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#include <CoreFoundation/CoreFoundation.h>
#include <CoreServices/CoreServices.h>
#include <QuickLook/QuickLook.h>
#include "MyQuickLook.h"
#include <zlib.h>
#import <Foundation/Foundation.h>
#include "nopic.h"
/* -----------------------------------------------------------------------------
Generate a preview for file
This function's job is to create preview for designated file
----------------------------------------------------------------------------- */
OSStatus GeneratePreviewForURL(void *thisInterface, QLPreviewRequestRef preview, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options)
{
@autoreleasepool {
NSData *data;
NSURL *urlNS = (__bridge NSURL *)(url);
gzFile f;
const char* state_filename;
if ([urlNS respondsToSelector:@selector(fileSystemRepresentation)]) {
state_filename = [urlNS fileSystemRepresentation];
} else {
state_filename = [[urlNS path] fileSystemRepresentation];
}
unsigned char *pMem = (unsigned char *) malloc(128*96*3);
if (pMem == NULL)
return mFulErr;
f = gzopen(state_filename, "rb");
if (f != NULL) {
gzseek(f, 32, SEEK_SET); // skip header
gzseek(f, sizeof(uint32_t), SEEK_CUR);
gzseek(f, sizeof(uint8_t), SEEK_CUR);
gzread(f, pMem, 128*96*3);
gzclose(f);
} else {
memcpy(pMem, NoPic_Image.pixel_data, 128*96*3);
}
NSBitmapImageRep *imRep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:&pMem pixelsWide:NoPic_Image.width pixelsHigh:NoPic_Image.height bitsPerSample:8 samplesPerPixel:3 hasAlpha:NO isPlanar:NO colorSpaceName:NSCalibratedRGBColorSpace bitmapFormat:0 bytesPerRow:NoPic_Image.width * NoPic_Image.bytes_per_pixel bitsPerPixel:24];
if (imRep) {
data = [imRep TIFFRepresentation];
QLPreviewRequestSetDataRepresentation(preview, (__bridge CFDataRef)(data), kUTTypeImage, NULL);
}
free(pMem);
}
return noErr;
}
void CancelPreviewGeneration(void *thisInterface, QLPreviewRequestRef preview)
{
// Implement only if supported
}
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