darling-cocotron/AppKit/Win32.subproj/O2Context_gdi+AppKit.m

#import "O2Context_gdi+AppKit.h"
#import "Win32DeviceContextPrinter.h"
#import "Win32DeviceContextWindow.h"
#import "Win32Window.h"
#import <Onyx2D/O2GraphicsState.h>
#import <Onyx2D/O2PDFContext.h>
#import <Onyx2D/O2Surface_DIBSection.h>

@implementation O2Context_gdi (AppKit)

- initWithHWND: (HWND) handle {
    O2DeviceContext_gdi *deviceContext = [[[Win32DeviceContextWindow alloc]
            initWithWindowHandle: handle] autorelease];
    NSSize size = [deviceContext pixelSize];
    O2GState *gState = [[[O2GState alloc]
            initFlippedWithDeviceHeight: size.height] autorelease];

    return [self initWithGraphicsState: gState deviceContext: deviceContext];
}

- initWithPrinterDC: (HDC) printer
        auxiliaryInfo: (NSDictionary *) auxiliaryInfo
{
    O2DeviceContext_gdi *deviceContext = [[[Win32DeviceContextPrinter alloc]
            initWithDC: printer] autorelease];
    NSSize pointSize = [deviceContext pointSize];
    NSSize pixelsPerInch = [deviceContext pixelsPerInch];

    O2AffineTransform scale = O2AffineTransformMakeScale(
            pixelsPerInch.width / 72.0, pixelsPerInch.height / 72.0);
    O2GState *gState =
            [[[O2GState alloc] initFlippedWithDeviceHeight: pointSize.height
                                                    concat: scale] autorelease];

    if ([self initWithGraphicsState: gState
                      deviceContext: deviceContext] == nil)
        return nil;

    NSString *title = [auxiliaryInfo objectForKey: kO2PDFContextTitle];

    if (title == nil)
        title = @"Untitled";

    [[self deviceContext] beginPrintingWithDocumentName: title];

    return self;
}

- (BOOL) isBitmapContext {
    return [[self deviceContext]
                   isKindOfClass: [Win32DeviceContextPrinter class]] == NO;
}

- initWithSize: (NSSize) size window: (CGWindow *) window {
    O2GState *gState = [[[O2GState alloc]
            initFlippedWithDeviceHeight: size.height] autorelease];
    HWND handle = [(Win32Window *) window windowHandle];
    O2DeviceContext_gdi *deviceContext = [[[Win32DeviceContextWindow alloc]
            initWithWindowHandle: handle] autorelease];

    return [self initWithGraphicsState: gState deviceContext: deviceContext];
}

- initWithSize: (NSSize) size context: (O2Context *) otherX {
    O2GState *gState = [[[O2GState alloc]
            initFlippedWithDeviceHeight: size.height] autorelease];
    O2Context_gdi *other = (O2Context_gdi *) otherX;
    O2Surface_DIBSection *surface =
            [[O2Surface_DIBSection alloc] initWithWidth: size.width
                                                 height: size.height
                            compatibleWithDeviceContext: [other deviceContext]];

    self = [self initWithGraphicsState: gState
                         deviceContext: [surface deviceContext]];

    _surface = surface;

    return self;
}

- (HWND) windowHandle {
    return [[[self deviceContext] windowDeviceContext] windowHandle];
}

@end