//
#include "painter.h"
-
-#include "mathconstants.h"
-//#include "object.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:
}
+void Painter::SetPen(QPen pen)
+{
+ if (!painter)
+ return;
+
+ painter->setPen(pen);
+}
+
+
+void Painter::SetPen(uint32_t color, float size/*= 0*/, int style/*= 0*/)
+{
+ if (!painter)
+ return;
+
+ // We can cast style as Qt:PenStyle because they line up 1-to-1
+ painter->setPen(QPen(QColor(color >> 16, (color >> 8) & 0xFF, color & 0xFF, 255),
+ size, (Qt::PenStyle)style));
+}
+
+
void Painter::SetBrush(QBrush brush)
{
if (!painter)
}
-void Painter::SetFont(QFont font)
+void Painter::SetBrush(uint32_t color)
{
if (!painter)
return;
- painter->setFont(font);
+ painter->setBrush(QBrush(QColor(color >> 16, (color >> 8) & 0xFF, color & 0xFF, 255)));
}
-void Painter::SetPen(QPen pen)
+void Painter::SetFont(QFont font)
{
if (!painter)
return;
- painter->setPen(pen);
+ painter->setFont(font);
}
// 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);
}
+//
+// Draw angled text. Draws text using point p as the upper left corner.
+// Size is point size, angle is in radians (defaults to 0).
+//
+void Painter::DrawTextObject(Point p, QString text, double size, double angle/*= 0*/)
+{
+ if (!painter)
+ return;
+
+ p = CartesianToQtCoords(p);
+ painter->setFont(QFont("Arial", Global::zoom * size));
+ int textWidth = QFontMetrics(painter->font()).width(text);
+ int textHeight = QFontMetrics(painter->font()).height();
+
+ QRectF textBox(0, 0, textWidth, textHeight);
+ painter->save();
+ painter->translate(p.x, p.y);
+ // Angles are backwards in the Qt coord system, so we flip ours...
+ painter->rotate(-angle * RADIANS_TO_DEGREES);
+ painter->drawText(textBox, Qt::AlignLeft | Qt::AlignTop , text);
+ painter->restore();
+}
+
+
void Painter::DrawArc(Vector center, double radius, double startAngle, double span)
{
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);
}
return;
Vector screenPoint = CartesianToQtCoords(point);
- painter->drawLine(0, screenPoint.y, screenSize.x, screenPoint.y);
- painter->drawLine(screenPoint.x, 0, screenPoint.x, screenSize.y);
+ painter->drawLine(0, screenPoint.y, Global::screenSize.x, screenPoint.y);
+ painter->drawLine(screenPoint.x, 0, screenPoint.x, Global::screenSize.y);
}