C++ (Cpp) gtk_curve_set_curve_type Exemples

Exemple #1

Fichier : DIA_equalizer.cpp Projet : BackupTheBerlios/avidemux-svn

//
//	Video is in YV12 Colorspace
//
//
uint8_t DIA_getEqualizer(EqualizerParam *param, AVDMGenericVideoStream *in)
{
    int ret;
    uint32_t l,f;
    uint32_t max=in->getInfo()->nb_frames;

    incoming=in;
    // Allocate space for green-ised video
    w=in->getInfo()->width;
    h=in->getInfo()->height;
    rgbConv=new ColYuvRgb(w,h);
    rgbConv->reset(w,h);

    histogram=new uint32_t [256*128];
    histogramout=new uint32_t [256*128];

    imgdst=new ADMImage(w,h);
    imgsrc=new ADMImage(w,h);
    imgdisplay=new ADMImage(w,h);

    if(curframe<max) max=curframe;

    ADM_assert(in->getFrameNumberNoAlloc(max, &l, imgsrc,&f));
    memcpy(imgdisplay->data+w*h,imgsrc->data+w*h,(w*h)>>1);
    // init local equalizer

    memcpy(scaler,param->_scaler,sizeof(scaler));

    dialog=create_dialog1();
    gtk_register_dialog(dialog);
    gtk_widget_set_usize(WID(drawingarea_histin), 256,128);
    gtk_widget_set_usize(WID(drawingarea_histout), 256,128);

    float zoom = UI_calcZoomToFitScreen(GTK_WINDOW(dialog), WID(drawingarea1), w, h);

    zoomW = w * zoom;
    zoomH = h * zoom;
    rgbbuffer=new uint32_t[zoomW*zoomH];

    gtk_widget_set_usize(WID(drawingarea1), zoomW, zoomH);

    if (zoom < 1)
    {
        UI_centreCanvasWindow((GtkWindow*)dialog, WID(drawingarea1), zoomW, zoomH);
        resizer = new ADMImageResizer(w, h, zoomW, zoomH, PIX_FMT_YUV420P, PIX_FMT_RGB32);
    }

    gtk_dialog_add_action_widget (GTK_DIALOG (dialog), WID(buttonCancel), GTK_RESPONSE_CANCEL);
    gtk_dialog_add_action_widget (GTK_DIALOG (dialog), WID(button3),      GTK_RESPONSE_OK);
    gtk_dialog_add_action_widget (GTK_DIALOG (dialog), WID(buttonApply),  GTK_RESPONSE_APPLY);
    gtk_dialog_add_action_widget (GTK_DIALOG (dialog), WID(buttonReset),  A_RESET);
    upload();

    gtk_signal_connect(GTK_OBJECT(WID(drawingarea1)), "expose_event",
                       GTK_SIGNAL_FUNC(draw),
                       NULL);


    gtk_signal_connect(GTK_OBJECT(WID(gui_scale)), "value_changed",GTK_SIGNAL_FUNC(frame_changed),   NULL);
    //      gtk_signal_connect(GTK_OBJECT(WID(curve1)), "curve-type-changed",GTK_SIGNAL_FUNC(spinner),   NULL);

    /*

    */
    GtkWidget *curve=WID(curve1);
    gtk_curve_set_range (GTK_CURVE(curve),0,255.,0.,255.);

    gtk_widget_show(dialog);
    upload();
    compute_histogram();
    spinner();
    ret=0;
    int response;
_again:
    while( (response=gtk_dialog_run(GTK_DIALOG(dialog)))==GTK_RESPONSE_APPLY)
    {
        spinner();
    }
    if(response==A_RESET)
    {
        gfloat duo[2]= {0,255.};
        gtk_curve_set_curve_type(GTK_CURVE(WID(curve1)),GTK_CURVE_TYPE_SPLINE);
        gtk_curve_reset(GTK_CURVE(WID(curve1)));

        goto _again;
    }

    if(response==GTK_RESPONSE_OK)
    {
        printf("Accepting new values\n");
        memcpy(param->_scaler,scaler,sizeof(scaler));
        ret=1;
    }
    gtk_unregister_dialog(dialog);
    gtk_widget_destroy(dialog);

    delete imgdst;
    delete imgsrc;
    delete imgdisplay;
    delete [] rgbbuffer;

    delete [] histogram;
    delete [] histogramout;
    delete rgbConv;

    if (resizer)
    {
        delete resizer;
        resizer=NULL;
    }

    rgbConv=NULL;
    histogram=NULL;
    histogramout=NULL;

    rgbbuffer=NULL;
    imgdst=NULL;
    imgsrc=NULL;
    dialog=NULL;
    imgdisplay=NULL;
    return ret;

}

Exemple #2

Fichier : curve.c Projet : d-j-a-y/veejay-dyne-outdated

void	set_points_in_curve( int type, GtkWidget *curve)
{
	gtk_curve_set_curve_type( GTK_CURVE(curve), type );
}