/*
* Copyright (c) 2012 Jonathan Schleifer <js@webkeks.org>
*
* This software is provided 'as-is', without any express or implied warranty.
* In no event will the authors be held liable for any damages arising from the
* use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1.) The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2.) Altered source versions must be plainly marked as such, and must not
* be misrepresented as being the original software.
* 3.) This notice may not be removed or altered from any source distribution.
*/
#include <allegro5/allegro.h>
#include <allegro5/allegro_image.h>
#import "OGKBitmap.h"
#import "OGKDisplay.h"
ogk_color_t OGK_COLOR_BLACK = { 0, 0, 0, 1 };
static ALLEGRO_COLOR
ogk_color_to_allegro(ogk_color_t color)
{
return al_map_rgba_f(color.red, color.green, color.blue, color.alpha);
}
@implementation OGKBitmap
+ (void)initialize
{
if (self != [OGKBitmap class])
return;
if (!al_init() || !al_init_image_addon())
@throw [OFInitializationFailedException
exceptionWithClass: self];
}
+ (void)setTarget: (id)target
{
if ([target isKindOfClass: [OGKDisplay class]])
al_set_target_backbuffer([target OGK_allegroDisplay]);
else
al_set_target_bitmap([target OGK_allegroBitmap]);
}
+ (void)clearToColor: (ogk_color_t)color
{
al_clear_to_color(ogk_color_to_allegro(color));
}
- initWithSize: (of_dimension_t)size
{
self = [super init];
bitmap = al_create_bitmap(size.width, size.height);
if (bitmap == NULL)
@throw [OFInitializationFailedException
exceptionWithClass: [self class]];
return self;
}
- initWithFile: (OFString*)path
{
self = [super init];
bitmap = al_load_bitmap(
[path cStringWithEncoding: OF_STRING_ENCODING_NATIVE]);
if (bitmap == NULL)
@throw [OFInitializationFailedException
exceptionWithClass: [self class]];
return self;
}
- (void)dealloc
{
if (bitmap != NULL && al_is_system_installed())
al_destroy_bitmap(bitmap);
}
- copy
{
OGKBitmap *copy = [[[self class] alloc] init];
copy->bitmap = al_clone_bitmap(bitmap);
if (copy->bitmap == NULL)
@throw [OFInitializationFailedException
exceptionWithClass: [self class]];
return copy;
}
- (instancetype)subBitmapWithRegion: (of_rectangle_t)region
{
OGKBitmap *subBitmap = [[[self class] alloc] init];
subBitmap->bitmap = al_create_sub_bitmap(bitmap, region.origin.x,
region.origin.y, region.size.width, region.size.height);
if (subBitmap->bitmap == NULL)
@throw [OFInitializationFailedException
exceptionWithClass: [self class]];
return subBitmap;
}
- (of_dimension_t)size
{
return of_dimension(al_get_bitmap_width(bitmap),
al_get_bitmap_height(bitmap));
}
- (void)drawAtPosition: (of_point_t)position
{
al_draw_bitmap(bitmap, position.x, position.y, 0);
}
- (void)drawAtPosition: (of_point_t)position
scale: (of_dimension_t)scale
{
al_draw_scaled_bitmap(bitmap, 0, 0, al_get_bitmap_width(bitmap),
al_get_bitmap_height(bitmap), position.x, position.y,
scale.width, scale.height, 0);
}
- (void)drawAtPosition: (of_point_t)position
region: (of_rectangle_t)region
{
al_draw_bitmap_region(bitmap, region.origin.x, region.origin.y,
region.size.width, region.size.height, position.x, position.y, 0);
}
- (void)drawAtPosition: (of_point_t)position
region: (of_rectangle_t)region
scale: (of_dimension_t)scale
{
al_draw_scaled_bitmap(bitmap, region.origin.x, region.origin.y,
region.size.width, region.size.height, position.x, position.y,
scale.width, scale.height, 0);
}
- (void)drawAtPosition: (of_point_t)position
tint: (ogk_color_t)tint
{
al_draw_tinted_bitmap(bitmap, ogk_color_to_allegro(tint),
position.x, position.y, 0);
}
- (void)drawAtPosition: (of_point_t)position
scale: (of_dimension_t)scale
tint: (ogk_color_t)tint
{
al_draw_tinted_scaled_bitmap(bitmap, ogk_color_to_allegro(tint),
0, 0, al_get_bitmap_width(bitmap), al_get_bitmap_height(bitmap),
position.x, position.y, scale.width, scale.height, 0);
}
- (void)drawAtPosition: (of_point_t)position
region: (of_rectangle_t)region
tint: (ogk_color_t)tint
{
al_draw_tinted_bitmap_region(bitmap, ogk_color_to_allegro(tint),
region.origin.x, region.origin.y, region.size.width,
region.size.height, position.x, position.y, 0);
}
- (void)drawAtPosition: (of_point_t)position
region: (of_rectangle_t)region
scale: (of_dimension_t)scale
tint: (ogk_color_t)tint
{
al_draw_tinted_scaled_bitmap(bitmap, ogk_color_to_allegro(tint),
region.origin.x, region.origin.y, region.size.width,
region.size.height, position.x, position.y, scale.width,
scale.height, 0);
}
- (ALLEGRO_BITMAP*)OGK_allegroBitmap
{
return bitmap;
}
@end