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2 | pj | 1 | /* |
2 | * Copyright 1995, Brown University, Providence, RI |
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3 | * |
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4 | * Permission to use and modify this software and its documentation for |
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5 | * any purpose other than its incorporation into a commercial product is |
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6 | * hereby granted without fee. Permission to copy and distribute this |
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7 | * software and its documentation only for non-commercial use is also |
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8 | * granted without fee, provided, however, that the above copyright notice |
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9 | * appear in all copies, that both that copyright notice and this permission |
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10 | * notice appear in supporting documentation, that the name of Brown |
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11 | * University not be used in advertising or publicity pertaining to |
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12 | * distribution of the software without specific, written prior permission, |
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13 | * and that the person doing the distribution notify Brown University of |
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14 | * such distributions outside of his or her organization. Brown University |
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15 | * makes no representations about the suitability of this software for |
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16 | * any purpose. It is provided "as is" without express or implied warranty. |
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17 | * Brown University requests notification of any modifications to this |
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18 | * software or its documentation. |
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19 | * |
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20 | * Send the following redistribution information: |
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21 | * |
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22 | * Name: |
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23 | * Organization: |
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24 | * Address (postal and/or electronic): |
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25 | * |
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26 | * To: |
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27 | * Software Librarian |
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28 | * Computer Science Department, Box 1910 |
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29 | * Brown University |
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30 | * Providence, RI 02912 |
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31 | * |
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32 | * or |
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33 | * |
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34 | * brusd@cs.brown.edu |
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35 | * |
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36 | * We will acknowledge all electronic notifications. |
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37 | */ |
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38 | |||
39 | #include <stdio.h> |
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40 | #include <iostream.h> |
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41 | #include "ANIMdisplay.H" |
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42 | |||
43 | // Constructor for first movie in a series |
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44 | // |
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45 | // |
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46 | ANIMdisplay::ANIMdisplay(ANIMbase *movie, char* displayName, |
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47 | Boolean loopMovie, |
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48 | int allocateFrame, int starty) |
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49 | : _movie(movie), |
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50 | originalMovie(TRUE), |
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51 | frameAllocated(FALSE), |
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52 | loop(loopMovie), |
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53 | movieEnded(FALSE), |
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54 | _displayName(strdup(displayName)) |
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55 | { |
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56 | |||
57 | //for first instance |
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58 | xinfo.hints.x=0; |
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59 | xinfo.hints.y=starty; |
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60 | xinfo.cmap=0; |
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61 | xinfo.gc=0; |
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62 | xinfo.depth=24; |
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63 | xinfo.ditherType=FULL_COLOR_DITHER; |
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64 | xinfo.display=NULL; |
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65 | xinfo.visual=NULL; |
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66 | xinfo.ExistingWindow=0; |
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67 | |||
68 | xinfo.hints.width=movie->Width; |
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69 | xinfo.hints.height=movie->Height; |
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70 | largy=-1; |
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71 | |||
72 | init(allocateFrame); |
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73 | |||
74 | XWindowAttributes winattr; |
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75 | Display *display=xinfo.display; |
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76 | |||
77 | displayWidth=DisplayWidth(display,XDefaultScreen(display)); |
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78 | XGetWindowAttributes(display, xinfo.window, &winattr); |
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79 | |||
80 | _movie->InitDither(winattr.visual->red_mask, |
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81 | winattr.visual->green_mask, |
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82 | winattr.visual->blue_mask); |
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83 | } |
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84 | |||
85 | // Constructor for first movie in a series |
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86 | // |
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87 | // |
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88 | ANIMdisplay::ANIMdisplay(ANIMbase *movie, ANIMdisplay *lastMovie, |
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89 | Boolean loopMovie, |
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90 | int allocateFrame) |
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91 | : largy(lastMovie->largy), |
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92 | frameAllocated(FALSE), |
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93 | displayWidth(lastMovie->displayWidth), |
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94 | _displayName(lastMovie->_displayName), |
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95 | _movie(movie), |
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96 | originalMovie(TRUE), |
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97 | loop(loopMovie), |
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98 | movieEnded(FALSE) |
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99 | { |
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100 | //for n>1 instance |
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101 | /* get next X coordinates */ |
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102 | xinfo.hints.x= lastMovie->xinfo.hints.x+10+ lastMovie->_movie->Width; |
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103 | /* Update the largest vertical size of a movie */ |
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104 | /* If we are off the right side of the screen, cont at left */ |
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105 | xinfo.hints.y=lastMovie->xinfo.hints.y; |
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106 | if (xinfo.hints.x > displayWidth - 80) { |
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107 | xinfo.hints.y+=largy+30; |
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108 | largy=0; |
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109 | xinfo.hints.x=0; |
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110 | } |
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111 | xinfo.ExistingWindow=0; |
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112 | xinfo.display=lastMovie->xinfo.display; |
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113 | xinfo.visual=lastMovie->xinfo.visual; |
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114 | xinfo.cmap=lastMovie->xinfo.cmap; |
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115 | xinfo.gc=lastMovie->xinfo.gc; |
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116 | xinfo.ditherType=lastMovie->xinfo.ditherType; |
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117 | xinfo.display=lastMovie->xinfo.display; |
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118 | xinfo.depth=lastMovie->xinfo.depth; |
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119 | xinfo.ditherType=lastMovie->xinfo.ditherType; |
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120 | |||
121 | init(allocateFrame); |
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122 | } |
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123 | |||
124 | // Destructor |
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125 | // |
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126 | // |
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127 | ANIMdisplay::~ANIMdisplay() |
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128 | { |
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129 | if (frameAllocated) { |
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130 | free(xinfo.ximage->data); |
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131 | xinfo.ximage->data=NULL; |
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132 | } |
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133 | if (xinfo.ximage!=NULL) XDestroyImage(xinfo.ximage); |
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134 | // Add code re: xinfo.display - reference count |
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135 | } |
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136 | |||
137 | // Constructor helper code, also called when we switch movies |
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138 | // |
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139 | // |
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140 | void |
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141 | ANIMdisplay::init(Boolean allocateFrame) |
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142 | { |
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143 | const char *inputName=_movie->getName(); |
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144 | |||
145 | if (_movie->Height>largy) { |
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146 | largy=_movie->Height; |
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147 | } |
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148 | xinfo.hints.width=_movie->Width; |
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149 | xinfo.hints.height=_movie->Height; |
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150 | |||
151 | xinfo.ximage=NULL; |
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152 | xinfo.owncmFlag=FALSE; |
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153 | |||
154 | if (inputName==NULL) { |
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155 | // Should be.... different |
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156 | xinfo.name="Display!"; |
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157 | } else if ((xinfo.name=strrchr(inputName,'/'))==NULL) { |
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158 | xinfo.name=(char *) inputName; |
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159 | } else xinfo.name++; |
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160 | |||
161 | if (originalMovie) InitColorDisplay((char *) _displayName,&xinfo); |
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162 | else { |
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163 | XSetStandardProperties (xinfo.display, xinfo.window, xinfo.name, |
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164 | xinfo.name, None, NULL, 0, |
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165 | &xinfo.hints); |
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166 | } |
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167 | init_image(allocateFrame); |
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168 | } |
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169 | |||
170 | void |
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171 | ANIMdisplay::init_image(Boolean allocateFrame) { |
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172 | Display *display=xinfo.display; |
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173 | Visual *fc_visual; |
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174 | int depth, w,h; |
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175 | char *where,dummy; |
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176 | |||
177 | //XImage has to be on word boundary? |
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178 | w = _movie->Width + (_movie->Width % 16); |
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179 | h = _movie->Height + (_movie->Height % 16); |
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180 | if (w+h==0) { |
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181 | xinfo.ximage=NULL; |
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182 | return; |
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183 | } |
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184 | frameAllocated=allocateFrame; |
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185 | |||
186 | fc_visual = FindFullColorVisual(display, &depth); |
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187 | if (allocateFrame) where=(char *) malloc(w*h*4); |
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188 | else where=&dummy; |
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189 | xinfo.ximage=XCreateImage(display,fc_visual,depth,ZPixmap, |
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190 | 0,where,w, h,32,0); |
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191 | |||
192 | #ifdef LITTLE_ENDIAN_ARCHITECTURE |
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193 | xinfo.ximage->byte_order = LSBFirst; |
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194 | xinfo.ximage->bitmap_bit_order = LSBFirst; |
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195 | #else |
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196 | xinfo.ximage->byte_order = MSBFirst; |
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197 | xinfo.ximage->bitmap_bit_order = MSBFirst; |
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198 | #endif |
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199 | } |
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200 | |||
201 | void |
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202 | ANIMdisplay::newMovie(const char *const newMovieName) |
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203 | { |
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204 | if (xinfo.ximage!=NULL) XDestroyImage(xinfo.ximage); |
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205 | |||
206 | if (newMovieName!=NULL) { |
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207 | _movie->newMovie(newMovieName); |
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208 | _movie->open(); |
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209 | } |
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210 | |||
211 | originalMovie=FALSE; |
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212 | init(frameAllocated); |
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213 | |||
214 | XResizeWindow(xinfo.display,xinfo.window, |
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215 | _movie->Width, |
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216 | _movie->Height); |
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217 | XFlush(xinfo.display); |
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218 | |||
219 | movieEnded=FALSE; |
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220 | } |
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221 | |||
222 | void |
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223 | ANIMdisplay::display(char *frame) { |
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224 | char *paramFrame, *tmpFrame; |
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225 | Boolean moreFrames, newFrame; |
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226 | |||
227 | // if frame is: |
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228 | // !NULL - display frame already in xinfo |
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229 | // NULL - get frame and then display it |
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230 | if (frame==NULL) { |
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231 | if (xinfo.ximage!=NULL) paramFrame=xinfo.ximage->data; |
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232 | else paramFrame=NULL; |
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233 | moreFrames=_movie->GetFrame(¶mFrame,&newFrame); |
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234 | if (newFrame) { |
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235 | // if there is no ximage so far, we are starting "anew" |
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236 | if (xinfo.ximage==NULL) { |
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237 | frameAllocated=TRUE; // Don't allocate a frame |
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238 | newMovie(NULL); |
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239 | } |
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240 | tmpFrame=xinfo.ximage->data; |
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241 | xinfo.ximage->data=paramFrame; |
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242 | } |
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243 | } else newFrame=TRUE; |
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244 | |||
245 | if (newFrame) { |
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246 | Display *display=xinfo.display; |
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247 | if (frame!=NULL) xinfo.ximage->data=frame; |
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248 | XPutImage(display, xinfo.window, xinfo.gc, xinfo.ximage, |
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249 | 0,0,0,0, |
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250 | (unsigned int) xinfo.ximage->width, |
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251 | (unsigned int) xinfo.ximage->height); |
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252 | } |
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253 | |||
254 | if (frame==NULL) { |
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255 | // Don't copy NULL over new frame if unneeded |
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256 | if (newFrame) xinfo.ximage->data=tmpFrame; |
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257 | |||
258 | if (!moreFrames ) { |
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259 | if (loop) _movie->rewind(); |
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260 | else movieEnded=TRUE; |
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261 | } |
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262 | } |
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263 | } |
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264 | |||
265 | Boolean ANIMdisplay::movieDone() |
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266 | { |
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267 | return movieEnded; |
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268 | } |