1 /*
2 Ming, an SWF output library
3 Copyright (C) 2002 Opaque Industries - http://www.opaque.net/
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20 #include <stdlib.h>
21
22 #include "movieclip.h"
23 #include "blocklist.h"
24 #include "displaylist.h"
25 #include "blocks/soundstream.h"
26 #include "blocks/soundinstance.h"
27 #include "blocks/outputblock.h"
28 #include "blocks/sprite.h"
29 #include "blocks/shape.h"
30 #include "blocks/morph.h"
31 #include "blocks/button.h"
32 #include "blocks/text.h"
33 #include "blocks/scalinggrid.h"
34 #include "libming.h"
35
36 struct SWFMovieClip_s
37 {
38 struct SWFSprite_s sprite;
39
40 SWFBlockList blockList;
41 SWFDisplayList displayList;
42 unsigned short nFrames;
43
44 #if TRACK_ALLOCS
45 /* memory node for garbage collection */
46 mem_node *gcnode;
47 #endif
48 };
49
50 /*
51 * destroy a SWFMovieClip instance
52 */
53 void
destroySWFMovieClip(SWFMovieClip movieClip)54 destroySWFMovieClip(SWFMovieClip movieClip)
55 {
56 #if TRACK_ALLOCS
57 ming_gc_remove_node(movieClip->gcnode);
58 #endif
59
60 destroySWFBlockList(movieClip->blockList);
61 destroySWFDisplayList(movieClip->displayList);
62 destroySWFSprite((SWFSprite)movieClip);
63
64 }
65
66 /*
67 * create a new SWFMovieClip (Sprite) instance
68 * A SWFMovieClip is a movie inside a movie. It supports
69 * adding and removing displayable objects, actions and sound
70 *
71 * returns a SWFMovieClip instance.
72 */
73 SWFMovieClip
newSWFMovieClip()74 newSWFMovieClip()
75 {
76 SWFMovieClip clip = (SWFMovieClip)newSWFSprite();
77 clip = (SWFMovieClip)realloc(clip, sizeof(struct SWFMovieClip_s));
78
79 clip->blockList = newSWFBlockList();
80 clip->displayList = newSWFSpriteDisplayList();
81 #if TRACK_ALLOCS
82 clip->gcnode = ming_gc_add_node(clip, (dtorfunctype) destroySWFMovieClip);
83 #endif
84
85 return clip;
86 }
87
88
89 /*
90 * set the frame count of a movie
91 * This function sets the frame count for the movieclip. If the number of
92 * frames specified here exceeds the number of frame created when adding
93 * content to the movie, then blank frames will be added to the movieclip to
94 * pad it to the specified frame count.
95 */
96 void
SWFMovieClip_setNumberOfFrames(SWFMovieClip clip,int totalFrames)97 SWFMovieClip_setNumberOfFrames(SWFMovieClip clip, int totalFrames)
98 {
99 SWFSprite_setNumberOfFrames((SWFSprite)clip, totalFrames);
100 }
101
102 /*
103 * Includes streaming sound to a movie.
104 * Streaming (embedded) sound is played in sync with movie frames.
105 * The skip parameter describes the time in seconds (float) to be skiped.
106 * The rate parameter describes the parent movies framerate.
107 *
108 * See also SWFMovie_setSoundStream, SWFMovie_setSoundStreamAt, newSWFSoundStream,
109 * SWFMovieClip_setSoundStream
110 */
111 void
SWFMovieClip_setSoundStreamAt(SWFMovieClip clip,SWFSoundStream sound,float rate,float skip)112 SWFMovieClip_setSoundStreamAt(SWFMovieClip clip,
113 SWFSoundStream sound /* soundstream object */,
114 float rate /* framerate */,
115 float skip /* skip in seconds */)
116 {
117 SWFBlock block = SWFSoundStream_getStreamHead(sound, rate, skip);
118
119 if ( block != NULL )
120 {
121 SWFBlockList_addBlock(clip->blockList, block);
122 SWFDisplayList_setSoundStream(clip->displayList, sound);
123 }
124 }
125
126 /*
127 * Includes streaming sound to a movie.
128 * Streaming (embedded) sound is played in sync with movie frames.
129 *
130 * See also SWFMovie_setSoundStream, SWFMovie_setSoundStreamAt, newSWFSoundStream,
131 * SWFMovieClip_setSoundStreamAt
132 */
133 void
SWFMovieClip_setSoundStream(SWFMovieClip clip,SWFSoundStream sound,float rate)134 SWFMovieClip_setSoundStream(SWFMovieClip clip, SWFSoundStream sound, float rate)
135 {
136 SWFMovieClip_setSoundStreamAt(clip, sound, rate, 0);
137 }
138
139
140 /*
141 * Starts playing event-sound (SWFSound)
142 *
143 * returns a SWFSoundInstance object.
144 * see also SWFSoundInstance, SWFSound, SWFMovieClip_stopSound
145 */
146 SWFSoundInstance
SWFMovieClip_startSound(SWFMovieClip clip,SWFSound sound)147 SWFMovieClip_startSound(SWFMovieClip clip, SWFSound sound)
148 {
149 SWFSoundInstance inst = newSWFSoundInstance(sound);
150
151 SWFCharacter_addDependency((SWFCharacter)clip, (SWFCharacter)sound);
152 SWFBlockList_addBlock(clip->blockList, (SWFBlock)inst);
153
154 return inst;
155 }
156
157
158 /*
159 * Stops playing event sound (SWFSound)
160 *
161 * see also SWFSoundInstance, SWFSound, SWFMovieClip_startSound
162 */
163 void
SWFMovieClip_stopSound(SWFMovieClip clip,SWFSound sound)164 SWFMovieClip_stopSound(SWFMovieClip clip, SWFSound sound)
165 {
166 SWFCharacter_addDependency((SWFCharacter)clip, (SWFCharacter)sound);
167
168 SWFBlockList_addBlock(clip->blockList,
169 (SWFBlock)newSWFSoundInstance_stop(sound));
170 }
171
172 /*
173 * Adds a block to a movie.
174 * This function adds a block or character to a movieclip.
175 * returns a SWFDisplayItem
176 */
177 SWFDisplayItem
SWFMovieClip_add(SWFMovieClip clip,SWFBlock block)178 SWFMovieClip_add(SWFMovieClip clip, SWFBlock block)
179 {
180 if ( SWFBlock_getType(block) == SWF_DEFINEBITS ||
181 SWFBlock_getType(block) == SWF_DEFINEBITSJPEG2 ||
182 SWFBlock_getType(block) == SWF_DEFINEBITSJPEG3 ||
183 SWFBlock_getType(block) == SWF_DEFINELOSSLESS ||
184 SWFBlock_getType(block) == SWF_DEFINELOSSLESS2 )
185 {
186 block = (SWFBlock)newSWFShapeFromBitmap((SWFBitmap)block, SWFFILL_TILED_BITMAP);
187 }
188
189 if ( SWFBlock_isCharacter(block) )
190 {
191 SWFCharacter_getDependencies((SWFCharacter)block,
192 &CHARACTER(clip)->dependencies,
193 &CHARACTER(clip)->nDependencies);
194
195 SWFCharacter_addDependency((SWFCharacter)clip, (SWFCharacter)block);
196
197 SWFCharacter_setFinished((SWFCharacter)block);
198
199 return SWFDisplayList_add(clip->displayList, clip->blockList, (SWFCharacter)block);
200 }
201 else
202 {
203 /* XXX - make sure it's a legit block for a sprite */
204 SWFBlockList_addBlock(clip->blockList, block);
205 }
206
207 return NULL;
208 }
209
210 /*
211 * Removes a SWFDisplayItem from the movieclips stage.
212 * A SWFDisplayItem stays on stage until it gets removed. This function
213 * removes the item. The item is displayed until the current frame.
214 */
215 void
SWFMovieClip_remove(SWFMovieClip clip,SWFDisplayItem item)216 SWFMovieClip_remove(SWFMovieClip clip, SWFDisplayItem item)
217 {
218 SWFDisplayItem_remove(item);
219 }
220
221 /*
222 * Add a label Frame
223 * This function adds a labelFrame to current frame of the movieclip.
224 */
225 void
SWFMovieClip_labelFrame(SWFMovieClip clip,const char * label)226 SWFMovieClip_labelFrame(SWFMovieClip clip, const char *label)
227 {
228 SWFSprite_addBlock((SWFSprite)clip, (SWFBlock)newSWFFrameLabelBlock(label));
229 }
230
231 /*
232 * Add a new frame to the current movie.
233 * This function adds a new frame to the current movie. All items added, removed
234 * manipulated effect this frame and probably following frames.
235 */
236 void
SWFMovieClip_nextFrame(SWFMovieClip clip)237 SWFMovieClip_nextFrame(SWFMovieClip clip)
238 {
239 SWFDisplayList_writeBlocks(clip->displayList, clip->blockList);
240 SWFBlockList_addToSprite(clip->blockList, (SWFSprite)clip);
241 SWFSprite_addBlock((SWFSprite)clip, newSWFShowFrameBlock());
242 }
243
244
245 /*
246 * set a 9 slice scaling grid to this sprite / movieclip / button
247 * This function sets a 9 slice scaling grid to buttons / sprites / movieclips
248 *
249 * 1 2 3
250 * 4 5 6
251 * 7 8 9
252 *
253 * x, y, w and h define a rectangle, which is the dimension of the center slice (5).
254 * All other slices are determined out of the characters bounds and the defined rect.
255 * While slice 5 is scaled vertical and horizontal, slice 2 and 8 are only scaled horizontal.
256 * slice 4 and 6 only vertical. the 4 corner slices are not scaled (1, 3, 7, 9).
257 */
258 void
SWFMovieClip_setScalingGrid(SWFMovieClip clip,int x,int y,int w,int h)259 SWFMovieClip_setScalingGrid(SWFMovieClip clip, int x, int y, int w, int h)
260 {
261 if(clip->sprite.grid)
262 destroySWFScalingGrid(clip->sprite.grid);
263
264 clip->sprite.grid = newSWFScalingGrid((SWFCharacter)clip, x, y, w, h);
265 }
266
267 /*
268 * removes the scaling grid
269 */
270 void
SWFMovieClip_removeScalingGrid(SWFMovieClip clip)271 SWFMovieClip_removeScalingGrid(SWFMovieClip clip)
272 {
273 if(clip->sprite.grid)
274 {
275 destroySWFScalingGrid(clip->sprite.grid);
276 clip->sprite.grid = NULL;
277 }
278 }
279
280 /*
281 * add an initAction block to a MovieClip
282 *
283 * These actions are executed *before* the MovieClip is available as
284 * a script object.
285 */
286 void
SWFMovieClip_addInitAction(SWFMovieClip clip,SWFAction action)287 SWFMovieClip_addInitAction(SWFMovieClip clip, SWFAction action)
288 {
289 if(clip->sprite.initAction)
290 destroySWFInitAction(clip->sprite.initAction);
291
292 clip->sprite.initAction = newSWFInitAction_MovieClip(clip, action);
293 }
294 /*
295 * Local variables:
296 * tab-width: 2
297 * c-basic-offset: 2
298 * End:
299 */
300