Added ability to edit grid unit in base units, work on Dimension.

[architektonas] / src / painter.cpp

diff --git a/src/painter.cpp b/src/painter.cpp
index 0dfdf3c76471920a33ae7e679524f80bc8ebd73a..6cfd91f8ef62641d6584158631c6a3834866532a 100644 (file)
--- a/src/painter.cpp
+++ b/src/painter.cpp
@@ -27,10 +27,12 @@ Painter::Painter(QPainter * p/*= NULL*/): painter(p)
 {
 }
 
+
 Painter::~Painter()
 {
 }
 
+
 Vector Painter::CartesianToQtCoords(Vector v)
 {
        // Convert regular Cartesian coordinates to the inverted Y-axis Qt coordinates
@@ -38,6 +40,7 @@ Vector Painter::CartesianToQtCoords(Vector v)
        return Vector((v.x - origin.x) * zoom, screenSize.y - ((v.y - origin.y) * zoom));
 }
 
+
 Vector Painter::QtToCartesianCoords(Vector v)
 {
        // Convert screen location, with inverted Y-axis coordinates, to regular
@@ -66,6 +69,7 @@ The way we calculate the Cartesian to Qt shows the 2nd (origin is cartesian) to
 */
 }
 
+
 void Painter::SetRenderHint(int hint)
 {
        if (!painter)
@@ -74,6 +78,7 @@ void Painter::SetRenderHint(int hint)
        painter->setRenderHint((QPainter::RenderHint)hint);
 }
 
+
 void Painter::SetBrush(QBrush brush)
 {
        if (!painter)
@@ -82,6 +87,7 @@ void Painter::SetBrush(QBrush brush)
        painter->setBrush(brush);
 }
 
+
 void Painter::SetFont(QFont font)
 {
        if (!painter)
@@ -90,6 +96,7 @@ void Painter::SetFont(QFont font)
        painter->setFont(font);
 }
 
+
 void Painter::SetPen(QPen pen)
 {
        if (!painter)
@@ -98,7 +105,8 @@ void Painter::SetPen(QPen pen)
        painter->setPen(pen);
 }
 
-void Painter::DrawAngledText(Vector center, double angle, QString text)
+
+void Painter::DrawAngledText(Vector center, double angle, QString text, double size)
 {
        if (!painter)
                return;
@@ -111,28 +119,22 @@ void Painter::DrawAngledText(Vector center, double angle, QString text)
        // 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, -100, 200, 200);   // x, y, w, h; x/y = upper left corner
+       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
 
        // 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.
-       // If zoomable, this is incorrect:
-       // (Added zoom, so this is correct now :-)
-       int yOffset = -12 * zoom;
+       // 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;
 
        // Fix text so it isn't upside down...
        if ((angle > PI * 0.5) && (angle < PI * 1.5))
        {
                angle += PI;
-               yOffset = 12 * zoom;
+               yOffset = 12.0 * zoom * size;
        }
 
-#if 0
-       Vector offset = CartesianToQtCoords(Vector(0, yOffset));
-       textBox.translate(offset.x, offset.y);
-#else
        textBox.translate(0, yOffset);
-#endif
        painter->save();
        painter->translate(center.x, center.y);
        // Angles are backwards in the Qt coord system, so we flip ours...
@@ -142,6 +144,7 @@ void Painter::DrawAngledText(Vector center, double angle, QString text)
        painter->restore();
 }
 
+
 void Painter::DrawArc(Vector center, double radius, double startAngle, double span)
 {
        center = CartesianToQtCoords(center);
@@ -154,6 +157,7 @@ void Painter::DrawArc(Vector center, double radius, double startAngle, double sp
        painter->drawArc(rectangle, angle1, angle2);
 }
 
+
 void Painter::DrawEllipse(Vector center, double axis1, double axis2)
 {
        // Need to multiply scalar quantities by the zoom factor as well...
@@ -161,14 +165,17 @@ void Painter::DrawEllipse(Vector center, double axis1, double axis2)
        painter->drawEllipse(QPointF(center.x, center.y), axis1 * zoom, axis2 * 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::DrawHandle(Vector center)
 {
        center = CartesianToQtCoords(center);
+       painter->setBrush(Qt::NoBrush);
        painter->drawEllipse(QPointF(center.x, center.y), 4.0, 4.0);
 }
 
+
 void Painter::DrawLine(int x1, int y1, int x2, int y2)
 {
        if (!painter)
@@ -179,6 +186,7 @@ void Painter::DrawLine(int x1, int y1, int x2, int y2)
        painter->drawLine(v1.x, v1.y, v2.x, v2.y);
 }
 
+
 void Painter::DrawLine(Vector v1, Vector v2)
 {
        if (!painter)
@@ -189,6 +197,7 @@ void Painter::DrawLine(Vector v1, Vector v2)
        painter->drawLine(QPointF(v1.x, v1.y), QPointF(v2.x, v2.y));
 }
 
+
 void Painter::DrawPoint(int x, int y)
 {
        if (!painter)
@@ -198,6 +207,7 @@ void Painter::DrawPoint(int x, int y)
        painter->drawPoint(v.x, v.y);
 }
 
+
 void Painter::DrawRoundedRect(QRectF rect, double radiusX, double radiusY)
 {
        if (!painter)
@@ -206,6 +216,19 @@ void Painter::DrawRoundedRect(QRectF rect, double radiusX, double radiusY)
        painter->drawRoundedRect(rect, radiusX, radiusY);
 }
 
+
+void Painter::DrawRect(QRectF rect)
+{
+       if (!painter)
+               return;
+
+       Vector v1 = CartesianToQtCoords(Vector(rect.x(), rect.y()));
+       Vector v2 = CartesianToQtCoords(Vector(rect.right(), rect.bottom()));
+       QRectF screenRect(QPointF(v1.x, v1.y), QPointF(v2.x, v2.y));
+       painter->drawRect(screenRect);
+}
+
+
 void Painter::DrawText(QRectF rect, int type, QString text)
 {
        if (!painter)
@@ -213,3 +236,28 @@ void Painter::DrawText(QRectF rect, int type, QString text)
 
        painter->drawText(rect, (Qt::AlignmentFlag)type, text);
 }
+
+
+void Painter::DrawArrowhead(Vector head, Vector tail, double size)
+{
+       QPolygonF arrow;
+
+       // We draw the arrowhead aligned along the line from tail to head
+       double angle = Vector(head - tail).Angle();
+       double orthoAngle = angle + (PI / 2.0);
+       Vector orthogonal = Vector(cos(orthoAngle), sin(orthoAngle));
+       Vector unit = Vector(head - tail).Unit();
+
+       Point p1 = head - (unit * 9.0 * size);
+       Point p2 = p1 + (orthogonal * 3.0 * size);
+       Point p3 = p1 - (orthogonal * 3.0 * size);
+
+       Point p4 = CartesianToQtCoords(head);
+       Point p5 = CartesianToQtCoords(p2);
+       Point p6 = CartesianToQtCoords(p3);
+
+       arrow << QPointF(p4.x, p4.y) << QPointF(p5.x, p5.y) << QPointF(p6.x, p6.y);
+
+       painter->drawPolygon(arrow);
+}
+