2016-11-28 23:34 GMT+01:00 Pantxo Diribarne <pantxo.diriba...@gmail.com>:
> > > 2016-11-28 15:47 GMT+01:00 Pantxo Diribarne <pantxo.diriba...@gmail.com>: > >> Hi, >> >> I have pdf documents which are generated using gl2ps [1], on which I >> would like to superimpose text. >> >> As a first test, I used the provided example helloworld.cpp, which I >> modified as follows: >> * use a PdfMemDocument (instead of a PdfDocument) and load an existing >> pdf file. >> * use the Write method to export the modified pdf >> >> As a result I get a pdf that has been modified (at least its size on the >> disk is larger) and can be loaded, but the "hello world!" is no where to be >> found. >> >> What am I doing wrong? I played with the position arguments in DrawText >> to no avail. >> >> Thanks in advance, >> >> Pantxo >> > > Now I see that when the original pdf already contains text, the simple > approach described above works (incidentally?), the Hello World appears and > the right font is selected (different from the one in the original file). > > Are there some more examples around to get started? > > Pantxo > Ok I finally found what was wrong: the current color of the document (wherever the text was iserted) was white. I just had to use Painter::SetColor and the newly added text appeared. Pantxo
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