Created
December 18, 2022 12:17
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Crop Image
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| function cropImage(cropMode, sourceWidth, sourceHeight, targetD) { | |
| let result = {}; | |
| if (cropMode === 'Fill') { | |
| result.width = targetD; | |
| result.height = targetD; | |
| if (sourceWidth > sourceHeight) { | |
| result.type = 'landscape'; | |
| } else if (sourceWidth < sourceHeight) { | |
| result.type = 'portrait'; | |
| } else { | |
| result.type = 'square'; | |
| } | |
| } else if (cropMode === 'Fit') { | |
| if (sourceWidth > sourceHeight) { | |
| result.width = targetD; | |
| result.height = Math.round((sourceHeight / sourceWidth) * targetD); | |
| result.type = 'landscape'; | |
| } else if (sourceWidth < sourceHeight) { | |
| result.width = Math.round((sourceWidth / sourceHeight) * targetD); | |
| result.height = targetD; | |
| result.type = 'portrait'; | |
| } else { | |
| result.width = targetD; | |
| result.height = targetD; | |
| result.type = 'square'; | |
| } | |
| } else if (cropMode === 'Letterbox') { | |
| if (sourceWidth > sourceHeight) { | |
| result.width = Math.round((sourceWidth / sourceHeight) * targetD); | |
| result.height = targetD; | |
| result.type = 'landscape'; | |
| } else if (sourceWidth < sourceHeight) { | |
| result.width = targetD; | |
| result.height = Math.round((sourceHeight / sourceWidth) * targetD); | |
| result.type = 'portrait'; | |
| } else { | |
| result.width = targetD; | |
| result.height = targetD; | |
| result.type = 'square'; | |
| } | |
| } | |
| return result; | |
| } |
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