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This commit is contained in:
Jan Christian Grünhage 2017-05-26 15:33:18 +02:00
commit 9be1e1d07c
Signed by: jcgruenhage
GPG key ID: 321A67D9EE8BC3E1
8 changed files with 647 additions and 0 deletions
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13
.idea/libraries/GOPATH__pixclient_.xml Normal file
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<library name="GOPATH &lt;pixclient&gt;">
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<root url="file://$PROJECT_DIR$/../.." />
</CLASSES>
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</library>
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10
.idea/libraries/Go_SDK.xml Normal file
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<component name="libraryTable">
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</SOURCES>
</library>
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8
.idea/modules.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
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<module fileurl="file://$PROJECT_DIR$/.idea/pixclient.iml" filepath="$PROJECT_DIR$/.idea/pixclient.iml" />
</modules>
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</project>

11
.idea/pixclient.iml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
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<component name="NewModuleRootManager">
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<orderEntry type="sourceFolder" forTests="false" />
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<orderEntry type="library" name="GOPATH &lt;pixclient&gt;" level="project" />
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</module>

6
.idea/vcs.xml Normal file
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<mapping directory="$PROJECT_DIR$" vcs="Git" />
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481
.idea/workspace.xml Normal file
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<filePath value="$PROJECT_DIR$/main/test.go" />
<method />
</configuration>
<configuration default="false" name="go run markov.go" type="GoRunFileConfiguration" factoryName="Go Single File" temporary="true">
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<filePath value="$PROJECT_DIR$/markov/markov.go" />
<method />
</configuration>
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<working_directory value="$PROJECT_DIR$/" />
<go_parameters value="-i" />
<filePath value="$PROJECT_DIR$/" />
<kind value="FILE" />
<method />
</configuration>
<configuration default="true" type="GoRunFileConfiguration" factoryName="Go Single File">
<module name="pixclient" />
<working_directory value="$PROJECT_DIR$/" />
<filePath value="$PROJECT_DIR$/" />
<method />
</configuration>
<configuration default="true" type="GoTestRunConfiguration" factoryName="Go Test">
<module name="pixclient" />
<working_directory value="$PROJECT_DIR$/" />
<go_parameters value="-i" />
<framework value="gotest" />
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<caret line="6" column="29" lean-forward="false" selection-start-line="6" selection-start-column="29" selection-end-line="6" selection-end-column="29" />
<folding />
</state>
</provider>
</entry>
<entry file="file://$PROJECT_DIR$/markov/markov.go">
<provider selected="true" editor-type-id="text-editor">
<state relative-caret-position="153">
<caret line="9" column="25" lean-forward="false" selection-start-line="9" selection-start-column="25" selection-end-line="9" selection-end-column="25" />
<folding>
<element signature="e#14#80#0" expanded="true" />
</folding>
</state>
</provider>
</entry>
<entry file="file://$PROJECT_DIR$/pixclient.go">
<provider selected="true" editor-type-id="text-editor">
<state relative-caret-position="306">
<caret line="18" column="0" lean-forward="true" selection-start-line="18" selection-start-column="0" selection-end-line="18" selection-end-column="0" />
<folding>
<element signature="e#19#47#0" expanded="true" />
</folding>
</state>
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</entry>
</component>
</project>

68
markov/markov.go Normal file
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@ -0,0 +1,68 @@
package main
import (
"math/rand"
"git.jcg.re/jcgruenhage/pixclient"
"net"
)
func main() {
x, y := 1920, 1200
client := pixclient.Init(net.IPv4(94, 45, 231, 39), 1234)
currentX := rand.Intn(x)
currentY := rand.Intn(y)
r, g, b := byte(255), byte(0), byte(0)
counter := 0
for true {
direction := rand.Intn(4)
for ((currentX == x-1) && (direction == 1)) || ((currentX == 0) && (direction == 3)) || ((currentY == y-1) && (direction == 2)) || ((currentY == 0) && (direction == 0)) {
direction = rand.Intn(4)
}
if direction == 0 {
currentY--
} else if direction == 1 {
currentX++
} else if direction == 2 {
currentY++
} else if direction == 3 {
currentX--
} else {
panic("Illegal Direction!")
}
if counter%500 == 0 {
iterateColor(&r, &g, &b)
}
client.WritePixel(currentX, currentY, r, g, b, 255)
counter++
}
}
func iterateColor(r, g, b *byte) {
if *r == 255 {
if *b != 0 {
*b--
} else if *g != 255 {
*g++
} else {
*r--
}
} else if *g == 255 {
if *r != 0 {
*r--
} else if *b != 255 {
*b++
} else {
*g--
}
} else if *b == 255 {
if *g != 0 {
*g--
} else if *r != 255 {
*r++
} else {
*b--
}
} else {
panic("Illegal state")
}
}

50
pixclient.go Normal file
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@ -0,0 +1,50 @@
package pixclient
import (
"net"
"strconv"
)
type Client struct {
connection net.Conn
}
func Init(addr net.IP, port int) *Client {
var client Client
connection, err := net.Dial("tcp", addr.String()+":"+strconv.Itoa(port))
client.connection = connection
check(err)
return &client
}
func (Client *Client) WritePixel(x, y int, r, g, b, a byte) {
var bytes []byte
bytes = append(appendTwoDigitHex(appendTwoDigitHex(appendTwoDigitHex(appendTwoDigitHex(append(append(append(append(append(
bytes, []byte("PX ")...),
[]byte(strconv.FormatInt(int64(x), 10))...),
[]byte(" ")...),
[]byte(strconv.FormatInt(int64(y), 10))...),
[]byte(" ")...),
r),
g),
b),
a),
[]byte("\n")...)
Client.connection.Write(bytes)
//
//Client.connection.Write([]byte(
// fmt.Sprintf("PX %d %d %X\n", x, y, []byte{r, g, b, a})))
}
func appendTwoDigitHex(bytes []byte, val byte) []byte {
if val < 0x10 {
bytes = append(bytes, []byte("0")...)
}
return strconv.AppendInt(bytes, int64(val), 16)
}
func check(e error) {
if e != nil {
panic(e)
}
}