355 lines
11 KiB
Go
355 lines
11 KiB
Go
package drawer
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import (
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"log"
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"golang.org/x/text/encoding/charmap"
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)
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const (
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CharGap = 1
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LineGap = 1
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FontCharW = 5
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FontCharH = 7
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LineH = FontCharH + LineGap
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)
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// Standard ASCII 5x7 font
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var stdFont = []byte{
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0x0, 0x0, 0x0, 0x0, 0x0, // Empty Cell
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0x3e, 0x5b, 0x4f, 0x5b, 0x3e, // Sad Smiley
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0x3e, 0x6b, 0x4f, 0x6b, 0x3e, // Happy Smiley
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0x1c, 0x3e, 0x7c, 0x3e, 0x1c, // Heart
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0x18, 0x3c, 0x7e, 0x3c, 0x18, // Diamond
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0x1c, 0x57, 0x7d, 0x57, 0x1c, // Clubs
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0x1c, 0x5e, 0x7f, 0x5e, 0x1c, // Spades
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0x18, 0x3c, 0x18, 0x0, 0x0, // Bullet Point
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0xff, 0xe7, 0xc3, 0xe7, 0xff, // Rev Bullet Point
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0x18, 0x24, 0x18, 0x0, 0x0, // Hollow Bullet Point
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0xff, 0xe7, 0xdb, 0xe7, 0xff, // Rev Hollow BP
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0x30, 0x48, 0x3a, 0x6, 0xe, // Male
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0x26, 0x29, 0x79, 0x29, 0x26, // Female
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0x40, 0x7f, 0x5, 0x5, 0x7, // Music Note 1
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0x40, 0x7f, 0x5, 0x25, 0x3f, // Music Note 2
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0x5a, 0x3c, 0xe7, 0x3c, 0x5a, // Snowflake
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0x7f, 0x3e, 0x1c, 0x1c, 0x8, // Right Pointer
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0x8, 0x1c, 0x1c, 0x3e, 0x7f, // Left Pointer
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0x14, 0x22, 0x7f, 0x22, 0x14, // UpDown Arrows
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0x5f, 0x5f, 0x0, 0x5f, 0x5f, // Double Exclamation
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0x6, 0x9, 0x7f, 0x1, 0x7f, // Paragraph Mark
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0x66, 0x89, 0x95, 0x6a, 0x0, // Section Mark
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0x60, 0x60, 0x60, 0x60, 0x60, // Double Underline
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0x94, 0xa2, 0xff, 0xa2, 0x94, // UpDown Underlined
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0x8, 0x4, 0x7e, 0x4, 0x8, // Up Arrow
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0x10, 0x20, 0x7e, 0x20, 0x10, // Down Arrow
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0x8, 0x8, 0x2a, 0x1c, 0x8, // Right Arrow
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0x8, 0x1c, 0x2a, 0x8, 0x8, // Left Arrow
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0x1e, 0x10, 0x10, 0x10, 0x10, // Angled
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0xc, 0x1e, 0xc, 0x1e, 0xc, // Squashed #
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0x30, 0x38, 0x3e, 0x38, 0x30, // Up Pointer
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0x6, 0xe, 0x3e, 0xe, 0x6, // Down Pointer
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0x0, 0x0, 0x0, 0x0, 0x0, // Space
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0x5f, 0x0, 0x0, 0x0, 0x0, // !
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0x3, 0x0, 0x3, 0x0, 0x0, // "
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0x14, 0x3e, 0x14, 0x3e, 0x14, // #
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0x24, 0x6a, 0x2b, 0x12, 0x0, // $
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0x63, 0x13, 0x8, 0x64, 0x63, // %
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0x36, 0x49, 0x56, 0x20, 0x50, // &
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0x3, 0x0, 0x0, 0x0, 0x0, // '
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0x1c, 0x22, 0x41, 0x0, 0x0, // (
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0x41, 0x22, 0x1c, 0x0, 0x0, // )
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0x28, 0x18, 0xe, 0x18, 0x28, // *
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0x8, 0x8, 0x3e, 0x8, 0x8, // +
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0xb0, 0x70, 0x0, 0x0, 0x0, // ,
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0x8, 0x8, 0x8, 0x8, 0x0, // -
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0x60, 0x60, 0x0, 0x0, 0x0, // .
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0x60, 0x18, 0x6, 0x1, 0x0, // /
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0x3e, 0x41, 0x41, 0x3e, 0x0, // 0
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0x42, 0x7f, 0x40, 0x0, 0x0, // 1
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0x62, 0x51, 0x49, 0x46, 0x0, // 2
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0x22, 0x41, 0x49, 0x36, 0x0, // 3
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0x18, 0x14, 0x12, 0x7f, 0x0, // 4
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0x27, 0x45, 0x45, 0x39, 0x0, // 5
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0x3e, 0x49, 0x49, 0x30, 0x0, // 6
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0x61, 0x11, 0x9, 0x7, 0x0, // 7
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0x36, 0x49, 0x49, 0x36, 0x0, // 8
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0x6, 0x49, 0x49, 0x3e, 0x0, // 9
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0x00, 0x0, 0x22, 0x0, 0x0, // :
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0x80, 0x50, 0x0, 0x0, 0x0, // ;
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0x10, 0x28, 0x44, 0x0, 0x0, // <
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0x14, 0x14, 0x14, 0x0, 0x0, // =
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0x44, 0x28, 0x10, 0x0, 0x0, // >
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0x2, 0x59, 0x9, 0x6, 0x0, // ?
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0x3e, 0x49, 0x55, 0x5d, 0xe, // @
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0x7e, 0x11, 0x11, 0x7e, 0x0, // A
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0x7f, 0x49, 0x49, 0x36, 0x0, // B
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0x3e, 0x41, 0x41, 0x22, 0x0, // C
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0x7f, 0x41, 0x41, 0x3e, 0x0, // D
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0x7f, 0x49, 0x49, 0x41, 0x0, // E
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0x7f, 0x9, 0x9, 0x1, 0x0, // F
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0x3e, 0x41, 0x49, 0x7a, 0x0, // G
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0x7f, 0x8, 0x8, 0x7f, 0x0, // H
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0x41, 0x7f, 0x41, 0x0, 0x0, // I
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0x30, 0x40, 0x41, 0x3f, 0x0, // J
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0x7f, 0x8, 0x14, 0x63, 0x0, // K
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0x7f, 0x40, 0x40, 0x40, 0x0, // L
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0x7f, 0x2, 0xc, 0x2, 0x7f, // M
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0x7f, 0x4, 0x8, 0x10, 0x7f, // N
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0x3e, 0x41, 0x41, 0x3e, 0x0, // O
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0x7f, 0x9, 0x9, 0x6, 0x0, // P
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0x3e, 0x41, 0x41, 0xbe, 0x0, // Q
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0x7f, 0x9, 0x9, 0x76, 0x0, // R
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0x46, 0x49, 0x49, 0x32, 0x0, // S
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0x1, 0x1, 0x7f, 0x1, 0x1, // T
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0x3f, 0x40, 0x40, 0x3f, 0x0, // U
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0xf, 0x30, 0x40, 0x30, 0xf, // V
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0x3f, 0x40, 0x38, 0x40, 0x3f, // W
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0x63, 0x14, 0x8, 0x14, 0x63, // X
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0x7, 0x8, 0x70, 0x8, 0x7, // Y
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0x61, 0x51, 0x49, 0x47, 0x0, // Z
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0x7f, 0x41, 0x0, 0x0, 0x0, // [
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0x1, 0x6, 0x18, 0x60, 0x0, //
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0x41, 0x7f, 0x0, 0x0, 0x0, // ]
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0x2, 0x1, 0x2, 0x0, 0x0, // ^
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0x40, 0x40, 0x40, 0x40, 0x0, // _
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0x1, 0x2, 0x0, 0x0, 0x0, // `
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0x20, 0x54, 0x54, 0x78, 0x0, // a
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0x7f, 0x44, 0x44, 0x38, 0x0, // b
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0x38, 0x44, 0x44, 0x28, 0x0, // c
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0x38, 0x44, 0x44, 0x7f, 0x0, // d
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0x38, 0x54, 0x54, 0x18, 0x0, // e
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0x4, 0x7e, 0x5, 0x0, 0x0, // f
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0x98, 0xa4, 0xa4, 0x78, 0x0, // g
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0x7f, 0x4, 0x4, 0x78, 0x0, // h
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0x44, 0x7d, 0x40, 0x0, 0x0, // i
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0x40, 0x80, 0x84, 0x7d, 0x0, // j
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0x7f, 0x10, 0x28, 0x44, 0x0, // k
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0x41, 0x7f, 0x40, 0x0, 0x0, // l
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0x7c, 0x4, 0x7c, 0x4, 0x78, // m
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0x7c, 0x4, 0x4, 0x78, 0x0, // n
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0x38, 0x44, 0x44, 0x38, 0x0, // o
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0xfc, 0x24, 0x24, 0x18, 0x0, // p
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0x18, 0x24, 0x24, 0xfc, 0x0, // q
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0x7c, 0x8, 0x4, 0x4, 0x0, // r
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0x48, 0x54, 0x54, 0x24, 0x0, // s
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0x4, 0x3f, 0x44, 0x0, 0x0, // t
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0x3c, 0x40, 0x40, 0x7c, 0x0, // u
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0x1c, 0x20, 0x40, 0x20, 0x1c, // v
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0x3c, 0x40, 0x3c, 0x40, 0x3c, // w
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0x44, 0x28, 0x10, 0x28, 0x44, // x
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0x9c, 0xa0, 0xa0, 0x7c, 0x0, // y
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0x64, 0x54, 0x4c, 0x0, 0x0, // z
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0x8, 0x36, 0x41, 0x0, 0x0, // {
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0x7f, 0x0, 0x0, 0x0, 0x0, // |
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0x41, 0x36, 0x8, 0x0, 0x0, // }
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0x8, 0x4, 0x8, 0x4, 0x0, // ~
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0x0, 0x0, 0x0, 0x0, 0x0, // Hollow Up Arrow
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0x7f, 0x55, 0x49, 0x55, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x03, 0x03, 0x00, 0x00, 0x00, // °
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7f, 0x41, 0x41, 0x41, 0x7f, // Empty
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0x7e, 0x11, 0x11, 0x7e, 0x0, // А
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0x7f, 0x49, 0x49, 0x31, 0x0, // Б
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0x7f, 0x49, 0x49, 0x36, 0x0, // В
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0x7f, 0x1, 0x1, 0x1, 0x0, // Г
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0xc0, 0x7e, 0x41, 0x7f, 0xc0, // Д
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0x7f, 0x49, 0x49, 0x41, 0x0, // Е
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0x77, 0x8, 0x7f, 0x8, 0x77, // Ж
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0x22, 0x41, 0x49, 0x36, 0x0, // З
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0x7f, 0x20, 0x10, 0x7f, 0x0, // И
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0x7f, 0x20, 0x11, 0x7d, 0x0, // Й
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0x7f, 0x8, 0x14, 0x63, 0x0, // К
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0x40, 0x3c, 0x2, 0x7f, 0x0, // Л
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0x7f, 0x2, 0xc, 0x2, 0x7f, // М
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0x7f, 0x8, 0x8, 0x7f, 0x0, // Н
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0x3e, 0x41, 0x41, 0x3e, 0x0, // О
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0x7f, 0x1, 0x1, 0x7f, 0x0, // П
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0x7f, 0x9, 0x9, 0x6, 0x0, // Р
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0x3e, 0x41, 0x41, 0x22, 0x0, // С
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0x1, 0x1, 0x7f, 0x1, 0x1, // Т
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0x47, 0x48, 0x48, 0x3f, 0x0, // У
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0xe, 0x11, 0x7f, 0x11, 0xe, // Ф
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0x63, 0x14, 0x8, 0x14, 0x63, // Х
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0x7f, 0x40, 0x40, 0x7f, 0xc0, // Ц
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0xf, 0x8, 0x8, 0x7f, 0x0, // Ч
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0x7f, 0x40, 0x7c, 0x40, 0x7f, // Ш
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0x7f, 0x40, 0x7c, 0x40, 0xff, // Щ
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0x1, 0x7f, 0x48, 0x48, 0x30, // Ъ
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0x7f, 0x48, 0x30, 0x0, 0x7f, // Ы
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0x7f, 0x48, 0x48, 0x30, 0x0, // Ь
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0x41, 0x49, 0x49, 0x3e, 0x0, // Э
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0x7f, 0x8, 0x3e, 0x41, 0x3e, // Ю
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0x46, 0x29, 0x19, 0x7f, 0x0, // Я
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0x20, 0x54, 0x54, 0x78, 0x0, // а
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0x3c, 0x4a, 0x4a, 0x31, 0x0, // б
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0x7e, 0x59, 0x56, 0x20, 0x0, // в
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0x7c, 0x4, 0x4, 0x4, 0x0, // г
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0xc0, 0x78, 0x44, 0x7c, 0xc0, // д
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0x38, 0x54, 0x54, 0x18, 0x0, // е
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0x6c, 0x10, 0x7c, 0x10, 0x6c, // ж
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0x48, 0x84, 0x94, 0x68, 0x0, // з
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0x7c, 0x20, 0x10, 0x7c, 0x0, // и
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0x7c, 0x21, 0x11, 0x7c, 0x0, // й
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0x7c, 0x10, 0x28, 0x44, 0x0, // к
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0x40, 0x38, 0x4, 0x7c, 0x0, // л
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0x7c, 0x8, 0x10, 0x8, 0x7c, // м
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0x7c, 0x10, 0x10, 0x7c, 0x0, // н
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0x38, 0x44, 0x44, 0x38, 0x0, // о
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0x7c, 0x4, 0x4, 0x7c, 0x0, // п
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0xfc, 0x24, 0x24, 0x18, 0x0, // р
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0x38, 0x44, 0x44, 0x28, 0x0, // с
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0x4, 0x7c, 0x4, 0x0, 0x0, // т
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0x9c, 0xa0, 0xa0, 0x7c, 0x0, // у
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0x18, 0x24, 0xfc, 0x24, 0x18, // ф
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0x44, 0x28, 0x10, 0x28, 0x44, // х
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0x7c, 0x40, 0x40, 0x7c, 0xc0, // ц
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0x1c, 0x10, 0x10, 0x7c, 0x0, // ч
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0x7c, 0x40, 0x70, 0x40, 0x7c, // ш
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0x7c, 0x40, 0x70, 0x40, 0xfc, // щ
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0x4, 0x7c, 0x48, 0x48, 0x30, // ъ
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0x7c, 0x48, 0x30, 0x0, 0x7c, // ы
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0x7c, 0x48, 0x48, 0x30, 0x0, // ь
|
||
0x44, 0x54, 0x54, 0x38, 0x0, // э
|
||
0x7c, 0x10, 0x38, 0x44, 0x38, // ю
|
||
0x48, 0x34, 0x14, 0x7c, 0x0, // я
|
||
}
|
||
|
||
func IntMin(a, b int) int {
|
||
if a < b {
|
||
return a
|
||
}
|
||
return b
|
||
}
|
||
|
||
func IntMax(a, b int) int {
|
||
if a > b {
|
||
return a
|
||
}
|
||
return b
|
||
}
|
||
|
||
func (d *drawer) putChar(x0, y0 int, c byte) {
|
||
if int(c) > len(stdFont)/5 {
|
||
return
|
||
}
|
||
|
||
//if x0+7 < 0 || y0+5 < 0 || y0 >= d.img.Rect.Dy() || x0 >= d.img.Rect.Dx() {
|
||
// return
|
||
//}
|
||
|
||
minX := IntMax(x0, 0) - x0
|
||
minY := IntMax(y0, 0) - y0
|
||
|
||
maxY := IntMin(y0+7, d.img.Rect.Dy()) - y0
|
||
maxX := IntMin(x0+5, d.img.Rect.Dx()) - x0
|
||
|
||
for yi := minY; yi < maxY; yi++ {
|
||
lineaddr := (y0+yi)*d.img.Stride + x0
|
||
for xi := minX; xi < maxX; xi++ {
|
||
d.img.Pix[lineaddr+xi] = ((stdFont[int(c)*5+xi] >> yi) & 1) * 255
|
||
}
|
||
}
|
||
}
|
||
|
||
func convertStr(str string) []byte {
|
||
out, err := charmap.Windows1251.NewEncoder().Bytes([]byte(str))
|
||
if err != nil {
|
||
log.Println("ENCODE ERROR: ", err.Error())
|
||
}
|
||
return out
|
||
}
|
||
|
||
func (d *drawer) PutText(x0, y0 int, text string) {
|
||
d.dev.LockImg()
|
||
defer d.dev.UnlockImg()
|
||
|
||
asciiStr := convertStr(text)
|
||
//asciiStr := []byte(text)
|
||
|
||
// Create font drawer
|
||
x := x0
|
||
for _, c := range asciiStr {
|
||
d.putChar(x, y0, c)
|
||
x += CharGap + FontCharW
|
||
}
|
||
|
||
// Calculate update mask
|
||
mask := uint32(0)
|
||
|
||
// Implementation dependent !!!
|
||
// Now for mt12232
|
||
my0 := min(3, max(0, int((y0)/8)))
|
||
my1 := min(3, max(0, int((y0+FontCharH-1)/8)))
|
||
|
||
mx0 := min(1, max(0, int(x0/61)))
|
||
mx1 := min(1, max(0, int((x0+FontCharW*len(text)-1)/61)))
|
||
|
||
//log.Println(x0, y0, x1, y1)
|
||
for y := my0; y <= my1; y++ {
|
||
for x := mx0; x <= mx1; x++ {
|
||
mask |= (1 << (x*4 + y))
|
||
}
|
||
}
|
||
d.dev.FlushByMask(mask)
|
||
}
|