap result;
|
|
int width = 16, height = 16;
|
|
result.allocN32Pixels(width, height);
|
|
SkCanvas canvas(result);
|
|
canvas.clear(0);
|
|
|
|
SkPaint paint;
|
|
paint.setImageFilter(filter);
|
|
SkRect rect = SkRect::Make(SkIRect::MakeWH(width, height));
|
|
canvas.drawRect(rect, paint);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterMatrixConvolutionBorder, reporter) {
|
|
// Check that a filter with borders outside the target bounds
|
|
// does not crash.
|
|
SkScalar kernel[3] = {
|
|
0, 0, 0,
|
|
};
|
|
SkISize kernelSize = SkISize::Make(3, 1);
|
|
SkScalar gain = SK_Scalar1, bias = 0;
|
|
SkIPoint kernelOffset = SkIPoint::Make(2, 0);
|
|
|
|
SkAutoTUnref<SkImageFilter> filter(
|
|
SkMatrixConvolutionImageFilter::Create(
|
|
kernelSize, kernel, gain, bias, kernelOffset,
|
|
SkMatrixConvolutionImageFilter::kClamp_TileMode, true));
|
|
|
|
SkBitmap result;
|
|
|
|
int width = 10, height = 10;
|
|
result.allocN32Pixels(width, height);
|
|
SkCanvas canvas(result);
|
|
canvas.clear(0);
|
|
|
|
SkPaint filterPaint;
|
|
filterPaint.setImageFilter(filter);
|
|
SkRect bounds = SkRect::MakeWH(1, 10);
|
|
SkRect rect = SkRect::Make(SkIRect::MakeWH(width, height));
|
|
SkPaint rectPaint;
|
|
canvas.saveLayer(&bounds, &filterPaint);
|
|
canvas.drawRect(rect, rectPaint);
|
|
canvas.restore();
|
|
}
|
|
|
|
DEF_TEST(ImageFilterCropRect, reporter) {
|
|
SkBitmap temp;
|
|
temp.allocN32Pixels(100, 100);
|
|
SkBitmapDevice device(temp);
|
|
test_crop_rects(&device, reporter);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterMatrix, reporter) {
|
|
SkBitmap temp;
|
|
temp.allocN32Pixels(100, 100);
|
|
SkBitmapDevice device(temp);
|
|
SkCanvas canvas(&device);
|
|
canvas.scale(SkIntToScalar(2), SkIntToScalar(2));
|
|
|
|
SkMatrix expectedMatrix = canvas.getTotalMatrix();
|
|
|
|
SkRTreeFactory factory;
|
|
SkPictureRecorder recorder;
|
|
SkCanvas* recordingCanvas = recorder.beginRecording(100, 100, &factory, 0);
|
|
|
|
SkPaint paint;
|
|
SkAutoTUnref<MatrixTestImageFilter> imageFilter(
|
|
new MatrixTestImageFilter(reporter, expectedMatrix));
|
|
paint.setImageFilter(imageFilter.get());
|
|
recordingCanvas->saveLayer(NULL, &paint);
|
|
SkPaint solidPaint;
|
|
solidPaint.setColor(0xFFFFFFFF);
|
|
recordingCanvas->save();
|
|
recordingCanvas->scale(SkIntToScalar(10), SkIntToScalar(10));
|
|
recordingCanvas->drawRect(SkRect::Make(SkIRect::MakeWH(100, 100)), solidPaint);
|
|
recordingCanvas->restore(); // scale
|
|
recordingCanvas->restore(); // saveLayer
|
|
SkAutoTUnref<SkPicture> picture(recorder.endRecording());
|
|
|
|
canvas.drawPicture(picture);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterCrossProcessPictureImageFilter, reporter) {
|
|
SkRTreeFactory factory;
|
|
SkPictureRecorder recorder;
|
|
SkCanvas* recordingCanvas = recorder.beginRecording(1, 1, &factory, 0);
|
|
|
|
// Create an SkPicture which simply draws a green 1x1 rectangle.
|
|
SkPaint greenPaint;
|
|
greenPaint.setColor(SK_ColorGREEN);
|
|
recordingCanvas->drawRect(SkRect::Make(SkIRect::MakeWH(1, 1)), greenPaint);
|
|
SkAutoTUnref<SkPicture> picture(recorder.endRecording());
|
|
|
|
// Wrap that SkPicture in an SkPictureImageFilter.
|
|
SkAutoTUnref<SkImageFilter> imageFilter(
|
|
SkPictureImageFilter::Create(picture.get()));
|
|
|
|
// Check that SkPictureImageFilter successfully serializes its contained
|
|
// SkPicture when not in cross-process mode.
|
|
SkPaint paint;
|
|
paint.setImageFilter(imageFilter.get());
|
|
SkPictureRecorder outerRecorder;
|
|
SkCanvas* outerCanvas = outerRecorder.beginRecording(1, 1, &factory, 0);
|
|
SkPaint redPaintWithFilter;
|
|
redPaintWithFilter.setColor(SK_ColorRED);
|
|
redPaintWithFilter.setImageFilter(imageFilter.get());
|
|
outerCanvas->drawRect(SkRect::Make(SkIRect::MakeWH(1, 1)), redPaintWithFilter);
|
|
SkAutoTUnref<SkPicture> outerPicture(outerRecorder.endRecording());
|
|
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(1, 1);
|
|
SkBitmapDevice device(bitmap);
|
|
SkCanvas canvas(&device);
|
|
|
|
// The result here should be green, since the filter replaces the primitive's red interior.
|
|
canvas.clear(0x0);
|
|
canvas.drawPicture(outerPicture);
|
|
uint32_t pixel = *bitmap.getAddr32(0, 0);
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
|
|
// Check that, for now, SkPictureImageFilter does not serialize or
|
|
// deserialize its contained picture when the filter is serialized
|
|
// cross-process. Do this by "laundering" it through SkValidatingReadBuffer.
|
|
SkAutoTUnref<SkData> data(SkValidatingSerializeFlattenable(imageFilter.get()));
|
|
SkAutoTUnref<SkFlattenable> flattenable(SkValidatingDeserializeFlattenable(
|
|
data->data(), data->size(), SkImageFilter::GetFlattenableType()));
|
|
SkImageFilter* unflattenedFilter = static_cast<SkImageFilter*>(flattenable.get());
|
|
|
|
redPaintWithFilter.setImageFilter(unflattenedFilter);
|
|
SkPictureRecorder crossProcessRecorder;
|
|
SkCanvas* crossProcessCanvas = crossProcessRecorder.beginRecording(1, 1, &factory, 0);
|
|
crossProcessCanvas->drawRect(SkRect::Make(SkIRect::MakeWH(1, 1)), redPaintWithFilter);
|
|
SkAutoTUnref<SkPicture> crossProcessPicture(crossProcessRecorder.endRecording());
|
|
|
|
canvas.clear(0x0);
|
|
canvas.drawPicture(crossProcessPicture);
|
|
pixel = *bitmap.getAddr32(0, 0);
|
|
#ifdef SK_DISALLOW_CROSSPROCESS_PICTUREIMAGEFILTERS
|
|
// The result here should not be green, since the filter draws nothing.
|
|
REPORTER_ASSERT(reporter, pixel != SK_ColorGREEN);
|
|
#else
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
#endif
|
|
}
|
|
|
|
DEF_TEST(ImageFilterClippedPictureImageFilter, reporter) {
|
|
SkRTreeFactory factory;
|
|
SkPictureRecorder recorder;
|
|
SkCanvas* recordingCanvas = recorder.beginRecording(1, 1, &factory, 0);
|
|
|
|
// Create an SkPicture which simply draws a green 1x1 rectangle.
|
|
SkPaint greenPaint;
|
|
greenPaint.setColor(SK_ColorGREEN);
|
|
recordingCanvas->drawRect(SkRect::Make(SkIRect::MakeWH(1, 1)), greenPaint);
|
|
SkAutoTUnref<SkPicture> picture(recorder.endRecording());
|
|
|
|
SkAutoTUnref<SkImageFilter> imageFilter(
|
|
SkPictureImageFilter::Create(picture.get()));
|
|
|
|
SkBitmap result;
|
|
SkIPoint offset;
|
|
SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeXYWH(1, 1, 1, 1), NULL);
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(2, 2);
|
|
SkBitmapDevice device(bitmap);
|
|
SkDeviceImageFilterProxy proxy(&device, SkSurfaceProps(SkSurfaceProps::kLegacyFontHost_InitType));
|
|
REPORTER_ASSERT(reporter, !imageFilter->filterImage(&proxy, bitmap, ctx, &result, &offset));
|
|
}
|
|
|
|
DEF_TEST(ImageFilterEmptySaveLayer, reporter) {
|
|
// Even when there's an empty saveLayer()/restore(), ensure that an image
|
|
// filter or color filter which affects transparent black still draws.
|
|
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(10, 10);
|
|
SkBitmapDevice device(bitmap);
|
|
SkCanvas canvas(&device);
|
|
|
|
SkRTreeFactory factory;
|
|
SkPictureRecorder recorder;
|
|
|
|
SkAutoTUnref<SkColorFilter> green(
|
|
SkColorFilter::CreateModeFilter(SK_ColorGREEN, SkXfermode::kSrc_Mode));
|
|
SkAutoTUnref<SkColorFilterImageFilter> imageFilter(
|
|
SkColorFilterImageFilter::Create(green.get()));
|
|
SkPaint imageFilterPaint;
|
|
imageFilterPaint.setImageFilter(imageFilter.get());
|
|
SkPaint colorFilterPaint;
|
|
colorFilterPaint.setColorFilter(green.get());
|
|
|
|
SkRect bounds = SkRect::MakeWH(10, 10);
|
|
|
|
SkCanvas* recordingCanvas = recorder.beginRecording(10, 10, &factory, 0);
|
|
recordingCanvas->saveLayer(&bounds, &imageFilterPaint);
|
|
recordingCanvas->restore();
|
|
SkAutoTUnref<SkPicture> picture(recorder.endRecording());
|
|
|
|
canvas.clear(0);
|
|
canvas.drawPicture(picture);
|
|
uint32_t pixel = *bitmap.getAddr32(0, 0);
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
|
|
recordingCanvas = recorder.beginRecording(10, 10, &factory, 0);
|
|
recordingCanvas->saveLayer(NULL, &imageFilterPaint);
|
|
recordingCanvas->restore();
|
|
SkAutoTUnref<SkPicture> picture2(recorder.endRecording());
|
|
|
|
canvas.clear(0);
|
|
canvas.drawPicture(picture2);
|
|
pixel = *bitmap.getAddr32(0, 0);
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
|
|
recordingCanvas = recorder.beginRecording(10, 10, &factory, 0);
|
|
recordingCanvas->saveLayer(&bounds, &colorFilterPaint);
|
|
recordingCanvas->restore();
|
|
SkAutoTUnref<SkPicture> picture3(recorder.endRecording());
|
|
|
|
canvas.clear(0);
|
|
canvas.drawPicture(picture3);
|
|
pixel = *bitmap.getAddr32(0, 0);
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
}
|
|
|
|
static void test_huge_blur(SkBaseDevice* device, skiatest::Reporter* reporter) {
|
|
SkCanvas canvas(device);
|
|
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(100, 100);
|
|
bitmap.eraseARGB(0, 0, 0, 0);
|
|
|
|
// Check that a blur with an insane radius does not crash or assert.
|
|
SkAutoTUnref<SkImageFilter> blur(SkBlurImageFilter::Create(SkIntToScalar(1<<30), SkIntToScalar(1<<30)));
|
|
|
|
SkPaint paint;
|
|
paint.setImageFilter(blur);
|
|
canvas.drawSprite(bitmap, 0, 0, &paint);
|
|
}
|
|
|
|
DEF_TEST(HugeBlurImageFilter, reporter) {
|
|
SkBitmap temp;
|
|
temp.allocN32Pixels(100, 100);
|
|
SkBitmapDevice device(temp);
|
|
test_huge_blur(&device, reporter);
|
|
}
|
|
|
|
DEF_TEST(MatrixConvolutionSanityTest, reporter) {
|
|
SkScalar kernel[1] = { 0 };
|
|
SkScalar gain = SK_Scalar1, bias = 0;
|
|
SkIPoint kernelOffset = SkIPoint::Make(1, 1);
|
|
|
|
// Check that an enormous (non-allocatable) kernel gives a NULL filter.
|
|
SkAutoTUnref<SkImageFilter> conv(SkMatrixConvolutionImageFilter::Create(
|
|
SkISize::Make(1<<30, 1<<30),
|
|
kernel,
|
|
gain,
|
|
bias,
|
|
kernelOffset,
|
|
SkMatrixConvolutionImageFilter::kRepeat_TileMode,
|
|
false));
|
|
|
|
REPORTER_ASSERT(reporter, NULL == conv.get());
|
|
|
|
// Check that a NULL kernel gives a NULL filter.
|
|
conv.reset(SkMatrixConvolutionImageFilter::Create(
|
|
SkISize::Make(1, 1),
|
|
NULL,
|
|
gain,
|
|
bias,
|
|
kernelOffset,
|
|
SkMatrixConvolutionImageFilter::kRepeat_TileMode,
|
|
false));
|
|
|
|
REPORTER_ASSERT(reporter, NULL == conv.get());
|
|
|
|
// Check that a kernel width < 1 gives a NULL filter.
|
|
conv.reset(SkMatrixConvolutionImageFilter::Create(
|
|
SkISize::Make(0, 1),
|
|
kernel,
|
|
gain,
|
|
bias,
|
|
kernelOffset,
|
|
SkMatrixConvolutionImageFilter::kRepeat_TileMode,
|
|
false));
|
|
|
|
REPORTER_ASSERT(reporter, NULL == conv.get());
|
|
|
|
// Check that kernel height < 1 gives a NULL filter.
|
|
conv.reset(SkMatrixConvolutionImageFilter::Create(
|
|
SkISize::Make(1, -1),
|
|
kernel,
|
|
gain,
|
|
bias,
|
|
kernelOffset,
|
|
SkMatrixConvolutionImageFilter::kRepeat_TileMode,
|
|
false));
|
|
|
|
REPORTER_ASSERT(reporter, NULL == conv.get());
|
|
}
|
|
|
|
static void test_xfermode_cropped_input(SkBaseDevice* device, skiatest::Reporter* reporter) {
|
|
SkCanvas canvas(device);
|
|
canvas.clear(0);
|
|
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(1, 1);
|
|
bitmap.eraseARGB(255, 255, 255, 255);
|
|
|
|
SkAutoTUnref<SkColorFilter> green(
|
|
SkColorFilter::CreateModeFilter(SK_ColorGREEN, SkXfermode::kSrcIn_Mode));
|
|
SkAutoTUnref<SkColorFilterImageFilter> greenFilter(
|
|
SkColorFilterImageFilter::Create(green.get()));
|
|
SkImageFilter::CropRect cropRect(SkRect::MakeEmpty());
|
|
SkAutoTUnref<SkColorFilterImageFilter> croppedOut(
|
|
SkColorFilterImageFilter::Create(green.get(), NULL, &cropRect));
|
|
|
|
// Check that an xfermode image filter whose input has been cropped out still draws the other
|
|
// input. Also check that drawing with both inputs cropped out doesn't cause a GPU warning.
|
|
SkXfermode* mode = SkXfermode::Create(SkXfermode::kSrcOver_Mode);
|
|
SkAutoTUnref<SkImageFilter> xfermodeNoFg(
|
|
SkXfermodeImageFilter::Create(mode, greenFilter, croppedOut));
|
|
SkAutoTUnref<SkImageFilter> xfermodeNoBg(
|
|
SkXfermodeImageFilter::Create(mode, croppedOut, greenFilter));
|
|
SkAutoTUnref<SkImageFilter> xfermodeNoFgNoBg(
|
|
SkXfermodeImageFilter::Create(mode, croppedOut, croppedOut));
|
|
|
|
SkPaint paint;
|
|
paint.setImageFilter(xfermodeNoFg);
|
|
canvas.drawSprite(bitmap, 0, 0, &paint);
|
|
|
|
uint32_t pixel;
|
|
SkImageInfo info = SkImageInfo::Make(1, 1, kBGRA_8888_SkColorType, kUnpremul_SkAlphaType);
|
|
canvas.readPixels(info, &pixel, 4, 0, 0);
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
|
|
paint.setImageFilter(xfermodeNoBg);
|
|
canvas.drawSprite(bitmap, 0, 0, &paint);
|
|
canvas.readPixels(info, &pixel, 4, 0, 0);
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
|
|
paint.setImageFilter(xfermodeNoFgNoBg);
|
|
canvas.drawSprite(bitmap, 0, 0, &paint);
|
|
canvas.readPixels(info, &pixel, 4, 0, 0);
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
}
|
|
|
|
DEF_TEST(ImageFilterNestedSaveLayer, reporter) {
|
|
SkBitmap temp;
|
|
temp.allocN32Pixels(50, 50);
|
|
SkBitmapDevice device(temp);
|
|
SkCanvas canvas(&device);
|
|
canvas.clear(0x0);
|
|
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(10, 10);
|
|
bitmap.eraseColor(SK_ColorGREEN);
|
|
|
|
SkMatrix matrix;
|
|
matrix.setScale(SkIntToScalar(2), SkIntToScalar(2));
|
|
matrix.postTranslate(SkIntToScalar(-20), SkIntToScalar(-20));
|
|
SkAutoTUnref<SkImageFilter> matrixFilter(
|
|
SkImageFilter::CreateMatrixFilter(matrix, kLow_SkFilterQuality));
|
|
|
|
// Test that saveLayer() with a filter nested inside another saveLayer() applies the
|
|
// correct offset to the filter matrix.
|
|
SkRect bounds1 = SkRect::MakeXYWH(10, 10, 30, 30);
|
|
canvas.saveLayer(&bounds1, NULL);
|
|
SkPaint filterPaint;
|
|
filterPaint.setImageFilter(matrixFilter);
|
|
SkRect bounds2 = SkRect::MakeXYWH(20, 20, 10, 10);
|
|
canvas.saveLayer(&bounds2, &filterPaint);
|
|
SkPaint greenPaint;
|
|
greenPaint.setColor(SK_ColorGREEN);
|
|
canvas.drawRect(bounds2, greenPaint);
|
|
canvas.restore();
|
|
canvas.restore();
|
|
SkPaint strokePaint;
|
|
strokePaint.setStyle(SkPaint::kStroke_Style);
|
|
strokePaint.setColor(SK_ColorRED);
|
|
|
|
SkImageInfo info = SkImageInfo::Make(1, 1, kBGRA_8888_SkColorType, kUnpremul_SkAlphaType);
|
|
uint32_t pixel;
|
|
canvas.readPixels(info, &pixel, 4, 25, 25);
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
|
|
// Test that drawSprite() with a filter nested inside a saveLayer() applies the
|
|
// correct offset to the filter matrix.
|
|
canvas.clear(0x0);
|
|
canvas.readPixels(info, &pixel, 4, 25, 25);
|
|
canvas.saveLayer(&bounds1, NULL);
|
|
canvas.drawSprite(bitmap, 20, 20, &filterPaint);
|
|
canvas.restore();
|
|
|
|
canvas.readPixels(info, &pixel, 4, 25, 25);
|
|
REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN);
|
|
}
|
|
|
|
DEF_TEST(XfermodeImageFilterCroppedInput, reporter) {
|
|
SkBitmap temp;
|
|
temp.allocN32Pixels(100, 100);
|
|
SkBitmapDevice device(temp);
|
|
test_xfermode_cropped_input(&device, reporter);
|
|
}
|
|
|
|
DEF_TEST(ComposedImageFilterOffset, reporter) {
|
|
SkBitmap bitmap;
|
|
bitmap.allocN32Pixels(100, 100);
|
|
bitmap.eraseARGB(0, 0, 0, 0);
|
|
SkBitmapDevice device(bitmap);
|
|
SkDeviceImageFilterProxy proxy(&device, SkSurfaceProps(SkSurfaceProps::kLegacyFontHost_InitType));
|
|
|
|
SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(1, 0, 20, 20));
|
|
SkAutoTUnref<SkImageFilter> offsetFilter(SkOffsetImageFilter::Create(0, 0, NULL, &cropRect));
|
|
SkAutoTUnref<SkImageFilter> blurFilter(makeBlur());
|
|
SkAutoTUnref<SkImageFilter> composedFilter(SkComposeImageFilter::Create(blurFilter, offsetFilter.get()));
|
|
SkBitmap result;
|
|
SkIPoint offset;
|
|
SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeLargest(), NULL);
|
|
REPORTER_ASSERT(reporter, composedFilter->filterImage(&proxy, bitmap, ctx, &result, &offset));
|
|
REPORTER_ASSERT(reporter, offset.fX == 1 && offset.fY == 0);
|
|
}
|
|
|
|
#if SK_SUPPORT_GPU
|
|
const SkSurfaceProps gProps = SkSurfaceProps(SkSurfaceProps::kLegacyFontHost_InitType);
|
|
|
|
DEF_GPUTEST(ImageFilterCropRectGPU, reporter, factory) {
|
|
GrContext* context = factory->get(static_cast<GrContextFactory::GLContextType>(0));
|
|
SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context,
|
|
SkSurface::kNo_Budgeted,
|
|
SkImageInfo::MakeN32Premul(100, 100),
|
|
0,
|
|
&gProps));
|
|
test_crop_rects(device, reporter);
|
|
}
|
|
|
|
DEF_GPUTEST(HugeBlurImageFilterGPU, reporter, factory) {
|
|
GrContext* context = factory->get(static_cast<GrContextFactory::GLContextType>(0));
|
|
SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context,
|
|
SkSurface::kNo_Budgeted,
|
|
SkImageInfo::MakeN32Premul(100, 100),
|
|
0,
|
|
&gProps));
|
|
test_huge_blur(device, reporter);
|
|
}
|
|
|
|
DEF_GPUTEST(XfermodeImageFilterCroppedInputGPU, reporter, factory) {
|
|
GrContext* context = factory->get(static_cast<GrContextFactory::GLContextType>(0));
|
|
SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context,
|
|
SkSurface::kNo_Budgeted,
|
|
SkImageInfo::MakeN32Premul(1, 1),
|
|
0,
|
|
&gProps));
|
|
test_xfermode_cropped_input(device, reporter);
|
|
}
|
|
|
|
DEF_GPUTEST(TestNegativeBlurSigmaGPU, reporter, factory) {
|
|
GrContext* context = factory->get(static_cast<GrContextFactory::GLContextType>(0));
|
|
SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context,
|
|
SkSurface::kNo_Budgeted,
|
|
SkImageInfo::MakeN32Premul(1, 1),
|
|
0,
|
|
&gProps));
|
|
test_negative_blur_sigma(device, reporter);
|
|
}
|
|
#endif
|