diff options
Diffstat (limited to 'devices/gdevpng.c')
| -rw-r--r-- | devices/gdevpng.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/devices/gdevpng.c b/devices/gdevpng.c index 10962516..73bc5bf3 100644 --- a/devices/gdevpng.c +++ b/devices/gdevpng.c @@ -557,7 +557,7 @@ do_png_print_page(gx_device_png * pdev, gp_file * file, bool monod) case 1: bit_depth = 1; color_type = PNG_COLOR_TYPE_GRAY; - /* invert monocrome pixels */ + /* invert monochrome pixels */ if (!monod) { invert = true; } @@ -700,9 +700,21 @@ do_png_print_page(gx_device_png * pdev, gp_file * file, bool monod) depth/dst_bpc, factor, mfs, NULL, 0); if (code >= 0) { +#ifdef CLUSTER + int bitlen = width*dst_bpc; + int end = bitlen>>3; + int mask = 255>>(bitlen&7); + if (bitlen & 7) + mask = ~mask; + else + end--; +#endif /* Write the contents of the image. */ for (y = 0; y < height; y++) { gx_downscaler_getbits(&ds, row, y); +#ifdef CLUSTER + row[end] &= mask; +#endif png_write_rows(png_ptr, &row, 1); } gx_downscaler_fin(&ds); |