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DXF: Multi-line Text rotation fine-tuned

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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@2757 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
abhishekm71
2014-01-19 18:09:27 +00:00
parent 8b261f3caa
commit 6c10c16e27
2 changed files with 72 additions and 8 deletions
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79
sources/exportdialog.cpp
View File

@@ -431,9 +431,20 @@ void ExportDialog::generateDxf(Diagram *diagram, int width, int height, bool kee
QStringList lines = dti -> toPlainText().split('\n');
y += (fontSize/2) * (lines.count()-1);
foreach (QString line, lines) {
qreal angle = 360 - (dti -> rotationAngle() + rotation_angle);
if (line.size() > 0 && line != "_" )
Createdxf::drawText(file_path, line, x, y, fontSize, -(dti -> rotationAngle() + rotation_angle), 0 );
y -= fontSize*1.06;
Createdxf::drawText(file_path, line, x, y, fontSize, angle, 0);
angle += 1080;
// coordinates for next line
if (int(angle) % 360 == 0) // no rotation
y -= fontSize*1.06;
else if (int(angle - 180) % 360 == 0) // 180 degrees rotation
y += fontSize*1.06;
else if (int(angle - 270) % 360 == 0) // 90 degrees rotation
x -= fontSize*1.06;
else // ((angle - 90) % 360 == 0) 270 degrees rotation
x += fontSize*1.06;
}
}
@@ -518,7 +529,8 @@ void ExportDialog::generateDxf(Diagram *diagram, int width, int height, bool kee
qreal h = arc -> at(3) * Createdxf::yScale;
qreal startAngle = arc -> at(4);
qreal spanAngle = arc -> at(5);
drawDxfArcEllipse(file_path, x, y, w, h, startAngle, spanAngle, hotspot_x, hotspot_y, rotation_angle);
/*
// approximate this to center_x, center_y, radius, start angle and end angle.
qreal center_x = x + w/2;
qreal center_y = y - w/2;
@@ -533,7 +545,7 @@ void ExportDialog::generateDxf(Diagram *diagram, int width, int height, bool kee
endAngle += rotation_angle;
startAngle += rotation_angle;
Createdxf::drawArc(file_path, center_x, center_y, radius, endAngle, startAngle, 0);
}
}*/
}
}
@@ -557,9 +569,20 @@ void ExportDialog::generateDxf(Diagram *diagram, int width, int height, bool kee
qreal y = Createdxf::sheetHeight - (textItem -> pos().y() * Createdxf::yScale) - fontSize;
QStringList lines = textItem->toPlainText().split('\n');
foreach (QString line, lines) {
qreal angle = 360 - (textItem -> rotationAngle());
if (line.size() > 0 && line != "_" )
Createdxf::drawText(file_path, line, x, y, fontSize, textItem -> rotationAngle(), 0 );
y -= fontSize*1.06;
Createdxf::drawText(file_path, line, x, y, fontSize, angle, 0 );
angle += 1080;
// coordinates for next line
if (int(angle) % 360 == 0) // no rotation
y -= fontSize*1.06;
else if (int(angle - 180) % 360 == 0) // 180 degrees rotation
y += fontSize*1.06;
else if (int(angle - 270) % 360 == 0) // 90 degrees rotation
x -= fontSize*1.06;
else // ((angle - 90) % 360 == 0) 270 degrees rotation
x += fontSize*1.06;
}
}
@@ -575,13 +598,53 @@ void ExportDialog::generateDxf(Diagram *diagram, int width, int height, bool kee
qreal y = Createdxf::sheetHeight - (dti -> pos().y() * Createdxf::yScale) - fontSize*1.05;
QStringList lines = dti -> toPlainText().split('\n');
foreach (QString line, lines) {
Createdxf::drawText(file_path, line, x, y, fontSize, dti -> rotationAngle(), 0 );
y -= fontSize*1.06;
qreal angle = 360 - (dti -> rotationAngle());
if (line.size() > 0 && line != "_" )
Createdxf::drawText(file_path, line, x, y, fontSize, angle, 0);
angle += 1080;
// coordinates for next line
if (int(angle) % 360 == 0) // no rotation
y -= fontSize*1.06;
else if (int(angle - 180) % 360 == 0) // 180 degrees rotation
y += fontSize*1.06;
else if (int(angle - 270) % 360 == 0) // 90 degrees rotation
x -= fontSize*1.06;
else // ((angle - 90) % 360 == 0) 270 degrees rotation
x += fontSize*1.06;
}
}
Createdxf::dxfEnd(file_path);
}
// approximate the ellipse to parts of circles.
void ExportDialog::drawDxfArcEllipse(QString file_path, qreal x, qreal y, qreal w, qreal h, qreal startAngle,
qreal spanAngle, qreal hotspot_x, qreal hotspot_y, qreal rotation_angle) {
/*//if horizontal ellipse
if (w > h) {
qreal sin1 = sin(startAngle);
qreal sin2 = sin(startAngle + spanAngle);
if (sin1 > 0 && sin2 < 0) {
}
}*/
qreal center_x = x + w/2;
qreal center_y = y - w/2;
qreal radius = (w+h)/4;
qreal endAngle = startAngle + spanAngle;
QPointF transformed_point = rotation_transformed(center_x, center_y, hotspot_x, hotspot_y, rotation_angle);
center_x = transformed_point.x();
center_y = transformed_point.y();
if (startAngle == 0 && spanAngle == 360)
Createdxf::drawCircle(file_path, radius, center_x, center_y, 0);
else {
endAngle += rotation_angle;
startAngle += rotation_angle;
Createdxf::drawArc(file_path, center_x, center_y, radius, endAngle, startAngle, 0);
}
}
QPointF ExportDialog::rotation_transformed(qreal px, qreal py , qreal origin_x, qreal origin_y, qreal angle) {
angle *= -3.14159265 / 180;

1
sources/exportdialog.h
View File

@@ -90,6 +90,7 @@ class ExportDialog : public QDialog {
qreal diagramRatio(Diagram *);
QSize diagramSize(Diagram *);
QPointF rotation_transformed(qreal, qreal, qreal, qreal, qreal);
void drawDxfArcEllipse(QString, qreal, qreal, qreal, qreal, qreal, qreal, qreal, qreal, qreal);
public slots:
void slot_correctWidth(int);