Visual Basic, auto stretch a image in picturebox to a correct ratio

auto stretch a image in picturebox to a correct ratio

Author	Message
Ray #1 / 3	auto stretch a image in picturebox to a correct ratio How can I auto stretch a image to a correct size in a picture box?... I want to have a function that allows me to correct the size of a image in a picture box. When the image is smaller then the picture box it have to center the image, And when its bigger it have to stretch the image on a kind of ratio, so I don't have pictures with bigger widths then heights... I need this for displaying faces... Because it looks very silly when some faces got bigger widths then the original size. Hope you will understand what Im looking for, because my english is very bad. Ray!
Wed, 18 Jun 1902 08:00:00 GMT

Etienne Charlan #2 / 3	auto stretch a image in picturebox to a correct ratio You can stretch a picture with the StretchBlt api. To get the result picture, use the Image property and also set the autoredraw to true. Quote: > How can I auto stretch a image to a correct size in a picture box?... > I want to have a function that allows me to correct the size of a image in a > picture box. > When the image is smaller then the picture box it have to center the image, > And when its bigger it have to stretch the image on a kind of ratio, so I > don't have > pictures with bigger widths then heights... I need this for displaying > faces... > Because it looks very silly when some faces got bigger widths then the > original size. > Hope you will understand what Im looking for, because my english is very > bad. > Ray!
Wed, 18 Jun 1902 08:00:00 GMT

M. Ghormle #3 / 3	auto stretch a image in picturebox to a correct ratio I believe that you need to use a PictureBox because StretchBlt() requires an hDC (as I recall). Also the Scalemode of everything must be set to Pixel. I have a small demo of StretchBlt at: http://home.earthlink.net/~mjg99/VB6/thumbnail.zip It resizes images to 100 X 100 pixels. Thus it produces thumbnails of larger pictures and enlargements of small stuff. Michael Quote: > You can stretch a picture with the StretchBlt api. To get the result > picture, use the Image property and also set the autoredraw to true. > > How can I auto stretch a image to a correct size in a picture box?... > > I want to have a function that allows me to correct the size of a image in > a > > picture box. > > When the image is smaller then the picture box it have to center the > image, > > And when its bigger it have to stretch the image on a kind of ratio, so I > > don't have > > pictures with bigger widths then heights... I need this for displaying > > faces... > > Because it looks very silly when some faces got bigger widths then the > > original size. > > Hope you will understand what Im looking for, because my english is very > > bad. > > Ray!
Wed, 18 Jun 1902 08:00:00 GMT

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