/* Copyright (c) 2012 Aaron Skomra and Braden Wooley
 *
 * XtoqImageRep.m
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use, copy,
 * modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#import "XtoqImageRep.h"

@implementation XtoqImageRep

- (NSArray *)imageUnfilteredTypes
{
    imageTypes = [[NSArray alloc] initWithObjects:nil];
    return imageTypes;
}

- (BOOL)canInitWithData:(xcb_image_t *)imageData
{
    if (imageData == NULL) {
        return NO;
    }
    return YES;
}

- (id)initWithData:(xcwm_image_t *)imageData x:(int)x y:(int)y
{
    imageParent = imageData;
    imageT = imageData->image;
    self = [super init];
    if (!self) {
        return nil;
    }
    CGDataProviderRef cgdat = CGDataProviderCreateWithData(
        NULL,
        imageT->data,
        imageT->size,
        NULL
        );

    CGColorSpaceRef csp = CGColorSpaceCreateDeviceRGB();
    CGBitmapInfo bitmapInfo = kCGImageAlphaNoneSkipFirst |
                              kCGBitmapByteOrder32Host;
    cgImage = CGImageCreate(imageT->width,   // size_t width,
                            imageT->height,  //size_t height,
                            8,   //size_t bitsPerComponent,
                            32,  //size_t bitsPerPixel,
                            imageT->stride,  //size_t bytesPerRow,
                            csp,  //CGColorSpaceRef colorspace,
                            bitmapInfo,
                            cgdat, //CGDataProviderRef provider,
                            NULL,  //const CGFloat decode[],
                            YES,  //bool shouldInterpolate,
                            kCGRenderingIntentDefault  //CGColorRenderingIntent intent
                            );
    width = CGImageGetWidth(cgImage);
    height = CGImageGetHeight(cgImage);
    size = NSMakeSize(width, height);
    imageX = x;
    imageY = y;

    return self;
}

- (BOOL)draw
{
    CGContextRef contextMac =
        [[NSGraphicsContext currentContext] graphicsPort];
    if (contextMac == NULL)
        NSLog(@"NULL context in draw");
    if (!cgImage) {
        NSLog(@"No image");
        return NO;
    }
    CGContextDrawImage(contextMac, CGRectMake(imageX, imageY, width,
                                              height), cgImage);

    return YES;
}

- (BOOL)drawInRect:(NSRect)rect
{
    CGContextRef contextMac =
        [[NSGraphicsContext currentContext] graphicsPort];
    if (contextMac == NULL)
        NSLog(@"NULL context in drawInRect");
    if (!cgImage) {
        NSLog(@"No image");
        return NO;
    }
    //changed origin to imageX imageY to get damage to work
    CGContextDrawImage(contextMac, CGRectMake(imageX, imageY, width,
                                              height), cgImage);

    return YES;
}

- (NSSize)size
{
    return size;
}

- (CGFloat)getWidth
{
    return width;
}

- (CGFloat)getHeight
{
    return height;
}

- (float)imageX
{
    return imageX;
}

- (float)imageY
{
    return imageY;
}

- (void)destroy
{
    if (imageParent) {
        xcwm_image_destroy(imageParent);
    }
}

@end