diff options
| -rw-r--r-- | thirdparty/jpeg-compressor/jpgd.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/thirdparty/jpeg-compressor/jpgd.cpp b/thirdparty/jpeg-compressor/jpgd.cpp index baf6ea0484..d6b5d96aac 100644 --- a/thirdparty/jpeg-compressor/jpgd.cpp +++ b/thirdparty/jpeg-compressor/jpgd.cpp @@ -1669,7 +1669,7 @@ namespace jpgd { int row = m_max_mcu_y_size - m_mcu_lines_left; uint8* d0 = m_pScan_line_0; - const int half_image_x_size = (m_image_x_size >> 1) - 1; + const int half_image_x_size = (m_image_x_size == 1) ? 0 : (m_image_x_size >> 1) - 1; const int row_x8 = row * 8; for (int x = 0; x < m_image_x_size; x++) @@ -1762,7 +1762,7 @@ namespace jpgd { int y = m_image_y_size - m_total_lines_left; int row = y & 15; - const int half_image_y_size = (m_image_y_size >> 1) - 1; + const int half_image_y_size = (m_image_y_size == 1) ? 0 : (m_image_y_size >> 1) - 1; uint8* d0 = m_pScan_line_0; @@ -1891,7 +1891,7 @@ namespace jpgd { int y = m_image_y_size - m_total_lines_left; int row = y & 15; - const int half_image_y_size = (m_image_y_size >> 1) - 1; + const int half_image_y_size = (m_image_y_size == 1) ? 0 : (m_image_y_size >> 1) - 1; uint8* d0 = m_pScan_line_0; @@ -1915,7 +1915,7 @@ namespace jpgd { const int y0_base = (c_y0 & 7) * 8 + 256; const int y1_base = (c_y1 & 7) * 8 + 256; - const int half_image_x_size = (m_image_x_size >> 1) - 1; + const int half_image_x_size = (m_image_x_size == 1) ? 0 : (m_image_x_size >> 1) - 1; static const uint8_t s_muls[2][2][4] = { |