/*
 * display a sample of a named Font
 */

#include "fontsample.h"

#include <InterViews/font.h>
#include <InterViews/painter.h>
#include <InterViews/pattern.h>
#include <InterViews/shape.h>
#include <string.h>

static const int BufferSize = 1000;

FontSample::FontSample(const char* sample) : () {
    Init(sample);
}

FontSample::FontSample(const char* name, const char* sample) : () {
    SetInstance(name);
    Init(sample);
}

FontSample::~FontSample () {
    delete sample;
    delete fontname;
    delete font;
}

void FontSample::Init (const char* samp) {
    SetClassName("FontSample");
    font = nil;
    fontname = new char [BufferSize];
    sample = new char [BufferSize];
    strcpy(sample, samp);
}

void FontSample::Reconfig () {
    Painter* tmp = new Painter(output);
    Unref(output);
    output = tmp;
    output->Reference();
    output->SetFont(font);
    Interactor::Reconfig();
    shape->Rect(font->Width(sample), font->Height());
    shape->Rigid(hfil, hfil, 0, 0);
}

void FontSample::Redraw (Coord l, Coord b, Coord r, Coord t) {
    output->ClearRect(canvas, l, b, r, t);
    output->Text(canvas, sample, 0, 0);
}

void FontSample::ShowFont (const char* name) {
    if (strcmp(name, fontname) != 0) {
        strcpy(fontname, name);
        //Unref(font);
        font = new Font(fontname);
        font->Reference();
        if (output != nil) {
            if (font->Valid()) {
                output->FillBg(true);
                output->SetPattern(solid);
                Reconfig();
            } else {
                output->FillBg(false);
                output->SetPattern(gray);
            }
            Draw();
        }
    }
}