public TexturePage(string filePath)
{
var bitmap = new QBitmap(filePath);
CreateTexture(bitmap.BitmapData);
bitmap.Free();
}
private static void RetargetGlyphRectangleInwards(BitmapData bitmapData, QFontGlyph glyph, bool setYOffset, byte alphaTolerance)
{
int startX, endX;
int startY, endY;
var rect = glyph.rect;
EmptyDel emptyPix;
if (bitmapData.PixelFormat == PixelFormat.Format32bppArgb)
emptyPix = delegate(BitmapData data, int x, int y) { return QBitmap.EmptyAlphaPixel(data, x, y, alphaTolerance); };
else
emptyPix = delegate(BitmapData data, int x, int y) { return QBitmap.EmptyPixel(data, x, y); };
unsafe
{
for (startX = rect.X; startX < bitmapData.Width; startX++)
for (int j = rect.Y; j < rect.Y + rect.Height; j++)
if (!emptyPix(bitmapData, startX, j))
goto Done1;
Done1:
for (endX = rect.X + rect.Width; endX >= 0; endX--)
for (int j = rect.Y; j < rect.Y + rect.Height; j++)
if (!emptyPix(bitmapData, endX, j))
goto Done2;
Done2:
for (startY = rect.Y; startY < bitmapData.Height; startY++)
for (int i = startX; i < endX; i++)
if (!emptyPix(bitmapData, i, startY))
goto Done3;
Done3:
for (endY = rect.Y + rect.Height; endY >= 0; endY--)
for (int i = startX; i < endX; i++)
if (!emptyPix(bitmapData, i, endY))
goto Done4;
Done4:;
}
if (endY < startY)
startY = endY = rect.Y;
if (endX < startX)
startX = endX = rect.X;
glyph.rect = new Rectangle(startX, startY, endX - startX + 1, endY - startY + 1);
if (setYOffset)
glyph.yOffset = glyph.rect.Y;
}
public static void CreateBitmapPerGlyph(QFontGlyph[] sourceGlyphs, QBitmap[] sourceBitmaps, out QFontGlyph[] destGlyphs, out QBitmap[] destBitmaps){
destBitmaps = new QBitmap[sourceGlyphs.Length];
destGlyphs = new QFontGlyph[sourceGlyphs.Length];
for(int i = 0; i < sourceGlyphs.Length; i++){
var sg = sourceGlyphs[i];
destGlyphs[i] = new QFontGlyph(i,new Rectangle(0,0,sg.rect.Width,sg.rect.Height),sg.yOffset,sg.character);
destBitmaps[i] = new QBitmap(new Bitmap(sg.rect.Width,sg.rect.Height,PixelFormat.Format32bppArgb));
QBitmap.Blit(sourceBitmaps[sg.page].bitmapData,destBitmaps[i].bitmapData,sg.rect,0,0);
}
}
public static void CreateBitmapPerGlyph(QFontGlyph[] sourceGlyphs, QBitmap[] sourceBitmaps, out QFontGlyph[] destGlyphs, out QBitmap[] destBitmaps)
{
destBitmaps = new QBitmap[sourceGlyphs.Length];
destGlyphs = new QFontGlyph[sourceGlyphs.Length];
for(int i = 0; i < sourceGlyphs.Length; i++){
var sg = sourceGlyphs[i];
destGlyphs[i] = new QFontGlyph(i,new Rectangle(0,0,sg.rect.Width,sg.rect.Height),sg.yOffset,sg.character);
destBitmaps[i] = new QBitmap(new Bitmap(sg.rect.Width,sg.rect.Height,PixelFormat.Format32bppArgb));
QBitmap.Blit(sourceBitmaps[sg.page].BitmapData,destBitmaps[i].BitmapData,sg.rect,0,0);
}
}
public QFont Load(string path, float downSampleFactor, QFontLoaderConfiguration loaderConfig)
{
if (loaderConfig == null)
loaderConfig = new QFontLoaderConfiguration();
TransformViewport? transToVp = null;
float fontScale = 1f;
if (loaderConfig.TransformToCurrentOrthogProjection)
transToVp = QFont.OrthogonalTransform(out fontScale);
QFont qfont = new QFont();
qfont.fontData = new QFontData ();
QFontDataInformation fontInfo = null;
using (var fs = File.OpenRead (path))
{
fontInfo = qfont.fontData.LoadFromStream (fs);
}
var bitmapFiles = fontInfo.GenerateBitmapPageNames (path);
var bitmapPages = new List<QBitmap> ();
foreach (var bitmapFileName in bitmapFiles)
{
// TODO : GDI+ require the bitmap files to be locked as indexed image
// during the lifetime i.e. maybe reloaded from disk
using (var fs = File.OpenRead (bitmapFileName))
using (var b = new Bitmap(fs))
{
var qb = new QBitmap (bitmapFileName);
bitmapPages.Add (qb);
}
}
var glyphList = qfont.fontData.InitialiseQFontData (fontInfo, ref bitmapPages, downSampleFactor, loaderConfig);
if (loaderConfig.ShadowConfig != null)
{
qfont.DropShadow = Helper.BuildDropShadow<QFont, QBitmap> (
bitmapPages,
glyphList.ToArray (),
loaderConfig.ShadowConfig,
Helper.ToArray (fontInfo.CharSet),
loaderConfig.KerningConfig.alphaEmptyPixelTolerance);
}
qfont.fontData.InitialiseKerningPairs (fontInfo, bitmapPages, glyphList, loaderConfig);
if (loaderConfig.ShadowConfig != null)
qfont.Options.DropShadowActive = true;
if (transToVp != null)
qfont.Options.TransformToViewport = transToVp;
return qfont;
}
public TexturePage(string filePath)
{
var bitmap = new QBitmap(filePath);
CreateTexture(bitmap.bitmapData);
bitmap.Free();
}
private static List<QBitmap> GenerateBitmapSheetsAndRepack(QFontGlyph[] sourceGlyphs, BitmapData[] sourceBitmaps, int destSheetWidth, int destSheetHeight, out QFontGlyph[] destGlyphs, int destMargin, bool usePowerOfTwo)
{
var pages = new List<QBitmap>();
destGlyphs = new QFontGlyph[sourceGlyphs.Length];
QBitmap currentPage = null;
int maxY = 0;
foreach (var glph in sourceGlyphs)
maxY = Math.Max(glph.rect.Height, maxY);
int finalPageIndex = 0;
int finalPageRequiredWidth = 0;
int finalPageRequiredHeight = 0;
for (int k = 0; k < 2; k++)
{
bool pre = k == 0; //first iteration is simply to determine the required size of the final page, so that we can crop it in advance
int xPos = 0;
int yPos = 0;
int maxYInRow = 0;
int totalTries = 0;
for (int i = 0; i < sourceGlyphs.Length; i++)
{
if(!pre && currentPage == null){
if (finalPageIndex == pages.Count)
{
int width = Math.Min(destSheetWidth, usePowerOfTwo ? PowerOfTwo(finalPageRequiredWidth) : finalPageRequiredWidth);
int height = Math.Min(destSheetHeight, usePowerOfTwo ? PowerOfTwo(finalPageRequiredHeight) : finalPageRequiredHeight);
currentPage = new QBitmap(new Bitmap(width, height, PixelFormat.Format32bppArgb));
currentPage.Clear32(255, 255, 255, 0); //clear to white, but totally transparent
}
else
{
currentPage = new QBitmap(new Bitmap(destSheetWidth, destSheetHeight, PixelFormat.Format32bppArgb));
currentPage.Clear32(255, 255, 255, 0); //clear to white, but totally transparent
}
pages.Add(currentPage);
}
totalTries++;
if (totalTries > 10 * sourceGlyphs.Length)
throw new Exception("Failed to fit font into texture pages");
var rect = sourceGlyphs[i].rect;
if (xPos + rect.Width + 2 * destMargin <= destSheetWidth && yPos + rect.Height + 2 * destMargin <= destSheetHeight)
{
if (!pre)
{
//add to page
if(sourceBitmaps[sourceGlyphs[i].page].PixelFormat == PixelFormat.Format32bppArgb)
QBitmap.Blit(sourceBitmaps[sourceGlyphs[i].page], currentPage.BitmapData, rect.X, rect.Y, rect.Width, rect.Height, xPos + destMargin, yPos + destMargin);
else
QBitmap.BlitMask(sourceBitmaps[sourceGlyphs[i].page], currentPage.BitmapData, rect.X, rect.Y, rect.Width, rect.Height, xPos + destMargin, yPos + destMargin);
destGlyphs[i] = new QFontGlyph(pages.Count - 1, new Rectangle(xPos + destMargin, yPos + destMargin, rect.Width, rect.Height), sourceGlyphs[i].yOffset, sourceGlyphs[i].character);
}
else
{
finalPageRequiredWidth = Math.Max(finalPageRequiredWidth, xPos + rect.Width + 2 * destMargin);
finalPageRequiredHeight = Math.Max(finalPageRequiredHeight, yPos + rect.Height + 2 * destMargin);
}
xPos += rect.Width + 2 * destMargin;
maxYInRow = Math.Max(maxYInRow, rect.Height);
continue;
}
if (xPos + rect.Width + 2 * destMargin > destSheetWidth)
{
i--;
yPos += maxYInRow + 2 * destMargin;
xPos = 0;
if (yPos + maxY + 2 * destMargin > destSheetHeight)
{
yPos = 0;
if (!pre)
{
currentPage = null;
}
else
{
finalPageRequiredWidth = 0;
finalPageRequiredHeight = 0;
finalPageIndex++;
}
}
continue;
}
}
}
return pages;
}
/// <summary>
/// Builds the font data
/// </summary>
/// <param name="saveName">The filename to save the font texture files too. If null, the texture files are not saved</param>
/// <returns>A <see cref="QFontData"/></returns>
public QFontData BuildFontData(string saveName = null)
{
// Check super sample level range
if (_config.SuperSampleLevels <= 0 || _config.SuperSampleLevels > 8)
{
throw new ArgumentOutOfRangeException("SuperSampleLevels = [" + _config.SuperSampleLevels + "] is an unsupported value. Please use values in the range [1,8]");
}
int margin = 3; //margin in initial bitmap (don't bother to make configurable - likely to cause confusion
int glyphMargin = _config.GlyphMargin * _config.SuperSampleLevels;
QFontGlyph[] initialGlyphs;
var sizes = GetGlyphSizes(_font);
var maxSize = GetMaxGlyphSize(sizes);
var initialBmp = CreateInitialBitmap(_font, maxSize, margin, out initialGlyphs, _config.TextGenerationRenderHint);
#if DEBUG
// print bitmap with bounds to debug it
var debugBmp = initialBmp.Clone() as Bitmap;
var graphics = Graphics.FromImage(debugBmp);
var pen = new Pen(Color.Red, 1);
foreach (var g in initialGlyphs)
{
graphics.DrawRectangle(pen, g.Rect);
}
graphics.Flush();
graphics.Dispose();
debugBmp.Save(_font + "-DEBUG.png", ImageFormat.Png);
#endif
var initialBitmapData = initialBmp.LockBits(new Rectangle(0, 0, initialBmp.Width, initialBmp.Height), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
int minYOffset = int.MaxValue;
// Retarget each glyph rectangle to get minimum bounding box
foreach (var glyph in initialGlyphs)
{
RetargetGlyphRectangleInwards(initialBitmapData, glyph, true, _config.KerningConfig.AlphaEmptyPixelTolerance);
minYOffset = Math.Min(minYOffset, glyph.YOffset);
}
minYOffset--; //give one pixel of breathing room?
// Update glyph y offsets
foreach (var glyph in initialGlyphs)
{
glyph.YOffset -= minYOffset;
}
// Find the optimal page size for the font
Size pagesize = GetOptimalPageSize(initialBmp.Width * _config.SuperSampleLevels, initialBmp.Height * _config.SuperSampleLevels, _config.PageMaxTextureSize);
QFontGlyph[] glyphs;
// Generate the final bitmap pages
List <QBitmap> bitmapPages = GenerateBitmapSheetsAndRepack(initialGlyphs, new[] { initialBitmapData }, pagesize.Width, pagesize.Height, out glyphs, glyphMargin);
// Clean up
initialBmp.UnlockBits(initialBitmapData);
initialBmp.Dispose();
// Scale and retarget glyphs if needed
if (_config.SuperSampleLevels != 1)
{
ScaleSheetsAndGlyphs(bitmapPages, glyphs, 1.0f / _config.SuperSampleLevels);
RetargetAllGlyphs(bitmapPages, glyphs, _config.KerningConfig.AlphaEmptyPixelTolerance);
}
//create list of texture pages
var pages = new List <TexturePage>();
foreach (var page in bitmapPages)
{
pages.Add(new TexturePage(page.BitmapData));
}
// Build the QFontData
var fontData = new QFontData
{
CharSetMapping = CreateCharGlyphMapping(glyphs),
Pages = pages.ToArray()
};
fontData.CalculateMeanWidth();
fontData.CalculateMaxHeight();
fontData.KerningPairs = KerningCalculator.CalculateKerning(_charSet.ToCharArray(), glyphs, bitmapPages, _config.KerningConfig, _font);
fontData.NaturallyMonospaced = IsMonospaced(sizes);
// Save the font texture files if required
if (saveName != null)
{
if (bitmapPages.Count == 1)
{
bitmapPages[0].Bitmap.UnlockBits(bitmapPages[0].BitmapData);
bitmapPages[0].Bitmap.Save(saveName + ".png", ImageFormat.Png);
bitmapPages[0] = new QBitmap(bitmapPages[0].Bitmap);
}
else
{
for (int i = 0; i < bitmapPages.Count; i++)
{
bitmapPages[i].Bitmap.UnlockBits(bitmapPages[i].BitmapData);
bitmapPages[i].Bitmap.Save(saveName + "_sheet_" + i + ".png", ImageFormat.Png);
bitmapPages[i] = new QBitmap(bitmapPages[i].Bitmap);
}
}
}
// Build the font drop shadow if required
if (_config.ShadowConfig != null)
{
fontData.DropShadowFont = BuildDropShadow(bitmapPages, glyphs, _config.ShadowConfig, _charSet.ToCharArray(), _config.KerningConfig.AlphaEmptyPixelTolerance);
}
// Clean up resources
foreach (var page in bitmapPages)
{
page.Free();
}
// Check that no glyphs are overlapping
var intercept = FirstIntercept(fontData.CharSetMapping);
if (intercept != null)
{
throw new Exception("Failed to create glyph set. Glyphs '" + intercept[0] + "' and '" + intercept[1] + "' were overlapping. This is could be due to an error in the font, or a bug in Graphics.MeasureString().");
}
return(fontData);
}
/// <summary>
/// Calculates the kerning values for the given character set
/// </summary>
/// <param name="charSet">The character set to calculate kerning values for</param>
/// <param name="glyphs">The glyphs used for kerning</param>
/// <param name="bitmapPages">The bitmap pages of the glyphs</param>
/// <param name="config">The kerning configuration</param>
/// <param name="font">The <see cref="IFont"/> used to create the glyphs and bitmaps</param>
/// <returns>A <see cref="Dictionary{TKey,TValue}"/> mapping of every glyph pair to a kerning amount</returns>
public static Dictionary <string, int> CalculateKerning(char[] charSet, QFontGlyph[] glyphs, List <QBitmap> bitmapPages, QFontKerningConfiguration config, IFont font = null)
{
var kerningPairs = new Dictionary <string, int>();
//we start by computing the index of the first and last non-empty pixel in each row of each glyph
XLimits[][] limits = new XLimits[charSet.Length][];
int maxHeight = 0;
for (int n = 0; n < charSet.Length; n++)
{
var rect = glyphs[n].Rect;
var page = bitmapPages[glyphs[n].Page];
limits[n] = new XLimits[rect.Height + 1];
maxHeight = Math.Max(rect.Height, maxHeight);
int yStart = rect.Y;
int yEnd = rect.Y + rect.Height;
int xStart = rect.X;
int xEnd = rect.X + rect.Width;
for (int j = yStart; j <= yEnd; j++)
{
int last = xStart;
bool yetToFindFirst = true;
for (int i = xStart; i <= xEnd; i++)
{
if (!QBitmap.EmptyAlphaPixel(page.BitmapData, i, j, config.AlphaEmptyPixelTolerance))
{
if (yetToFindFirst)
{
limits[n][j - yStart].Min = i - xStart;
yetToFindFirst = false;
}
last = i;
}
}
limits[n][j - yStart].Max = last - xStart;
if (yetToFindFirst)
{
limits[n][j - yStart].Min = xEnd - 1;
}
}
}
//we now bring up each row to the max (or min) of it's two adjacent rows, this is to stop glyphs sliding together too closely
var tmp = new XLimits[maxHeight + 1];
for (int n = 0; n < charSet.Length; n++)
{
//clear tmp
for (int j = 0; j < limits[n].Length; j++)
{
tmp[j] = limits[n][j];
}
for (int j = 0; j < limits[n].Length; j++)
{
if (j != 0)
{
tmp[j].Min = Math.Min(limits[n][j - 1].Min, tmp[j].Min);
tmp[j].Max = Math.Max(limits[n][j - 1].Max, tmp[j].Max);
}
if (j != limits[n].Length - 1)
{
tmp[j].Min = Math.Min(limits[n][j + 1].Min, tmp[j].Min);
tmp[j].Max = Math.Max(limits[n][j + 1].Max, tmp[j].Max);
}
}
for (int j = 0; j < limits[n].Length; j++)
{
limits[n][j] = tmp[j];
}
}
// For each character in the character set,
// combine it with every other character and add it to the kerning pair dictionary
for (int i = 0; i < charSet.Length; i++)
{
for (int j = 0; j < charSet.Length; j++)
{
kerningPairs.Add("" + charSet[i] + charSet[j], Kerning(glyphs[i], glyphs[j], limits[i], limits[j], config, font));
}
}
return(kerningPairs);
}
public QFontData BuildFontData(string saveName)
{
if (config.SuperSampleLevels <= 0 || config.SuperSampleLevels > 8)
{
throw new ArgumentOutOfRangeException("SuperSampleLevels = [" + config.SuperSampleLevels + "] is an unsupported value. Please use values in the range [1,8]");
}
int margin = 3; //margin in initial bitmap (don't bother to make configurable - likely to cause confusion
int glyphMargin = config.GlyphMargin * config.SuperSampleLevels;
QFontGlyph[] initialGlyphs;
var sizes = GetGlyphSizes(font);
var maxSize = GetMaxGlyphSize(sizes);
var initialBmp = CreateInitialBitmap(font, maxSize, margin, out initialGlyphs, config.TextGenerationRenderHint);
var initialBitmapData = initialBmp.LockBits(new Rectangle(0, 0, initialBmp.Width, initialBmp.Height), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
int minYOffset = int.MaxValue;
foreach (var glyph in initialGlyphs)
{
RetargetGlyphRectangleInwards(initialBitmapData, glyph, true, config.KerningConfig.alphaEmptyPixelTolerance);
minYOffset = Math.Min(minYOffset, glyph.yOffset);
}
minYOffset--; //give one pixel of breathing room?
foreach (var glyph in initialGlyphs)
{
glyph.yOffset -= minYOffset;
}
Size pagesize = GetOptimalPageSize(initialBmp.Width * config.SuperSampleLevels, initialBmp.Height * config.SuperSampleLevels, config.PageMaxTextureSize);
QFontGlyph[] glyphs;
List <QBitmap> bitmapPages = GenerateBitmapSheetsAndRepack(initialGlyphs, new BitmapData[1] {
initialBitmapData
}, pagesize.Width, pagesize.Height, out glyphs, glyphMargin);
initialBmp.UnlockBits(initialBitmapData);
initialBmp.Dispose();
if (config.SuperSampleLevels != 1)
{
ScaleSheetsAndGlyphs(bitmapPages, glyphs, 1.0f / config.SuperSampleLevels);
RetargetAllGlyphs(bitmapPages, glyphs, config.KerningConfig.alphaEmptyPixelTolerance);
}
//create list of texture pages
var pages = new List <TexturePage>();
foreach (var page in bitmapPages)
{
pages.Add(new TexturePage(page.bitmapData));
}
var fontData = new QFontData();
fontData.CharSetMapping = CreateCharGlyphMapping(glyphs);
fontData.Pages = pages.ToArray();
fontData.CalculateMeanWidth();
fontData.CalculateMaxHeight();
fontData.KerningPairs = KerningCalculator.CalculateKerning(charSet.ToCharArray(), glyphs, bitmapPages, config.KerningConfig);
fontData.naturallyMonospaced = IsMonospaced(sizes);
if (saveName != null)
{
if (bitmapPages.Count == 1)
{
bitmapPages[0].bitmap.UnlockBits(bitmapPages[0].bitmapData);
bitmapPages[0].bitmap.Save(saveName + ".png", ImageFormat.Png);
bitmapPages[0] = new QBitmap(bitmapPages[0].bitmap);
}
else
{
for (int i = 0; i < bitmapPages.Count; i++)
{
bitmapPages[i].bitmap.UnlockBits(bitmapPages[i].bitmapData);
bitmapPages[i].bitmap.Save(saveName + "_sheet_" + i + ".png", ImageFormat.Png);
bitmapPages[i] = new QBitmap(bitmapPages[i].bitmap);
}
}
}
if (config.ShadowConfig != null)
{
fontData.dropShadowFont = BuildDropShadow(bitmapPages, glyphs, config.ShadowConfig, charSet.ToCharArray(), config.KerningConfig.alphaEmptyPixelTolerance);
}
foreach (var page in bitmapPages)
{
page.Free();
}
//validate glyphs
var intercept = FirstIntercept(fontData.CharSetMapping);
if (intercept != null)
{
throw new Exception("Failed to create glyph set. Glyphs '" + intercept[0] + "' and '" + intercept[1] + "' were overlapping. This is could be due to an error in the font, or a bug in Graphics.MeasureString().");
}
return(fontData);
}
private static void RetargetGlyphRectangleOutwards(BitmapData bitmapData, QFontGlyph glyph, bool setYOffset, byte alphaTolerance)
{
int startX, endX;
int startY, endY;
var rect = glyph.rect;
EmptyDel emptyPix;
if (bitmapData.PixelFormat == PixelFormat.Format32bppArgb)
{
emptyPix = delegate(BitmapData data, int x, int y) { return(QBitmap.EmptyAlphaPixel(data, x, y, alphaTolerance)); }
}
;
else
{
emptyPix = delegate(BitmapData data, int x, int y) { return(QBitmap.EmptyPixel(data, x, y)); }
};
unsafe
{
for (startX = rect.X; startX >= 0; startX--)
{
bool foundPix = false;
for (int j = rect.Y; j <= rect.Y + rect.Height; j++)
{
if (!emptyPix(bitmapData, startX, j))
{
foundPix = true;
break;
}
}
if (!foundPix)
{
startX++;
break;
}
}
for (endX = rect.X + rect.Width; endX < bitmapData.Width; endX++)
{
bool foundPix = false;
for (int j = rect.Y; j <= rect.Y + rect.Height; j++)
{
if (!emptyPix(bitmapData, endX, j))
{
foundPix = true;
break;
}
}
if (!foundPix)
{
endX--;
break;
}
}
for (startY = rect.Y; startY >= 0; startY--)
{
bool foundPix = false;
for (int i = startX; i <= endX; i++)
{
if (!emptyPix(bitmapData, i, startY))
{
foundPix = true;
break;
}
}
if (!foundPix)
{
startY++;
break;
}
}
for (endY = rect.Y + rect.Height; endY < bitmapData.Height; endY++)
{
bool foundPix = false;
for (int i = startX; i <= endX; i++)
{
if (!emptyPix(bitmapData, i, endY))
{
foundPix = true;
break;
}
}
if (!foundPix)
{
endY--;
break;
}
}
}
glyph.rect = new Rectangle(startX, startY, endX - startX + 1, endY - startY + 1);
if (setYOffset)
{
glyph.yOffset = glyph.rect.Y;
}
}
private void Form1_Paint(object _sender, PaintEventArgs _e)
{
m_allEdges.Clear();
for (var i = 0; i < Map.SIZE; ++i)
{
for (var j = 0; j < Map.SIZE; ++j)
{
if (m_map[i, j] > 0)
{
var rectEdges = GetRectEdges(new Rectangle((int)(i * SZ), (int)(j * SZ), (int)SZ, (int)SZ), m_map[i, j]);
if (j > 0 && m_map[i, j - 1] == 0)
{
m_allEdges.Add(rectEdges[0]);
}
if (i < (Map.SIZE - 1) && m_map[i + 1, j] == 0)
{
m_allEdges.Add(rectEdges[1]);
}
if (j < (Map.SIZE - 1) && m_map[i, j + 1] == 0)
{
m_allEdges.Add(rectEdges[2]);
}
if (i > 0 && m_map[i - 1, j] == 0)
{
m_allEdges.Add(rectEdges[3]);
}
}
}
}
#region зона видимости
using (var g = Graphics.FromImage(m_buf3))
{
g.SmoothingMode = SmoothingMode.AntiAlias;
g.Clear(Color.Empty);
Draw(_e, new PointF(Map.SIZE * SZ / 2 , Map.SIZE * SZ / 2 ), Color.White, 0, g);
}
#endregion
using (var g = Graphics.FromImage(m_buf1))
{
//g.CompositingQuality = CompositingQuality.GammaCorrected;
g.SmoothingMode = SmoothingMode.AntiAlias;
g.Clear(Color.Empty);
Draw(_e, new PointF(_mousePnt.X * SZ, _mousePnt.Y * SZ), Color.FromArgb(255, 255, 0, 0), 0, g);
}
using (var g = Graphics.FromImage(m_buf2))
{
//g.CompositingQuality = CompositingQuality.GammaCorrected;
g.SmoothingMode = SmoothingMode.AntiAlias;
g.Clear(Color.Empty);
Draw(_e, new PointF(_mousePnt.Y * SZ, _mousePnt.X * SZ), Color.FromArgb(255, 0, 0, 255), 0, g);
}
using (var g = Graphics.FromImage(m_buf0))
{
//g.CompositingQuality = CompositingQuality.GammaCorrected;
g.SmoothingMode = SmoothingMode.AntiAlias;
g.Clear(Color.Empty);
Draw(_e, new PointF(_mousePnt.Y * SZ, _mousePnt.Y * SZ), Color.FromArgb(255, 0, 255, 0), 0, g);
}
//DrawWalls(m_buf2);
using (var t= new QBitmap(m_buf3))
{
t.ApplyLightMaps(new[] { m_buf0, m_buf1, m_buf2 });
}
//_e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
_e.Graphics.CompositingMode = CompositingMode.SourceCopy;
//_e.Graphics.InterpolationMode = InterpolationMode.Bilinear;
_e.Graphics.DrawImage(m_buf3, new RectangleF(0, 0, Map.SIZE , Map.SIZE ), new RectangleF(0, 0, Map.SIZE * SZ, Map.SIZE * SZ), GraphicsUnit.Pixel);
//Draw(_e, new PointF(_mousePnt.Y - m_offset.Y, _mousePnt.X - m_offset.X), Color.FromArgb(180, 255, 0), Map.SIZE);
//Draw(_e, new PointF(_mousePnt.X - m_offset.X, _mousePnt.Y - m_offset.Y), Color.FromArgb(255, 180, 0), Map.SIZE * 2);
}
/*
public void Blur(int radius, int passes)
{
QBitmap tmp = new QBitmap(new Bitmap(this.bitmap.Width, this.bitmap.Height, bitmap.PixelFormat));
byte r=0,g=0,b=0,a=0;
int summedR, summedG, summedB, summedA;
int weight = 0;
int xpos, ypos, x, y, kx, ky;
for (int pass = 0; pass < passes; pass++)
{
//horizontal pass
for (y = 0; y < bitmap.Height; y++)
{
for (x = 0; x < bitmap.Width; x++)
{
summedR = summedG = summedB = summedA = weight = 0;
for (kx = -radius; kx <= radius; kx++)
{
xpos = x + kx;
if (xpos >= 0 && xpos < bitmap.Width)
{
GetPixel32(xpos, y, ref r, ref g, ref b, ref a);
summedR += r;
summedG += g;
summedB += b;
summedA += a;
weight++;
}
}
summedR /= weight;
summedG /= weight;
summedB /= weight;
summedA /= weight;
tmp.PutPixel32(x, y, (byte)summedR, (byte)summedG, (byte)summedB, (byte)summedA);
}
}
//vertical pass
for (x = 0; x < bitmap.Width; ++x)
{
for (y = 0; y < bitmap.Height; ++y)
{
summedR = summedG = summedB = summedA = weight = 0;
for (ky = -radius; ky <= radius; ky++)
{
ypos = y + ky;
if (ypos >= 0 && ypos < bitmap.Height)
{
tmp.GetPixel32(x, ypos, ref r, ref g, ref b, ref a);
summedR += r;
summedG += g;
summedB += b;
summedA += a;
weight++;
}
}
summedR /= weight;
summedG /= weight;
summedB /= weight;
summedA /= weight;
PutPixel32(x, y, (byte)summedR, (byte)summedG, (byte)summedB, (byte)summedA);
}
}
}
tmp.Free();
}*/
public void ExpandAlpha(int radius, int passes)
{
QBitmap tmp = new QBitmap(new Bitmap(this.bitmap.Width, this.bitmap.Height, bitmap.PixelFormat));
byte a = 0;
byte max;
int xpos, ypos, x, y, kx, ky;
int width = bitmap.Width;
int height = bitmap.Height;
for (int pass = 0; pass < passes; pass++)
{
//horizontal pass
for (y = 0; y < height; y++)
{
for (x = 0; x < width; x++)
{
max = 0;
for (kx = -radius; kx <= radius; kx++)
{
xpos = x + kx;
if (xpos >= 0 && xpos < width)
{
GetAlpha32(xpos, y, ref a);
if (a > max)
max = a;
}
}
tmp.PutAlpha32(x, y, max);
}
}
//vertical pass
for (x = 0; x < width; ++x)
{
for (y = 0; y < height; ++y)
{
max = 0;
for (ky = -radius; ky <= radius; ky++)
{
ypos = y + ky;
if (ypos >= 0 && ypos < height)
{
tmp.GetAlpha32(x, ypos, ref a);
if (a > max)
max = a;
}
}
PutAlpha32(x, y, max);
}
}
}
tmp.Free();
}
public void ApplyLightMaps(Bitmap[] _lightmaps)
{
unsafe
{
var lightQMaps = new QBitmap[_lightmaps.Length];
var ptrs = new byte *[_lightmaps.Length];
for (var index = 0; index < _lightmaps.Length; index++)
{
lightQMaps[index] = new QBitmap(_lightmaps[index]);
ptrs[index] = (byte *)(lightQMaps[index].m_bitmapData.Scan0);
}
var sourcePtr = (byte *)(m_bitmapData.Scan0);
byte r, g, b;
byte vr, vg, vb;
for (var i = 0; i < m_bitmapData.Height; i++)
{
for (var j = 0; j < m_bitmapData.Width; j++)
{
vr = *(sourcePtr + 2);
vg = *(sourcePtr + 1);
vb = *(sourcePtr + 0);
r = 0;
g = 0;
b = 0;
for (var index = 0; index < _lightmaps.Length; index++)
{
r = Math.Max(r, *(ptrs[index] + 2));
g = Math.Max(g, *(ptrs[index] + 1));
b = Math.Max(b, *(ptrs[index] + 0));
ptrs[index] += 4;
}
r = (byte)(r * vr / 255);
g = (byte)(g * vg / 255);
b = (byte)(b * vb / 255);
//if (vr > 0 && r>0)
//{
// vr += 1;
//}
*(sourcePtr) = b;
*(sourcePtr + 1) = g;
*(sourcePtr + 2) = r;
//*(sourcePtr + 3) = _a;
sourcePtr += 4;
}
sourcePtr += m_bitmapData.Stride - m_bitmapData.Width * 4; //move to the end of the line (past unused space)
for (var index = 0; index < _lightmaps.Length; index++)
{
ptrs[index] += m_bitmapData.Stride - m_bitmapData.Width * 4; //move to the end of the line (past unused space)
}
}
for (var index = 0; index < _lightmaps.Length; index++)
{
lightQMaps[index].Dispose();
}
}
}
public void ApplyLightMaps(Bitmap[] _lightmaps)
{
unsafe
{
var lightQMaps = new QBitmap[_lightmaps.Length];
var ptrs = new byte*[_lightmaps.Length];
for (var index = 0; index < _lightmaps.Length; index++)
{
lightQMaps[index] = new QBitmap(_lightmaps[index]);
ptrs[index] = (byte*)(lightQMaps[index].m_bitmapData.Scan0);
}
var sourcePtr = (byte*)(m_bitmapData.Scan0);
byte r, g, b;
byte vr, vg, vb;
for (var i = 0; i < m_bitmapData.Height; i++)
{
for (var j = 0; j < m_bitmapData.Width; j++)
{
vr = *(sourcePtr + 2);
vg = *(sourcePtr + 1);
vb = *(sourcePtr + 0);
r = 0;
g = 0;
b = 0;
for (var index = 0; index < _lightmaps.Length; index++)
{
r = Math.Max(r, *(ptrs[index] + 2));
g = Math.Max(g,*(ptrs[index] + 1));
b = Math.Max(b,*(ptrs[index] + 0));
ptrs[index] += 4;
}
r = (byte)(r * vr / 255);
g = (byte)(g*vg/255);
b = (byte)(b*vb/255);
//if (vr > 0 && r>0)
//{
// vr += 1;
//}
*(sourcePtr) = b;
*(sourcePtr + 1) = g;
*(sourcePtr + 2) = r;
//*(sourcePtr + 3) = _a;
sourcePtr += 4;
}
sourcePtr += m_bitmapData.Stride - m_bitmapData.Width * 4; //move to the end of the line (past unused space)
for (var index = 0; index < _lightmaps.Length; index++)
{
ptrs[index] += m_bitmapData.Stride - m_bitmapData.Width * 4; //move to the end of the line (past unused space)
}
}
for (var index = 0; index < _lightmaps.Length; index++)
{
lightQMaps[index].Dispose();
}
}
}
public void DownScale32(int newWidth, int newHeight)
{
QBitmap newBitmap = new QBitmap(new Bitmap(newWidth, newHeight, bitmap.PixelFormat));
if (bitmap.PixelFormat != PixelFormat.Format32bppArgb)
{
throw new Exception("DownsScale32 only works on 32 bit images");
}
float xscale = (float)bitmapData.Width / newWidth;
float yscale = (float)bitmapData.Height / newHeight;
byte r = 0, g = 0, b = 0, a = 0;
float summedR = 0f;
float summedG = 0f;
float summedB = 0f;
float summedA = 0f;
int left, right, top, bottom; //the area of old pixels covered by the new bitmap
float targetStartX, targetEndX;
float targetStartY, targetEndY;
float leftF, rightF, topF, bottomF; //edges of new pixel in old pixel coords
float weight;
float weightScale = xscale * yscale;
float totalColourWeight = 0f;
for (int m = 0; m < newHeight; m++)
{
for (int n = 0; n < newWidth; n++)
{
leftF = n * xscale;
rightF = (n + 1) * xscale;
topF = m * yscale;
bottomF = (m + 1) * yscale;
left = (int)leftF;
right = (int)rightF;
top = (int)topF;
bottom = (int)bottomF;
if (left < 0)
{
left = 0;
}
if (top < 0)
{
top = 0;
}
if (right >= bitmapData.Width)
{
right = bitmapData.Width - 1;
}
if (bottom >= bitmapData.Height)
{
bottom = bitmapData.Height - 1;
}
summedR = 0f;
summedG = 0f;
summedB = 0f;
summedA = 0f;
totalColourWeight = 0f;
for (int j = top; j <= bottom; j++)
{
for (int i = left; i <= right; i++)
{
targetStartX = Math.Max(leftF, i);
targetEndX = Math.Min(rightF, i + 1);
targetStartY = Math.Max(topF, j);
targetEndY = Math.Min(bottomF, j + 1);
weight = (targetEndX - targetStartX) * (targetEndY - targetStartY);
GetPixel32(i, j, ref r, ref g, ref b, ref a);
summedA += weight * a;
if (a != 0)
{
summedR += weight * r;
summedG += weight * g;
summedB += weight * b;
totalColourWeight += weight;
}
}
}
summedR /= totalColourWeight;
summedG /= totalColourWeight;
summedB /= totalColourWeight;
summedA /= weightScale;
if (summedR < 0)
{
summedR = 0f;
}
if (summedG < 0)
{
summedG = 0f;
}
if (summedB < 0)
{
summedB = 0f;
}
if (summedA < 0)
{
summedA = 0f;
}
if (summedR >= 256)
{
summedR = 255;
}
if (summedG >= 256)
{
summedG = 255;
}
if (summedB >= 256)
{
summedB = 255;
}
if (summedA >= 256)
{
summedA = 255;
}
newBitmap.PutPixel32(n, m, (byte)summedR, (byte)summedG, (byte)summedB, (byte)summedA);
}
}
this.Free();
this.bitmap = newBitmap.bitmap;
this.bitmapData = newBitmap.bitmapData;
}
/*
*
* public void Blur(int radius, int passes)
* {
* QBitmap tmp = new QBitmap(new Bitmap(this.bitmap.Width, this.bitmap.Height, bitmap.PixelFormat));
*
* byte r=0,g=0,b=0,a=0;
* int summedR, summedG, summedB, summedA;
* int weight = 0;
* int xpos, ypos, x, y, kx, ky;
*
*
* for (int pass = 0; pass < passes; pass++)
* {
*
* //horizontal pass
* for (y = 0; y < bitmap.Height; y++)
* {
* for (x = 0; x < bitmap.Width; x++)
* {
* summedR = summedG = summedB = summedA = weight = 0;
* for (kx = -radius; kx <= radius; kx++)
* {
* xpos = x + kx;
* if (xpos >= 0 && xpos < bitmap.Width)
* {
* GetPixel32(xpos, y, ref r, ref g, ref b, ref a);
*
*
* summedR += r;
* summedG += g;
* summedB += b;
* summedA += a;
* weight++;
* }
*
* }
*
* summedR /= weight;
* summedG /= weight;
* summedB /= weight;
* summedA /= weight;
*
* tmp.PutPixel32(x, y, (byte)summedR, (byte)summedG, (byte)summedB, (byte)summedA);
* }
* }
*
*
*
*
* //vertical pass
* for (x = 0; x < bitmap.Width; ++x)
* {
* for (y = 0; y < bitmap.Height; ++y)
* {
* summedR = summedG = summedB = summedA = weight = 0;
* for (ky = -radius; ky <= radius; ky++)
* {
* ypos = y + ky;
* if (ypos >= 0 && ypos < bitmap.Height)
* {
* tmp.GetPixel32(x, ypos, ref r, ref g, ref b, ref a);
*
* summedR += r;
* summedG += g;
* summedB += b;
* summedA += a;
* weight++;
* }
* }
*
* summedR /= weight;
* summedG /= weight;
* summedB /= weight;
* summedA /= weight;
*
* PutPixel32(x, y, (byte)summedR, (byte)summedG, (byte)summedB, (byte)summedA);
*
* }
* }
*
* }
*
* tmp.Free();
*
* }*/
public void BlurAlpha(int radius, int passes)
{
QBitmap tmp = new QBitmap(new Bitmap(this.bitmap.Width, this.bitmap.Height, bitmap.PixelFormat));
byte a = 0;
int summedA;
int weight = 0;
int xpos, ypos, x, y, kx, ky;
int width = bitmap.Width;
int height = bitmap.Height;
for (int pass = 0; pass < passes; pass++)
{
//horizontal pass
for (y = 0; y < height; y++)
{
for (x = 0; x < width; x++)
{
summedA = weight = 0;
for (kx = -radius; kx <= radius; kx++)
{
xpos = x + kx;
if (xpos >= 0 && xpos < width)
{
GetAlpha32(xpos, y, ref a);
summedA += a;
weight++;
}
}
summedA /= weight;
tmp.PutAlpha32(x, y, (byte)summedA);
}
}
//vertical pass
for (x = 0; x < width; ++x)
{
for (y = 0; y < height; ++y)
{
summedA = weight = 0;
for (ky = -radius; ky <= radius; ky++)
{
ypos = y + ky;
if (ypos >= 0 && ypos < height)
{
tmp.GetAlpha32(x, ypos, ref a);
summedA += a;
weight++;
}
}
summedA /= weight;
PutAlpha32(x, y, (byte)summedA);
}
}
}
tmp.Free();
}
/*
*
* public void Blur(int radius, int passes)
* {
* QBitmap tmp = new QBitmap(new Bitmap(this.bitmap.Width, this.bitmap.Height, bitmap.PixelFormat));
*
* byte r=0,g=0,b=0,a=0;
* int summedR, summedG, summedB, summedA;
* int weight = 0;
* int xpos, ypos, x, y, kx, ky;
*
*
* for (int pass = 0; pass < passes; pass++)
* {
*
* //horizontal pass
* for (y = 0; y < bitmap.Height; y++)
* {
* for (x = 0; x < bitmap.Width; x++)
* {
* summedR = summedG = summedB = summedA = weight = 0;
* for (kx = -radius; kx <= radius; kx++)
* {
* xpos = x + kx;
* if (xpos >= 0 && xpos < bitmap.Width)
* {
* GetPixel32(xpos, y, ref r, ref g, ref b, ref a);
*
*
* summedR += r;
* summedG += g;
* summedB += b;
* summedA += a;
* weight++;
* }
*
* }
*
* summedR /= weight;
* summedG /= weight;
* summedB /= weight;
* summedA /= weight;
*
* tmp.PutPixel32(x, y, (byte)summedR, (byte)summedG, (byte)summedB, (byte)summedA);
* }
* }
*
*
*
*
* //vertical pass
* for (x = 0; x < bitmap.Width; ++x)
* {
* for (y = 0; y < bitmap.Height; ++y)
* {
* summedR = summedG = summedB = summedA = weight = 0;
* for (ky = -radius; ky <= radius; ky++)
* {
* ypos = y + ky;
* if (ypos >= 0 && ypos < bitmap.Height)
* {
* tmp.GetPixel32(x, ypos, ref r, ref g, ref b, ref a);
*
* summedR += r;
* summedG += g;
* summedB += b;
* summedA += a;
* weight++;
* }
* }
*
* summedR /= weight;
* summedG /= weight;
* summedB /= weight;
* summedA /= weight;
*
* PutPixel32(x, y, (byte)summedR, (byte)summedG, (byte)summedB, (byte)summedA);
*
* }
* }
*
* }
*
* tmp.Free();
*
* }*/
public void ExpandAlpha(int radius, int passes)
{
QBitmap tmp = new QBitmap(new Bitmap(this.bitmap.Width, this.bitmap.Height, bitmap.PixelFormat));
byte a = 0;
byte max;
int xpos, ypos, x, y, kx, ky;
int width = bitmap.Width;
int height = bitmap.Height;
for (int pass = 0; pass < passes; pass++)
{
//horizontal pass
for (y = 0; y < height; y++)
{
for (x = 0; x < width; x++)
{
max = 0;
for (kx = -radius; kx <= radius; kx++)
{
xpos = x + kx;
if (xpos >= 0 && xpos < width)
{
GetAlpha32(xpos, y, ref a);
if (a > max)
{
max = a;
}
}
}
tmp.PutAlpha32(x, y, max);
}
}
//vertical pass
for (x = 0; x < width; ++x)
{
for (y = 0; y < height; ++y)
{
max = 0;
for (ky = -radius; ky <= radius; ky++)
{
ypos = y + ky;
if (ypos >= 0 && ypos < height)
{
tmp.GetAlpha32(x, ypos, ref a);
if (a > max)
{
max = a;
}
}
}
PutAlpha32(x, y, max);
}
}
}
tmp.Free();
}
private static List <QBitmap> GenerateBitmapSheetsAndRepack(QFontGlyph[] sourceGlyphs, BitmapData[] sourceBitmaps, int destSheetWidth, int destSheetHeight, out QFontGlyph[] destGlyphs, int destMargin)
{
var pages = new List <QBitmap>();
destGlyphs = new QFontGlyph[sourceGlyphs.Length];
QBitmap currentPage = null;
int maxY = 0;
foreach (var glph in sourceGlyphs)
{
maxY = Math.Max(glph.rect.Height, maxY);
}
int finalPageIndex = 0;
int finalPageRequiredWidth = 0;
int finalPageRequiredHeight = 0;
for (int k = 0; k < 2; k++)
{
bool pre = k == 0; //first iteration is simply to determine the required size of the final page, so that we can crop it in advance
int xPos = 0;
int yPos = 0;
int maxYInRow = 0;
int totalTries = 0;
for (int i = 0; i < sourceGlyphs.Length; i++)
{
if (!pre && currentPage == null)
{
if (finalPageIndex == pages.Count)
{
int width = Math.Min(destSheetWidth, finalPageRequiredWidth);
int height = Math.Min(destSheetHeight, finalPageRequiredHeight);
currentPage = new QBitmap(new Bitmap(width, height, PixelFormat.Format32bppArgb));
currentPage.Clear32(255, 255, 255, 0); //clear to white, but totally transparent
}
else
{
currentPage = new QBitmap(new Bitmap(destSheetWidth, destSheetHeight, PixelFormat.Format32bppArgb));
currentPage.Clear32(255, 255, 255, 0); //clear to white, but totally transparent
}
pages.Add(currentPage);
}
totalTries++;
if (totalTries > 10 * sourceGlyphs.Length)
{
throw new Exception("Failed to fit font into texture pages");
}
var rect = sourceGlyphs[i].rect;
if (xPos + rect.Width + 2 * destMargin <= destSheetWidth && yPos + rect.Height + 2 * destMargin <= destSheetHeight)
{
if (!pre)
{
//add to page
if (sourceBitmaps[sourceGlyphs[i].page].PixelFormat == PixelFormat.Format32bppArgb)
{
QBitmap.Blit(sourceBitmaps[sourceGlyphs[i].page], currentPage.bitmapData, rect.X, rect.Y, rect.Width, rect.Height, xPos + destMargin, yPos + destMargin);
}
else
{
QBitmap.BlitMask(sourceBitmaps[sourceGlyphs[i].page], currentPage.bitmapData, rect.X, rect.Y, rect.Width, rect.Height, xPos + destMargin, yPos + destMargin);
}
destGlyphs[i] = new QFontGlyph(pages.Count - 1, new Rectangle(xPos + destMargin, yPos + destMargin, rect.Width, rect.Height), sourceGlyphs[i].yOffset, sourceGlyphs[i].character);
}
else
{
finalPageRequiredWidth = Math.Max(finalPageRequiredWidth, xPos + rect.Width + 2 * destMargin);
finalPageRequiredHeight = Math.Max(finalPageRequiredHeight, yPos + rect.Height + 2 * destMargin);
}
xPos += rect.Width + 2 * destMargin;
maxYInRow = Math.Max(maxYInRow, rect.Height);
continue;
}
if (xPos + rect.Width + 2 * destMargin > destSheetWidth)
{
i--;
yPos += maxYInRow + 2 * destMargin;
xPos = 0;
if (yPos + maxY + 2 * destMargin > destSheetHeight)
{
yPos = 0;
if (!pre)
{
currentPage = null;
}
else
{
finalPageRequiredWidth = 0;
finalPageRequiredHeight = 0;
finalPageIndex++;
}
}
continue;
}
}
}
return(pages);
}
public void DownScale32(int newWidth, int newHeight)
{
QBitmap newBitmap = new QBitmap(new Bitmap(newWidth, newHeight, bitmap.PixelFormat));
if (bitmap.PixelFormat != PixelFormat.Format32bppArgb)
throw new Exception("DownsScale32 only works on 32 bit images");
float xscale = (float)bitmapData.Width / newWidth;
float yscale = (float)bitmapData.Height / newHeight;
byte r = 0, g = 0, b = 0, a = 0;
float summedR = 0f;
float summedG = 0f;
float summedB = 0f;
float summedA = 0f;
int left, right, top, bottom; //the area of old pixels covered by the new bitmap
float targetStartX, targetEndX;
float targetStartY, targetEndY;
float leftF, rightF, topF, bottomF; //edges of new pixel in old pixel coords
float weight;
float weightScale = xscale * yscale;
float totalColourWeight = 0f;
for (int m = 0; m < newHeight; m++)
{
for (int n = 0; n < newWidth; n++)
{
leftF = n * xscale;
rightF = (n + 1) * xscale;
topF = m * yscale;
bottomF = (m + 1) * yscale;
left = (int)leftF;
right = (int)rightF;
top = (int)topF;
bottom = (int)bottomF;
if (left < 0) left = 0;
if (top < 0) top = 0;
if (right >= bitmapData.Width) right = bitmapData.Width - 1;
if (bottom >= bitmapData.Height) bottom = bitmapData.Height - 1;
summedR = 0f;
summedG = 0f;
summedB = 0f;
summedA = 0f;
totalColourWeight = 0f;
for (int j = top; j <= bottom; j++)
{
for (int i = left; i <= right; i++)
{
targetStartX = Math.Max(leftF, i);
targetEndX = Math.Min(rightF, i + 1);
targetStartY = Math.Max(topF, j);
targetEndY = Math.Min(bottomF, j + 1);
weight = (targetEndX - targetStartX) * (targetEndY - targetStartY);
GetPixel32(i, j, ref r, ref g, ref b, ref a);
summedA += weight * a;
if (a != 0)
{
summedR += weight * r;
summedG += weight * g;
summedB += weight * b;
totalColourWeight += weight;
}
}
}
summedR /= totalColourWeight;
summedG /= totalColourWeight;
summedB /= totalColourWeight;
summedA /= weightScale;
if (summedR < 0) summedR = 0f;
if (summedG < 0) summedG = 0f;
if (summedB < 0) summedB = 0f;
if (summedA < 0) summedA = 0f;
if (summedR >= 256) summedR = 255;
if (summedG >= 256) summedG = 255;
if (summedB >= 256) summedB = 255;
if (summedA >= 256) summedA = 255;
newBitmap.PutPixel32(n, m, (byte)summedR, (byte)summedG, (byte)summedB, (byte)summedA);
}
}
this.Free();
this.bitmap = newBitmap.bitmap;
this.bitmapData = newBitmap.bitmapData;
}
public static Dictionary <String, int> CalculateKerning(char[] charSet, QFontGlyph[] glyphs, List <QBitmap> bitmapPages, QFontKerningConfiguration config)
{
var kerningPairs = new Dictionary <String, int>();
//we start by computing the index of the first and last non-empty pixel in each row of each glyph
XLimits[][] limits = new XLimits[charSet.Length][];
int maxHeight = 0;
for (int n = 0; n < charSet.Length; n++)
{
var rect = glyphs[n].rect;
var page = bitmapPages[glyphs[n].page];
limits[n] = new XLimits[rect.Height];
maxHeight = Math.Max(rect.Height, maxHeight);
int yStart = rect.Y;
int yEnd = rect.Y + rect.Height;
int xStart = rect.X;
int xEnd = rect.X + rect.Width;
for (int j = yStart; j < yEnd; j++)
{
int last = xStart;
bool yetToFindFirst = true;
for (int i = xStart; i < xEnd; i++)
{
if (!QBitmap.EmptyAlphaPixel(page.bitmapData, i, j, config.alphaEmptyPixelTolerance))
{
if (yetToFindFirst)
{
limits[n][j - yStart].Min = i - xStart;
yetToFindFirst = false;
}
last = i;
}
}
limits[n][j - yStart].Max = last - xStart;
if (yetToFindFirst)
{
limits[n][j - yStart].Min = xEnd - 1;
}
}
}
//we now bring up each row to the max (or min) of it's two adjacent rows, this is to stop glyphs sliding together too closely
var tmp = new XLimits[maxHeight];
for (int n = 0; n < charSet.Length; n++)
{
//clear tmp
for (int j = 0; j < limits[n].Length; j++)
{
tmp[j] = limits[n][j];
}
for (int j = 0; j < limits[n].Length; j++)
{
if (j != 0)
{
tmp[j].Min = Math.Min(limits[n][j - 1].Min, tmp[j].Min);
tmp[j].Max = Math.Max(limits[n][j - 1].Max, tmp[j].Max);
}
if (j != limits[n].Length - 1)
{
tmp[j].Min = Math.Min(limits[n][j + 1].Min, tmp[j].Min);
tmp[j].Max = Math.Max(limits[n][j + 1].Max, tmp[j].Max);
}
}
for (int j = 0; j < limits[n].Length; j++)
{
limits[n][j] = tmp[j];
}
}
//поправил сам
if (config.KerningPairs == null)
{
for (int i = 0; i < charSet.Length; i++)
{
for (int j = 0; j < charSet.Length; j++)
{
kerningPairs.Add("" + charSet[i] + charSet[j], 1 - Kerning(glyphs[i], glyphs[j], limits[i], limits[j], config));
}
}
}
else
{
var chatSetList = charSet.ToList();
var indices = config.KerningPairs.Select(x => Tuple.Create(chatSetList.IndexOf(x[0]), chatSetList.IndexOf(x[1]))).ToList();
foreach (var pair in indices)
{
int i = pair.Item1;
int j = pair.Item2;
kerningPairs.Add("" + charSet[i] + charSet[j], 1 - Kerning(glyphs[i], glyphs[j], limits[i], limits[j], config));
}
}
return(kerningPairs);
}
/*
public void Blur(int radius, int passes)
{
QBitmap tmp = new QBitmap(new Bitmap(this.bitmap.Width, this.bitmap.Height, bitmap.PixelFormat));
byte r=0,g=0,b=0,a=0;
int summedR, summedG, summedB, summedA;
int weight = 0;
int xpos, ypos, x, y, kx, ky;
for (int pass = 0; pass < passes; pass++)
{
//horizontal pass
for (y = 0; y < bitmap.Height; y++)
{
for (x = 0; x < bitmap.Width; x++)
{
summedR = summedG = summedB = summedA = weight = 0;
for (kx = -radius; kx <= radius; kx++)
{
xpos = x + kx;
if (xpos >= 0 && xpos < bitmap.Width)
{
GetPixel32(xpos, y, ref r, ref g, ref b, ref a);
summedR += r;
summedG += g;
summedB += b;
summedA += a;
weight++;
}
}
summedR /= weight;
summedG /= weight;
summedB /= weight;
summedA /= weight;
tmp.PutPixel32(x, y, (byte)summedR, (byte)summedG, (byte)summedB, (byte)summedA);
}
}
//vertical pass
for (x = 0; x < bitmap.Width; ++x)
{
for (y = 0; y < bitmap.Height; ++y)
{
summedR = summedG = summedB = summedA = weight = 0;
for (ky = -radius; ky <= radius; ky++)
{
ypos = y + ky;
if (ypos >= 0 && ypos < bitmap.Height)
{
tmp.GetPixel32(x, ypos, ref r, ref g, ref b, ref a);
summedR += r;
summedG += g;
summedB += b;
summedA += a;
weight++;
}
}
summedR /= weight;
summedG /= weight;
summedB /= weight;
summedA /= weight;
PutPixel32(x, y, (byte)summedR, (byte)summedG, (byte)summedB, (byte)summedA);
}
}
}
tmp.Free();
}*/
public void BlurAlpha(int radius, int passes)
{
QBitmap tmp = new QBitmap(new Bitmap(this.bitmap.Width, this.bitmap.Height, bitmap.PixelFormat));
byte a = 0;
int summedA;
int weight = 0;
int xpos, ypos, x, y, kx, ky;
int width = bitmap.Width;
int height = bitmap.Height;
for (int pass = 0; pass < passes; pass++)
{
//horizontal pass
for (y = 0; y < height; y++)
{
for (x = 0; x < width; x++)
{
summedA = weight = 0;
for (kx = -radius; kx <= radius; kx++)
{
xpos = x + kx;
if (xpos >= 0 && xpos < width)
{
GetAlpha32(xpos, y, ref a);
summedA += a;
weight++;
}
}
summedA /= weight;
tmp.PutAlpha32(x, y, (byte)summedA);
}
}
//vertical pass
for (x = 0; x <width; ++x)
{
for (y = 0; y < height; ++y)
{
summedA = weight = 0;
for (ky = -radius; ky <= radius; ky++)
{
ypos = y + ky;
if (ypos >= 0 && ypos < height)
{
tmp.GetAlpha32(x, ypos,ref a);
summedA += a;
weight++;
}
}
summedA /= weight;
PutAlpha32(x, y, (byte)summedA);
}
}
}
tmp.Free();
}
private static void RetargetGlyphRectangleInwards(BitmapData bitmapData, QFontGlyph glyph, bool setYOffset)
{
int startX, endX;
int startY, endY;
var rect = glyph.rect;
EmptyDel emptyPix;
if (bitmapData.PixelFormat == PixelFormat.Format32bppArgb)
{
emptyPix = delegate(BitmapData data, int x, int y) { return(QBitmap.EmptyAlphaPixel(data, x, y)); }
}
;
else
{
emptyPix = delegate(BitmapData data, int x, int y) { return(QBitmap.EmptyPixel(data, x, y)); }
};
unsafe
{
for (startX = rect.X; startX < bitmapData.Width; startX++)
{
for (int j = rect.Y; j <= rect.Y + rect.Height; j++)
{
if (!emptyPix(bitmapData, startX, j))
{
goto Done1;
}
}
}
Done1:
for (endX = rect.X + rect.Width; endX >= 0; endX--)
{
for (int j = rect.Y; j <= rect.Y + rect.Height; j++)
{
if (!emptyPix(bitmapData, endX, j))
{
goto Done2;
}
}
}
Done2:
for (startY = rect.Y; startY < bitmapData.Height; startY++)
{
for (int i = startX; i <= endX; i++)
{
if (!emptyPix(bitmapData, i, startY))
{
goto Done3;
}
}
}
Done3:
for (endY = rect.Y + rect.Height; endY >= 0; endY--)
{
for (int i = startX; i <= endX; i++)
{
if (!emptyPix(bitmapData, i, endY))
{
goto Done4;
}
}
}
Done4 :;
}
glyph.rect = new Rectangle(startX, startY, endX - startX + 1, endY - startY + 1);
if (setYOffset)
{
glyph.yOffset = glyph.rect.Y;
}
}
/// <summary>
/// Generates the final bitmap sheet for the font
/// </summary>
/// <param name="sourceGlyphs">A collection of <see cref="QFontGlyph"/>s. These are written to the final bitmap</param>
/// <param name="sourceBitmaps"> The source bitmaps for the font (initial bitmap)</param>
/// <param name="destSheetWidth">The destination bitmap width</param>
/// <param name="destSheetHeight">The destination bitmap height</param>
/// <param name="destGlyphs">A collection of <see cref="QFontGlyph"/>s that are placed on the final bitmap sheet</param>
/// <param name="destMargin">The margin for the final bitmap sheet</param>
/// <returns>A collection of <see cref="QBitmap"/>s. These are the final bitmap sheets</returns>
private static List <QBitmap> GenerateBitmapSheetsAndRepack(QFontGlyph[] sourceGlyphs, BitmapData[] sourceBitmaps, int destSheetWidth, int destSheetHeight, out QFontGlyph[] destGlyphs, int destMargin)
{
var pages = new List <QBitmap>();
destGlyphs = new QFontGlyph[sourceGlyphs.Length];
QBitmap currentPage = null;
int maxY = 0;
foreach (var glph in sourceGlyphs)
{
maxY = Math.Max(glph.Rect.Height, maxY);
}
int finalPageIndex = 0;
int finalPageRequiredWidth = 0;
int finalPageRequiredHeight = 0;
// We loop through the whole process twice. The first time is to determine
// the size of the final page, so that we can crop it in advance
for (int k = 0; k < 2; k++)
{
// Whether this is the pre-processing step
bool pre = k == 0;
int xPos = 0;
int yPos = 0;
int maxYInRow = 0;
int totalTries = 0;
// Loop through all the glyphs
for (int i = 0; i < sourceGlyphs.Length; i++)
{
// If this is the second stage and we don't already have a bitmap page, create one
if (!pre && currentPage == null)
{
if (finalPageIndex == pages.Count)
{
int width = Math.Min(destSheetWidth, finalPageRequiredWidth);
int height = Math.Min(destSheetHeight, finalPageRequiredHeight);
currentPage = new QBitmap(new Bitmap(width, height, PixelFormat.Format32bppArgb));
currentPage.Clear32(255, 255, 255, 0); //clear to white, but totally transparent
}
else
{
currentPage = new QBitmap(new Bitmap(destSheetWidth, destSheetHeight, PixelFormat.Format32bppArgb));
currentPage.Clear32(255, 255, 255, 0); //clear to white, but totally transparent
}
pages.Add(currentPage);
}
// Keep track of the number of times we've tried to fit the font onto the texture page
totalTries++;
if (totalTries > 10 * sourceGlyphs.Length)
{
throw new Exception("Failed to fit font into texture pages");
}
var rect = sourceGlyphs[i].Rect;
// If we can fit the glyph onto the page, place it
if (xPos + rect.Width + 2 * destMargin <= destSheetWidth && yPos + rect.Height + 2 * destMargin <= destSheetHeight)
{
if (!pre)
{
// Add to page
if (sourceBitmaps[sourceGlyphs[i].Page].PixelFormat == PixelFormat.Format32bppArgb)
{
QBitmap.Blit(sourceBitmaps[sourceGlyphs[i].Page], currentPage.BitmapData, rect.X, rect.Y, rect.Width, rect.Height, xPos + destMargin, yPos + destMargin);
}
else
{
QBitmap.BlitMask(sourceBitmaps[sourceGlyphs[i].Page], currentPage.BitmapData, rect.X, rect.Y, rect.Width, rect.Height, xPos + destMargin, yPos + destMargin);
}
// Add to destination glyph collection
destGlyphs[i] = new QFontGlyph(pages.Count - 1, new Rectangle(xPos + destMargin, yPos + destMargin, rect.Width, rect.Height), sourceGlyphs[i].YOffset, sourceGlyphs[i].Character);
}
else
{
// Update the final dimensions
finalPageRequiredWidth = Math.Max(finalPageRequiredWidth, xPos + rect.Width + 2 * destMargin);
finalPageRequiredHeight = Math.Max(finalPageRequiredHeight, yPos + rect.Height + 2 * destMargin);
}
// Update the current x position
xPos += rect.Width + 2 * destMargin;
// Update the maximum row height so far
maxYInRow = Math.Max(maxYInRow, rect.Height);
continue;
}
// If we reach this, haven't been able to fit glyph onto row
// Move down one row and try again
if (xPos + rect.Width + 2 * destMargin > destSheetWidth)
{
// Retry the current glyph on the next row
i--;
// Change coordinates to next row
yPos += maxYInRow + 2 * destMargin;
xPos = 0;
// Is the next row off the bitmap sheet?
if (yPos + maxY + 2 * destMargin > destSheetHeight)
{
// Reset y position
yPos = 0;
if (!pre)
{
// If this is not the second stage, reset the currentPage
// This will create a new one on next loop
currentPage = null;
}
else
{
// If this is the pre-processing stage, update
// the finalPageIndex. Reset width and height
// since we clearly need one full page and extra
finalPageRequiredWidth = 0;
finalPageRequiredHeight = 0;
finalPageIndex++;
}
}
}
}
}
return(pages);
}