ftpd/source/gfx.c
2015-01-08 14:01:09 +00:00

33 lines
909 B
C
Executable File

#ifdef _3DS
#include <3ds.h>
#endif
#include <string.h>
/* Function to draw sprite, from smea/3ds_hb_menu */
void gfxDrawSprite(gfxScreen_t screen, gfx3dSide_t side, u8* spriteData, u16 width, u16 height, s16 x, s16 y)
{
if(!spriteData)return;
u16 fbWidth, fbHeight;
u8* fbAdr=gfxGetFramebuffer(screen, side, &fbWidth, &fbHeight);
if(x+width<0 || x>=fbWidth)return;
if(y+height<0 || y>=fbHeight)return;
u16 xOffset=0, yOffset=0;
u16 widthDrawn=width, heightDrawn=height;
if(x<0)xOffset=-x;
if(y<0)yOffset=-y;
if(x+width>=fbWidth)widthDrawn=fbWidth-x;
if(y+height>=fbHeight)heightDrawn=fbHeight-y;
widthDrawn-=xOffset;
heightDrawn-=yOffset;
int j;
for(j=yOffset; j<yOffset+heightDrawn; j++)
{
memcpy(&fbAdr[((x+xOffset)+(y+j)*fbWidth)*3], &spriteData[((xOffset)+(j)*width)*3], widthDrawn*3);
}
}