snes9x/macosx/mac-gworld.mm

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/*****************************************************************************\
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
This file is licensed under the Snes9x License.
For further information, consult the LICENSE file in the root directory.
\*****************************************************************************/
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/***********************************************************************************
SNES9X for Mac OS (c) Copyright John Stiles
Snes9x for Mac OS X
(c) Copyright 2001 - 2011 zones
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(c) Copyright 2002 - 2005 107
(c) Copyright 2002 PB1400c
(c) Copyright 2004 Alexander and Sander
(c) Copyright 2004 - 2005 Steven Seeger
(c) Copyright 2005 Ryan Vogt
(c) Copyright 2019 Michael Donald Buckley
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***********************************************************************************/
#include "port.h"
#include "mac-prefix.h"
#include "mac-os.h"
#include "mac-gworld.h"
#define kIconSize 16
static void SetIconImage (CGImageRef, CGRect, int);
#ifdef MAC_PANTHER_SUPPORT
static IconRef CreateIconRefFromImage (CGImageRef, CGRect);
#endif
void DrawSubCGImage (CGContextRef ctx, CGImageRef image, CGRect src, CGRect dst)
{
float w = (float) CGImageGetWidth(image);
float h = (float) CGImageGetHeight(image);
CGRect drawRect = CGRectMake(0.0f, 0.0f, w, h);
if (!CGRectEqualToRect(src, dst))
{
float sx = CGRectGetWidth(dst) / CGRectGetWidth(src);
float sy = CGRectGetHeight(dst) / CGRectGetHeight(src);
float dx = CGRectGetMinX(dst) - (CGRectGetMinX(src) * sx);
float dy = CGRectGetMinY(dst) - (CGRectGetMinY(src) * sy);
drawRect = CGRectMake(dx, dy, w * sx, h * sy);
}
CGContextSaveGState(ctx);
CGContextClipToRect(ctx, dst);
CGContextDrawImage(ctx, drawRect, image);
CGContextRestoreGState(ctx);
}
static void SetIconImage (CGImageRef image, CGRect rct, int n)
{
macIconImage[n] = CGImageCreateWithImageInRect(image, rct);
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}
void CreateIconImages (void)
{
CGDataProviderRef prov;
CGImageRef image;
CFURLRef url;
image = NULL;
memset(macIconImage, 0, sizeof(macIconImage));
#ifdef MAC_PANTHER_SUPPORT
if (systemVersion < 0x1040)
memset(macIconRef, 0, sizeof(macIconRef));
#endif
url = CFBundleCopyResourceURL(CFBundleGetMainBundle(), CFSTR("icons"), CFSTR("png"), NULL);
if (url)
{
prov = CGDataProviderCreateWithURL(url);
if (prov)
{
image = CGImageCreateWithPNGDataProvider(prov, NULL, true, kCGRenderingIntentDefault);
CGDataProviderRelease(prov);
}
CFRelease(url);
}
if (image)
{
int x, y, v = 0, n = 0;
macPadIconIndex = n;
for (y = 0; y < 8; y++)
{
for (x = 0; x < 12; x++)
SetIconImage(image, CGRectMake(x * kIconSize, v, kIconSize, kIconSize), n++);
v += kIconSize;
}
macLegendIconIndex = n;
for (x = 0; x < 2; x++)
SetIconImage(image, CGRectMake(x * kIconSize, v, kIconSize, kIconSize), n++);
v += kIconSize;
macMusicBoxIconIndex = n;
for (x = 0; x < 3; x++)
SetIconImage(image, CGRectMake(x * kIconSize, v, kIconSize, kIconSize), n++);
v += kIconSize;
macFunctionIconIndex = n;
for (x = 0; x < 17; x++)
SetIconImage(image, CGRectMake(x * kIconSize, v, kIconSize, kIconSize), n++);
CGImageRelease(image);
#ifdef MAC_PANTHER_SUPPORT
if (systemVersion < 0x1040)
{
CGColorSpaceRef color;
CGContextRef ctx;
CGRect rct;
static UInt32 data[2][kIconSize * kIconSize];
rct = CGRectMake(0, 0, kIconSize, kIconSize);
color = CGColorSpaceCreateDeviceRGB();
if (color)
{
for (int i = 0; i < 2; i++)
{
ctx = CGBitmapContextCreate(data[i], kIconSize, kIconSize, 8, kIconSize * 4, color, kCGImageAlphaNoneSkipFirst);
if (ctx)
{
PlotIconRefInContext(ctx, &rct, kAlignNone, kTransformNone, NULL, kPlotIconRefNormalFlags, macIconRef[macLegendIconIndex + i]);
CGContextRelease(ctx);
prov = CGDataProviderCreateWithData(NULL, data[i], kIconSize * kIconSize * 4, NULL);
if (prov)
{
macIconImage[macLegendIconIndex + i] = CGImageCreate(kIconSize, kIconSize, 8, 32, kIconSize * 4, color, kCGImageAlphaNoneSkipFirst, prov, NULL, 1, kCGRenderingIntentDefault);
CGDataProviderRelease(prov);
}
}
}
CGColorSpaceRelease(color);
}
}
#endif
}
}
void ReleaseIconImages (void)
{
for (int i = 0; i < 118; i++)
{
if (macIconImage[i])
CGImageRelease(macIconImage[i]);
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}
#ifdef MAC_PANTHER_SUPPORT
if (systemVersion < 0x1040)
{
if (macIconImage[macLegendIconIndex])
CGImageRelease(macIconImage[macLegendIconIndex]);
if (macIconImage[macLegendIconIndex + 1])
CGImageRelease(macIconImage[macLegendIconIndex + 1]);
}
#endif
}
#ifdef MAC_PANTHER_SUPPORT
static IconRef CreateIconRefFromImage (CGImageRef srcImage, CGRect srcRect)
{
OSStatus err;
CGContextRef cctx, actx;
CGColorSpaceRef color;
CGRect dstRect;
IconRef iconRef;
IconFamilyHandle icns;
Handle hdl;
SInt32 size;
UInt32 rgb[kIconSize * kIconSize];
UInt8 alp[kIconSize * kIconSize];
srcRect.origin.y = CGImageGetHeight(srcImage) - srcRect.origin.y - kIconSize;
color = CGColorSpaceCreateDeviceRGB();
if (color)
{
cctx = CGBitmapContextCreate(rgb, kIconSize, kIconSize, 8, kIconSize * 4, color, kCGImageAlphaNoneSkipFirst);
if (cctx)
{
dstRect = CGRectMake(0, 0, kIconSize, kIconSize);
DrawSubCGImage(cctx, srcImage, srcRect, dstRect);
actx = CGBitmapContextCreate(alp, kIconSize, kIconSize, 8, kIconSize, NULL, kCGImageAlphaOnly);
if (actx)
{
DrawSubCGImage(actx, srcImage, srcRect, dstRect);
CGContextRelease(actx);
}
CGContextRelease(cctx);
}
CGColorSpaceRelease(color);
}
iconRef = NULL;
size = sizeof(OSType) + sizeof(SInt32);
icns = (IconFamilyHandle) NewHandle(size);
if (icns)
{
// Big-endian: Panther is for PowerPC only
(*icns)->resourceType = kIconFamilyType;
(*icns)->resourceSize = size;
err = PtrToHand(rgb, &hdl, sizeof(rgb));
if (err == noErr)
{
err = SetIconFamilyData(icns, kSmall32BitData, hdl);
DisposeHandle(hdl);
if (err == noErr)
{
err = PtrToHand(alp, &hdl, sizeof(alp));
if (err == noErr)
{
err = SetIconFamilyData(icns, kSmall8BitMask, hdl);
DisposeHandle(hdl);
}
}
}
if (err == noErr)
err = GetIconRefFromIconFamilyPtr(*icns, GetHandleSize((Handle) icns), &iconRef);
DisposeHandle((Handle) icns);
}
return (iconRef);
}
#endif