Display.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
using System.IO;
namespace LEDhelper
{
public class Display
{
public enum ColorType
{
SINGLE,
DOUBLE,
THREE,
TRUECOLOR
};
public enum MatrixType
{
RG,
RGGR
}
public bool Horizontal { get; set; }
public int Width { get; set; }
public int Height { get; set; }
public Font DisplayFont { get; set; }
public Color ForeColor { get; set; }
public IList<string> Split(string content, int engFontWidth = 8)
{
List<string> result = new List<string>();
int start = 0;
int length = 1;
int width = 0;
while ((start + length) <= content.Length)
{
width += System.Text.Encoding.Default.GetBytes(content.Substring(start, 1)).Length == 1 ? engFontWidth : engFontWidth * 2;
string text = content.Substring(start, length);
if (width > Width)
{
width = 0;
if (length == 1)
{
result.Add(text);
start++;
}
else
{
result.Add(content.Substring(start, length - 1));
start += (length - 1);
length = 1;
}
}
else
{
length++;
}
}
if (start < content.Length)
{
result.Add(content.Substring(start, length == 1 ? 1 : length - 1));
}
return result;
}
public int CalculateEngCharCount(string content)
{
int count = 0;
for (int i = 0; i < content.Length; i++)
{
count += System.Text.Encoding.Default.GetBytes(content.Substring(i, 1)).Length > 1 ? 2 : 1;
}
return count;
}
public IList<string> SplitByGraphic(string content)
{
List<string> result = new List<string>();
Bitmap textBitmap = new Bitmap(Width, Height);
Graphics textG = Graphics.FromImage(textBitmap);
textG.FillRectangle(new SolidBrush(Color.Black), 0, 0, textBitmap.Width, textBitmap.Height);
Font textFont = DisplayFont;
int start = 0;
int length = 1;
while ((start + length) <= content.Length)
{
string text = content.Substring(start, length);
SizeF textSize = textG.MeasureString(text, textFont);
if (textSize.Width > Width)
{
if (length == 1)
{
result.Add(text);
start++;
}
else
{
result.Add(content.Substring(start, length - 1));
start += (length - 1);
length = 1;
}
}
else
{
length++;
}
}
result.Add(content.Substring(start, length - 1));
return result;
}
/// <summary>
/// 总的像素bit位点阵，一定是8的倍数
/// </summary>
/// <param name="content">每页的字模数据</param>
/// <param name="colorType"></param>
/// <param name="matrixType"></param>
/// <returns></returns>
public List<byte> ToBytes(Bitmap content, ColorType colorType, MatrixType matrixType)
{
List<byte> result = new List<byte>();
int height = content.Height;
int width = content.Width;
if (colorType == ColorType.SINGLE) // 单色
{
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x += 8)
{
byte bits = 0x00;
for (int i = 0; i < 8; i++)
{
Color rgb = content.GetPixel(x + i, y);
int r = rgb.R;
int g = rgb.G;
bool flag = r >= 127 | g >= 127;
bits += (byte)((flag ? 0 : 1) << (7 - i));
}
result.Add(bits);
}
}
}
else if (colorType == ColorType.DOUBLE) // 双色
{
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x += 8)
{
byte Rbits = 0x00;
byte Gbits = 0x00;
for (int i = 0; i < 8; i++)
{
Color rgb = content.GetPixel(x + i, y);
int r = rgb.R;
int g = rgb.G;
Rbits += (byte)((r >= 127 ? 0 : 1) << (7 - i));
Gbits += (byte)((g >= 127 ? 0 : 1) << (7 - i));
}
if (matrixType == MatrixType.RG)//r+g
{
result.Add(Rbits);
result.Add(Gbits);
}
else//g+r,r+g的屏幕反过来就是g+r
{
result.Add(Gbits);
result.Add(Rbits);
}
}
}
}
else if (colorType == ColorType.THREE) // 双色
{
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x += 8)
{
byte Rbits = 0x00;
byte Gbits = 0x00;
byte Bbits = 0x00;
for (int i = 0; i < 8; i++)
{
Color rgb = content.GetPixel(x + i, y);
int r = rgb.R;
int g = rgb.G;
int b = rgb.B;
Rbits += (byte)((r >= 127 ? 0 : 1) << (7 - i));
Gbits += (byte)((g >= 127 ? 0 : 1) << (7 - i));
Bbits += (byte)((b >= 127 ? 0 : 1) << (7 - i));
}
result.Add(Rbits);
result.Add(Gbits);
result.Add(Bbits);
}
}
}
else //全彩
{
for (int y = 0; y < height; y++)//遍历每列
{
for (int x = 0; x < width; x++)//遍历每行
{
Color rgb = content.GetPixel(x, y);
int r = rgb.R;//红色像素值
int g = rgb.G;//绿色像素值
int b = rgb.B;//蓝色像素值
//按照协议，RGB565模式对像素值编码，红色取高5位，绿色取高6位，蓝色取高5位，低位舍弃,从而一个像素需要用两个字节表示
//int data1 = ((r >> 3) << 11) & 0xF800;//红色
//int data2 = ((g >> 2) << 5) & 0x07E0;//绿色
//int data3 = (b >> 3) & 0x001F;//蓝色
//byte[] dbytes = System.BitConverter.GetBytes(data1 + data2 + data3);
int val = rgb.R >> 8 << 11;
val |= rgb.G >> 2 << 5;
val |= rgb.B >> 8;
// 获取RGB单色，并填充低位
int cRed = (val & 0xf800) >> 8;
int cGreen = (val & 0x07E0) >> 3;
int cBlue = (val & 0x001F) << 3;
int n888Color = (cRed << 16) + (cGreen << 8) + (cBlue << 0);
byte[] dbytes = System.BitConverter.GetBytes(n888Color);
result.Add(dbytes[0]);
result.Add(dbytes[1]);
}
}
}
return result;
}
/// <summary>
/// Create content based on text data. Chinese will be rotated.
/// </summary>
/// <param name="text">Text data.</param>
/// <param name="autoFit">Auto fit.</param>
/// <param name="aligment">Alignment.</param>
/// <returns>The btimap</returns>
public Bitmap CreateContent2(string text, bool autoFit = true, StringAlignment aligment = StringAlignment.Center)
{
Bitmap textBitmap = new Bitmap(Width, Height);
Graphics textG = Graphics.FromImage(textBitmap);
textG.FillRectangle(new SolidBrush(Color.Black), 0, 0, textBitmap.Width, textBitmap.Height);
Font textFont = DisplayFont;
SizeF textSize = textG.MeasureString(text, textFont);
Font tempFont = DisplayFont;
if (autoFit)
{
if (textSize.Width < Width && textSize.Height < Height)
{
do
{
textFont = tempFont;
tempFont = new Font(DisplayFont.FontFamily, textFont.Size + (float)0.2);
textSize = textG.MeasureString(text, tempFont);
}
while (textSize.Width < Width && textSize.Height < Height);
textSize = textG.MeasureString(text, textFont);
}
else
{
do
{
textFont = tempFont;
tempFont = new Font(DisplayFont.FontFamily, textFont.Size - (float)0.2);
textSize = textG.MeasureString(text, tempFont);
}
while (textSize.Width >= Width || textSize.Height >= Height);
textFont = tempFont;
}
}
else
{
if (textSize.Height < DisplayFont.Size)
{
do
{
textFont = tempFont;
tempFont = new Font(DisplayFont.FontFamily, textFont.Size + (float)0.2);
textSize = textG.MeasureString(text, tempFont);
}
while (textSize.Height < DisplayFont.Size);
textFont = tempFont;
}
else
{
do
{
textFont = tempFont;
tempFont = new Font(DisplayFont.FontFamily, textFont.Size - (float)0.2);
textSize = textG.MeasureString(text, tempFont);
}
while (textSize.Height >= DisplayFont.Size);
textFont = tempFont;
}
}
StringFormat textFormat = new StringFormat();
textFormat.Alignment = aligment;
textFormat.LineAlignment = StringAlignment.Center;
// 横屏
float x = 0.0f;
float y = textBitmap.Height / 2 + textBitmap.Height / 16;
switch (aligment)
{
case StringAlignment.Near:
x = 1;
break;
case StringAlignment.Center:
x = textBitmap.Width / 2;
break;
case StringAlignment.Far:
x = textBitmap.Width - 1;
break;
}
textG.DrawString(
text,
textFont,
new SolidBrush(ForeColor),
x,
y,
textFormat);
// 竖屏
if (!Horizontal)
{
textBitmap.RotateFlip(RotateFlipType.Rotate90FlipNone);
}
return textBitmap;
}
/// <summary>
/// Create content based on text data. Chinese won't be rotated.
/// </summary>
/// <param name="text">Text data.</param>
/// <param name="autoFit">Auto fit.</param>
/// <param name="aligment">Alignment.</param>
/// <returns>The btimap</returns>
public Bitmap CreateContent(string text, bool autoFit = true, StringAlignment aligment = StringAlignment.Center)
{
//int calWidth = Horizontal ? Width : Height;
//int calHeight = Horizontal ? Height : Width;
//Bitmap textBitmap = new Bitmap(Width, Height);
Horizontal = true;
int calWidth = 80;
int calHeight = 64;
Bitmap textBitmap = Horizontal ? new Bitmap(calWidth, calHeight) : new Bitmap(calHeight, calWidth);
Font font = new Font("宋体", 9f);
Graphics textG = Graphics.FromImage(textBitmap);
textG.FillRectangle(new SolidBrush(Color.Black), 0, 0, textBitmap.Width, textBitmap.Height);
textG.DrawString(text, font, Brushes.White, new PointF() { X = 0, Y = 0 });
string b = string.Join("", Enumerable.Range(0, 5120).Select(a => new { x = a % 80, y = a / 80 })
.Select(x => textBitmap.GetPixel(x.x, x.y).GetBrightness() > 0.5f ? "1" : "0"));
//textBox5.Text += b;
textBitmap.Save("1.bmp");
DisplayFont = new Font("宋体", 12, FontStyle.Regular);
Font textFont = DisplayFont;
SizeF textSize = textG.MeasureString(text, textFont);
Font tempFont = DisplayFont;
if (autoFit)
{
if (textSize.Width < calWidth && textSize.Height < calHeight)
{
do
{
textFont = tempFont;
tempFont = new Font(DisplayFont.FontFamily, textFont.Size + (float)0.2);
textSize = textG.MeasureString(text, tempFont);
}
while (textSize.Width < calWidth && textSize.Height < calHeight);
textSize = textG.MeasureString(text, textFont);
}
else
{
do
{
textFont = tempFont;
tempFont = new Font(DisplayFont.FontFamily, textFont.Size - (float)0.2);
textSize = textG.MeasureString(text, tempFont);
}
while (textSize.Width >= calHeight || textSize.Height >= calHeight);
textFont = tempFont;
}
}
else
{
if (textSize.Height < DisplayFont.Size)
{
do
{
textFont = tempFont;
tempFont = new Font(DisplayFont.FontFamily, textFont.Size + (float)0.2);
textSize = textG.MeasureString(text, tempFont);
}
while (textSize.Height < DisplayFont.Size);
textFont = tempFont;
}
else
{
do
{
textFont = tempFont;
tempFont = new Font(DisplayFont.FontFamily, textFont.Size - (float)0.2);
textSize = textG.MeasureString(text, tempFont);
}
while (textSize.Height >= DisplayFont.Size);
textFont = tempFont;
}
}
StringFormat textFormat = new StringFormat();
textFormat.Alignment = aligment;
textFormat.LineAlignment = StringAlignment.Center;
if (Horizontal) // 横屏
{
float x = 0.0f;
float y = textBitmap.Height / 2 + textBitmap.Height / 16;
switch (aligment)
{
case StringAlignment.Near:
x = 1;
break;
case StringAlignment.Center:
x = textBitmap.Width / 2;
break;
case StringAlignment.Far:
x = textBitmap.Width - 1;
break;
}
textG.DrawString(
text,
textFont,
new SolidBrush(ForeColor),
x,
y,
textFormat);
}
else // 竖屏
{
//float x = textBitmap.Width / 2 - textBitmap.Width / 16;
float x = textBitmap.Width / 2;
float y = 0.0f;
switch (aligment)
{
case StringAlignment.Near:
y = 2;
break;
case StringAlignment.Center:
y = textBitmap.Height / 2;
break;
case StringAlignment.Far:
y = textBitmap.Height - 2;
break;
}
textFormat.FormatFlags = StringFormatFlags.DirectionVertical;
textG.DrawString(
text,
textFont,
new SolidBrush(ForeColor),
x,
y,
textFormat);
}
// 竖屏
if (!Horizontal)
{
textBitmap.RotateFlip(RotateFlipType.Rotate270FlipNone);
}
return textBitmap;
}
/// <summary>
/// Create content based on text data. Chinese won't be rotated.
/// </summary>
/// <param name="text">Text data.</param>
/// <param name="smallFontWidth"></param>
/// <param name="bigFontWidth"></param>
/// <returns>The btimap</returns>
public Bitmap CreateContentX(string text, string fontStyle = "黑体", int smallFontWidth = 8, int bigFontWidth = 12)
{
int engFontWidth = Split(text, bigFontWidth).Count > 1 ? smallFontWidth : bigFontWidth;
Bitmap textBitmap = Horizontal ? new Bitmap(Width, Height) : new Bitmap(Height, Width);
Graphics textG = Graphics.FromImage(textBitmap);
textG.FillRectangle(new SolidBrush(Color.Black), 0, 0, textBitmap.Width, textBitmap.Height);
// English Char
Font engFont = new Font("Tahoma", engFontWidth, FontStyle.Regular);
SizeF engSize = textG.MeasureString("A", engFont);
Font tempEngFont = engFont;
if (engSize.Width <= engFontWidth)
{
while (engSize.Width <= engFontWidth)
{
tempEngFont = engFont;
engFont = new Font("Tahoma", (engFont.Size + 0.05f), FontStyle.Regular);
engSize = textG.MeasureString("A", engFont);
}
}
else
{
while (engSize.Width > engFontWidth)
{
engFont = new Font("Tahoma", (engFont.Size - 0.05f), FontStyle.Regular);
engSize = textG.MeasureString("A", engFont);
tempEngFont = engFont;
}
}
// Chinese Char
Font chiFont = new Font(fontStyle, engFontWidth, FontStyle.Regular);
SizeF chiSize = textG.MeasureString("中", chiFont);
Font tempChiFont = chiFont;
if (chiSize.Width <= engFontWidth)
{
while (chiSize.Width < engFontWidth)
{
tempChiFont = chiFont;
chiFont = new Font(fontStyle, (chiFont.Size + 0.05f), FontStyle.Regular);
chiSize = textG.MeasureString("A", chiFont);
}
}
else
{
while (chiSize.Width >= engFontWidth)
{
chiFont = new Font(fontStyle, (chiFont.Size - 0.05f), FontStyle.Regular);
chiSize = textG.MeasureString("A", chiFont);
tempChiFont = chiFont;
}
}
int chars = CalculateEngCharCount(text);
StringFormat textFormat = new StringFormat();
textFormat.Alignment = StringAlignment.Near;
textFormat.LineAlignment = StringAlignment.Center;
if (Horizontal) // 横屏
{
float x = ((float)textBitmap.Width - (float)chars * engFontWidth) / 2;
float y = textBitmap.Height / 2 + textBitmap.Height / 16;
for (int i = 0; i < text.Length; i++)
{
string c = text.Substring(i, 1);
if (System.Text.Encoding.Default.GetBytes(c).Length == 1)
{
x += engFontWidth;
textG.DrawString(
c,
engFont,
new SolidBrush(ForeColor),
x - engFontWidth + engFontWidth / 4.0f,
y,
textFormat);
}
else
{
x += (engFontWidth * 2);
textG.DrawString(
c,
chiFont,
new SolidBrush(ForeColor),
x - (engFontWidth * 2) + engFontWidth / 3.0f,
y,
textFormat);
}
}
}
else // 竖屏
{
float x = textBitmap.Width / 2 - textBitmap.Width / 16;
float y = ((float)textBitmap.Height - (float)chars * engFontWidth) / 2;
textFormat.FormatFlags = StringFormatFlags.DirectionVertical;
for (int i = 0; i < text.Length; i++)
{
string c = text.Substring(i, 1);
if (System.Text.Encoding.Default.GetBytes(c).Length == 1)
{
y += engFontWidth;
textG.DrawString(
c,
engFont,
new SolidBrush(ForeColor),
x,
y - engFontWidth,
textFormat);
}
else
{
y += (engFontWidth * 2);
textG.DrawString(
c,
chiFont,
new SolidBrush(ForeColor),
x,
y - (engFontWidth * 2) + engFontWidth / 3.0f,
textFormat);
}
}
}
// 竖屏
if (!Horizontal)
{
textBitmap.RotateFlip(RotateFlipType.Rotate270FlipNone);
}
return textBitmap;
}
}
}