blob: b3ee515415fad50969566fd802e5bcabf69e3ec7 [file] [log] [blame]
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stddef.h>
#include "cc/output/filter_operations.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/effects/SkBlurImageFilter.h"
#include "third_party/skia/include/effects/SkDropShadowImageFilter.h"
#include "third_party/skia/include/effects/SkOffsetImageFilter.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/rect.h"
namespace cc {
namespace {
TEST(FilterOperationsTest, GetOutsetsBlur) {
FilterOperations ops;
ops.Append(FilterOperation::CreateBlurFilter(20));
int top, right, bottom, left;
top = right = bottom = left = 0;
ops.GetOutsets(&top, &right, &bottom, &left);
EXPECT_EQ(60, top);
EXPECT_EQ(60, right);
EXPECT_EQ(60, bottom);
EXPECT_EQ(60, left);
}
TEST(FilterOperationsTest, MapRectBlur) {
FilterOperations ops;
ops.Append(FilterOperation::CreateBlurFilter(20));
EXPECT_EQ(gfx::Rect(-60, -60, 130, 130),
ops.MapRect(gfx::Rect(0, 0, 10, 10), SkMatrix::I()));
}
TEST(FilterOperationsTest, MapRectReverseBlur) {
FilterOperations ops;
ops.Append(FilterOperation::CreateBlurFilter(20));
EXPECT_EQ(gfx::Rect(-60, -60, 130, 130),
ops.MapRectReverse(gfx::Rect(0, 0, 10, 10), SkMatrix::I()));
}
TEST(FilterOperationsTest, GetOutsetsDropShadowReferenceFilter) {
// TODO(hendrikw): We need to make outsets for reference filters be in line
// with non-reference filters. See crbug.com/523534
FilterOperations ops;
ops.Append(
FilterOperation::CreateReferenceFilter(SkDropShadowImageFilter::Make(
SkIntToScalar(3), SkIntToScalar(8), SkIntToScalar(4),
SkIntToScalar(9), SK_ColorBLACK,
SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode,
nullptr)));
int top, right, bottom, left;
top = right = bottom = left = 0;
ops.GetOutsets(&top, &right, &bottom, &left);
EXPECT_EQ(35, top);
EXPECT_EQ(9, right);
EXPECT_EQ(19, bottom);
EXPECT_EQ(15, left);
}
TEST(FilterOperationsTest, MapRectDropShadowReferenceFilter) {
FilterOperations ops;
ops.Append(
FilterOperation::CreateReferenceFilter(SkDropShadowImageFilter::Make(
SkIntToScalar(3), SkIntToScalar(8), SkIntToScalar(4),
SkIntToScalar(9), SK_ColorBLACK,
SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode,
nullptr)));
EXPECT_EQ(gfx::Rect(-9, -19, 34, 64),
ops.MapRect(gfx::Rect(0, 0, 10, 10), SkMatrix::I()));
}
TEST(FilterOperationsTest, MapRectReverseDropShadowReferenceFilter) {
FilterOperations ops;
ops.Append(
FilterOperation::CreateReferenceFilter(SkDropShadowImageFilter::Make(
SkIntToScalar(3), SkIntToScalar(8), SkIntToScalar(4),
SkIntToScalar(9), SK_ColorBLACK,
SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode,
nullptr)));
EXPECT_EQ(gfx::Rect(-15, -35, 34, 64),
ops.MapRectReverse(gfx::Rect(0, 0, 10, 10), SkMatrix::I()));
}
TEST(FilterOperationsTest, MapRectOffsetReferenceFilter) {
sk_sp<SkImageFilter> filter = SkOffsetImageFilter::Make(30, 40, nullptr);
FilterOperations ops;
ops.Append(FilterOperation::CreateReferenceFilter(std::move(filter)));
EXPECT_EQ(gfx::Rect(30, 40, 10, 10),
ops.MapRect(gfx::Rect(0, 0, 10, 10), SkMatrix::I()));
}
TEST(FilterOperationsTest, MapRectReverseOffsetReferenceFilter) {
sk_sp<SkImageFilter> filter = SkOffsetImageFilter::Make(30, 40, nullptr);
FilterOperations ops;
ops.Append(FilterOperation::CreateReferenceFilter(std::move(filter)));
EXPECT_EQ(gfx::Rect(-30, -40, 10, 10),
ops.MapRectReverse(gfx::Rect(0, 0, 10, 10), SkMatrix::I()));
}
TEST(FilterOperationsTest, MapRectCombineNonCommutative) {
// Offsets by 100px in each axis, then scales the resulting image by 2.
FilterOperations ops;
ops.Append(FilterOperation::CreateReferenceFilter(
SkOffsetImageFilter::Make(100, 100, nullptr)));
SkMatrix scaleMatrix;
scaleMatrix.setScale(2, 2);
ops.Append(
FilterOperation::CreateReferenceFilter(SkImageFilter::MakeMatrixFilter(
scaleMatrix, kNone_SkFilterQuality, nullptr)));
EXPECT_EQ(gfx::Rect(200, 200, 20, 20),
ops.MapRect(gfx::Rect(10, 10), SkMatrix::I()));
}
TEST(FilterOperationsTest, MapRectReverseCombineNonCommutative) {
// Offsets by 100px in each axis, then scales the resulting image by 2.
FilterOperations ops;
ops.Append(FilterOperation::CreateReferenceFilter(
SkOffsetImageFilter::Make(100, 100, nullptr)));
SkMatrix scaleMatrix;
scaleMatrix.setScale(2, 2);
ops.Append(
FilterOperation::CreateReferenceFilter(SkImageFilter::MakeMatrixFilter(
scaleMatrix, kNone_SkFilterQuality, nullptr)));
EXPECT_EQ(gfx::Rect(10, 10),
ops.MapRectReverse(gfx::Rect(200, 200, 20, 20), SkMatrix::I()));
}
TEST(FilterOperationsTest, GetOutsetsNullReferenceFilter) {
FilterOperations ops;
ops.Append(FilterOperation::CreateReferenceFilter(nullptr));
int top, right, bottom, left;
top = right = bottom = left = 0;
ops.GetOutsets(&top, &right, &bottom, &left);
EXPECT_EQ(0, top);
EXPECT_EQ(0, right);
EXPECT_EQ(0, bottom);
EXPECT_EQ(0, left);
}
TEST(FilterOperationsTest, MapRectNullReferenceFilter) {
FilterOperations ops;
ops.Append(FilterOperation::CreateReferenceFilter(nullptr));
EXPECT_EQ(gfx::Rect(0, 0, 10, 10),
ops.MapRect(gfx::Rect(0, 0, 10, 10), SkMatrix::I()));
}
TEST(FilterOperationsTest, MapRectReverseNullReferenceFilter) {
FilterOperations ops;
ops.Append(FilterOperation::CreateReferenceFilter(nullptr));
EXPECT_EQ(gfx::Rect(0, 0, 10, 10),
ops.MapRectReverse(gfx::Rect(0, 0, 10, 10), SkMatrix::I()));
}
TEST(FilterOperationsTest, GetOutsetsDropShadow) {
FilterOperations ops;
ops.Append(FilterOperation::CreateDropShadowFilter(gfx::Point(3, 8), 20, 0));
int top, right, bottom, left;
top = right = bottom = left = 0;
ops.GetOutsets(&top, &right, &bottom, &left);
EXPECT_EQ(52, top);
EXPECT_EQ(63, right);
EXPECT_EQ(68, bottom);
EXPECT_EQ(57, left);
}
TEST(FilterOperationsTest, MapRectDropShadow) {
FilterOperations ops;
ops.Append(FilterOperation::CreateDropShadowFilter(gfx::Point(3, 8), 20, 0));
EXPECT_EQ(gfx::Rect(-57, -52, 130, 130),
ops.MapRect(gfx::Rect(0, 0, 10, 10), SkMatrix::I()));
}
TEST(FilterOperationsTest, MapRectReverseDropShadow) {
FilterOperations ops;
ops.Append(FilterOperation::CreateDropShadowFilter(gfx::Point(3, 8), 20, 0));
EXPECT_EQ(gfx::Rect(-63, -68, 130, 130),
ops.MapRectReverse(gfx::Rect(0, 0, 10, 10), SkMatrix::I()));
}
#define SAVE_RESTORE_AMOUNT(filter_name, filter_type, a) \
{ \
FilterOperation op = FilterOperation::Create##filter_name##Filter(a); \
EXPECT_EQ(FilterOperation::filter_type, op.type()); \
EXPECT_EQ(a, op.amount()); \
\
FilterOperation op2 = FilterOperation::CreateEmptyFilter(); \
op2.set_type(FilterOperation::filter_type); \
\
EXPECT_NE(a, op2.amount()); \
\
op2.set_amount(a); \
\
EXPECT_EQ(FilterOperation::filter_type, op2.type()); \
EXPECT_EQ(a, op2.amount()); \
}
#define SAVE_RESTORE_OFFSET_AMOUNT_COLOR(filter_name, filter_type, a, b, c) \
{ \
FilterOperation op = \
FilterOperation::Create##filter_name##Filter(a, b, c); \
EXPECT_EQ(FilterOperation::filter_type, op.type()); \
EXPECT_EQ(a, op.drop_shadow_offset()); \
EXPECT_EQ(b, op.amount()); \
EXPECT_EQ(c, op.drop_shadow_color()); \
\
FilterOperation op2 = FilterOperation::CreateEmptyFilter(); \
op2.set_type(FilterOperation::filter_type); \
\
EXPECT_NE(a, op2.drop_shadow_offset()); \
EXPECT_NE(b, op2.amount()); \
EXPECT_NE(c, op2.drop_shadow_color()); \
\
op2.set_drop_shadow_offset(a); \
op2.set_amount(b); \
op2.set_drop_shadow_color(c); \
\
EXPECT_EQ(FilterOperation::filter_type, op2.type()); \
EXPECT_EQ(a, op2.drop_shadow_offset()); \
EXPECT_EQ(b, op2.amount()); \
EXPECT_EQ(c, op2.drop_shadow_color()); \
}
#define SAVE_RESTORE_MATRIX(filter_name, filter_type, a) \
{ \
FilterOperation op = FilterOperation::Create##filter_name##Filter(a); \
EXPECT_EQ(FilterOperation::filter_type, op.type()); \
for (size_t i = 0; i < 20; ++i) \
EXPECT_EQ(a[i], op.matrix()[i]); \
\
FilterOperation op2 = FilterOperation::CreateEmptyFilter(); \
op2.set_type(FilterOperation::filter_type); \
\
for (size_t i = 0; i < 20; ++i) \
EXPECT_NE(a[i], op2.matrix()[i]); \
\
op2.set_matrix(a); \
\
EXPECT_EQ(FilterOperation::filter_type, op2.type()); \
for (size_t i = 0; i < 20; ++i) \
EXPECT_EQ(a[i], op.matrix()[i]); \
}
#define SAVE_RESTORE_AMOUNT_INSET(filter_name, filter_type, a, b) \
{ \
FilterOperation op = FilterOperation::Create##filter_name##Filter(a, b); \
EXPECT_EQ(FilterOperation::filter_type, op.type()); \
EXPECT_EQ(a, op.amount()); \
EXPECT_EQ(b, op.zoom_inset()); \
\
FilterOperation op2 = FilterOperation::CreateEmptyFilter(); \
op2.set_type(FilterOperation::filter_type); \
\
EXPECT_NE(a, op2.amount()); \
EXPECT_NE(b, op2.zoom_inset()); \
\
op2.set_amount(a); \
op2.set_zoom_inset(b); \
\
EXPECT_EQ(FilterOperation::filter_type, op2.type()); \
EXPECT_EQ(a, op2.amount()); \
EXPECT_EQ(b, op2.zoom_inset()); \
}
TEST(FilterOperationsTest, SaveAndRestore) {
SAVE_RESTORE_AMOUNT(Grayscale, GRAYSCALE, 0.6f);
SAVE_RESTORE_AMOUNT(Sepia, SEPIA, 0.6f);
SAVE_RESTORE_AMOUNT(Saturate, SATURATE, 0.6f);
SAVE_RESTORE_AMOUNT(HueRotate, HUE_ROTATE, 0.6f);
SAVE_RESTORE_AMOUNT(Invert, INVERT, 0.6f);
SAVE_RESTORE_AMOUNT(Brightness, BRIGHTNESS, 0.6f);
SAVE_RESTORE_AMOUNT(Contrast, CONTRAST, 0.6f);
SAVE_RESTORE_AMOUNT(Opacity, OPACITY, 0.6f);
SAVE_RESTORE_AMOUNT(Blur, BLUR, 0.6f);
SAVE_RESTORE_AMOUNT(SaturatingBrightness, SATURATING_BRIGHTNESS, 0.6f);
SAVE_RESTORE_OFFSET_AMOUNT_COLOR(
DropShadow, DROP_SHADOW, gfx::Point(3, 4), 0.4f, 0xffffff00);
SkScalar matrix[20] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
17, 18, 19, 20};
SAVE_RESTORE_MATRIX(ColorMatrix, COLOR_MATRIX, matrix);
SAVE_RESTORE_AMOUNT_INSET(Zoom, ZOOM, 0.5f, 32);
}
TEST(FilterOperationsTest, BlendGrayscaleFilters) {
FilterOperation from = FilterOperation::CreateGrayscaleFilter(0.25f);
FilterOperation to = FilterOperation::CreateGrayscaleFilter(0.75f);
FilterOperation blended = FilterOperation::Blend(&from, &to, -0.75);
FilterOperation expected = FilterOperation::CreateGrayscaleFilter(0.f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 0.75);
expected = FilterOperation::CreateGrayscaleFilter(0.625f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 1.8);
expected = FilterOperation::CreateGrayscaleFilter(1.f);
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendGrayscaleWithNull) {
FilterOperation filter = FilterOperation::CreateGrayscaleFilter(1.f);
FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25);
FilterOperation expected = FilterOperation::CreateGrayscaleFilter(0.75f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(NULL, &filter, 0.25);
expected = FilterOperation::CreateGrayscaleFilter(0.25f);
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendSepiaFilters) {
FilterOperation from = FilterOperation::CreateSepiaFilter(0.25f);
FilterOperation to = FilterOperation::CreateSepiaFilter(0.75f);
FilterOperation blended = FilterOperation::Blend(&from, &to, -0.75);
FilterOperation expected = FilterOperation::CreateSepiaFilter(0.f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 0.75);
expected = FilterOperation::CreateSepiaFilter(0.625f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 1.8);
expected = FilterOperation::CreateSepiaFilter(1.f);
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendSepiaWithNull) {
FilterOperation filter = FilterOperation::CreateSepiaFilter(1.f);
FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25);
FilterOperation expected = FilterOperation::CreateSepiaFilter(0.75f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(NULL, &filter, 0.25);
expected = FilterOperation::CreateSepiaFilter(0.25f);
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendSaturateFilters) {
FilterOperation from = FilterOperation::CreateSaturateFilter(0.25f);
FilterOperation to = FilterOperation::CreateSaturateFilter(0.75f);
FilterOperation blended = FilterOperation::Blend(&from, &to, -0.75);
FilterOperation expected = FilterOperation::CreateSaturateFilter(0.f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 0.75);
expected = FilterOperation::CreateSaturateFilter(0.625f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 2.0);
expected = FilterOperation::CreateSaturateFilter(1.25f);
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendSaturateWithNull) {
FilterOperation filter = FilterOperation::CreateSaturateFilter(0.f);
FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25);
FilterOperation expected = FilterOperation::CreateSaturateFilter(0.25f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(NULL, &filter, 0.25);
expected = FilterOperation::CreateSaturateFilter(0.75f);
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendHueRotateFilters) {
FilterOperation from = FilterOperation::CreateHueRotateFilter(3.f);
FilterOperation to = FilterOperation::CreateHueRotateFilter(7.f);
FilterOperation blended = FilterOperation::Blend(&from, &to, -0.75);
FilterOperation expected = FilterOperation::CreateHueRotateFilter(0.f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 0.75);
expected = FilterOperation::CreateHueRotateFilter(6.f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 1.5);
expected = FilterOperation::CreateHueRotateFilter(9.f);
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendHueRotateWithNull) {
FilterOperation filter = FilterOperation::CreateHueRotateFilter(1.f);
FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25);
FilterOperation expected = FilterOperation::CreateHueRotateFilter(0.75f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(NULL, &filter, 0.25);
expected = FilterOperation::CreateHueRotateFilter(0.25f);
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendInvertFilters) {
FilterOperation from = FilterOperation::CreateInvertFilter(0.25f);
FilterOperation to = FilterOperation::CreateInvertFilter(0.75f);
FilterOperation blended = FilterOperation::Blend(&from, &to, -0.75);
FilterOperation expected = FilterOperation::CreateInvertFilter(0.f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 0.75);
expected = FilterOperation::CreateInvertFilter(0.625f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 1.8);
expected = FilterOperation::CreateInvertFilter(1.f);
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendInvertWithNull) {
FilterOperation filter = FilterOperation::CreateInvertFilter(1.f);
FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25);
FilterOperation expected = FilterOperation::CreateInvertFilter(0.75f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(NULL, &filter, 0.25);
expected = FilterOperation::CreateInvertFilter(0.25f);
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendBrightnessFilters) {
FilterOperation from = FilterOperation::CreateBrightnessFilter(3.f);
FilterOperation to = FilterOperation::CreateBrightnessFilter(7.f);
FilterOperation blended = FilterOperation::Blend(&from, &to, -0.9);
FilterOperation expected = FilterOperation::CreateBrightnessFilter(0.f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 0.75);
expected = FilterOperation::CreateBrightnessFilter(6.f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 1.5);
expected = FilterOperation::CreateBrightnessFilter(9.f);
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendBrightnessWithNull) {
FilterOperation filter = FilterOperation::CreateBrightnessFilter(0.f);
FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25);
FilterOperation expected = FilterOperation::CreateBrightnessFilter(0.25f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(NULL, &filter, 0.25);
expected = FilterOperation::CreateBrightnessFilter(0.75f);
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendContrastFilters) {
FilterOperation from = FilterOperation::CreateContrastFilter(3.f);
FilterOperation to = FilterOperation::CreateContrastFilter(7.f);
FilterOperation blended = FilterOperation::Blend(&from, &to, -0.9);
FilterOperation expected = FilterOperation::CreateContrastFilter(0.f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 0.75);
expected = FilterOperation::CreateContrastFilter(6.f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 1.5);
expected = FilterOperation::CreateContrastFilter(9.f);
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendContrastWithNull) {
FilterOperation filter = FilterOperation::CreateContrastFilter(0.f);
FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25);
FilterOperation expected = FilterOperation::CreateContrastFilter(0.25f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(NULL, &filter, 0.25);
expected = FilterOperation::CreateContrastFilter(0.75f);
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendOpacityFilters) {
FilterOperation from = FilterOperation::CreateOpacityFilter(0.25f);
FilterOperation to = FilterOperation::CreateOpacityFilter(0.75f);
FilterOperation blended = FilterOperation::Blend(&from, &to, -0.75);
FilterOperation expected = FilterOperation::CreateOpacityFilter(0.f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 0.75);
expected = FilterOperation::CreateOpacityFilter(0.625f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 1.8);
expected = FilterOperation::CreateOpacityFilter(1.f);
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendOpacityWithNull) {
FilterOperation filter = FilterOperation::CreateOpacityFilter(0.f);
FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25);
FilterOperation expected = FilterOperation::CreateOpacityFilter(0.25f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(NULL, &filter, 0.25);
expected = FilterOperation::CreateOpacityFilter(0.75f);
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendBlurFilters) {
FilterOperation from = FilterOperation::CreateBlurFilter(3.f);
FilterOperation to = FilterOperation::CreateBlurFilter(7.f);
FilterOperation blended = FilterOperation::Blend(&from, &to, -0.9);
FilterOperation expected = FilterOperation::CreateBlurFilter(0.f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 0.75);
expected = FilterOperation::CreateBlurFilter(6.f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 1.5);
expected = FilterOperation::CreateBlurFilter(9.f);
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendBlurWithNull) {
FilterOperation filter = FilterOperation::CreateBlurFilter(1.f);
FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25);
FilterOperation expected = FilterOperation::CreateBlurFilter(0.75f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(NULL, &filter, 0.25);
expected = FilterOperation::CreateBlurFilter(0.25f);
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendDropShadowFilters) {
FilterOperation from = FilterOperation::CreateDropShadowFilter(
gfx::Point(0, 0), 2.f, SkColorSetARGB(15, 34, 68, 136));
FilterOperation to = FilterOperation::CreateDropShadowFilter(
gfx::Point(3, 5), 6.f, SkColorSetARGB(51, 30, 60, 120));
FilterOperation blended = FilterOperation::Blend(&from, &to, -0.75);
FilterOperation expected = FilterOperation::CreateDropShadowFilter(
gfx::Point(-2, -4), 0.f, SkColorSetARGB(0, 0, 0, 0));
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 0.25);
expected = FilterOperation::CreateDropShadowFilter(
gfx::Point(1, 1), 3.f, SkColorSetARGB(24, 32, 64, 128));
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 0.75);
expected = FilterOperation::CreateDropShadowFilter(
gfx::Point(2, 4), 5.f, SkColorSetARGB(42, 30, 61, 121));
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 1.5);
expected = FilterOperation::CreateDropShadowFilter(
gfx::Point(5, 8), 8.f, SkColorSetARGB(69, 30, 59, 118));
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendDropShadowWithNull) {
FilterOperation filter = FilterOperation::CreateDropShadowFilter(
gfx::Point(4, 4), 4.f, SkColorSetARGB(255, 40, 0, 0));
FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25);
FilterOperation expected = FilterOperation::CreateDropShadowFilter(
gfx::Point(3, 3), 3.f, SkColorSetARGB(191, 40, 0, 0));
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(NULL, &filter, 0.25);
expected = FilterOperation::CreateDropShadowFilter(
gfx::Point(1, 1), 1.f, SkColorSetARGB(64, 40, 0, 0));
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendZoomFilters) {
FilterOperation from = FilterOperation::CreateZoomFilter(2.f, 3);
FilterOperation to = FilterOperation::CreateZoomFilter(6.f, 0);
FilterOperation blended = FilterOperation::Blend(&from, &to, -0.75);
FilterOperation expected = FilterOperation::CreateZoomFilter(1.f, 5);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 0.75);
expected = FilterOperation::CreateZoomFilter(5.f, 1);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 1.5);
expected = FilterOperation::CreateZoomFilter(8.f, 0);
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendZoomWithNull) {
FilterOperation filter = FilterOperation::CreateZoomFilter(2.f, 1);
FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25);
FilterOperation expected = FilterOperation::CreateZoomFilter(1.75f, 1);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(NULL, &filter, 0.25);
expected = FilterOperation::CreateZoomFilter(1.25f, 0);
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendSaturatingBrightnessFilters) {
FilterOperation from = FilterOperation::CreateSaturatingBrightnessFilter(3.f);
FilterOperation to = FilterOperation::CreateSaturatingBrightnessFilter(7.f);
FilterOperation blended = FilterOperation::Blend(&from, &to, -0.75);
FilterOperation expected =
FilterOperation::CreateSaturatingBrightnessFilter(0.f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 0.75);
expected = FilterOperation::CreateSaturatingBrightnessFilter(6.f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(&from, &to, 1.5);
expected = FilterOperation::CreateSaturatingBrightnessFilter(9.f);
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendSaturatingBrightnessWithNull) {
FilterOperation filter =
FilterOperation::CreateSaturatingBrightnessFilter(1.f);
FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25);
FilterOperation expected =
FilterOperation::CreateSaturatingBrightnessFilter(0.75f);
EXPECT_EQ(expected, blended);
blended = FilterOperation::Blend(NULL, &filter, 0.25);
expected = FilterOperation::CreateSaturatingBrightnessFilter(0.25f);
EXPECT_EQ(expected, blended);
}
TEST(FilterOperationsTest, BlendReferenceFilters) {
sk_sp<SkImageFilter> from_filter(SkBlurImageFilter::Make(1.f, 1.f, nullptr));
sk_sp<SkImageFilter> to_filter(SkBlurImageFilter::Make(2.f, 2.f, nullptr));
FilterOperation from =
FilterOperation::CreateReferenceFilter(std::move(from_filter));
FilterOperation to =
FilterOperation::CreateReferenceFilter(std::move(to_filter));
FilterOperation blended = FilterOperation::Blend(&from, &to, -0.75);
EXPECT_EQ(from, blended);
blended = FilterOperation::Blend(&from, &to, 0.5);
EXPECT_EQ(from, blended);
blended = FilterOperation::Blend(&from, &to, 0.6);
EXPECT_EQ(to, blended);
blended = FilterOperation::Blend(&from, &to, 1.5);
EXPECT_EQ(to, blended);
}
TEST(FilterOperationsTest, BlendReferenceWithNull) {
sk_sp<SkImageFilter> image_filter(SkBlurImageFilter::Make(1.f, 1.f, nullptr));
FilterOperation filter =
FilterOperation::CreateReferenceFilter(std::move(image_filter));
FilterOperation null_filter = FilterOperation::CreateReferenceFilter(nullptr);
FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25);
EXPECT_EQ(filter, blended);
blended = FilterOperation::Blend(&filter, NULL, 0.75);
EXPECT_EQ(null_filter, blended);
blended = FilterOperation::Blend(NULL, &filter, 0.25);
EXPECT_EQ(null_filter, blended);
blended = FilterOperation::Blend(NULL, &filter, 0.75);
EXPECT_EQ(filter, blended);
}
// Tests blending non-empty sequences that have the same length and matching
// operations.
TEST(FilterOperationsTest, BlendMatchingSequences) {
FilterOperations from;
FilterOperations to;
from.Append(FilterOperation::CreateBlurFilter(0.f));
to.Append(FilterOperation::CreateBlurFilter(2.f));
from.Append(FilterOperation::CreateSaturateFilter(4.f));
to.Append(FilterOperation::CreateSaturateFilter(0.f));
from.Append(FilterOperation::CreateZoomFilter(2.0f, 1));
to.Append(FilterOperation::CreateZoomFilter(10.f, 9));
FilterOperations blended = to.Blend(from, -0.75);
FilterOperations expected;
expected.Append(FilterOperation::CreateBlurFilter(0.f));
expected.Append(FilterOperation::CreateSaturateFilter(7.f));
expected.Append(FilterOperation::CreateZoomFilter(1.f, 0));
EXPECT_EQ(blended, expected);
blended = to.Blend(from, 0.75);
expected.Clear();
expected.Append(FilterOperation::CreateBlurFilter(1.5f));
expected.Append(FilterOperation::CreateSaturateFilter(1.f));
expected.Append(FilterOperation::CreateZoomFilter(8.f, 7));
EXPECT_EQ(blended, expected);
blended = to.Blend(from, 1.5);
expected.Clear();
expected.Append(FilterOperation::CreateBlurFilter(3.f));
expected.Append(FilterOperation::CreateSaturateFilter(0.f));
expected.Append(FilterOperation::CreateZoomFilter(14.f, 13));
EXPECT_EQ(blended, expected);
}
TEST(FilterOperationsTest, BlendEmptyAndNonEmptySequences) {
FilterOperations empty;
FilterOperations filters;
filters.Append(FilterOperation::CreateGrayscaleFilter(0.75f));
filters.Append(FilterOperation::CreateBrightnessFilter(2.f));
filters.Append(FilterOperation::CreateHueRotateFilter(10.0f));
FilterOperations blended = empty.Blend(filters, -0.75);
FilterOperations expected;
expected.Append(FilterOperation::CreateGrayscaleFilter(1.f));
expected.Append(FilterOperation::CreateBrightnessFilter(2.75f));
expected.Append(FilterOperation::CreateHueRotateFilter(17.5f));
EXPECT_EQ(blended, expected);
blended = empty.Blend(filters, 0.75);
expected.Clear();
expected.Append(FilterOperation::CreateGrayscaleFilter(0.1875f));
expected.Append(FilterOperation::CreateBrightnessFilter(1.25f));
expected.Append(FilterOperation::CreateHueRotateFilter(2.5f));
EXPECT_EQ(blended, expected);
blended = empty.Blend(filters, 1.5);
expected.Clear();
expected.Append(FilterOperation::CreateGrayscaleFilter(0.f));
expected.Append(FilterOperation::CreateBrightnessFilter(0.5f));
expected.Append(FilterOperation::CreateHueRotateFilter(-5.f));
EXPECT_EQ(blended, expected);
blended = filters.Blend(empty, -0.75);
expected.Clear();
expected.Append(FilterOperation::CreateGrayscaleFilter(0.f));
expected.Append(FilterOperation::CreateBrightnessFilter(0.25f));
expected.Append(FilterOperation::CreateHueRotateFilter(-7.5f));
EXPECT_EQ(blended, expected);
blended = filters.Blend(empty, 0.75);
expected.Clear();
expected.Append(FilterOperation::CreateGrayscaleFilter(0.5625f));
expected.Append(FilterOperation::CreateBrightnessFilter(1.75f));
expected.Append(FilterOperation::CreateHueRotateFilter(7.5f));
EXPECT_EQ(blended, expected);
blended = filters.Blend(empty, 1.5);
expected.Clear();
expected.Append(FilterOperation::CreateGrayscaleFilter(1.f));
expected.Append(FilterOperation::CreateBrightnessFilter(2.5f));
expected.Append(FilterOperation::CreateHueRotateFilter(15.f));
EXPECT_EQ(blended, expected);
}
TEST(FilterOperationsTest, BlendEmptySequences) {
FilterOperations empty;
FilterOperations blended = empty.Blend(empty, -0.75);
EXPECT_EQ(blended, empty);
blended = empty.Blend(empty, 0.75);
EXPECT_EQ(blended, empty);
blended = empty.Blend(empty, 1.5);
EXPECT_EQ(blended, empty);
}
// Tests blending non-empty sequences that have non-matching operations.
TEST(FilterOperationsTest, BlendNonMatchingSequences) {
FilterOperations from;
FilterOperations to;
from.Append(FilterOperation::CreateSaturateFilter(3.f));
from.Append(FilterOperation::CreateBlurFilter(2.f));
to.Append(FilterOperation::CreateSaturateFilter(4.f));
to.Append(FilterOperation::CreateHueRotateFilter(0.5f));
FilterOperations blended = to.Blend(from, -0.75);
EXPECT_EQ(to, blended);
blended = to.Blend(from, 0.75);
EXPECT_EQ(to, blended);
blended = to.Blend(from, 1.5);
EXPECT_EQ(to, blended);
}
// Tests blending non-empty sequences of different sizes.
TEST(FilterOperationsTest, BlendRaggedSequences) {
FilterOperations from;
FilterOperations to;
from.Append(FilterOperation::CreateSaturateFilter(3.f));
from.Append(FilterOperation::CreateBlurFilter(2.f));
to.Append(FilterOperation::CreateSaturateFilter(4.f));
FilterOperations blended = to.Blend(from, -0.75);
FilterOperations expected;
expected.Append(FilterOperation::CreateSaturateFilter(2.25f));
expected.Append(FilterOperation::CreateBlurFilter(3.5f));
EXPECT_EQ(expected, blended);
blended = to.Blend(from, 0.75);
expected.Clear();
expected.Append(FilterOperation::CreateSaturateFilter(3.75f));
expected.Append(FilterOperation::CreateBlurFilter(0.5f));
EXPECT_EQ(expected, blended);
blended = to.Blend(from, 1.5);
expected.Clear();
expected.Append(FilterOperation::CreateSaturateFilter(4.5f));
expected.Append(FilterOperation::CreateBlurFilter(0.f));
EXPECT_EQ(expected, blended);
from.Append(FilterOperation::CreateOpacityFilter(1.f));
to.Append(FilterOperation::CreateOpacityFilter(1.f));
blended = to.Blend(from, -0.75);
EXPECT_EQ(to, blended);
blended = to.Blend(from, 0.75);
EXPECT_EQ(to, blended);
blended = to.Blend(from, 1.5);
EXPECT_EQ(to, blended);
}
} // namespace
} // namespace cc