mirror of https://github.com/snes9xgit/snes9x.git
349 lines
9.2 KiB
Plaintext
349 lines
9.2 KiB
Plaintext
/*****************************************************************************\
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Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
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This file is licensed under the Snes9x License.
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For further information, consult the LICENSE file in the root directory.
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\*****************************************************************************/
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/***********************************************************************************
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SNES9X for Mac OS (c) Copyright John Stiles
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Snes9x for Mac OS X
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(c) Copyright 2001 - 2011 zones
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(c) Copyright 2002 - 2005 107
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(c) Copyright 2002 PB1400c
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(c) Copyright 2004 Alexander and Sander
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(c) Copyright 2004 - 2005 Steven Seeger
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(c) Copyright 2005 Ryan Vogt
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(c) Copyright 2019 Michael Donald Buckley
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***********************************************************************************/
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#include <sys/xattr.h>
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#include "snes9x.h"
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#include "memmap.h"
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#include "screenshot.h"
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#include "mac-prefix.h"
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#include "mac-file.h"
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#include "mac-gworld.h"
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#include "mac-os.h"
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#include "mac-render.h"
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#include "mac-screenshot.h"
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extern "C" {
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#include "FakeResources.h"
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}
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const char *extendedAttributeName = "com.snes9x.preview";
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unsigned char *CGImageToPNGData (CGImageRef image, CFIndex *outLength);
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unsigned char *CGImageToPNGData (CGImageRef image, CFIndex *outLength)
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{
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if (!outLength)
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{
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return NULL;
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}
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CFMutableDataRef dataRef = CFDataCreateMutable(kCFAllocatorDefault, 0);
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if (dataRef)
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{
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CGImageDestinationRef dest = CGImageDestinationCreateWithData(dataRef, kUTTypePNG, 1, NULL);
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if (dest)
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{
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CGImageDestinationAddImage(dest, image, NULL);
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CGImageDestinationFinalize(dest);
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CFRelease(dest);
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*outLength = CFDataGetLength(dataRef);
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unsigned char *data = (unsigned char *)malloc(*outLength);
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if (data)
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{
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CFDataGetBytes(dataRef, CFRangeMake(0, *outLength), data);
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return data;
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}
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}
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else
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{
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CFRelease(dataRef);
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}
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}
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return NULL;
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}
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static void ExportCGImageToPNGFile (CGImageRef image, const char *path)
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{
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CFStringRef str;
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CFURLRef url;
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str = CFStringCreateWithCString(kCFAllocatorDefault, path, kCFStringEncodingUTF8);
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if (str)
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{
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url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, str, kCFURLPOSIXPathStyle, false);
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if (url)
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{
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CFIndex length = 0;
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unsigned char *data = CGImageToPNGData(image, &length);
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if (data)
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{
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FILE *f = fopen(path, "wb");
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if (f)
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{
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fwrite(data, length, 1, f);
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fclose(f);
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}
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free(data);
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}
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CFRelease(url);
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}
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CFRelease(str);
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}
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}
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CGImageRef CreateGameScreenCGImage (void)
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{
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CGDataProviderRef prov;
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CGColorSpaceRef color;
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CGImageRef image = NULL;
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int rowbytes;
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rowbytes = IPPU.RenderedScreenWidth * 2;
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prov = CGDataProviderCreateWithData(NULL, GFX.Screen, 512 * 2 * 478, NULL);
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if (prov)
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{
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color = CGColorSpaceCreateDeviceRGB();
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if (color)
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{
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image = CGImageCreate(IPPU.RenderedScreenWidth, IPPU.RenderedScreenHeight, 5, 16, rowbytes, color, kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder16Host, prov, NULL, 1, kCGRenderingIntentDefault);
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CGColorSpaceRelease(color);
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}
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CGDataProviderRelease(prov);
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}
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return (image);
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}
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CGImageRef CreateBlitScreenCGImage (int width, int height, int rowbytes, uint8 *buffer)
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{
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CGDataProviderRef prov;
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CGColorSpaceRef color;
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CGImageRef image = NULL;
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prov = CGDataProviderCreateWithData(NULL, buffer, rowbytes * height, NULL);
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if (prov)
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{
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color = CGColorSpaceCreateDeviceRGB();
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if (color)
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{
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image = CGImageCreate(width, height, 5, 16, rowbytes, color, kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder16Host, prov, NULL, 1, kCGRenderingIntentDefault);
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CGColorSpaceRelease(color);
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}
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CGDataProviderRelease(prov);
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}
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return (image);
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}
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void WriteThumbnailToExtendedAttribute (const char *path, int destWidth, int destHeight)
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{
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CGContextRef ctx;
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CGColorSpaceRef color = NULL;
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char *data[destWidth * destHeight * 2];
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CGImageRef image = CreateGameScreenCGImage();
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if (image)
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{
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color = CGColorSpaceCreateDeviceRGB();
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if (color)
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{
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ctx = CGBitmapContextCreate(data, destWidth, destHeight, 5, destWidth * 2, color, kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder16Big);
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if (ctx)
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{
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CGContextDrawImage(ctx, CGRectMake(0.0f, 0.0f, (float) destWidth, (float) destHeight), image);
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CGContextRelease(ctx);
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CFIndex length = 0;
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unsigned char *data = CGImageToPNGData(image, &length);
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if (data)
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{
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setxattr(path, extendedAttributeName, data, length, 0, 0);
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free(data);
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}
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}
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CGColorSpaceRelease(color);
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}
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CGImageRelease(image);
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}
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}
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void DrawThumbnailFromExtendedAttribute (const char *path, CGContextRef ctx, CGRect bounds)
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{
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CGContextSaveGState(ctx);
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CGContextSetRGBFillColor(ctx, 0.0f, 0.0f, 0.0f, 1.0f);
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CGContextFillRect(ctx, bounds);
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ssize_t size = getxattr(path, extendedAttributeName, NULL, 0, 0, 0);
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if ( size > 0 )
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{
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unsigned char *buffer = (unsigned char *)malloc(size);
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if (buffer != NULL)
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{
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getxattr(path, extendedAttributeName, buffer, size, 0, 0);
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NSData *data = [NSData dataWithBytes:buffer length:size];
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if (data)
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{
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NSImage *image = [[NSImage alloc] initWithData:data];
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if (image)
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{
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CGContextDrawImage(ctx, bounds, [image CGImageForProposedRect:NULL context:[NSGraphicsContext currentContext] hints:nil]);
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}
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}
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free(buffer);
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}
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}
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else
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{
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struct FakeResourceMap *resourceMap = FakeResFileOpen(std::string(std::string(path) + "/..namedfork/rsrc").c_str(), "r");
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if (resourceMap != NULL)
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{
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int16 fileNum = FakeCurResFile();
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Handle pict = FakeGet1Resource('PICT', 128);
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if (pict)
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{
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Size size = FakeGetHandleSize(pict);
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NSData *imageData = [NSData dataWithBytes:*pict length:size];
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if (imageData)
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{
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NSImage *image = [[NSImage alloc] initWithData:imageData];
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if (image)
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{
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CGContextDrawImage(ctx, bounds, [image CGImageForProposedRect:NULL context:[NSGraphicsContext currentContext] hints:nil]);
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}
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}
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}
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else
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{
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pict = FakeGet1Resource('Thum', 128);
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Size size = FakeGetHandleSize(pict);
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NSData *imageData = [NSData dataWithBytes:*pict length:size];
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if (imageData)
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{
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CGDataProviderRef provider = CGDataProviderCreateWithData(NULL, (__bridge CFDataRef)imageData, size, NULL);
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if (provider)
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{
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CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
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if (colorSpace)
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{
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CGImageRef image = CGImageCreate(128, 120, 5, 16, 256, colorSpace, kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder16Big, provider, NULL, 0, kCGRenderingIntentDefault);
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if (image)
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{
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CGContextDrawImage(ctx, bounds, image);
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CGImageRelease(image);
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}
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CGColorSpaceRelease(colorSpace);
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}
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CFRelease(provider);
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}
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}
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}
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FakeCloseResFile(fileNum);
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}
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}
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CGContextRestoreGState(ctx);
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}
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bool8 S9xDoScreenshot (int width, int height)
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{
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Settings.TakeScreenshot = false;
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uint16 *data;
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data = (uint16 *) malloc(512 * 478 * 2);
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if (data)
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{
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uint16 *sp, *dp;
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if (width > 256 && height > 239)
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{
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for (int y = 0; y < height; y++)
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{
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sp = GFX.Screen + y * GFX.RealPPL;
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dp = data + y * 512;
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for (int x = 0; x < width; x++)
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*dp++ = *sp++;
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}
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}
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else
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if (width > 256)
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{
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for (int y = 0; y < height; y++)
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{
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sp = GFX.Screen + y * GFX.RealPPL;
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dp = data + y * 2 * 512;
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for (int x = 0; x < width; x++)
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{
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*dp = *(dp + 512) = *sp++;
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dp++;
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}
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}
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}
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else
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{
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for (int y = 0; y < height; y++)
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{
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sp = GFX.Screen + y * GFX.RealPPL;
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dp = data + y * 2 * 512;
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for (int x = 0; x < width; x++)
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{
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*dp = *(dp + 1) = *(dp + 512) = *(dp + 512 + 1) = *sp++;
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dp += 2;
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}
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}
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}
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CGImageRef image;
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image = CreateBlitScreenCGImage(512, (height > 239) ? height : (height * 2), 1024, (uint8 *) data);
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if (image)
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{
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ExportCGImageToPNGFile(image, S9xGetPNGFilename());
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CGImageRelease(image);
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}
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free(data);
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}
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return (true);
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}
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