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Save work on documentation tweaking.

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Michael R Sweet
2021-07-18 10:01:43 -04:00
parent 2cc4789cf6
commit b007156c01
5 changed files with 260 additions and 507 deletions
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26
pdfio-content.c
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@@ -1618,21 +1618,21 @@ pdfioFileCreateICCObjFromFile(
//
// 'pdfioFileCreateImageObjFromData()' - Add an image object to a PDF file from memory.
// 'pdfioFileCreateImageObjFromData()' - Add image object(s) to a PDF file from memory.
//
// This function creates an image object in a PDF file from a data buffer in
// memory. The "data" parameter points to the image data as 8-bit values. The
// "width" and "height" parameters specify the image dimensions. The
// "num_colors" parameter specifies the number of color components as follows:
// This function creates image object(s) in a PDF file from a data buffer in
// memory. The "data" parameter points to the image data as 8-bit color values.
// The "width" and "height" parameters specify the image dimensions. The
// "num_colors" parameter specifies the number of color components (`1` for
// grayscale, `3` for RGB, and `4` for CMYK) and the "alpha" parameter specifies
// whether each color tuple is followed by an alpha value. The "color_data"
// parameter specifies an optional color space array for the image - if `NULL`,
// the image is encoded in the corresponding device color space. The
// "interpolate" parameter specifies whether to interpolate when scaling the
// image on the page.
//
// - 1 = grayscale
// - 2 = grayscale + alpha
// - 3 = RGB
// - 4 = RGBA
//
// The "color_data" parameter specifies an optional color space array for the
// image. The "interpolate" parameter specifies whether to interpolate when
// scaling the image on the page.
// Note: When creating an image object with alpha, a second image object is
// created to hold the "soft mask" data for the primary image.
//
pdfio_obj_t * // O - Object