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/* -*- C++ -*- Time-stamp: <05 Nov 00 21:22:13 Michael Bischoff> */
/*****************************************************************************/
/* */
/* */
/* X patience version 2 -- module XQtArrows.cpp */
/* */
/* Displays hint arrows for the Qt widget set */
/* written by Michael Bischoff */
/* see COPYRIGHT.xpat2 for Copyright details */
/* */
/* */
/*****************************************************************************/
#include <qpixmap.h>
#include <qbitmap.h>
#include <qcolor.h>
#include <qbrush.h>
#include <qpainter.h>
#include <qpointarray.h>
#include <qwidget.h>
#include "XQtCardPile.h"
#include "XQtTableau.h"
extern "C" {
#include "xpatgeo.h"
}
extern XQtTableau *tableau;
static QBrush *arrow_brush = 0;
static QPainter arrow_painter;
#if 0
static struct arrow_storage {
int w, h;
QPixmap *arrow_storage;
} as[4] = { { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 } };
extern "C" void bitblt_arrow(int type, int save, int x, int y, int w, int h) {
struct arrow_storage *ap = as + type;
if (save) {
/* for for minimum size */
if (!ap->arrow_storage || ap->w < w || ap->h < h) {
/* not allocated or insufficient size */
if (ap->arrow_storage)
delete ap->arrow_storage;
if (ap->w < w)
ap->w = w;
if (ap->h < h)
ap->h = h;
ap->arrow_storage = new QPixmap(ap->w, ap->h);
}
bitBlt(ap->arrow_storage, 0, 0, tableau, x, y, w, h, CopyROP, FALSE);
} else {
if (ap->arrow_storage) {
bitBlt(tableau, x, y, ap->arrow_storage, 0, 0, w, h, CopyROP, FALSE);
}
}
}
extern "C" void draw_arrow_polygon(int npoints, const struct Coord *poly) {
int i;
QPointArray Poly(ARROW_MAX_COORDINATES);
printf("drawing polygon on %x\n", tableau);
for (i = 0; i < npoints; ++i)
Poly.setPoint(i, poly[i].x, poly[i].y);
if (!arrow_brush)
arrow_brush = new QBrush("yellow");
arrow_painter.begin(tableau);
arrow_painter.setBrush(*arrow_brush);
arrow_painter.drawPolygon(Poly, FALSE, 0, npoints);
arrow_painter.end();
}
#else
static QWidget *aw = 0;
static QPixmap *apix =0;
static QBitmap *aclip = 0;
extern "C" void bitblt_arrow(int type, int save, int x, int y, int w, int h) {
if (!save && aw) {
delete aw;
delete apix;
delete aclip;
aw = 0;
apix = 0;
aclip = 0;
}
}
extern "C" void draw_arrow_polygon(int npoints, const struct Coord *poly) {
int i, maxx, maxy, minx, miny, w, h;
QPointArray Poly(ARROW_MAX_COORDINATES);
// printf("drawing polygon on %x\n", tableau);
minx = maxx = poly[0].x;
miny = maxy = poly[0].y;
for (i = 1; i < npoints; ++i) {
if (poly[i].x < minx)
minx = poly[i].x;
if (poly[i].x > maxx)
maxx = poly[i].x;
if (poly[i].y < miny)
miny = poly[i].y;
if (poly[i].y > maxy)
maxy = poly[i].y;
}
if (aw) {
delete aw;
delete apix;
delete aclip;
}
w = maxx-minx+1;
h = maxy-miny+1;
aclip = new QBitmap(w, h, TRUE);
apix = new QPixmap(w, h);
aw = new QWidget(tableau);
aw->move(minx, miny);
aw->resize(w, h);
for (i = 0; i < npoints; ++i)
Poly.setPoint(i, poly[i].x-minx, poly[i].y-miny);
if (!arrow_brush)
arrow_brush = new QBrush("yellow");
arrow_painter.begin(apix);
arrow_painter.setBrush(*arrow_brush);
arrow_painter.drawPolygon(Poly, FALSE, 0, npoints);
arrow_painter.end();
arrow_painter.begin(aclip);
arrow_painter.setPen(Qt::color1);
// arrow_painter.setBrush(Dense3Pattern);
// arrow_painter.setBrush(SolidPattern);
arrow_painter.setBrush(Qt::color1);
arrow_painter.drawPolygon(Poly, FALSE, 0, npoints);
arrow_painter.end();
aw->setMask(*aclip);
aw->setBackgroundPixmap(*apix);
aw->show();
aw->move(minx, miny);
aw->raise();
}
#endif
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