forked from cemaden-educacao/WPD-MobileApp
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33 lines
748 B
33 lines
748 B
import { Dimensions } from "react-native";
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const screen_width = Dimensions.get("window").width;
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const dimensions = {
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text: {
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header: 24,
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secondary: 20,
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default: 18,
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tertiary: 14,
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},
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};
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/* imageScaleToSize (iw, ih, scale_w)
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* function for scaling images dinamically based on screen width
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*
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* iw: actual image width,
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* ih: actual image height,
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* scale_w: scale ratio of the image width.
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*
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* if scale_w is 50, then the returned value for width would
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* be 50% of the screen width
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*
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* returns:
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*
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*/
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function scaleDimsFromWidth(iw, ih, scale_w) {
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const sw = (scale_w / 100.0) * screen_width;
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const sh = ih * (sw / iw);
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return { width: sw, height: sh };
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}
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export { screen_width, scaleDimsFromWidth, dimensions };
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