1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
#include <CoreFoundation/CoreFoundation.h>
#include <CoreServices/CoreServices.h>
#include <QuickLook/QuickLook.h>
#include "MyQuickLook.h"
#include <zlib.h>
#import <Cocoa/Cocoa.h>
#include "nopic.h"
/* -----------------------------------------------------------------------------
Generate a thumbnail for file
This function's job is to create thumbnail for designated file as fast as possible
----------------------------------------------------------------------------- */
static OSStatus GenerateThumbnailForFreeze(void *thisInterface, QLThumbnailRequestRef preview, NSURL *url, NSDictionary *options, CGSize maxSize);
static OSStatus GenerateThumbnailForMemCard(void *thisInterface, QLThumbnailRequestRef preview, NSURL *url, NSDictionary *options, CGSize maxSize);
OSStatus GenerateThumbnailForURL(void *thisInterface, QLThumbnailRequestRef thumbnail, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options, CGSize maxSize)
{
OSStatus theErr = noErr;
@autoreleasepool {
NSURL *urlNS = (__bridge NSURL*)url;
NSString *UTI = (__bridge NSString*)contentTypeUTI;
NSDictionary *optionsNS = (__bridge NSDictionary*)options;
NSWorkspace *workspace = [NSWorkspace sharedWorkspace];
if ([workspace type:UTI conformsToType:@"com.codeplex.pcsxr.freeze"]) {
theErr = GenerateThumbnailForFreeze(thisInterface, thumbnail, urlNS, optionsNS, maxSize);
} else if ([workspace type:UTI conformsToType:@"com.codeplex.pcsxr.memcard"]) {
theErr = GenerateThumbnailForMemCard(thisInterface, thumbnail, urlNS, optionsNS, maxSize);
}
}
return theErr;
}
void CancelThumbnailGeneration(void *thisInterface, QLThumbnailRequestRef thumbnail)
{
// Implement only if supported
}
OSStatus GenerateThumbnailForFreeze(void *thisInterface, QLThumbnailRequestRef thumbnail, NSURL *url, NSDictionary *options, CGSize maxSize)
{
gzFile f;
const char* state_filename = NULL;
NSBitmapImageRep *imageRep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL pixelsWide:96 pixelsHigh:128 bitsPerSample:8 samplesPerPixel:3 hasAlpha:NO isPlanar:NO colorSpaceName:NSCalibratedRGBColorSpace bytesPerRow:0 bitsPerPixel:0];
if ([url respondsToSelector:@selector(fileSystemRepresentation)]) {
state_filename = [url fileSystemRepresentation];
} else {
state_filename = [[url path] fileSystemRepresentation];
}
if (!state_filename) {
return fnfErr;
}
unsigned char pMem[128*96*3] = {0};
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);
}
@autoreleasepool {
unsigned char *ppMem = pMem;
int x, y;
for (y = 0; y < 96; y++) {
for (x = 0; x < 128; x++) {
[imageRep setColor:[NSColor colorWithCalibratedRed:*(ppMem+2)/255.0 green:*(ppMem+1)/255.0 blue:*(ppMem+0)/255.0 alpha:1.0] atX:x y:y];
ppMem+=3;
}
}
}
NSImage *theImage = [[NSImage alloc] init];
[theImage addRepresentation:imageRep];
[theImage setSize:NSMakeSize(NoPic_Image.width, NoPic_Image.height)];
if (theImage) {
NSData *data = [theImage TIFFRepresentation];
QLThumbnailRequestSetImageWithData(thumbnail, (__bridge CFDataRef)(data), NULL);
}
return noErr;
}
OSStatus GenerateThumbnailForMemCard(void *thisInterface, QLThumbnailRequestRef thumbnail, NSURL *url, NSDictionary *options, CGSize maxSize)
{
return unimpErr;
}
|