OSStatus GenerateThumbnailForURL(void *thisInterface, QLThumbnailRequestRef thumbnail, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options, CGSize maxSize)
{
// load the actual file
CFDataRef fileData = nil;
CFDictionaryRef propertyDictionary = nil;
SInt32 errorCode;
if (CFURLCreateDataAndPropertiesFromResource(NULL, url, &fileData, &propertyDictionary, nil, &errorCode)) {
CFIndex dataLength = CFDataGetLength(fileData);
UInt8 *bytes = (UInt8 *)CFDataGetBytePtr(fileData);
long pages = dataLength / ONE_LCD_FRAME_BYTESIZE;
CGSize lcdSize = CGSizeMake(LCD_FRAME_PIXEL_WIDTH, LCD_FRAME_PIXEL_HEIGHT * pages);
CGContextRef cgContext = QLThumbnailRequestCreateContext(thumbnail, lcdSize, true, NULL);
if(cgContext) {
CGColorRef lcdForegroundColor = CGColorCreateGenericRGB(0.467, 0.522, 0.047, 1.000);
CGColorRef lcdBackgroundColor = CGColorCreateGenericRGB(0.227, 0.192, 0.000, 1.000);
CGContextSetFillColorWithColor(cgContext, lcdBackgroundColor);
CGContextFillRect(cgContext, CGRectMake(0,0,lcdSize.width,lcdSize.height));
CGPoint origin = CGPointMake(0,0);
while (pages-- > 0) {
CGContextSetFillColorWithColor(cgContext, lcdForegroundColor);
// CGContextFillRect(cgContext, CGRectMake(origin.x,origin.y,10,10));
for (int y=0;y<9;y++) {
for (int x=0; x < LCD_FRAME_PIXEL_WIDTH; x++) {
UInt8 byte = bytes[y*LCD_FRAME_PIXEL_WIDTH + (LCD_FRAME_PIXEL_WIDTH - x - 1)];
if (byte > 0) {
UInt8 byteMask = 1;
for (int littleY = 0; littleY < 8; littleY++) {
if ((byte & (byteMask << littleY))) {
CGContextFillRect(cgContext, CGRectMake(origin.x + x,origin.y + y*8 + littleY,1,1));
}
}
}
}
}
origin.y += 68;
bytes += ONE_LCD_FRAME_BYTESIZE;
}
// When we are done with our drawing code QLPreviewRequestFlushContext() is called to flush the context
QLThumbnailRequestFlushContext(thumbnail, cgContext);
}
CFRelease(cgContext);
CFRelease(fileData);
CFRelease(propertyDictionary);
}
return noErr;
}
OSStatus GenerateThumbnailForURL(void *thisInterface, QLThumbnailRequestRef thumbnail, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options, CGSize maxSize)
{
if (url == NULL)
{
return -1;
}
//fprintf(stderr, "GenerateThumbnailForURL\n");
//CFShow(url);
//fprintf(stderr, "maxSize: %fx%f\n", maxSize.width, maxSize.height);
if ((maxSize.width == 200.0f) && (maxSize.height == 202.0f))
{
// hack to keep atPeek preview nice
maxSize.height = 200.0f;
}
//fprintf(stderr, "maxSize: %fx%f\n", maxSize.width, maxSize.height);
//CFShow(options);
Boolean opaque = false;
if (CFDictionaryGetValue(options, CFSTR("opaque")) != NULL)
{
opaque = CFBooleanGetValue(CFDictionaryGetValue(options, CFSTR("opaque")));
}
CGImageRef imageRef = GetPngImage(url, contentTypeUTI);
if (imageRef != NULL)
{
CGRect imageRect = CGRectMake(0, 0, CGImageGetWidth(imageRef), CGImageGetHeight(imageRef));
float ratio = imageRect.size.width / imageRect.size.height;
//fprintf(stderr, "imageSize: %dx%d, ratio: %f\n", (int)CGImageGetWidth(imageRef), (int)CGImageGetHeight(imageRef), ratio);
if ((imageRect.size.width > maxSize.width) || (imageRect.size.height > maxSize.height))
{
if (imageRect.size.width > imageRect.size.height)
{
imageRect.size.width = maxSize.width;
imageRect.size.height = maxSize.height/ratio;
}
else
{
imageRect.size.width = maxSize.width*ratio;
imageRect.size.height = maxSize.height;
}
}
imageRect.origin.x = (int)(((maxSize.width - imageRect.size.width) / 2.0) + 0.5);
imageRect.origin.y = (int)(((maxSize.height - imageRect.size.height) / 2.0) + 0.5);
//fprintf(stderr, "imageRect: %f,%f %fx%f\n", imageRect.origin.x , imageRect.origin.y, imageRect.size.width, imageRect.size.height);
CGContextRef cgContext = QLThumbnailRequestCreateContext(thumbnail, maxSize, TRUE, NULL);
if (cgContext != NULL)
{
CGContextSaveGState(cgContext);
{
if (opaque == 1)
{
CGRect contextRect = CGRectMake(0, 0, maxSize.width, maxSize.height);
CGContextSetRGBFillColor(cgContext, 0.57, 0.57, 0.57, 1);
CGContextFillRect(cgContext, contextRect);
}
CGContextDrawImage(cgContext, imageRect, imageRef);
}
CGContextRestoreGState(cgContext);
QLThumbnailRequestFlushContext(thumbnail, cgContext);
CFRelease(cgContext);
}
CFRelease(imageRef);
}
return noErr;
}
OSStatus GenerateThumbnailForURL(void *thisInterface,
QLThumbnailRequestRef thumbnail,
CFURLRef url, CFStringRef contentTypeUTI,
CFDictionaryRef options, CGSize maxSize)
{
CGFloat minCartDrawSize = 64;
CGFloat size = fmin(maxSize.width, maxSize.height);
CGContextRef qlContext = NULL;
if (size < minCartDrawSize) {
size = 32;
qlContext = QLThumbnailRequestCreateContext(thumbnail, CGSizeMake(size,size), true, NULL);
}
else
{
qlContext = QLThumbnailRequestCreateContext(thumbnail, CGSizeMake(size,size), false, NULL);
}
if (qlContext) {
NDSHeader header;
NDSIcon icon;
int pathlen = 2047;
UInt8 path[pathlen+1];
if (CFURLGetFileSystemRepresentation(url, true, path, pathlen)) {
if (size < minCartDrawSize) { // at smaller sizes we only draw the game icon at native size and let QL do the scaling
parseNDSInfo(path, &header, &icon);
CGImageRef image = CGImageCreateWithNDSIcon(&icon);
if (image) {
CGContextDrawImage(qlContext, CGRectMake(0, 0, size, size), image);
CGImageRelease(image);
}
}
else
{
CGContextClearRect(qlContext, CGRectMake(0,0,size,size));
// draw cartridge background
CFURLRef bgURL = CFBundleCopyResourceURL(CFBundleGetBundleWithIdentifier(
CFSTR("net.mironer.nds.quicklookgenerator")), CFSTR("background"), CFSTR("png"), NULL);
if (bgURL) {
CGDataProviderRef bgPNG = CGDataProviderCreateWithURL(bgURL);
if (bgPNG) {
CGImageRef bg = CGImageCreateWithPNGDataProvider(bgPNG, NULL, true, kCGRenderingIntentDefault);
if (bg) {
CGContextDrawImage(qlContext, CGRectMake(0, 0, size, size), bg);
CGImageRelease(bg);
}
CGDataProviderRelease(bgPNG);
}
CFRelease(bgURL);
}
// draw game icon
parseNDSInfo(path, &header, &icon);
CGImageRef image = CGImageCreateWithNDSIcon(&icon);
if (image) {
CGContextDrawImage(qlContext, CGRectMake(size / 5, size / 5, size * 3 / 5, size * 3 / 5), image);
CGImageRelease(image);
}
// draw cartridge overlay
CFURLRef ovrURL = CFBundleCopyResourceURL(
CFBundleGetBundleWithIdentifier(
CFSTR("net.mironer.nds.quicklookgenerator")), CFSTR("overlay"), CFSTR("png"), NULL);
if (ovrURL) {
CGDataProviderRef ovrPNG = CGDataProviderCreateWithURL(ovrURL);
if (ovrPNG) {
CGImageRef ovr = CGImageCreateWithPNGDataProvider(ovrPNG, NULL, true, kCGRenderingIntentDefault);
if (ovr) {
CGContextDrawImage(qlContext, CGRectMake(0, 0, size, size), ovr);
CGImageRelease(ovr);
}
CGDataProviderRelease(ovrPNG);
}
CFRelease(ovrURL);
}
// draw serial number
CFStringRef serial = CFStringCreateWithSerialNumber(&header);
CFAttributedStringRef aString = CFAttributedStringCreate(kCFAllocatorDefault, serial, NULL);
CFMutableAttributedStringRef attrStr = CFAttributedStringCreateMutableCopy(kCFAllocatorDefault, 128, aString);
CFIndex len = CFAttributedStringGetLength(attrStr);
CTFontRef font = CTFontCreateWithName(CFSTR("Lucida Sans"), size / 16, NULL);
CFAttributedStringSetAttribute(attrStr, CFRangeMake(0, len), kCTFontAttributeName, font);
CTTextAlignment rightAlign = kCTRightTextAlignment;
CTParagraphStyleSetting styleSettings[] = { {kCTParagraphStyleSpecifierAlignment, sizeof(rightAlign), &rightAlign} };
CTParagraphStyleRef paragraphStyle = CTParagraphStyleCreate(styleSettings, 1);
CFAttributedStringSetAttribute(attrStr, CFRangeMake(0, len), kCTParagraphStyleAttributeName, paragraphStyle);
CTFramesetterRef framesetter = CTFramesetterCreateWithAttributedString(attrStr);
CFRelease(attrStr);
CFRelease(aString);
CFRelease(serial);
CFRelease(font);
CGMutablePathRef path = CGPathCreateMutable();
CGPathAddRect(path, NULL, CGRectMake(-size * 1.55 / 8, -size * 6.1 / 8, size, size));
CTFrameRef frame = CTFramesetterCreateFrame(framesetter, CFRangeMake(0, 0), path, NULL);
CTFrameDraw(frame, qlContext);
CFRelease(frame);
CFRelease(framesetter);
CFRelease(paragraphStyle);
CFRelease(path);
}
}
QLThumbnailRequestFlushContext(thumbnail, qlContext);
CFRelease(qlContext);
}
return noErr;
}
