we do! :-)
*/
- SetGridSize(12); // This is in pixels
+ gridPixels = 12; //tmp
+ SetGridSize(12.0); // This is in pixels
+}
+
+
+void DrawingView::DrawBackground(Painter * painter)
+{
+ Point ul = Painter::QtToCartesianCoords(Vector(0, 0));
+ Point br = Painter::QtToCartesianCoords(Vector(Global::screenSize.x, Global::screenSize.y));
+
+ painter->SetBrush(0xF0F0F0);
+ painter->SetPen(0xF0F0F0, 1, 1);
+ painter->DrawRect(QRectF(QPointF(ul.x, ul.y), QPointF(br.x, br.y)));
+
+ double spacing = Global::gridSpacing;
+
+ if (spacing < 1.0)
+ spacing = 1.0;
+
+ double leftx = floor(ul.x / spacing) * spacing;
+ double bottomy = floor(br.y / spacing) * spacing;
+
+ double w = (br.x - ul.x) + Global::gridSpacing + 1.0;
+ double h = (ul.y - br.y) + Global::gridSpacing + 1.0;
+
+ Vector start(leftx, bottomy), size(w, h);
+
+ if (Global::gridSpacing <= 0.015625)
+ DrawSubGrid(painter, 0xFFD2D2, 0.015625, start, size);
+
+ if (Global::gridSpacing <= 0.03125)
+ DrawSubGrid(painter, 0xFFD2D2, 0.03125, start, size);
+
+ if (Global::gridSpacing <= 0.0625)
+ DrawSubGrid(painter, 0xB8ECFF, 0.0625, start, size);
+
+ if (Global::gridSpacing <= 0.125)
+ DrawSubGrid(painter, 0xB8ECFF, 0.125, start, size);
+
+ if (Global::gridSpacing <= 0.25)
+ DrawSubGrid(painter, 0xDBDBFF, 0.25, start, size);
+
+ if (Global::gridSpacing <= 0.5)
+ DrawSubGrid(painter, 0xDBDBFF, 0.5, start, size);
+
+ painter->SetPen(QPen(QColor(0xD2, 0xD2, 0xFF), 2.0, Qt::SolidLine));
+
+ for(double i=0; i<=w; i+=spacing)
+ painter->DrawVLine(leftx + i);
+
+ for(double i=0; i<=h; i+=spacing)
+ painter->DrawHLine(bottomy + i);
+}
+
+
+void DrawingView::DrawSubGrid(Painter * painter, uint32_t color, double step, Vector start, Vector size)
+{
+ painter->SetPen(color, 1, 1);
+
+ for(double i=-step; i<=size.x; i+=step*2.0)
+ painter->DrawVLine(start.x + i);
+
+ for(double i=-step; i<=size.y; i+=step*2.0)
+ painter->DrawHLine(start.y + i);
}
void DrawingView::SetGridSize(uint32_t size)
{
+#if 0
// Sanity check
if (size == gridPixels)
return;
+ // tmp...
+ if (size <= 1)
+ return;
+
// Recreate the background bitmap
gridPixels = size;
QPainter pmp(&gridBackground);
// This shouldn't be done here, because it fucks up the scrollwheel zooming...
// Global::zoom = gridPixels / Global::gridSpacing;
UpdateGridBackground();
+#endif
}
void DrawingView::UpdateGridBackground(void)
{
+#if 0
// Transform the origin to Qt coordinates
Vector pixmapOrigin = Painter::CartesianToQtCoords(Vector());
int x = (int)pixmapOrigin.x;
pal.setBrush(backgroundRole(), QBrush(pm));
setAutoFillBackground(true);
setPalette(pal);
+#endif
+}
+
+
+void DrawingView::SetGridSize(double size)
+{
+#if 0
+ // Sanity check
+ if (size == gridPixelsF)
+ return;
+
+ // tmp...
+ if (size <= 1)
+ return;
+
+ // Recreate the background bitmap
+ gridPixelsF = size;
+ QPainter pmp(&gridBackground);
+ pmp.fillRect(0, 0, BACKGROUND_MAX_SIZE, BACKGROUND_MAX_SIZE, QColor(240, 240, 240));
+ pmp.setPen(QPen(QColor(210, 210, 255), 2.0, Qt::SolidLine));
+
+ for(double i=0; i<(BACKGROUND_MAX_SIZE-1); i+=gridPixelsF)
+ {
+ pmp.drawLine(i, 0, i, (double)(BACKGROUND_MAX_SIZE - 1));
+ pmp.drawLine(0, i, (double)(BACKGROUND_MAX_SIZE - 1), i);
+ }
+
+ pmp.end();
+
+ // Set up new BG brush & zoom level (pixels per base unit)
+// This shouldn't be done here, because it fucks up the scrollwheel zooming...
+// Global::zoom = gridPixels / Global::gridSpacing;
+ UpdateGridBackgroundF();
+#endif
+}
+
+
+void DrawingView::UpdateGridBackgroundF(void)
+{
+#if 0
+ // Transform the origin to Qt coordinates
+ Vector pixmapOrigin = Painter::CartesianToQtCoords(Vector());
+ int x = 0;// (int)pixmapOrigin.x;
+ int y = 0;// (int)pixmapOrigin.y;
+ // Use mod arithmetic to grab the correct swatch of background
+
+/* if (x < 0)
+ x = -x % gridPixels;
+ else
+ x = (gridPixels - (x % gridPixels)) % gridPixels;
+
+ if (y < 0)
+ y = -y % gridPixels;
+ else
+ y = (gridPixels - (y % gridPixels)) % gridPixels;*/
+
+ // Here we grab a section of the bigger pixmap, so that the background
+ // *looks* like it's scrolling...
+ QPixmap pm = gridBackground.copy(x, y, gridPixelsF, gridPixelsF);
+ QPalette pal = palette();
+ pal.setBrush(backgroundRole(), QBrush(pm));
+ setAutoFillBackground(true);
+ setPalette(pal);
+#endif
}
Global::viewportHeight = size().height();
+ DrawBackground(&painter);
+
// Draw coordinate axes
painter.SetPen(QPen(Qt::blue, 1.0, Qt::DotLine));
painter.DrawLine(0, -16384, 0, 16384);
void DrawingView::wheelEvent(QWheelEvent * event)
{
- double zoomFactor = 1.25;
+ double zoomFactor = 1.20;
scrollWheelSeen = true;
- if (event->delta() < 0)
+ if (event->angleDelta().y() < 0)
{
- if (Global::zoom > 20.0)
+ if (Global::zoom > 400.0)
return;
Global::zoom *= zoomFactor;
-// Point np = Painter::QtToCartesianCoords(oldScrollPoint);
-// Global::origin += (oldPoint - np);
}
else
{
- if (Global::zoom < 0.25)
+ if (Global::zoom < 0.125)
return;
Global::zoom /= zoomFactor;
-// Point np = Painter::QtToCartesianCoords(oldScrollPoint);
-// Global::origin += (oldPoint - np);
}
Point np = Painter::QtToCartesianCoords(oldScrollPoint);
Global::origin += (oldPoint - np);
-// Global::gridSpacing = gridPixels / Painter::zoom;
- SetGridSize(Global::gridSpacing * Global::zoom);
- update();
-// zoomIndicator->setText(QString("Grid: %1\", BU: Inch").arg(Global::gridSpacing));
+ emit(NeedZoomUpdate());
}