private static void Create(int maxTextureWidth, int maxTextureHeight, int maxTextureCount, GlyphServer server, List <ChunkBase> chunkList)
{
var context = new PagesContext(maxTextureWidth, maxTextureHeight, maxTextureCount);
foreach (var item in chunkList)
{
item.Put(context);
}
Bitmap[] bitmaps = GenerateBitmaps(chunkList, context);
PrintChunks(chunkList, context, bitmaps);
FillDictionary(chunkList, context, server.dictionary, bitmaps[0].Width, bitmaps[0].Height);
Texture texture = GenerateTexture(bitmaps);
server.GlyphTexture = texture;
server.TextureWidth = bitmaps[0].Width;
server.TextureHeight = bitmaps[0].Height;
//// test: save bitmaps to disk.
//Test(server.dictionary, bitmaps);
foreach (var item in bitmaps)
{
item.Dispose();
}
}
private static GlyphServer Create(List <ChunkBase> chunkList, int maxTextureWidth, int maxTextureHeight, int maxTextureCount)
{
var context = new PagesContext(maxTextureWidth, maxTextureHeight, maxTextureCount);
foreach (var item in chunkList)
{
item.Put(context);
}
Bitmap[] bitmaps = GenerateBitmaps(chunkList, context.PageList.Count);
PrintChunks(chunkList, context, bitmaps);
Dictionary <string, GlyphInfo> dictionary = GetDictionary(chunkList, bitmaps[0].Width, bitmaps[0].Height);
Texture texture = GenerateTexture(bitmaps);
var server = new GlyphServer();
server.dictionary = dictionary;
server.GlyphTexture = texture;
server.TextureWidth = bitmaps[0].Width;
server.TextureHeight = bitmaps[0].Height;
//// test: save bitmaps to disk.
//Test(server.dictionary, bitmaps);
foreach (var item in bitmaps)
{
item.Dispose();
}
return(server);
}
private static Bitmap[] GenerateBitmaps(List <ChunkBase> chunkList, PagesContext context)
{
List <Page> list = context.PageList;
var bitmaps = new Bitmap[list.Count];
if (chunkList.Count == 0)
{
return(bitmaps);
}
//var sizes = new SizeF[bitmaps.Length];
var widths = new float[bitmaps.Length];
var heights = new float[bitmaps.Length];
for (int i = 0; i < chunkList.Count; i++)
{
ChunkBase chunk = chunkList[i];
int index = chunk.PageIndex;
if (index >= list.Count) // this happens when chunks overflows of max pages.
{
continue;
}
float newWidth = chunk.LeftTop.X + chunk.Size.Width;
float newHeight = chunk.LeftTop.Y + chunk.Size.Height;
if (widths[index] < newWidth)
{
widths[index] = newWidth;
}
if (heights[index] < newHeight)
{
heights[index] = newHeight;
}
}
float maxWidth = 0.0f, maxHeight = 0.0f;
for (int i = 0; i < bitmaps.Length; i++)
{
if (maxWidth < widths[i])
{
maxWidth = widths[i];
}
if (maxHeight < heights[i])
{
maxHeight = heights[i];
}
}
for (int i = 0; i < bitmaps.Length; i++)
{
var bmp = new Bitmap((int)Math.Ceiling(maxWidth), (int)Math.Ceiling(maxHeight));
bitmaps[i] = bmp;
}
return(bitmaps);
}
private static void PrintChunks(List <ChunkBase> chunkList, PagesContext context, Bitmap[] bitmaps)
{
if (chunkList.Count == 0)
{
return;
}
var graphicses = new Graphics[bitmaps.Length];
var bmp = new Bitmap(1, 1);
var g = Graphics.FromImage(bmp);
int currentIndex = 0;
float currentWidth = 0;
foreach (var chunk in chunkList)
{
int index = chunk.PageIndex;
if (index >= bitmaps.Length)
{
continue;
}
if (currentIndex != index)
{
currentIndex = index;
currentWidth = 0;
}
string bigStr = "丨" + chunk.Text + "丨";
SizeF bigSize = g.MeasureString(bigStr, chunk.TheFont);
var bigChunk = new Bitmap((int)bigSize.Width, (int)bigSize.Height);
var bigGraphics = Graphics.FromImage(bigChunk);
bigGraphics.DrawString(bigStr, chunk.TheFont, Brushes.White, 0, 0);
if (graphicses[index] == null)
{
graphicses[index] = Graphics.FromImage(bitmaps[index]);
}
graphicses[index].DrawImage(bigChunk,
new RectangleF(currentWidth, 0, chunk.Size.Width, chunk.Size.Height),
new RectangleF(
(bigSize.Width - chunk.Size.Width) / 2, 0,
chunk.Size.Width, chunk.Size.Height),
GraphicsUnit.Pixel);
currentWidth += chunk.Size.Width;
}
foreach (var grahpics in graphicses)
{
grahpics.Dispose();
}
g.Dispose();
bmp.Dispose();
}
private static void FillDictionary(List <ChunkBase> chunkList, PagesContext context, Dictionary <string, GlyphInfo> dictionary, int pageWidth, int pageHeight)
{
foreach (var chunk in chunkList)
{
string characters = chunk.Text;
float x0 = chunk.LeftTop.X; float x1 = x0 + chunk.Size.Width;
float y0 = chunk.LeftTop.Y;
float y1 = y0 + chunk.Size.Height;
int textureIndex = chunk.PageIndex;
var glyphInfo = new GlyphInfo(characters,
new vec2(x0 / pageWidth, y0 / pageHeight), new vec2(x1 / pageWidth, y1 / pageHeight), textureIndex);
dictionary.Add(characters, glyphInfo);
}
}
private static Bitmap[] GenerateBitmaps(List <ChunkBase> chunkList, PagesContext context)
{
List <Page> list = context.PageList;
var bitmaps = new Bitmap[list.Count];
if (chunkList.Count == 0)
{
return(bitmaps);
}
var sizes = new SizeF[list.Count];
for (int i = 0; i < chunkList.Count; i++)
{
ChunkBase chunk = chunkList[i];
if (chunk.PageIndex >= list.Count) // this happens when chunks overflows of max pages.
{
break;
}
int index = chunk.PageIndex;
sizes[index].Width += chunk.Size.Width;
sizes[index].Height = Math.Max(sizes[index].Height, chunk.Size.Height);
}
float maxWidth = 0.0f, maxHeight = 0.0f;
foreach (var size in sizes)
{
if (maxWidth < size.Width)
{
maxWidth = size.Width;
}
if (maxHeight < size.Height)
{
maxHeight = size.Height;
}
}
for (int i = 0; i < bitmaps.Length; i++)
{
var bmp = new Bitmap((int)maxWidth, (int)maxHeight);
bitmaps[i] = bmp;
}
return(bitmaps);
}
private static void PrintChunks(List <ChunkBase> chunkList, PagesContext context, Bitmap[] bitmaps)
{
if (chunkList.Count == 0)
{
return;
}
//var graphicses = new Graphics[bitmaps.Length];
var bmp = new Bitmap(1, 1);
var g = Graphics.FromImage(bmp);
foreach (var chunk in chunkList)
{
int index = chunk.PageIndex;
if (index >= bitmaps.Length)
{
continue;
}
string bigStr = "丨" + chunk.Text + "丨";
SizeF bigSize = g.MeasureString(bigStr, chunk.TheFont);
var bigBmp = new Bitmap((int)Math.Ceiling(bigSize.Width), (int)Math.Ceiling(bigSize.Height));
using (var bigGraphics = Graphics.FromImage(bigBmp))
{ bigGraphics.DrawString(bigStr, chunk.TheFont, Brushes.Black, 0, 0); }
//if (graphicses[index] == null) { graphicses[index] = Graphics.FromImage(bitmaps[index]); }
using (var graphics = Graphics.FromImage(bitmaps[index]))
{
graphics.DrawImage(bigBmp,
new RectangleF(chunk.LeftTop, chunk.Size),
new RectangleF(
(bigSize.Width - chunk.Size.Width) / 2, 0,
chunk.Size.Width, chunk.Size.Height),
GraphicsUnit.Pixel);
//graphics.DrawRectangle(Pens.Red, chunk.LeftTop.X, chunk.LeftTop.Y, chunk.Size.Width - 1, chunk.Size.Height - 1);
//graphics.DrawRectangle(Pens.Red, 0, 0, bitmaps[index].Width - 1, bitmaps[index].Height - 1);
}
}
g.Dispose();
bmp.Dispose();
}
private static void Create(int textureWidth, int textureHeight, int maxTextureCount, GlyphServer server, List <ChunkBase> chunkList)
{
var context = new PagesContext(textureWidth, textureHeight, maxTextureCount);
foreach (var item in chunkList)
{
item.Put(context);
}
Bitmap[] bitmaps = GenerateBitmaps(chunkList, context);
PrintChunks(chunkList, context, bitmaps);
//for (int i = 0; i < bitmaps.Length; i++)
//{
// bitmaps[i].Save(string.Format("{0}.png", i));
//}
Texture texture = GenerateTexture(bitmaps);
server.GlyphTexture = texture;
server.TextureWidth = bitmaps[0].Width;
server.TextureHeight = bitmaps[0].Height;
FillDictionary(chunkList, context, server.dictionary, bitmaps[0].Width, bitmaps[0].Height);
}
/// <summary> /// 把这个单元安排到合适的地方去。 /// </summary> /// <param name="context"></param> public abstract void Put(PagesContext context);
/// <summary>
///
/// </summary>
/// <param name="context"></param>
public override void Put(PagesContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
Graphics graphics = context.UnitGraphics;
if (graphics == null)
{
throw new Exception("Context already disposed!");
}
if (context.CurrentIndex >= context.PageList.Count)
{
return;
} // 超过了允许的最多的页数。
Page page = context.PageList[context.CurrentIndex];
PointF leftTop = context.CurrentLeftTop;
SizeF bigSize = graphics.MeasureString("丨" + this.Text + "丨", this.TheFont);
SizeF emptySize = graphics.MeasureString("丨丨", this.TheFont);
var width = (bigSize.Width - emptySize.Width);
var height = bigSize.Height;
if (page.Width < leftTop.X + width) // 该换行了。
{
if (page.Height < leftTop.Y + context.MaxLineHeight + height) // 要换页了。
{
context.CurrentIndex++;
if (context.PageList.Count <= context.CurrentIndex && // 页用完了。
context.PageList.Count < context.MaxPageCount) // 还可以申请新页。
{
var newPage = new Page(context.PageWidth, context.PageHeight);
context.PageList.Add(newPage);
}
// 用下一页。（无论能否申请新页，都按能申请处理。）
{
this.LeftTop = new PointF(0, 0);
this.Size = new SizeF(width, height);
this.PageIndex = context.CurrentIndex;
context.CurrentLeftTop = new PointF(width, 0);
//context.MaxLineHeight = 0;
}
}
else // 仅仅换行，不换页。
{
leftTop = new PointF(0, leftTop.Y + context.MaxLineHeight);
this.LeftTop = leftTop;
this.Size = new SizeF(width, height);
this.PageIndex = context.CurrentIndex;
context.CurrentLeftTop = new PointF(leftTop.X + width, leftTop.Y);
//context.MaxLineHeight = 0;
}
}
else // 当前行还可以放下此chunk。
{
this.LeftTop = leftTop;
this.Size = new SizeF(width, height);
this.PageIndex = context.CurrentIndex;
context.CurrentLeftTop = new PointF(leftTop.X + width, leftTop.Y);
if (leftTop.X == 0 || // 第一个字符（串）
context.MaxLineHeight < height)
{
context.MaxLineHeight = height;
}
}
}