You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
93 lines
2.7 KiB
93 lines
2.7 KiB
Index: src/kernel/qasyncimageio.cpp
|
|
===================================================================
|
|
--- src/kernel/qasyncimageio.cpp.orig
|
|
+++ src/kernel/qasyncimageio.cpp
|
|
@@ -904,7 +904,12 @@ int TQGIFFormat::decode(TQImage& img, TQ
|
|
sheight = newtop + newheight;
|
|
|
|
if (img.isNull()) {
|
|
- img.create(swidth, sheight, 32);
|
|
+ bool ok = img.create(swidth, sheight, 32);
|
|
+ if (!ok)
|
|
+ {
|
|
+ state = Error;
|
|
+ break;
|
|
+ }
|
|
memset( img.bits(), 0, img.numBytes() );
|
|
if (consumer) consumer->setSize(swidth, sheight);
|
|
}
|
|
@@ -959,9 +964,15 @@ int TQGIFFormat::decode(TQImage& img, TQ
|
|
if (backingstore.width() < w
|
|
|| backingstore.height() < h) {
|
|
// We just use the backing store as a byte array
|
|
- backingstore.create( TQMAX(backingstore.width(), w),
|
|
+ bool ok = backingstore.create(
|
|
+ TQMAX(backingstore.width(), w),
|
|
TQMAX(backingstore.height(), h),
|
|
32);
|
|
+ if (!ok)
|
|
+ {
|
|
+ state = Error;
|
|
+ break;
|
|
+ }
|
|
memset( img.bits(), 0, img.numBytes() );
|
|
}
|
|
for (int ln=0; ln<h; ln++) {
|
|
Index: src/kernel/qimage.cpp
|
|
===================================================================
|
|
--- src/kernel/qimage.cpp.orig
|
|
+++ src/kernel/qimage.cpp
|
|
@@ -68,6 +68,8 @@
|
|
#define QT_NO_IMAGE_16_BIT
|
|
#endif
|
|
|
|
+int qt_max_image_height = 0;
|
|
+int qt_max_image_width = 0;
|
|
|
|
/*!
|
|
\class TQImage
|
|
@@ -1211,6 +1213,28 @@ void TQImage::setAlphaBuffer( bool enabl
|
|
data->alpha = enable;
|
|
}
|
|
|
|
+TQSize TQImage::maxImageSize()
|
|
+{
|
|
+ if (!qt_max_image_height || !qt_max_image_width)
|
|
+ return TQSize();
|
|
+ return TQSize(qt_max_image_height, qt_max_image_width);
|
|
+}
|
|
+
|
|
+void TQImage::setMaxImageSize(const TQSize &size)
|
|
+{
|
|
+ if (size.isValid())
|
|
+ {
|
|
+ qt_max_image_height = size.height();
|
|
+ qt_max_image_width = size.width();
|
|
+ }
|
|
+ else
|
|
+ {
|
|
+ qt_max_image_height = 0;
|
|
+ qt_max_image_width = 0;
|
|
+ }
|
|
+}
|
|
+
|
|
+
|
|
|
|
/*!
|
|
Sets the image \a width, \a height, \a depth, its number of colors
|
|
@@ -1240,6 +1264,14 @@ bool TQImage::create( int width, int hei
|
|
reset(); // reset old data
|
|
if ( width <= 0 || height <= 0 || depth <= 0 || numColors < 0 )
|
|
return FALSE; // invalid parameter(s)
|
|
+ if ( qt_max_image_height && (height > qt_max_image_height * 4))
|
|
+ return FALSE; // Too high
|
|
+ if ( qt_max_image_width && (width > qt_max_image_width * 4))
|
|
+ return FALSE; // Too wide
|
|
+ if ( qt_max_image_height && qt_max_image_width &&
|
|
+ (height * width > qt_max_image_height * qt_max_image_width))
|
|
+ return FALSE; // Too large
|
|
+
|
|
if ( depth == 1 && bitOrder == IgnoreEndian ) {
|
|
#if defined(QT_CHECK_RANGE)
|
|
tqWarning( "TQImage::create: Bit order is required for 1 bpp images" );
|