void drawGrid(HWND hwnd, HDC hdc) {
HFONT hf = CreateFont(8, 0, 0, 0, FW_REGULAR, FALSE, FALSE, FALSE, DEFAULT_CHARSET,
OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH, "Arial");
HFONT oldFont = SelectFont(hdc, hf);
HPEN pen = CreatePen(PS_SOLID, 1, RGB(128, 128, 128));
HPEN oldPen = (HPEN)SelectObject(hdc, pen);
POINT pt;
RECT rc;
GetClientRect(hwnd, &rc);
float y = ymin;
while(y <= ymax) {
char buffer[256];
sprintf(buffer, "%1.3f", y);
RECT r;
r.left = 0;
r.right = 100;
r.bottom = toScreenY(y);
r.top = r.bottom - 16;
DrawText(hdc, buffer, strlen(buffer), &r, DT_LEFT);
MoveToEx(hdc, rc.left, toScreenY(y), &pt);
LineTo(hdc, rc.right, toScreenY(y));
y += yscl;
}
DeleteObject(pen);
SelectFont(hdc, oldFont);
DeleteObject(hf);
}
void RS_PainterQt::fillRect ( const QRectF & rectangle, const QBrush & brush ) {
double x1=rectangle.left();
double x2=rectangle.right();
double y1=rectangle.top();
double y2=rectangle.bottom();
QPainter::fillRect(toScreenX(x1),toScreenY(y1),toScreenX(x2),toScreenY(y2), brush);
}
void RS_Painter::createEllipse(QPointArray& pa,
const RS_Vector& cp,
double radius1, double radius2,
double angle,
double angle1, double angle2,
bool reversed)
{
double aStep; // Angle Step (rad)
double a; // Current Angle (rad)
aStep=0.01;
RS_Vector vp;
RS_Vector vc(cp.x, cp.y);
vp.set(cp.x+cos(angle1)*radius1,
cp.y-sin(angle1)*radius2);
vp.rotate(vc, -angle);
int i=0;
pa.resize(i+1);
pa.setPoint(i++, toScreenX(vp.x),toScreenY(vp.y));
if(!reversed) {
// Arc Counterclockwise:
if(angle1>angle2-RS_TOLERANCE) {
angle2+=2*M_PI;
}
for(a=angle1+aStep; a<=angle2; a+=aStep) {
vp.set(cp.x+cos(a)*radius1,
cp.y-sin(a)*radius2);
vp.rotate(vc, -angle);
pa.resize(i+1);
pa.setPoint(i++, toScreenX(vp.x),toScreenY(vp.y));
}
} else {
// Arc Clockwise:
if(angle1<angle2+RS_TOLERANCE) {
angle2-=2*M_PI;
}
for(a=angle1-aStep; a>=angle2; a-=aStep) {
vp.set(cp.x+cos(a)*radius1,
cp.y-sin(a)*radius2);
vp.rotate(vc, -angle);
pa.resize(i+1);
pa.setPoint(i++, toScreenX(vp.x),toScreenY(vp.y));
}
}
vp.set(cp.x+cos(angle2)*radius1,
cp.y-sin(angle2)*radius2);
vp.rotate(vc, -angle);
pa.resize(i+1);
pa.setPoint(i++, toScreenX(vp.x),toScreenY(vp.y));
}
void RS_PainterQt::fillRect ( const QRectF & rectangle, const RS_Color & color ) {
double x1=rectangle.left();
double x2=rectangle.right();
double y1=rectangle.top();
double y2=rectangle.bottom();
QPainter::fillRect(toScreenX(x1),toScreenY(y1),toScreenX(x2)-toScreenX(x1),toScreenY(y2)-toScreenX(y1), color);
}
/**
* Draws a line from (x1, y1) to (x2, y2).
*/
void RS_PainterQt::drawLine(const RS_Vector& p1, const RS_Vector& p2) {
#ifdef __APPLE1__
int w2 = (int)getPen().getScreenWidth()/2;
QPainter::drawLine(toScreenX(p1.x-w2), toScreenY(p1.y-w2),
toScreenX(p2.x-w2), toScreenY(p2.y-w2));
#else
QPainter::drawLine(toScreenX(p1.x), toScreenY(p1.y),
toScreenX(p2.x), toScreenY(p2.y));
#endif
}
void RS_PainterQt::fillTriangle(const RS_Vector& p1,
const RS_Vector& p2,
const RS_Vector& p3) {
QPolygon arr(3);
arr.putPoints(0, 3,
toScreenX(p1.x),toScreenY(p1.y),
toScreenX(p2.x),toScreenY(p2.y),
toScreenX(p3.x),toScreenY(p3.y));
setBrush(pen().color());
drawPolygon(arr);
}
/**
* Draws a circle.
* @param cx center in x
* @param cy center in y
* @param radius Radius
*/
void RS_PainterQt::drawCircle(const RS_Vector& cp, double radius) {
// RVT_PORT if (drawingMode==RS2::ModeXOR && radius<500) {
if (radius<500) {
// This is _very_ slow for large arcs:
QPainter::drawEllipse(toScreenX(cp.x-radius),
toScreenY(cp.y-radius),
RS_Math::round(2.0*radius),
RS_Math::round(2.0*radius));
} else {
#ifdef __APPLE1__
drawArcMac(cp,
radius,
0.0, 2*M_PI,
false);
#else
drawArc(cp,
radius,
0.0, 2*M_PI,
cp + RS_Vector(radius, 0.0),
cp + RS_Vector(radius, 0.0),
false);
#endif
}
}
void drawGraph(HWND hwnd, HDC hdc) {
HPEN oldPen = NULL;
POINT pt;
for(int i = 0; i < mChannels.size(); i++) {
Channel* c = &mChannels[i];
HPEN pen = CreatePen(PS_SOLID, 2, c->getColor());
if(i == 0) {
oldPen = (HPEN)SelectObject(hdc, pen);
} else {
SelectObject(hdc, pen);
}
for(int j = 1; j < c->getNumKeys(); j++) {
Key* k1 = c->getKey(j-1);
Key* k2 = c->getKey(j);
int x1 = toScreenX(k1->x);
int y1 = toScreenY(k1->y);
int x2 = toScreenX(k2->x);
int y2 = toScreenY(k2->y);
MoveToEx(hdc, x1, y1, &pt);
LineTo(hdc, x2, y2);
Rectangle(hdc, x1-3, y1-3, x1+3, y1+3);
Rectangle(hdc, x2-3, y2-3, x2+3, y2+3);
}
DeleteObject(pen);
}
SelectObject(hdc, oldPen);
RECT r;
GetClientRect(hwnd, &r);
ValidateRect(hwnd, &r);
}
void drawAxes(HWND hwnd, HDC hdc) {
RECT r;
GetClientRect(hwnd, &r);
HPEN pen1 = CreatePen(PS_SOLID, 3, RGB(64, 64, 64));
HPEN oldPen = (HPEN)SelectObject(hdc, pen1);
POINT pt;
// x-axis
MoveToEx(hdc, r.left, toScreenY(0), &pt);
LineTo(hdc, r.right, toScreenY(0));
// y-axis
MoveToEx(hdc, toScreenX(0), r.top, &pt);
LineTo(hdc, toScreenX(0), r.bottom);
SelectObject(hdc, oldPen);
DeleteObject(pen1);
}
/**
* Draws a point at (x1, y1).
*/
void RS_PainterQt::drawPoint(const RS_Vector& p) {
QPainter::drawLine(toScreenX(p.x-1), toScreenY(p.y),
toScreenX(p.x+1), toScreenY(p.y));
QPainter::drawLine(toScreenX(p.x), toScreenY(p.y-1),
toScreenX(p.x), toScreenY(p.y+1));
}
/**
* Draws a grid point at (x1, y1).
*/
void RS_PainterQt::drawGridPoint(const RS_Vector& p) {
QPainter::drawPoint(toScreenX(p.x), toScreenY(p.y));
}
/**
* Draws an arc which starts / ends exactly at the given coordinates.
*
* @param cx center in x
* @param cy center in y
* @param radius Radius
* @param a1 Angle 1 in rad
* @param a2 Angle 2 in rad
* @param x1 startpoint x
* @param y1 startpoint y
* @param x2 endpoint x
* @param y2 endpoint y
* @param reversed true: clockwise, false: counterclockwise
*/
void RS_PainterQt::drawArc(const RS_Vector& cp, double radius,
double a1, double a2,
const RS_Vector& p1, const RS_Vector& p2,
bool reversed) {
/*
QPainter::drawArc(cx-radius, cy-radius,
2*radius, 2*radius,
a1*16, (a2-a1)*16);
*/
if(radius<=0.5) {
drawGridPoint(cp);
} else {
#ifdef __APPLE1__
drawArcMac(cp, radius, a1, a2, reversed);
#else
int cix; // Next point on circle
int ciy; //
double aStep; // Angle Step (rad)
double a; // Current Angle (rad)
double linStep; // linear step (pixels)
if (drawingMode==RS2::ModePreview) {
linStep = 20.0;
} else {
linStep = 6.0;
}
if (fabs(linStep/radius)<=1.0) {
aStep=asin(linStep/radius);
} else {
aStep=1.0;
}
if (aStep<0.05) {
aStep = 0.05;
}
if(!reversed) {
// Arc Counterclockwise:
if(a1>a2-1.0e-10) {
a2+=2*M_PI;
}
//moveTo(toScreenX(p1.x), toScreenY(p1.y));
QPolygon pa;
int i=0;
pa.resize(i+1);
pa.setPoint(i++, toScreenX(p1.x), toScreenY(p1.y));
for(a=a1+aStep; a<=a2; a+=aStep) {
cix = toScreenX(cp.x+cos(a)*radius);
ciy = toScreenY(cp.y-sin(a)*radius);
//lineTo(cix, ciy);
pa.resize(i+1);
pa.setPoint(i++, cix, ciy);
}
//lineTo(toScreenX(p2.x), toScreenY(p2.y));
pa.resize(i+1);
pa.setPoint(i++, toScreenX(p2.x), toScreenY(p2.y));
drawPolyline(pa);
} else {
// Arc Clockwise:
if(a1<a2+1.0e-10) {
a2-=2*M_PI;
}
QPolygon pa;
int i=0;
pa.resize(i+1);
pa.setPoint(i++, toScreenX(p1.x), toScreenY(p1.y));
//moveTo(toScreenX(p1.x), toScreenY(p1.y));
for(a=a1-aStep; a>=a2; a-=aStep) {
cix = toScreenX(cp.x+cos(a)*radius);
ciy = toScreenY(cp.y-sin(a)*radius);
//lineTo(cix, ciy);
pa.resize(i+1);
pa.setPoint(i++, cix, ciy);
}
//lineTo(toScreenX(p2.x), toScreenY(p2.y));
pa.resize(i+1);
pa.setPoint(i++, toScreenX(p2.x), toScreenY(p2.y));
drawPolyline(pa);
}
#endif
}
}
void RS_Painter::createArc(QPolygon& pa,
const RS_Vector& cp, double radius,
double a1, double a2,
bool reversed) {
if (radius<1.0e-6) {
RS_DEBUG->print(RS_Debug::D_WARNING,
"RS_Painter::createArc: invalid radius: %f", radius);
return;
}
int cix; // Next point on circle
int ciy; //
double aStep; // Angle Step (rad)
double a; // Current Angle (rad)
if(fabs(2.0/radius)<=1.0) {
aStep=asin(2.0/radius);
} else {
aStep=1.0;
}
aStep=aStep/2.0;
//if (aStep<0.05) {
// aStep = 0.05;
//}
// less than a pixel long lines:
//if (radius*aStep<1.0) {
// aStep =
//}
//QPointArray pa;
int i=0;
pa.resize(i+1);
pa.setPoint(i++, toScreenX(cp.x+cos(a1)*radius),
toScreenY(cp.y-sin(a1)*radius));
//moveTo(toScreenX(cp.x+cos(a1)*radius),
// toScreenY(cp.y-sin(a1)*radius));
if(!reversed) {
// Arc Counterclockwise:
if(a1>a2-1.0e-10) {
a2+=2*M_PI;
}
for(a=a1+aStep; a<=a2; a+=aStep) {
cix = toScreenX(cp.x+cos(a)*radius);
ciy = toScreenY(cp.y-sin(a)*radius);
//lineTo(cix, ciy);
pa.resize(i+1);
pa.setPoint(i++, cix, ciy);
}
} else {
// Arc Clockwise:
if(a1<a2+1.0e-10) {
a2-=2*M_PI;
}
for(a=a1-aStep; a>=a2; a-=aStep) {
cix = toScreenX(cp.x+cos(a)*radius);
ciy = toScreenY(cp.y-sin(a)*radius);
//lineTo(cix, ciy);
pa.resize(i+1);
pa.setPoint(i++, cix, ciy);
}
}
//lineTo(toScreenX(cp.x+cos(a2)*radius),
// toScreenY(cp.y-sin(a2)*radius));
pa.resize(i+1);
pa.setPoint(i++,
toScreenX(cp.x+cos(a2)*radius),
toScreenY(cp.y-sin(a2)*radius));
//drawPolyline(pa);
}
/**
* Draws a rotated ellipse arc.
*/
void RS_PainterQt::drawEllipse(const RS_Vector& cp,
double radius1, double radius2,
double angle,
double a1, double a2,
bool reversed) {
//if(radius1<=0.5 && radius2<=0.5) {
// drawGridPoint((int)cp.x, (int)cp.y);
//} else {
//int cix; // Next point on arc
//int ciy; //
// double a; // Current Angle (rad)
// Angle step in rad
/*
if (radius1<radius2) {
if (radius1<RS_TOLERANCE) {
aStep=1.0;
} else {
if (fabs(2.0/radius1)<=1.0) {
aStep=asin(2.0/radius1);
}
else {
aStep = 1.0;
}
}
} else {
if (radius2<RS_TOLERANCE) {
aStep=1.0;
} else {
if (fabs(2.0/radius2)<=1.0) {
aStep=asin(2.0/radius2);
}
else {
aStep = 1.0;
}
}
}
if(aStep<0.05) {
aStep = 0.05;
}
*/
const RS_Vector vr(radius1,radius2);
const RS_Vector rvp(radius2,radius1);
double ea1(a1);
double ea2(a2);
if(reversed) std::swap(ea1,ea2);
if(ea2<ea1+RS_TOLERANCE_ANGLE) {
ea2 += 2.*M_PI; //potential bug
}
const RS_Vector angleVector(-angle);
double aStep(0.01/(radius1*radius2)); // Angle Step (0.01 rad)
/*
draw a new line after tangent changes by 0.01 rad
*/
RS_Vector vp(-ea1);
ea1 += aStep*RS_Vector(vp.x*radius2,vp.y*radius1).squared();
vp.scale(vr);
vp.rotate(angleVector);
vp.move(cp);
// vp.set(cp.x+cos(a1)*radius1,
// cp.y-sin(a1)*radius2);
// vp.rotate(vc, -angle);
moveTo(toScreenX(vp.x),
toScreenY(vp.y));
// Arc Counterclockwise:
while(ea1<ea2){
RS_Vector va(-ea1);
vp=va;
vp.scale(vr);
vp.rotate(angleVector);
vp.move(cp);
// vp.set(cp.x+cos(a)*radius1,
// cp.y-sin(a)*radius2);
// vp.rotate(vc, -angle);
lineTo(toScreenX(vp.x),
toScreenY(vp.y));
ea1 += aStep*va.scale(rvp).squared();
}
vp.set(cos(ea2)*radius1,
-sin(ea2)*radius2);
vp.rotate(angleVector);
vp.move(cp);
lineTo(toScreenX(vp.x),
toScreenY(vp.y));
//}
}
/**
* Draws a rotated ellipse arc.
*/
void RS_PainterQt::drawEllipse(const RS_Vector& cp,
double radius1, double radius2,
double angle,
double a1, double a2,
bool reversed) {
//if(radius1<=0.5 && radius2<=0.5) {
// drawGridPoint((int)cp.x, (int)cp.y);
//} else {
//int cix; // Next point on arc
//int ciy; //
double aStep; // Angle Step (rad)
double a; // Current Angle (rad)
// Angle step in rad
/*
if (radius1<radius2) {
if (radius1<RS_TOLERANCE) {
aStep=1.0;
} else {
if (fabs(2.0/radius1)<=1.0) {
aStep=asin(2.0/radius1);
}
else {
aStep = 1.0;
}
}
} else {
if (radius2<RS_TOLERANCE) {
aStep=1.0;
} else {
if (fabs(2.0/radius2)<=1.0) {
aStep=asin(2.0/radius2);
}
else {
aStep = 1.0;
}
}
}
if(aStep<0.05) {
aStep = 0.05;
}
*/
aStep=0.01;
RS_Vector vp;
RS_Vector vc(cp.x, cp.y);
vp.set(cp.x+cos(a1)*radius1,
cp.y-sin(a1)*radius2);
vp.rotate(vc, -angle);
moveTo(toScreenX(vp.x),
toScreenY(vp.y));
if(!reversed) {
// Arc Counterclockwise:
if(a1>a2-RS_TOLERANCE) {
a2+=2*M_PI;
}
for(a=a1+aStep; a<=a2; a+=aStep) {
vp.set(cp.x+cos(a)*radius1,
cp.y-sin(a)*radius2);
vp.rotate(vc, -angle);
lineTo(toScreenX(vp.x),
toScreenY(vp.y));
}
} else {
// Arc Clockwise:
if(a1<a2+RS_TOLERANCE) {
a2-=2*M_PI;
}
for(a=a1-aStep; a>=a2; a-=aStep) {
vp.set(cp.x+cos(a)*radius1,
cp.y-sin(a)*radius2);
vp.rotate(vc, -angle);
lineTo(toScreenX(vp.x),
toScreenY(vp.y));
}
}
vp.set(cp.x+cos(a2)*radius1,
cp.y-sin(a2)*radius2);
vp.rotate(vc, -angle);
lineTo(toScreenX(vp.x),
toScreenY(vp.y));
//}
}
