Exemplo n.º 1
0
/* for graphic displays only */
static void drv_MDM166A_blit(const int row, const int col, const int height, const int width)
{
    int n, x, y, yb;
    unsigned char c;

    if (NeedRefresh == 0) {
	minX = width;
	maxX = 0;
    }

    for (y = row; y < row + height && y < SCREEN_H; ++y)
	for (x = col; x < col + width && x < SCREEN_W; ++x) {
	    yb = (y / 8);
	    n = x + (yb * SCREEN_W);

	    c = *(mdm166a_framebuffer + n);
	    if (drv_generic_graphic_black(y, x) ^ nDrawInverted)
		c |= 0x80 >> (y % 8);
	    else
		c &= ~(0x80 >> (y % 8));

	    if (c != *(mdm166a_framebuffer + n)) {
		*(mdm166a_framebuffer + n) = c;
		minX = (minX < x) ? minX : x;
		maxX = (maxX > (x + 1)) ? maxX : (x + 1);
		NeedRefresh = 1;
	    }
	}
Exemplo n.º 2
0
static void drv_MOGX_blit(const int row, const int col, const int height, const int width)
{
    int r, c;

    for (r = row; r < row + height; r++) {
	for (c = col; c < col + width; c++)
	    MOGX_framebuffer[r * SCREEN_W + c] = drv_generic_graphic_black(r, c);
    }
    drv_MOGX_update_lcd();
}
Exemplo n.º 3
0
static void drv_PICGraphic_blit(const int row, const int col, const int height, const int width)
{
    /* update a rectangular portion of the display */
    int r, c, index, status;
    unsigned char cmd[5];

    debug("blit from (%d,%d) to (%d,%d) out of (%d,%d)", row, col, row + height, col + width, DROWS, DCOLS);
    if (!fbPG)
	return;
    for (c = min(col, DCOLS - 1); c < min(col + width, DCOLS); c++) {
	for (r = min(row, DROWS - 1); r < min(row + height, DROWS); r++) {
	    index = DCOLS * (r / 8) + c;
	    if (index < 0 || index >= DCOLS * DROWS / 8) {
		error("index too large: %d, r: %d, c: %d", index, r, c);
		break;
	    }
	    if (drv_generic_graphic_black(r, c)) {
		fbPG[index] |= (1 << (r % 8));
	    } else {
		fbPG[index] &= ~(1 << (r % 8));
	    }
	}
    }

    // send rectangular portion with height divisible by 8
#ifdef partialFrame
    if (delayDone) {
	delayDone = 0;
	int row8, height8;
	row8 = 8 * (row / 8);
	height8 = 8 * (height / 8) + ! !(height % 8);
	info("sending blit");
	cmd[0] = 'b';
	cmd[1] = row8;
	cmd[2] = col;
	cmd[3] = height8;
	cmd[4] = width;
	drv_PICGraphic_send(cmd, 5);
	for (r = min(row8, DROWS - 1); r < min(row8 + height8, DROWS); r += 8) {
	    drv_PICGraphic_send(fbPG + DCOLS * (r / 8) + col, width);
	}
    }
#else
    // send full frame
    if (delayDone) {
	delayDone = 0;
	info("sending frame");
	cmd[0] = 'f';
	drv_PICGraphic_send((char *) cmd, 1);
	drv_PICGraphic_send(fbPG, DROWS * DCOLS / 8);
	usleep(20000);
	// wait for reception of confirmation code
	status = drv_PICGraphic_recv((char *) cmd, 2, "ff");
	if (!status) {
	    info("received ff from device");
	} else {
	    info("did not receive ff from device");
	}

    }
#endif
}
Exemplo n.º 4
0
/* copy framebuffer to display */
static void drv_EA232graphic_blit(const int row, const int col, const int height, const int width)
{

    int r, c, l, p;
    char *cmd;

    /* calculate length of command */
    l = 0;
    switch (Model->protocol) {
    case 1:
    case 2:
	l = ((height + 7) / 8) * width;
	break;
    case 3:
	l = ((width + 7) / 8) * height;
	break;
    default:
	error("%s: undefined protocol type", Name);
	return;
    }

    /* add maximum length of command header */
    cmd = (char *) malloc(l + 10);
    if (cmd == NULL) {
	error("%s: allocation of buffer failed: %s", Name, strerror(errno));
	return;
    }
    p = 0;

    /* write command header */
    switch (Model->protocol) {
    case 1:
    case 3:
	cmd[p++] = 'U';
	cmd[p++] = col;
	cmd[p++] = row;
	cmd[p++] = width;
	cmd[p++] = height;
	break;
    case 2:
	cmd[p++] = ESC;
	cmd[p++] = 'U';
	cmd[p++] = 'L';
	cmd[p++] = col;
	cmd[p++] = row;
	cmd[p++] = width;
	cmd[p++] = height;
	break;
    default:
	error("%s: undefined protocol type", Name);
	free(cmd);
	return;
    }

    /* clear all pixels */
    memset(cmd + p, 0, l);

    /* set pixels */
    switch (Model->protocol) {
    case 1:
    case 2:
	for (r = 0; r < height; r++) {
	    for (c = 0; c < width; c++) {
		if (drv_generic_graphic_black(r + row, c + col)) {
		    cmd[(r / 8) * width + c + p] |= (LSB_BYTE << (r % 8));
		}
	    }
	}
	break;
    case 3:
	for (c = 0; c < width; c++) {
	    for (r = 0; r < height; r++) {
		if (drv_generic_graphic_black(r + row, c + col)) {
		    cmd[(c / 8) * height + r + p] |= (MSB_BYTE >> (c % 8));
		}
	    }
	}
	break;
    default:
	error("%s: undefined protocol type", Name);
	free(cmd);
	return;
    }