Draw grid
| 528 | |
| 529 | // ********** Draw grid *************************** |
| 530 | void Ruler::DrawGrid(wxDC& dc, |
| 531 | const int gridLineLength, |
| 532 | const bool minorGrid, const bool majorGrid, int xOffset, int yOffset) |
| 533 | const |
| 534 | { |
| 535 | UpdateCache( dc, nullptr ); |
| 536 | auto &cache = *mpCache; |
| 537 | |
| 538 | int gridPos; |
| 539 | wxPen gridPen; |
| 540 | |
| 541 | if(mbMinor && (minorGrid && (gridLineLength != 0 ))) { |
| 542 | gridPen.SetColour(178, 178, 178); // very light grey |
| 543 | dc.SetPen(gridPen); |
| 544 | for( const auto &label : cache.mMinorLabels ) { |
| 545 | gridPos = label.pos; |
| 546 | if(mRulerStruct.mOrientation == wxHORIZONTAL) { |
| 547 | if((gridPos != 0) && (gridPos != gridLineLength)) |
| 548 | AColor::Line(dc, gridPos+xOffset, yOffset, gridPos+xOffset, gridLineLength-1+yOffset); |
| 549 | } |
| 550 | else { |
| 551 | if((gridPos != 0) && (gridPos != gridLineLength)) |
| 552 | AColor::Line(dc, xOffset, gridPos+yOffset, gridLineLength-1+xOffset, gridPos+yOffset); |
| 553 | } |
| 554 | } |
| 555 | } |
| 556 | |
| 557 | if(majorGrid && (gridLineLength != 0 )) { |
| 558 | gridPen.SetColour(127, 127, 127); // light grey |
| 559 | dc.SetPen(gridPen); |
| 560 | for( const auto &label : cache.mMajorLabels ) { |
| 561 | gridPos = label.pos; |
| 562 | if(mRulerStruct.mOrientation == wxHORIZONTAL) { |
| 563 | if((gridPos != 0) && (gridPos != gridLineLength)) |
| 564 | AColor::Line(dc, gridPos+xOffset, yOffset, gridPos+xOffset, gridLineLength-1+yOffset); |
| 565 | } |
| 566 | else { |
| 567 | if((gridPos != 0) && (gridPos != gridLineLength)) |
| 568 | AColor::Line(dc, xOffset, gridPos+yOffset, gridLineLength-1+xOffset, gridPos+yOffset); |
| 569 | } |
| 570 | } |
| 571 | |
| 572 | int zeroPosition = GetZeroPosition(); |
| 573 | if(zeroPosition > 0) { |
| 574 | // Draw 'zero' grid line in black |
| 575 | dc.SetPen(*wxBLACK_PEN); |
| 576 | if(mRulerStruct.mOrientation == wxHORIZONTAL) { |
| 577 | if(zeroPosition != gridLineLength) |
| 578 | AColor::Line(dc, zeroPosition+xOffset, yOffset, zeroPosition+xOffset, gridLineLength-1+yOffset); |
| 579 | } |
| 580 | else { |
| 581 | if(zeroPosition != gridLineLength) |
| 582 | AColor::Line(dc, xOffset, zeroPosition+yOffset, gridLineLength-1+xOffset, zeroPosition+yOffset); |
| 583 | } |
| 584 | } |
| 585 | } |
| 586 | } |
| 587 |