// $Id: sgbitmap.h 1664 2006-08-04 10:06:16Z gerry $ /* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE ================================XARAHEADERSTART=========================== Xara LX, a vector drawing and manipulation program. Copyright (C) 1993-2006 Xara Group Ltd. Copyright on certain contributions may be held in joint with their respective authors. See AUTHORS file for details. LICENSE TO USE AND MODIFY SOFTWARE ---------------------------------- This file is part of Xara LX. Xara LX is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. Xara LX and its component source files are distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. 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Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK. http://www.xara.com/ =================================XARAHEADEREND============================ */ // SGBitmap.h - the BitmapSGallery (Bitmap SuperGallery) class #ifndef INC_SGBASE #define INC_SGBASE //#include "sgallery.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "sgtree.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "dragbmp.h" #include "sgdrag.h" //#include "bmpsdlg.h" const INT32 SG_DefaultSmallBmp = 64000; const INT32 SG_DefaultSmallBmpText = 80000; const INT32 SG_DefaultLargeBmp = 96000; const INT32 SG_DefaultLargeBmpText = 120000; class Bitmap; class KernelBitmap; class BmpDlgParam; class SGDisplayKernelBitmap; /******************************************************************************************** > class GalleryBitmapDragInfo : public BitmapDragInformation Author: Will_Cowling (Xara Group Ltd) Created: 19/3/95 Purpose: A bitmap drag, which was started from the bitmap gallery SeeAlso: BitmapDragInformation ********************************************************************************************/ class GalleryBitmapDragInfo : public BitmapDragInformation { CC_DECLARE_DYNCREATE(GalleryBitmapDragInfo) public: GalleryBitmapDragInfo(); GalleryBitmapDragInfo( SGDisplayKernelBitmap *pSourceItem, SGMouseInfo *pMouseInfo, SGMiscInfo *pMiscInfo, BOOL IsAdjust = FALSE); ~GalleryBitmapDragInfo(); virtual void OnClick(INT32 Flags, POINT Point); virtual UINT32 GetCursorID(DragTarget* pDragTarget); virtual BOOL GetStatusLineText(String_256 * TheText, DragTarget* pDragTarget); virtual BOOL CanDropOnPage() { return TRUE; } virtual BOOL OnPageDrop(ViewDragTarget*); SGDisplayKernelBitmap* GetDraggedBitmap() { return(SourceItem); } protected: SGDisplayKernelBitmap* SourceItem; SGMouseInfo MouseInfo; SGMiscInfo MiscInfo; }; /********************************************************************************************* > class SGBitmapDragTarget : public SGListDragTarget Author: Will_Cowling (Xara Group Ltd) Created: 25/3/95 Purpose: An instantiation of this class is created by each entity which wishes to provide a 'destination' to which the mouse can go to complete a drag. This particular target is used for handling drags of BitmapSGalllery items within their displayed list. It automatically handles drags with draginfo derived from BitmapDragInformation. Notes: Drag targets are destructed automatically when a drag finishes by the drag manager with which they were registered. To remove a drag target at any time, destruct it - it automatically deregisters and cleans up. SeeAlso: DragManagerOp::StartDrag; DragInformation; DragTarget; SGBitmapDragTarget::ProcessEvent Documentation: Docs\Specs\DragMan.doc; Docs\HowToUse\SGallery.doc *********************************************************************************************/ class SGBitmapDragTarget : public SGListDragTarget { friend class DragManagerOp; CC_DECLARE_DYNAMIC(SGBitmapDragTarget) public: // Public interface SGBitmapDragTarget(DialogOp *TheDialog, CGadgetID TheGadget = NULL); protected: // Process a drag-related event virtual BOOL ProcessEvent(DragEventType Event, DragInformation *pDragInfo, OilCoord *pMousePos, KeyPress* pKeyPress); }; /*********************************************************************************************** > class SGDisplayKernelBitmap : public SGDisplayItem Author: Will_Cowling (Xara Group Ltd) (Based on template code by Jason) Created: 27/01/95 Purpose: This DisplayTree node is used by the Bitmap SuperGallery It is responsible for providing the ability to handle/redraw one KernelBitmap displayed in said gallery. SeeAlso: BitmapSGallery; SuperGallery; SGDisplayItem ***********************************************************************************************/ class CCAPI SGDisplayKernelBitmap : public SGDisplayItem { CC_DECLARE_DYNAMIC(SGDisplayKernelBitmap); public: SGDisplayKernelBitmap(); SGDisplayKernelBitmap(KernelBitmap *KernelBitmapToDisplay); virtual BOOL HandleEvent(SGEventType EventType, void *EventInfo, SGMiscInfo *MiscInfo); virtual void DragWasReallyAClick(SGMouseInfo *Mouse, SGMiscInfo *MiscInfo); // Special handler called by GalleryColourDragInfo when a drag turns out to be a click virtual void GetNameText(String_256 *Result); virtual void GetFullInfoText(String_256 *Result); // Read the name and full-information text for this item virtual void MoveAfter(SGDisplayNode *NodeToMove); virtual void MoveBefore(SGDisplayNode *NodeToMove); // Move items around in the tree, and also move the original in the bitmap list // Status line help for bitmap item virtual BOOL GetStatusLineHelp(DocCoord *MousePos, String_256 *Result); protected: // Internal handlers virtual void CalculateMyRect(SGFormatInfo *FormatInfo, SGMiscInfo *MiscInfo); // Determines item size for the current DisplayMode and calculates FormatRect virtual void HandleRedraw(SGRedrawInfo *RedrawInfo, SGMiscInfo *MiscInfo); // Redraws the item into the current FormatRect public: // Specialisations of this class inline KernelBitmap *GetDisplayedKernelBitmap(void); private: // Special member variables KernelBitmap *TheKernelBitmap; }; /******************************************************************************************** > inline KernelBitmap *SGDisplayKernelBitmap::GetDisplayedKernelBitmap(void) Author: Will_Cowling (Xara Group Ltd) (Based on template code by Jason) Created: 27/1/95 Returns: A pointer to the KernelBitmap which this Display Item is used to display. Purpose: To find out the KernelBitmap this object is responsible for displaying ********************************************************************************************/ KernelBitmap *SGDisplayKernelBitmap::GetDisplayedKernelBitmap(void) { return(TheKernelBitmap); } /*********************************************************************************************** > class BitmapSGallery : public SuperGallery Author: Will_Cowling (Xara Group Ltd) (Based on template code by Jason) Created: 27/1/95 (Based on the Colour SGallery code) Purpose: The Bitmap SuperGallery class Notes: SuperGalleries are specced in a number of docs including specs\sgallery.doc ("super" gallery extensions) specs\propui.doc (gallery basic ui) There is also howtouse\sgallery.doc which describes creating a supergallery SeeAlso: SuperGallery; SGDisplayBitmap ***********************************************************************************************/ class BitmapSGallery : public SuperGallery { CC_DECLARE_DYNCREATE(BitmapSGallery) public: BitmapSGallery(); ~BitmapSGallery(); virtual MsgResult Message(Msg* Message); virtual void SelectionHasChanged(void); virtual SGDisplayItem *CopyDisplayItem(SGDisplayItem *SourceItem, SGDisplayGroup *DestGroup, SGDisplayItem *TargetPosition = NULL); // Asks the gallery to copy (or if appropriate, move) the given item to // the given group. This hould be done by copying the given item, and // then calling InsertCopiedItem() to insert it appropriately (see above) protected: // Overridden upcall methods virtual BOOL PreCreate(void); virtual BOOL ApplyAction(SGActionType Action); virtual void HandleDragStart(DragMessage *DragMsg); virtual RenderRegion *CreateRenderRegion(DocRect *VirtualSize, ReDrawInfoType *DlgRedrawInfo); virtual void DestroyRenderRegion(RenderRegion *pRender); virtual void DoShadeGallery(BOOL ShadeIt); // Called by SuperGallery::ShadeGallery to allow the derived gallery to add code // to shade/unshade any extra controls it may have in the window public: // Overridden Command interface (for Ops and menu support) virtual BOOL PreContextMenu(void); // Give the gallery a chance to do something before popping up the context menu // At present, used by the bitmap gallery to ensure that the plug-ins have all // been parsed. virtual BOOL InitMenuCommands(void); // Called on startup to initialise any desired menu commands. Will make repeated calls // to InitMenuCommand(), below. virtual BOOL BuildCommandMenu(GalleryContextMenu *TheMenu, SGMenuID MenuID); // Builds the command menu for the given menu pop-up (over an item, or options button) virtual OpState GetCommandState(StringBase *CommandID, String_256 *ShadeReason); // Returns an OpState indicating the state of this command, much like an Op GetState virtual void DoCommand(StringBase *CommandID); // Attempts to "do" the given command. Should call down to the base class to handle // any commands it can't deal with. protected: // Personal/Internal methods void CreateNewSubtree(Document *ParentDoc, SGDisplayGroup *ExistingGroup = NULL); // Creates a new subtree group to display the Bitmaps for the given document // If ExistingGroup != NULL, that group will be re-cached for the given doc KernelBitmap* GetSelectedBitmap(); BOOL GetSelectedBitmaps(KernelBitmap*** pOutputArray, UINT32* pOutputCount); public: BOOL HasDelayValueChanged (); //BOOL AreDelayValuesSame(); //UINT32 GetBitmapDelay(); BOOL IsJPEG(KernelBitmap** pList,UINT32 ListSize, BmpDlgParam* Param, INT32* pBytes); protected: BOOL DeleteSelection(); KernelBitmap* CheckTextureBitmap(KernelBitmap* pBitmap); BOOL FindCentreInsertionPosition(Spread** Spread, DocCoord* Position); void SetSelectionFromDocument(BOOL AlwaysScroll = FALSE); BOOL GetBmpInfo(BmpDlgParam* Param); BOOL SetBmpInfo(BmpDlgParam* Param); public: static BOOL IgnoreBmpListChange; }; //------------------------------------------------------------------------------- //------------------------------------------------------------------------------- //------------------------------------------------------------------------------- //------------------------------------------------------------------------------- // Optoken for the display bitmap gallery operation #define OPTOKEN_DISPLAYBITMAPGALLERY _T("DisplayBitmapGallery") /******************************************************************************************** > class OpDisplayBitmapGallery: public Operation Author: Will_Cowling (Xara Group Ltd) Created: 31/1/95 Purpose: Displays the bitmap gallery. This op can be attached to a menu, button or keypress SeeAlso: - ********************************************************************************************/ class CCAPI OpDisplayBitmapGallery: public Operation { CC_DECLARE_DYNCREATE( OpDisplayBitmapGallery ); public: static BOOL Init(); static OpState GetState(String_256*, OpDescriptor*); void Do(OpDescriptor*); }; #endif