+++ /dev/null
-// grid.cpp
-//
-// Part of the Architektonas Project
-// Originally part of QCad Community Edition by Andrew Mustun
-// Extensively rewritten and refactored by James L. Hammons
-// Portions copyright (C) 2001-2003 RibbonSoft
-// Copyright (C) 2010 Underground Software
-// See the README and GPLv2 files for licensing and warranty information
-//
-// JLH = James L. Hammons <jlhamm@acm.org>
-//
-// Who When What
-// --- ---------- -----------------------------------------------------------
-// JLH 05/21/2010 Added this text. :-)
-//
-
-#include "grid.h"
-
-#include "drawing.h"
-#include "graphicview.h"
-#include "settings.h"
-#include "units.h"
-#include "vector.h"
-
-#warning "!!! Clean out all references to RS_GraphicView here and in header !!!"
-/**
- * Constructor.
- */
-Grid::Grid(GraphicView * gv): graphicView(gv), pt(NULL), number(0),
- metaX(NULL), numMetaX(0), metaY(NULL), numMetaY(0)
-{
-}
-
-/**
- * Destructor.
- */
-Grid::~Grid()
-{
- if (pt != NULL)
- delete[] pt;
-
- if (metaX != NULL)
- delete[] metaX;
-
- if (metaY != NULL)
- delete[] metaY;
-}
-
-/**
- * Updates the grid point array.
- */
-void Grid::update()
-{
- DEBUG->print("Grid::update");
-
- if (!graphicView->isGridOn())
- return;
-
- Drawing * drawing = graphicView->GetDrawing();
-
- // auto scale grid?
- settings.beginGroup("Appearance");
- bool scaleGrid = settings.value("ScaleGrid", true).toBool();
- int minGridSpacing = settings.value("MinGridSpacing", 10).toInt();
- settings.endGroup();
-
- // get grid setting
- Vector userGrid;
-
- if (drawing != NULL)
- userGrid = drawing->getVariableVector("$GRIDUNIT", Vector(-1.0, -1.0));
-
- // delete old grid:
- if (pt != NULL)
- {
- delete[] pt;
- pt = NULL;
- }
-
- if (metaX != NULL)
- {
- delete[] metaX;
- metaX = NULL;
- }
-
- if (metaY != NULL)
- {
- delete[] metaY;
- metaY = NULL;
- }
-
- number = 0;
- numMetaX = 0;
- numMetaY = 0;
-
- DEBUG->print("Grid::update: 001");
-
- // find out unit:
- RS2::Unit unit = RS2::None;
- RS2::LinearFormat format = RS2::Decimal;
-
- if (drawing != NULL)
- {
- unit = drawing->getUnit();
- format = drawing->getLinearFormat();
- }
-
- Vector gridWidth;
- Vector metaGridWidth;
-
- DEBUG->print("Grid::update: 002");
-
- // init grid spacing:
- // metric grid:
- if (Units::isMetric(unit) || unit == RS2::None
- || format == RS2::Decimal || format == RS2::Engineering)
- {
- if (userGrid.x > 0.0)
- gridWidth.x = userGrid.x;
- else
- gridWidth.x = 0.000001;
-
- if (userGrid.y > 0.0)
- gridWidth.y = userGrid.y;
- else
- gridWidth.y = 0.000001;
-
- DEBUG->print("Grid::update: 003");
-
- // auto scale grid
- if (scaleGrid)
- {
- while (graphicView->toGuiDX(gridWidth.x) < minGridSpacing)
- gridWidth.x *= 10;
-
- while (graphicView->toGuiDY(gridWidth.y) < minGridSpacing)
- gridWidth.y *= 10;
- }
-
- metaGridWidth.x = gridWidth.x * 10;
- metaGridWidth.y = gridWidth.y * 10;
-
- DEBUG->print("Grid::update: 004");
- }
- // imperial grid:
- else
- {
- DEBUG->print("Grid::update: 005");
-
- if (userGrid.x > 0.0)
- gridWidth.x = userGrid.x;
- else
- gridWidth.x = 1.0 / 1024.0;
-
- if (userGrid.y > 0.0)
- gridWidth.y = userGrid.y;
- else
- gridWidth.y = 1.0 / 1024.0;
-
- DEBUG->print("Grid::update: 006");
-
- if (unit == RS2::Inch)
- {
- DEBUG->print("Grid::update: 007");
-
- // auto scale grid
- if (scaleGrid)
- {
- while (graphicView->toGuiDX(gridWidth.x) < minGridSpacing)
- {
- if (Math::round(gridWidth.x) >= 36)
- {
- gridWidth.x *= 2;
- }
- else if (Math::round(gridWidth.x) >= 12)
- {
- gridWidth.x *= 3;
- }
- else if (Math::round(gridWidth.x) >= 4)
- {
- gridWidth.x *= 3;
- }
- else if (Math::round(gridWidth.x) >= 1)
- {
- gridWidth.x *= 2;
- }
- else
- {
- gridWidth.x*=2;
- }
- }
-
- while (graphicView->toGuiDY(gridWidth.y) < minGridSpacing)
- {
- if (Math::round(gridWidth.y) >= 36)
- {
- gridWidth.y *= 2;
- }
- else if (Math::round(gridWidth.y) >= 12)
- {
- gridWidth.y *= 3;
- }
- else if (Math::round(gridWidth.y) >= 4)
- {
- gridWidth.y *= 3;
- }
- else if (Math::round(gridWidth.y) >= 1)
- {
- gridWidth.y *= 2;
- }
- else
- {
- gridWidth.y *= 2;
- }
- }
- }
-
- DEBUG->print("Grid::update: 008");
-
- // metagrid X shows inches..
- metaGridWidth.x = 1.0;
-
- if (graphicView->toGuiDX(metaGridWidth.x) < minGridSpacing * 2)
- {
- // .. or feet
- metaGridWidth.x = 12.0;
-
- // .. or yards
- if (graphicView->toGuiDX(metaGridWidth.x) < minGridSpacing * 2)
- {
- metaGridWidth.x = 36.0;
-
- // .. or miles (not really..)
- //if (graphicView->toGuiDX(metaGridWidth.x)<20) {
- // metaGridWidth.x = 63360.0;
- //}
-
- // .. or nothing
- if (graphicView->toGuiDX(metaGridWidth.x) < minGridSpacing * 2)
- metaGridWidth.x = -1.0;
-
- }
- }
-
- DEBUG->print("Grid::update: 009");
-
- // metagrid Y shows inches..
- metaGridWidth.y = 1.0;
-
- if (graphicView->toGuiDY(metaGridWidth.y) < minGridSpacing * 2)
- {
- // .. or feet
- metaGridWidth.y = 12.0;
-
- // .. or yards
- if (graphicView->toGuiDY(metaGridWidth.y) < minGridSpacing * 2)
- {
- metaGridWidth.y = 36.0;
-
- // .. or miles (not really..)
- //if (graphicView->toGuiDY(metaGridWidth.y)<20) {
- // metaGridWidth.y = 63360.0;
- //}
-
- // .. or nothing
- if (graphicView->toGuiDY(metaGridWidth.y) < minGridSpacing * 2)
- {
- metaGridWidth.y = -1.0;
- }
-
- }
- }
-
- DEBUG->print("Grid::update: 010");
- }
- else
- {
- DEBUG->print("Grid::update: 011");
-
- if (scaleGrid)
- {
- while (graphicView->toGuiDX(gridWidth.x) < minGridSpacing)
- {
- gridWidth.x *= 2;
- }
-
- metaGridWidth.x = -1.0;
-
- while (graphicView->toGuiDY(gridWidth.y) < minGridSpacing)
- {
- gridWidth.y *= 2;
- }
-
- metaGridWidth.y = -1.0;
- }
- DEBUG->print("Grid::update: 012");
- }
- //gridWidth.y = gridWidth.x;
- //metaGridWidth.y = metaGridWidth.x;
- }
-
- DEBUG->print("Grid::update: 013");
-
- // for grid info:
- spacing = gridWidth.x;
- metaSpacing = metaGridWidth.x;
-
- if (gridWidth.x > 1.0e-6 && gridWidth.y > 1.0e-6
- && graphicView->toGuiDX(gridWidth.x) > 2
- && graphicView->toGuiDY(gridWidth.y) > 2)
- {
- // find grid boundaries
- double left = (int)(graphicView->toGraphX(0) / gridWidth.x) * gridWidth.x;
- double right = (int)(graphicView->toGraphX(graphicView->getWidth())
- / gridWidth.x) * gridWidth.x;
- double top = (int)(graphicView->toGraphY(0) / gridWidth.y) * gridWidth.y;
- double bottom = (int)(graphicView->toGraphY(graphicView->getHeight())
- / gridWidth.y) * gridWidth.y;
-
- left -= gridWidth.x;
- right += gridWidth.x;
- top += gridWidth.y;
- bottom -= gridWidth.y;
-
- // calculate number of visible grid points
- int numberX = (Math::round((right-left) / gridWidth.x) + 1);
- int numberY = (Math::round((top-bottom) / gridWidth.y) + 1);
- number = numberX * numberY;
-
- DEBUG->print("Grid::update: 014");
-
- // create grid array:
- if (number > 0 && number < 1000000)
- {
- pt = new Vector[number];
-
- int i=0;
- for(int y=0; y<numberY; ++y)
- {
- for(int x=0; x<numberX; ++x)
- {
- pt[i++] = Vector(left + x * gridWidth.x, bottom + y * gridWidth.y);
- }
- }
- }
- else
- {
- number = 0;
- pt = NULL;
- }
-
- DEBUG->print("Grid::update: 015");
- }
-
- // find meta grid boundaries
- if (metaGridWidth.x > 1.0e-6 && metaGridWidth.y > 1.0e-6
- && graphicView->toGuiDX(metaGridWidth.x) > 2
- && graphicView->toGuiDY(metaGridWidth.y) > 2)
- {
- double mleft = (int)(graphicView->toGraphX(0)
- / metaGridWidth.x) * metaGridWidth.x;
- double mright = (int)(graphicView->toGraphX(graphicView->getWidth())
- / metaGridWidth.x) * metaGridWidth.x;
- double mtop = (int)(graphicView->toGraphY(0)
- / metaGridWidth.y) * metaGridWidth.y;
- double mbottom = (int)(graphicView->toGraphY(graphicView->getHeight())
- / metaGridWidth.y) * metaGridWidth.y;
-
- mleft -= metaGridWidth.x;
- mright += metaGridWidth.x;
- mtop += metaGridWidth.y;
- mbottom -= metaGridWidth.y;
-
- // calculate number of visible meta grid lines:
- numMetaX = (Math::round((mright - mleft) / metaGridWidth.x) + 1);
- numMetaY = (Math::round((mtop - mbottom) / metaGridWidth.y) + 1);
-
- if (numMetaX > 0 && numMetaY > 0)
- {
- // create meta grid arrays:
- metaX = new double[numMetaX];
- metaY = new double[numMetaY];
-
- int i = 0;
-
- for(int x=0; x<numMetaX; ++x)
- metaX[i++] = mleft + x * metaGridWidth.x;
-
- i = 0;
-
- for(int y=0; y<numMetaY; ++y)
- metaY[i++] = mbottom + y * metaGridWidth.y;
- }
- else
- {
- numMetaX = 0;
- metaX = NULL;
- numMetaY = 0;
- metaY = NULL;
- }
- }
-
- DEBUG->print("Grid::update: OK");
-}
-
-/**
- * @return Array of all visible grid points.
- */
-Vector * Grid::getPoints()
-{
- return pt;
-}
-
-/**
- * @return Number of visible grid points.
- */
-int Grid::count()
-{
- return number;
-}
-
-/**
- * @return Grid info for status widget.
- */
-QString Grid::getInfo()
-{
- return QString("%1 / %2").arg(spacing).arg(metaSpacing);
-}
-
-/**
- * @return Meta grid positions in X.
- */
-double * Grid::getMetaX()
-{
- return metaX;
-}
-
-/**
- * @return Number of visible meta grid lines in X.
- */
-int Grid::countMetaX()
-{
- return numMetaX;
-}
-
-/**
-* @return Meta grid positions in Y.
-*/
-double * Grid::getMetaY()
-{
- return metaY;
-}
-
-/**
-* @return Number of visible meta grid lines in Y.
-*/
-int Grid::countMetaY()
-{
- return numMetaY;
-}
projects / architektonas / blobdiff