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#include <QuickLook/QuickLook.h>
#include <Cocoa/Cocoa.h>
#include "get_image_for_rom.h"
OSStatus GBQuickLookRender(CGContextRef cgContext, CFURLRef url, bool showBorder)
{
/* Load the template NSImages when generating the first thumbnail */
static NSImage *template = nil;
static NSImage *templateUniversal = nil;
static NSImage *templateColor = nil;
static NSBundle *bundle = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
bundle = [NSBundle bundleForClass:NSClassFromString(@"GBPanel")];
});
if (showBorder) {
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
template = [[NSImage alloc] initWithContentsOfFile:[bundle pathForResource:@"CartridgeTemplate" ofType:@"png"]];
templateUniversal = [[NSImage alloc] initWithContentsOfFile:[bundle pathForResource:@"UniversalCartridgeTemplate" ofType:@"png"]];
templateColor = [[NSImage alloc] initWithContentsOfFile:[bundle pathForResource:@"ColorCartridgeTemplate" ofType:@"png"]];
});
}
uint32_t bitmap[160*144];
uint8_t cgbFlag = 0;
/* The cgb_boot_fast boot ROM skips the boot animation */
if (get_image_for_rom([[(__bridge NSURL *)url path] UTF8String],
[[bundle pathForResource:@"cgb_boot_fast" ofType:@"bin"] UTF8String],
bitmap, &cgbFlag)) {
return -1;
}
/* Convert the screenshot to a CGImageRef */
CGDataProviderRef provider = CGDataProviderCreateWithData(NULL, bitmap, sizeof(bitmap), NULL);
CGColorSpaceRef colorSpaceRef = CGColorSpaceCreateDeviceRGB();
CGBitmapInfo bitmapInfo = kCGBitmapByteOrderDefault | kCGImageAlphaNoneSkipLast;
CGColorRenderingIntent renderingIntent = kCGRenderingIntentDefault;
CGImageRef iref = CGImageCreate(160,
144,
8,
32,
4 * 160,
colorSpaceRef,
bitmapInfo,
provider,
NULL,
true,
renderingIntent);
CGContextSetInterpolationQuality(cgContext, kCGInterpolationNone);
NSGraphicsContext *context = [NSGraphicsContext graphicsContextWithGraphicsPort:(void *)cgContext flipped:false];
[NSGraphicsContext setCurrentContext:context];
double ratio = CGBitmapContextGetWidth(cgContext) / 1024.0;
/* Convert the screenshot to a magnified NSImage */
NSImage *screenshot = [[NSImage alloc] initWithCGImage:iref size:NSMakeSize(160, 144)];
/* Draw the screenshot */
if (showBorder) {
[screenshot drawInRect:NSMakeRect(192 * ratio, 150 * ratio, 640 * ratio, 576 * ratio)];
}
else {
[screenshot drawInRect:NSMakeRect(0, 0, 640, 576)];
}
if (showBorder) {
/* Use the CGB flag to determine the cartridge "look":
- DMG cartridges are grey
- CGB cartridges are transparent
- CGB cartridges that support DMG systems are black
*/
NSImage *effectiveTemplate = nil;
switch (cgbFlag) {
case 0xC0:
effectiveTemplate = templateColor;
break;
case 0x80:
effectiveTemplate = templateUniversal;
break;
default:
effectiveTemplate = template;
}
CGContextSetInterpolationQuality(cgContext, kCGInterpolationMedium);
/* Mask it with the template (The middle part of the template image is transparent) */
[effectiveTemplate drawInRect:(NSRect){{0, 0}, {CGBitmapContextGetWidth(cgContext), CGBitmapContextGetHeight(cgContext)}}];
}
CGColorSpaceRelease(colorSpaceRef);
CGDataProviderRelease(provider);
CGImageRelease(iref);
return noErr;
}
OSStatus GeneratePreviewForURL(void *thisInterface, QLPreviewRequestRef preview, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options)
{
@autoreleasepool {
CGContextRef cgContext = QLPreviewRequestCreateContext(preview, ((NSSize){640, 576}), true, nil);
if (GBQuickLookRender(cgContext, url, false) == noErr) {
QLPreviewRequestFlushContext(preview, cgContext);
CGContextRelease(cgContext);
return noErr;
}
CGContextRelease(cgContext);
return -1;
}
}
OSStatus GenerateThumbnailForURL(void *thisInterface, QLThumbnailRequestRef thumbnail, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options, CGSize maxSize)
{
extern NSString *kQLThumbnailPropertyIconFlavorKey;
@autoreleasepool {
CGContextRef cgContext = QLThumbnailRequestCreateContext(thumbnail, ((NSSize){1024, 1024}), true, (__bridge CFDictionaryRef)(@{kQLThumbnailPropertyIconFlavorKey : @(0)}));
if (GBQuickLookRender(cgContext, url, true) == noErr) {
QLThumbnailRequestFlushContext(thumbnail, cgContext);
CGContextRelease(cgContext);
return noErr;
}
CGContextRelease(cgContext);
return -1;
}
}
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