C++ (Cpp) caca_set_canvas_boundaries Examples

Example #1

File: filter.c Project: KubaKaszycki/toilet

static void filter_crop(context_t *cx)
{
    unsigned int x, y, w, h;
    unsigned int xmin, xmax, ymin, ymax;

    xmin = w = caca_get_canvas_width(cx->torender);
    xmax = 0;
    ymin = h = caca_get_canvas_height(cx->torender);
    ymax = 0;

    for(y = 0; y < h; y++)
        for(x = 0; x < w; x++)
    {
        unsigned long int ch = caca_get_char(cx->torender, x, y);
        if(ch != (unsigned char)' ')
        {
            if(x < xmin)
                xmin = x;
            if(x > xmax)
                xmax = x;
            if(y < ymin)
                ymin = y;
            if(y > ymax)
                ymax = y;
        }
    }

    if(xmax < xmin || ymax < ymin)
        return;

    caca_set_canvas_boundaries(cx->torender, xmin, ymin,
                                xmax - xmin + 1, ymax - ymin + 1);
}

Example #2

File: filter.c Project: KubaKaszycki/toilet

static void filter_border(context_t *cx)
{
    int w, h;

    w = caca_get_canvas_width(cx->torender);
    h = caca_get_canvas_height(cx->torender);

    caca_set_canvas_boundaries(cx->torender, -1, -1, w + 2, h + 2);

    caca_draw_cp437_box(cx->torender, 0, 0, w + 2, h + 2);
}

Example #3

File: org_zoy_caca_Canvas.c Project: zougloub/libcaca

JNIEXPORT void JNICALL
Java_org_zoy_caca_Canvas_setCanvasBoundaries(JNIEnv *env, jclass cls, jlong ptr,
        jint x, jint y, jint w, jint h)
{
    caca_set_canvas_boundaries((caca_canvas_t *)ptr, x, y, w, h);
}