86 lines
2.0 KiB
Go
86 lines
2.0 KiB
Go
package zplgfa
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import (
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"image"
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_ "image/gif"
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_ "image/jpeg"
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_ "image/png"
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"log"
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"os"
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"testing"
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"strings"
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)
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type zplTest struct {
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file string
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zpl string
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}
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var zplTests []zplTest
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func init() {
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zplTests = []zplTest{
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{
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file: "./test.png",
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zpl: "^XA,^FS^FO0,0^GFA,32,51,3,,::01C000::,001C00::,1DDC00::,::^FS,^XZ",
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},
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{
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file: "./test2.png",
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zpl: "^XA,^FS^FO0,0^GFA,389,630,63,,038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038038000::1C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C71C7100::E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00E00:lJF00^FS,^XZ",
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},
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}
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}
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func Test_CompressASCII(t *testing.T) {
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if str := CompressASCII("FFFFFFFF000000"); str != "NFL0" {
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t.Fatalf("CompressASCII failed")
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}
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}
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func Test_ConvertToZPL(t *testing.T) {
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for i, testcase := range zplTests {
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filename, zplstring := testcase.file, testcase.zpl
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// open file
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file, err := os.Open(filename)
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if err != nil {
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log.Printf("Warning: could not open the file: %s\n", err)
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return
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}
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defer file.Close()
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// load image head information
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config, format, err := image.DecodeConfig(file)
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if err != nil {
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log.Printf("Warning: image not compatible, format: %s, config: %v, error: %s\n", format, config, err)
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}
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// reset file pointer to the beginning of the file
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file.Seek(0, 0)
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// load and decode image
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img, _, err := image.Decode(file)
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if err != nil {
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log.Printf("Warning: could not decode the file, %s\n", err)
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return
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}
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// flatten image
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flat := FlattenImage(img)
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// convert image to zpl compatible type
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gfimg := ConvertToZPL(flat, CompressedASCII)
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// remove whitespace - only for the test
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gfimg = strings.Replace(gfimg, " ", "", -1)
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gfimg = strings.Replace(gfimg, "\n", "", -1)
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if gfimg != zplstring {
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t.Fatalf("Testcase %d ConvertToZPL failed", i)
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}
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}
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}
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