tonc_sbmp16.c File Reference

#include "tonc_surface.h"
#include "tonc_video.h"

Defines
#define	PXSIZE   sizeof(pixel_t)
#define	PXPTR(psrf, x, y)   (pixel_t*)(psrf->data + (y)*psrf->pitch + (x)*sizeof(pixel_t) )
#define	BLIT_CLIP(_ax, _aw, _w, _bx)
Typedefs
typedef u16	pixel_t
Functions
void	sbmp16_floodfill_internal (const TSurface *dst, int x, int y, u16 clrNew, u16 clrOld)
u32	sbmp16_get_pixel (const TSurface *src, int x, int y)
	Get the pixel value of src at (x, y).
void	sbmp16_plot (const TSurface *dst, int x, int y, u32 clr)
	Plot a single pixel on a 16-bit buffer.
void	sbmp16_hline (const TSurface *dst, int x1, int y, int x2, u32 clr)
	Draw a horizontal line on an 16bit buffer.
void	sbmp16_vline (const TSurface *dst, int x, int y1, int y2, u32 clr)
	Draw a vertical line on an 16bit buffer.
void	sbmp16_line (const TSurface *dst, int x1, int y1, int x2, int y2, u32 clr)
	Draw a line on an 16bit buffer.
void	sbmp16_rect (const TSurface *dst, int left, int top, int right, int bottom, u32 clr)
	Draw a rectangle in 16bit mode.
void	sbmp16_frame (const TSurface *dst, int left, int top, int right, int bottom, u32 clr)
	Draw a rectangle in 16bit mode.
void	sbmp16_blit (const TSurface *dst, int dstX, int dstY, uint width, uint height, const TSurface *src, int srcX, int srcY)
	16bpp blitter. Copies a rectangle from one surface to another.
void	sbmp16_floodfill (const TSurface *dst, int x, int y, u32 clr)
	Floodfill an area of the same color with new color clr.
void	sbmp16_floodfill_internal (const TSurface *dst, int x, int y, pixel_t clrNew, pixel_t clrOld)
	Internal routine for floodfill.
Variables
const TSurface	m3_surface
EWRAM_DATA TSurface	m5_surface
const TSurfaceProcTab	bmp16_tab

---

Detailed Description

Author:

J Vijn

Date:

20080120 - 20080128

Todo:

Code consistency.

---

Define Documentation

#define BLIT_CLIP	(	_ax,
		_aw,
		_w,
		_bx		)

Value:

do {                                            \
        if( (_ax) >= (_aw) || (_ax)+(_w) <= 0 )     \
            return;                                 \
        if( (_ax)<0 )                               \
        {   _w += (_ax); _bx += (_ax); _ax= 0;  }   \
        if( (_w) > (_aw)-(_ax) )                    \
            _w = (_aw)-(_ax);                       \
    } while(0)

---

Variable Documentation

const TSurfaceProcTab bmp16_tab

Initial value:

 
{
    "bmp16",
    sbmp16_get_pixel,
    sbmp16_plot, 
    sbmp16_hline, 
    sbmp16_vline, 
    sbmp16_line, 
    sbmp16_rect, 
    sbmp16_frame, 
    sbmp16_blit, 
    sbmp16_floodfill, 
}

const TSurface m3_surface

Initial value:

 
{
    (u8*)m3_mem , M3_WIDTH*2, M3_WIDTH, M3_HEIGHT, SRF_BMP16, 16, 
    0, NULL
}

EWRAM_DATA TSurface m5_surface

Initial value:

 
{
    (u8*)m5_mem , M5_WIDTH*2, M5_WIDTH, M5_HEIGHT, SRF_BMP16, 16, 
    0, NULL
}

---