[sdl_omap.git] / src / video / bwindow / SDL_BView.h

/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2009 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga
    slouken@libsdl.org
*/
#include "SDL_config.h"

#ifndef _SDL_BView_h
#define _SDL_BView_h

/* This is the event handling and graphics update portion of SDL_BWin */

extern "C" {
#include "../../events/SDL_events_c.h"
};

class SDL_BView : public BView
{
public:
	SDL_BView(BRect frame) : 
		BView(frame, "SDL View", B_FOLLOW_ALL_SIDES,
					(B_WILL_DRAW|B_FRAME_EVENTS)) {
		image = NULL;
		xoff = yoff = 0;
		SetViewColor(0,0,0,0);
		SetHighColor(0,0,0,0);
	}
	virtual ~SDL_BView() {
		SetBitmap(NULL);
	}
	/* Set drawing offsets for fullscreen mode */
	virtual void SetXYOffset(int x, int y) {
		xoff = x;
		yoff = y;
	}
	virtual void GetXYOffset(int &x, int &y) {
		x = xoff;
		y = yoff;
	}
	virtual void GetXYOffset(float &x, float &y) {
		x = (float)xoff;
		y = (float)yoff;
	}
	/* The view changed size. If it means we're in fullscreen, we
	 * draw a nice black box in the entire view to get black borders.
	 */
	virtual void FrameResized(float width, float height) {
		BRect bounds;
		bounds.top = bounds.left = 0;
		bounds.right = width;
		bounds.bottom = height;
		/* Fill the entire view with black */ 
		FillRect(bounds, B_SOLID_HIGH);
		/* And if there's an image, redraw it. */
		if( image ) {
			bounds = image->Bounds();
			Draw(bounds);
		}
	}
	
	/* Drawing portion of this complete breakfast. :) */
	virtual void SetBitmap(BBitmap *bitmap) {
		if ( image ) {
			delete image;
		}
		image = bitmap;
	}
	virtual void Draw(BRect updateRect) {
		if ( image ) {
			if(xoff || yoff) {	
				BRect dest;
				dest.top    = updateRect.top + yoff;
				dest.left   = updateRect.left + xoff;
				dest.bottom = updateRect.bottom + yoff;
				dest.right  = updateRect.right + xoff;
				DrawBitmap(image, updateRect, dest);
			} else {
				DrawBitmap(image, updateRect, updateRect);
			}
		}
	}
	virtual void DrawAsync(BRect updateRect) {
		if(xoff || yoff) {	
			BRect dest;
			dest.top    = updateRect.top + yoff;
			dest.left   = updateRect.left + xoff;
			dest.bottom = updateRect.bottom + yoff;
			dest.right  = updateRect.right + xoff;;
			DrawBitmapAsync(image, updateRect, dest);
		} else {
			DrawBitmapAsync(image, updateRect, updateRect);
		}
	}

private:
	BBitmap *image;
	int xoff, yoff;
};

#endif /* _SDL_BView_h */
Commit	Line	Data
e14743d1	1	/*
	2	SDL - Simple DirectMedia Layer
	3	Copyright (C) 1997-2009 Sam Lantinga
	4
	5	This library is free software; you can redistribute it and/or
	6	modify it under the terms of the GNU Lesser General Public
	7	License as published by the Free Software Foundation; either
	8	version 2.1 of the License, or (at your option) any later version.
	9
	10	This library is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	Lesser General Public License for more details.
	14
	15	You should have received a copy of the GNU Lesser General Public
	16	License along with this library; if not, write to the Free Software
	17	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	18
	19	Sam Lantinga
	20	slouken@libsdl.org
	21	*/
	22	#include "SDL_config.h"
	23
	24	#ifndef _SDL_BView_h
	25	#define _SDL_BView_h
	26
	27	/* This is the event handling and graphics update portion of SDL_BWin */
	28
	29	extern "C" {
	30	#include "../../events/SDL_events_c.h"
	31	};
	32
	33	class SDL_BView : public BView
	34	{
	35	public:
	36	SDL_BView(BRect frame) :
	37	BView(frame, "SDL View", B_FOLLOW_ALL_SIDES,
	38	(B_WILL_DRAW\|B_FRAME_EVENTS)) {
	39	image = NULL;
	40	xoff = yoff = 0;
	41	SetViewColor(0,0,0,0);
	42	SetHighColor(0,0,0,0);
	43	}
	44	virtual ~SDL_BView() {
	45	SetBitmap(NULL);
	46	}
	47	/* Set drawing offsets for fullscreen mode */
	48	virtual void SetXYOffset(int x, int y) {
	49	xoff = x;
	50	yoff = y;
	51	}
	52	virtual void GetXYOffset(int &x, int &y) {
	53	x = xoff;
	54	y = yoff;
	55	}
	56	virtual void GetXYOffset(float &x, float &y) {
	57	x = (float)xoff;
	58	y = (float)yoff;
	59	}
	60	/* The view changed size. If it means we're in fullscreen, we
	61	* draw a nice black box in the entire view to get black borders.
	62	*/
	63	virtual void FrameResized(float width, float height) {
	64	BRect bounds;
65	bounds.top = bounds.left = 0;
66	bounds.right = width;
67	bounds.bottom = height;
68	/* Fill the entire view with black */
69	FillRect(bounds, B_SOLID_HIGH);
70	/* And if there's an image, redraw it. */
71	if( image ) {
72	bounds = image->Bounds();
73	Draw(bounds);
74	}
75	}
76
77	/* Drawing portion of this complete breakfast. :) */
78	virtual void SetBitmap(BBitmap *bitmap) {
79	if ( image ) {
80	delete image;
81	}
82	image = bitmap;
83	}
84	virtual void Draw(BRect updateRect) {
85	if ( image ) {
86	if(xoff \|\| yoff) {
87	BRect dest;
88	dest.top = updateRect.top + yoff;
89	dest.left = updateRect.left + xoff;
90	dest.bottom = updateRect.bottom + yoff;
91	dest.right = updateRect.right + xoff;
92	DrawBitmap(image, updateRect, dest);
93	} else {
94	DrawBitmap(image, updateRect, updateRect);
95	}
96	}
97	}
98	virtual void DrawAsync(BRect updateRect) {
99	if(xoff \|\| yoff) {
100	BRect dest;
101	dest.top = updateRect.top + yoff;
102	dest.left = updateRect.left + xoff;
103	dest.bottom = updateRect.bottom + yoff;
104	dest.right = updateRect.right + xoff;;
105	DrawBitmapAsync(image, updateRect, dest);
106	} else {
107	DrawBitmapAsync(image, updateRect, updateRect);
108	}
109	}
110
111	private:
112	BBitmap *image;
113	int xoff, yoff;
114	};
115
116	#endif /* _SDL_BView_h */