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--- core/fxge/ge/cfx_facecache.cpp
+++ core/fxge/ge/cfx_facecache.cpp
@@ -205,7 +205,8 @@
}
}
} else {
- FXSYS_memset(pDestBuf, 0, dest_pitch * bmheight);
+ if (dest_pitch != 0 && bmheight != 0)
+ FXSYS_memset(pDestBuf, 0, dest_pitch * bmheight);
if (anti_alias == FXFT_RENDER_MODE_MONO &&
FXFT_Get_Bitmap_PixelMode(FXFT_Get_Glyph_Bitmap(m_Face)) ==
FXFT_PIXEL_MODE_MONO) {
--- third_party/agg23/agg_rasterizer_scanline_aa.h
+++ third_party/agg23/agg_rasterizer_scanline_aa.h
@@ -349,14 +349,14 @@
cover += cur_cell->cover;
}
if(area) {
- alpha = calculate_alpha((cover << (poly_base_shift + 1)) - area, no_smooth);
+ alpha = calculate_alpha(int(unsigned(cover) << (poly_base_shift + 1)) - area, no_smooth);
if(alpha) {
sl.add_cell(x, alpha);
}
x++;
}
if(num_cells && cur_cell->x > x) {
- alpha = calculate_alpha(cover << (poly_base_shift + 1), no_smooth);
+ alpha = calculate_alpha(unsigned(cover) << (poly_base_shift + 1), no_smooth);
if(alpha) {
sl.add_span(x, cur_cell->x - x, alpha);
}
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