diff options
-rw-r--r-- | canvas/source/cairo/cairo_canvasbitmap.cxx | 2 | ||||
-rw-r--r-- | canvas/source/cairo/cairo_xlib_cairo.cxx | 9 | ||||
-rw-r--r-- | vcl/unx/x11/xlimits.cxx | 13 |
3 files changed, 12 insertions, 12 deletions
diff --git a/canvas/source/cairo/cairo_canvasbitmap.cxx b/canvas/source/cairo/cairo_canvasbitmap.cxx index 277c1333f4c9..d243596be1a9 100644 --- a/canvas/source/cairo/cairo_canvasbitmap.cxx +++ b/canvas/source/cairo/cairo_canvasbitmap.cxx @@ -158,7 +158,7 @@ namespace cairocanvas pPixels = cairo_image_surface_create( CAIRO_FORMAT_ARGB32, aSize.Width(), aSize.Height() ); cairo_t *pCairo = cairo_create( pPixels ); - if( !pPixels || !pCairo ) + if( !pPixels || !pCairo || cairo_status(pCairo) != CAIRO_STATUS_SUCCESS ) break; // suck ourselves from the X server to this buffer so then we can fiddle with diff --git a/canvas/source/cairo/cairo_xlib_cairo.cxx b/canvas/source/cairo/cairo_xlib_cairo.cxx index bae6943a47bc..e5bb189e54f5 100644 --- a/canvas/source/cairo/cairo_xlib_cairo.cxx +++ b/canvas/source/cairo/cairo_xlib_cairo.cxx @@ -36,11 +36,12 @@ namespace Pixmap limitXCreatePixmap(Display *display, Drawable d, unsigned int width, unsigned int height, unsigned int depth) { // The X protocol request CreatePixmap puts an upper bound - // of 16 bit to the size. - // - // see, e.g. moz#424333, fdo#48961 + // of 16 bit to the size. And in practice some drivers + // fall over with values close to the max. + + // see, e.g. moz#424333, fdo#48961, rhbz#1086714 // we've a duplicate of this in vcl :-( - if (width > SAL_MAX_INT16 || height > SAL_MAX_INT16) + if (width > SAL_MAX_INT16-10 || height > SAL_MAX_INT16-10) { SAL_WARN("canvas", "overlarge pixmap: " << width << " x " << height); return None; diff --git a/vcl/unx/x11/xlimits.cxx b/vcl/unx/x11/xlimits.cxx index 71b99831c4b4..b8509cbd2446 100644 --- a/vcl/unx/x11/xlimits.cxx +++ b/vcl/unx/x11/xlimits.cxx @@ -13,13 +13,12 @@ Pixmap limitXCreatePixmap(Display *display, Drawable d, unsigned int width, unsigned int height, unsigned int depth) { // The X protocol request CreatePixmap puts an upper bound - // of 16 bit to the size. Beyond that there may be implementation - // limits of the Xserver; which we should catch by a failed XCreatePixmap - // call. However extra large values should be caught here since we'd run into - // 16 bit truncation here without noticing. - // - // see, e.g. moz#424333 - if (width > SAL_MAX_INT16 || height > SAL_MAX_INT16) + // of 16 bit to the size. And in practice some drivers + // fall over with values close to the max. + + // see, e.g. moz#424333, fdo#48961, rhbz#1086714 + // we've a duplicate of this in canvas :-( + if (width > SAL_MAX_INT16-10 || height > SAL_MAX_INT16-10) { SAL_WARN("vcl", "overlarge pixmap: " << width << " x " << height); return None; |