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Added option to transcode extension and thumbnailing to choose the color to use to fill in the background when converting an image with an alpha channel to a format without

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This commit is contained in:
Matthew Barbour
2020-06-14 11:36:52 -05:00
committed by Shish
parent 984c9702ec
commit 7f68ef1cfd
10 changed files with 97 additions and 28 deletions
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1
ext/image/config.php
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@ -11,6 +11,7 @@ abstract class ImageConfig
const THUMB_QUALITY = 'thumb_quality';
const THUMB_MIME = 'thumb_mime';
const THUMB_FIT = 'thumb_fit';
const THUMB_ALPHA_COLOR ='thumb_alpha_color';
const SHOW_META = 'image_show_meta';
const ILINK = 'image_ilink';

4
ext/image/main.php
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@ -37,6 +37,7 @@ class ImageIO extends Extension
$config->set_default_int(ImageConfig::THUMB_QUALITY, 75);
$config->set_default_string(ImageConfig::THUMB_MIME, MimeType::JPEG);
$config->set_default_string(ImageConfig::THUMB_FIT, Media::RESIZE_TYPE_FIT);
$config->set_default_string(ImageConfig::THUMB_ALPHA_COLOR, Media::DEFAULT_ALPHA_CONVERSION_COLOR);
if (function_exists(self::EXIF_READ_FUNCTION)) {
$config->set_default_bool(ImageConfig::SHOW_META, false);
@ -275,6 +276,9 @@ class ImageIO extends Extension
$sb->add_int_option(ImageConfig::THUMB_QUALITY, "Quality", true);
$sb->add_int_option(ImageConfig::THUMB_SCALING, "High-DPI Scale %", true);
if ($config->get_string(ImageConfig::THUMB_MIME)===MimeType::JPEG) {
$sb->add_color_option(ImageConfig::THUMB_ALPHA_COLOR, "Alpha Conversion Color", true);
}
$sb->end_table();