Dear Koen,
thanks for the answer.
Yes, that works. However, while trying to let Wt guess the image size, the
second argument, according to the doc, should be a const std::string &
file, the local filesystem as *file*.
I've tried with WFileUpload's clientFileName, which is the only local
resource I can reach according to the API, but I get an error at
std::string.
Which is the parameter I need to provide?
Thanks again,
JON HAITZ
On 10 June 2013 12:46, Koen Deforche <k...@emweb.be> wrote:
> Hey,
>
> void ImageUploadWidget::paintEvent(Wt::WPaintDevice *paintDevice)
>> {
>> if( !m_SpoolFileName.empty() )
>> {
>> Wt::WPainter painter(paintDevice);
>> // Actually, draw the image (just assuming the file is an image...)
>> Wt::WPainter::Image* image = new Wt::WPainter::Image(
>> m_SpoolFileName.toUTF8(), 200, 200);
>> painter.drawImage(20, 20, *image);
>> }
>>
>
>
>>
>> Am I missing something or is there something I should understand prior to
>> successfully uploading and displaying a local image?
>>
>
> Yes, Wt::WPainter::Image expects an image URL, thus a file that is
> accessible from the web browser, whereas a spoolfile is a local file.
>
> You have two options to solve this (I would recommend the first option).
> - Use a WFileResource to reference the spoolfile and pass
> WFileResource::url() to the WPainter::Image constructor. You can actually
> pass the spoolfile name as second parameter to WPainter::Image to let Wt
> itself figure out the image dimensions.
> - Somehow copy the spoolfile to your docroot.
>
> Regards,
> koen
>
>
>
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