diff options
Diffstat (limited to 'devices/gdevlbp8.c')
| -rw-r--r-- | devices/gdevlbp8.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/devices/gdevlbp8.c b/devices/gdevlbp8.c index b99e219b..3136772a 100644 --- a/devices/gdevlbp8.c +++ b/devices/gdevlbp8.c @@ -40,7 +40,6 @@ problems #define X_DPI 300 #define Y_DPI 300 -#define LINE_SIZE ((X_DPI * 85 / 10 + 7) / 8) /* bytes per line */ /* The device descriptors */ static dev_proc_print_page(lbp8_print_page); @@ -105,22 +104,31 @@ static int can_print_page(gx_device_printer *pdev, gp_file *prn_stream, const char *init, int init_size, const char *end, int end_size) { - char data[LINE_SIZE*2]; + char *data; char *out_data; int last_line_nro = 0; + int line_size = gdev_mem_bytes_per_scan_line((gx_device *)pdev); + int code = 0; + + data = (char *)gs_alloc_bytes(pdev->memory, + line_size*2, + "lbp8_line_buffer"); + if (data == NULL) + return_error(gs_error_VMerror); gp_fwrite(init, init_size, 1, prn_stream); /* initialize */ /* Send each scan line in turn */ { int lnum; - int line_size = gdev_mem_bytes_per_scan_line((gx_device *)pdev); byte rmask = (byte)(0xff << (-pdev->width & 7)); for ( lnum = 0; lnum < pdev->height; lnum++ ) { - char *end_data = data + LINE_SIZE; - gdev_prn_copy_scan_lines(pdev, lnum, - (byte *)data, line_size); + char *end_data = data + line_size; + code = gdev_prn_copy_scan_lines(pdev, lnum, + (byte *)data, line_size); + if (code < 0) + goto xit; /* Mask off 1-bits beyond the line width. */ end_data[-1] &= rmask; /* Remove trailing 0s. */ @@ -194,7 +202,10 @@ can_print_page(gx_device_printer *pdev, gp_file *prn_stream, if (end != NULL) (void)gp_fwrite(end, end_size, 1, prn_stream); - return 0; +xit: + gs_free_object(pdev->memory, data, "lbp8_line_buffer"); + + return code; } /* Print an LBP-8 page. */ |