//
#include "painter.h"
-
+#include "global.h"
#include "mathconstants.h"
// Set class variable defaults
-Vector Painter::origin(-10.0, -10.0);
-double Painter::zoom = 1.0;
-Vector Painter::screenSize(200.0, 200.0);
+//Vector Painter::origin(-10.0, -10.0);
+//double Painter::zoom = 1.0;
+//Vector Painter::screenSize(200.0, 200.0);
Painter::Painter(QPainter * p/*= NULL*/): painter(p)
{
// Convert regular Cartesian coordinates to the inverted Y-axis Qt coordinates
// at the current origin and zoom level.
- return Vector((v.x - origin.x) * zoom, screenSize.y - ((v.y - origin.y) * zoom));
+ return Vector((v.x - Global::origin.x) * Global::zoom, Global::screenSize.y - ((v.y - Global::origin.y) * Global::zoom));
}
{
// Convert screen location, with inverted Y-axis coordinates, to regular
// Cartesian coordinates at the current zoom level.
- return Vector((v.x / zoom) + origin.x, ((screenSize.y - v.y) / zoom) + origin.y);
+ return Vector((v.x / Global::zoom) + Global::origin.x, ((Global::screenSize.y - v.y) / Global::zoom) + Global::origin.y);
/*
How to do it:
// We may need this stuff... If dimension text is large enough.
// int textWidth = QFontMetrics(painter->font()).width(text);
// int textHeight = QFontMetrics(painter->font()).height();
- QRectF textBox(-100.0 * zoom * size, -100.0 * zoom * size, 200.0 * zoom * size, 200.0 * zoom * size); // x, y, w, h; x/y = upper left corner
+ QRectF textBox(-100.0 * Global::zoom * size, -100.0 * Global::zoom * size, 200.0 * Global::zoom * size, 200.0 * Global::zoom * size); // x, y, w, h; x/y = upper left corner
// This is in pixels. Might not render correctly at all zoom levels.
// Need to figure out if dimensions are always rendered at one size
// regardless of zoom, or if they have a definite size, and are thus
// zoomable.
- float yOffset = -12.0 * zoom * size;
+ float yOffset = -12.0 * Global::zoom * size;
// Fix text so it isn't upside down...
if ((angle > PI * 0.5) && (angle < PI * 1.5))
{
angle += PI;
- yOffset = 12.0 * zoom * size;
+ yOffset = 12.0 * Global::zoom * size;
}
textBox.translate(0, yOffset);
{
center = CartesianToQtCoords(center);
// Need to multiply scalar quantities by the zoom factor as well...
- radius *= zoom;
+ radius *= Global::zoom;
QRectF rectangle(QPointF(center.x - radius, center.y - radius),
QPointF(center.x + radius, center.y + radius));
int angle1 = (int)(startAngle * RADIANS_TO_DEGREES * 16.0);
{
// Need to multiply scalar quantities by the zoom factor as well...
center = CartesianToQtCoords(center);
- painter->drawEllipse(QPointF(center.x, center.y), axis1 * zoom, axis2 * zoom);
+ painter->drawEllipse(QPointF(center.x, center.y), axis1 * Global::zoom, axis2 * Global::zoom);
}
}
+// This function is for drawing object handles without regard for zoom level;
+// we don't want our object handle size to depend on the zoom level!
+void Painter::DrawArrowHandle(Vector center, double angle)
+{
+ center = CartesianToQtCoords(center);
+ QPolygonF arrow;
+
+ // Since we're drawing directly on the screen, the Y is inverted. So we use
+ // the mirror of the angle.
+ double orthoAngle = -angle + (PI / 2.0);
+ Vector orthogonal = Vector(cos(orthoAngle), sin(orthoAngle));
+ Vector unit = Vector(cos(-angle), sin(-angle));
+
+ Point p0 = center + (unit * 6.0);
+ Point p1 = center + (unit * 21.0);
+ Point p1b = center + (unit * 11.0);
+ Point p2 = p1b + (orthogonal * 5.0);
+ Point p3 = p1b - (orthogonal * 5.0);
+
+ painter->drawLine(p0.x, p0.y, p1.x, p1.y);
+ arrow << QPointF(p1.x, p1.y) << QPointF(p2.x, p2.y) << QPointF(p3.x, p3.y);
+
+ painter->drawPolygon(arrow);
+}
+
+
+// This function is for drawing object handles without regard for zoom level;
+// we don't want our object handle size to depend on the zoom level!
+void Painter::DrawArrowToLineHandle(Vector center, double angle)
+{
+ DrawArrowHandle(center, angle);
+ center = CartesianToQtCoords(center);
+
+ // Since we're drawing directly on the screen, the Y is inverted. So we use
+ // the mirror of the angle.
+ double orthoAngle = -angle + (PI / 2.0);
+ Vector orthogonal = Vector(cos(orthoAngle), sin(orthoAngle));
+ Vector unit = Vector(cos(-angle), sin(-angle));
+
+ Point p1 = center + (unit * 21.0);
+ Point p2 = p1 + (orthogonal * 7.0);
+ Point p3 = p1 - (orthogonal * 7.0);
+
+ painter->drawLine(p2.x, p2.y, p3.x, p3.y);
+}
+
+
void Painter::DrawLine(int x1, int y1, int x2, int y2)
{
if (!painter)
}
-// This is drawn in Qt coordinates...
+// The rect passed in is in Qt coordinates...
void Painter::DrawRoundedRect(QRectF rect, double radiusX, double radiusY)
{
if (!painter)
}
-// This is drawn partially in Cartesian coordinates, and partially in Qt
-// coordinates. The rect itself is in Cartesian but we want to pad it by a set
-// number of pixels.
+// The rect passed in is in Cartesian but we want to pad it by a set number of
+// pixels (currently set at 8), so the pad looks the same regardless of zoom.
void Painter::DrawPaddedRect(QRectF rect)
{
if (!painter)
void Painter::DrawArrowhead(Vector head, Vector tail, double size)
{
+ if (!painter)
+ return;
+
QPolygonF arrow;
// We draw the arrowhead aligned along the line from tail to head
painter->drawPolygon(arrow);
}
+
+// Point is given in Cartesian coordinates
+void Painter::DrawCrosshair(Vector point)
+{
+ if (!painter)
+ return;
+
+ Vector screenPoint = CartesianToQtCoords(point);
+ painter->drawLine(0, screenPoint.y, Global::screenSize.x, screenPoint.y);
+ painter->drawLine(screenPoint.x, 0, screenPoint.x, Global::screenSize.y);
+}
+
+
+void Painter::DrawInformativeText(QString text)
+{
+ painter->setFont(*Global::font);
+ QRectF bounds = painter->boundingRect(QRectF(), Qt::AlignVCenter, text);
+ bounds.moveTo(17.0, 17.0);
+ QRectF textRect = bounds;
+ textRect.adjust(-7.0, -7.0, 7.0, 7.0);
+
+ QPen pen = QPen(QColor(0x00, 0xFF, 0x00), 1.0, Qt::SolidLine);
+ painter->setPen(pen);
+ painter->setBrush(QBrush(QColor(0x40, 0xFF, 0x40, 0x9F)));
+ painter->drawRoundedRect(textRect, 7.0, 7.0);
+
+ pen = QPen(QColor(0x00, 0x5F, 0xDF));
+ painter->setPen(pen);
+ painter->drawText(bounds, Qt::AlignVCenter, text);
+}
+
projects / architektonas / blobdiff