X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fpainter.cpp;h=e20f3eeb2247c52c8bd84711dd9589cd430e6692;hb=9bf789d643e1885fee526a1d4d1e2648f02bbd86;hp=0dfdf3c76471920a33ae7e679524f80bc8ebd73a;hpb=043ecf4d074909ba2f7f53237962f9eaa72f19c2;p=architektonas

diff --git a/src/painter.cpp b/src/painter.cpp
index 0dfdf3c..e20f3ee 100644
--- a/src/painter.cpp
+++ b/src/painter.cpp
@@ -13,36 +13,33 @@
 //
 
 #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);
-
-
 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
-	// at the current origin and zoom level.
-	return Vector((v.x - origin.x) * zoom, screenSize.y - ((v.y - origin.y) * zoom));
+	// Convert regular Cartesian coordinates to the inverted Y-axis Qt
+	// coordinates at the current origin and zoom level.
+	return Vector((v.x - Global::origin.x) * Global::zoom, Global::screenSize.y - ((v.y - Global::origin.y) * Global::zoom));
 }
 
+
 Vector Painter::QtToCartesianCoords(Vector v)
 {
 	// 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:
 
@@ -66,6 +63,7 @@ The way we calculate the Cartesian to Qt shows the 2nd (origin is cartesian) to
 */
 }
 
+
 void Painter::SetRenderHint(int hint)
 {
 	if (!painter)
@@ -74,6 +72,27 @@ void Painter::SetRenderHint(int hint)
 	painter->setRenderHint((QPainter::RenderHint)hint);
 }
 
+
+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)
@@ -82,23 +101,26 @@ void Painter::SetBrush(QBrush brush)
 	painter->setBrush(brush);
 }
 
-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);
 }
 
-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 +133,24 @@ 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 * 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.
-	// 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 * Global::zoom * size;
+	float yOffset = -8.0 * Global::zoom * size;
 
 	// Fix text so it isn't upside down...
-	if ((angle > PI * 0.5) && (angle < PI * 1.5))
+	if ((angle > QTR_TAU) && (angle < THREE_QTR_TAU))
 	{
-		angle += PI;
-		yOffset = 12 * zoom;
+		angle += HALF_TAU;
+//		yOffset = 12.0 * Global::zoom * size;
+		yOffset = 8.0 * Global::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...
@@ -142,11 +160,58 @@ void Painter::DrawAngledText(Vector center, double angle, QString text)
 	painter->restore();
 }
 
+
+//
+// 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();
+}
+
+
+//
+// Return the non-rotated rectangle containing the extents of the text in
+// Cartesian coordiates (starting from <0, 0>, the lower left hand side)
+//
+Rect Painter::MeasureTextObject(QString text, double size)
+{
+	if (!painter)
+		return Rect();
+
+	painter->setFont(QFont("Arial", Global::zoom * size));
+	int textWidth = QFontMetrics(painter->font()).width(text);
+	int textHeight = QFontMetrics(painter->font()).height();
+	Point measured((double)textWidth / Global::zoom, (double)textHeight / Global::zoom);// = QtToCartesianCoords(Point(textWidth, textHeight));
+//printf("QFontMetrics w/h=%i/%i, measured=%lf/%lf\n", textWidth, textHeight, measured.x, measured.y);
+
+	return Rect(Point(0, 0), measured);
+}
+
+
 void Painter::DrawArc(Vector center, double radius, double startAngle, double span)
 {
+	if (!painter)
+		return;
+
 	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);
@@ -154,21 +219,137 @@ 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)
 {
+	if (!painter)
+		return;
+
 	// 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::DrawHandle(Vector center)
 {
+	if (!painter)
+		return;
+
 	center = CartesianToQtCoords(center);
+	painter->setPen(QPen(Qt::red, 2.0, Qt::DotLine));
+	painter->setBrush(Qt::NoBrush);
 	painter->drawEllipse(QPointF(center.x, center.y), 4.0, 4.0);
 }
 
+
+// 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::DrawSmallHandle(Vector center)
+{
+	if (!painter)
+		return;
+
+	center = CartesianToQtCoords(center);
+	painter->setPen(QPen(Qt::red, 2.0, Qt::DotLine));
+	painter->setBrush(Qt::NoBrush);
+	painter->drawEllipse(QPointF(center.x, center.y), 2.0, 2.0);
+}
+
+
+// This function is for drawing feedback points without regard for zoom level;
+// we don't want our feedback point size to depend on the zoom level!
+void Painter::DrawCross(Vector point)
+{
+	if (!painter)
+		return;
+
+	point = CartesianToQtCoords(point);
+	painter->setPen(QPen(Qt::red, 2.0, Qt::SolidLine));
+	painter->drawLine(point.x - 8.0, point.y, point.x + 8.0, point.y);
+	painter->drawLine(point.x, point.y - 8.0, point.x, point.y + 8.0);
+}
+
+
+// This function is for drawing feedback points without regard for zoom level;
+// we don't want our feedback point size to depend on the zoom level!
+void Painter::DrawRectCorners(Rect rect)
+{
+	if (!painter)
+		return;
+
+	Vector v1 = CartesianToQtCoords(Vector(rect.l, rect.t));
+	Vector v2 = CartesianToQtCoords(Vector(rect.r, rect.b));
+	v1 += Vector(-8.0, -8.0);
+	v2 += Vector(+8.0, +8.0);
+	painter->setPen(QPen(Qt::red, 2.0, Qt::DashLine));
+	painter->drawLine(v1.x, v1.y, v1.x + 24, v1.y);
+	painter->drawLine(v1.x, v1.y, v1.x, v1.y + 24);
+	painter->drawLine(v2.x, v1.y, v2.x - 24, v1.y);
+	painter->drawLine(v2.x, v1.y, v2.x, v1.y + 24);
+	painter->drawLine(v2.x, v2.y, v2.x - 24, v2.y);
+	painter->drawLine(v2.x, v2.y, v2.x, v2.y - 24);
+	painter->drawLine(v1.x, v2.y, v1.x + 24, v2.y);
+	painter->drawLine(v1.x, v2.y, v1.x, v2.y - 24);
+
+}
+
+
+// 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)
+{
+	if (!painter)
+		return;
+
+	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 + QTR_TAU;
+	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)
+{
+	if (!painter)
+		return;
+
+	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 + QTR_TAU;
+	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)
@@ -179,6 +360,7 @@ 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 +371,25 @@ void Painter::DrawLine(Vector v1, Vector v2)
 	painter->drawLine(QPointF(v1.x, v1.y), QPointF(v2.x, v2.y));
 }
 
+
+void Painter::DrawHLine(double ypos)
+{
+	double width = Global::screenSize.x / Global::zoom;
+	Vector v1 = CartesianToQtCoords(Vector(Global::origin.x, ypos));
+	Vector v2 = CartesianToQtCoords(Vector(Global::origin.x + width, ypos));
+	painter->drawLine(QPointF(v1.x, v1.y), QPointF(v2.x, v2.y));
+}
+
+
+void Painter::DrawVLine(double xpos)
+{
+	double height = Global::screenSize.y / Global::zoom;
+	Vector v1 = CartesianToQtCoords(Vector(xpos, Global::origin.y));
+	Vector v2 = CartesianToQtCoords(Vector(xpos, Global::origin.y + height));
+	painter->drawLine(QPointF(v1.x, v1.y), QPointF(v2.x, v2.y));
+}
+
+
 void Painter::DrawPoint(int x, int y)
 {
 	if (!painter)
@@ -198,6 +399,8 @@ void Painter::DrawPoint(int x, int y)
 	painter->drawPoint(v.x, v.y);
 }
 
+
+// The rect passed in is in Qt coordinates...
 void Painter::DrawRoundedRect(QRectF rect, double radiusX, double radiusY)
 {
 	if (!painter)
@@ -206,6 +409,34 @@ void Painter::DrawRoundedRect(QRectF rect, double radiusX, double radiusY)
 	painter->drawRoundedRect(rect, radiusX, radiusY);
 }
 
+
+// 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)
+		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));
+	screenRect.adjust(-8, 8, 8, -8);	// Left/top, right/bottom
+	painter->drawRect(screenRect);
+}
+
+
+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 +444,65 @@ 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)
+{
+	if (!painter)
+		return;
+
+	QPolygonF arrow;
+
+	// We draw the arrowhead aligned along the line from tail to head
+	double angle = Vector(head - tail).Angle();
+	double orthoAngle = angle + QTR_TAU;
+	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);
+}
+
+
+// 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)
+{
+	if (!painter)
+		return;
+
+	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, 0xD7)));
+	painter->drawRoundedRect(textRect, 7.0, 7.0);
+
+	pen = QPen(QColor(0x00, 0x5F, 0xDF));
+	painter->setPen(pen);
+	painter->drawText(bounds, Qt::AlignVCenter, text);
+}
+