1 | # This script generates a Python interface for an Apple Macintosh Manager.
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2 | # It uses the "bgen" package to generate C code.
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3 | # The function specifications are generated by scanning the mamager's header file,
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4 | # using the "scantools" package (customized for this particular manager).
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5 |
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6 | #error missing SetActionFilter
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7 |
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8 | import string
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9 |
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10 | # Declarations that change for each manager
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11 | MACHEADERFILE = 'Movies.h' # The Apple header file
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12 | MODNAME = '_Qt' # The name of the module
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13 | OBJECTNAME = 'Movie' # The basic name of the objects used here
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14 |
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15 | # The following is *usually* unchanged but may still require tuning
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16 | MODPREFIX = 'Qt' # The prefix for module-wide routines
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17 | OBJECTTYPE = "Movie" # The C type used to represent them
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18 | OBJECTPREFIX = MODPREFIX + 'Obj' # The prefix for object methods
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19 | INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
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20 | OUTPUTFILE = MODNAME + "module.c" # The file generated by this program
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21 |
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22 | from macsupport import *
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23 |
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24 | # Create the type objects
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25 |
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26 | includestuff = includestuff + """
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27 | #include <QuickTime/QuickTime.h>
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28 |
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29 |
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30 | #ifdef USE_TOOLBOX_OBJECT_GLUE
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31 | extern PyObject *_TrackObj_New(Track);
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32 | extern int _TrackObj_Convert(PyObject *, Track *);
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33 | extern PyObject *_MovieObj_New(Movie);
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34 | extern int _MovieObj_Convert(PyObject *, Movie *);
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35 | extern PyObject *_MovieCtlObj_New(MovieController);
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36 | extern int _MovieCtlObj_Convert(PyObject *, MovieController *);
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37 | extern PyObject *_TimeBaseObj_New(TimeBase);
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38 | extern int _TimeBaseObj_Convert(PyObject *, TimeBase *);
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39 | extern PyObject *_UserDataObj_New(UserData);
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40 | extern int _UserDataObj_Convert(PyObject *, UserData *);
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41 | extern PyObject *_MediaObj_New(Media);
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42 | extern int _MediaObj_Convert(PyObject *, Media *);
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43 |
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44 | #define TrackObj_New _TrackObj_New
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45 | #define TrackObj_Convert _TrackObj_Convert
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46 | #define MovieObj_New _MovieObj_New
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47 | #define MovieObj_Convert _MovieObj_Convert
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48 | #define MovieCtlObj_New _MovieCtlObj_New
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49 | #define MovieCtlObj_Convert _MovieCtlObj_Convert
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50 | #define TimeBaseObj_New _TimeBaseObj_New
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51 | #define TimeBaseObj_Convert _TimeBaseObj_Convert
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52 | #define UserDataObj_New _UserDataObj_New
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53 | #define UserDataObj_Convert _UserDataObj_Convert
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54 | #define MediaObj_New _MediaObj_New
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55 | #define MediaObj_Convert _MediaObj_Convert
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56 | #endif
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57 |
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58 | /* Macro to allow us to GetNextInterestingTime without duration */
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59 | #define GetMediaNextInterestingTimeOnly(media, flags, time, rate, rv) \
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60 | GetMediaNextInterestingTime(media, flags, time, rate, rv, NULL)
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61 |
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62 | /*
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63 | ** Parse/generate time records
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64 | */
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65 | static PyObject *
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66 | QtTimeRecord_New(TimeRecord *itself)
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67 | {
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68 | if (itself->base)
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69 | return Py_BuildValue("O&lO&", PyMac_Buildwide, &itself->value, itself->scale,
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70 | TimeBaseObj_New, itself->base);
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71 | else
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72 | return Py_BuildValue("O&lO", PyMac_Buildwide, &itself->value, itself->scale,
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73 | Py_None);
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74 | }
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75 |
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76 | static int
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77 | QtTimeRecord_Convert(PyObject *v, TimeRecord *p_itself)
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78 | {
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79 | PyObject *base = NULL;
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80 | if( !PyArg_ParseTuple(v, "O&l|O", PyMac_Getwide, &p_itself->value, &p_itself->scale,
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81 | &base) )
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82 | return 0;
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83 | if ( base == NULL || base == Py_None )
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84 | p_itself->base = NULL;
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85 | else
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86 | if ( !TimeBaseObj_Convert(base, &p_itself->base) )
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87 | return 0;
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88 | return 1;
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89 | }
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90 |
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91 | static int
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92 | QtMusicMIDIPacket_Convert(PyObject *v, MusicMIDIPacket *p_itself)
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93 | {
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94 | int dummy;
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95 |
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96 | if( !PyArg_ParseTuple(v, "hls#", &p_itself->length, &p_itself->reserved, p_itself->data, dummy) )
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97 | return 0;
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98 | return 1;
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99 | }
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100 |
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101 |
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102 |
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103 | """
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104 |
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105 | initstuff = initstuff + """
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106 | PyMac_INIT_TOOLBOX_OBJECT_NEW(Track, TrackObj_New);
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107 | PyMac_INIT_TOOLBOX_OBJECT_CONVERT(Track, TrackObj_Convert);
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108 | PyMac_INIT_TOOLBOX_OBJECT_NEW(Movie, MovieObj_New);
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109 | PyMac_INIT_TOOLBOX_OBJECT_CONVERT(Movie, MovieObj_Convert);
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110 | PyMac_INIT_TOOLBOX_OBJECT_NEW(MovieController, MovieCtlObj_New);
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111 | PyMac_INIT_TOOLBOX_OBJECT_CONVERT(MovieController, MovieCtlObj_Convert);
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112 | PyMac_INIT_TOOLBOX_OBJECT_NEW(TimeBase, TimeBaseObj_New);
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113 | PyMac_INIT_TOOLBOX_OBJECT_CONVERT(TimeBase, TimeBaseObj_Convert);
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114 | PyMac_INIT_TOOLBOX_OBJECT_NEW(UserData, UserDataObj_New);
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115 | PyMac_INIT_TOOLBOX_OBJECT_CONVERT(UserData, UserDataObj_Convert);
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116 | PyMac_INIT_TOOLBOX_OBJECT_NEW(Media, MediaObj_New);
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117 | PyMac_INIT_TOOLBOX_OBJECT_CONVERT(Media, MediaObj_Convert);
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118 | """
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119 |
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120 | # Our (opaque) objects
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121 | Movie = OpaqueByValueType('Movie', 'MovieObj')
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122 | NullMovie = FakeType("(Movie)0")
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123 | Track = OpaqueByValueType('Track', 'TrackObj')
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124 | Media = OpaqueByValueType('Media', 'MediaObj')
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125 | UserData = OpaqueByValueType('UserData', 'UserDataObj')
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126 | TimeBase = OpaqueByValueType('TimeBase', 'TimeBaseObj')
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127 | MovieController = OpaqueByValueType('MovieController', 'MovieCtlObj')
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128 | IdleManager = OpaqueByValueType('IdleManager', 'IdleManagerObj')
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129 | SGOutput = OpaqueByValueType('SGOutput', 'SGOutputObj')
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130 |
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131 | # Other opaque objects
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132 | Component = OpaqueByValueType('Component', 'CmpObj')
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133 | MediaHandlerComponent = OpaqueByValueType('MediaHandlerComponent', 'CmpObj')
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134 | DataHandlerComponent = OpaqueByValueType('DataHandlerComponent', 'CmpObj')
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135 | CompressorComponent = OpaqueByValueType('CompressorComponent', 'CmpObj')
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136 | DecompressorComponent = OpaqueByValueType('DecompressorComponent', 'CmpObj')
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137 | CodecComponent = OpaqueByValueType('CodecComponent', 'CmpObj')
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138 |
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139 | # Despite their names, these are all ComponentInstance types
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140 | GraphicsImportComponent = OpaqueByValueType('GraphicsImportComponent', 'CmpInstObj')
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141 | GraphicsExportComponent = OpaqueByValueType('GraphicsExportComponent', 'CmpInstObj')
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142 | ImageTranscoderComponent = OpaqueByValueType('ImageTranscoderComponent', 'CmpInstObj')
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143 | MovieImportComponent = OpaqueByValueType('MovieImportComponent', 'CmpInstObj')
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144 | MovieExportComponent = OpaqueByValueType('MovieExportComponent', 'CmpInstObj')
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145 | TextExportComponent = OpaqueByValueType('TextExportComponent', 'CmpInstObj')
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146 | GraphicImageMovieImportComponent = OpaqueByValueType('GraphicImageMovieImportComponent', 'CmpInstObj')
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147 | pnotComponent = OpaqueByValueType('pnotComponent', 'CmpInstObj')
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148 | # DataCompressorComponent, DataDecompressorComponent would go here
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149 | DataCodecComponent = OpaqueByValueType('DataCodecComponent', 'CmpInstObj')
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150 | TweenerComponent = OpaqueByValueType('TweenerComponent', 'CmpInstObj')
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151 | QTVideoOutputComponent = OpaqueByValueType('QTVideoOutputComponent', 'CmpInstObj')
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152 | SeqGrabComponent = OpaqueByValueType('SeqGrabComponent', 'CmpInstObj')
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153 | VideoDigitizerComponent = OpaqueByValueType('VideoDigitizerComponent', 'CmpInstObj')
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154 |
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155 | ComponentInstance = OpaqueByValueType('ComponentInstance', 'CmpInstObj')
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156 | MediaHandler = OpaqueByValueType('MediaHandler', 'CmpInstObj')
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157 | DataHandler = OpaqueByValueType('DataHandler', 'CmpInstObj')
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158 | SGChannel = OpaqueByValueType('SGChannel', 'CmpInstObj')
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159 | TunePlayer = OpaqueByValueType('TunePlayer', 'CmpInstObj')
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160 | MusicComponent = OpaqueByValueType('MusicComponent', 'CmpInstObj')
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161 | NoteAllocator = OpaqueByValueType('NoteAllocator', 'CmpInstObj')
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162 | QTMIDIComponent = OpaqueByValueType('QTMIDIComponent', 'CmpInstObj')
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163 |
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164 | ConstFSSpecPtr = FSSpec_ptr
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165 | GrafPtr = OpaqueByValueType("GrafPtr", "GrafObj")
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166 | Byte = Boolean # XXXX For GetPaused and SetPaused
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167 |
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168 | RgnHandle = OpaqueByValueType("RgnHandle", "ResObj")
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169 | PicHandle = OpaqueByValueType("PicHandle", "ResObj")
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170 | CTabHandle = OpaqueByValueType("CTabHandle", "ResObj")
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171 | PixMapHandle = OpaqueByValueType("PixMapHandle", "ResObj")
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172 | SampleDescriptionHandle = OpaqueByValueType("SampleDescriptionHandle", "ResObj")
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173 | ImageDescriptionHandle = OpaqueByValueType("ImageDescriptionHandle", "ResObj")
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174 | TextDescriptionHandle = OpaqueByValueType("TextDescriptionHandle", "ResObj")
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175 | TEHandle = OpaqueByValueType("TEHandle", "ResObj")
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176 | CGrafPtr = OpaqueByValueType("CGrafPtr", "GrafObj")
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177 | GDHandle = OpaqueByValueType("GDHandle", "OptResObj")
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178 | AliasHandle = OpaqueByValueType("AliasHandle", "ResObj")
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179 | SoundDescriptionHandle = OpaqueByValueType("SoundDescriptionHandle", "ResObj")
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180 | VdigBufferRecListHandle = OpaqueByValueType("VdigBufferRecListHandle", "ResObj")
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181 | VDCompressionListHandle = OpaqueByValueType("VDCompressionListHandle", "ResObj")
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182 | TimeCodeDescriptionHandle = OpaqueByValueType("TimeCodeDescriptionHandle", "ResObj")
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183 | DataHFileTypeOrderingHandle = OpaqueByValueType("DataHFileTypeOrderingHandle", "ResObj")
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184 | QTMIDIPortListHandle = OpaqueByValueType("QTMIDIPortListHandle", "ResObj")
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185 | GenericKnobDescriptionListHandle = OpaqueByValueType("GenericKnobDescriptionListHandle", "ResObj")
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186 | InstrumentInfoListHandle = OpaqueByValueType("InstrumentInfoListHandle", "ResObj")
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187 | # Silly Apple, passing an OStype by reference...
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188 | OSType_ptr = OpaqueType("OSType", "PyMac_BuildOSType", "PyMac_GetOSType")
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189 | # And even sillier: passing floats by address
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190 | float_ptr = ByAddressType("float", "f")
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191 |
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192 | RGBColor = OpaqueType("RGBColor", "QdRGB")
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193 | RGBColor_ptr = RGBColor
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194 | TimeRecord = OpaqueType("TimeRecord", "QtTimeRecord")
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195 | TimeRecord_ptr = TimeRecord
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196 | MusicMIDIPacket = OpaqueType("MusicMIDIPacket", "QtMusicMIDIPacket")
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197 | MusicMIDIPacket_ptr = MusicMIDIPacket
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198 |
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199 | # Non-opaque types, mostly integer-ish
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200 | TimeValue = Type("TimeValue", "l")
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201 | TimeScale = Type("TimeScale", "l")
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202 | TimeBaseFlags = Type("TimeBaseFlags", "l")
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203 | QTCallBackFlags = Type("QTCallBackFlags", "H")
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204 | TimeBaseStatus = Type("TimeBaseStatus", "l")
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205 | QTCallBackType = Type("QTCallBackType", "H")
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206 | nextTimeFlagsEnum = Type("nextTimeFlagsEnum", "H")
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207 | createMovieFileFlagsEnum = Type("createMovieFileFlagsEnum", "l")
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208 | movieFlattenFlagsEnum = Type("movieFlattenFlagsEnum", "l")
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209 | dataRefAttributesFlags = Type("dataRefAttributesFlags", "l")
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210 | playHintsEnum = Type("playHintsEnum", "l")
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211 | mediaHandlerFlagsEnum = Type("mediaHandlerFlagsEnum", "l")
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212 | ComponentResult = Type("ComponentResult", "l")
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213 | VideoDigitizerError = Type("ComponentResult", "l")
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214 | HandlerError = Type("HandlerError", "l")
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215 | Ptr = InputOnlyType("Ptr", "s")
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216 | StringPtr = Type("StringPtr", "s")
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217 | UnsignedLongPtr = Type("unsigned long *", "s")
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218 | mcactionparams = InputOnlyType("void *", "s")
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219 | QTParameterDialog = Type("QTParameterDialog", "l")
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220 | QTAtomID = Type("QTAtomID", "l")
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221 | MCInterfaceElement = Type("MCInterfaceElement", "l")
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222 | CodecType = OSTypeType("CodecType")
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223 | GWorldPtr = OpaqueByValueType("GWorldPtr", "GWorldObj")
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224 | QTFloatSingle = Type("QTFloatSingle", "f")
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225 | CodecQ = Type("CodecQ", "l")
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226 | MusicController = Type("MusicController", "l")
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227 |
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228 | # Could-not-be-bothered-types (NewMovieFromFile)
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229 | dummyshortptr = FakeType('(short *)0')
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230 | dummyStringPtr = FakeType('(StringPtr)0')
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231 |
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232 | # Not-quite-sure-this-is-okay types
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233 | AtomicInstrument = OpaqueByValueType("AtomicInstrument", "ResObj")
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234 | AtomicInstrumentPtr = InputOnlyType("AtomicInstrumentPtr", "s")
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235 |
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236 | # XXXX Need to override output_tp_newBody() to allow for None initializer.
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237 | class QtGlobalObjectDefinition(PEP253Mixin, GlobalObjectDefinition):
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238 | def outputCheckNewArg(self):
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239 | # We don't allow NULL pointers to be returned by QuickTime API calls,
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240 | # in stead we raise an exception
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241 | Output("""if (itself == NULL) {
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242 | PyErr_SetString(Qt_Error,"Cannot create %s from NULL pointer");
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243 | return NULL;
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244 | }""", self.name)
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245 |
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246 | def outputCheckConvertArg(self):
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247 | # But what we do allow is passing None whereever a quicktime object is
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248 | # expected, and pass this as NULL to the API routines. Note you can
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249 | # call methods too by creating an object with None as the initializer.
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250 | Output("if (v == Py_None)")
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251 | OutLbrace()
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252 | Output("*p_itself = NULL;")
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253 | Output("return 1;")
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254 | OutRbrace()
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255 |
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256 | class MovieObjectDefinition(QtGlobalObjectDefinition):
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257 | def outputFreeIt(self, itselfname):
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258 | Output("if (%s) DisposeMovie(%s);", itselfname, itselfname)
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259 |
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260 | class TrackObjectDefinition(QtGlobalObjectDefinition):
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261 | def outputFreeIt(self, itselfname):
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262 | Output("if (%s) DisposeMovieTrack(%s);", itselfname, itselfname)
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263 |
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264 | class MediaObjectDefinition(QtGlobalObjectDefinition):
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265 | def outputFreeIt(self, itselfname):
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266 | Output("if (%s) DisposeTrackMedia(%s);", itselfname, itselfname)
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267 |
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268 | class UserDataObjectDefinition(QtGlobalObjectDefinition):
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269 | def outputFreeIt(self, itselfname):
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270 | Output("if (%s) DisposeUserData(%s);", itselfname, itselfname)
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271 |
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272 | class TimeBaseObjectDefinition(QtGlobalObjectDefinition):
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273 | pass
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274 |
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275 | class MovieCtlObjectDefinition(QtGlobalObjectDefinition):
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276 | def outputFreeIt(self, itselfname):
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277 | Output("if (%s) DisposeMovieController(%s);", itselfname, itselfname)
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278 |
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279 | class IdleManagerObjectDefinition(QtGlobalObjectDefinition):
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280 | pass
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281 |
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282 | class SGOutputObjectDefinition(QtGlobalObjectDefinition):
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283 | # XXXX I'm not sure I fully understand how SGOutput works. It seems it's always tied
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284 | # to a specific SeqGrabComponent, but I'm not 100% sure. Also, I'm not sure all the
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285 | # routines that return an SGOutput actually return a *new* SGOutput. Need to read up on
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286 | # this.
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287 | pass
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288 |
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289 |
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290 | # From here on it's basically all boiler plate...
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291 |
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292 | # Create the generator groups and link them
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293 | module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
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294 | Movie_object = MovieObjectDefinition('Movie', 'MovieObj', 'Movie')
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295 | Track_object = TrackObjectDefinition('Track', 'TrackObj', 'Track')
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296 | Media_object = MediaObjectDefinition('Media', 'MediaObj', 'Media')
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297 | UserData_object = UserDataObjectDefinition('UserData', 'UserDataObj', 'UserData')
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298 | TimeBase_object = TimeBaseObjectDefinition('TimeBase', 'TimeBaseObj', 'TimeBase')
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299 | MovieController_object = MovieCtlObjectDefinition('MovieController', 'MovieCtlObj', 'MovieController')
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300 | IdleManager_object = IdleManagerObjectDefinition('IdleManager', 'IdleManagerObj', 'IdleManager')
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301 | SGOutput_object = SGOutputObjectDefinition('SGOutput', 'SGOutputObj', 'SGOutput')
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302 |
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303 | module.addobject(IdleManager_object)
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304 | module.addobject(MovieController_object)
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305 | module.addobject(TimeBase_object)
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306 | module.addobject(UserData_object)
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307 | module.addobject(Media_object)
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308 | module.addobject(Track_object)
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309 | module.addobject(Movie_object)
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310 | module.addobject(SGOutput_object)
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311 |
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312 | # Test which types we are still missing.
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313 | execfile(string.lower(MODPREFIX) + 'typetest.py')
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314 |
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315 | # Create the generator classes used to populate the lists
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316 | Function = OSErrWeakLinkFunctionGenerator
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317 | Method = OSErrWeakLinkMethodGenerator
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318 |
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319 | # Create and populate the lists
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320 | functions = []
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321 | IdleManager_methods = []
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322 | MovieController_methods = []
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323 | TimeBase_methods = []
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324 | UserData_methods = []
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325 | Media_methods = []
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326 | Track_methods = []
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327 | Movie_methods = []
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328 | SGOutput_methods = []
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329 | execfile(INPUTFILE)
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330 |
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331 | #
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332 | # Some functions from ImageCompression.h that we need:
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333 | ICMAlignmentProcRecordPtr = FakeType('(ICMAlignmentProcRecordPtr)0')
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334 | dummyRect = FakeType('(Rect *)0')
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335 |
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336 | f = Function(void, 'AlignWindow',
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337 | (WindowPtr, 'wp', InMode),
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338 | (Boolean, 'front', InMode),
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339 | (dummyRect, 'alignmentRect', InMode),
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340 | (ICMAlignmentProcRecordPtr, 'alignmentProc', InMode),
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341 | )
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342 | functions.append(f)
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343 |
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344 | f = Function(void, 'DragAlignedWindow',
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345 | (WindowPtr, 'wp', InMode),
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346 | (Point, 'startPt', InMode),
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347 | (Rect_ptr, 'boundsRect', InMode),
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348 | (dummyRect, 'alignmentRect', InMode),
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349 | (ICMAlignmentProcRecordPtr, 'alignmentProc', InMode),
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350 | )
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351 | functions.append(f)
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352 |
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353 | # And we want the version of MoviesTask without a movie argument
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354 | f = Function(void, 'MoviesTask',
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355 | (NullMovie, 'theMovie', InMode),
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356 | (long, 'maxMilliSecToUse', InMode),
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357 | )
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358 | functions.append(f)
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359 |
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360 | # And we want a GetMediaNextInterestingTime without duration
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361 | f = Method(void, 'GetMediaNextInterestingTimeOnly',
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362 | (Media, 'theMedia', InMode),
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363 | (short, 'interestingTimeFlags', InMode),
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364 | (TimeValue, 'time', InMode),
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365 | (Fixed, 'rate', InMode),
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366 | (TimeValue, 'interestingTime', OutMode),
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367 | )
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368 | Media_methods.append(f)
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369 |
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370 | # add the populated lists to the generator groups
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371 | # (in a different wordl the scan program would generate this)
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372 | for f in functions: module.add(f)
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373 | for f in MovieController_methods: MovieController_object.add(f)
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374 | for f in TimeBase_methods: TimeBase_object.add(f)
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375 | for f in UserData_methods: UserData_object.add(f)
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376 | for f in Media_methods: Media_object.add(f)
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377 | for f in Track_methods: Track_object.add(f)
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378 | for f in Movie_methods: Movie_object.add(f)
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379 |
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380 | # generate output (open the output file as late as possible)
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381 | SetOutputFileName(OUTPUTFILE)
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382 | module.generate()
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