assets.go (1411B)
1 // Copyright 2014 Hajime Hoshi 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 //go:generate png2compressedrgba -input text.png -output /tmp/compressedTextRGBA 16 //go:generate file2byteslice -input /tmp/compressedTextRGBA -output textrgba.go -package assets -var compressedTextRGBA 17 //go:generate gofmt -s -w . 18 19 package assets 20 21 import ( 22 "bytes" 23 "compress/gzip" 24 "fmt" 25 "image" 26 "io/ioutil" 27 ) 28 29 const ( 30 imgWidth = 192 31 imgHeight = 128 32 33 CharWidth = 6 34 CharHeight = 16 35 ) 36 37 func CreateTextImage() *image.RGBA { 38 s, err := gzip.NewReader(bytes.NewReader(compressedTextRGBA)) 39 if err != nil { 40 panic(fmt.Sprintf("assets: gzip.NewReader failed: %v", err)) 41 } 42 defer s.Close() 43 44 pix, err := ioutil.ReadAll(s) 45 if err != nil { 46 panic(fmt.Sprintf("assets: ioutil.ReadAll failed: %v", err)) 47 } 48 return &image.RGBA{ 49 Pix: pix, 50 Stride: 4 * imgWidth, 51 Rect: image.Rect(0, 0, imgWidth, imgHeight), 52 } 53 }