8 be provided or otherwise made available to, or used by, any |
8 be provided or otherwise made available to, or used by, any |
9 other person. No title to or ownership of the software is |
9 other person. No title to or ownership of the software is |
10 hereby transferred. |
10 hereby transferred. |
11 " |
11 " |
12 |
12 |
13 'From Smalltalk/X, Version:2.10.5 on 28-jun-1995 at 6:45:45 am'! |
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14 |
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15 FileSelectionBox subclass:#ImageSelectionBox |
13 FileSelectionBox subclass:#ImageSelectionBox |
16 instanceVariableNames:'previewField preview info' |
14 instanceVariableNames:'previewField preview info' |
17 classVariableNames:'' |
15 classVariableNames:'' |
18 poolDictionaries:'' |
16 poolDictionaries:'' |
19 category:'Views-DialogBoxes' |
17 category:'Views-DialogBoxes' |
20 ! |
18 ! |
21 |
19 |
22 !ImageSelectionBox class methodsFor:'documentation'! |
20 !ImageSelectionBox class methodsFor:'documentation'! |
23 |
21 |
24 copyright |
22 copyright |
38 documentation |
36 documentation |
39 " |
37 " |
40 Like a fileSelectionBox, but adds a little preview field. |
38 Like a fileSelectionBox, but adds a little preview field. |
41 Nice. |
39 Nice. |
42 " |
40 " |
43 ! |
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44 |
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45 version |
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46 ^ '$Header: /cvs/stx/stx/libwidg2/Attic/ImageSelBox.st,v 1.3 1995-11-11 16:29:01 cg Exp $' |
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47 ! ! |
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48 |
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49 !ImageSelectionBox methodsFor:'user actions'! |
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50 |
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51 selectionChanged |
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52 "selections in list show the image" |
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53 |
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54 super selectionChanged. |
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55 self showPreview |
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56 ! |
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57 |
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58 showPreview |
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59 "show the image as thumbNail" |
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60 |
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61 |fileNameString fileName image| |
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62 |
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63 previewField label:nil. |
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64 info label:nil. |
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65 |
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66 preview value ifFalse:[ |
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67 ^ self |
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68 ]. |
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69 |
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70 " |
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71 show the image in the previewLabel |
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72 " |
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73 fileNameString := self contents. |
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74 (fileNameString notNil and:[fileNameString notEmpty]) ifTrue:[ |
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75 fileName := fileNameString asFilename. |
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76 (fileName exists |
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77 and:[fileName isDirectory not |
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78 and:[fileName isReadable]]) ifTrue:[ |
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79 |
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80 self topView withWaitCursorDo:[ |
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81 image := Image fromFile:fileNameString. |
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82 image notNil ifTrue:[ |
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83 info label:(resources string:'Size: %1 x %2' |
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84 with:image width printString |
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85 with:image height printString), |
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86 (resources string:' Depth: %1' |
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87 with:image depth printString). |
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88 |
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89 (image width <= 64 and:[image height <= 64]) ifFalse:[ |
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90 image := image magnifiedPreservingRatioTo:64@64. |
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91 ]. |
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92 " |
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93 for the thumbNail picture, |
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94 we can temporarily switch to a rough dither. |
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95 (this speeds up the thing quite a bit |
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96 " |
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97 (image depth > 2 |
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98 and:[Color fixColors isNil]) ifTrue:[ |
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99 "temporarily go to a 3x3x2 colormap ..." |
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100 Object errorSignal handle:[:ex | |
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101 'very low resolution colors' infoPrintNL. |
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102 Object errorSignal handle:[:ex | |
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103 'cannot allocate dither colors' infoPrintNL. |
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104 ex return |
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105 ] do:[ |
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106 Color getColorsRed:2 green:2 blue:2. |
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107 ] |
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108 ] do:[ |
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109 Color getColorsRed:5 green:5 blue:3. |
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110 ]. |
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111 previewField label:image. |
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112 Color releaseDitherColors. |
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113 ] ifFalse:[ |
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114 previewField label:image. |
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115 ] |
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116 ] |
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117 ] |
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118 ] |
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119 ] |
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120 ! ! |
41 ! ! |
121 |
42 |
122 !ImageSelectionBox methodsFor:'initialization'! |
43 !ImageSelectionBox methodsFor:'initialization'! |
123 |
44 |
124 initialize |
45 initialize |
181 |
102 |
182 selectionList superView |
103 selectionList superView |
183 bottomInset:(prefY + ViewSpacing + previewSize y + (frame borderWidth * 2) + ViewSpacing). |
104 bottomInset:(prefY + ViewSpacing + previewSize y + (frame borderWidth * 2) + ViewSpacing). |
184 ! ! |
105 ! ! |
185 |
106 |
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107 !ImageSelectionBox methodsFor:'user actions'! |
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108 |
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109 selectionChanged |
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110 "selections in list show the image" |
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111 |
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112 super selectionChanged. |
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113 self showPreview |
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114 ! |
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115 |
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116 showPreview |
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117 "show the image as thumbNail" |
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118 |
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119 |fileNameString fileName image| |
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120 |
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121 previewField label:nil. |
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122 info label:nil. |
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123 |
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124 preview value ifFalse:[ |
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125 ^ self |
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126 ]. |
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127 |
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128 " |
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129 show the image in the previewLabel |
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130 " |
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131 fileNameString := self contents. |
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132 (fileNameString notNil and:[fileNameString notEmpty]) ifTrue:[ |
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133 fileName := fileNameString asFilename. |
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134 (fileName exists |
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135 and:[fileName isDirectory not |
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136 and:[fileName isReadable]]) ifTrue:[ |
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137 |
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138 self topView withWaitCursorDo:[ |
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139 image := Image fromFile:fileNameString. |
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140 image notNil ifTrue:[ |
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141 info label:(resources string:'%1 x %2' |
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142 with:image width printString |
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143 with:image height printString), |
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144 (resources string:' Depth:%1' |
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145 with:image depth printString), |
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146 (resources string:' (%1)' |
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147 with:image photometric printString). |
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148 |
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149 (image width <= 64 and:[image height <= 64]) ifFalse:[ |
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150 image := image magnifiedPreservingRatioTo:64@64. |
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151 ]. |
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152 " |
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153 for the thumbNail picture, |
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154 we can temporarily switch to a rough dither. |
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155 (this speeds up the thing quite a bit |
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156 " |
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157 (image depth > 2 |
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158 and:[Color fixColors isNil]) ifTrue:[ |
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159 "temporarily go to a 3x3x2 colormap ..." |
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160 Object errorSignal handle:[:ex | |
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161 'very low resolution colors' infoPrintNL. |
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162 Object errorSignal handle:[:ex | |
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163 'cannot allocate dither colors' infoPrintNL. |
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164 ex return |
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165 ] do:[ |
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166 Color getColorsRed:2 green:2 blue:2. |
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167 ] |
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168 ] do:[ |
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169 Color getColorsRed:5 green:5 blue:3. |
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170 ]. |
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171 previewField label:image. |
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172 Color releaseDitherColors. |
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173 ] ifFalse:[ |
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174 previewField label:image. |
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175 ] |
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176 ] |
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177 ] |
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178 ] |
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179 ] |
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180 |
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181 "Modified: 7.6.1996 / 12:25:19 / cg" |
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182 ! ! |
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183 |
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184 !ImageSelectionBox class methodsFor:'documentation'! |
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185 |
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186 version |
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187 ^ '$Header: /cvs/stx/stx/libwidg2/Attic/ImageSelBox.st,v 1.4 1996-06-07 16:35:50 cg Exp $' |
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188 ! ! |