diff options
| author | Friedemann Kleint <Friedemann.Kleint@theqtcompany.com> | 2016-02-09 09:14:12 +0100 |
|---|---|---|
| committer | Friedemann Kleint <Friedemann.Kleint@theqtcompany.com> | 2016-02-13 08:17:00 +0000 |
| commit | ac8a3b948da1980bc59bae3fc76d20b5b45662a0 (patch) | |
| tree | f08eed7df003491d742190f9eeb5a2fb06518ae5 /src/gui/painting/qtextureglyphcache.cpp | |
| parent | 9915630d0886434e8984904b1cadedc81dc78ca0 (diff) | |
QtGui: Use QImage::constBits()/constScanLine() in non-const contexts.
Prevent potential detaching by using constBits()/constScanLine() instead
of bits()/scanLine().
Change-Id: If03f8d4d3b8ed4c07aed5eff7f580e57ca771919
Reviewed-by: Gunnar Sletta <gunnar@sletta.org>
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Diffstat (limited to 'src/gui/painting/qtextureglyphcache.cpp')
| -rw-r--r-- | src/gui/painting/qtextureglyphcache.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/gui/painting/qtextureglyphcache.cpp b/src/gui/painting/qtextureglyphcache.cpp index 97f82d16d3..20039d902a 100644 --- a/src/gui/painting/qtextureglyphcache.cpp +++ b/src/gui/painting/qtextureglyphcache.cpp @@ -339,7 +339,7 @@ void QImageTextureGlyphCache::fillTexture(const Coord &c, glyph_t g, QFixed subP uchar *dest = d + (c.y + y) *dbpl + c.x/8; if (y < mh) { - uchar *src = mask.scanLine(y); + const uchar *src = mask.constScanLine(y); for (int x = 0; x < c.w/8; ++x) { if (x < (mw+7)/8) dest[x] = src[x]; @@ -361,7 +361,7 @@ void QImageTextureGlyphCache::fillTexture(const Coord &c, glyph_t g, QFixed subP for (int y = 0; y < c.h; ++y) { uchar *dest = d + (c.y + y) *dbpl + c.x; if (y < mh) { - uchar *src = (uchar *) mask.scanLine(y); + const uchar *src = mask.constScanLine(y); for (int x = 0; x < c.w; ++x) { if (x < mw) dest[x] = (src[x >> 3] & (1 << (7 - (x & 7)))) > 0 ? 255 : 0; @@ -372,7 +372,7 @@ void QImageTextureGlyphCache::fillTexture(const Coord &c, glyph_t g, QFixed subP for (int y = 0; y < c.h; ++y) { uchar *dest = d + (c.y + y) *dbpl + c.x; if (y < mh) { - uchar *src = (uchar *) mask.scanLine(y); + const uchar *src = mask.constScanLine(y); for (int x = 0; x < c.w; ++x) { if (x < mw) dest[x] = src[x]; |