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
|
#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
----------------------------------------------------------------------------- */
static OSStatus GeneratePreviewForFreeze(void *thisInterface, QLPreviewRequestRef preview, NSURL *url, NSDictionary *options);
static OSStatus GeneratePreviewForMemCard(void *thisInterface, QLPreviewRequestRef preview, NSURL *url, NSDictionary *options);
OSStatus GeneratePreviewForURL(void *thisInterface, QLPreviewRequestRef preview, CFURLRef url, CFStringRef contentTypeUTI, CFDictionaryRef options)
{
OSStatus theStatus = noErr;
@autoreleasepool {
NSWorkspace *workspace = [NSWorkspace sharedWorkspace];
NSURL *urlNS = (__bridge NSURL*)url;
NSString *uti = (__bridge NSString*)contentTypeUTI;
NSDictionary *optionsNS = (__bridge NSDictionary*)options;
if ([workspace type:uti conformsToType:@"com.codeplex.pcsxr.freeze"]) {
theStatus = GeneratePreviewForFreeze(thisInterface, preview, urlNS, optionsNS);
} else if ([workspace type:uti conformsToType:@"com.codeplex.pcsxr.memcard"]) {
theStatus = GeneratePreviewForMemCard(thisInterface, preview, urlNS, optionsNS);
}
}
return theStatus;
}
void CancelPreviewGeneration(void *thisInterface, QLPreviewRequestRef preview)
{
// Implement only if supported
}
OSStatus GeneratePreviewForFreeze(void *thisInterface, QLPreviewRequestRef preview, NSURL *url, NSDictionary *options)
{
NSData *data;
gzFile f;
const char* state_filename;
if ([url respondsToSelector:@selector(fileSystemRepresentation)]) {
state_filename = [url fileSystemRepresentation];
} else {
state_filename = [[url path] fileSystemRepresentation];
}
if (!state_filename) {
return fnfErr;
}
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;
}
static OSStatus GeneratePreviewForMemCard(void *thisInterface, QLPreviewRequestRef preview, NSURL *url, NSDictionary *options)
{
return unimpErr;
}
|
