src/osx/carbon/utilscocoa.mm

/////////////////////////////////////////////////////////////////////////////
// Name:        src/osx/carbon/utils.mm
// Purpose:     various cocoa mixin utility functions
// Author:      Stefan Csomor
// Modified by:
// Created:     1998-01-01
// RCS-ID:      $Id: utilscocoa.mm 48805 2007-09-19 14:52:25Z SC $
// Copyright:   (c) Stefan Csomor
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#include "wx/wxprec.h"

#if wxOSX_USE_COCOA_OR_CARBON
#include <Cocoa/Cocoa.h>
#else
#import <UIKit/UIKit.h>
#endif

#ifdef __WXMAC__
#include "wx/osx/private.h"
#endif

#include "wx/fontutil.h"

#ifdef __WXMAC__

#if wxOSX_USE_CARBON
bool wxMacInitCocoa()
{
    bool cocoaLoaded = NSApplicationLoad();
    wxASSERT_MSG(cocoaLoaded,wxT("Couldn't load Cocoa in Carbon Environment")) ;
    return cocoaLoaded;
}
#endif

wxMacAutoreleasePool::wxMacAutoreleasePool()
{
    m_pool = [[NSAutoreleasePool alloc] init];
}

wxMacAutoreleasePool::~wxMacAutoreleasePool()
{
    [(NSAutoreleasePool*)m_pool release];
}

#endif

#if wxOSX_USE_COCOA

CGContextRef wxOSXGetContextFromCurrentContext()
{
    CGContextRef context = (CGContextRef)[[NSGraphicsContext currentContext]
                                          graphicsPort];
    return context;
}

bool wxOSXLockFocus( WXWidget view)
{
    return [view lockFocusIfCanDraw];
}

void wxOSXUnlockFocus( WXWidget view)
{
    [view unlockFocus];
}

#endif

#if wxOSX_USE_IPHONE

CGContextRef wxOSXGetContextFromCurrentContext()
{
    CGContextRef context = UIGraphicsGetCurrentContext();
    return context;
}

#endif

// ----------------------------------------------------------------------------
// NSObject Utils
// ----------------------------------------------------------------------------

void wxMacCocoaRelease( void* obj )
{
    [(NSObject*)obj release];
}

void wxMacCocoaAutorelease( void* obj )
{
    [(NSObject*)obj autorelease];
}

void* wxMacCocoaRetain( void* obj )
{
    [(NSObject*)obj retain];
    return obj;
}

// ----------------------------------------------------------------------------
// NSFont Utils
// ----------------------------------------------------------------------------

#if wxOSX_USE_COCOA

WX_NSFont wxFont::OSXCreateNSFont(wxOSXSystemFont font, wxNativeFontInfo* info)
{
    NSFont* nsfont = nil;
    switch( font )
    {
        case wxOSX_SYSTEM_FONT_NORMAL:
            nsfont = [NSFont systemFontOfSize:[NSFont systemFontSize]];
            break;
        case wxOSX_SYSTEM_FONT_BOLD:
            nsfont = [NSFont boldSystemFontOfSize:[NSFont systemFontSize]];
            break;
        case wxOSX_SYSTEM_FONT_SMALL:
            nsfont = [NSFont systemFontOfSize:[NSFont smallSystemFontSize]];
            break;
        case wxOSX_SYSTEM_FONT_SMALL_BOLD:
            nsfont = [NSFont boldSystemFontOfSize:[NSFont smallSystemFontSize]];
            break;
        case wxOSX_SYSTEM_FONT_MINI:
            nsfont = [NSFont systemFontOfSize:
                [NSFont systemFontSizeForControlSize:NSMiniControlSize]];
            break;
       case wxOSX_SYSTEM_FONT_MINI_BOLD:
            nsfont = [NSFont boldSystemFontOfSize:
                [NSFont systemFontSizeForControlSize:NSMiniControlSize]];
            break;
        case wxOSX_SYSTEM_FONT_LABELS:
            nsfont = [NSFont labelFontOfSize:[NSFont labelFontSize]];
            break;
       case wxOSX_SYSTEM_FONT_VIEWS:
            nsfont = [NSFont controlContentFontOfSize:0];
            break;
        default:
            break;
    }
    [nsfont retain];
    NSFontDescriptor*desc = [[nsfont fontDescriptor] retain];
    if ( info->m_faceName.empty())
    {
        wxFontStyle fontstyle = wxFONTSTYLE_NORMAL;
        wxFontWeight fontweight = wxFONTWEIGHT_NORMAL;
        bool underlined = false;

        int size = (int) ([desc pointSize]+0.5);
        NSFontSymbolicTraits traits = [desc symbolicTraits];

        if ( traits & NSFontBoldTrait )
            fontweight = wxFONTWEIGHT_BOLD ;
        else
            fontweight = wxFONTWEIGHT_NORMAL ;
        if ( traits & NSFontItalicTrait )
            fontstyle = wxFONTSTYLE_ITALIC ;

        wxCFStringRef fontname( [desc postscriptName] );
        info->Init(size,wxFONTFAMILY_DEFAULT,fontstyle,fontweight,underlined,
            fontname.AsString(), wxFONTENCODING_DEFAULT);

    }
    info->m_nsFontDescriptor = desc;
    return nsfont;
}

void wxNativeFontInfo::OSXValidateNSFontDescriptor()
{
    NSFontDescriptor* desc  = nil;
    NSFontSymbolicTraits traits = 0;
    float weight = 0;

    if (m_weight == wxFONTWEIGHT_BOLD)
    {
        traits |= NSFontBoldTrait;
        weight = 1.0;
    }
    else if (m_weight == wxFONTWEIGHT_LIGHT)
        weight = -1;

    if (m_style == wxFONTSTYLE_ITALIC || m_style == wxFONTSTYLE_SLANT)
        traits |= NSFontItalicTrait;

    desc = [NSFontDescriptor fontDescriptorWithFontAttributes:
        [[NSDictionary alloc] initWithObjectsAndKeys:
            wxCFStringRef(m_faceName).AsNSString(), NSFontFamilyAttribute,
            [NSNumber numberWithFloat:m_pointSize], NSFontSizeAttribute,
            [NSNumber numberWithUnsignedInt:traits], NSFontSymbolicTrait,
            [NSNumber numberWithFloat:weight],NSFontWeightTrait,
            nil]];

    wxMacCocoaRetain(desc);
    m_nsFontDescriptor = desc;
}

WX_NSFont wxFont::OSXCreateNSFont(const wxNativeFontInfo* info)
{
    NSFont* nsFont;
    nsFont = [NSFont fontWithDescriptor:info->m_nsFontDescriptor size:info->m_pointSize];
    wxMacCocoaRetain(nsFont);
    return nsFont;
}

#endif

#if wxOSX_USE_IPHONE

WX_UIFont wxFont::OSXCreateUIFont(wxOSXSystemFont font, wxNativeFontInfo* info)
{
    UIFont* uifont;
    switch( font )
    {
        case wxOSX_SYSTEM_FONT_NORMAL:
            uifont = [UIFont systemFontOfSize:[UIFont systemFontSize]];
            break;
        case wxOSX_SYSTEM_FONT_BOLD:
            uifont = [UIFont boldSystemFontOfSize:[UIFont systemFontSize]];
            break;
        case wxOSX_SYSTEM_FONT_MINI:
        case wxOSX_SYSTEM_FONT_SMALL:
            uifont = [UIFont systemFontOfSize:[UIFont smallSystemFontSize]];
            break;
        case wxOSX_SYSTEM_FONT_MINI_BOLD:
        case wxOSX_SYSTEM_FONT_SMALL_BOLD:
            uifont = [UIFont boldSystemFontOfSize:[UIFont smallSystemFontSize]];
            break;
        case wxOSX_SYSTEM_FONT_VIEWS:
        case wxOSX_SYSTEM_FONT_LABELS:
            uifont = [UIFont systemFontOfSize:[UIFont labelFontSize]];
            break;
        default:
            break;
    }
    [uifont retain];
    if ( info->m_faceName.empty())
    {
        wxFontStyle fontstyle = wxFONTSTYLE_NORMAL;
        wxFontWeight fontweight = wxFONTWEIGHT_NORMAL;
        bool underlined = false;

        int size = (int) ([uifont pointSize]+0.5);
        /*
        NSFontSymbolicTraits traits = [desc symbolicTraits];

        if ( traits & NSFontBoldTrait )
            fontweight = wxFONTWEIGHT_BOLD ;
        else
            fontweight = wxFONTWEIGHT_NORMAL ;
        if ( traits & NSFontItalicTrait )
            fontstyle = wxFONTSTYLE_ITALIC ;
        */
        wxCFStringRef fontname( wxCFRetain([uifont familyName]) );
        info->Init(size,wxFONTFAMILY_DEFAULT,fontstyle,fontweight,underlined,
            fontname.AsString(), wxFONTENCODING_DEFAULT);

    }
    return uifont;
}

WX_UIFont wxFont::OSXCreateUIFont(const wxNativeFontInfo* info)
{
    UIFont* uiFont;
    uiFont = [UIFont fontWithName:wxCFStringRef(info->m_faceName).AsNSString() size:info->m_pointSize];
    wxMacCocoaRetain(uiFont);
    return uiFont;
}

#endif
// ----------------------------------------------------------------------------
// NSImage Utils
// ----------------------------------------------------------------------------

#if wxOSX_USE_IPHONE

WX_UIImage  wxOSXCreateUIImageFromCGImage( CGImageRef image )
{
    UIImage  *newImage = [UIImage imageWithCGImage:image];
    [newImage autorelease];
    return( newImage );
}

#endif

#if wxOSX_USE_COCOA

//  From "Cocoa Drawing Guide:Working with Images"
WX_NSImage  wxOSXCreateNSImageFromCGImage( CGImageRef image )
{
    NSRect      imageRect    = NSMakeRect(0.0, 0.0, 0.0, 0.0);

    // Get the image dimensions.
    imageRect.size.height = CGImageGetHeight(image);
    imageRect.size.width = CGImageGetWidth(image);

    // Create a new image to receive the Quartz image data.
    NSImage  *newImage = [[NSImage alloc] initWithSize:imageRect.size];
    [newImage lockFocus];

    // Get the Quartz context and draw.
    CGContextRef  imageContext = (CGContextRef) [[NSGraphicsContext currentContext] graphicsPort];
    CGContextDrawImage( imageContext, *(CGRect*)&imageRect, image );
    [newImage unlockFocus];

    /*
        // Create a bitmap rep from the image...
        NSBitmapImageRep *bitmapRep = [[NSBitmapImageRep alloc] initWithCGImage:cgImage];
        // Create an NSImage and add the bitmap rep to it...
        NSImage *image = [[NSImage alloc] init];
        [image addRepresentation:bitmapRep];
        [bitmapRep release];
    */
    [newImage autorelease];
    return( newImage );
}

CGImageRef wxOSXCreateCGImageFromNSImage( WX_NSImage nsimage )
{
    // based on http://www.mail-archive.com/cocoa-dev@lists.apple.com/msg18065.html

    NSSize imageSize = [nsimage size];
    CGColorSpaceRef genericRGB = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
    CGContextRef context = CGBitmapContextCreate(NULL, imageSize.width, imageSize.height, 8, 0, genericRGB, kCGImageAlphaPremultipliedFirst);
    NSGraphicsContext *nsGraphicsContext = [NSGraphicsContext graphicsContextWithGraphicsPort:context flipped:NO];
    [NSGraphicsContext saveGraphicsState];
    [NSGraphicsContext setCurrentContext:nsGraphicsContext];
    [[NSColor whiteColor] setFill];
    NSRectFill(NSMakeRect(0.0, 0.0, imageSize.width, imageSize.height));
    [nsimage drawAtPoint:NSZeroPoint fromRect:NSZeroRect operation:NSCompositeCopy fraction:1.0];
    [NSGraphicsContext setCurrentContext:nsGraphicsContext];
    CGImageRef image = CGBitmapContextCreateImage(context);
    CFRelease(context);
    return image;
 }

// ----------------------------------------------------------------------------
// NSCursor Utils
// ----------------------------------------------------------------------------

// copied from cursor.mm

static NSCursor* wxGetStockCursor( short sIndex )
{
    ClassicCursor* pCursor = &gMacCursors[sIndex];

    //Classic mac cursors are 1bps 16x16 black and white with a
    //identical mask that is 1 for on and 0 for off
    NSImage *theImage = [[NSImage alloc] initWithSize:NSMakeSize(16.0,16.0)];

    //NSCursor takes an NSImage takes a number of Representations - here
    //we need only one for the raw data
    NSBitmapImageRep *theRep = [[NSBitmapImageRep alloc]
        initWithBitmapDataPlanes: NULL  // Tell Cocoa to allocate the planes for us.
        pixelsWide: 16      // All classic cursors are 16x16
        pixelsHigh: 16
        bitsPerSample: 1    // All classic cursors are bitmaps with bitmasks
        samplesPerPixel: 2  // Sample 0:image 1:mask
        hasAlpha: YES       // Identify last sample as a mask
        isPlanar: YES       // Use a separate array for each sample
        colorSpaceName: NSCalibratedWhiteColorSpace // 0.0=black 1.0=white
        bytesPerRow: 2      // Rows in each plane are on 2-byte boundaries (no pad)
        bitsPerPixel: 1];   // same as bitsPerSample since data is planar

    // Ensure that Cocoa allocated 2 and only 2 of the 5 possible planes
    unsigned char *planes[5];
    [theRep getBitmapDataPlanes:planes];
    wxASSERT(planes[0] != NULL);
    wxASSERT(planes[1] != NULL);
    wxASSERT(planes[2] == NULL);
    wxASSERT(planes[3] == NULL);
    wxASSERT(planes[4] == NULL);

    // NOTE1: The Cursor's bits field is white=0 black=1.. thus the bitwise-not
    // Why not use NSCalibratedBlackColorSpace?  Because that reverses the
    // sense of the alpha (mask) plane.
    // NOTE2: The mask data is 0=off 1=on
    // NOTE3: Cocoa asks for "premultiplied" color planes.  Since we have a
    // 1-bit color plane and a 1-bit alpha plane we can just do a bitwise-and
    // on the two.  The original cursor bitmaps have 0 (white actually) for
    // any masked-off pixels.  Therefore every masked-off pixel would be wrong
    // since we bit-flip all of the picture bits.  In practice, Cocoa doesn't
    // seem to care, but we are following the documentation.

    // Fill in the color (black/white) plane
    for(int i=0; i<16; ++i)
    {
        planes[0][2*i  ] = (~pCursor->bits[i] & pCursor->mask[i]) >> 8 & 0xff;
        planes[0][2*i+1] = (~pCursor->bits[i] & pCursor->mask[i]) & 0xff;
    }
    // Fill in the alpha (i.e. mask) plane
    for(int i=0; i<16; ++i)
    {
        planes[1][2*i  ] = pCursor->mask[i] >> 8 & 0xff;
        planes[1][2*i+1] = pCursor->mask[i] & 0xff;
    }

    //add the representation (data) to the image
    [theImage addRepresentation:theRep];

    //create the new cursor
    NSCursor* theCursor =  [[NSCursor alloc]  initWithImage:theImage
                                    hotSpot:NSMakePoint(pCursor->hotspot[1], pCursor->hotspot[0])
                            ];

    //do the usual cleanups
    [theRep release];
    [theImage release];

    //return the new cursor
    return theCursor;
}

WX_NSCursor wxMacCocoaCreateStockCursor( int cursor_type )
{
    WX_NSCursor cursor = nil;
    switch (cursor_type)
    {
    case wxCURSOR_COPY_ARROW:
        cursor = [[NSCursor arrowCursor] retain];
        break;

    case wxCURSOR_WATCH:
    case wxCURSOR_WAIT:
        // should be displayed by the system when things are running
        cursor = [[NSCursor arrowCursor] retain];
        break;

    case wxCURSOR_IBEAM:
        cursor = [[NSCursor IBeamCursor] retain];
        break;

    case wxCURSOR_CROSS:
        cursor = [[NSCursor crosshairCursor] retain];
        break;

    case wxCURSOR_SIZENWSE:
        cursor = wxGetStockCursor(kwxCursorSizeNWSE);
        break;

    case wxCURSOR_SIZENESW:
        cursor = wxGetStockCursor(kwxCursorSizeNESW);
        break;

    case wxCURSOR_SIZEWE:
        cursor = [[NSCursor resizeLeftRightCursor] retain];
        break;

    case wxCURSOR_SIZENS:
        cursor = [[NSCursor resizeUpDownCursor] retain];
        break;

    case wxCURSOR_SIZING:
        cursor = wxGetStockCursor(kwxCursorSize);
        break;

    case wxCURSOR_HAND:
        cursor = [[NSCursor pointingHandCursor] retain];
        break;

    case wxCURSOR_BULLSEYE:
        cursor = wxGetStockCursor(kwxCursorBullseye);
        break;

    case wxCURSOR_PENCIL:
        cursor = wxGetStockCursor(kwxCursorPencil);
        break;

    case wxCURSOR_MAGNIFIER:
        cursor = wxGetStockCursor(kwxCursorMagnifier);
        break;

    case wxCURSOR_NO_ENTRY:
        cursor = wxGetStockCursor(kwxCursorNoEntry);
        break;

    case wxCURSOR_PAINT_BRUSH:
        cursor = wxGetStockCursor(kwxCursorPaintBrush);
        break;

    case wxCURSOR_POINT_LEFT:
        cursor = wxGetStockCursor(kwxCursorPointLeft);
        break;

    case wxCURSOR_POINT_RIGHT:
        cursor = wxGetStockCursor(kwxCursorPointRight);
        break;

    case wxCURSOR_QUESTION_ARROW:
        cursor = wxGetStockCursor(kwxCursorQuestionArrow);
        break;

    case wxCURSOR_BLANK:
        cursor = wxGetStockCursor(kwxCursorBlank);
        break;

    case wxCURSOR_RIGHT_ARROW:
        cursor = wxGetStockCursor(kwxCursorRightArrow);
        break;

    case wxCURSOR_SPRAYCAN:
        cursor = wxGetStockCursor(kwxCursorRoller);
        break;

    case wxCURSOR_OPEN_HAND:
        cursor = [[NSCursor openHandCursor] retain];
        break;

    case wxCURSOR_CLOSED_HAND:
        cursor = [[NSCursor closedHandCursor] retain];
        break;

    case wxCURSOR_CHAR:
    case wxCURSOR_ARROW:
    case wxCURSOR_LEFT_BUTTON:
    case wxCURSOR_RIGHT_BUTTON:
    case wxCURSOR_MIDDLE_BUTTON:
    default:
        cursor = [[NSCursor arrowCursor] retain];
        break;
    }
    return cursor;
}

//  C-based style wrapper routines around NSCursor
WX_NSCursor  wxMacCocoaCreateCursorFromCGImage( CGImageRef cgImageRef, float hotSpotX, float hotSpotY )
{
    static BOOL    firstTime  = YES;

    if ( firstTime )
    {
        //  Must first call [[[NSWindow alloc] init] release] to get the NSWindow machinery set up so that NSCursor can use a window to cache the cursor image
        [[[NSWindow alloc] init] release];
        firstTime = NO;
    }

    NSImage    *nsImage  = wxOSXCreateNSImageFromCGImage( cgImageRef );
    NSCursor  *cursor    = [[NSCursor alloc] initWithImage:nsImage hotSpot:NSMakePoint( hotSpotX, hotSpotY )];

    [nsImage release];

    return cursor;
}

void  wxMacCocoaSetCursor( WX_NSCursor cursor )
{
    [cursor set];
}

void  wxMacCocoaHideCursor()
{
    [NSCursor hide];
}

void  wxMacCocoaShowCursor()
{
    [NSCursor unhide];
}

#endif
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/osx/carbon/utils.mm
	3	// Purpose: various cocoa mixin utility functions
	4	// Author: Stefan Csomor
	5	// Modified by:
	6	// Created: 1998-01-01
	7	// RCS-ID: $Id: utilscocoa.mm 48805 2007-09-19 14:52:25Z SC $
	8	// Copyright: (c) Stefan Csomor
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#include "wx/wxprec.h"
	13
	14	#if wxOSX_USE_COCOA_OR_CARBON
	15	#include <Cocoa/Cocoa.h>
	16	#else
	17	#import <UIKit/UIKit.h>
	18	#endif
	19
	20	#ifdef __WXMAC__
	21	#include "wx/osx/private.h"
	22	#endif
	23
	24	#include "wx/fontutil.h"
	25
	26	#ifdef __WXMAC__
	27
	28	#if wxOSX_USE_CARBON
	29	bool wxMacInitCocoa()
	30	{
	31	bool cocoaLoaded = NSApplicationLoad();
	32	wxASSERT_MSG(cocoaLoaded,wxT("Couldn't load Cocoa in Carbon Environment")) ;
	33	return cocoaLoaded;
	34	}
	35	#endif
	36
	37	wxMacAutoreleasePool::wxMacAutoreleasePool()
	38	{
	39	m_pool = [[NSAutoreleasePool alloc] init];
	40	}
	41
	42	wxMacAutoreleasePool::~wxMacAutoreleasePool()
	43	{
	44	[(NSAutoreleasePool*)m_pool release];
	45	}
	46
	47	#endif
	48
	49	#if wxOSX_USE_COCOA
	50
	51	CGContextRef wxOSXGetContextFromCurrentContext()
	52	{
	53	CGContextRef context = (CGContextRef)[[NSGraphicsContext currentContext]
	54	graphicsPort];
	55	return context;
	56	}
	57
	58	bool wxOSXLockFocus( WXWidget view)
	59	{
	60	return [view lockFocusIfCanDraw];
	61	}
	62
	63	void wxOSXUnlockFocus( WXWidget view)
	64	{
	65	[view unlockFocus];
	66	}
	67
	68	#endif
	69
	70	#if wxOSX_USE_IPHONE
	71
	72	CGContextRef wxOSXGetContextFromCurrentContext()
	73	{
	74	CGContextRef context = UIGraphicsGetCurrentContext();
	75	return context;
	76	}
	77
	78	#endif
	79
	80	// ----------------------------------------------------------------------------
	81	// NSObject Utils
	82	// ----------------------------------------------------------------------------
	83
	84	void wxMacCocoaRelease( void* obj )
	85	{
	86	[(NSObject*)obj release];
	87	}
	88
	89	void wxMacCocoaAutorelease( void* obj )
	90	{
	91	[(NSObject*)obj autorelease];
	92	}
	93
	94	void* wxMacCocoaRetain( void* obj )
	95	{
	96	[(NSObject*)obj retain];
	97	return obj;
	98	}
	99
	100	// ----------------------------------------------------------------------------
	101	// NSFont Utils
	102	// ----------------------------------------------------------------------------
	103
	104	#if wxOSX_USE_COCOA
	105
	106	WX_NSFont wxFont::OSXCreateNSFont(wxOSXSystemFont font, wxNativeFontInfo* info)
	107	{
	108	NSFont* nsfont = nil;
	109	switch( font )
	110	{
	111	case wxOSX_SYSTEM_FONT_NORMAL:
	112	nsfont = [NSFont systemFontOfSize:[NSFont systemFontSize]];
	113	break;
	114	case wxOSX_SYSTEM_FONT_BOLD:
	115	nsfont = [NSFont boldSystemFontOfSize:[NSFont systemFontSize]];
	116	break;
	117	case wxOSX_SYSTEM_FONT_SMALL:
	118	nsfont = [NSFont systemFontOfSize:[NSFont smallSystemFontSize]];
	119	break;
	120	case wxOSX_SYSTEM_FONT_SMALL_BOLD:
	121	nsfont = [NSFont boldSystemFontOfSize:[NSFont smallSystemFontSize]];
	122	break;
	123	case wxOSX_SYSTEM_FONT_MINI:
	124	nsfont = [NSFont systemFontOfSize:
	125	[NSFont systemFontSizeForControlSize:NSMiniControlSize]];
	126	break;
	127	case wxOSX_SYSTEM_FONT_MINI_BOLD:
	128	nsfont = [NSFont boldSystemFontOfSize:
	129	[NSFont systemFontSizeForControlSize:NSMiniControlSize]];
	130	break;
	131	case wxOSX_SYSTEM_FONT_LABELS:
	132	nsfont = [NSFont labelFontOfSize:[NSFont labelFontSize]];
	133	break;
	134	case wxOSX_SYSTEM_FONT_VIEWS:
	135	nsfont = [NSFont controlContentFontOfSize:0];
	136	break;
	137	default:
	138	break;
	139	}
	140	[nsfont retain];
	141	NSFontDescriptor*desc = [[nsfont fontDescriptor] retain];
	142	if ( info->m_faceName.empty())
	143	{
	144	wxFontStyle fontstyle = wxFONTSTYLE_NORMAL;
	145	wxFontWeight fontweight = wxFONTWEIGHT_NORMAL;
	146	bool underlined = false;
	147
	148	int size = (int) ([desc pointSize]+0.5);
	149	NSFontSymbolicTraits traits = [desc symbolicTraits];
	150
	151	if ( traits & NSFontBoldTrait )
	152	fontweight = wxFONTWEIGHT_BOLD ;
	153	else
	154	fontweight = wxFONTWEIGHT_NORMAL ;
	155	if ( traits & NSFontItalicTrait )
	156	fontstyle = wxFONTSTYLE_ITALIC ;
	157
	158	wxCFStringRef fontname( [desc postscriptName] );
	159	info->Init(size,wxFONTFAMILY_DEFAULT,fontstyle,fontweight,underlined,
	160	fontname.AsString(), wxFONTENCODING_DEFAULT);
	161
	162	}
	163	info->m_nsFontDescriptor = desc;
	164	return nsfont;
	165	}
	166
	167	void wxNativeFontInfo::OSXValidateNSFontDescriptor()
	168	{
	169	NSFontDescriptor* desc = nil;
	170	NSFontSymbolicTraits traits = 0;
	171	float weight = 0;
	172
	173	if (m_weight == wxFONTWEIGHT_BOLD)
	174	{
	175	traits \|= NSFontBoldTrait;
	176	weight = 1.0;
	177	}
	178	else if (m_weight == wxFONTWEIGHT_LIGHT)
	179	weight = -1;
	180
	181	if (m_style == wxFONTSTYLE_ITALIC \|\| m_style == wxFONTSTYLE_SLANT)
	182	traits \|= NSFontItalicTrait;
	183
	184	desc = [NSFontDescriptor fontDescriptorWithFontAttributes:
	185	[[NSDictionary alloc] initWithObjectsAndKeys:
	186	wxCFStringRef(m_faceName).AsNSString(), NSFontFamilyAttribute,
	187	[NSNumber numberWithFloat:m_pointSize], NSFontSizeAttribute,
	188	[NSNumber numberWithUnsignedInt:traits], NSFontSymbolicTrait,
	189	[NSNumber numberWithFloat:weight],NSFontWeightTrait,
	190	nil]];
	191
	192	wxMacCocoaRetain(desc);
	193	m_nsFontDescriptor = desc;
	194	}
	195
	196	WX_NSFont wxFont::OSXCreateNSFont(const wxNativeFontInfo* info)
	197	{
	198	NSFont* nsFont;
	199	nsFont = [NSFont fontWithDescriptor:info->m_nsFontDescriptor size:info->m_pointSize];
	200	wxMacCocoaRetain(nsFont);
	201	return nsFont;
	202	}
	203
	204	#endif
	205
	206	#if wxOSX_USE_IPHONE
	207
	208	WX_UIFont wxFont::OSXCreateUIFont(wxOSXSystemFont font, wxNativeFontInfo* info)
	209	{
	210	UIFont* uifont;
	211	switch( font )
	212	{
	213	case wxOSX_SYSTEM_FONT_NORMAL:
	214	uifont = [UIFont systemFontOfSize:[UIFont systemFontSize]];
	215	break;
	216	case wxOSX_SYSTEM_FONT_BOLD:
	217	uifont = [UIFont boldSystemFontOfSize:[UIFont systemFontSize]];
	218	break;
	219	case wxOSX_SYSTEM_FONT_MINI:
	220	case wxOSX_SYSTEM_FONT_SMALL:
	221	uifont = [UIFont systemFontOfSize:[UIFont smallSystemFontSize]];
	222	break;
	223	case wxOSX_SYSTEM_FONT_MINI_BOLD:
	224	case wxOSX_SYSTEM_FONT_SMALL_BOLD:
	225	uifont = [UIFont boldSystemFontOfSize:[UIFont smallSystemFontSize]];
	226	break;
	227	case wxOSX_SYSTEM_FONT_VIEWS:
	228	case wxOSX_SYSTEM_FONT_LABELS:
	229	uifont = [UIFont systemFontOfSize:[UIFont labelFontSize]];
	230	break;
	231	default:
	232	break;
	233	}
	234	[uifont retain];
	235	if ( info->m_faceName.empty())
	236	{
	237	wxFontStyle fontstyle = wxFONTSTYLE_NORMAL;
	238	wxFontWeight fontweight = wxFONTWEIGHT_NORMAL;
	239	bool underlined = false;
	240
	241	int size = (int) ([uifont pointSize]+0.5);
	242	/*
	243	NSFontSymbolicTraits traits = [desc symbolicTraits];
	244
	245	if ( traits & NSFontBoldTrait )
	246	fontweight = wxFONTWEIGHT_BOLD ;
	247	else
	248	fontweight = wxFONTWEIGHT_NORMAL ;
	249	if ( traits & NSFontItalicTrait )
	250	fontstyle = wxFONTSTYLE_ITALIC ;
	251	*/
	252	wxCFStringRef fontname( wxCFRetain([uifont familyName]) );
	253	info->Init(size,wxFONTFAMILY_DEFAULT,fontstyle,fontweight,underlined,
	254	fontname.AsString(), wxFONTENCODING_DEFAULT);
	255
	256	}
	257	return uifont;
	258	}
	259
	260	WX_UIFont wxFont::OSXCreateUIFont(const wxNativeFontInfo* info)
	261	{
	262	UIFont* uiFont;
	263	uiFont = [UIFont fontWithName:wxCFStringRef(info->m_faceName).AsNSString() size:info->m_pointSize];
	264	wxMacCocoaRetain(uiFont);
	265	return uiFont;
	266	}
	267
	268	#endif
	269	// ----------------------------------------------------------------------------
	270	// NSImage Utils
	271	// ----------------------------------------------------------------------------
	272
	273	#if wxOSX_USE_IPHONE
	274
	275	WX_UIImage wxOSXCreateUIImageFromCGImage( CGImageRef image )
	276	{
	277	UIImage *newImage = [UIImage imageWithCGImage:image];
	278	[newImage autorelease];
	279	return( newImage );
	280	}
	281
	282	#endif
	283
	284	#if wxOSX_USE_COCOA
	285
	286	// From "Cocoa Drawing Guide:Working with Images"
	287	WX_NSImage wxOSXCreateNSImageFromCGImage( CGImageRef image )
	288	{
	289	NSRect imageRect = NSMakeRect(0.0, 0.0, 0.0, 0.0);
	290
	291	// Get the image dimensions.
	292	imageRect.size.height = CGImageGetHeight(image);
	293	imageRect.size.width = CGImageGetWidth(image);
	294
	295	// Create a new image to receive the Quartz image data.
	296	NSImage *newImage = [[NSImage alloc] initWithSize:imageRect.size];
	297	[newImage lockFocus];
	298
	299	// Get the Quartz context and draw.
	300	CGContextRef imageContext = (CGContextRef) [[NSGraphicsContext currentContext] graphicsPort];
	301	CGContextDrawImage( imageContext, (CGRect)&imageRect, image );
	302	[newImage unlockFocus];
	303
	304	/*
	305	// Create a bitmap rep from the image...
	306	NSBitmapImageRep *bitmapRep = [[NSBitmapImageRep alloc] initWithCGImage:cgImage];
	307	// Create an NSImage and add the bitmap rep to it...
	308	NSImage *image = [[NSImage alloc] init];
	309	[image addRepresentation:bitmapRep];
	310	[bitmapRep release];
	311	*/
	312	[newImage autorelease];
	313	return( newImage );
	314	}
	315
	316	CGImageRef wxOSXCreateCGImageFromNSImage( WX_NSImage nsimage )
	317	{
	318	// based on http://www.mail-archive.com/cocoa-dev@lists.apple.com/msg18065.html
	319
	320	NSSize imageSize = [nsimage size];
	321	CGColorSpaceRef genericRGB = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
	322	CGContextRef context = CGBitmapContextCreate(NULL, imageSize.width, imageSize.height, 8, 0, genericRGB, kCGImageAlphaPremultipliedFirst);
	323	NSGraphicsContext *nsGraphicsContext = [NSGraphicsContext graphicsContextWithGraphicsPort:context flipped:NO];
	324	[NSGraphicsContext saveGraphicsState];
	325	[NSGraphicsContext setCurrentContext:nsGraphicsContext];
	326	[[NSColor whiteColor] setFill];
	327	NSRectFill(NSMakeRect(0.0, 0.0, imageSize.width, imageSize.height));
	328	[nsimage drawAtPoint:NSZeroPoint fromRect:NSZeroRect operation:NSCompositeCopy fraction:1.0];
	329	[NSGraphicsContext setCurrentContext:nsGraphicsContext];
	330	CGImageRef image = CGBitmapContextCreateImage(context);
	331	CFRelease(context);
	332	return image;
	333	}
	334
	335	// ----------------------------------------------------------------------------
	336	// NSCursor Utils
	337	// ----------------------------------------------------------------------------
	338
	339	// copied from cursor.mm
	340
	341	static NSCursor* wxGetStockCursor( short sIndex )
	342	{
	343	ClassicCursor* pCursor = &gMacCursors[sIndex];
	344
	345	//Classic mac cursors are 1bps 16x16 black and white with a
	346	//identical mask that is 1 for on and 0 for off
	347	NSImage *theImage = [[NSImage alloc] initWithSize:NSMakeSize(16.0,16.0)];
	348
	349	//NSCursor takes an NSImage takes a number of Representations - here
	350	//we need only one for the raw data
	351	NSBitmapImageRep *theRep = [[NSBitmapImageRep alloc]
	352	initWithBitmapDataPlanes: NULL // Tell Cocoa to allocate the planes for us.
	353	pixelsWide: 16 // All classic cursors are 16x16
	354	pixelsHigh: 16
	355	bitsPerSample: 1 // All classic cursors are bitmaps with bitmasks
	356	samplesPerPixel: 2 // Sample 0:image 1:mask
	357	hasAlpha: YES // Identify last sample as a mask
	358	isPlanar: YES // Use a separate array for each sample
	359	colorSpaceName: NSCalibratedWhiteColorSpace // 0.0=black 1.0=white
	360	bytesPerRow: 2 // Rows in each plane are on 2-byte boundaries (no pad)
	361	bitsPerPixel: 1]; // same as bitsPerSample since data is planar
	362
	363	// Ensure that Cocoa allocated 2 and only 2 of the 5 possible planes
	364	unsigned char *planes[5];
	365	[theRep getBitmapDataPlanes:planes];
	366	wxASSERT(planes[0] != NULL);
	367	wxASSERT(planes[1] != NULL);
	368	wxASSERT(planes[2] == NULL);
	369	wxASSERT(planes[3] == NULL);
	370	wxASSERT(planes[4] == NULL);
	371
	372	// NOTE1: The Cursor's bits field is white=0 black=1.. thus the bitwise-not
	373	// Why not use NSCalibratedBlackColorSpace? Because that reverses the
	374	// sense of the alpha (mask) plane.
	375	// NOTE2: The mask data is 0=off 1=on
	376	// NOTE3: Cocoa asks for "premultiplied" color planes. Since we have a
	377	// 1-bit color plane and a 1-bit alpha plane we can just do a bitwise-and
	378	// on the two. The original cursor bitmaps have 0 (white actually) for
	379	// any masked-off pixels. Therefore every masked-off pixel would be wrong
	380	// since we bit-flip all of the picture bits. In practice, Cocoa doesn't
	381	// seem to care, but we are following the documentation.
	382
	383	// Fill in the color (black/white) plane
	384	for(int i=0; i<16; ++i)
	385	{
	386	planes[0][2*i ] = (~pCursor->bits[i] & pCursor->mask[i]) >> 8 & 0xff;
	387	planes[0][2*i+1] = (~pCursor->bits[i] & pCursor->mask[i]) & 0xff;
	388	}
	389	// Fill in the alpha (i.e. mask) plane
	390	for(int i=0; i<16; ++i)
	391	{
	392	planes[1][2*i ] = pCursor->mask[i] >> 8 & 0xff;
	393	planes[1][2*i+1] = pCursor->mask[i] & 0xff;
	394	}
	395
	396	//add the representation (data) to the image
	397	[theImage addRepresentation:theRep];
	398
	399	//create the new cursor
	400	NSCursor* theCursor = [[NSCursor alloc] initWithImage:theImage
	401	hotSpot:NSMakePoint(pCursor->hotspot[1], pCursor->hotspot[0])
	402	];
	403
	404	//do the usual cleanups
	405	[theRep release];
	406	[theImage release];
	407
	408	//return the new cursor
	409	return theCursor;
	410	}
	411
	412	WX_NSCursor wxMacCocoaCreateStockCursor( int cursor_type )
	413	{
	414	WX_NSCursor cursor = nil;
	415	switch (cursor_type)
	416	{
	417	case wxCURSOR_COPY_ARROW:
	418	cursor = [[NSCursor arrowCursor] retain];
	419	break;
	420
	421	case wxCURSOR_WATCH:
	422	case wxCURSOR_WAIT:
	423	// should be displayed by the system when things are running
	424	cursor = [[NSCursor arrowCursor] retain];
	425	break;
	426
	427	case wxCURSOR_IBEAM:
	428	cursor = [[NSCursor IBeamCursor] retain];
	429	break;
	430
	431	case wxCURSOR_CROSS:
	432	cursor = [[NSCursor crosshairCursor] retain];
	433	break;
	434
	435	case wxCURSOR_SIZENWSE:
	436	cursor = wxGetStockCursor(kwxCursorSizeNWSE);
	437	break;
	438
	439	case wxCURSOR_SIZENESW:
	440	cursor = wxGetStockCursor(kwxCursorSizeNESW);
	441	break;
	442
	443	case wxCURSOR_SIZEWE:
	444	cursor = [[NSCursor resizeLeftRightCursor] retain];
	445	break;
	446
	447	case wxCURSOR_SIZENS:
	448	cursor = [[NSCursor resizeUpDownCursor] retain];
	449	break;
	450
	451	case wxCURSOR_SIZING:
	452	cursor = wxGetStockCursor(kwxCursorSize);
	453	break;
	454
	455	case wxCURSOR_HAND:
	456	cursor = [[NSCursor pointingHandCursor] retain];
	457	break;
	458
	459	case wxCURSOR_BULLSEYE:
	460	cursor = wxGetStockCursor(kwxCursorBullseye);
	461	break;
	462
	463	case wxCURSOR_PENCIL:
	464	cursor = wxGetStockCursor(kwxCursorPencil);
	465	break;
	466
	467	case wxCURSOR_MAGNIFIER:
	468	cursor = wxGetStockCursor(kwxCursorMagnifier);
	469	break;
	470
	471	case wxCURSOR_NO_ENTRY:
	472	cursor = wxGetStockCursor(kwxCursorNoEntry);
	473	break;
	474
	475	case wxCURSOR_PAINT_BRUSH:
	476	cursor = wxGetStockCursor(kwxCursorPaintBrush);
	477	break;
	478
	479	case wxCURSOR_POINT_LEFT:
	480	cursor = wxGetStockCursor(kwxCursorPointLeft);
	481	break;
	482
	483	case wxCURSOR_POINT_RIGHT:
	484	cursor = wxGetStockCursor(kwxCursorPointRight);
	485	break;
	486
	487	case wxCURSOR_QUESTION_ARROW:
	488	cursor = wxGetStockCursor(kwxCursorQuestionArrow);
	489	break;
	490
	491	case wxCURSOR_BLANK:
	492	cursor = wxGetStockCursor(kwxCursorBlank);
	493	break;
	494
	495	case wxCURSOR_RIGHT_ARROW:
	496	cursor = wxGetStockCursor(kwxCursorRightArrow);
	497	break;
	498
	499	case wxCURSOR_SPRAYCAN:
	500	cursor = wxGetStockCursor(kwxCursorRoller);
	501	break;
	502
	503	case wxCURSOR_OPEN_HAND:
	504	cursor = [[NSCursor openHandCursor] retain];
	505	break;
	506
	507	case wxCURSOR_CLOSED_HAND:
	508	cursor = [[NSCursor closedHandCursor] retain];
	509	break;
	510
	511	case wxCURSOR_CHAR:
	512	case wxCURSOR_ARROW:
	513	case wxCURSOR_LEFT_BUTTON:
	514	case wxCURSOR_RIGHT_BUTTON:
	515	case wxCURSOR_MIDDLE_BUTTON:
	516	default:
	517	cursor = [[NSCursor arrowCursor] retain];
	518	break;
	519	}
	520	return cursor;
	521	}
	522
	523	// C-based style wrapper routines around NSCursor
	524	WX_NSCursor wxMacCocoaCreateCursorFromCGImage( CGImageRef cgImageRef, float hotSpotX, float hotSpotY )
	525	{
	526	static BOOL firstTime = YES;
	527
	528	if ( firstTime )
	529	{
	530	// Must first call [[[NSWindow alloc] init] release] to get the NSWindow machinery set up so that NSCursor can use a window to cache the cursor image
	531	[[[NSWindow alloc] init] release];
	532	firstTime = NO;
	533	}
	534
	535	NSImage *nsImage = wxOSXCreateNSImageFromCGImage( cgImageRef );
	536	NSCursor *cursor = [[NSCursor alloc] initWithImage:nsImage hotSpot:NSMakePoint( hotSpotX, hotSpotY )];
	537
	538	[nsImage release];
	539
	540	return cursor;
	541	}
	542
	543	void wxMacCocoaSetCursor( WX_NSCursor cursor )
	544	{
	545	[cursor set];
	546	}
	547
	548	void wxMacCocoaHideCursor()
	549	{
	550	[NSCursor hide];
	551	}
	552
	553	void wxMacCocoaShowCursor()
	554	{
	555	[NSCursor unhide];
	556	}
	557
	558	#endif
	559