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// Copyright 2020 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 "third_party/blink/renderer/platform/fonts/mac/font_platform_data_mac.h"
#include "third_party/blink/renderer/platform/fonts/mac/font_matcher_mac.h"
#include "base/mac/foundation_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/platform/font_family_names.h"
#include "third_party/skia/include/core/SkTypeface.h"
#include "third_party/skia/include/ports/SkTypeface_mac.h"
namespace blink {
namespace {
constexpr SkFourByteTag kOpszTag = SkSetFourByteTag('o', 'p', 's', 'z');
constexpr SkFourByteTag kWghtTag = SkSetFourByteTag('w', 'g', 'h', 't');
sk_sp<SkTypeface> MakeSystemFontOfSize(float size) {
return SkMakeTypefaceFromCTFont(base::mac::NSToCFCast(MatchNSFontFamily(
font_family_names::kSystemUi, 0, FontSelectionValue(400), size)));
}
}
TEST(FontPlatformDataMacTest, VariableOpticalSizingThreshold) {
// Before macOS 10.15, the system font did not have variable optical sizing.
// In 10.15, the system font has two optical sizes glued together at 19.9. In
// 11.0, the system font has a real optical size axis with range 17-96.
// Below the 11.0 axis minimum.
sk_sp<SkTypeface> system_font(MakeSystemFontOfSize(12));
if (@available(macOS 11.0, *)) {
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 6));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 12));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 17));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 18));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 19));
EXPECT_TRUE(
VariableAxisChangeEffective(system_font.get(), kOpszTag, 19.8999));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 20));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 24));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 72));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 96));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 97));
} else if (@available(macOS 10.15, *)) {
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 6));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 12));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 17));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 18));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 19));
EXPECT_FALSE(
VariableAxisChangeEffective(system_font.get(), kOpszTag, 19.8999));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 20));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 24));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 72));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 96));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 97));
} else {
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 6));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 12));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 17));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 18));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 19));
EXPECT_FALSE(
VariableAxisChangeEffective(system_font.get(), kOpszTag, 19.8999));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 20));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 24));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 72));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 96));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 97));
}
// Just smaller than the switch-over size in 10.15, which is 19.9.
system_font = MakeSystemFontOfSize(19);
if (@available(macOS 11.0, *)) {
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 6));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 12));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 17));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 18));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 19));
EXPECT_TRUE(
VariableAxisChangeEffective(system_font.get(), kOpszTag, 19.8999));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 20));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 24));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 72));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 96));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 97));
} else if (@available(macOS 10.15, *)) {
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 6));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 12));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 17));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 18));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 19));
EXPECT_FALSE(
VariableAxisChangeEffective(system_font.get(), kOpszTag, 19.8999));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 20));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 24));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 72));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 96));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 97));
} else {
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 6));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 12));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 17));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 18));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 19));
EXPECT_FALSE(
VariableAxisChangeEffective(system_font.get(), kOpszTag, 19.8999));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 20));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 24));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 72));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 96));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 97));
}
// Just larger than the switch-over size in 10.15, which is 19.9.
system_font = MakeSystemFontOfSize(20);
if (@available(macOS 11.0, *)) {
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 6));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 12));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 17));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 18));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 19));
EXPECT_TRUE(
VariableAxisChangeEffective(system_font.get(), kOpszTag, 19.8999));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 20));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 24));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 72));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 96));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 97));
} else if (@available(macOS 10.15, *)) {
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 6));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 12));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 17));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 18));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 19));
EXPECT_TRUE(
VariableAxisChangeEffective(system_font.get(), kOpszTag, 19.8999));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 20));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 24));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 72));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 96));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 97));
} else {
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 6));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 12));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 17));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 18));
EXPECT_FALSE(
VariableAxisChangeEffective(system_font.get(), kOpszTag, 19.8999));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 19));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 20));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 24));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 72));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 96));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 97));
}
// Above the 11.0 axis maximum.
system_font = MakeSystemFontOfSize(128);
if (@available(macOS 11.0, *)) {
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 6));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 12));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 17));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 18));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 19));
EXPECT_TRUE(
VariableAxisChangeEffective(system_font.get(), kOpszTag, 19.8999));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 20));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 24));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 72));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 96));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 97));
} else if (@available(macOS 10.15, *)) {
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 6));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 12));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 17));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 18));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 19));
EXPECT_TRUE(
VariableAxisChangeEffective(system_font.get(), kOpszTag, 19.8999));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 20));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 24));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 72));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 96));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 97));
} else {
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 6));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 12));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 17));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 18));
EXPECT_FALSE(
VariableAxisChangeEffective(system_font.get(), kOpszTag, 19.8999));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 19));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 20));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 24));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 72));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 96));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kOpszTag, 97));
}
}
TEST(FontPlatformDataMacTest, VariableWeight) {
if (@available(macOS 10.13, *)) {
sk_sp<SkTypeface> system_font(MakeSystemFontOfSize(19));
EXPECT_FALSE(VariableAxisChangeEffective(system_font.get(), kWghtTag, 400));
EXPECT_TRUE(
VariableAxisChangeEffective(system_font.get(), kWghtTag, 400.5));
EXPECT_TRUE(
VariableAxisChangeEffective(system_font.get(), kWghtTag, 395.5));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kWghtTag, 2000));
EXPECT_TRUE(VariableAxisChangeEffective(system_font.get(), kWghtTag, 0));
}
}
TEST(FontPlatformDataMacTest, VariableWeightClamped) {
if (@available(macOS 10.13, *)) {
sk_sp<SkTypeface> system_font(MakeSystemFontOfSize(19));
SkFontArguments::VariationPosition::Coordinate coordinates[1] = {
{kWghtTag, 1000}};
SkFontArguments::VariationPosition variation_design_position_black{
coordinates, 1};
sk_sp<SkTypeface> black_typeface(
system_font->makeClone(SkFontArguments().setVariationDesignPosition(
variation_design_position_black)));
EXPECT_FALSE(
VariableAxisChangeEffective(black_typeface.get(), kWghtTag, 1001));
EXPECT_FALSE(
VariableAxisChangeEffective(black_typeface.get(), kWghtTag, 10000));
EXPECT_TRUE(
VariableAxisChangeEffective(black_typeface.get(), kWghtTag, 999));
coordinates[0].value = 1;
SkFontArguments::VariationPosition variation_design_position_thin{
coordinates, 1};
sk_sp<SkTypeface> thin_typeface(
system_font->makeClone(SkFontArguments().setVariationDesignPosition(
variation_design_position_thin)));
EXPECT_FALSE(VariableAxisChangeEffective(thin_typeface.get(), kWghtTag, 0));
EXPECT_FALSE(
VariableAxisChangeEffective(thin_typeface.get(), kWghtTag, -1));
EXPECT_TRUE(VariableAxisChangeEffective(thin_typeface.get(), kWghtTag, 2));
}
}
}
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