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LibGfx+icc: ICCProfile's primary_platform() should be optional

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Found by running `icc` on a jpeg file produced by a Pixel phone
after #17195.
This commit is contained in:
Nico Weber 2023-01-26 16:25:48 -05:00 committed by Linus Groh
parent 3cd04f40e1
commit 87f1a0e957
Notes: sideshowbarker 2024-07-18 02:13:10 +09:00 
Author: https://github.com/nico
Commit: https://github.com/SerenityOS/serenity/commit/87f1a0e957
Pull-request: https://github.com/SerenityOS/serenity/pull/17197
3 changed files with 8 additions and 4 deletions
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6
Userland/Libraries/LibGfx/ICCProfile.cpp
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@ -243,9 +243,13 @@ ErrorOr<void> parse_file_signature(ICCHeader const& header)
return {};
}
ErrorOr<PrimaryPlatform> parse_primary_platform(ICCHeader const& header)
ErrorOr<Optional<PrimaryPlatform>> parse_primary_platform(ICCHeader const& header)
{
// ICC v4, 7.2.10 Primary platform field
// "If there is no primary platform identified, this field shall be set to zero (00000000h)."
if (header.primary_platform == PrimaryPlatform { 0 })
return OptionalNone {};
switch (header.primary_platform) {
case PrimaryPlatform::Apple:
case PrimaryPlatform::Microsoft:

4
Userland/Libraries/LibGfx/ICCProfile.h
View file

@ -572,7 +572,7 @@ public:
u32 on_disk_size() const { return m_on_disk_size; }
time_t creation_timestamp() const { return m_creation_timestamp; }
PrimaryPlatform primary_platform() const { return m_primary_platform; }
Optional<PrimaryPlatform> primary_platform() const { return m_primary_platform; }
Flags flags() const { return m_flags; }
Optional<DeviceManufacturer> device_manufacturer() const { return m_device_manufacturer; }
Optional<DeviceModel> device_model() const { return m_device_model; }
@ -609,7 +609,7 @@ private:
ColorSpace m_data_color_space {};
ColorSpace m_connection_space {};
time_t m_creation_timestamp { 0 };
PrimaryPlatform m_primary_platform {};
Optional<PrimaryPlatform> m_primary_platform {};
Flags m_flags;
Optional<DeviceManufacturer> m_device_manufacturer;
Optional<DeviceModel> m_device_model;

2
Userland/Utilities/icc.cpp
View file

@ -44,7 +44,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
outln(" data color space: {}", Gfx::ICC::data_color_space_name(profile->data_color_space()));
outln(" connection space: {}", Gfx::ICC::profile_connection_space_name(profile->connection_space()));
outln("creation date and time: {}", Core::DateTime::from_timestamp(profile->creation_timestamp()));
outln(" primary platform: {}", Gfx::ICC::primary_platform_name(profile->primary_platform()));
out_optional(" primary platform", profile->primary_platform().map([](auto platform) { return primary_platform_name(platform); }));
auto flags = profile->flags();
outln(" flags: 0x{:08x}", flags.bits());