comparison: plugins/crazychat/camdata.c
plugins/crazychat/camdata.c
- changeset 11218
- 886e6862af56
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| 11217:771bd94e6eec | 11218:886e6862af56 |
|---|---|
| 1 /* | |
| 2 * camdata.c | |
| 3 * basecame | |
| 4 * | |
| 5 * Created by CS194 on Mon Apr 26 2004. | |
| 6 * Copyright (c) 2004 __MyCompanyName__. All rights reserved. | |
| 7 * | |
| 8 */ | |
| 9 | |
| 10 #include "camdata.h" | |
| 11 //#include "AppBlit_Component.h" | |
| 12 #include "QTUtilities.h" | |
| 13 #include "Utilities.h" | |
| 14 | |
| 15 | |
| 16 #define BailNULL(n) if (!n) goto bail; | |
| 17 #define BailError(n) if (n) goto bail; | |
| 18 #define BailNil(n) if (!n) goto bail; | |
| 19 #define BailErr(x) {if (x != noErr) goto bail;} | |
| 20 #define bitdepth 32 | |
| 21 | |
| 22 mungDataPtr myMungData = NULL; | |
| 23 long mWorlds[20]; | |
| 24 UInt32 mRedCount[256], mGreenCound[256], mBlueCount[256]; | |
| 25 | |
| 26 static void DecompressSequencePreflight(GWorldPtr srcGWorld, | |
| 27 ImageSequence *imageSeq, | |
| 28 GWorldPtr destGWorld, | |
| 29 Rect *srcRect); | |
| 30 //static void DrawRGBHistogram(mungDataRecord *theMungData); | |
| 31 //static void CreateEffectDescription(mungDataRecord *theMungData); | |
| 32 //static void CreateEffectDecompSequence(mungDataRecord *theMungData); | |
| 33 //static void AddGWorldDataSourceToEffectDecompSeq(mungDataRecord *theMungData); | |
| 34 //static void MakeEffectTimeBaseForEffect(mungDataRecord *theMungData); | |
| 35 //static void DrawUsingEffect(mungDataRecord *theMungData); | |
| 36 | |
| 37 | |
| 38 OSErr InitializeMungData(Rect bounds) | |
| 39 { | |
| 40 OSErr err = noErr; | |
| 41 | |
| 42 if(myMungData) | |
| 43 { | |
| 44 DisposeMungData(); | |
| 45 } | |
| 46 | |
| 47 myMungData = (mungDataPtr)NewPtrClear(sizeof(mungDataRecord)); | |
| 48 if (myMungData == nil) | |
| 49 { | |
| 50 err = MemError(); | |
| 51 goto bail; | |
| 52 } | |
| 53 | |
| 54 myMungData->effect = 0; // always | |
| 55 | |
| 56 | |
| 57 BailErr(QTNewGWorld(&(myMungData->gw),bitdepth,&bounds,0,0,0)); | |
| 58 LockPixels(GetGWorldPixMap(myMungData->gw)); | |
| 59 | |
| 60 SetMungDataColorDefaults(); | |
| 61 | |
| 62 | |
| 63 | |
| 64 myMungData->selectedIndex = 0; | |
| 65 myMungData->overlay = NULL; | |
| 66 | |
| 67 SetCurrentClamp(-1); | |
| 68 | |
| 69 | |
| 70 | |
| 71 myMungData->bounds = bounds; | |
| 72 | |
| 73 SetRect(&bounds, 0, 0, 256*2+4, 128*3 + 20); | |
| 74 BailErr(QTNewGWorld(&(myMungData->histoWorld),bitdepth,&bounds,0,0,0)); | |
| 75 LockPixels(GetGWorldPixMap(myMungData->histoWorld)); | |
| 76 | |
| 77 bail: | |
| 78 return err; | |
| 79 } | |
| 80 | |
| 81 OSErr DisposeMungData(void) | |
| 82 { // check this out | |
| 83 OSErr err = noErr; | |
| 84 | |
| 85 if(myMungData) | |
| 86 { | |
| 87 //if(myMungData->drawSeq) | |
| 88 //{ | |
| 89 // CDSequenceEnd(myMungData->drawSeq); | |
| 90 //} | |
| 91 | |
| 92 if(myMungData->gw) | |
| 93 { | |
| 94 DisposeGWorld(myMungData->gw); | |
| 95 myMungData->gw = nil; | |
| 96 } | |
| 97 | |
| 98 if(myMungData->overlay) | |
| 99 { | |
| 100 DisposeGWorld(myMungData->overlay); | |
| 101 myMungData->overlay = nil; | |
| 102 } | |
| 103 | |
| 104 if(myMungData->histoWorld) | |
| 105 { | |
| 106 DisposeGWorld(myMungData->histoWorld); | |
| 107 myMungData->histoWorld = nil; | |
| 108 } | |
| 109 | |
| 110 if (myMungData->effectTimeBase) | |
| 111 { | |
| 112 DisposeTimeBase(myMungData->effectTimeBase); | |
| 113 } | |
| 114 if (myMungData->effectParams) | |
| 115 { | |
| 116 QTDisposeAtomContainer(myMungData->effectParams); | |
| 117 } | |
| 118 if (myMungData->effectDesc) | |
| 119 { | |
| 120 DisposeHandle((Handle)myMungData->effectDesc); | |
| 121 } | |
| 122 | |
| 123 DisposePtr((Ptr)myMungData); | |
| 124 myMungData = nil; | |
| 125 } | |
| 126 return err; | |
| 127 } | |
| 128 | |
| 129 static void DecompressSequencePreflight(GWorldPtr srcGWorld, | |
| 130 ImageSequence *imageSeq, | |
| 131 GWorldPtr destGWorld, | |
| 132 Rect *srcRect) | |
| 133 // might not need this one | |
| 134 | |
| 135 { | |
| 136 ImageDescriptionHandle imageDesc = nil; | |
| 137 | |
| 138 BailErr(MakeImageDescriptionForPixMap (GetGWorldPixMap(srcGWorld), &imageDesc)); | |
| 139 | |
| 140 // use our built-in decompressor to draw | |
| 141 // (**imageDesc).cType = kCustomDecompressorType; | |
| 142 | |
| 143 // *********** MIGHT BE MAKING A BIG MISTAKE ****************** | |
| 144 // pass a compressed sample so a codec can perform preflighting before the first DecompressSequenceFrameWhen call | |
| 145 | |
| 146 BailErr(DecompressSequenceBegin(imageSeq, | |
| 147 imageDesc, | |
| 148 destGWorld, | |
| 149 0, | |
| 150 srcRect, | |
| 151 nil, | |
| 152 srcCopy, | |
| 153 nil, | |
| 154 0, | |
| 155 codecNormalQuality, | |
| 156 bestSpeedCodec)); | |
| 157 | |
| 158 bail: | |
| 159 if (imageDesc) | |
| 160 { | |
| 161 DisposeHandle((Handle)imageDesc); | |
| 162 } | |
| 163 } | |
| 164 | |
| 165 ImageSequence GetMungDataDrawSeq() | |
| 166 { | |
| 167 return myMungData->drawSeq; | |
| 168 } | |
| 169 | |
| 170 void SetMungDataColorDefaults() | |
| 171 { | |
| 172 if(myMungData) | |
| 173 { | |
| 174 myMungData->redMin = 2; | |
| 175 myMungData->redMax = 254; | |
| 176 myMungData->greenMin = 2; | |
| 177 myMungData->greenMax = 254; | |
| 178 myMungData->blueMin = 2; | |
| 179 myMungData->blueMax = 254; | |
| 180 } | |
| 181 } | |
| 182 | |
| 183 void GetMungDataBoundsRect(Rect *boundsRect) | |
| 184 // might not need this one | |
| 185 { | |
| 186 MacSetRect (boundsRect, | |
| 187 myMungData->bounds.left, | |
| 188 myMungData->bounds.top, | |
| 189 myMungData->bounds.right, | |
| 190 myMungData->bounds.bottom | |
| 191 ); | |
| 192 } | |
| 193 | |
| 194 void SetCurrentClamp(short index) // :crazy:20040426 | |
| 195 { | |
| 196 myMungData->selectedIndex = index; | |
| 197 } | |
| 198 | |
| 199 GWorldPtr GetMungDataOffscreen() | |
| 200 { | |
| 201 return (myMungData->gw); | |
| 202 } | |
| 203 | |
| 204 void SetMungDataDrawSeq(ImageSequence theDrawSeq) | |
| 205 { | |
| 206 myMungData->drawSeq = theDrawSeq; | |
| 207 } | |
| 208 | |
| 209 | |
| 210 CGrafPtr GetMungDataWindowPort() | |
| 211 { | |
| 212 return GetWindowPort(myMungData->window); | |
| 213 } |
