Types
ColorRGBA16 = object r*, g*, b*, a*: uint16
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Png = ref object width*, height*, channels*, bitDepth*: int data*: seq[ColorRGBA] data16*: seq[ColorRGBA16]
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Lets
pngSignature = [uint8(137), 80, 78, 71, 13, 10, 26, 10]
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Procs
proc convertToImage(png: Png): Image {....raises: [], tags: [], forbids: [].}
- Converts a PNG into an Image by moving the data. This is faster but can only be done once. Source Edit
proc decodePng(data: pointer; len: int): Png {....raises: [PixieError], tags: [], forbids: [].}
- Decodes the PNG data. Source Edit
proc decodePng(data: string): Png {.inline, ...raises: [PixieError], tags: [], forbids: [].}
- Decodes the PNG data. Source Edit
proc decodePngDimensions(data: pointer; len: int): ImageDimensions {. ...raises: [PixieError], tags: [], forbids: [].}
- Decodes the PNG dimensions. Source Edit
proc decodePngDimensions(data: string): ImageDimensions {.inline, ...raises: [PixieError], tags: [], forbids: [].}
- Decodes the PNG dimensions. Source Edit
proc encodePng(image: Image): string {....raises: [PixieError], tags: [], forbids: [].}
- Encodes the image data into the PNG file format. Source Edit
proc encodePng(png: Png): string {....raises: [PixieError], tags: [], forbids: [].}
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proc encodePng(width, height, channels: int; data: pointer; len: int): string {. ...raises: [PixieError], tags: [], forbids: [].}
- Encodes the image data into the PNG file format. If data points to RGBA data, it is assumed to be straight alpha. Source Edit
proc rgba16(r, g, b, a: uint16): ColorRGBA16 {.inline, ...raises: [], tags: [], forbids: [].}
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