1 | ;+ |
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2 | ; |
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3 | ; @file_comments |
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4 | ; The purpose of this program is to provide an interactive tool that can be used |
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5 | ; to view JPEG, BMP, GIF, PNG, and TIFF picture files. Images are loaded into |
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6 | ; memory, so the initial file access may take a while, but once each picture has |
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7 | ; been opened they can all be viewed in a very rapid fashion. |
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8 | ; |
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9 | ; @categories |
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10 | ; Visualization, Widget |
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11 | ; |
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12 | ; @param EVENT {in}{required} |
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13 | ; |
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14 | ; @restrictions |
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15 | ; While this program is running in an IDL session it will change the current |
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16 | ; working directory, enables/disables color decomposition, and sets !QUIET=1, |
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17 | ; !ORDER=0, & !P.BACKGROUND=0. These settings are returned to their initial |
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18 | ; settings before the program was initiated once it is terminated. |
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19 | ; |
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20 | ; @restrictions |
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21 | ; This program is supported in IDL version 5.5 and newer. In order to open |
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22 | ; GIF files or TIFF files with LZW compression the copy of IDL being used must |
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23 | ; be licensed with these features. IDL only supports BMP files in the standard |
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24 | ; Windows format and does not support OS2 bitmaps. |
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25 | ; |
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26 | ; @history |
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27 | ; Written by: AEB, 1/02. |
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28 | ; |
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29 | ; @version |
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30 | ; $Id$ |
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31 | ;_ |
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32 | ; |
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33 | PRO image_viewer_open_files,event |
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34 | ;THIS PROCEDURE IS CALLED WHEN A USER SELECTS "File > Open Picture Files" FROM THE MAIN MENU |
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35 | ; |
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36 | compile_opt idl2, strictarrsubs |
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37 | ; |
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38 | ;error handling: |
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39 | !ERROR_STATE.CODE=0 |
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40 | CATCH,error |
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41 | if error NE 0 then begin |
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42 | HELP,/LAST_MESSAGE,OUTPUT=traceback |
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43 | messageStr=['Error Caught :','',traceback] |
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44 | dummy=DIALOG_MESSAGE(messageStr,/ERROR) |
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45 | ;if status report dialog is still active, destroy it: |
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46 | if SIZE(tlb,/TYPE) NE 0 then WIDGET_CONTROL,tlb,/DESTROY |
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47 | RETURN |
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48 | endif |
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49 | ;obtain state structure for top-level-base from its UVALUE: |
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50 | WIDGET_CONTROL,event.top,GET_UVALUE=pState |
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51 | ;prompt user to select files with native file selection dialog: |
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52 | if (*pState).gifFlag EQ 1 then filter=['*.JPG','*.jpg','*.JPEG','*.jpeg','*.JPE','*.jpe',$ |
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53 | '*.JFIF','*.jfif','*.GIF','*.gif','*.BMP','*.bmp','*.TIF','*.tif','*.TIFF','*.tiff',$ |
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54 | '*.PNG','*.png'] else $ |
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55 | filter=['*.JPG','*.jpg','*.JPEG','*.jpeg','*.JPE','*.jpe','*.JFIF','*.jfif','*.BMP','*.bmp',$ |
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56 | '*.TIF','*.tif','*.TIFF','*.tiff','*.PNG','*.png'] |
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57 | files=DIALOG_PICKFILE(TITLE='Select picture files to open',/MULTIPLE_FILES,$ |
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58 | FILTER=filter,GET_PATH=path) |
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59 | ;if user hit "Cancel" then return to previous program level: |
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60 | if (files[0] EQ '') then RETURN |
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61 | ;change current working directory to location of selected files: |
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62 | CD,path |
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63 | nFiles=N_ELEMENTS(files) |
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64 | (*pState).nFiles=nFiles |
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65 | (*pState).increment=100./nFiles |
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66 | files=files[SORT(files)] |
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67 | ;create status report dialog: |
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68 | xCenter=(*pState).screenSize[0]/2 |
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69 | yCenter=(*pState).screenSize[1]/2 |
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70 | tlb2=WIDGET_BASE(TITLE='Status Report',/COLUMN,/ALIGN_CENTER,TLB_FRAME_ATTR=19,/MODAL,$ |
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71 | GROUP_LEADER=(*pState).tlb) |
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72 | spacer=WIDGET_LABEL(tlb2,VALUE=' ') |
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73 | label1=WIDGET_LABEL(tlb2,VALUE='LOADING SELECTED IMAGE FILES INTO MEMORY') |
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74 | spacer=WIDGET_LABEL(tlb2,VALUE=' ') |
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75 | label2=WIDGET_LABEL(tlb2,VALUE='*** PLEASE WAIT ***') |
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76 | spacer=WIDGET_LABEL(tlb2,VALUE=' ') |
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77 | statusBase=WIDGET_BASE(tlb2,/ROW,/FRAME,/BASE_ALIGN_CENTER,/ALIGN_CENTER,EVENT_PRO='image_viewer_timer') |
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78 | cancelBut=WIDGET_BUTTON(statusBase,VALUE='Cancel',EVENT_PRO='image_viewer_cancel') |
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79 | progressLabel=WIDGET_LABEL(statusBase,Value=' Progress : 0 ') |
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80 | statusSlider=WIDGET_SLIDER(statusBase,SENSITIVE=0,TITLE=' ',XSIZE=200) |
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81 | percentLabel=WIDGET_LABEL(statusBase,VALUE=' 100 %') |
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82 | geom=WIDGET_INFO(tlb2,/GEOMETRY) |
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83 | xHalfSize=geom.Scr_XSize/2 |
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84 | yHalfSize=geom.Scr_YSize/2 |
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85 | WIDGET_CONTROL,tlb2,XOFFSET=xCenter-xHalfSize,YOFFSET=yCenter-yHalfSize |
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86 | WIDGET_CONTROL,tlb2,/REALIZE |
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87 | (*pState).statusBase=statusBase |
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88 | (*pState).statusSlider=statusSlider |
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89 | WIDGET_CONTROL,tlb2,SET_UVALUE=pState |
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90 | ;reset settings of GUI: |
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91 | WIDGET_CONTROL,(*pState).fileText,SET_VALUE='' |
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92 | WIDGET_CONTROL,(*pState).imageDraw,GET_VALUE=drawID |
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93 | WSET,drawID |
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94 | TVLCT,0,0,0,0 |
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95 | ERASE |
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96 | ;re-create thumbnails base with appropriate size for number of images selected: |
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97 | nRows = CEIL (nFiles / 3.0) |
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98 | WIDGET_CONTROL,(*pState).thumbBase,/DESTROY |
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99 | (*pState).thumbBase=WIDGET_BASE((*pState).controlsBase,/COLUMN,/ALIGN_TOP,/FRAME,XSIZE=260,$ |
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100 | YSIZE=(nRows*89),/SCROLL,X_SCROLL_SIZE=260,Y_SCROLL_SIZE=650) |
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101 | ;initialize pointer array to reference image data: |
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102 | numImages=N_ELEMENTS(*(*pState).images) |
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103 | if numImages NE 0 then PTR_FREE,*(*pState).images |
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104 | *(*pState).images=PTRARR(nFiles,/ALLOCATE_HEAP) |
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105 | *(*pState).files=files |
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106 | ;loop through each file: |
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107 | (*pState).timer=1B |
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108 | WIDGET_CONTROL,statusBase,TIMER=0.01 |
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109 | END |
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110 | ; |
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111 | ;+ |
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112 | ; |
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113 | ; @param event {in}{required} |
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114 | ; |
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115 | ;- |
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116 | PRO image_viewer_open_folder,event |
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117 | ;THIS PROCEDURE IS CALLED WHEN A USER SELECTS "File > Open All In Folder" FROM THE MAIN MENU |
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118 | ; |
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119 | compile_opt idl2, strictarrsubs |
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120 | ; |
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121 | ; error handling: |
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122 | !ERROR_STATE.CODE=0 |
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123 | CATCH,error |
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124 | if error NE 0 then begin |
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125 | HELP,/LAST_MESSAGE,OUTPUT=traceback |
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126 | messageStr=['Error Caught :','',traceback] |
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127 | dummy=DIALOG_MESSAGE(messageStr,/ERROR) |
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128 | ;if status report dialog is still active, destroy it: |
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129 | if SIZE(tlb,/TYPE) NE 0 then WIDGET_CONTROL,tlb,/DESTROY |
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130 | RETURN |
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131 | endif |
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132 | ;obtain state structure for top-level-base from its UVALUE: |
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133 | WIDGET_CONTROL,event.top,GET_UVALUE=pState |
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134 | ;prompt user to select files with native file selection dialog: |
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135 | folder=DIALOG_PICKFILE(TITLE='Select folder that contains picture files',/DIRECTORY) |
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136 | ;if user hit "Cancel" then return to previous program level: |
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137 | if folder EQ '' then RETURN |
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138 | ;change current working directory to location of selected files: |
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139 | CD,folder |
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140 | if (*pState).gifFlag EQ 1 then filter=['*.JPG','*.JPEG','*.JPE','*.JFIF','*.GIF','*.BMP',$ |
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141 | '*.TIF','*.TIFF','*.PNG'] else $ |
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142 | filter=['*.JPG','*.JPEG','*.JPE','*.JFIF','*.BMP','*.TIF','*.TIFF','*.PNG'] |
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143 | files=FILE_SEARCH(filter,COUNT=nFiles,/FOLD_CASE,/FULLY_QUALIFY_PATH,/NOSORT) |
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144 | if nFiles EQ 0 then begin |
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145 | dummy=DIALOG_MESSAGE('No valid picture files were found in the selected folder !',/INFO) |
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146 | RETURN |
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147 | endif |
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148 | (*pState).nFiles=nFiles |
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149 | (*pState).increment=100./nFiles |
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150 | files=files[SORT(files)] |
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151 | ;create status report dialog: |
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152 | xCenter=(*pState).screenSize[0]/2 |
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153 | yCenter=(*pState).screenSize[1]/2 |
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154 | tlb2=WIDGET_BASE(TITLE='Status Report',/COLUMN,/ALIGN_CENTER,TLB_FRAME_ATTR=19,/MODAL,$ |
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155 | GROUP_LEADER=(*pState).tlb) |
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156 | spacer=WIDGET_LABEL(tlb2,VALUE=' ') |
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157 | label1=WIDGET_LABEL(tlb2,VALUE='LOADING SELECTED IMAGE FILES INTO MEMORY') |
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158 | spacer=WIDGET_LABEL(tlb2,VALUE=' ') |
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159 | label2=WIDGET_LABEL(tlb2,VALUE='*** PLEASE WAIT ***') |
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160 | spacer=WIDGET_LABEL(tlb2,VALUE=' ') |
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161 | statusBase=WIDGET_BASE(tlb2,/ROW,/FRAME,/BASE_ALIGN_CENTER,/ALIGN_CENTER,EVENT_PRO='image_viewer_timer') |
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162 | cancelBut=WIDGET_BUTTON(statusBase,VALUE='Cancel',EVENT_PRO='image_viewer_cancel') |
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163 | progressLabel=WIDGET_LABEL(statusBase,Value=' Progress : 0 ') |
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164 | statusSlider=WIDGET_SLIDER(statusBase,SENSITIVE=0,TITLE=' ',XSIZE=200) |
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165 | percentLabel=WIDGET_LABEL(statusBase,VALUE=' 100 %') |
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166 | geom=WIDGET_INFO(tlb2,/GEOMETRY) |
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167 | xHalfSize=geom.Scr_XSize/2 |
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168 | yHalfSize=geom.Scr_YSize/2 |
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169 | WIDGET_CONTROL,tlb2,XOFFSET=xCenter-xHalfSize,YOFFSET=yCenter-yHalfSize |
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170 | WIDGET_CONTROL,tlb2,/REALIZE |
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171 | (*pState).statusBase=statusBase |
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172 | (*pState).statusSlider=statusSlider |
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173 | WIDGET_CONTROL,tlb2,SET_UVALUE=pState |
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174 | ;reset settings of GUI: |
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175 | WIDGET_CONTROL,(*pState).fileText,SET_VALUE='' |
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176 | WIDGET_CONTROL,(*pState).imageDraw,GET_VALUE=drawID |
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177 | WSET,drawID |
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178 | TVLCT,0,0,0,0 |
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179 | ERASE |
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180 | ;re-create thumbnails base with appropriate size for number of images selected: |
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181 | nRows = CEIL (nFiles / 3.0) |
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182 | WIDGET_CONTROL,(*pState).thumbBase,/DESTROY |
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183 | (*pState).thumbBase=WIDGET_BASE((*pState).controlsBase,/COLUMN,/ALIGN_TOP,/FRAME,XSIZE=260,$ |
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184 | YSIZE=(nRows*89),/SCROLL,X_SCROLL_SIZE=260,Y_SCROLL_SIZE=650) |
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185 | ;initialize pointer array to reference image data: |
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186 | numImages=N_ELEMENTS(*(*pState).images) |
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187 | if numImages NE 0 then PTR_FREE,*(*pState).images |
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188 | *(*pState).images=PTRARR(nFiles,/ALLOCATE_HEAP) |
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189 | *(*pState).files=files |
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190 | ;loop through each file: |
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191 | (*pState).timer=1B |
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192 | WIDGET_CONTROL,statusBase,TIMER=0.01 |
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193 | END |
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194 | ; |
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195 | ;+ |
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196 | ; |
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197 | ; @param event {in}{required} |
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198 | ; |
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199 | ;- |
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200 | PRO image_viewer_cancel,event |
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201 | ; |
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202 | compile_opt idl2, strictarrsubs |
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203 | ; |
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204 | ;obtain state structure for top-level-base from its UVALUE: |
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205 | WIDGET_CONTROL,event.top,GET_UVALUE=pState |
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206 | ;shut-off timer: |
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207 | (*pState).timer=0B |
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208 | END |
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209 | ; |
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210 | ;+ |
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211 | ; |
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212 | ; @param event {in}{required} |
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213 | ; |
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214 | ;- |
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215 | PRO image_viewer_timer,event |
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216 | ; |
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217 | compile_opt idl2, strictarrsubs |
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218 | ; |
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219 | ;obtain state structure for top-level-base from its UVALUE: |
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220 | WIDGET_CONTROL,event.top,GET_UVALUE=pState |
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221 | if (*pState).timer EQ 1 then begin ;continue processing files: |
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222 | if (*pState).currFile LE (*pState).nFiles-1 then begin |
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223 | i=(*pState).currFile |
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224 | extension=STRUPCASE(STRMID((*(*pState).files)[i],STRPOS((*(*pState).files)[i],'.',/REVERSE_SEARCH)+1)) |
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225 | if extension EQ 'JPG' or extension EQ 'JPEG' or extension EQ 'JPE' or extension EQ 'JFIF' then begin |
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226 | result=QUERY_JPEG((*(*pState).files)[i],info) |
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227 | if result NE 1 then begin |
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228 | dummy=DIALOG_MESSAGE(['Selected file:','',(*(*pState).files)[i],'',$ |
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229 | 'does not appear to be a valid JPEG file !'],/ERROR) |
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230 | if (i MOD 3) EQ 0 then (*pState).rowBase=WIDGET_BASE((*pState).thumbBase,/ROW,/ALIGN_LEFT) |
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231 | if (*pState).currFile EQ (*pState).nFiles-1 then begin |
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232 | ;last file ... terminate timer: |
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233 | (*pState).timer=0B |
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234 | (*pState).currFile=0L |
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235 | WIDGET_CONTROL,event.top,/DESTROY |
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236 | endif else begin |
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237 | ;increment file number and update progress slider: |
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238 | (*pState).currFile=(*pState).currFile+1 |
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239 | progressValue = ROUND((i+1)*(*pState).increment) < 100 |
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240 | WIDGET_CONTROL,(*pState).statusSlider,SET_VALUE=progressValue |
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241 | ;fire off timer again: |
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242 | WIDGET_CONTROL,(*pState).statusBase,TIMER=0.01 |
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243 | endelse |
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244 | RETURN |
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245 | endif |
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246 | if (i MOD 3) EQ 0 then (*pState).rowBase=WIDGET_BASE((*pState).thumbBase,/ROW,/ALIGN_LEFT) |
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247 | TVLCT,0,0,0,0 |
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248 | thumbDraw=WIDGET_DRAW((*pState).rowBase,/BUTTON_EVENTS,RETAIN=2,XSIZE=80,YSIZE=80,$ |
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249 | EVENT_PRO='image_viewer_thumbs',UVALUE=(i+1),UNAME=STRTRIM(i+1,2)) |
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250 | WAIT,0.01 |
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251 | WIDGET_CONTROL,thumbDraw,GET_VALUE=drawID |
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252 | WSET,drawID |
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253 | if info.channels EQ 3 then begin |
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254 | READ_JPEG,(*(*pState).files)[i],image,TRUE=1 |
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255 | if (*pState).colorMode EQ 'PSEUDO' then begin |
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256 | image=COLOR_QUAN(TEMPORARY(image),1,red,green,blue,COLORS=!D.TABLE_SIZE-1) |
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257 | red=[[0],TEMPORARY(red)] |
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258 | green=[[0],TEMPORARY(green)] |
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259 | blue=[[0],TEMPORARY(blue)] |
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260 | image=TEMPORARY(image)+1B |
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261 | imageColorMode='PSEUDO' |
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262 | TVLCT,red,green,blue |
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263 | endif else begin |
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264 | imageColorMode='TRUE' |
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265 | red=0B |
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266 | green=0B |
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267 | blue=0B |
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268 | DEVICE,DECOMPOSED=1 |
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269 | endelse |
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270 | endif |
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271 | if info.channels EQ 1 then begin |
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272 | READ_JPEG,(*(*pState).files)[i],image |
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273 | if (*pState).colorMode EQ 'PSEUDO' then image=BYTSCL(TEMPORARY(image),TOP=!D.TABLE_SIZE-1) |
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274 | red=BINDGEN(!D.TABLE_SIZE) |
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275 | green=BINDGEN(!D.TABLE_SIZE) |
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276 | blue=BINDGEN(!D.TABLE_SIZE) |
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277 | imageColorMode='PSEUDO' |
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278 | if (*pState).colorMode EQ 'TRUE' then DEVICE,DECOMPOSED=0 |
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279 | TVLCT,red,green,blue |
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280 | endif |
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281 | ratio=FLOAT(info.dimensions[0])/info.dimensions[1] |
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282 | ;resize image if necessary: |
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283 | if info.dimensions[0] GT 710 or info.dimensions[1] GT 650 then begin |
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284 | if ratio GE 1.09231 then begin |
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285 | factor=(710./info.dimensions[0]) |
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286 | xSize=710 |
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287 | ySize=ROUND(info.dimensions[1]*factor) |
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288 | if imageColorMode EQ 'PSEUDO' then image=CONGRID(image,710,ySize) |
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289 | if imageColorMode EQ 'TRUE' then image=CONGRID(image,3,710,ySize) |
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290 | endif else begin |
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291 | factor=(650./info.dimensions[1]) |
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292 | xSize=ROUND(info.dimensions[0]*factor) |
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293 | ySize=650 |
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294 | if imageColorMode EQ 'PSEUDO' then image=CONGRID(image,xSize,650) |
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295 | if imageColorMode EQ 'TRUE' then image=CONGRID(image,3,xSize,650) |
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296 | endelse |
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297 | endif else begin |
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298 | xSize=info.dimensions[0] |
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299 | ySize=info.dimensions[1] |
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300 | endelse |
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301 | ;create thumbnail: |
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302 | if xSize GT 80 or ySize GT 80 then begin |
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303 | if ratio GE 1.09231 then begin |
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304 | factor=(80./info.dimensions[0]) |
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305 | thumbxSize=80 |
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306 | thumbySize=ROUND(info.dimensions[1]*factor) |
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307 | if imageColorMode EQ 'PSEUDO' then thumb=CONGRID(image,80,thumbySize) |
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308 | if imageColorMode EQ 'TRUE' then thumb=CONGRID(image,3,80,thumbySize) |
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309 | endif else begin |
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310 | factor=(80./info.dimensions[1]) |
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311 | thumbxSize=ROUND(info.dimensions[0]*factor) |
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312 | thumbySize=80 |
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313 | if imageColorMode EQ 'PSEUDO' then thumb=CONGRID(image,thumbxSize,80) |
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314 | if imageColorMode EQ 'TRUE' then thumb=CONGRID(image,3,thumbxSize,80) |
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315 | endelse |
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316 | xOffset=ROUND((80-thumbxSize)/2.) |
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317 | yOffset=ROUND((80-thumbySize)/2.) |
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318 | endif else begin |
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319 | bottom=FLOOR((80-ySize)/2.) |
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320 | top=bottom+ySize-1 |
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321 | left=FLOOR((80-xSize)/2.) |
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322 | right=left+xSize-1 |
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323 | if imageColorMode EQ 'PSEUDO' then begin |
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324 | thumb=BYTARR(80,80) |
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325 | thumb[left:right,bottom:top]=image |
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326 | endif else begin ;imageColorMode EQ 'TRUE': |
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327 | thumb=BYTARR(3,80,80) |
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328 | thumb[*,left:right,bottom:top]=image |
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329 | endelse |
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330 | xOffset=0 |
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331 | yOffset=0 |
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332 | endelse |
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333 | if imageColorMode EQ 'PSEUDO' then TV,TEMPORARY(thumb),xOffset,yOffset |
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334 | if imageColorMode EQ 'TRUE' then TV,TEMPORARY(thumb),xOffset,yOffset,TRUE=1 |
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335 | imageStruct={image:TEMPORARY(image),xSize:xSize,ySize:ySize,imageColorMode:imageColorMode,$ |
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336 | red:TEMPORARY(red),green:TEMPORARY(green),blue:TEMPORARY(blue)} |
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337 | *(*(*pState).images)[i]=TEMPORARY(imageStruct) |
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338 | endif |
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339 | ; |
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340 | if extension EQ 'GIF' and (*pState).gifFlag EQ 1 then begin |
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341 | result=QUERY_GIF((*(*pState).files)[i],info) |
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342 | if result NE 1 then begin |
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343 | dummy=DIALOG_MESSAGE(['An error has occurred. This is due to one of the following reasons :','',$ |
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344 | '1) This installation of IDL is not licensed for GIF technology patented',$ |
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345 | 'by the Unisys Corporation.','',$ |
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346 | '2) Selected file:','',(*(*pState).files)[i],'',$ |
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347 | 'is not a valid GIF file.'],/ERROR) |
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348 | if (i MOD 3) EQ 0 then (*pState).rowBase=WIDGET_BASE((*pState).thumbBase,/ROW,/ALIGN_LEFT) |
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349 | if (*pState).currFile EQ (*pState).nFiles-1 then begin |
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350 | ;last file ... terminate timer: |
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351 | (*pState).timer=0B |
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352 | (*pState).currFile=0L |
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353 | WIDGET_CONTROL,event.top,/DESTROY |
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354 | endif else begin |
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355 | ;increment file number and update progress slider: |
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356 | (*pState).currFile=(*pState).currFile+1 |
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357 | progressValue = ROUND((i+1)*(*pState).increment) < 100 |
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358 | WIDGET_CONTROL,(*pState).statusSlider,SET_VALUE=progressValue |
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359 | ;fire off timer again: |
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360 | WIDGET_CONTROL,(*pState).statusBase,TIMER=0.01 |
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361 | endelse |
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362 | RETURN |
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363 | endif |
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364 | if (i MOD 3) EQ 0 then (*pState).rowBase=WIDGET_BASE((*pState).thumbBase,/ROW,/ALIGN_LEFT) |
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365 | TVLCT,0,0,0,0 |
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366 | thumbDraw=WIDGET_DRAW((*pState).rowBase,/BUTTON_EVENTS,RETAIN=2,XSIZE=80,YSIZE=80,$ |
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367 | EVENT_PRO='image_viewer_thumbs',UVALUE=(i+1),UNAME=STRTRIM(i+1,2)) |
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368 | WAIT,0.01 |
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369 | WIDGET_CONTROL,thumbDraw,GET_VALUE=drawID |
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370 | WSET,drawID |
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371 | if info.has_palette EQ 1 then begin |
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372 | READ_GIF,(*(*pState).files)[i],image,red,green,blue |
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373 | trueColorImage=BYTARR(3,info.dimensions[0],info.dimensions[1]) |
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374 | trueColorImage[0,*,*]=red[image] |
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375 | trueColorImage[1,*,*]=green[image] |
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376 | trueColorImage[2,*,*]=blue[image] |
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377 | image=COLOR_QUAN(TEMPORARY(trueColorImage),1,red,green,blue,COLORS=!D.TABLE_SIZE-1) |
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378 | red=[[0],TEMPORARY(red)] |
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379 | green=[[0],TEMPORARY(green)] |
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380 | blue=[[0],TEMPORARY(blue)] |
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381 | image=TEMPORARY(image)+1B |
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382 | endif |
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383 | if info.has_palette EQ 0 then begin |
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384 | READ_GIF,(*(*pState).files)[i],image |
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385 | if (*pState).colorMode EQ 'PSEUDO' then image=BYTSCL(TEMPORARY(image),TOP=!D.TABLE_SIZE-1) |
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386 | red=BINDGEN(!D.TABLE_SIZE) |
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387 | green=BINDGEN(!D.TABLE_SIZE) |
---|
388 | blue=BINDGEN(!D.TABLE_SIZE) |
---|
389 | endif |
---|
390 | if (*pState).colorMode EQ 'TRUE' then DEVICE,DECOMPOSED=0 |
---|
391 | TVLCT,red,green,blue |
---|
392 | imageColorMode='PSEUDO' |
---|
393 | ratio=FLOAT(info.dimensions[0])/info.dimensions[1] |
---|
394 | ;resize image if necessary: |
---|
395 | if info.dimensions[0] GT 710 or info.dimensions[1] GT 650 then begin |
---|
396 | if ratio GE 1.09231 then begin |
---|
397 | factor=(710./info.dimensions[0]) |
---|
398 | xSize=710 |
---|
399 | ySize=ROUND(info.dimensions[1]*factor) |
---|
400 | image=CONGRID(image,710,ySize) |
---|
401 | endif else begin |
---|
402 | factor=(650./info.dimensions[1]) |
---|
403 | xSize=ROUND(info.dimensions[0]*factor) |
---|
404 | ySize=650 |
---|
405 | image=CONGRID(image,xSize,650) |
---|
406 | endelse |
---|
407 | endif else begin |
---|
408 | xSize=info.dimensions[0] |
---|
409 | ySize=info.dimensions[1] |
---|
410 | endelse |
---|
411 | ;create thumbnail: |
---|
412 | if xSize GT 80 or ySize GT 80 then begin |
---|
413 | if ratio GE 1.09231 then begin |
---|
414 | factor=(80./info.dimensions[0]) |
---|
415 | thumbxSize=80 |
---|
416 | thumbySize=ROUND(info.dimensions[1]*factor) |
---|
417 | thumb=CONGRID(image,80,thumbySize) |
---|
418 | endif else begin |
---|
419 | factor=(80./info.dimensions[1]) |
---|
420 | thumbxSize=ROUND(info.dimensions[0]*factor) |
---|
421 | thumbySize=80 |
---|
422 | thumb=CONGRID(image,thumbxSize,80) |
---|
423 | endelse |
---|
424 | xOffset=ROUND((80-thumbxSize)/2.) |
---|
425 | yOffset=ROUND((80-thumbySize)/2.) |
---|
426 | endif else begin |
---|
427 | bottom=FLOOR((80-ySize)/2.) |
---|
428 | top=bottom+ySize-1 |
---|
429 | left=FLOOR((80-xSize)/2.) |
---|
430 | right=left+xSize-1 |
---|
431 | thumb=BYTARR(80,80) |
---|
432 | thumb[left:right,bottom:top]=image |
---|
433 | xOffset=0 |
---|
434 | yOffset=0 |
---|
435 | endelse |
---|
436 | TV,TEMPORARY(thumb),xOffset,yOffset |
---|
437 | imageStruct={image:TEMPORARY(image),xSize:xSize,ySize:ySize,imageColorMode:imageColorMode,$ |
---|
438 | red:TEMPORARY(red),green:TEMPORARY(green),blue:TEMPORARY(blue)} |
---|
439 | *(*(*pState).images)[i]=TEMPORARY(imageStruct) |
---|
440 | endif |
---|
441 | ; |
---|
442 | if extension EQ 'BMP' then begin |
---|
443 | result=QUERY_BMP((*(*pState).files)[i],info) |
---|
444 | if result NE 1 then begin |
---|
445 | dummy=DIALOG_MESSAGE(['An error has occurred. This is due to one of the following reasons :','',$ |
---|
446 | '1) The selected BMP file is an "OS2" format file, which is not supported',$ |
---|
447 | 'by IMAGE_VIEWER.','',$ |
---|
448 | '2) Selected file:','',(*(*pState).files)[i],'',$ |
---|
449 | 'is not a valid BMP file.'],/ERROR) |
---|
450 | if (i MOD 3) EQ 0 then (*pState).rowBase=WIDGET_BASE((*pState).thumbBase,/ROW,/ALIGN_LEFT) |
---|
451 | if (*pState).currFile EQ (*pState).nFiles-1 then begin |
---|
452 | ;last file ... terminate timer: |
---|
453 | (*pState).timer=0B |
---|
454 | (*pState).currFile=0L |
---|
455 | WIDGET_CONTROL,event.top,/DESTROY |
---|
456 | endif else begin |
---|
457 | ;increment file number and update progress slider: |
---|
458 | (*pState).currFile=(*pState).currFile+1 |
---|
459 | progressValue = ROUND((i+1)*(*pState).increment) < 100 |
---|
460 | WIDGET_CONTROL,(*pState).statusSlider,SET_VALUE=progressValue |
---|
461 | ;fire off timer again: |
---|
462 | WIDGET_CONTROL,(*pState).statusBase,TIMER=0.01 |
---|
463 | endelse |
---|
464 | RETURN |
---|
465 | endif |
---|
466 | if (i MOD 3) EQ 0 then (*pState).rowBase=WIDGET_BASE((*pState).thumbBase,/ROW,/ALIGN_LEFT) |
---|
467 | TVLCT,0,0,0,0 |
---|
468 | thumbDraw=WIDGET_DRAW((*pState).rowBase,/BUTTON_EVENTS,RETAIN=2,XSIZE=80,YSIZE=80,$ |
---|
469 | EVENT_PRO='image_viewer_thumbs',UVALUE=(i+1),UNAME=STRTRIM(i+1,2)) |
---|
470 | WAIT,0.01 |
---|
471 | WIDGET_CONTROL,thumbDraw,GET_VALUE=drawID |
---|
472 | WSET,drawID |
---|
473 | if info.channels EQ 3 then begin |
---|
474 | image=READ_BMP((*(*pState).files)[i],/RGB) |
---|
475 | if (*pState).colorMode EQ 'PSEUDO' then begin |
---|
476 | image=COLOR_QUAN(image,1,red,green,blue,COLORS=!D.TABLE_SIZE-1) |
---|
477 | red=[[0],TEMPORARY(red)] |
---|
478 | green=[[0],TEMPORARY(green)] |
---|
479 | blue=[[0],TEMPORARY(blue)] |
---|
480 | image=TEMPORARY(image)+1B |
---|
481 | imageColorMode='PSEUDO' |
---|
482 | TVLCT,red,green,blue |
---|
483 | endif else begin |
---|
484 | imageColorMode='TRUE' |
---|
485 | red=0B |
---|
486 | green=0B |
---|
487 | blue=0B |
---|
488 | DEVICE,DECOMPOSED=1 |
---|
489 | endelse |
---|
490 | endif |
---|
491 | if info.channels EQ 1 then begin |
---|
492 | image=READ_BMP((*(*pState).files)[i],red,green,blue) |
---|
493 | if info.has_palette EQ 0 then begin |
---|
494 | if (*pState).colorMode EQ 'PSEUDO' then image=BYTSCL(TEMPORARY(image),TOP=!D.TABLE_SIZE-1) |
---|
495 | red=BINDGEN(!D.TABLE_SIZE) |
---|
496 | green=BINDGEN(!D.TABLE_SIZE) |
---|
497 | blue=BINDGEN(!D.TABLE_SIZE) |
---|
498 | endif else begin |
---|
499 | trueColorImage=BYTARR(3,info.dimensions[0],info.dimensions[1]) |
---|
500 | trueColorImage[0,*,*]=red[image] |
---|
501 | trueColorImage[1,*,*]=green[image] |
---|
502 | trueColorImage[2,*,*]=blue[image] |
---|
503 | image=COLOR_QUAN(TEMPORARY(trueColorImage),1,red,green,blue,COLORS=!D.TABLE_SIZE-1) |
---|
504 | red=[[0],TEMPORARY(red)] |
---|
505 | green=[[0],TEMPORARY(green)] |
---|
506 | blue=[[0],TEMPORARY(blue)] |
---|
507 | image=TEMPORARY(image)+1B |
---|
508 | endelse |
---|
509 | imageColorMode='PSEUDO' |
---|
510 | if (*pState).colorMode EQ 'TRUE' then DEVICE,DECOMPOSED=0 |
---|
511 | TVLCT,red,green,blue |
---|
512 | endif |
---|
513 | ratio=FLOAT(info.dimensions[0])/info.dimensions[1] |
---|
514 | ;resize image if necessary: |
---|
515 | if info.dimensions[0] GT 710 or info.dimensions[1] GT 650 then begin |
---|
516 | if ratio GE 1.09231 then begin |
---|
517 | factor=(710./info.dimensions[0]) |
---|
518 | xSize=710 |
---|
519 | ySize=ROUND(info.dimensions[1]*factor) |
---|
520 | if imageColorMode EQ 'PSEUDO' then image=CONGRID(image,710,ySize) |
---|
521 | if imageColorMode EQ 'TRUE' then image=CONGRID(image,3,710,ySize) |
---|
522 | endif else begin |
---|
523 | factor=(650./info.dimensions[1]) |
---|
524 | xSize=ROUND(info.dimensions[0]*factor) |
---|
525 | ySize=650 |
---|
526 | if imageColorMode EQ 'PSEUDO' then image=CONGRID(image,xSize,650) |
---|
527 | if imageColorMode EQ 'TRUE' then image=CONGRID(image,3,xSize,650) |
---|
528 | endelse |
---|
529 | endif else begin |
---|
530 | xSize=info.dimensions[0] |
---|
531 | ySize=info.dimensions[1] |
---|
532 | endelse |
---|
533 | ;create thumbnail: |
---|
534 | if xSize GT 80 or ySize GT 80 then begin |
---|
535 | if ratio GE 1.09231 then begin |
---|
536 | factor=(80./info.dimensions[0]) |
---|
537 | thumbxSize=80 |
---|
538 | thumbySize=ROUND(info.dimensions[1]*factor) |
---|
539 | if imageColorMode EQ 'PSEUDO' then thumb=CONGRID(image,80,thumbySize) |
---|
540 | if imageColorMode EQ 'TRUE' then thumb=CONGRID(image,3,80,thumbySize) |
---|
541 | endif else begin |
---|
542 | factor=(80./info.dimensions[1]) |
---|
543 | thumbxSize=ROUND(info.dimensions[0]*factor) |
---|
544 | thumbySize=80 |
---|
545 | if imageColorMode EQ 'PSEUDO' then thumb=CONGRID(image,thumbxSize,80) |
---|
546 | if imageColorMode EQ 'TRUE' then thumb=CONGRID(image,3,thumbxSize,80) |
---|
547 | endelse |
---|
548 | xOffset=ROUND((80-thumbxSize)/2.) |
---|
549 | yOffset=ROUND((80-thumbySize)/2.) |
---|
550 | endif else begin |
---|
551 | bottom=FLOOR((80-ySize)/2.) |
---|
552 | top=bottom+ySize-1 |
---|
553 | left=FLOOR((80-xSize)/2.) |
---|
554 | right=left+xSize-1 |
---|
555 | if imageColorMode EQ 'PSEUDO' then begin |
---|
556 | thumb=BYTARR(80,80) |
---|
557 | thumb[left:right,bottom:top]=image |
---|
558 | endif else begin ;imageColorMode EQ 'TRUE': |
---|
559 | thumb=BYTARR(3,80,80) |
---|
560 | thumb[*,left:right,bottom:top]=image |
---|
561 | endelse |
---|
562 | xOffset=0 |
---|
563 | yOffset=0 |
---|
564 | endelse |
---|
565 | if imageColorMode EQ 'PSEUDO' then TV,TEMPORARY(thumb),xOffset,yOffset |
---|
566 | if imageColorMode EQ 'TRUE' then TV,TEMPORARY(thumb),xOffset,yOffset,TRUE=1 |
---|
567 | imageStruct={image:TEMPORARY(image),xSize:xSize,ySize:ySize,imageColorMode:imageColorMode,$ |
---|
568 | red:TEMPORARY(red),green:TEMPORARY(green),blue:TEMPORARY(blue)} |
---|
569 | *(*(*pState).images)[i]=TEMPORARY(imageStruct) |
---|
570 | endif |
---|
571 | ; |
---|
572 | if extension EQ 'TIF' or extension EQ 'TIFF' then begin |
---|
573 | result=QUERY_TIFF((*(*pState).files)[i],info) |
---|
574 | if result NE 1 then begin |
---|
575 | dummy=DIALOG_MESSAGE(['An error has occurred. This is due to one of the following reasons :','',$ |
---|
576 | '1) The selected TIFF file has LZW (Lempel-Zif-Welch) compression and this installation',$ |
---|
577 | 'of IDL is not licensed for TIFF LZW technology patented by the Unisys Corporation.','',$ |
---|
578 | '2) Selected file:','',(*(*pState).files)[i],'',$ |
---|
579 | 'is not a valid TIFF file.'],/ERROR) |
---|
580 | if (i MOD 3) EQ 0 then (*pState).rowBase=WIDGET_BASE((*pState).thumbBase,/ROW,/ALIGN_LEFT) |
---|
581 | if (*pState).currFile EQ (*pState).nFiles-1 then begin |
---|
582 | ;last file ... terminate timer: |
---|
583 | (*pState).timer=0B |
---|
584 | (*pState).currFile=0L |
---|
585 | WIDGET_CONTROL,event.top,/DESTROY |
---|
586 | endif else begin |
---|
587 | ;increment file number and update progress slider: |
---|
588 | (*pState).currFile=(*pState).currFile+1 |
---|
589 | progressValue = ROUND((i+1)*(*pState).increment) < 100 |
---|
590 | WIDGET_CONTROL,(*pState).statusSlider,SET_VALUE=progressValue |
---|
591 | ;fire off timer again: |
---|
592 | WIDGET_CONTROL,(*pState).statusBase,TIMER=0.01 |
---|
593 | endelse |
---|
594 | RETURN |
---|
595 | endif |
---|
596 | if info.orientation NE 0 and info.orientation NE 1 and info.orientation NE 4 then begin |
---|
597 | dummy=DIALOG_MESSAGE('IMAGE_VIEWER only works with standard orientation TIFF files !',/ERROR) |
---|
598 | if (i MOD 3) EQ 0 then (*pState).rowBase=WIDGET_BASE((*pState).thumbBase,/ROW,/ALIGN_LEFT) |
---|
599 | if (*pState).currFile EQ (*pState).nFiles-1 then begin |
---|
600 | ;last file ... terminate timer: |
---|
601 | (*pState).timer=0B |
---|
602 | (*pState).currFile=0L |
---|
603 | WIDGET_CONTROL,event.top,/DESTROY |
---|
604 | endif else begin |
---|
605 | ;increment file number and update progress slider: |
---|
606 | (*pState).currFile=(*pState).currFile+1 |
---|
607 | progressValue = ROUND((i+1)*(*pState).increment) < 100 |
---|
608 | WIDGET_CONTROL,(*pState).statusSlider,SET_VALUE=progressValue |
---|
609 | ;fire off timer again: |
---|
610 | WIDGET_CONTROL,(*pState).statusBase,TIMER=0.01 |
---|
611 | endelse |
---|
612 | RETURN |
---|
613 | endif |
---|
614 | if (i MOD 3) EQ 0 then (*pState).rowBase=WIDGET_BASE((*pState).thumbBase,/ROW,/ALIGN_LEFT) |
---|
615 | TVLCT,0,0,0,0 |
---|
616 | thumbDraw=WIDGET_DRAW((*pState).rowBase,/BUTTON_EVENTS,RETAIN=2,XSIZE=80,YSIZE=80,$ |
---|
617 | EVENT_PRO='image_viewer_thumbs',UVALUE=(i+1),UNAME=STRTRIM(i+1,2)) |
---|
618 | WAIT,0.01 |
---|
619 | WIDGET_CONTROL,thumbDraw,GET_VALUE=drawID |
---|
620 | WSET,drawID |
---|
621 | if info.channels EQ 3 then begin |
---|
622 | image=READ_TIFF((*(*pState).files)[i],INTERLEAVE=0,ORDER=order,IMAGE_INDEX=0) |
---|
623 | if info.pixel_type NE 1 then image=BYTSCL(TEMPORARY(image)) |
---|
624 | if order EQ 1 then begin |
---|
625 | ;flip image: |
---|
626 | rImage=REFORM(image[0,*,*]) |
---|
627 | rImage=ROTATE(rImage,7) |
---|
628 | gImage=REFORM(image[1,*,*]) |
---|
629 | gImage=ROTATE(gImage,7) |
---|
630 | bImage=REFORM(image[2,*,*]) |
---|
631 | bImage=ROTATE(bImage,7) |
---|
632 | image=BYTARR(3,info.dimensions[0],info.dimensions[1]) |
---|
633 | image[0,*,*]=TEMPORARY(rImage) |
---|
634 | image[1,*,*]=TEMPORARY(gImage) |
---|
635 | image[2,*,*]=TEMPORARY(bImage) |
---|
636 | endif |
---|
637 | if (*pState).colorMode EQ 'PSEUDO' then begin |
---|
638 | image=COLOR_QUAN(image,1,red,green,blue,COLORS=!D.TABLE_SIZE-1) |
---|
639 | red=[[0],TEMPORARY(red)] |
---|
640 | green=[[0],TEMPORARY(green)] |
---|
641 | blue=[[0],TEMPORARY(blue)] |
---|
642 | image=TEMPORARY(image)+1B |
---|
643 | imageColorMode='PSEUDO' |
---|
644 | TVLCT,red,green,blue |
---|
645 | endif else begin |
---|
646 | imageColorMode='TRUE' |
---|
647 | red=0B |
---|
648 | green=0B |
---|
649 | blue=0B |
---|
650 | DEVICE,DECOMPOSED=1 |
---|
651 | endelse |
---|
652 | endif |
---|
653 | if info.channels EQ 1 then begin |
---|
654 | image=READ_TIFF((*(*pState).files)[i],red,green,blue,ORDER=order,IMAGE_INDEX=0) |
---|
655 | if info.pixel_type NE 1 then image=BYTSCL(TEMPORARY(image)) |
---|
656 | if order EQ 1 then begin |
---|
657 | ;flip image: |
---|
658 | image=ROTATE(TEMPORARY(image),7) |
---|
659 | endif |
---|
660 | if info.has_palette EQ 0 then begin |
---|
661 | if (*pState).colorMode EQ 'PSEUDO' then image=BYTSCL(TEMPORARY(image),TOP=!D.TABLE_SIZE-1) |
---|
662 | red=BINDGEN(!D.TABLE_SIZE) |
---|
663 | green=BINDGEN(!D.TABLE_SIZE) |
---|
664 | blue=BINDGEN(!D.TABLE_SIZE) |
---|
665 | endif else begin |
---|
666 | trueColorImage=BYTARR(3,info.dimensions[0],info.dimensions[1]) |
---|
667 | trueColorImage[0,*,*]=red[image] |
---|
668 | trueColorImage[1,*,*]=green[image] |
---|
669 | trueColorImage[2,*,*]=blue[image] |
---|
670 | image=COLOR_QUAN(TEMPORARY(trueColorImage),1,red,green,blue,COLORS=!D.TABLE_SIZE-1) |
---|
671 | red=[[0],TEMPORARY(red)] |
---|
672 | green=[[0],TEMPORARY(green)] |
---|
673 | blue=[[0],TEMPORARY(blue)] |
---|
674 | image=TEMPORARY(image)+1B |
---|
675 | endelse |
---|
676 | imageColorMode='PSEUDO' |
---|
677 | if (*pState).colorMode EQ 'TRUE' then DEVICE,DECOMPOSED=0 |
---|
678 | TVLCT,red,green,blue |
---|
679 | endif |
---|
680 | ratio=FLOAT(info.dimensions[0])/info.dimensions[1] |
---|
681 | ;resize image if necessary: |
---|
682 | if info.dimensions[0] GT 710 or info.dimensions[1] GT 650 then begin |
---|
683 | if ratio GE 1.09231 then begin |
---|
684 | factor=(710./info.dimensions[0]) |
---|
685 | xSize=710 |
---|
686 | ySize=ROUND(info.dimensions[1]*factor) |
---|
687 | if imageColorMode EQ 'PSEUDO' then image=CONGRID(image,710,ySize) |
---|
688 | if imageColorMode EQ 'TRUE' then image=CONGRID(image,3,710,ySize) |
---|
689 | endif else begin |
---|
690 | factor=(650./info.dimensions[1]) |
---|
691 | xSize=ROUND(info.dimensions[0]*factor) |
---|
692 | ySize=650 |
---|
693 | if imageColorMode EQ 'PSEUDO' then image=CONGRID(image,xSize,650) |
---|
694 | if imageColorMode EQ 'TRUE' then image=CONGRID(image,3,xSize,650) |
---|
695 | endelse |
---|
696 | endif else begin |
---|
697 | xSize=info.dimensions[0] |
---|
698 | ySize=info.dimensions[1] |
---|
699 | endelse |
---|
700 | ;create thumbnail: |
---|
701 | if xSize GT 80 or ySize GT 80 then begin |
---|
702 | if ratio GE 1.09231 then begin |
---|
703 | factor=(80./info.dimensions[0]) |
---|
704 | thumbxSize=80 |
---|
705 | thumbySize=ROUND(info.dimensions[1]*factor) |
---|
706 | if imageColorMode EQ 'PSEUDO' then thumb=CONGRID(image,80,thumbySize) |
---|
707 | if imageColorMode EQ 'TRUE' then thumb=CONGRID(image,3,80,thumbySize) |
---|
708 | endif else begin |
---|
709 | factor=(80./info.dimensions[1]) |
---|
710 | thumbxSize=ROUND(info.dimensions[0]*factor) |
---|
711 | thumbySize=80 |
---|
712 | if imageColorMode EQ 'PSEUDO' then thumb=CONGRID(image,thumbxSize,80) |
---|
713 | if imageColorMode EQ 'TRUE' then thumb=CONGRID(image,3,thumbxSize,80) |
---|
714 | endelse |
---|
715 | xOffset=ROUND((80-thumbxSize)/2.) |
---|
716 | yOffset=ROUND((80-thumbySize)/2.) |
---|
717 | endif else begin |
---|
718 | bottom=FLOOR((80-ySize)/2.) |
---|
719 | top=bottom+ySize-1 |
---|
720 | left=FLOOR((80-xSize)/2.) |
---|
721 | right=left+xSize-1 |
---|
722 | if imageColorMode EQ 'PSEUDO' then begin |
---|
723 | thumb=BYTARR(80,80) |
---|
724 | thumb[left:right,bottom:top]=image |
---|
725 | endif else begin ;imageColorMode EQ 'TRUE': |
---|
726 | thumb=BYTARR(3,80,80) |
---|
727 | thumb[*,left:right,bottom:top]=image |
---|
728 | endelse |
---|
729 | xOffset=0 |
---|
730 | yOffset=0 |
---|
731 | endelse |
---|
732 | if imageColorMode EQ 'PSEUDO' then TV,TEMPORARY(thumb),xOffset,yOffset |
---|
733 | if imageColorMode EQ 'TRUE' then TV,TEMPORARY(thumb),xOffset,yOffset,TRUE=1 |
---|
734 | imageStruct={image:TEMPORARY(image),xSize:xSize,ySize:ySize,imageColorMode:imageColorMode,$ |
---|
735 | red:TEMPORARY(red),green:TEMPORARY(green),blue:TEMPORARY(blue)} |
---|
736 | *(*(*pState).images)[i]=TEMPORARY(imageStruct) |
---|
737 | endif |
---|
738 | ; |
---|
739 | if extension EQ 'PNG' then begin |
---|
740 | result=QUERY_PNG((*(*pState).files)[i],info) |
---|
741 | if result NE 1 then begin |
---|
742 | dummy=DIALOG_MESSAGE(['Selected file:','',(*(*pState).files)[i],'',$ |
---|
743 | 'does not appear to be a valid PNG file !'],/ERROR) |
---|
744 | if (i MOD 3) EQ 0 then (*pState).rowBase=WIDGET_BASE((*pState).thumbBase,/ROW,/ALIGN_LEFT) |
---|
745 | if (*pState).currFile EQ (*pState).nFiles-1 then begin |
---|
746 | ;last file ... terminate timer: |
---|
747 | (*pState).timer=0B |
---|
748 | (*pState).currFile=0L |
---|
749 | WIDGET_CONTROL,event.top,/DESTROY |
---|
750 | endif else begin |
---|
751 | ;increment file number and update progress slider: |
---|
752 | (*pState).currFile=(*pState).currFile+1 |
---|
753 | progressValue = ROUND((i+1)*(*pState).increment) < 100 |
---|
754 | WIDGET_CONTROL,(*pState).statusSlider,SET_VALUE=progressValue |
---|
755 | ;fire off timer again: |
---|
756 | WIDGET_CONTROL,(*pState).statusBase,TIMER=0.01 |
---|
757 | endelse |
---|
758 | RETURN |
---|
759 | endif |
---|
760 | if (i MOD 3) EQ 0 then (*pState).rowBase=WIDGET_BASE((*pState).thumbBase,/ROW,/ALIGN_LEFT) |
---|
761 | TVLCT,0,0,0,0 |
---|
762 | thumbDraw=WIDGET_DRAW((*pState).rowBase,/BUTTON_EVENTS,RETAIN=2,XSIZE=80,YSIZE=80,$ |
---|
763 | EVENT_PRO='image_viewer_thumbs',UVALUE=(i+1),UNAME=STRTRIM(i+1,2)) |
---|
764 | WAIT,0.01 |
---|
765 | WIDGET_CONTROL,thumbDraw,GET_VALUE=drawID |
---|
766 | WSET,drawID |
---|
767 | if info.channels EQ 3 then begin |
---|
768 | image=READ_PNG((*(*pState).files)[i]) |
---|
769 | if info.pixel_type NE 1 then image=BYTSCL(TEMPORARY(image)) |
---|
770 | if (*pState).colorMode EQ 'PSEUDO' then begin |
---|
771 | image=COLOR_QUAN(image,1,red,green,blue,COLORS=!D.TABLE_SIZE-1) |
---|
772 | red=[[0],TEMPORARY(red)] |
---|
773 | green=[[0],TEMPORARY(green)] |
---|
774 | blue=[[0],TEMPORARY(blue)] |
---|
775 | image=TEMPORARY(image)+1B |
---|
776 | imageColorMode='PSEUDO' |
---|
777 | TVLCT,red,green,blue |
---|
778 | endif else begin |
---|
779 | imageColorMode='TRUE' |
---|
780 | red=0B |
---|
781 | green=0B |
---|
782 | blue=0B |
---|
783 | DEVICE,DECOMPOSED=1 |
---|
784 | endelse |
---|
785 | endif |
---|
786 | if info.channels EQ 1 then begin |
---|
787 | image=READ_PNG((*(*pState).files)[i],red,green,blue) |
---|
788 | if info.pixel_type NE 1 then image=BYTSCL(TEMPORARY(image)) |
---|
789 | if info.has_palette EQ 0 then begin |
---|
790 | if (*pState).colorMode EQ 'PSEUDO' then image=BYTSCL(TEMPORARY(image),TOP=!D.TABLE_SIZE-1) |
---|
791 | red=BINDGEN(!D.TABLE_SIZE) |
---|
792 | green=BINDGEN(!D.TABLE_SIZE) |
---|
793 | blue=BINDGEN(!D.TABLE_SIZE) |
---|
794 | endif else begin |
---|
795 | trueColorImage=BYTARR(3,info.dimensions[0],info.dimensions[1]) |
---|
796 | trueColorImage[0,*,*]=red[image] |
---|
797 | trueColorImage[1,*,*]=green[image] |
---|
798 | trueColorImage[2,*,*]=blue[image] |
---|
799 | image=COLOR_QUAN(TEMPORARY(trueColorImage),1,red,green,blue,COLORS=!D.TABLE_SIZE-1) |
---|
800 | red=[[0],TEMPORARY(red)] |
---|
801 | green=[[0],TEMPORARY(green)] |
---|
802 | blue=[[0],TEMPORARY(blue)] |
---|
803 | image=TEMPORARY(image)+1B |
---|
804 | endelse |
---|
805 | imageColorMode='PSEUDO' |
---|
806 | if (*pState).colorMode EQ 'TRUE' then DEVICE,DECOMPOSED=0 |
---|
807 | TVLCT,red,green,blue |
---|
808 | endif |
---|
809 | ratio=FLOAT(info.dimensions[0])/info.dimensions[1] |
---|
810 | ;resize image if necessary: |
---|
811 | if info.dimensions[0] GT 710 or info.dimensions[1] GT 650 then begin |
---|
812 | if ratio GE 1.09231 then begin |
---|
813 | factor=(710./info.dimensions[0]) |
---|
814 | xSize=710 |
---|
815 | ySize=ROUND(info.dimensions[1]*factor) |
---|
816 | if imageColorMode EQ 'PSEUDO' then image=CONGRID(image,710,ySize) |
---|
817 | if imageColorMode EQ 'TRUE' then image=CONGRID(image,3,710,ySize) |
---|
818 | endif else begin |
---|
819 | factor=(650./info.dimensions[1]) |
---|
820 | xSize=ROUND(info.dimensions[0]*factor) |
---|
821 | ySize=650 |
---|
822 | if imageColorMode EQ 'PSEUDO' then image=CONGRID(image,xSize,650) |
---|
823 | if imageColorMode EQ 'TRUE' then image=CONGRID(image,3,xSize,650) |
---|
824 | endelse |
---|
825 | endif else begin |
---|
826 | xSize=info.dimensions[0] |
---|
827 | ySize=info.dimensions[1] |
---|
828 | endelse |
---|
829 | ;create thumbnail: |
---|
830 | if xSize GT 80 or ySize GT 80 then begin |
---|
831 | if ratio GE 1.09231 then begin |
---|
832 | factor=(80./info.dimensions[0]) |
---|
833 | thumbxSize=80 |
---|
834 | thumbySize=ROUND(info.dimensions[1]*factor) |
---|
835 | if imageColorMode EQ 'PSEUDO' then thumb=CONGRID(image,80,thumbySize) |
---|
836 | if imageColorMode EQ 'TRUE' then thumb=CONGRID(image,3,80,thumbySize) |
---|
837 | endif else begin |
---|
838 | factor=(80./info.dimensions[1]) |
---|
839 | thumbxSize=ROUND(info.dimensions[0]*factor) |
---|
840 | thumbySize=80 |
---|
841 | if imageColorMode EQ 'PSEUDO' then thumb=CONGRID(image,thumbxSize,80) |
---|
842 | if imageColorMode EQ 'TRUE' then thumb=CONGRID(image,3,thumbxSize,80) |
---|
843 | endelse |
---|
844 | xOffset=ROUND((80-thumbxSize)/2.) |
---|
845 | yOffset=ROUND((80-thumbySize)/2.) |
---|
846 | endif else begin |
---|
847 | bottom=FLOOR((80-ySize)/2.) |
---|
848 | top=bottom+ySize-1 |
---|
849 | left=FLOOR((80-xSize)/2.) |
---|
850 | right=left+xSize-1 |
---|
851 | if imageColorMode EQ 'PSEUDO' then begin |
---|
852 | thumb=BYTARR(80,80) |
---|
853 | thumb[left:right,bottom:top]=image |
---|
854 | endif else begin ;imageColorMode EQ 'TRUE': |
---|
855 | thumb=BYTARR(3,80,80) |
---|
856 | thumb[*,left:right,bottom:top]=image |
---|
857 | endelse |
---|
858 | xOffset=0 |
---|
859 | yOffset=0 |
---|
860 | endelse |
---|
861 | if imageColorMode EQ 'PSEUDO' then TV,TEMPORARY(thumb),xOffset,yOffset |
---|
862 | if imageColorMode EQ 'TRUE' then TV,TEMPORARY(thumb),xOffset,yOffset,TRUE=1 |
---|
863 | imageStruct={image:TEMPORARY(image),xSize:xSize,ySize:ySize,imageColorMode:imageColorMode,$ |
---|
864 | red:TEMPORARY(red),green:TEMPORARY(green),blue:TEMPORARY(blue)} |
---|
865 | *(*(*pState).images)[i]=TEMPORARY(imageStruct) |
---|
866 | endif |
---|
867 | ;increment file number and update progress slider: |
---|
868 | (*pState).currFile=(*pState).currFile+1 |
---|
869 | progressValue = ROUND((i+1)*(*pState).increment) < 100 |
---|
870 | WIDGET_CONTROL,(*pState).statusSlider,SET_VALUE=progressValue |
---|
871 | ;fire off timer again: |
---|
872 | WIDGET_CONTROL,(*pState).statusBase,TIMER=0.01 |
---|
873 | endif else begin ;all files have already been read-in: |
---|
874 | (*pState).timer=0B |
---|
875 | (*pState).currFile=0L |
---|
876 | WIDGET_CONTROL,event.top,/DESTROY |
---|
877 | endelse |
---|
878 | endif else begin ;user hit "Cancel": |
---|
879 | (*pState).currFile=0L |
---|
880 | WIDGET_CONTROL,event.top,/DESTROY |
---|
881 | endelse |
---|
882 | END |
---|
883 | ; |
---|
884 | ;+ |
---|
885 | ; |
---|
886 | ; @param event {in}{required} |
---|
887 | ; |
---|
888 | ;- |
---|
889 | PRO image_viewer_exit,event |
---|
890 | ; |
---|
891 | compile_opt idl2, strictarrsubs |
---|
892 | ; |
---|
893 | ;THIS PROCEDURE IS CALLED WHEN A USER SELECTS "File > Exit" FROM THE MAIN MENU |
---|
894 | ;terminate the program by destroying the top-level-base (widgetID always stored in event.top): |
---|
895 | WIDGET_CONTROL,event.top,/DESTROY |
---|
896 | END |
---|
897 | ; |
---|
898 | ;+ |
---|
899 | ; |
---|
900 | ; @param event {in}{required} |
---|
901 | ; |
---|
902 | ;- |
---|
903 | PRO image_viewer_help,event |
---|
904 | ;THIS PROCEDURE IS CALLED WHEN A USER SELECTS "Help > Help on IMAGE_VIEWER" |
---|
905 | ;FROM THE MAIN MENU |
---|
906 | ; |
---|
907 | compile_opt idl2, strictarrsubs |
---|
908 | ; |
---|
909 | ;display a simple message: |
---|
910 | messageStr=['IMAGE_VIEWER written by AEB, 2002.','',$ |
---|
911 | 'The purpose of this program is to provide an interactive tool that can be used',$ |
---|
912 | 'to view JPEG, BMP, GIF, PNG, and TIFF picture files. In order to provide rapid',$ |
---|
913 | 'viewing capabilities the images are loaded into memory, which can cause the',$ |
---|
914 | 'initial file access to take a bit of time while the pictures are opened and',$ |
---|
915 | 'thumbnails are created.'] |
---|
916 | dummy=DIALOG_MESSAGE(messageStr,/info) |
---|
917 | END |
---|
918 | ; |
---|
919 | ;+ |
---|
920 | ; |
---|
921 | ; @param event {in}{required} |
---|
922 | ; |
---|
923 | ;- |
---|
924 | PRO image_viewer_thumbs,event |
---|
925 | ;THIS PROCEDURE IS CALLED WHEN A USER CLICKS ON ONE OF THE THUMBNAIL PICTURES |
---|
926 | ; |
---|
927 | compile_opt idl2, strictarrsubs |
---|
928 | ; |
---|
929 | ;error handling: |
---|
930 | !ERROR_STATE.CODE=0 |
---|
931 | CATCH,error |
---|
932 | if error NE 0 then begin |
---|
933 | HELP,/LAST_MESSAGE,OUTPUT=traceback |
---|
934 | messageStr=['Error Caught :','',traceback] |
---|
935 | dummy=DIALOG_MESSAGE(messageStr,/ERROR) |
---|
936 | RETURN |
---|
937 | endif |
---|
938 | if event.press EQ 1 then begin |
---|
939 | WIDGET_CONTROL,/HOURGLASS |
---|
940 | ;obtain state structure for top-level-base from its UVALUE: |
---|
941 | WIDGET_CONTROL,event.top,GET_UVALUE=pState |
---|
942 | WIDGET_CONTROL,(*pState).imageDraw,GET_VALUE=drawID |
---|
943 | WSET,drawID |
---|
944 | TVLCT,0,0,0,0 |
---|
945 | ERASE |
---|
946 | ;obtain current image data: |
---|
947 | WIDGET_CONTROL,event.id,GET_UVALUE=fileID |
---|
948 | imageStruct=*(*(*pState).images)[fileID-1] |
---|
949 | xOffset=ROUND((710-imageStruct.xSize)/2.) |
---|
950 | yOffset=ROUND((650-imageStruct.ySize)/2.) |
---|
951 | if (*pState).colorMode EQ 'PSEUDO' then begin |
---|
952 | TVLCT,imageStruct.red,imageStruct.green,imageStruct.blue |
---|
953 | TV,TEMPORARY(imageStruct.image),xOffset,yOffset |
---|
954 | endif else begin ;(*pState).colorMode EQ 'TRUE': |
---|
955 | if imageStruct.imageColorMode EQ 'PSEUDO' then begin |
---|
956 | DEVICE,DECOMPOSED=0 |
---|
957 | TVLCT,imageStruct.red,imageStruct.green,imageStruct.blue |
---|
958 | TV,TEMPORARY(imageStruct.image),xOffset,yOffset |
---|
959 | endif else begin ;imageStruct.imageColorMode EQ 'TRUE': |
---|
960 | DEVICE,DECOMPOSED=1 |
---|
961 | TV,TEMPORARY(imageStruct.image),xOffset,yOffset,TRUE=1 |
---|
962 | endelse |
---|
963 | endelse |
---|
964 | WIDGET_CONTROL,(*pState).fileText,SET_VALUE=(*(*pState).files)[fileID-1] |
---|
965 | endif |
---|
966 | END |
---|
967 | ; |
---|
968 | ;+ |
---|
969 | ; |
---|
970 | ; @param widgetID {in}{required} |
---|
971 | ; |
---|
972 | ;- |
---|
973 | PRO image_viewer_cleanup,widgetID |
---|
974 | ;THIS PROCEDURE IS CALLED WHEN THE PROGRAM IS TERMINATED AND XMANAGER REGISTERS A CLEANUP: |
---|
975 | ; |
---|
976 | compile_opt idl2, strictarrsubs |
---|
977 | ; |
---|
978 | ;obtain state structure for top-level-base from its uvalue: |
---|
979 | WIDGET_CONTROL,widgetID,GET_UVALUE=pState |
---|
980 | ;test for validity of state structure pointer: |
---|
981 | if PTR_VALID(pState) then begin |
---|
982 | ;reset original settings: |
---|
983 | !QUIET=(*pState).quietInit |
---|
984 | !ORDER=(*pState).orderInit |
---|
985 | !P.BACKGROUND=(*pState).backInit |
---|
986 | CD,(*pState).currentDir |
---|
987 | DEVICE,DECOMPOSED=(*pState).dc |
---|
988 | TVLCT,(*pState).r,(*pState).g,(*pState).b |
---|
989 | ;cleanup heap memory: |
---|
990 | PTR_FREE,TEMPORARY((*pState).files) |
---|
991 | numImages=N_ELEMENTS(*(*pState).images) |
---|
992 | if numImages NE 0 then PTR_FREE,*(*pState).images |
---|
993 | PTR_FREE,TEMPORARY((*pState).images) |
---|
994 | PTR_FREE,TEMPORARY(pState) |
---|
995 | endif |
---|
996 | END |
---|
997 | ; |
---|
998 | ;+ |
---|
999 | ; |
---|
1000 | ; @param event {in}{required} |
---|
1001 | ; |
---|
1002 | ;- |
---|
1003 | PRO image_viewer_event,event |
---|
1004 | ;THIS PROCEDURE IS CALLED WHEN A USER RESIZES THE TOP-LEVEL BASE |
---|
1005 | ; |
---|
1006 | compile_opt idl2, strictarrsubs |
---|
1007 | ; |
---|
1008 | ;error handling: |
---|
1009 | !ERROR_STATE.CODE=0 |
---|
1010 | CATCH,error |
---|
1011 | if error NE 0 then begin |
---|
1012 | HELP,/LAST_MESSAGE,OUTPUT=traceback |
---|
1013 | messageStr=['Error Caught :','',traceback] |
---|
1014 | dummy=DIALOG_MESSAGE(messageStr,/ERROR) |
---|
1015 | RETURN |
---|
1016 | endif |
---|
1017 | ;obtain state structure for top-level-base from its UVALUE: |
---|
1018 | WIDGET_CONTROL,event.top,GET_UVALUE=pState |
---|
1019 | ;reset widget size: |
---|
1020 | WIDGET_CONTROL,event.top,XSIZE=(*pState).tlbWidth,YSIZE=(*pState).tlbHeight,XOFFSET=0,YOFFSET=0 |
---|
1021 | END |
---|
1022 | ; |
---|
1023 | ;+ |
---|
1024 | ; |
---|
1025 | ;- |
---|
1026 | PRO image_viewer |
---|
1027 | ; |
---|
1028 | compile_opt idl2, strictarrsubs |
---|
1029 | ; |
---|
1030 | ;error handling: |
---|
1031 | !ERROR_STATE.CODE=0 |
---|
1032 | CATCH,error |
---|
1033 | if error NE 0 then begin |
---|
1034 | HELP,/LAST_MESSAGE,OUTPUT=traceback |
---|
1035 | messageStr=['Error Caught :','',traceback] |
---|
1036 | dummy=DIALOG_MESSAGE(messageStr,/ERROR) |
---|
1037 | !QUIET=quietInit |
---|
1038 | !ORDER=orderInit |
---|
1039 | !P.BACKGROUND=backInit |
---|
1040 | CD,currentDir |
---|
1041 | RETURN |
---|
1042 | endif |
---|
1043 | ;ignore beta and development build versions of IDL because string to float conversion will fail: |
---|
1044 | betaTest=STRPOS(STRLOWCASE(!VERSION.RELEASE),'beta') |
---|
1045 | buildTest=STRPOS(STRLOWCASE(!VERSION.RELEASE),'build') |
---|
1046 | ;check to make sure the version of IDL running is 5.5 or newer: |
---|
1047 | if betaTest EQ -1 and buildTest EQ -1 then begin |
---|
1048 | if FLOAT(!VERSION.RELEASE) LT 5.5 then begin |
---|
1049 | dummy=dialog_message('IMAGE_VIEWER is only supported in IDL version 5.5 or newer.',/ERROR) |
---|
1050 | RETURN |
---|
1051 | endif |
---|
1052 | endif |
---|
1053 | ;check to make sure there is adequate real estate: |
---|
1054 | DEVICE,GET_SCREEN_SIZE=screenSize |
---|
1055 | if (LONG(screenSize[0])*screenSize[1]) LT 786432 then begin |
---|
1056 | messageStr=['IMAGE_VIEWER requires the computer monitor (Display) to be',$ |
---|
1057 | 'configured in (1024 x 768) mode or better.'] |
---|
1058 | dummy=DIALOG_MESSAGE(messageStr) |
---|
1059 | RETURN |
---|
1060 | endif |
---|
1061 | ;check in auxiliary license: |
---|
1062 | result=LMGR("idl_tifflzw",VERSION='1.0') |
---|
1063 | result=LMGR("idl_gif",VERSION='1.0') |
---|
1064 | gifFlag=1B |
---|
1065 | if result NE 1 then begin |
---|
1066 | messageStr=['The ability to read GIF (and TIFF LZW compressed) images requires',$ |
---|
1067 | 'an auxiliary license in order to conform with the patent rights of the',$ |
---|
1068 | 'Unisys Corporation. IMAGE_VIEWER was unable to find the required',$ |
---|
1069 | 'license in this installation. Consequently, the ability to read GIF files',$ |
---|
1070 | 'will be disabled.'] |
---|
1071 | dummy=DIALOG_MESSAGE(messageStr) |
---|
1072 | gifFlag=0B |
---|
1073 | endif |
---|
1074 | ;warn users of color flashing if monitor in PseudoColor mode: |
---|
1075 | if !D.N_COLORS LE 256 then begin |
---|
1076 | messageStr=['The computer monitor (Display) is currently configured in 8-bit (256 Colors)',$ |
---|
1077 | 'PseudoColor mode. Due to the dynamic (read+write) nature of the colormap',$ |
---|
1078 | 'system for this visual, when a colortable is loaded for an image it affects',$ |
---|
1079 | 'all visible graphics windows, including the thumbnails of other images. This',$ |
---|
1080 | 'can lead to a phenomenon known as "color flashing".','',$ |
---|
1081 | 'If possible, it is recommended that you exit this program, reconfigure your',$ |
---|
1082 | 'monitor in 24-bit (TrueColor) mode or better, and restart IMAGE_VIEWER.'] |
---|
1083 | dummy=DIALOG_MESSAGE(messageStr) |
---|
1084 | endif |
---|
1085 | ;obtain the current working directory: |
---|
1086 | CD,CURRENT=currentDir |
---|
1087 | if STRUPCASE(!VERSION.OS_FAMILY) EQ 'WINDOWS' then begin |
---|
1088 | executeStr='cd "%USERPROFILE%\My Documents\My Pictures" & cd' |
---|
1089 | SPAWN,executeStr,pathInit,/HIDE |
---|
1090 | pathInit=pathInit[0] |
---|
1091 | result=FILE_TEST(pathInit,/READ) |
---|
1092 | if result EQ 1 then begin |
---|
1093 | CD,pathInit |
---|
1094 | endif else begin |
---|
1095 | result=FILE_TEST('C:\My Documents\My Pictures',/READ) |
---|
1096 | if result EQ 1 then begin |
---|
1097 | CD,'C:\My Documents\My Pictures' |
---|
1098 | endif else begin |
---|
1099 | result=FILE_TEST('C:\',/READ) |
---|
1100 | if result EQ 1 then CD,'C:\' |
---|
1101 | endelse |
---|
1102 | endelse |
---|
1103 | endif |
---|
1104 | ;suppress informational messaging: |
---|
1105 | quietInit=!QUIET |
---|
1106 | !QUIET=1 |
---|
1107 | ;make sure color decomposition is disabled: |
---|
1108 | DEVICE,GET_DECOMPOSED=dc |
---|
1109 | if !D.N_COLORS GT 256 then colorMode='TRUE' else colorMode='PSEUDO' |
---|
1110 | ;obtain the current color table: |
---|
1111 | TVLCT,r,g,b,/GET |
---|
1112 | LOADCT,0,/SILENT |
---|
1113 | ;force !ORDER=0: |
---|
1114 | orderInit=!ORDER |
---|
1115 | !ORDER=0 |
---|
1116 | ;force !P.BACKGROUND=0: |
---|
1117 | backInit=!P.BACKGROUND |
---|
1118 | !P.BACKGROUND=0 |
---|
1119 | ;create GUI: |
---|
1120 | tlb=WIDGET_BASE(TITLE='Image Viewer',/ROW,MBAR=menuBar,/TLB_SIZE_EVENTS,XOFFSET=0,YOFFSET=0) |
---|
1121 | fileMenu=WIDGET_BUTTON(menuBar,VALUE='File',/MENU) |
---|
1122 | fileBttn1=WIDGET_BUTTON(fileMenu,VALUE='Open Picture Files',EVENT_PRO='image_viewer_open_files') |
---|
1123 | fileBttn2=WIDGET_BUTTON(fileMenu,VALUE='Open All In Folder',EVENT_PRO='image_viewer_open_folder') |
---|
1124 | fileBttn3=WIDGET_BUTTON(fileMenu,VALUE='Exit',EVENT_PRO='image_viewer_exit') |
---|
1125 | helpMenu=WIDGET_BUTTON(menuBar,VALUE='Help',/MENU) |
---|
1126 | helpBttn1=WIDGET_BUTTON(helpMenu,VALUE='Help on IMAGE_VIEWER',EVENT_PRO='image_viewer_help') |
---|
1127 | controlsBase=WIDGET_BASE(tlb,/COLUMN,/FRAME,/ALIGN_TOP) |
---|
1128 | labelBase=WIDGET_BASE(controlsBase,/COLUMN,SCR_XSIZE=280) |
---|
1129 | thumbLabel=WIDGET_LABEL(labelBase,/ALIGN_CENTER,VALUE='CLICK ON THUMBNAIL TO VIEW IMAGE') |
---|
1130 | thumbBase=WIDGET_BASE(controlsBase,/COLUMN,/ALIGN_TOP,/FRAME,XSIZE=260,YSIZE=700,$ |
---|
1131 | /SCROLL,X_SCROLL_SIZE=260,Y_SCROLL_SIZE=650) |
---|
1132 | imageBase=WIDGET_BASE(tlb,/COLUMN,/FRAME,/ALIGN_TOP) |
---|
1133 | fileBase=WIDGET_BASE(imageBase,/ROW,/ALIGN_CENTER) |
---|
1134 | fileLabel=WIDGET_LABEL(fileBase,VALUE='Current Image File = ') |
---|
1135 | fileText=WIDGET_TEXT(fileBase,XSIZE=75,YSIZE=1) |
---|
1136 | imageDraw=WIDGET_DRAW(imageBase,XSIZE=710,YSIZE=650,RETAIN=2) |
---|
1137 | ;display the GUI on the computer monitor: |
---|
1138 | WIDGET_CONTROL,tlb,/REALIZE |
---|
1139 | ;obtain the top-level base geometry: |
---|
1140 | tlbGeom=WIDGET_INFO(tlb,/GEOMETRY) |
---|
1141 | tlbWidth=tlbGeom.xsize |
---|
1142 | tlbHeight=tlbGeom.ysize |
---|
1143 | if tlbWidth EQ 0 or tlbHeight EQ 0 then begin |
---|
1144 | WIDGET_CONTROL,tlb,TLB_GET_SIZE=tlbSize |
---|
1145 | tlbWidth=tlbSize[0] |
---|
1146 | tlbHeight=tlbSize[1] |
---|
1147 | endif |
---|
1148 | ;create state structure to store information needed by the other event handling procedures: |
---|
1149 | pState=PTR_NEW({files:PTR_NEW(/ALLOCATE_HEAP),$ |
---|
1150 | images:PTR_NEW(/ALLOCATE_HEAP),$ |
---|
1151 | screenSize:screenSize,quietInit:quietInit,orderInit:orderInit,tlb:tlb,statusBase:0L,$ |
---|
1152 | controlsBase:controlsBase,thumbBase:thumbBase,fileText:fileText,timer:0B,nFiles:0L,$ |
---|
1153 | currentDir:currentDir,imageDraw:imageDraw,dc:dc,r:r,g:g,b:b,gifFlag:gifFlag,statusSlider:0L,$ |
---|
1154 | backInit:backInit,colorMode:colorMode,tlbWidth:tlbWidth,tlbHeight:tlbHeight,currFile:0L,$ |
---|
1155 | rowBase:0L,increment:0.0}) |
---|
1156 | ;store this state structure in the uvalue of the top-level-base |
---|
1157 | ;so it can be obtained by other program units: |
---|
1158 | WIDGET_CONTROL,tlb,SET_UVALUE=pState |
---|
1159 | ;register the GUI with the XMANAGER event handler routine: |
---|
1160 | XMANAGER,'image_viewer',tlb,CLEANUP='image_viewer_cleanup' |
---|
1161 | END |
---|