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authorGraydon Hoare <graydon@redhat.com>2004-09-02 05:10:34 +0000
committerGraydon Hoare <graydon@redhat.com>2004-09-02 05:10:34 +0000
commita1f466080ceff18c1e6ef6652d7f6a302be27455 (patch)
treea420c1005dbef38d790847b62b0d57eb9bc758cb /libjava/java/awt/geom/CubicCurve2D.java
parenta69a99bb7e2cfb4e68b181f39ff975d9eb938d46 (diff)
2004-08-31 Michael Koch <konqueror@gmx.de>
* javax/swing/plaf/basic/BasicTextAreaUI.java (create): New method. * javax/swing/text/DefaultHighlighter.java (DefaultHighlightPainter.debugRect): Removed. * javax/swing/text/StyleContext.java (DEFAULT_STYLE): New field. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/plaf/basic/BasicLookAndFeel.java (initComponentDefaults): Add keybindings for selection.backward and selection-forward for text components. * javax/swing/plaf/basic/BasicTextUI.java (paintSafely): Paint highlight only when something is actually selected. * javax/swing/text/DefaultCaret.java (handleHighlight): New method. (setSelectionVisible): Don't do anything when nothing changes. Handle highlight. (moveDot): Reimplemented. Handle highlight. (setDot): Set mark too. Handle highlight. (getSelectionPainter): New method. * javax/swing/text/DefaultEditorKit.java (defaultActions): Added new actions for text selection. * javax/swing/text/DefaultHighlighter.java (DefaultHighlightPainter): New inner class. (DefaultPainter): New field. (paint): Implemented. * javax/swing/text/PlainView.java (paint): Don't draw background here again. * javax/swing/text/Utilities.java (getTabbedTextWidth): Use width of ' ' instead of 'm' for tabsize. (drawTabbedText): Likewise. 2004-08-31 Graydon Hoare <graydon@redhat.com> * javax/swing/JComponent.java (resetKeyboardActions): Add null checks. 2004-08-31 Graydon Hoare <graydon@redhat.com> * javax/swing/DefaultButtonModel.java: Skip group notification when no group is set. 2004-08-31 Graydon Hoare <graydon@redhat.com> * javax/swing/JColorChooser.java: Make a couple inner classes static, for jikes. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/plaf/basic/BasicTextUI.java (RottView.modelToView): New method. (UpdateHandler): Renamed from EventHandler. (updateHandler): Renamed from eventHandler. (modelToView): Implemented. * javax/swing/text/AbstractDocument.java (BranchElement.getElement): Return null for non-existing indeces. (BranchElement.getElementIndex): Return 0 in some corner cases. * javax/swing/text/FieldView.java (modelToView): New method. * javax/swing/text/PlainView.java (modelToView): Made public. 2004-08-31 Kim Ho <kho@redhat.com> * Makefile.am: New files. * Makefile.in: Regenerate. * gcj/Makefile.in: Regenerate. * include/Makefile.in: Regenerate. * java/awt/Color.java: Fix documentation. (RGBtoHSB): Use floats for conversions. * javax/swing/ButtonGroup.java: Run Jalopy. (setSelected): Reimplement. * javax/swing/DefaultButtonModel.java: Run Jalopy. (changeState): Let ButtonGroup know that the button is changing state. * javax/swing/JColorChooser.java: Implement. * javax/swing/JLabel.java: Run Jalopy. * javax/swing/JSpinner.java: Run Jalopy. (setValue): New method. * javax/swing/JTabbedPane.java: Run Jalopy. (removeTabAt): Call correct remove method. * javax/swing/SpinnerNumberModel.java: Run Jalopy. (getPreviousValue): Compare minimum value. * javax/swing/Timer.java: Run Jalopy. (run): Comment out println. * javax/swing/ToolTipManager.java: (mouseMoved): Get new tooltip text for location. * javax/swing/colorchooser/AbstractColorChooserPanel.java: Jalopy and Javadoc. * javax/swing/colorchooser/ColorChooserComponentFactory.java: Implement. * javax/swing/colorchooser/DefaultColorSelectionModel.java: Run Jalopy. (setSelectedColor): Fire ChangeEvent. * javax/swing/colorchooser/DefaultHSBChooserPanel.java: New file. Implement. * javax/swing/colorchooser/DefaultPreviewPanel.java: Ditto. * javax/swing/colorchooser/DefaultRGBChooserPanel.java: Ditto. * javax/swing/colorchooser/DefaultSwatchChooserPanel.java: Ditto. * javax/swing/plaf/basic/BasicArrowButton.java: (getArrow): Fix size of upward pointing button. * javax/swing/plaf/basic/BasicColorChooserUI.java: Implement. * javax/swing/plaf/basic/BasicSliderUI.java: (getWidthOfWidestLabel): Use preferred dimensions. (getHeightOfTallestLabel): Ditto. * javax/swing/plaf/basic/BasicSpinnerUI.java: Run Jalopy. (mousePressed): Disable changes to spinner if it is not enabled. * testsuite/Makefile.in: Regenerate. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/plaf/basic/BasicTableHeaderUI.java, javax/swing/plaf/basic/BasicTableUI.java: Added copyright notice. 2004-08-31 Olga Rodimina <rodimina@redhat.com> * Makefile.am: Added new files. * Makefile.in: Regenerate. * javax/swing/ComboBoxEditor.java: Added javadocs. * javax/swing/ComboBoxModel.java: Likewise. * javax/swing/DefaultComboBoxModel.java: Implemented. * javax/swing/DefaultListCellRenderer.java: Added javadocs and ran through jalopy to fix formatting style. (getListCellRendererComponent): Use appropriate border if renderer has focus and use noFocusBorder when it doesn't. * javax/swing/JComboBox.java: Implemented. * javax/swing/JList.java: (locationToIndex): New Method. Implemented. (indexToLocation): New Method. * javax/swing/JPopupMenu.java: (visible): New field. (isVisible): Changed to use new field above. (setVisible): Likewise. * javax/swing/MutableComboBoxModel.java: Added javadocs. * javax/swing/plaf/basic/BasicArrowButton.java: (shadow): Changed default color to Color.gray. * javax/swing/plaf/basic/BasicComboBoxUI.java: New File. UI delegate for JComboBox. * javax/swing/plaf/basic/BasicComboPopup.java: New File. Popup menu containing list of JComboBox's items. * javax/swing/plaf/basic/BasicComboBoxEditor.java: New File. * javax/swing/plaf/basic/BasicComboBoxRenderer.java: New File. * javax/swing/plaf/basic/BasicComboBoxUI.java: New File. * javax/swing/plaf/basic/BasicComboPopup.java: New File. * javax/swing/plaf/basic/BasicPopupMenuUI.java: (popupMenuWillBecomeVisible): Set selected path to the first element only if it is of type MenuElement. Also fix formatting style. * javax/swing/plaf/basic/ComboPopup.java: Added javadocs and missing methods signatures. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/text/AbstractDocument.java (createBranchElement): Use new constructor of BranchElement. (createLeafElement): Renamed arguments. (getRootElements): Implemented. (BranchElement.start): Removed. (BranchElement.end): Likewise. (BranchElement.BranchElement): Fixed arguments. (BranchElement.getEndOffset): Reimplemented. (BranchElement.getStartOffset): Likewis. * javax/swing/text/DefaultCaret.java (paint): Draw simple vertical line as caret instead of a rectangle. * javax/swing/text/JTextComponent.java (setText): Use doc directly. * javax/swing/text/PlainView.java (nextTabStop): Implemented. * javax/swing/text/Utilities.java (drawTabbedText): nextTabStop() returns an absolute x position. (getTabbedTextWidth): Likewise. 2004-08-31 Graydon Hoare <graydon@redhat.com> * java/awt/Component.java (isFocusTraversable): Predicate on isLightweight() (setFocusable): Set isFocusTraversableOverridden. (requestFocus): Predicate peer dispatch on !isLightweight() (requestFocusInWindow): Likewise. (dispatchEventImpl): Coordinate with KeyboardFocusManager. * java/awt/Container.java (dispatchEventImpl): Predicate on event mask. (LightweightDispatcher): Remove focus machinery. * java/awt/DefaultFocusTraversalPolicy.java (accept): Expand predicate to include isFocusable(). * java/awt/DefaultKeyboardFocusManager.java: Globally change c.dispatchEvent(e) to redispatchEvent(c,e) * java/awt/KeyboardFocusManager.java (redispatchEvent): Synchronize on event to prevent feedback. * javax/swing/AbstractButton.java (ButtonFocusListener): Remove class. (init): Set focusPainted, focusable. * javax/swing/ActionMap.java (get): Check parent for null. * javax/swing/InputMap.java (get): Likewise. * javax/swing/JComponent.java (inputMap_whenFocused): New InputMap. (inputMap_whenAncestorOfFocused): Likewise. (inputMap_whenInFocusedWindow): Likewise. (getActionForKeyStroke): Rewrite. (getConditionForKeystroke): Likewise. (ActionListenerProxy): New private class. (setInputMap): Implement. (getInputMap): Likewise. (setActionMap): Likewise. (getActionMap): Likewise. (processComponentKeyEvent): New empty method. (processKeyEvent): Implement. (processKeyBinding): Likewise. (resetKeyboardActions): Rewrite. * javax/swing/KeyStroke.java: Rewrite. * javax/swing/SwingUtilities.java (notifyAction): Implement. (replaceUIActionMap): Likewise. (replaceUIInputMap): Likewise. * javax/swing/plaf/basic/BasicButtonListener.java (focusGained): Implement. (focusLost): Repaint if focusPainted(). (installKeyboardActions): Install pressed / released actions. (uninstallKeyboardActions): Implement. * javax/swing/plaf/basic/BasicButtonUI.java (focusColor): New field. (installDefaults): Load focus color, install input map. (installKeyboardActions): Implement. (uninstallKeyboardActions): Likewise. (paintFocus): Rewrite. * javax/swing/plaf/basic/BasicLookAndFeel.java (Button.focus): New default, midPurple. * javax/swing/plaf/basic/BasicTextUI.java (kit): Make static. (installUI): Get doc from kit, load defaults. (getKeymapName): Implement. (createKeymap): Likewise. (installKeyboardActions): Likewise. (getInputMap): Likewise. (getActionMap): Likewise. (createActionMap): Likewise. * javax/swing/text/AbstractDocument.java (getStartPosition): Implement. (getEndPosition): Likewise. * javax/swing/text/DefaultEditorKit.java (CopyAction): New class. (CutAction): Likewise. (DefaultKeyTypedAction): Likewise. (InsertBreakAction): Likewise. (InsertContentAction): Likewise. (InsertTabAction): Likewise. (PasteAction): Likewise. (defaultActions): New static table. (createCaret): Implement. (getActions): Likewise. * javax/swing/text/JTextComponent.java (KeymapWrapper): New private class. (KeymapActionMap): Likewise. (DefaultKeymap): New class. (keymaps): New static table. (keymap): New field. (getKeymap): Implement. (removeKeymap): Likewise. (addKeymap): Likewise. (setKeymap): Likewise. (loadKeymap): Likewise. (getActions): Likewise. (margin): New field. (JTextComponent): Build and install default keymap. * javax/swing/text/TextAction.java (textAction): Call super properly. (getTextComponent): Implement. * javax/swing/text/Utilities.java (drawTabbedText): Adjust position by ascent. 2004-08-31 David Jee <djee@redhat.com> PR AWT/17156 * gnu/java/awt/peer/gtk/GtkMenuItemPeer.java (setEnabled): Make it a native method. * java/awt/DefaultKeyboardFocusManager.java (postProcessKeyEvent): Only post event if the menu item is active. * java/awt/MenuItem.java: Private field 'enabled' should be true by default. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkMenuItemPeer.c (setEnabled): New function. 2004-08-31 David Jee <djee@redhat.com> PR AWT/17059 * gnu/java/awt/peer/gtk/GtkMenuBarPeer.java (nativeSetHelpMenu): New native method declaration. (addHelpMenu): Call nativeSetHelpMenu(). (addMenu): Remove. * java/awt/MenuBar.java (setHelpMenu): Call addNotify() on the new help menu. (add): Call addNotify() on the new menu. (addNotify): Set the help menu if one exists. * java/awt/peer/MenuBarPeer.java (addMenu): Remove. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkMenuBarPeer.c (nativeSetHelpMenu): New method. 2004-08-31 Graydon Hoare <graydon@redhat.com> * Makefile.am: Add new files. * Makefile.in: Regenerate. * javax/swing/Box.java: Fix setting of layout in ctor. * javax/swing/JScrollPane.java: Scroll headers as well. * javax/swing/JTable.java: Reimplement. * javax/swing/JViewPort.java: Only add non-null children. * javax/swing/ScrollPaneLayout.java: Correct header calculations. * javax/swing/Timer.java: Fix stopping null waker. * javax/swing/plaf/basic/BasicTableHeaderUI.java: New file. * javax/swing/plaf/basic/BasicTableUI.java: New file. * javax/swing/table/DefaultTableCellRenderer.java: Configure. * javax/swing/table/DefaultTableColumnModel.java: Flesh out. * javax/swing/table/DefaultTableModel.java: Clean up. * javax/swing/table/JTableHeader.java: Implement. 2004-08-31 Mark Wielaard <mark@klomp.org> * javax/swing/JSpinner.java (getChangeListeners): Remove double semi-colon. 2004-08-31 Mark Wielaard <mark@klomp.org> * jni/gtk-peer/gnu_java_awt_peer_gtk_GdkClasspathFontPeerMetrics.c: Declare variables at top of functions/block. * jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGraphics2D.c: Likewise. 2004-08-31 Mark Wielaard <mark@klomp.org> * java/lang/Rectangle.java (intersects): Check r.width and r.height first. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/text/PlainView.java (selectedColor): New field. (unselectedColor): Likewise. (font): Likewise. (updateMetrics): New method. (lineToRect): Likewise. (modelToView): Likewise. (drawSelectedText): Use color from JTextComponent ad draw with Utilities class. (drawUnselectedText): Likewise. (paint): Initialize helper fields. * javax/swing/text/View.java (getChildAllocation): New method. (getViewIndex): Likewise. (getToolTipText): Likewise. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/text/Utilities.java (drawTabbedText): Reimplemented. (getTabbedTextWidth): Likewise. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/plaf/basic/BasicTextUI.java (installDefaults): Install caret and highlighter. (modelToView): Use Bias.Forward when calling sibling. * javax/swing/text/AbstractDocument.java (ElementEdit): Implements DocumentEvent.ElementChange. (ElementEdit.ElementEdit): New method. (ElementEdit.getChildrenAdded): Likewise. (ElementEdit.getChildrenRemoved): Likewise. (ElementEdit.getElement): Likewise. (ElementEdit.getIndex): Likewise. * javax/swing/text/DefaultCaret.java (color): Removed. (textComponent): Renamed from parent, made private. (selectionVisible): Renamed from vis_sel, made private. (blinkRate): Renamed from blink, made private. (magicCaretPosition): Renamed from magic, made private. (visible): Renamed from vis, made private. (dot): Made private. (mark): Likewise. (deinstall): Remove as MouseMotionListener. (install): Initialize textComponent first. Add as MouseMotionListener. (paint): Reimplemented. * javax/swing/text/JTextComponent.java (setCaret): Deinstall old caret, install new one and fire property change after setting property. (setHighlighter): Deinstall old highlighter, install new one and fire property change after setting property. (setCaretColor): Fire property change after setting property. (setDisabledTextColor): Likewise. (setSelectedTextColor): Likewise. (setSelectionColor): Likewise. (modelToView): New method. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/text/AbstractDocument.java (getText): Simplified. * javax/swing/text/Segment.java (current): New field. (current): Reimplemented. (first): Likewise. (getIndex): Likewise. (last): Likewise. (next): Likewise. (previous): Likewise. (setIndex): Likewise. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/plaf/basic/BasicButtonUI.java (defaultTextIconGap): Made protected. (defaultTextShiftOffset): Likewise. (textShiftOffset): New field. (clearTextShiftOffset): New method. (getTextShiftOffset): Likewise. (setTextShiftOffset): Likewise. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/plaf/basic/BasicTextUI.java (installUI): Add eventHandler as property listener. (uninstallUI): remove eventHandler as propert listener. (installDefaults): Added comment. (installListeners): Likewise. (installKeyboardActions): Likewise. (uninstallDefaults): Likewise. (uninstallListeners): Likewise. (uninstallKeyboardActions): Likewise. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/text/AbstractDocument.java: Fixed some typos in comments. (insertString): Reimplemented. (remove): Likewise. (replace): New method. (children): Dont use fully qualified class name. (DefaultDocumentEvent.offset): Renamed from off. (DefaultDocumentEvent.length): Renamed from len. (DefaultDocumentEvent.type): New field. (DefaultDocumentEvent.DefaultDocumentEvent): New constructor. (DefaultDocumentEvent.getType): Implemented. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/plaf/basic/BasicTextUI.java (RootView.textComponent): Removed. (RootView.RootView): Don't initialize textComponent. (RootView.getViewFactory): New method. (EventHandler): New inner class. (rootView): Initialize at instance creation. (eventHandler): New field. (installUI): Don't create view hierarchy directly, call modelChanged() instead. (modelChanged): New method. * javax/swing/text/JTextComponent.java (setDocument): Fire property change event. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/plaf/basic/BasicTextUI.java (RootView.paint): Removed debug output. (paintSafely): Draw highlighter before text. (paintBackground): Use background color of text component. * javax/swing/plaf/basic/BasicToggleButtonUI.java: Reformatted. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/plaf/basic/BasicToolBarUI.java (BasicToolBarUI): Fixed arguments for constructor. (createUI): Fixed creation of object. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/DefaultListSelectionModel.java (fireValueChanged): Renamed from fireSelectionValueChanged, made protected. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/text/TabSet.java (TabSet): Implements java.io.Serializable. * javax/swing/text/TabStop.java (TabStop): Implements java.io.Serializable. (TabStop): Made public. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/JComponent.java (setUI): Fire PropertyChange. * javax/swing/JLabel.java (text): Renamed from labelText. (horizontalAlignment): New default vlaue. (icon): Renamed from activeIcon. (displayedMnemonic): Renamed from mnemonicKey, added default value. (displayedMnemonicIndex): Renamed from underlineChar. (setDisplayedMnemonic): Reimplemented. * javax/swing/JRadioButton.java (JRadioButton): New constructors. * javax/swing/JTextField.java (JTextField): Throw exception if colums < 0, initialitialz this.columns directly and initialize document with text conditionally. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/plaf/basic/BasicFormattedTextFieldUI.java, javax/swing/plaf/basic/BasicPasswordFieldUI.java, javax/swing/plaf/basic/BasicTextAreaUI.java: New files. * javax/swing/text/FieldView.java (paint): Just call super method for now. * Makefile.am: Added new files. * Makefile.in: Regenerated. 2004-08-31 Ka-Hing Cheung <kahing@javabsp.org> * javax/swing/AbstractSpinnerModel.java, javax/swing/JSpinner.java, javax/swing/SpinnerNumberModel.java, javax/swing/plaf/basic/BasicSpinnerUI.java: New files. * javax/swing/plaf/basic/BasicLookAndFeel.java (initClassDefaults): Added defaults for BasicSpinnerUI. 2004-08-31 Michael Koch <konqueror@gmx.de> * Makefile.am: Added new files. * Makefile.in: Regenerated. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/TransferHandler.java, javax/swing/plaf/basic/ComboPopup.java: New files * Makefile.am: Added javax/swing/TransferHandler.java and javax/swing/plaf/basic/ComboPopup.java * Makefile.in: Regenerated. 2004-08-31 Roman Kennke <roman@ontographics.com> * javax/swing/text/Utilities.java: New file. 2004-08-31 Michael Koch <konqueror@gmx.de> * Makefile.am: Added javax/swing/text/Utilities.java. * Makefile.in: Regenerated. 2004-08-31 Graydon Hoare <graydon@redhat.com> * javax/swing/text/SimpleAttributeSet.java: New file. * javax/swing/text/StyleConstants.java: New file. * javax/swing/text/StyleContext.java: New file. * javax/swing/text/TabSet.java: New file. * javax/swing/text/TabStop.java: New file. * javax/swing/text/AbstactDocument.java: (AbstractElement): Implement attribute support. * javax/swing/text/AttributeSet.java (NameAttribute): New static field. (ResolveAttribute): New static field. * Makefile.am: Update for new files. * Makefile.in: Regenerate. 2004-08-31 Craig Black <craig.black@aonix.com> * gnu/java/awt/peer/gtk/GdkGraphics.java (drawImage): Add support for scaling pixmaps. * jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGraphics.c (copyAndScalePixmap): New native method. 2004-08-31 Thomas Fitzsimmons <fitzsim@redhat.com> PR AWT/16121 * jni/gtk-peer/gthread-jni.c: Include stdio.h. Eliminate type-punning compiler warnings using unions. (throw): Replace bzero with memset. 2004-08-31 Andreas Tobler <a.tobler@schweiz.ch> Thomas Fitzsimmons <fitzsim@redhat.com> * jni/gtk-peer/gnu_java_awt_peer_gtk_GdkPixbufDecoder.c: Move NSA_PB macros to gtkpeer.h. Include gtkpeer.h. * jni/gtk-peer/gtkpeer.h: Move NSA_PB macros here. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkWindowPeer.c (nativeSetIconImageFromDecoder): Use NSA_GET_PB_PTR macro. 2004-08-31 Mark Wielaard <mark@klomp.org> * native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkPixbufDecoder.c: #include gdk.h, not gtk.h. #include jni.h, native_state.h, string.h and stdlib.h, not gtkpeer.h. (*vm): New static variable. (areaPreparedID): Make static. (areaUpdatedID): Likewise. (area_prepared): Get and use JNIEnv through stored JavaVM *vm. (area_prepared): Likewise. (area_updated): Likewise. (closed): Likewise. (initStaticState): Initialize *vm javaVM. (pumpBytes): Use given env, not global gdk_env. 2004-08-31 Mark Wielaard <mark@klomp.org> * java/awt/geom/CubicCurve2D.java (solveCubic): Removed duplicate comments. 2004-08-31 Sven de Marothy <sven@physto.se> * java/awt/geom/CubicCurve2D.java: Reindent. (contains): Implemented. (intersects): Implemented. * java/awt/geom/QuadCurve2D.java: Likewise. * java/awt/geom/GeneralPath.java: Reindent and document. Fully (re)implemented using separate xpoints and ypoints float[] coords. * java/awt/geom/RoundRectangle2D.java: Several bugfixes (Bug #6007). 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/JMenuItem.java (getMenuDragMouseListeners): New method. (getMenuKeyListeners): Likewise. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/AbstractButton.java (model): Made protected. (actionListener): Likewise. (changeListener): Likewise. (itemListener): Likewise. (multiClickThreshhold): New field. (getActionListeners): New method. (getChangeListeners): Likewise. (getItemListeners): Likewise. (fireItemStateChanged): Simplified implementation. (fireActionPerformed): Likewise. (fireStateChanged): Likewise. (getMultiClickThreshhold): New method. (setMultiClickThreshhold): Likewise. 2004-08-31 Tom Tromey <tromey@redhat.com> * java/awt/image/Kernel.java (clone): Use super.clone(). 2004-08-31 David Jee <djee@redhat.com> PR AWT/16682 * gnu/java/awt/peer/gtk/GtkFramePeer.java (nativeSetIconImage): Rename to nativeSetIconImageFromDecoder. (nativeSetIconImageFromData): New native method declaration. (setIconImage): Handle images not produced from GdkPixbufDecoder. * gnu/java/awt/peer/gtk/GtkImage.java (getPixelCache): New method. (getColorModel): New method. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkWindowPeer.c (nativeSetIconImage): Rename to nativeSetIconImageFromDecoder. (free_pixbuf_data): New helper function. (nativeSetIconImageFromData): New function. 2004-08-31 Graydon Hoare <graydon@redhat.com> PR SWING/16576 * javax/swing/JLayeredPane.java (setLayer): Permit changing layer after addition. (setPosition): Permit over-length positions. (layerToRange): Compare intValue()s. * javax/swing/Box.java (createHorizontalBox): Implement. (createRigidArea): Likewise. (createVerticalBox): Likewise. 2004-08-31 Kim Ho <kho@redhat.com> * java/awt/Component.java: (processMouseEvent): Consume event after listeners process it. (processMouseMotionEvent): ditto. (processMouseWheelEvent): ditto. * java/awt/Container.java: (acquireComponentForMouseEvent): Do not dispatch to events that have been removed from the Container. (handleEvent): Consume the MouseEvents. * javax/swing/RepaintManager.java: (paintDirtyRegions): Do not add to list of damaged areas if the component has no root. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/plaf/basic/BasicMenuItemUI.java: Clean ip imports. 2004-08-31 Mark Wielaard <mark@klomp.org> * gnu/java/awt/peer/gtk/GtkToolkit.java (getFontPeer): Don't return null when a MissingResourceException is thrown. Should never happen. 2004-08-31 Mark Wielaard <mark@klomp.org> * java/awt/EventQueue.java (postEvent): Throw NullPointerException when argument is null. 2004-08-31 Mark Wielaard <mark@klomp.org> * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkComponentPeer.c (Java_gnu_java_awt_peer_gtk_GtkComponentPeer_addExposeFilter): Define hid at start of function. (Java_gnu_java_awt_peer_gtk_GtkComponentPeer_removeExposeFilter): Likewise. 2004-08-31 Mark Wielaard <mark@klomp.org> * gnu/java/awt/EmbeddedWindow.java: Reindent. * javax/swing/JButton.java: Reindent. * javax/swing/JCheckBox.java: Reindent. 2004-08-31 Mark Wielaard <mark@klomp.org> * Makefile.am (gtk_c_source_files): Added jni/gtk-peer/gnu_java_awt_peer_gtk_GThreadNativeMethodRunner.c. (gtk_awt_peer_sources): Added gnu/java/awt/peer/gtk/GThreadMutex.java and gnu/java/awt/peer/gtk/GThreadNativeMethodRunner.java. * Makefile.in: Regenerated. 2004-08-31 Archie Cobbs <archie@dellroad.org> * jni/gtk-peer/gthread-jni.c: don't #include nonexistent files 2004-08-31 Steven Augart <augart@watson.ibm.com> * jni/gtk-peer/gthread-jni.c (c-font-lock-extra-types): Added jfieldID, jmethodID. 2004-08-31 Mark Wielaard <mark@klomp.org> * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkMainThread.c (Java_gnu_java_awt_peer_gtk_GtkMainThread_gtkInit): Initialize gdk_env before calling any gdk or gtk function. * gnu/java/awt/peer/gtk/GtkMainThread.java (gtkInitCalled): New field. (GtkMainThread): Call wait() in while loop waiting for gtkInitCalled. (run): Set gtkInitCalled. 2004-08-31 Steven Augart <augart@watson.ibm.com> * gnu/java/awt/peer/gtk/GtkMainThread.java (run): Pass the value of the gnu.classpath.awt.gtk.portable.native.sync system property to C. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkMainThread.c (Java_gnu_java_awt_peer_gtk_GtkMainThread_gtkInit): New argument, portableNativeSync. Delegate PORTABLE_NATIVE_SYNC work to init_glib_threads. (init_glib_threads): New function. 2004-08-31 Mark Wielaard <mark@klomp.org> * jni/gtk-peer/gthread-jni.c: Define MIN_, MAX_ and NORM_ PRIORITY when not already defined in header file. 2004-08-31 Mark Wielaard <mark@klomp.org> * jni/gtk-peer/gthread-jni.c (setup_cache): Call ExceptionOccurred, not ExceptionCheck, when we don't have JNI 1.2. 2004-08-31 Steven Augart <augart@watson.ibm.com> * gnu/native/jni/gtk-peer/gthread-jni.c: Indentation fixes. Implemented missing functions for GTK2. Added error handling. Renamed static functions out of the g_ namespace. Added TRACE_API_CALLS, EXPLAIN_TROUBLE, EXPLAIN_BROKEN, EXPLAIN_BADLY_BROKEN, and DELETE_LOCAL_REFS options. Rewrote global-reference code. Eliminated cascading errors. (mutex_trylock_jni_impl) Fully implemented. (cond_timed_wait_jni_impl) Went from millisecond to microsecond resolution. (setup_cache) New function. (mutex_cond_wait_jni_impl, mutex_cond_timed_wait_jni_impl) Fixed bug where they were not unlocking the GMutex associated with the condition variable during the wait on that condition variable. * native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkMainThread.c, native/jni/gtk-peer/gthread-jni.c, native/jni/gtk-peer/gthread-jni.h (g_thread_jni_functions): Renamed to ... (portable_native_sync_jni_functions): this name. (gdk_vm): Renamed to... (the_vm): this name. * native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkMainThread.c (gdk_vm): Removed duplicate definition. (gtkInit): Removed stray message to stdout. (gtkInit): Use g_malloc and g_free instead of malloc and free. (gtkInit): Fix a const assignment bug. (gtkInit): Simplified code. * gnu/java/awt/peer/gtk/GThreadNativeMethodRunner.java, native/jni/gtk-peer/gnu_java_awt_peer_gtk_GThreadNativeMethodRunner.c, native/jni/gtk-peer/gnu_java_awt_peer_gtk_GThreadNativeMethodRunner.h, gnu/java/awt/peer/gtk/GThreadMutex.java: New files. 2004-08-31 Mark Wielaard <mark@klomp.org> * javax/swing/Box.java: Put FIXME comment above class declaration. * javax/swing/JButton.java: Remove illegal L&F HTML from comments. * javax/swing/JCheckBox.java: Likewise. * javax/swing/JDialog.java: Likewise. * javax/swing/JRadioButton.java: Likewise. * javax/swing/JToggleButton.java: Likewise. * javax/swing/UIManager.java: Likewise. * javax/swing/border/TitledBorder.java: Likewise. * javax/swing/plaf/basic/BasicLabelUI.java: Likewise. * javax/swing/plaf/basic/BasicLookAndFeel.java: Likewise. * javax/swing/plaf/basic/BasicPopupMenuSeparatorUI.java: Likewise. * javax/swing/plaf/basic/BasicProgressBarUI.java: Likewise. * javax/swing/plaf/basic/BasicScrollBarUI.java: Likewise. * javax/swing/plaf/basic/BasicSeparatorUI.java: Likewise. * javax/swing/text/JTextComponent.java: Likewise. 2004-08-31 David Jee <djee@redhat.com> PR AWT/16682 * gnu/java/awt/peer/gtk/GtkFramePeer.java (setIconImage): Add a FIXME for unhandled cases. 2004-08-31 Thomas Fitzsimmons <fitzsim@redhat.com> PR AWT/16040 * gnu/awt/LightweightRedirector.java: Call getModifiersEx, not getModifiers. Replace old button masks with new ones. * gnu/awt/xlib/XEventLoop.java: Likewise. * gnu/java/awt/peer/gtk/GtkButtonPeer.java: Likewise. * gnu/java/awt/peer/gtk/GtkComponentPeer.java, jni/gtk-peer/gnu_java_awt_peer_gtk_GtkComponentPeer.c: Likewise. * gnu/java/awt/peer/gtk/GtkListPeer.java: Likewise. * gnu/java/awt/peer/gtk/GtkTextFieldPeer.java: Likewise. * java/awt/AWTKeyStroke.java: Remove old modifier masks. * java/awt/Component.java: Replace old modifier masks with new ones. * java/awt/Container.java: Call getModifiersEx, not getModifiers. * java/awt/DefaultKeyboardFocusManager.java: Likewise. Remove old modifier masks. * javax/swing/JMenuItem.java: Replace old button masks with new ones. * javax/swing/KeyStroke.java: Call getModifiersEx, not getModifiers. * javax/swing/SwingUtilities.java: Likewise. * javax/swing/plaf/basic/BasicButtonListener.java: Likewise. * javax/swing/plaf/basic/BasicInternalFrameUI.java: Likewise. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkEvents.c: Replace old mask macros with new ones. * jni/gtk-peer/gtkpeer.h: Replace old button and modifier mask macros with new ones representing new masks. 2004-08-31 Craig Black <craig.black@aonix.com> * gnu/java/awt/peer/gtk/GdkGraphics.java (drawRoundRect): Implemented. (fillRoundRect): Implemented. * gnu/java/awt/peer/gtk/GdkGraphics2D.java (drawRoundRect): Reimplemented to match GdkGraphics. (fillRoundRect): Reimplemented to match GdkGraphics. 2004-08-31 Mark Wielaard <mark@klomp.org> * Makefile.in: Regenerated. 2004-08-31 Michael Koch <konqueror@gmx.de> * gnu/java/awt/EmbeddedWindow.java (addNotify): Use AccessController to allow execution of privileged code. 2004-08-31 Michael Koch <konqueror@gmx.de> * gnu/java/awt/EmbeddedWindow.java (static): Removed. (addNotify): Set peer via reflection. (setWindowPeer): Removed. * gnu/java/awt/natEmbeddedWindow.cc: Removed. * Makefile.am (nat_source_files): Removed gnu/java/awt/natEmbeddedWindow.cc. 2004-08-31 Bryce McKinlay <mckinlay@redhat.com> * Makefile.am: Add gnu/java/security/action/GetPropertyAction.java and gnu/java/security/action/SetAccessibleAction.java. 2004-08-31 Bryce McKinlay <mckinlay@redhat.com> * gnu/java/security/action/GetPropertyAction.java (setParameters): Renamed from 'setName'. New 2-argument form with default value. (run): Pass default 'value' parameter to System.getProperty(). * gnu/java/security/action/SetAccessibleAction.java: Fix javadoc typos. 2004-08-31 Bryce McKinlay <mckinlay@redhat.com> * gnu/java/security/action/GetPropertyAction.java: New class. * gnu/java/security/action/SetAccessibleAction.java: New class. 2004-08-31 David Jee <djee@redhat.com> * gnu/java/awt/peer/gtk/GtkFramePeer.java (setIconImage): Check if image is null. 2004-08-31 David Jee <djee@redhat.com> * gnu/java/awt/peer/gtk/GtkFramePeer.java (create): Set the icon image. (nativeSetIconImage): New native method declaration. (setIconImage): Implement. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkWindowPeer.c (nativeSetIconImage): New function. 2004-08-31 Dalibor Topic <robilad@kaffe.org> * native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkFileDialogPeer.c (filenameFilterCallback): Declare local variable accepted before use. 2004-08-31 Dalibor Topic <robilad@kaffe.org> * gnu/java/awt/ComponentDataBlitOp.java: Cleaned up imports. 2004-08-31 Tom Tromey <tromey@redhat.com> * gnu/java/awt/peer/GLightweightPeer.java, gnu/java/awt/peer/gtk/GdkGraphics2D.java, gnu/java/awt/peer/gtk/GtkComponentPeer.java, javax/swing/JScrollPane.java: Removed redundant imports. 2004-08-31 David Jee <djee@redhat.com> * java/awt/DefaultKeyboardFocusManager.java (postProcessKeyEvent): Only activate MenuShortcuts on KEY_PRESSED event. Fix shift modifier checking. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkMenuPeer.c (accel_attach): Remove. (setupAccelGroup): Remove calls to accel_attach. 2004-08-31 Thomas Fitzsimmons <fitzsim@redhat.com> * gnu/java/awt/peer/gtk/GtkArg.java: Remove file. * gnu/java/awt/peer/gtk/GtkArgList.java: Remove file. * Makefile.am (gtk_awt_peer_sources): Remove GtkArg.java and GtkArgList.java. (gtk_c_files): Use CAIRO_CFLAGS and PANGOFT2_CFLAGS, not _LIBS. * Makefile.in: Regenerate. * gnu/java/awt/peer/gtk/GtkButtonPeer.java, jni/gtk-peer/gnu_java_awt_peer_gtk_GtkButtonPeer.c (create(String)): New method. (create): Call new create method. (getArgs): Remove method. * gnu/java/awt/peer/gtk/GtkCheckboxPeer.java, jni/gtk-peer/gnu_java_awt_peer_gtk_GtkCheckboxPeer.c (nativeCreate): Rename to create. (gtkSetLabel): Rename to gtkButtonSetLabel. (gtkToggleButtonSetActive): New method. (create): Call gtkToggleButtonSetActive and gtkButtonSetLabel. (setState): Replace set call with gtkToggleButtonSetActive. (setLabel): Replace gtkSetLabel call with gtkButtonSetLabel. (getArgs): Remove method. * gnu/java/awt/peer/gtk/GtkComponentPeer.java, jni/gtk-peer/gnu_java_awt_peer_gtk_GtkComponentPeer.c (gtkWidgetSetSensitive): New method. (gtkWidgetSetParent): Likewise. (GtkComponentPeer): Call setParent, setComponentBounds and setVisibleAndEnabled. (setParent): New method. (setComponentBounds): New method. (setVisibleAndEnabled): New method. (setEnabled): Call gtkWidgetSetSensitive. (getArgs): Remove method. Remove all set methods. * gnu/java/awt/peer/gtk/GtkDialogPeer.java (create): Call gtkWindowSetModal, setTitle and setResizable. (getArgs): Remove method. * gnu/java/awt/peer/gtk/GtkFileDialogPeer.java (setComponentBounds): New method. * gnu/java/awt/peer/gtk/GtkFramePeer.java (setResizable): Replace set call with gtkWindowSetResizable. (getArgs): Remove method. (create): Call setTitle and setResizable. * gnu/java/awt/peer/gtk/GtkWindowPeer.java, jni/gtk-peer/gnu_java_awt_peer_gtk_GtkWindowPeer.c (gtkWindowSetTitle): New method. (gtkWindowSetResizable): New method. (gtkWindowSetModal): New method. (setParent): New method. (setVisibleAndEnabled): New method. (getArgs): Remove method. (setTitle): Call gtkWindowSetTitle. (setResizable): Call gtkWindowSetResizable. * jni/gtk-peer/gtkpeer.h [DEBUG_LOCKING]: New define to turn on and off locking instrumentation. 2004-08-31 Kim Ho <kho@redhat.com> * Makefile.am: Add new file. * Makefile.in: Regenerate. * gcj/Makefile.in: Regenerate * include/Makefile.in: * java/awt/Container.java: (acquireComponentForMouseEvent): Respect the event mask when looking for candidate. * javax/swing/JComponent.java: Remove toolTip field. (createToolTip): Create a tooltip on demand. (setToolTipText): Register with the ToolTipManager. (getToolTipText(MouseEvent)): Return getToolTipText(). * javax/swing/JToolTip.java: Implement. * javax/swing/Timer.java: Jalopy. (restart): Call stop, then start. (stop): Interrupt the timer rather than wait for the timer to come to a stop naturally. * javax/swing/ToolTipManager.java: Implement. * javax/swing/plaf/basic/BasicLookAndFeel.java: Change ToolTip.background color. * javax/swing/plaf/basic/BasicToolTipUI.java: Implement. * testsuite/Makefile.in: Regenerate 2004-08-31 Jerry Quinn <jlquinn@optonline.net> * java/awt/image/DirectColorModel.java (DirectColorModel): Fix constructor param comments. 2004-08-31 Thomas Fitzsimmons <fitzsim@redhat.com> * java/awt/Component.java: Document AWT 1.0 event handler methods. 2004-08-31 Roman Kennke <roman@ontographics.com> * javax/swing/Box.java: (createGlue): Implemented (createHorizontalGlue): Implemented (createHorizontalStrut): Implemented (createVerticalGlue): Implemented (createVerticalStrut): Implemented 2004-08-31 David Jee <djee@redhat.com> * gnu/java/awt/peer/gtk/GtkChoicePeer.java (GtkChoicePeer): Do not automatically select first item. (getHistory): Remove. (nativeGetSelected): New method. (nativeRemoveAll): New method. (add): Use nativeGetSelected() instead of getHistory(). (remove): Likewise. (removeAll): Call nativeRemoveAll(). * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkChoicePeer.c (create): Migrate to GtkComboBox. (append): Likewise. (nativeAdd): Likewise. (nativeRemove): Likewise. (select): Likewise. (nativeRemoveAll): New method. (nativeGetSelected): New method. (selection_changed): New method. (getHistory): Remove. (item_activate): Remove. (item_removed): Remove. (connect_choice_item_selectable_hook): Remove. 2004-08-31 Thomas Fitzsimmons <fitzsim@redhat.com> * gnu/java/awt/peer/gtk/GtkTextFieldPeer.java (create): Use tf variable in setEditable call. * gnu/java/awt/peer/gtk/GtkTextFieldPeer.java, jni/gtk-peer/gnu_java_awt_peer_gtk_GtkTextFieldPeer.c (gtkWidgetSetBackground): New method. (gtkWidgetSetForeground): Likewise. (create): Set peer's editable state based on awtComponent's. * java/awt/Button.java (Button()): Use empty string rather than null in no-label constructor. 2004-08-31 Roman Kennke <roman@ontographics.com> * javax/swing/BoxLayout.java: Reimplement. 2004-08-31 Thomas Fitzsimmons <fitzsim@redhat.com> * gnu/java/awt/peer/gtk/GdkGraphics.java, gnu_java_awt_peer_gtk_GdkGraphics.c (initState(GtkComponentPeer)): Don't return array of colour values. (GdkGraphics(int,int)): Set default font to size 12. (GdkGraphics(GtkComponentPeer)): Set graphics colour to component's foreground colour. * gnu/java/awt/peer/gtk/GdkGraphics2D.java, gnu_java_awt_peer_gtk_GdkGraphics2D.c (initState(GtkComponentPeer)): Don't return array of colour values. (GdkGraphics2D(GtkComponentPeer)): Set foreground and background colours to component's colours. (current_colors_of_widget): Remove function. * gnu/java/awt/peer/gtk/GtkOffScreenImage.java (getGraphics): Return a new graphics object. * java/awt/Font.java (toString): Fix format. * java/awt/Graphics.java (toString): Likewise. 2004-08-31 Craig Black <craig.black@aonix.com> * native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkMenuPeer.c (addTearOff): New function. * gnu/java/awt/peer/gtk/GtkMenuPeer.java (addTearOff): New native method. (init): Call addTearOff() when menu.isTearOff(). 2004-08-31 Bryce McKinlay <mckinlay@redhat.com> * gnu/java/awt/ClasspathToolkit.java (createImageProducer): New. Default implementation. * gnu/java/awt/peer/gtk/GtkToolkit.java (createImageProducer): New. Implement using GdkPixbufDecoder. 2004-08-31 David Jee <djee@redhat.com> * gnu/java/awt/peer/gtk/GtkComponentPeer.java (GtkComponentPeer): Use gtkWidgetGetPreferredDimensions() for setting the size of GtkFileDialogPeers. * jni/gtk-peer/gnu_java_awt_peer_gtk_GtkComponentPeer.c (gtkWidgetGetPreferredDimensions): For widgets extending GtkWindow, use their default sizes rather than their natural requisitions. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/JFormattedTextField.java (JFormattedTextField): Implemented. * javax/swing/text/DefaultEditorKit.java (BeepAction): New inner class. * javax/swing/text/Segment.java (partialReturn): New field. (setPartialReturn): New method. (isPartialReturn): Likewise. * javax/swing/text/View.java (createFragment): Fixed typo. (getStartOffset): New method. (getEndOffset): Likewise. 2004-08-31 Michael Koch <konqueror@gmx.de> * javax/swing/table/DefaultTableColumnModel.java (serialVersionUID): Made private. (listenerList): Initialize. (changeEvent): Initialize. * javax/swing/table/JTableHeader.java (JTableHeader): New constructors. (createDefaultColumnModel): New method. * javax/swing/table/TableColumn.java (setHeaderRenderer): Simplified code. (setCellRenderer): Likewise. (setWidth): Likewise. git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@86956 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/java/awt/geom/CubicCurve2D.java')
-rw-r--r--libjava/java/awt/geom/CubicCurve2D.java667
1 files changed, 380 insertions, 287 deletions
diff --git a/libjava/java/awt/geom/CubicCurve2D.java b/libjava/java/awt/geom/CubicCurve2D.java
index 096e7ad9772..56b90e99838 100644
--- a/libjava/java/awt/geom/CubicCurve2D.java
+++ b/libjava/java/awt/geom/CubicCurve2D.java
@@ -1,5 +1,5 @@
/* CubicCurve2D.java -- represents a parameterized cubic curve in 2-D space
- Copyright (C) 2002, 2003 Free Software Foundation
+ Copyright (C) 2002, 2003, 2004 Free Software Foundation
This file is part of GNU Classpath.
@@ -35,7 +35,6 @@ this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
-
package java.awt.geom;
import java.awt.Rectangle;
@@ -53,12 +52,14 @@ import java.util.NoSuchElementException;
* @author Eric Blake (ebb9@email.byu.edu)
* @author Graydon Hoare (graydon@redhat.com)
* @author Sascha Brawer (brawer@dandelis.ch)
+ * @author Sven de Marothy (sven@physto.se)
*
* @since 1.2
*/
-public abstract class CubicCurve2D
- implements Shape, Cloneable
+public abstract class CubicCurve2D implements Shape, Cloneable
{
+ private static final double BIG_VALUE = java.lang.Double.MAX_VALUE / 10.0;
+
/**
* Constructs a new CubicCurve2D. Typical users will want to
* construct instances of a subclass, such as {@link
@@ -68,87 +69,74 @@ public abstract class CubicCurve2D
{
}
-
/**
* Returns the <i>x</i> coordinate of the curve&#x2019;s start
* point.
*/
public abstract double getX1();
-
/**
* Returns the <i>y</i> coordinate of the curve&#x2019;s start
* point.
*/
public abstract double getY1();
-
/**
* Returns the curve&#x2019;s start point.
*/
public abstract Point2D getP1();
-
/**
* Returns the <i>x</i> coordinate of the curve&#x2019;s first
* control point.
*/
public abstract double getCtrlX1();
-
/**
* Returns the <i>y</i> coordinate of the curve&#x2019;s first
* control point.
*/
public abstract double getCtrlY1();
-
/**
* Returns the curve&#x2019;s first control point.
*/
public abstract Point2D getCtrlP1();
-
/**
* Returns the <i>x</i> coordinate of the curve&#x2019;s second
* control point.
*/
public abstract double getCtrlX2();
-
/**
* Returns the <i>y</i> coordinate of the curve&#x2019;s second
* control point.
*/
public abstract double getCtrlY2();
-
/**
* Returns the curve&#x2019;s second control point.
*/
public abstract Point2D getCtrlP2();
-
/**
* Returns the <i>x</i> coordinate of the curve&#x2019;s end
* point.
*/
public abstract double getX2();
-
/**
* Returns the <i>y</i> coordinate of the curve&#x2019;s end
* point.
*/
public abstract double getY2();
-
/**
* Returns the curve&#x2019;s end point.
*/
public abstract Point2D getP2();
-
/**
* Changes the curve geometry, separately specifying each coordinate
* value.
@@ -183,7 +171,6 @@ public abstract class CubicCurve2D
public abstract void setCurve(double x1, double y1, double cx1, double cy1,
double cx2, double cy2, double x2, double y2);
-
/**
* Changes the curve geometry, specifying coordinate values in an
* array.
@@ -206,13 +193,11 @@ public abstract class CubicCurve2D
*/
public void setCurve(double[] coords, int offset)
{
- setCurve(coords[offset++], coords[offset++],
- coords[offset++], coords[offset++],
- coords[offset++], coords[offset++],
+ setCurve(coords[offset++], coords[offset++], coords[offset++],
+ coords[offset++], coords[offset++], coords[offset++],
coords[offset++], coords[offset++]);
}
-
/**
* Changes the curve geometry, specifying coordinate values in
* separate Point objects.
@@ -232,11 +217,10 @@ public abstract class CubicCurve2D
*/
public void setCurve(Point2D p1, Point2D c1, Point2D c2, Point2D p2)
{
- setCurve(p1.getX(), p1.getY(), c1.getX(), c1.getY(),
- c2.getX(), c2.getY(), p2.getX(), p2.getY());
+ setCurve(p1.getX(), p1.getY(), c1.getX(), c1.getY(), c2.getX(), c2.getY(),
+ p2.getX(), p2.getY());
}
-
/**
* Changes the curve geometry, specifying coordinate values in an
* array of Point objects.
@@ -258,12 +242,10 @@ public abstract class CubicCurve2D
*/
public void setCurve(Point2D[] pts, int offset)
{
- setCurve(pts[offset].getX(), pts[offset++].getY(),
- pts[offset].getX(), pts[offset++].getY(),
- pts[offset].getX(), pts[offset++].getY(),
+ setCurve(pts[offset].getX(), pts[offset++].getY(), pts[offset].getX(),
+ pts[offset++].getY(), pts[offset].getX(), pts[offset++].getY(),
pts[offset].getX(), pts[offset++].getY());
}
-
/**
* Changes the curve geometry to that of another curve.
@@ -276,7 +258,6 @@ public abstract class CubicCurve2D
c.getCtrlX2(), c.getCtrlY2(), c.getX2(), c.getY2());
}
-
/**
* Calculates the squared flatness of a cubic curve, directly
* specifying each coordinate value. The flatness is the maximal
@@ -309,7 +290,6 @@ public abstract class CubicCurve2D
Line2D.ptSegDistSq(x1, y1, x2, y2, cx2, cy2));
}
-
/**
* Calculates the flatness of a cubic curve, directly specifying
* each coordinate value. The flatness is the maximal distance of a
@@ -340,7 +320,6 @@ public abstract class CubicCurve2D
return Math.sqrt(getFlatnessSq(x1, y1, cx1, cy1, cx2, cy2, x2, y2));
}
-
/**
* Calculates the squared flatness of a cubic curve, specifying the
* coordinate values in an array. The flatness is the maximal
@@ -374,13 +353,11 @@ public abstract class CubicCurve2D
*/
public static double getFlatnessSq(double[] coords, int offset)
{
- return getFlatnessSq(coords[offset++], coords[offset++],
- coords[offset++], coords[offset++],
- coords[offset++], coords[offset++],
+ return getFlatnessSq(coords[offset++], coords[offset++], coords[offset++],
+ coords[offset++], coords[offset++], coords[offset++],
coords[offset++], coords[offset++]);
}
-
/**
* Calculates the flatness of a cubic curve, specifying the
* coordinate values in an array. The flatness is the maximal
@@ -420,7 +397,6 @@ public abstract class CubicCurve2D
coords[offset++], coords[offset++]));
}
-
/**
* Calculates the squared flatness of this curve. The flatness is
* the maximal distance of a control point to the line between start
@@ -441,7 +417,6 @@ public abstract class CubicCurve2D
getCtrlX2(), getCtrlY2(), getX2(), getY2());
}
-
/**
* Calculates the flatness of this curve. The flatness is the
* maximal distance of a control point to the line between start and
@@ -458,12 +433,10 @@ public abstract class CubicCurve2D
*/
public double getFlatness()
{
- return Math.sqrt(getFlatnessSq(getX1(), getY1(), getCtrlX1(),
- getCtrlY1(), getCtrlX2(), getCtrlY2(),
- getX2(), getY2()));
+ return Math.sqrt(getFlatnessSq(getX1(), getY1(), getCtrlX1(), getCtrlY1(),
+ getCtrlX2(), getCtrlY2(), getX2(), getY2()));
}
-
/**
* Subdivides this curve into two halves.
*
@@ -482,9 +455,11 @@ public abstract class CubicCurve2D
public void subdivide(CubicCurve2D left, CubicCurve2D right)
{
// Use empty slots at end to share single array.
- double[] d = new double[] { getX1(), getY1(), getCtrlX1(), getCtrlY1(),
- getCtrlX2(), getCtrlY2(), getX2(), getY2(),
- 0, 0, 0, 0, 0, 0 };
+ double[] d = new double[]
+ {
+ getX1(), getY1(), getCtrlX1(), getCtrlY1(), getCtrlX2(),
+ getCtrlY2(), getX2(), getY2(), 0, 0, 0, 0, 0, 0
+ };
subdivide(d, 0, d, 0, d, 6);
if (left != null)
left.setCurve(d, 0);
@@ -492,7 +467,6 @@ public abstract class CubicCurve2D
right.setCurve(d, 6);
}
-
/**
* Subdivides a cubic curve into two halves.
*
@@ -510,13 +484,12 @@ public abstract class CubicCurve2D
* of <code>src</code>, or <code>null</code> if the caller is not
* interested in the right half.
*/
- public static void subdivide(CubicCurve2D src,
- CubicCurve2D left, CubicCurve2D right)
+ public static void subdivide(CubicCurve2D src, CubicCurve2D left,
+ CubicCurve2D right)
{
src.subdivide(left, right);
}
-
/**
* Subdivides a cubic curve into two halves, passing all coordinates
* in an array.
@@ -563,18 +536,29 @@ public abstract class CubicCurve2D
* index where the start point&#x2019;s <i>x</i> coordinate will be
* stored.
*/
- public static void subdivide(double[] src, int srcOff,
- double[] left, int leftOff,
- double[] right, int rightOff)
+ public static void subdivide(double[] src, int srcOff, double[] left,
+ int leftOff, double[] right, int rightOff)
{
// To understand this code, please have a look at the image
// "CubicCurve2D-3.png" in the sub-directory "doc-files".
- double src_C1_x, src_C1_y, src_C2_x, src_C2_y;
- double left_P1_x, left_P1_y;
- double left_C1_x, left_C1_y, left_C2_x, left_C2_y;
- double right_C1_x, right_C1_y, right_C2_x, right_C2_y;
- double right_P2_x, right_P2_y;
- double Mid_x, Mid_y; // Mid = left.P2 = right.P1
+ double src_C1_x;
+ double src_C1_y;
+ double src_C2_x;
+ double src_C2_y;
+ double left_P1_x;
+ double left_P1_y;
+ double left_C1_x;
+ double left_C1_y;
+ double left_C2_x;
+ double left_C2_y;
+ double right_C1_x;
+ double right_C1_y;
+ double right_C2_x;
+ double right_C2_y;
+ double right_P2_x;
+ double right_P2_y;
+ double Mid_x; // Mid = left.P2 = right.P1
+ double Mid_y; // Mid = left.P2 = right.P1
left_P1_x = src[srcOff];
left_P1_y = src[srcOff + 1];
@@ -599,31 +583,30 @@ public abstract class CubicCurve2D
Mid_y = (left_C2_y + right_C1_y) / 2;
if (left != null)
- {
- left[leftOff] = left_P1_x;
- left[leftOff + 1] = left_P1_y;
- left[leftOff + 2] = left_C1_x;
- left[leftOff + 3] = left_C1_y;
- left[leftOff + 4] = left_C2_x;
- left[leftOff + 5] = left_C2_y;
- left[leftOff + 6] = Mid_x;
- left[leftOff + 7] = Mid_y;
- }
+ {
+ left[leftOff] = left_P1_x;
+ left[leftOff + 1] = left_P1_y;
+ left[leftOff + 2] = left_C1_x;
+ left[leftOff + 3] = left_C1_y;
+ left[leftOff + 4] = left_C2_x;
+ left[leftOff + 5] = left_C2_y;
+ left[leftOff + 6] = Mid_x;
+ left[leftOff + 7] = Mid_y;
+ }
if (right != null)
- {
- right[rightOff] = Mid_x;
- right[rightOff + 1] = Mid_y;
- right[rightOff + 2] = right_C1_x;
- right[rightOff + 3] = right_C1_y;
- right[rightOff + 4] = right_C2_x;
- right[rightOff + 5] = right_C2_y;
- right[rightOff + 6] = right_P2_x;
- right[rightOff + 7] = right_P2_y;
- }
+ {
+ right[rightOff] = Mid_x;
+ right[rightOff + 1] = Mid_y;
+ right[rightOff + 2] = right_C1_x;
+ right[rightOff + 3] = right_C1_y;
+ right[rightOff + 4] = right_C2_x;
+ right[rightOff + 5] = right_C2_y;
+ right[rightOff + 6] = right_P2_x;
+ right[rightOff + 7] = right_P2_y;
+ }
}
-
/**
* Finds the non-complex roots of a cubic equation, placing the
* results into the same array as the equation coefficients. The
@@ -670,7 +653,6 @@ public abstract class CubicCurve2D
return solveCubic(eqn, eqn);
}
-
/**
* Finds the non-complex roots of a cubic equation. The following
* equation is being solved:
@@ -727,9 +709,19 @@ public abstract class CubicCurve2D
// The Java implementation is very similar to the GSL code, but
// not a strict one-to-one copy. For example, GSL would sort the
// result.
-
- double a, b, c, q, r, Q, R;
- double c3, Q3, R2, CR2, CQ3;
+
+ double a;
+ double b;
+ double c;
+ double q;
+ double r;
+ double Q;
+ double R;
+ double c3;
+ double Q3;
+ double R2;
+ double CR2;
+ double CQ3;
// If the cubic coefficient is zero, we have a quadratic equation.
c3 = eqn[3];
@@ -755,219 +747,267 @@ public abstract class CubicCurve2D
CQ3 = 2916 * q * q * q;
if (R == 0 && Q == 0)
- {
- // The GNU Scientific Library would return three identical
- // solutions in this case.
- res[0] = -a/3;
- return 1;
- }
-
- if (CR2 == CQ3)
- {
- /* this test is actually R2 == Q3, written in a form suitable
- for exact computation with integers */
-
- /* Due to finite precision some double roots may be missed, and
- considered to be a pair of complex roots z = x +/- epsilon i
- close to the real axis. */
-
- double sqrtQ = Math.sqrt(Q);
-
- if (R > 0)
{
- res[0] = -2 * sqrtQ - a/3;
- res[1] = sqrtQ - a/3;
+ // The GNU Scientific Library would return three identical
+ // solutions in this case.
+ res[0] = -a / 3;
+ return 1;
}
- else
+
+ if (CR2 == CQ3)
{
- res[0] = -sqrtQ - a/3;
- res[1] = 2 * sqrtQ - a/3;
+ /* this test is actually R2 == Q3, written in a form suitable
+ for exact computation with integers */
+ /* Due to finite precision some double roots may be missed, and
+ considered to be a pair of complex roots z = x +/- epsilon i
+ close to the real axis. */
+ double sqrtQ = Math.sqrt(Q);
+
+ if (R > 0)
+ {
+ res[0] = -2 * sqrtQ - a / 3;
+ res[1] = sqrtQ - a / 3;
+ }
+ else
+ {
+ res[0] = -sqrtQ - a / 3;
+ res[1] = 2 * sqrtQ - a / 3;
+ }
+ return 2;
}
- return 2;
- }
if (CR2 < CQ3) /* equivalent to R2 < Q3 */
- {
- double sqrtQ = Math.sqrt(Q);
- double sqrtQ3 = sqrtQ * sqrtQ * sqrtQ;
- double theta = Math.acos(R / sqrtQ3);
- double norm = -2 * sqrtQ;
- res[0] = norm * Math.cos(theta / 3) - a / 3;
- res[1] = norm * Math.cos((theta + 2.0 * Math.PI) / 3) - a/3;
- res[2] = norm * Math.cos((theta - 2.0 * Math.PI) / 3) - a/3;
-
- // The GNU Scientific Library sorts the results. We don't.
- return 3;
- }
+ {
+ double sqrtQ = Math.sqrt(Q);
+ double sqrtQ3 = sqrtQ * sqrtQ * sqrtQ;
+ double theta = Math.acos(R / sqrtQ3);
+ double norm = -2 * sqrtQ;
+ res[0] = norm * Math.cos(theta / 3) - a / 3;
+ res[1] = norm * Math.cos((theta + 2.0 * Math.PI) / 3) - a / 3;
+ res[2] = norm * Math.cos((theta - 2.0 * Math.PI) / 3) - a / 3;
+
+ // The GNU Scientific Library sorts the results. We don't.
+ return 3;
+ }
double sgnR = (R >= 0 ? 1 : -1);
- double A = -sgnR * Math.pow(Math.abs(R) + Math.sqrt(R2 - Q3), 1.0/3.0);
- double B = Q / A ;
- res[0] = A + B - a/3;
+ double A = -sgnR * Math.pow(Math.abs(R) + Math.sqrt(R2 - Q3), 1.0 / 3.0);
+ double B = Q / A;
+ res[0] = A + B - a / 3;
return 1;
}
-
/**
- * Determines whether a position lies inside the area that is bounded
+ * Determines whether a position lies inside the area bounded
* by the curve and the straight line connecting its end points.
*
* <p><img src="doc-files/CubicCurve2D-5.png" width="350" height="180"
* alt="A drawing of the area spanned by the curve" />
*
* <p>The above drawing illustrates in which area points are
- * considered &#x201c;contained&#x201d; in a CubicCurve2D.
+ * considered &#x201c;inside&#x201d; a CubicCurve2D.
*/
public boolean contains(double x, double y)
{
- // XXX Implement.
- throw new Error("not implemented");
- }
+ if (! getBounds2D().contains(x, y))
+ return false;
+ return ((getAxisIntersections(x, y, true, BIG_VALUE) & 1) != 0);
+ }
/**
- * Determines whether a point lies inside the area that is bounded
+ * Determines whether a point lies inside the area bounded
* by the curve and the straight line connecting its end points.
*
* <p><img src="doc-files/CubicCurve2D-5.png" width="350" height="180"
* alt="A drawing of the area spanned by the curve" />
*
* <p>The above drawing illustrates in which area points are
- * considered &#x201c;contained&#x201d; in a CubicCurve2D.
+ * considered &#x201c;inside&#x201d; a CubicCurve2D.
*/
public boolean contains(Point2D p)
{
return contains(p.getX(), p.getY());
}
-
+ /**
+ * Determines whether any part of a rectangle is inside the area bounded
+ * by the curve and the straight line connecting its end points.
+ *
+ * <p><img src="doc-files/CubicCurve2D-5.png" width="350" height="180"
+ * alt="A drawing of the area spanned by the curve" />
+ *
+ * <p>The above drawing illustrates in which area points are
+ * considered &#x201c;inside&#x201d; in a CubicCurve2D.
+ * @see #contains(double, double)
+ */
public boolean intersects(double x, double y, double w, double h)
{
- // XXX Implement.
- throw new Error("not implemented");
- }
+ if (! getBounds2D().contains(x, y, w, h))
+ return false;
+ /* Does any edge intersect? */
+ if (getAxisIntersections(x, y, true, w) != 0 /* top */
+ || getAxisIntersections(x, y + h, true, w) != 0 /* bottom */
+ || getAxisIntersections(x + w, y, false, h) != 0 /* right */
+ || getAxisIntersections(x, y, false, h) != 0) /* left */
+ return true;
+ /* No intersections, is any point inside? */
+ if ((getAxisIntersections(x, y, true, BIG_VALUE) & 1) != 0)
+ return true;
+
+ return false;
+ }
+
+ /**
+ * Determines whether any part of a Rectangle2D is inside the area bounded
+ * by the curve and the straight line connecting its end points.
+ * @see #intersects(double, double, double, double)
+ */
public boolean intersects(Rectangle2D r)
{
return intersects(r.getX(), r.getY(), r.getWidth(), r.getHeight());
}
-
+ /**
+ * Determine whether a rectangle is entirely inside the area that is bounded
+ * by the curve and the straight line connecting its end points.
+ *
+ * <p><img src="doc-files/CubicCurve2D-5.png" width="350" height="180"
+ * alt="A drawing of the area spanned by the curve" />
+ *
+ * <p>The above drawing illustrates in which area points are
+ * considered &#x201c;inside&#x201d; a CubicCurve2D.
+ * @see #contains(double, double)
+ */
public boolean contains(double x, double y, double w, double h)
{
- // XXX Implement.
- throw new Error("not implemented");
- }
+ if (! getBounds2D().intersects(x, y, w, h))
+ return false;
+
+ /* Does any edge intersect? */
+ if (getAxisIntersections(x, y, true, w) != 0 /* top */
+ || getAxisIntersections(x, y + h, true, w) != 0 /* bottom */
+ || getAxisIntersections(x + w, y, false, h) != 0 /* right */
+ || getAxisIntersections(x, y, false, h) != 0) /* left */
+ return false;
+ /* No intersections, is any point inside? */
+ if ((getAxisIntersections(x, y, true, BIG_VALUE) & 1) != 0)
+ return true;
+ return false;
+ }
+
+ /**
+ * Determine whether a Rectangle2D is entirely inside the area that is
+ * bounded by the curve and the straight line connecting its end points.
+ *
+ * <p><img src="doc-files/CubicCurve2D-5.png" width="350" height="180"
+ * alt="A drawing of the area spanned by the curve" />
+ *
+ * <p>The above drawing illustrates in which area points are
+ * considered &#x201c;inside&#x201d; a CubicCurve2D.
+ * @see #contains(double, double)
+ */
public boolean contains(Rectangle2D r)
{
return contains(r.getX(), r.getY(), r.getWidth(), r.getHeight());
}
-
/**
* Determines the smallest rectangle that encloses the
- * curve&#x2019;s start, end and control points. As the illustration
- * below shows, the invisible control points may cause the bounds to
- * be much larger than the area that is actually covered by the
- * curve.
- *
- * <p><img src="doc-files/CubicCurve2D-2.png" width="350" height="180"
- * alt="An illustration of the bounds of a CubicCurve2D" />
+ * curve&#x2019;s start, end and control points.
*/
public Rectangle getBounds()
{
return getBounds2D().getBounds();
}
-
public PathIterator getPathIterator(final AffineTransform at)
{
return new PathIterator()
- {
- /** Current coordinate. */
- private int current = 0;
-
- public int getWindingRule()
- {
- return WIND_NON_ZERO;
- }
-
- public boolean isDone()
- {
- return current >= 2;
- }
-
- public void next()
- {
- current++;
- }
-
- public int currentSegment(float[] coords)
{
- int result;
- switch (current)
- {
- case 0:
- coords[0] = (float) getX1();
- coords[1] = (float) getY1();
- result = SEG_MOVETO;
- break;
- case 1:
- coords[0] = (float) getCtrlX1();
- coords[1] = (float) getCtrlY1();
- coords[2] = (float) getCtrlX2();
- coords[3] = (float) getCtrlY2();
- coords[4] = (float) getX2();
- coords[5] = (float) getY2();
- result = SEG_CUBICTO;
- break;
- default:
- throw new NoSuchElementException("cubic iterator out of bounds");
- }
- if (at != null)
- at.transform(coords, 0, coords, 0, 3);
- return result;
- }
-
- public int currentSegment(double[] coords)
- {
- int result;
- switch (current)
- {
- case 0:
- coords[0] = getX1();
- coords[1] = getY1();
- result = SEG_MOVETO;
- break;
- case 1:
- coords[0] = getCtrlX1();
- coords[1] = getCtrlY1();
- coords[2] = getCtrlX2();
- coords[3] = getCtrlY2();
- coords[4] = getX2();
- coords[5] = getY2();
- result = SEG_CUBICTO;
- break;
- default:
- throw new NoSuchElementException("cubic iterator out of bounds");
- }
- if (at != null)
- at.transform(coords, 0, coords, 0, 3);
- return result;
- }
- };
+ /** Current coordinate. */
+ private int current = 0;
+
+ public int getWindingRule()
+ {
+ return WIND_NON_ZERO;
+ }
+
+ public boolean isDone()
+ {
+ return current >= 2;
+ }
+
+ public void next()
+ {
+ current++;
+ }
+
+ public int currentSegment(float[] coords)
+ {
+ int result;
+ switch (current)
+ {
+ case 0:
+ coords[0] = (float) getX1();
+ coords[1] = (float) getY1();
+ result = SEG_MOVETO;
+ break;
+ case 1:
+ coords[0] = (float) getCtrlX1();
+ coords[1] = (float) getCtrlY1();
+ coords[2] = (float) getCtrlX2();
+ coords[3] = (float) getCtrlY2();
+ coords[4] = (float) getX2();
+ coords[5] = (float) getY2();
+ result = SEG_CUBICTO;
+ break;
+ default:
+ throw new NoSuchElementException("cubic iterator out of bounds");
+ }
+ if (at != null)
+ at.transform(coords, 0, coords, 0, 3);
+ return result;
+ }
+
+ public int currentSegment(double[] coords)
+ {
+ int result;
+ switch (current)
+ {
+ case 0:
+ coords[0] = getX1();
+ coords[1] = getY1();
+ result = SEG_MOVETO;
+ break;
+ case 1:
+ coords[0] = getCtrlX1();
+ coords[1] = getCtrlY1();
+ coords[2] = getCtrlX2();
+ coords[3] = getCtrlY2();
+ coords[4] = getX2();
+ coords[5] = getY2();
+ result = SEG_CUBICTO;
+ break;
+ default:
+ throw new NoSuchElementException("cubic iterator out of bounds");
+ }
+ if (at != null)
+ at.transform(coords, 0, coords, 0, 3);
+ return result;
+ }
+ };
}
-
public PathIterator getPathIterator(AffineTransform at, double flatness)
{
return new FlatteningPathIterator(getPathIterator(at), flatness);
}
-
/**
* Create a new curve with the same contents as this one.
*
@@ -976,15 +1016,118 @@ public abstract class CubicCurve2D
public Object clone()
{
try
- {
- return super.clone();
- }
+ {
+ return super.clone();
+ }
catch (CloneNotSupportedException e)
- {
- throw (Error) new InternalError().initCause(e); // Impossible
- }
+ {
+ throw (Error) new InternalError().initCause(e); // Impossible
+ }
}
+ /**
+ * Helper method used by contains() and intersects() methods, that
+ * returns the number of curve/line intersections on a given axis
+ * extending from a certain point.
+ *
+ * @param x x coordinate of the origin point
+ * @param y y coordinate of the origin point
+ * @param useYaxis axis used, if true the positive Y axis is used,
+ * false uses the positive X axis.
+ *
+ * This is an implementation of the line-crossings algorithm,
+ * Detailed in an article on Eric Haines' page:
+ * http://www.acm.org/tog/editors/erich/ptinpoly/
+ *
+ * A special-case not adressed in this code is self-intersections
+ * of the curve, e.g. if the axis intersects the self-itersection,
+ * the degenerate roots of the polynomial will erroneously count as
+ * a single intersection of the curve, and not two.
+ */
+ private int getAxisIntersections(double x, double y, boolean useYaxis,
+ double distance)
+ {
+ int nCrossings = 0;
+ double a0;
+ double a1;
+ double a2;
+ double a3;
+ double b0;
+ double b1;
+ double b2;
+ double b3;
+ double[] r = new double[4];
+ int nRoots;
+
+ a0 = a3 = 0.0;
+
+ if (useYaxis)
+ {
+ a0 = getY1() - y;
+ a1 = getCtrlY1() - y;
+ a2 = getCtrlY2() - y;
+ a3 = getY2() - y;
+ b0 = getX1() - x;
+ b1 = getCtrlX1() - x;
+ b2 = getCtrlX2() - x;
+ b3 = getX2() - x;
+ }
+ else
+ {
+ a0 = getX1() - x;
+ a1 = getCtrlX1() - x;
+ a2 = getCtrlX2() - x;
+ a3 = getX2() - x;
+ b0 = getY1() - y;
+ b1 = getCtrlY1() - y;
+ b2 = getCtrlY2() - y;
+ b3 = getY2() - y;
+ }
+
+ /* If the axis intersects a start/endpoint, shift it up by some small
+ amount to guarantee the line is 'inside'
+ If this is not done, bad behaviour may result for points on that axis.*/
+ if (a0 == 0.0 || a3 == 0.0)
+ {
+ double small = getFlatness() * (1E-10);
+ if (a0 == 0.0)
+ a0 += small;
+ if (a3 == 0.0)
+ a3 += small;
+ }
+
+ if (useYaxis)
+ {
+ if (Line2D.linesIntersect(b0, a0, b3, a3, 0.0, 0.0, distance, 0.0))
+ nCrossings++;
+ }
+ else
+ {
+ if (Line2D.linesIntersect(a0, b0, a3, b3, 0.0, 0.0, 0.0, distance))
+ nCrossings++;
+ }
+
+ r[0] = a0;
+ r[1] = 3 * (a1 - a0);
+ r[2] = 3 * (a2 + a0 - 2 * a1);
+ r[3] = a3 - 3 * a2 + 3 * a1 - a0;
+
+ if ((nRoots = solveCubic(r)) != 0)
+ for (int i = 0; i < nRoots; i++)
+ {
+ double t = r[i];
+ if (t >= 0.0 && t <= 1.0)
+ {
+ double crossing = -(t * t * t) * (b0 - 3 * b1 + 3 * b2 - b3)
+ + 3 * t * t * (b0 - 2 * b1 + b2)
+ + 3 * t * (b1 - b0) + b0;
+ if (crossing > 0.0 && crossing <= distance)
+ nCrossings++;
+ }
+ }
+
+ return (nCrossings);
+ }
/**
* A two-dimensional curve that is parameterized with a cubic
@@ -996,57 +1139,48 @@ public abstract class CubicCurve2D
* @author Eric Blake (ebb9@email.byu.edu)
* @author Sascha Brawer (brawer@dandelis.ch)
*/
- public static class Double
- extends CubicCurve2D
+ public static class Double extends CubicCurve2D
{
/**
* The <i>x</i> coordinate of the curve&#x2019;s start point.
*/
public double x1;
-
/**
* The <i>y</i> coordinate of the curve&#x2019;s start point.
*/
public double y1;
-
/**
* The <i>x</i> coordinate of the curve&#x2019;s first control point.
*/
public double ctrlx1;
-
/**
* The <i>y</i> coordinate of the curve&#x2019;s first control point.
*/
public double ctrly1;
-
/**
* The <i>x</i> coordinate of the curve&#x2019;s second control point.
*/
public double ctrlx2;
-
/**
* The <i>y</i> coordinate of the curve&#x2019;s second control point.
*/
public double ctrly2;
-
/**
* The <i>x</i> coordinate of the curve&#x2019;s end point.
*/
public double x2;
-
/**
* The <i>y</i> coordinate of the curve&#x2019;s end point.
*/
public double y2;
-
/**
* Constructs a new CubicCurve2D that stores its coordinate values
* in double-precision floating-point format. All points are
@@ -1056,7 +1190,6 @@ public abstract class CubicCurve2D
{
}
-
/**
* Constructs a new CubicCurve2D that stores its coordinate values
* in double-precision floating-point format, specifying the
@@ -1089,8 +1222,8 @@ public abstract class CubicCurve2D
* @param y2 the <i>y</i> coordinate of the curve&#x2019;s end
* point.
*/
- public Double(double x1, double y1, double cx1, double cy1,
- double cx2, double cy2, double x2, double y2)
+ public Double(double x1, double y1, double cx1, double cy1, double cx2,
+ double cy2, double x2, double y2)
{
this.x1 = x1;
this.y1 = y1;
@@ -1102,7 +1235,6 @@ public abstract class CubicCurve2D
this.y2 = y2;
}
-
/**
* Returns the <i>x</i> coordinate of the curve&#x2019;s start
* point.
@@ -1112,7 +1244,6 @@ public abstract class CubicCurve2D
return x1;
}
-
/**
* Returns the <i>y</i> coordinate of the curve&#x2019;s start
* point.
@@ -1122,7 +1253,6 @@ public abstract class CubicCurve2D
return y1;
}
-
/**
* Returns the curve&#x2019;s start point.
*/
@@ -1131,7 +1261,6 @@ public abstract class CubicCurve2D
return new Point2D.Double(x1, y1);
}
-
/**
* Returns the <i>x</i> coordinate of the curve&#x2019;s first
* control point.
@@ -1141,7 +1270,6 @@ public abstract class CubicCurve2D
return ctrlx1;
}
-
/**
* Returns the <i>y</i> coordinate of the curve&#x2019;s first
* control point.
@@ -1151,7 +1279,6 @@ public abstract class CubicCurve2D
return ctrly1;
}
-
/**
* Returns the curve&#x2019;s first control point.
*/
@@ -1160,7 +1287,6 @@ public abstract class CubicCurve2D
return new Point2D.Double(ctrlx1, ctrly1);
}
-
/**
* Returns the <i>x</i> coordinate of the curve&#x2019;s second
* control point.
@@ -1170,7 +1296,6 @@ public abstract class CubicCurve2D
return ctrlx2;
}
-
/**
* Returns the <i>y</i> coordinate of the curve&#x2019;s second
* control point.
@@ -1180,7 +1305,6 @@ public abstract class CubicCurve2D
return ctrly2;
}
-
/**
* Returns the curve&#x2019;s second control point.
*/
@@ -1189,7 +1313,6 @@ public abstract class CubicCurve2D
return new Point2D.Double(ctrlx2, ctrly2);
}
-
/**
* Returns the <i>x</i> coordinate of the curve&#x2019;s end
* point.
@@ -1199,7 +1322,6 @@ public abstract class CubicCurve2D
return x2;
}
-
/**
* Returns the <i>y</i> coordinate of the curve&#x2019;s end
* point.
@@ -1209,7 +1331,6 @@ public abstract class CubicCurve2D
return y2;
}
-
/**
* Returns the curve&#x2019;s end point.
*/
@@ -1218,7 +1339,6 @@ public abstract class CubicCurve2D
return new Point2D.Double(x2, y2);
}
-
/**
* Changes the curve geometry, separately specifying each coordinate
* value.
@@ -1263,7 +1383,6 @@ public abstract class CubicCurve2D
this.y2 = y2;
}
-
/**
* Determines the smallest rectangle that encloses the
* curve&#x2019;s start, end and control points. As the
@@ -1284,7 +1403,6 @@ public abstract class CubicCurve2D
}
}
-
/**
* A two-dimensional curve that is parameterized with a cubic
* function and stores coordinate values in single-precision
@@ -1295,57 +1413,48 @@ public abstract class CubicCurve2D
* @author Eric Blake (ebb9@email.byu.edu)
* @author Sascha Brawer (brawer@dandelis.ch)
*/
- public static class Float
- extends CubicCurve2D
+ public static class Float extends CubicCurve2D
{
/**
* The <i>x</i> coordinate of the curve&#x2019;s start point.
*/
public float x1;
-
/**
* The <i>y</i> coordinate of the curve&#x2019;s start point.
*/
public float y1;
-
/**
* The <i>x</i> coordinate of the curve&#x2019;s first control point.
*/
public float ctrlx1;
-
/**
* The <i>y</i> coordinate of the curve&#x2019;s first control point.
*/
public float ctrly1;
-
/**
* The <i>x</i> coordinate of the curve&#x2019;s second control point.
*/
public float ctrlx2;
-
/**
* The <i>y</i> coordinate of the curve&#x2019;s second control point.
*/
public float ctrly2;
-
/**
* The <i>x</i> coordinate of the curve&#x2019;s end point.
*/
public float x2;
-
/**
* The <i>y</i> coordinate of the curve&#x2019;s end point.
*/
public float y2;
-
/**
* Constructs a new CubicCurve2D that stores its coordinate values
* in single-precision floating-point format. All points are
@@ -1355,7 +1464,6 @@ public abstract class CubicCurve2D
{
}
-
/**
* Constructs a new CubicCurve2D that stores its coordinate values
* in single-precision floating-point format, specifying the
@@ -1388,8 +1496,8 @@ public abstract class CubicCurve2D
* @param y2 the <i>y</i> coordinate of the curve&#x2019;s end
* point.
*/
- public Float(float x1, float y1, float cx1, float cy1,
- float cx2, float cy2, float x2, float y2)
+ public Float(float x1, float y1, float cx1, float cy1, float cx2,
+ float cy2, float x2, float y2)
{
this.x1 = x1;
this.y1 = y1;
@@ -1401,7 +1509,6 @@ public abstract class CubicCurve2D
this.y2 = y2;
}
-
/**
* Returns the <i>x</i> coordinate of the curve&#x2019;s start
* point.
@@ -1411,7 +1518,6 @@ public abstract class CubicCurve2D
return x1;
}
-
/**
* Returns the <i>y</i> coordinate of the curve&#x2019;s start
* point.
@@ -1421,7 +1527,6 @@ public abstract class CubicCurve2D
return y1;
}
-
/**
* Returns the curve&#x2019;s start point.
*/
@@ -1430,7 +1535,6 @@ public abstract class CubicCurve2D
return new Point2D.Float(x1, y1);
}
-
/**
* Returns the <i>x</i> coordinate of the curve&#x2019;s first
* control point.
@@ -1440,7 +1544,6 @@ public abstract class CubicCurve2D
return ctrlx1;
}
-
/**
* Returns the <i>y</i> coordinate of the curve&#x2019;s first
* control point.
@@ -1450,7 +1553,6 @@ public abstract class CubicCurve2D
return ctrly1;
}
-
/**
* Returns the curve&#x2019;s first control point.
*/
@@ -1459,7 +1561,6 @@ public abstract class CubicCurve2D
return new Point2D.Float(ctrlx1, ctrly1);
}
-
/**
* Returns the <i>s</i> coordinate of the curve&#x2019;s second
* control point.
@@ -1469,7 +1570,6 @@ public abstract class CubicCurve2D
return ctrlx2;
}
-
/**
* Returns the <i>y</i> coordinate of the curve&#x2019;s second
* control point.
@@ -1479,7 +1579,6 @@ public abstract class CubicCurve2D
return ctrly2;
}
-
/**
* Returns the curve&#x2019;s second control point.
*/
@@ -1488,7 +1587,6 @@ public abstract class CubicCurve2D
return new Point2D.Float(ctrlx2, ctrly2);
}
-
/**
* Returns the <i>x</i> coordinate of the curve&#x2019;s end
* point.
@@ -1498,7 +1596,6 @@ public abstract class CubicCurve2D
return x2;
}
-
/**
* Returns the <i>y</i> coordinate of the curve&#x2019;s end
* point.
@@ -1508,7 +1605,6 @@ public abstract class CubicCurve2D
return y2;
}
-
/**
* Returns the curve&#x2019;s end point.
*/
@@ -1517,7 +1613,6 @@ public abstract class CubicCurve2D
return new Point2D.Float(x2, y2);
}
-
/**
* Changes the curve geometry, separately specifying each coordinate
* value as a double-precision floating-point number.
@@ -1562,7 +1657,6 @@ public abstract class CubicCurve2D
this.y2 = (float) y2;
}
-
/**
* Changes the curve geometry, separately specifying each coordinate
* value as a single-precision floating-point number.
@@ -1594,8 +1688,8 @@ public abstract class CubicCurve2D
* @param y2 the <i>y</i> coordinate of the curve&#x2019;s new end
* point.
*/
- public void setCurve(float x1, float y1, float cx1, float cy1,
- float cx2, float cy2, float x2, float y2)
+ public void setCurve(float x1, float y1, float cx1, float cy1, float cx2,
+ float cy2, float x2, float y2)
{
this.x1 = x1;
this.y1 = y1;
@@ -1607,7 +1701,6 @@ public abstract class CubicCurve2D
this.y2 = y2;
}
-
/**
* Determines the smallest rectangle that encloses the
* curve&#x2019;s start, end and control points. As the