mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-09-21 22:02:23 +02:00
70 lines
1.9 KiB
Go
70 lines
1.9 KiB
Go
/*
|
|
Copyright 2014 Hajime Hoshi
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package blocks
|
|
|
|
import (
|
|
"github.com/hajimehoshi/ebiten"
|
|
"image/color"
|
|
)
|
|
|
|
func init() {
|
|
texturePaths["font"] = "images/blocks/font.png"
|
|
}
|
|
|
|
const charWidth = 8
|
|
const charHeight = 8
|
|
|
|
func textWidth(str string) int {
|
|
return charWidth * len(str)
|
|
}
|
|
|
|
func drawText(context ebiten.GraphicsContext, textures *Textures, str string, x, y, scale int, clr color.Color) {
|
|
fontTextureId := textures.GetTexture("font")
|
|
parts := []ebiten.TexturePart{}
|
|
|
|
locationX := 0
|
|
locationY := 0
|
|
for _, c := range str {
|
|
if c == '\n' {
|
|
locationX = 0
|
|
locationY += charHeight
|
|
continue
|
|
}
|
|
code := int(c)
|
|
x := (code % 16) * charWidth
|
|
y := ((code - 32) / 16) * charHeight
|
|
parts = append(parts, ebiten.TexturePart{
|
|
LocationX: locationX,
|
|
LocationY: locationY,
|
|
Source: ebiten.Rect{x, y, charWidth, charHeight},
|
|
})
|
|
locationX += charWidth
|
|
}
|
|
|
|
geoMat := ebiten.GeometryMatrixI()
|
|
geoMat.Scale(float64(scale), float64(scale))
|
|
geoMat.Translate(float64(x), float64(y))
|
|
clrMat := ebiten.ColorMatrixI()
|
|
clrMat.Scale(clr)
|
|
context.Texture(fontTextureId).Draw(parts, geoMat, clrMat)
|
|
}
|
|
|
|
func drawTextWithShadow(context ebiten.GraphicsContext, textures *Textures, str string, x, y, scale int, clr color.Color) {
|
|
drawText(context, textures, str, x+1, y+1, scale, color.RGBA{0, 0, 0, 0x80})
|
|
drawText(context, textures, str, x, y, scale, clr)
|
|
}
|