gfx_window.c

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/* WINDOW statement */

#include "fb_gfx.h"


/*:::::*/
FBCALL void fb_GfxWindow(float x1, float y1, float x2, float y2, int screen)
{
        FB_GFXCTX *context = fb_hGetContext();
        float temp;
        
        if (!__fb_gfx)
                return;
        
        if (x1 || y1 || x2 || y2) {
                if (x2 < x1) {
                        temp = x1;
                        x1 = x2;
                        x2 = temp;
                }
                if (y2 < y1) {
                        temp = y1;
                        y1 = y2;
                        y2 = temp;
                }
                
                context->win_x = x1;
                context->win_w = x2 - x1;
                context->win_y = y1;
                context->win_h = y2 - y1;
                context->flags |= CTX_WINDOW_ACTIVE;
                if (screen)
                        context->flags |= CTX_WINDOW_SCREEN;
        }
        else
                context->flags &= ~(CTX_WINDOW_ACTIVE | CTX_WINDOW_SCREEN);
}