diff options
| -rw-r--r-- | jbig2dec/jbig2_halftone.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/jbig2dec/jbig2_halftone.c b/jbig2dec/jbig2_halftone.c index 8a18fc70b..69bd21ebc 100644 --- a/jbig2dec/jbig2_halftone.c +++ b/jbig2dec/jbig2_halftone.c @@ -458,7 +458,7 @@ jbig2_decode_halftone_region(Jbig2Ctx *ctx, Jbig2Segment *segment, Jbig2Image *HSKIP = NULL; Jbig2PatternDict *HPATS; uint32_t i; - uint32_t mg, ng; + int32_t mg, ng; int32_t x, y; uint16_t gray_val; int code = 0; @@ -481,8 +481,8 @@ jbig2_decode_halftone_region(Jbig2Ctx *ctx, Jbig2Segment *segment, for (mg = 0; mg < params->HGH; ++mg) { for (ng = 0; ng < params->HGW; ++ng) { - x = (params->HGX + mg * (int32_t) params->HRY + ng * (int32_t) params->HRX) >> 8; - y = (params->HGY + mg * (int32_t) params->HRX - ng * (int32_t) params->HRY) >> 8; + x = (params->HGX + mg * params->HRY + ng * params->HRX) >> 8; + y = (params->HGY + mg * params->HRX - ng * params->HRY) >> 8; if (x + HPATS->HPW <= 0 || x >= (int32_t) image->width || y + HPATS->HPH <= 0 || y >= (int32_t) image->height) { jbig2_image_set_pixel(HSKIP, ng, mg, 1); |