gmane.comp.graphics.qwt.general

Uwe Rathmann | 1 May 16:43

Announce: Qwt 5.1.0

Hi all,

I have released Qwt 5.1.0. 

It is a maintenance release with a couple of incompatible changes and new 
features. Many of the changes are made for the QwtPolar package. See the 
change log below.

Enjoy,
Uwe

Changes
-------
1) QwtSymbol::copy introduced
   Now it is possible to use derived symbol classes for curves
2) QwtPlotScaleItem introduced
   A new type of plot item for displaying axes on the canvas
3) QwtClipper added
   A collection of clipping algos
4) Using DBL_EPSILON
   This change allows smaller intervals for sliders/dials
5) QwtPanner
   setOrientation() added.
6) QwtPlot
   axisStepSize() added
   clear is virtual now
7) QwtPlotPrintFilter
   PrintCanvasBackground splitted into PrintBackground, PrintFrameWithScales
8) QwtPlotZoomer
   setZoomStack() added

(Continue reading)

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Igor Mironchick | 1 May 20:32

Re: Announce: Qwt 5.1.0

I have released Qwt 5.1.0.

Hi

In some source file you use different include style for qwt headers (#include <> and #include "")...

qwt_clipper.cpp doesn't compiled with Qt 3.3.x and MSVC 7.1

error C2666: 'QMemArray<type>::operator`[]'' : 2 overloads have similar conversions
        with
        [
            type=QwtDoublePoint
        ]
        d:\Thirdparty\Qt\3.3.3\include\qmemarray.h(99): could be 'QwtDoublePoint &QMemArray<type>::operator [](int) const'
        with
        [
            type=QwtDoublePoint
        ]
        or       'built-in C++ operator[(const QwtDoublePoint *, uint)'
        while trying to match the argument list '(const QwtPolygonF, uint)'

--
Regards,
Igor Mironchick

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Uwe Rathmann | 1 May 22:56

Re: Announce: Qwt 5.1.0

On Thursday 01 May 2008 20:32, Igor Mironchick wrote:

> In some source file you use different include style for qwt headers
> (#include <> and #include "")...

All qwt headers should be #include "" and I couldn't find an exception.

> qwt_clipper.cpp doesn't compiled with Qt 3.3.x and MSVC 7.1

Looks like an int cast is missing. Which line ?

Uwe

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Igor Mironchick | 2 May 10:43

Re: Announce: Qwt 5.1.0


>> In some source file you use different include style for qwt headers
>> (#include <> and #include "")...
>>     
> All qwt headers should be #include "" and I couldn't find an exception.
>   

Should be!!! I agree, but look at the:

* qwt_plot_svgitem.cpp lines 22 - 24
* qwt_slider.cpp line 16

may be there will anothers exceptions, but compilation stoped at the 
qwt_clipper.cpp :)

>> qwt_clipper.cpp doesn't compiled with Qt 3.3.x and MSVC 7.1
>>     
>
> Looks like an int cast is missing. Which line ?
>   

qwt_clipper.cpp lines 241 and 341.

--

-- 
Regards,
Igor Mironchick,
Intervale

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Uwe Rathmann | 2 May 11:50

Re: Announce: Qwt 5.1.0

On Friday 02 May 2008 10:43, Igor Mironchick wrote:

> * qwt_plot_svgitem.cpp lines 22 - 24
> * qwt_slider.cpp line 16
> qwt_clipper.cpp lines 241 and 341.

Fixed in SVN.

Uwe

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Igor Mironchick | 2 May 10:49

Re: Announce: Qwt 5.1.0


>> qwt_clipper.cpp doesn't compiled with Qt 3.3.x and MSVC 7.1
>>     
>
> Looks like an int cast is missing. Which line ?
>   

You are right.

When I change

pa[pos] = point;

with

pa[static_cast<int>(pos)] = point;

all become OK.

But here can be another problem - overfull?!

--

-- 
Regards,
Igor Mironchick,
Intervale

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