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# This file is a Tcl script to test out PNG reading and writing.
# It is organized in the standard fasion for Tcl tests.
#
if {[string compare tests [info procs test]] == 1} {
source defs
}
catch {image delete i}
set pngdata \
{iVBORw0KGgoAAAANSUhEUgAAABAAAAAMCAIAAAGTgppAAAAABGdBTUEAAYagMeiWXwAAAHxJ
REFUKJGVUMERgDAIC54D+HMDmanbuI0zxQ38uYE+uALW66N5UUISqJCE4X52ACBZS2umPkCS
pPjAdZYJCUJy3Q57LLK7vURChdEfeWulqh4dRLa6zhJEE+B0N2OcEFtGVXNYvrQV9JwauH7G
76f+WCQGurv2MCwYvuEFQANGc3uOMFYAAAAASUVORK5CYII=}
test png-1.1 {} {
image create photo i -file folder.png
i data -format png
} $pngdata
test png-1.2 {} {
catch {image delete i}
image create photo i -data $pngdata
set data [i data -format png]
} $pngdata
test png-1.3 {} {
i blank
i put $data
set data [i data -format png]
} $pngdata
test png-1.4 {} {
i blank
i put $data -format png
set data [i data -format png]
} $pngdata
if {[info tclversion] < 8.0} {
return
}
test png-2.0 {Binary I/O with PNG images} {
i blank
set f [open folder.png r]
fconfigure $f -translation binary
set return [catch {i put [read $f]} msg]
close $f
lappend return $msg
} {0 {}}
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