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1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: animate.h | |
3 | // Purpose: Animation classes | |
4 | // Author: Julian Smart and Guillermo Rodriguez Garcia | |
5 | // Modified by: | |
6 | // Created: 13/8/99 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart and Guillermo Rodriguez Garcia | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifndef _WX_ANIMATEH__ | |
13 | #define _WX_ANIMATEH__ | |
14 | ||
ab7ce33c | 15 | #if defined(__GNUG__) && !defined(__APPLE__) |
4638d697 JS |
16 | #pragma interface "animate.h" |
17 | #endif | |
18 | ||
19 | #include <wx/defs.h> | |
20 | #include <wx/string.h> | |
21 | #include <wx/gdicmn.h> | |
22 | #include <wx/list.h> | |
23 | #include <wx/timer.h> | |
10217444 VS |
24 | #include <wx/bitmap.h> |
25 | #include <wx/colour.h> | |
26 | #include <wx/control.h> | |
27 | ||
28 | #ifdef WXMAKINGDLL_ANIMATE | |
29 | #define WXDLLIMPEXP_ANIMATE WXEXPORT | |
30 | #elif defined(WXUSINGDLL) | |
31 | #define WXDLLIMPEXP_ANIMATE WXIMPORT | |
32 | #else // not making nor using DLL | |
33 | #define WXDLLIMPEXP_ANIMATE | |
34 | #endif | |
4638d697 | 35 | |
10217444 VS |
36 | class WXDLLIMPEXP_ANIMATE wxAnimationBase; |
37 | class WXDLLIMPEXP_ANIMATE wxAnimationPlayer; | |
4638d697 JS |
38 | class WXDLLEXPORT wxImage; |
39 | ||
40 | enum wxAnimationDisposal | |
41 | { | |
42 | wxANIM_UNSPECIFIED = -1, | |
43 | wxANIM_DONOTREMOVE = 0, | |
44 | wxANIM_TOBACKGROUND = 1, | |
45 | wxANIM_TOPREVIOUS = 2 | |
46 | } ; | |
47 | ||
10217444 | 48 | class WXDLLIMPEXP_ANIMATE wxAnimationTimer: public wxTimer |
4638d697 JS |
49 | { |
50 | public: | |
51 | wxAnimationTimer() { m_player = (wxAnimationPlayer*) NULL; } | |
52 | ||
53 | virtual void Notify(); | |
54 | void SetPlayer(wxAnimationPlayer* player) { m_player = player; } | |
55 | ||
56 | protected: | |
57 | wxAnimationPlayer* m_player; | |
58 | }; | |
59 | ||
60 | /* wxAnimationPlayer | |
10217444 VS |
61 | * Create an object of this class, and either pass an wxXXXAnimation object in |
62 | * the constructor, or call SetAnimation. Then call Play(). The wxAnimation | |
63 | * object is only destroyed in the destructor if destroyAnimation is TRUE in | |
64 | * the constructor. | |
4638d697 JS |
65 | */ |
66 | ||
10217444 | 67 | class WXDLLIMPEXP_ANIMATE wxAnimationPlayer : public wxObject |
4638d697 JS |
68 | { |
69 | DECLARE_CLASS(wxAnimationPlayer) | |
70 | ||
71 | public: | |
72 | wxAnimationPlayer(wxAnimationBase *animation = (wxAnimationBase *) NULL, bool destroyAnimation = FALSE); | |
73 | ~wxAnimationPlayer(); | |
74 | //// Accessors | |
75 | ||
76 | void SetAnimation(wxAnimationBase* animation, bool destroyAnimation = FALSE); | |
77 | wxAnimationBase* GetAnimation() const { return m_animation; } | |
78 | ||
79 | void SetDestroyAnimation(bool destroyAnimation) { m_destroyAnimation = destroyAnimation; }; | |
80 | bool GetDestroyAnimation() const { return m_destroyAnimation; } | |
81 | ||
82 | void SetCurrentFrame(int currentFrame) { m_currentFrame = currentFrame; }; | |
83 | int GetCurrentFrame() const { return m_currentFrame; } | |
84 | ||
85 | void SetWindow(wxWindow* window) { m_window = window; }; | |
86 | wxWindow* GetWindow() const { return m_window; } | |
87 | ||
88 | void SetPosition(const wxPoint& pos) { m_position = pos; }; | |
89 | wxPoint GetPosition() const { return m_position; } | |
90 | ||
91 | void SetLooped(bool looped) { m_looped = looped; }; | |
92 | bool GetLooped() const { return m_looped; } | |
93 | ||
94 | bool HasAnimation() const { return (m_animation != (wxAnimationBase*) NULL); } | |
95 | ||
96 | bool IsPlaying() const { return m_isPlaying; } | |
97 | ||
98 | // Specify whether the GIF's background colour is to be shown, | |
99 | // or whether the window background should show through (the default) | |
100 | void UseBackgroundColour(bool useBackground) { m_useBackgroundColour = useBackground; } | |
101 | bool UsingBackgroundColour() const { return m_useBackgroundColour; } | |
102 | ||
103 | // Set and use a user-specified background colour (valid for transparent | |
104 | // animations only) | |
105 | void SetCustomBackgroundColour(const wxColour& col, bool useCustomBackgroundColour = TRUE) | |
106 | { m_customBackgroundColour = col; m_useCustomBackgroundColour = useCustomBackgroundColour; } | |
107 | ||
108 | bool UsingCustomBackgroundColour() const { return m_useCustomBackgroundColour; } | |
109 | const wxColour& GetCustomBackgroundColour() const { return m_customBackgroundColour; } | |
110 | ||
111 | // Another refinement - suppose we're drawing the animation in a separate | |
112 | // control or window. We may wish to use the background of the parent | |
113 | // window as the background of our animation. This allows us to specify | |
114 | // whether to grab from the parent or from this window. | |
115 | void UseParentBackground(bool useParent) { m_useParentBackground = useParent; } | |
116 | bool UsingParentBackground() const { return m_useParentBackground; } | |
117 | ||
118 | //// Operations | |
119 | ||
120 | // Play | |
121 | virtual bool Play(wxWindow& window, const wxPoint& pos = wxPoint(0, 0), bool looped = TRUE); | |
122 | ||
123 | // Build animation (list of wxImages). If not called before Play | |
124 | // is called, Play will call this automatically. | |
125 | virtual bool Build(); | |
126 | ||
127 | // Stop the animation | |
128 | virtual void Stop(); | |
129 | ||
130 | // Draw the current view of the animation into this DC. | |
131 | // Call this from your OnPaint, for example. | |
132 | virtual void Draw(wxDC& dc); | |
133 | ||
134 | //// Accessing the current animation | |
135 | ||
136 | virtual int GetFrameCount() const; | |
137 | virtual wxImage* GetFrame(int i) const; // Creates a new wxImage | |
138 | virtual wxAnimationDisposal GetDisposalMethod(int i) const; | |
139 | virtual wxRect GetFrameRect(int i) const; // Position and size of frame | |
140 | virtual int GetDelay(int i) const; // Delay for this frame | |
141 | ||
142 | virtual wxSize GetLogicalScreenSize() const; | |
143 | virtual bool GetBackgroundColour(wxColour& col) const ; | |
144 | virtual bool GetTransparentColour(wxColour& col) const ; | |
145 | ||
146 | //// Implementation | |
147 | ||
148 | // Play the frame | |
b71e94da | 149 | virtual bool PlayFrame(int frame, wxWindow& window, const wxPoint& pos); |
4638d697 JS |
150 | virtual bool PlayFrame(); |
151 | virtual void DrawFrame(int frame, wxDC& dc, const wxPoint& pos); | |
152 | virtual void DrawBackground(wxDC& dc, const wxPoint& pos, const wxColour& colour); | |
153 | ||
154 | // Clear the wxImage cache | |
155 | virtual void ClearCache(); | |
156 | ||
157 | // Save the pertinent area of the window so we can restore | |
158 | // it if drawing transparently | |
159 | void SaveBackground(const wxRect& rect); | |
160 | ||
161 | wxBitmap& GetBackingStore() { return m_backingStore; } | |
162 | ||
163 | //// Data members | |
164 | protected: | |
165 | wxAnimationBase* m_animation; | |
166 | bool m_destroyAnimation; // Destroy m_animation on deletion of this object | |
167 | wxList m_frames; // List of cached wxBitmap frames. | |
168 | int m_currentFrame; // Current frame | |
169 | wxWindow* m_window; // Window to draw into | |
170 | wxPoint m_position; // Position to draw at | |
171 | bool m_looped; // Looped, or not | |
172 | wxAnimationTimer m_timer; // The timer | |
173 | bool m_isPlaying; // Is the animation playing? | |
174 | wxBitmap m_savedBackground; // Saved background of window portion | |
175 | wxBitmap m_backingStore; // The player draws into this | |
176 | bool m_useBackgroundColour; // Use colour or background | |
177 | wxColour m_customBackgroundColour; // Override animation background | |
178 | bool m_useCustomBackgroundColour; | |
179 | bool m_useParentBackground; // Grab background from parent? | |
180 | }; | |
181 | ||
182 | /* wxAnimationBase | |
183 | * Base class for animations. | |
10217444 VS |
184 | * A wxXXXAnimation only stores the animation, providing accessors to |
185 | * wxAnimationPlayer. Currently an animation is read-only, but we could | |
186 | * extend the API for adding frames programmatically, and perhaps have a | |
187 | * wxMemoryAnimation class that stores its frames in memory, and is able to | |
188 | * save all files with suitable filenames. You could then use e.g. Ulead GIF | |
189 | * Animator to load the image files into a GIF animation. | |
4638d697 JS |
190 | */ |
191 | ||
10217444 | 192 | class WXDLLIMPEXP_ANIMATE wxAnimationBase : public wxObject |
4638d697 JS |
193 | { |
194 | DECLARE_ABSTRACT_CLASS(wxAnimationBase) | |
195 | ||
196 | public: | |
197 | wxAnimationBase() {}; | |
198 | ~wxAnimationBase() {}; | |
199 | ||
200 | //// Accessors. Should be overridden by each derived class. | |
201 | ||
202 | virtual int GetFrameCount() const = 0; | |
203 | virtual wxImage* GetFrame(int i) const = 0; // Creates a new wxImage | |
204 | virtual wxAnimationDisposal GetDisposalMethod(int i) const = 0; | |
205 | virtual wxRect GetFrameRect(int i) const = 0; // Position and size of frame | |
206 | virtual int GetDelay(int i) const = 0; // Delay for this frame | |
207 | ||
208 | virtual wxSize GetLogicalScreenSize() const = 0; | |
209 | virtual bool GetBackgroundColour(wxColour& col) const = 0; | |
210 | virtual bool GetTransparentColour(wxColour& col) const = 0; | |
211 | ||
212 | // Is the animation OK? | |
213 | virtual bool IsValid() const = 0; | |
214 | ||
215 | //// Operations | |
216 | ||
5a332fb5 | 217 | virtual bool LoadFile(const wxString& WXUNUSED(filename)) { return FALSE; } |
4638d697 JS |
218 | }; |
219 | ||
220 | /* wxGIFAnimation | |
221 | * This will be moved to a separate file in due course. | |
222 | */ | |
223 | ||
10217444 | 224 | class WXDLLIMPEXP_ANIMATE wxGIFDecoder; |
4638d697 | 225 | |
10217444 | 226 | class WXDLLIMPEXP_ANIMATE wxGIFAnimation : public wxAnimationBase |
4638d697 JS |
227 | { |
228 | DECLARE_CLASS(wxGIFAnimation) | |
229 | ||
230 | public: | |
231 | wxGIFAnimation() ; | |
232 | ~wxGIFAnimation() ; | |
233 | ||
234 | //// Accessors | |
235 | ||
236 | virtual int GetFrameCount() const; | |
237 | virtual wxImage* GetFrame(int i) const; | |
238 | virtual wxAnimationDisposal GetDisposalMethod(int i) const; | |
239 | virtual wxRect GetFrameRect(int i) const; // Position and size of frame | |
240 | virtual int GetDelay(int i) const; // Delay for this frame | |
241 | ||
242 | virtual wxSize GetLogicalScreenSize() const ; | |
243 | virtual bool GetBackgroundColour(wxColour& col) const ; | |
244 | virtual bool GetTransparentColour(wxColour& col) const ; | |
245 | ||
246 | virtual bool IsValid() const; | |
247 | ||
248 | //// Operations | |
249 | ||
250 | virtual bool LoadFile(const wxString& filename); | |
251 | ||
252 | protected: | |
253 | ||
254 | wxGIFDecoder* m_decoder; | |
255 | }; | |
256 | ||
257 | /* | |
258 | * wxAnimationCtrlBase | |
259 | * Abstract base class for format-specific animation controls. | |
260 | * This class implements most of the functionality; all a derived | |
261 | * class has to do is create the appropriate animation class on demand. | |
262 | */ | |
263 | ||
264 | // Resize to animation size if this is set | |
265 | #define wxAN_FIT_ANIMATION 0x0010 | |
266 | ||
10217444 | 267 | class WXDLLIMPEXP_ANIMATE wxAnimationCtrlBase: public wxControl |
4638d697 JS |
268 | { |
269 | public: | |
270 | wxAnimationCtrlBase() { } | |
271 | wxAnimationCtrlBase(wxWindow *parent, wxWindowID id, | |
272 | const wxString& filename = wxEmptyString, | |
273 | const wxPoint& pos = wxDefaultPosition, | |
274 | const wxSize& size = wxDefaultSize, long style = wxAN_FIT_ANIMATION|wxNO_BORDER, | |
275 | const wxString& name = wxT("animationControl")) | |
276 | { | |
277 | Create(parent, id, filename, pos, size, style, name); | |
278 | } | |
279 | ~wxAnimationCtrlBase(); | |
280 | ||
281 | bool Create(wxWindow *parent, wxWindowID id, | |
282 | const wxString& filename = wxEmptyString, | |
283 | const wxPoint& pos = wxDefaultPosition, | |
284 | const wxSize& size = wxDefaultSize, long style = wxAN_FIT_ANIMATION|wxNO_BORDER, | |
285 | const wxString& name = wxT("animationControl")); | |
286 | ||
287 | //// Operations | |
288 | virtual bool LoadFile(const wxString& filename = wxEmptyString); | |
289 | virtual bool Play(bool looped = TRUE) ; | |
290 | virtual void Stop() { m_animationPlayer.Stop(); } | |
291 | virtual void FitToAnimation(); | |
292 | ||
293 | //// Accessors | |
294 | virtual bool IsPlaying() const { return m_animationPlayer.IsPlaying(); } | |
295 | virtual wxAnimationPlayer& GetPlayer() { return m_animationPlayer; } | |
296 | virtual wxAnimationBase* GetAnimation() { return m_animation; } | |
297 | ||
298 | const wxString& GetFilename() const { return m_filename; } | |
299 | void SetFilename(const wxString& filename) { m_filename = filename; } | |
300 | ||
301 | //// Event handlers | |
302 | void OnPaint(wxPaintEvent& event); | |
303 | ||
304 | protected: | |
305 | virtual wxSize DoGetBestSize() const; | |
306 | ||
307 | // Override this in derived classes | |
308 | virtual wxAnimationBase* DoCreateAnimation(const wxString& filename) = 0; | |
309 | ||
310 | wxAnimationPlayer m_animationPlayer; | |
311 | wxAnimationBase* m_animation; | |
312 | wxString m_filename; | |
313 | ||
314 | private: | |
315 | DECLARE_ABSTRACT_CLASS(wxAnimationCtrlBase) | |
316 | DECLARE_EVENT_TABLE() | |
317 | }; | |
318 | ||
319 | /* | |
320 | * wxGIFAnimationCtrl | |
321 | * Provides a GIF animation class when required. | |
322 | */ | |
323 | ||
10217444 | 324 | class WXDLLIMPEXP_ANIMATE wxGIFAnimationCtrl: public wxAnimationCtrlBase |
4638d697 JS |
325 | { |
326 | public: | |
327 | wxGIFAnimationCtrl() { } | |
328 | wxGIFAnimationCtrl(wxWindow *parent, wxWindowID id, | |
329 | const wxString& filename = wxEmptyString, | |
330 | const wxPoint& pos = wxDefaultPosition, | |
331 | const wxSize& size = wxDefaultSize, long style = wxAN_FIT_ANIMATION|wxNO_BORDER, | |
332 | const wxString& name = wxT("animationControl")) | |
333 | { | |
334 | Create(parent, id, filename, pos, size, style, name); | |
335 | } | |
336 | ||
337 | protected: | |
338 | virtual wxAnimationBase* DoCreateAnimation(const wxString& filename) ; | |
339 | private: | |
340 | DECLARE_DYNAMIC_CLASS(wxGIFAnimationCtrl) | |
341 | }; | |
342 | ||
343 | #endif // _WX_ANIMATEH__ | |
344 |