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9c762b9650
CMYK data describes which inks a printer should use to print a color. If a screen should display a color that's supposed to look similar to what the printer produces, it results in a color very different to what Color::from_cmyk() produces. (It's also printer-dependent.) There are many ICC profiles describing printing processes. It doesn't matter too much which one we use -- most of them look somewhat similar, and they all look dramatically better than Color::from_cmyk(). This patch adds a function to download a zip file that Adobe offers on their web site. They even have a page for redistribution: https://www.adobe.com/support/downloads/iccprofiles/icc_eula_win_dist.html (That one leads to a broken download though, so this downloads the end-user version.) In case we have to move off this download at some point, there are also a whole bunch of profiles at https://www.color.org/registry/index.xalter that "may be used, embedded, exchanged, and shared without restriction". The adobe zip contains a whole bunch of other useful and fun profiles, so I went with it. For now, this only unzips the USWebCoatedSWOP.icc file though, and installs it in ${CMAKE_BINARY_DIR}/Root/res/icc/Adobe/CMYK/. In Serenity builds, this will make it to /res/icc/Adobe/CMYK in the disk image. And in lagom build, after #23016 this is the lagom res staging directory that tools can install via Core::ResourceImplementation. `pdf` and `MacPDF` already do that, `TestPDF` now does it too. The final piece is that LibPDF then loads the profile from there and uses it for DeviceCMYK color conversions. (Doing file access from the bowels of a library is a bit weird, especially in a system that has sandboxing built in. But LibGfx does that in FontDatabase too already, and LibPDF uses that, so it's not a new problem.)
47 lines
1.4 KiB
Text
47 lines
1.4 KiB
Text
/*
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* Copyright (c) 2023, Nico Weber <thakis@chromium.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#import "AppDelegate.h"
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#include <LibCore/ResourceImplementationFile.h>
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@interface AppDelegate ()
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@property (strong) IBOutlet NSWindow* window;
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@end
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@implementation AppDelegate
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- (void)applicationDidFinishLaunching:(NSNotification*)aNotification
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{
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// FIXME: Copy fonts and icc file to the bundle or something
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// Get from `Build/lagom/bin/MacPDF.app/Contents/MacOS/MacPDF` to `Build/lagom/Root/res`.
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NSString* source_root = [[NSBundle mainBundle] executablePath];
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for (int i = 0; i < 5; ++i)
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source_root = [source_root stringByDeletingLastPathComponent];
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auto source_root_string = ByteString([source_root UTF8String]);
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Core::ResourceImplementation::install(make<Core::ResourceImplementationFile>(MUST(String::formatted("{}/Root/res", source_root_string))));
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}
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- (void)applicationWillTerminate:(NSNotification*)aNotification
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{
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}
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- (BOOL)applicationSupportsSecureRestorableState:(NSApplication*)app
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{
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return YES;
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}
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- (BOOL)application:(NSApplication*)sender openFile:(NSString*)filename
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{
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[[NSDocumentController sharedDocumentController]
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openDocumentWithContentsOfURL:[NSURL fileURLWithPath:filename]
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display:YES
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completionHandler:^(NSDocument*, BOOL, NSError*) {}];
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return YES;
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}
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@end
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