gfx_pset.c

Go to the documentation of this file.

/* pixel plotting */

#include "fb_gfx.h"


/*:::::*/
FBCALL void fb_GfxPset(void *target, float fx, float fy, unsigned int color, int flags, int ispreset)
{
        FB_GFXCTX *context = fb_hGetContext();
        int x, y;
        
        if (!__fb_gfx)
                return;

        fb_hPrepareTarget(context, target);
        
        if (flags & DEFAULT_COLOR_1) {
                if (ispreset)
                        color = context->bg_color;
                else
                        color = context->fg_color;
        }
        else
                color = fb_hFixColor(context->target_bpp, color);
        
        fb_hSetPixelTransfer(context, color);
        
        fb_hFixRelative(context, flags, &fx, &fy, NULL, NULL);
        
        fb_hTranslateCoord(context, fx, fy, &x, &y);
        
        if ((x < context->view_x) || (y < context->view_y) ||
            (x >= context->view_x + context->view_w) || (y >= context->view_y + context->view_h))
                return;
        
        DRIVER_LOCK();
        context->put_pixel(context, x, y, color);
        if (__fb_gfx->framebuffer == context->line[0])
                __fb_gfx->dirty[y] = TRUE;
        DRIVER_UNLOCK();
}