/* * (non-Javadoc) * * @see es.axios.udig.ui.georeferencing.internal.ui.MarkPresenter#draw() */ public void draw() { assert this.context != null; if (hide) return; ViewportGraphics graphics = context.getGraphics(); graphics.setColor(createColor(getMarkModel().hashCode())); if (point != null) { final int halfsize = EXTENT_SIZE / 2; this.extent = new Rectangle( (int) (point.getX() - halfsize), (int) (point.getY() - halfsize), EXTENT_SIZE, EXTENT_SIZE); graphics.fillOval(extent.x, extent.y, extent.width, extent.height); Rectangle2D stringBounds = graphics.getStringBounds(String.valueOf(getMarkModel().getID())); graphics.drawString( String.valueOf(getMarkModel().getID()), (int) point.getX(), (int) (point.getY() + stringBounds.getHeight()), ViewportGraphics.ALIGN_MIDDLE, ViewportGraphics.ALIGN_BOTTOM); } }
public void draw(ViewportGraphics g, GraticuleStyle style) { Color old = g.getColor(); g.setColor(style.getFontColor()); g.setFont(font); g.drawString( text, anchor.x, anchor.y, ViewportGraphics.ALIGN_MIDDLE, ViewportGraphics.ALIGN_MIDDLE); // Restore old state g.setColor(old); }
public void draw(MapGraphicContext context) { boolean showLabels = true; Color gridColor = Color.black; Font font = new Font("Times", Font.PLAIN, 8); Envelope bounds = context.getViewportModel().getBounds(); List<Double>[] gridLines = chooseGridLines(bounds); ViewportGraphics graphics = context.getGraphics(); int mapPixelWidth = context.getMapDisplay().getWidth(); int mapPixelHeight = context.getMapDisplay().getHeight(); graphics.setColor(gridColor); List<Double> xCoords = gridLines[0]; List<Double> yCoords = gridLines[1]; // draw vert lines for (int i = 0; i < xCoords.size(); i++) { double x = xCoords.get(i).doubleValue(); for (int j = 0; j < yCoords.size() - 1; j++) { double y1 = yCoords.get(j).doubleValue(); Coordinate lastCoord = new Coordinate(x, y1); double y2 = yCoords.get(j + 1).doubleValue(); Coordinate thisCoord = new Coordinate(x, y2); Point lastPixel = context.worldToPixel(lastCoord); Point thisPixel = context.worldToPixel(thisCoord); graphics.drawLine(lastPixel.x, lastPixel.y, thisPixel.x, thisPixel.y); } } // draw horiz lines for (int i = 0; i < yCoords.size(); i++) { double y = yCoords.get(i).doubleValue(); for (int j = 0; j < xCoords.size() - 1; j++) { double x1 = xCoords.get(j).doubleValue(); Coordinate lastCoord = new Coordinate(x1, y); double x2 = xCoords.get(j + 1).doubleValue(); Coordinate thisCoord = new Coordinate(x2, y); Point lastPixel = context.worldToPixel(lastCoord); Point thisPixel = context.worldToPixel(thisCoord); graphics.drawLine(lastPixel.x, lastPixel.y, thisPixel.x, thisPixel.y); } } // cover the right side and bottom of map with thin strips final int RIGHT_STRIP_WIDTH = (int) (mapPixelWidth * 0.05); final int BOTTOM_STRIP_HEIGHT = (int) (mapPixelHeight * 0.05); final int GRID_LINE_EXTENSION = (int) (RIGHT_STRIP_WIDTH * 0.1); graphics.setColor(Color.white); graphics.setBackground(Color.white); graphics.clearRect(mapPixelWidth - RIGHT_STRIP_WIDTH, 0, RIGHT_STRIP_WIDTH, mapPixelHeight); graphics.clearRect(0, mapPixelHeight - BOTTOM_STRIP_HEIGHT, mapPixelWidth, BOTTOM_STRIP_HEIGHT); // outline the map graphics.setColor(Color.BLACK); graphics.drawRect( 0, 0, mapPixelWidth - RIGHT_STRIP_WIDTH - 1, mapPixelHeight - BOTTOM_STRIP_HEIGHT - 1); // draw labels graphics.setFont(font); if (showLabels) { graphics.setColor(gridColor); for (int i = 1; i < yCoords.size() - 1; i++) { double y = yCoords.get(i).doubleValue(); double x = xCoords.get(xCoords.size() - 1).doubleValue(); Point pixel = context.worldToPixel(new Coordinate(x, y)); // line is covered by white overlay if (pixel.y > mapPixelHeight - BOTTOM_STRIP_HEIGHT) break; graphics.drawString( (int) (y) + "", mapPixelWidth - RIGHT_STRIP_WIDTH + GRID_LINE_EXTENSION, pixel.y, ViewportGraphics.ALIGN_LEFT, ViewportGraphics.ALIGN_MIDDLE); } for (int i = 1; i < xCoords.size() - 1; i++) { double x = xCoords.get(i).doubleValue(); double y = yCoords.get(yCoords.size() - 1).doubleValue(); Point pixel = context.worldToPixel(new Coordinate(x, y)); // line is covered by white overlay if (pixel.x > mapPixelWidth - RIGHT_STRIP_WIDTH) break; graphics.drawString( (int) (x) + "", pixel.x, mapPixelHeight - BOTTOM_STRIP_HEIGHT + GRID_LINE_EXTENSION, ViewportGraphics.ALIGN_MIDDLE, ViewportGraphics.ALIGN_TOP); } } // showlabels }
/** * Draws grid similarly to the "world" version, but with some changes: - Center the grid on the * screen - label the grid lines in CRS units - outline the grid * * @param context * @param showLabels is true, the bottom and right edges of the map are covered with white strips, * and labels for the grid lines are placed in the white strips. */ private void drawGrid(MapGraphicContext context, boolean showLabels) { GridStyle style = getStyle(context.getLayer()); double[] gridSize = style.getGridSize(); try { MathTransform mt = CRS.findMathTransform(DefaultGeographicCRS.WGS84, context.getCRS(), true); if (!mt.isIdentity()) { double x = gridSize[0] / 2.0; double y = gridSize[1] / 2.0; double[] toTransform = new double[] {-x, -y, x, y}; double[] dest = new double[4]; mt.transform(toTransform, 0, dest, 0, 2); gridSize = new double[] {Math.abs(dest[2] - dest[0]), Math.abs(dest[3] - dest[1])}; } } catch (Exception e) { MapGraphicPlugin.log("", e); // $NON-NLS-1$ } Envelope bounds = context.getViewportModel().getBounds(); Coordinate centerCoord = bounds.centre(); gridSize = style.getGridSize(); Coordinate topLeftCenterCoord = new Coordinate(centerCoord.x - gridSize[0] / 2, centerCoord.y + gridSize[1] / 2); Coordinate topLeftMostCoord = new Coordinate(topLeftCenterCoord); while (topLeftMostCoord.x - gridSize[0] > bounds.getMinX()) { topLeftMostCoord.x -= gridSize[0]; } while (topLeftMostCoord.y + gridSize[1] < bounds.getMaxY()) { topLeftMostCoord.y += gridSize[1]; } Coordinate coord = topLeftMostCoord; ViewportGraphics graphics = context.getGraphics(); int mapPixelWidth = context.getMapDisplay().getWidth(); int mapPixelHeight = context.getMapDisplay().getHeight(); // cover the right side and bottom of map with thin strips final int RIGHT_STRIP_WIDTH = (int) (mapPixelWidth * 0.05); final int BOTTOM_STRIP_HEIGHT = (int) (mapPixelHeight * 0.03); final int GRID_LINE_EXTENSION = (int) (RIGHT_STRIP_WIDTH * 0.1); graphics.setColor(Color.white); graphics.fillRect(mapPixelWidth - RIGHT_STRIP_WIDTH, 0, RIGHT_STRIP_WIDTH, mapPixelHeight); graphics.fillRect(0, mapPixelHeight - BOTTOM_STRIP_HEIGHT, mapPixelWidth, BOTTOM_STRIP_HEIGHT); // draw grid lines graphics.setColor(style.getColor()); Point pixel = null; while (true) { pixel = context.worldToPixel(coord); coord.x += gridSize[0]; coord.y -= gridSize[1]; Point next = context.worldToPixel(coord); if (next.x - pixel.x < 2 || next.y - pixel.y < 2) { context.getLayer().setStatus(ILayer.WARNING); context.getLayer().setStatusMessage(Messages.GridMapGraphic_grids_too_close); break; } if ((pixel.x >= mapPixelWidth && pixel.y >= mapPixelHeight)) break; // draw vertical lines and labels if (pixel.x < mapPixelWidth) graphics.drawLine( pixel.x, 0, pixel.x, mapPixelHeight - BOTTOM_STRIP_HEIGHT + GRID_LINE_EXTENSION); if (showLabels) { graphics.drawString( (int) (coord.y) + "", pixel.x, mapPixelHeight - BOTTOM_STRIP_HEIGHT + GRID_LINE_EXTENSION, ViewportGraphics.ALIGN_MIDDLE, ViewportGraphics.ALIGN_TOP); } // draw horizontal lines and labels if (pixel.y < mapPixelHeight) graphics.drawLine( 0, pixel.y, mapPixelWidth - RIGHT_STRIP_WIDTH + GRID_LINE_EXTENSION, pixel.y); if (showLabels) { graphics.drawString( (int) (coord.x) + "", mapPixelWidth - RIGHT_STRIP_WIDTH + GRID_LINE_EXTENSION, pixel.y, ViewportGraphics.ALIGN_LEFT, ViewportGraphics.ALIGN_MIDDLE); } pixel = next; } // outline the map graphics.drawRect( 0, 0, mapPixelWidth - RIGHT_STRIP_WIDTH, mapPixelHeight - BOTTOM_STRIP_HEIGHT); }