jfig.canvas
Class EditorCanvas

java.lang.Object
  java.awt.Component
      java.awt.Canvas
          jfig.canvas.FigBasicCanvas
              jfig.canvas.EditorCanvas

All Implemented Interfaces:

javax.accessibility.Accessible, java.util.EventListener, FigCanvas, FullRedraw, java.awt.image.ImageObserver, java.awt.MenuContainer, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, ObjectPainter, java.io.Serializable, SyncPainter

public class EditorCanvas

extends FigBasicCanvas

drawing canvas for jfig.gui.ModularEditor, the jfig editor.

EditorCanvas provides the main drawing canvas for the jfig editor. It is realized as a simple subclass of FigCanvas, with some additional methods for zooming.

See Also:

FigCanvas, Serialized Form

Nested Class Summary

Nested classes inherited from class jfig.canvas.FigBasicCanvas

FigBasicCanvas.Options2D

Nested classes inherited from class java.awt.Canvas

java.awt.Canvas.AccessibleAWTCanvas

Nested classes inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy

Field Summary

Fields inherited from class jfig.canvas.FigBasicCanvas

backgroundColor, BASE_ANCHOR_X, BASE_ANCHOR_Y, canvasListener, cur_height, cur_width, cur_x, cur_y, debug, defaultColor, defaultCursor, enableRulerDragging, enableTimingInfo, gridColor, gridGR, gridMode, gridVisible, hasRulers, helper, mouse_drag_x, mouse_drag_y, n_grid, n_redraws, n_trials_to_create_offscreenImage, n_updates, objectEnumerator, objectGR, offscreenGR, offscreenImage, old_x, old_y, pdbg, printer, ptmp, redrawMode, rubberband, RULER_XL_OFFSET, RULER_XR_OFFSET, RULER_YB_OFFSET, RULER_YT_OFFSET, rulerFont, t_delay, t_grid, t_grid_mean, t_redraw, t_redraw_mean, theObserver, tmp_sc, tmp_wc, trafo, waitCursor, zoomListenerVector

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface jfig.canvas.FigCanvas

FullRedraw, MouseMotionRedraw, NoChanges, ObjectRedraw, panDOWN, panHOME, panLEFT, panRIGHT, panUP, SyncRedraw, SystemRedraw, TmpObjectRedraw, TmpTextRedraw

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

EditorCanvas()
EditorCanvas

Method Summary

void	doZoomIn14() zoom in by a factor of sqrt(two).
void	doZoomOut07()
void	doZoomRegion(FigBbox bbox)

Methods inherited from class jfig.canvas.FigBasicCanvas

addCanvasListener, addZoomListener, blitOffscreenBuffer, blitOffscreenBufferClipped, canvasSizeChanged, changeRubberbandMode, changeRubberbandMode, changeRubberbandMode, clearBuffer, clippedDrawTmpObject, doFullRedraw_deadlocks, doFullRedraw, doFullRedraw, doMotionRedraw, doObjectRedraw, doPanning, doSimpleRedraw, doSyncRedraw, doSystemRedraw, doTextRedraw, doToggleRubberbandDebug, doZoom11, doZoomFit, doZoomFull, doZoomIn, doZoomOut, doZoomRegion, drawAllObjects, drawGrid, drawGridByHand, drawGridViaCopyArea, drawObject, drawRulers, drawSliders, drawSlidersAndCursor, drawSlidersOnce, drawTmpObjects, drawTriangles, eraseObject, err, flush, get_current_canvas_size, getBackground, getComponent, getCurrentCanvasSize, getDebug, getGridColor, getMousePosition, getObjectEnumerator, getOffscreenGraphics, getOptions2D, getRedrawMode, getTrafo, getViewportWCmax, getVisibleRegionBoundingBox_OLD, getVisibleRegionBoundingBox, gotFocus, handleRedraw, initializeOffscreenBuffers, isDoubleBuffered, main, mouseClicked, mouseDragged, mouseEntered, mouseExited, mouseMoved, mousePressed, mouseReleased, msg, notifyZoomListeners, paint, paint, paint, print, printAll, printTimingStats, removeZoomListener, repaint, repaint, repaint, repaint, requestAntiAliasing, requestRenderQuality, setBackground, setConsole, setDebug, setDefaultCursor, setEnableRulerDragging, setGrid, setGridColor, setObjectEnumerator, setRubberbandAspect, setRubberbandBasePoint, setRubberbandBasePoint, setRubberbandBasePoint2, setRubberbandBasePoint2, setRubberbandShowLineLengths, setRulerOffsets, setStatusMessage, setTrafo, showRulers, statusMessage, synchronousRepaint, update

Methods inherited from class java.awt.Canvas

addNotify, createBufferStrategy, createBufferStrategy, getAccessibleContext, getBufferStrategy

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, deliverEvent, disable, disableEvents, dispatchEvent, doLayout, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, getAlignmentX, getAlignmentY, getBounds, getBounds, getColorModel, getComponentAt, getComponentAt, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeys, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getListeners, getLocale, getLocation, getLocation, getLocationOnScreen, getMaximumSize, getMinimumSize, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getPreferredSize, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, invalidate, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusCycleRoot, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isOpaque, isShowing, isValid, isVisible, keyDown, keyUp, layout, list, list, list, list, list, locate, location, lostFocus, minimumSize, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, paramString, postEvent, preferredSize, prepareImage, prepareImage, processComponentEvent, processEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, repaint, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, reshape, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeys, setFocusTraversalKeysEnabled, setFont, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle, validate

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface jfig.canvas.FigCanvas

getCursor, getSize, setCursor

Constructor Detail

EditorCanvas

public EditorCanvas()

EditorCanvas

The default viewer canvas doesn't use neither a grid nor snapping.

Method Detail

doZoomIn14

public void doZoomIn14()

zoom in by a factor of sqrt(two). Fixed point is the viewport center.

doZoomOut07

public void doZoomOut07()

doZoomRegion

public void doZoomRegion(FigBbox bbox)