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List: cairo
Subject: [cairo] =?gb2312?b?16q3ojogQ0FJUk8gQVBJ?=
From: lixuanzhao <lixuanzhao () dascom ! cn>
Date: 2022-03-10 2:02:54
Message-ID: 202203101002541065833 () dascom ! cn
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lixuanzhao
发件人: lixuanzhao
发送时间: 2022-03-10 09:39
收件人: cairo
主题: CAIRO API
Cairo:
hello,
I have a question and hope to receive it.
It is found that there is a function
cairo_public cairo_surface_t *
cairo_image_surface_create_from_png (const char *filename);
If the read PNG background color is non transparent, the read data is 0xff.
Can this function only read the data of transparent background color?
I hope to get a reply and answer. Thank you.
lixuanzhao
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<DIV><B>发件人:</B> <A href="mailto:lixuanzhao@dascom.cn">lixuanzhao</A></DIV> \
<DIV><B>发送时间:</B> 2022-03-10 09:39</DIV> <DIV><B>收件人:</B> <A \
href="mailto:cairo@cairographics.org">cairo</A></DIV> <DIV><B>主题:</B> CAIRO \
API</DIV></DIV></DIV> <DIV>
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<DIV>Cairo:</DIV>
<DIV style="TEXT-INDENT: 2em">hello,</DIV>
<DIV style="TEXT-INDENT: 2em">
<DIV>I have a question and hope to receive it. </DIV>
<DIV>It is found that there is a function
<DIV style="FONT-WEIGHT: bold">cairo_public cairo_surface_t *</DIV>
<DIV
style="FONT-WEIGHT: bold">cairo_image_surface_create_from_png (const char
*filename);</DIV></DIV>
<DIV> If the read PNG background color is non transparent, the read data is 0xff.</DIV>
<DIV> Can this function only read the data of transparent background color?</DIV>
<DIV> I hope to get a reply and answer. Thank you.</DIV></DIV>
<DIV> </DIV>
<HR style="HEIGHT: 1px; WIDTH: 210px" align=left color=#b5c4df SIZE=1>
<DIV><SPAN>lixuanzhao</SPAN></DIV></DIV></DIV></BODY></HTML>
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