private void DoPaint(Graphics gfx)
{
try {
gfx.TextRenderingHint = TextRenderingHint.AntiAlias;
fAcceptFontChange = false;
SolidBrush brush = new SolidBrush(this.ForeColor);
Font font = null;
try {
Rectangle clientRect = ClientRectangle;
gfx.FillRectangle(new SolidBrush(BackColor), clientRect);
int xOffset = fBorderWidth - -AutoScrollPosition.X;
int yOffset = fBorderWidth - -AutoScrollPosition.Y;
int lineHeight = 0;
int line = -1;
int chunksCount = fChunks.Count;
for (int k = 0; k < chunksCount; k++)
{
BBTextChunk chunk = fChunks[k];
if (line != chunk.Line)
{
line = chunk.Line;
xOffset = fBorderWidth - -AutoScrollPosition.X;
yOffset += lineHeight;
// this condition is dirty hack
if (line >= 0 && line < fHeights.Count)
{
lineHeight = fHeights[line];
}
}
string ct = chunk.Text;
if (!string.IsNullOrEmpty(ct))
{
brush.Color = ((ColorHandler)chunk.Color).Handle;
font = ProcessFont(font, chunk.Size, (sdFontStyle)chunk.Style);
gfx.DrawString(ct, font, brush, xOffset, yOffset, fStrFormat);
xOffset += chunk.Width;
}
}
} finally {
fAcceptFontChange = true;
if (brush != null)
{
brush.Dispose();
}
if (font != null)
{
font.Dispose();
}
}
} catch (Exception ex) {
Logger.LogWrite("HyperView.DoPaint(): " + ex.Message);
}
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
Point mpt = GetImageRelativeLocation(e.Location);
mpt.Offset(-fBorderWidth, -fBorderWidth);
fCurrentLink = null;
int num = fChunks.Count;
for (int i = 0; i < num; i++)
{
BBTextChunk chunk = fChunks[i];
if (string.IsNullOrEmpty(chunk.URL))
{
continue;
}
if (chunk.HasCoord(mpt.X, mpt.Y))
{
fCurrentLink = chunk;
break;
}
}
Cursor = (fCurrentLink == null) ? Cursors.Default : Cursors.Hand;
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
int xOffset = (fBorderWidth - -AutoScrollPosition.X);
int yOffset = (fBorderWidth - -AutoScrollPosition.Y);
fCurrentLink = null;
int num = fChunks.Count;
for (int i = 0; i < num; i++)
{
BBTextChunk chunk = fChunks[i];
if (string.IsNullOrEmpty(chunk.URL))
{
continue;
}
if (chunk.HasCoord(e.X, e.Y, xOffset, yOffset))
{
fCurrentLink = chunk;
break;
}
}
Cursor = (fCurrentLink == null) ? Cursors.Default : Cursors.Hand;
}
private void DoPaint(Graphics gfx)
{
try
{
fAcceptFontChange = false;
try
{
gfx.FillRectangle(new SolidBrush(BackgroundColor), Viewport);
Font defFont = this.Font;
int xOffset = fBorderWidth + ImageViewport.Left;
int yOffset = fBorderWidth + ImageViewport.Top;
int lineHeight = 0;
int line = -1;
int chunksCount = fChunks.Count;
for (int k = 0; k < chunksCount; k++)
{
BBTextChunk chunk = fChunks[k];
if (line != chunk.Line)
{
line = chunk.Line;
xOffset = fBorderWidth + ImageViewport.Left;
yOffset += lineHeight;
// this condition is dirty hack
if (line >= 0 && line < fHeights.Count)
{
lineHeight = fHeights[line];
}
}
string ct = chunk.Text;
if (!string.IsNullOrEmpty(ct))
{
// FIXME: null?!
IColor clr = chunk.Color;
var chunkColor = (clr == null) ? TextColor : ((ColorHandler)chunk.Color).Handle;
using (var brush = new SolidBrush(chunkColor)) {
using (var font = new Font(defFont.FamilyName, chunk.Size, (sdFontStyle)chunk.Style)) {
gfx.DrawText(font, brush, xOffset, yOffset, ct);
}
}
xOffset += chunk.Width;
}
}
}
finally
{
fAcceptFontChange = true;
}
}
catch (Exception ex)
{
Logger.LogWrite("HyperView.DoPaint(): " + ex.Message);
}
}
private void ShiftChunks(int startIndex, int chunksCount)
{
for (int m = startIndex; m < chunksCount; m++)
{
BBTextChunk mChunk = fChunks[m];
mChunk.Line += 1;
}
}
public HyperView() : base()
{
CenteredImage = false;
fAcceptFontChange = true;
fChunks = new List <BBTextChunk>();
fCurrentLink = null;
fHeights = new List <int>();
fLines = new StringList();
fLines.OnChange += LinesChanged;
fLinkColor = Colors.Blue;
fTextSize = ExtSize.Empty;
}
private void SplitChunk(BBTextChunk chunk, int index, string head, string tail, ref int chunksCount)
{
chunk.Text = head;
if (!string.IsNullOrEmpty(tail))
{
var newChunk = chunk.Clone();
newChunk.Text = tail;
fChunks.Insert(index + 1, newChunk);
chunksCount += 1;
ShiftChunks(index + 1, chunksCount);
}
}
public HyperView() : base()
{
SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.UserPaint |
ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
UpdateStyles();
BorderStyle = BorderStyle.Fixed3D;
DoubleBuffered = true;
TabStop = true;
fAcceptFontChange = true;
fChunks = new List <BBTextChunk>();
fCurrentLink = null;
fHeights = new List <int>();
fLines = new StringList();
fLines.OnChange += LinesChanged;
fLinkColor = Color.Blue;
fTextSize = ExtSize.Empty;
}
public HyperView()
{
SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.UserPaint |
ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
UpdateStyles();
BorderStyle = BorderStyle.Fixed3D;
DoubleBuffered = true;
TabStop = true;
fAcceptFontChange = true;
fChunks = new List <BBTextChunk>();
fCurrentLink = null;
fHeights = new List <int>();
fLines = new StringList();
fLines.OnChange += LinesChanged;
fLinkColor = Color.Blue;
fTextSize = ExtSize.Empty;
fStrFormat = new StringFormat(StringFormatFlags.MeasureTrailingSpaces | StringFormatFlags.NoWrap | StringFormatFlags.NoClip);
fWordWrap = true;
}
private void ArrangeText()
{
try {
fAcceptFontChange = false;
fHeights.Clear();
Graphics gfx = CreateGraphics();
//gfx.TextRenderingHint = TextRenderingHint.AntiAlias;
try {
int xPos = 0;
int yPos = 0;
int xMax = 0;
int lineHeight = 0;
string text = fLines.Text;
Font defFont = this.Font;
SizeF csz = this.ClientSize;
SizeF zerosz = new SizeF(0f, 0f);
var parser = new BBTextParser(AppHost.GfxProvider, defFont.SizeInPoints,
new ColorHandler(fLinkColor), new ColorHandler(ForeColor));
parser.ParseText(fChunks, text);
int line = -1;
int chunksCount = fChunks.Count;
int k = 0;
while (k < chunksCount)
{
BBTextChunk chunk = fChunks[k];
bool recalcChunk = false;
if (line != chunk.Line)
{
line = chunk.Line;
if (line > 0)
{
yPos += lineHeight;
fHeights.Add(lineHeight);
}
xPos = 0;
lineHeight = 0;
}
int prevX = xPos;
int prevY = yPos;
string chunkStr = chunk.Text;
if (!string.IsNullOrEmpty(chunkStr))
{
using (var font = new Font(defFont.Name, chunk.Size, (sdFontStyle)chunk.Style, defFont.Unit)) {
SizeF strSize = gfx.MeasureString(chunkStr, font, zerosz, fStrFormat);
if (fWordWrap)
{
int wBound = xPos + 2 * fBorderWidth;
if (wBound + strSize.Width > csz.Width)
{
int lastIndex = chunkStr.Length - 1;
while (true)
{
int spPos = chunkStr.LastIndexOf(' ', lastIndex);
if (spPos <= 0)
{
// the beginning of the chunk is reached and there are no more words to carry
chunk.Text = chunkStr.Substring(0, lastIndex + 1);
strSize = gfx.MeasureString(chunkStr, font, zerosz, fStrFormat);
// the current chunk still does not fit into the area
if (wBound + strSize.Width > csz.Width)
{
// this is not the only chunk on this line
if (k > 0 && fChunks[k - 1].Line == chunk.Line)
{
// transfer the current chunk to the next line
// and recount it again at the next iteration
ShiftChunks(k, chunksCount);
recalcChunk = true;
}
}
break;
}
string newChunk = chunkStr.Substring(0, spPos);
strSize = gfx.MeasureString(newChunk, font, zerosz, fStrFormat);
if (wBound + strSize.Width < csz.Width)
{
var secondPart = chunk.Clone();
secondPart.Text = chunkStr.Substring(spPos + 1);
secondPart.Line += 1;
fChunks.Insert(k + 1, secondPart);
chunksCount += 1;
// shift next chunks
ShiftChunks(k + 2, chunksCount);
chunk.Text = newChunk;
break;
}
else
{
lastIndex = spPos - 1;
}
}
}
}
chunk.Width = (int)strSize.Width;
xPos += chunk.Width;
if (xMax < xPos)
{
xMax = xPos;
}
int h = (int)strSize.Height;
if (lineHeight < h)
{
lineHeight = h;
}
}
if (!string.IsNullOrEmpty(chunk.URL))
{
chunk.LinkRect = ExtRect.CreateBounds(prevX, prevY, xPos - prevX, lineHeight);
}
}
if (!recalcChunk)
{
k++;
}
}
fTextSize = new ExtSize(xMax + 2 * fBorderWidth, yPos + 2 * fBorderWidth);
} finally {
gfx.Dispose();
fAcceptFontChange = true;
AdjustViewport(fTextSize);
}
} catch (Exception ex) {
Logger.LogWrite("HyperView.ArrangeText(): " + ex.Message);
}
}
private void DoPaint(Graphics gfx)
{
try
{
fAcceptFontChange = false;
try
{
Rectangle clientRect = ClientRectangle;
gfx.FillRectangle(new SolidBrush(BackColor), clientRect);
Font defFont = this.Font;
int xOffset = fBorderWidth - -AutoScrollPosition.X;
int yOffset = fBorderWidth - -AutoScrollPosition.Y;
int lineHeight = 0;
int line = -1;
int chunksCount = fChunks.Count;
for (int k = 0; k < chunksCount; k++)
{
BBTextChunk chunk = fChunks[k];
if (line != chunk.Line)
{
line = chunk.Line;
xOffset = fBorderWidth - -AutoScrollPosition.X;
yOffset += lineHeight;
// this condition is dirty hack
if (line >= 0 && line < fHeights.Count)
{
lineHeight = fHeights[line];
}
}
int prevX = xOffset;
int prevY = yOffset;
string ct = chunk.Text;
if (!string.IsNullOrEmpty(ct))
{
var chunkColor = ((ColorHandler)chunk.Color).Handle;
using (var brush = new SolidBrush(chunkColor)) {
using (var font = new Font(defFont.Name, chunk.Size, (sdFontStyle)chunk.Style, defFont.Unit)) {
gfx.DrawString(ct, font, brush, xOffset, yOffset);
}
}
xOffset += chunk.Width;
if (!string.IsNullOrEmpty(chunk.URL))
{
chunk.LinkRect = ExtRect.CreateBounds(prevX, prevY, xOffset - prevX, lineHeight);
}
}
}
}
finally
{
fAcceptFontChange = true;
}
}
catch (Exception ex)
{
Logger.LogWrite("HyperView.DoPaint(): " + ex.Message);
}
}
private void ArrangeText()
{
try
{
fAcceptFontChange = false;
fHeights.Clear();
Graphics gfx = CreateGraphics();
try
{
int xPos = 0;
int yPos = 0;
int xMax = 0;
int lineHeight = 0;
string text = fLines.Text;
Font defFont = this.Font;
var parser = new BBTextParser(AppHost.GfxProvider, defFont.SizeInPoints,
new ColorHandler(fLinkColor),
new ColorHandler(ForeColor));
parser.ParseText(fChunks, text);
int line = -1;
int chunksCount = fChunks.Count;
for (int k = 0; k < chunksCount; k++)
{
BBTextChunk chunk = fChunks[k];
if (line != chunk.Line)
{
line = chunk.Line;
if (line > 0)
{
yPos += lineHeight;
fHeights.Add(lineHeight);
}
xPos = 0;
lineHeight = 0;
}
if (!string.IsNullOrEmpty(chunk.Text))
{
using (var font = new Font(defFont.Name, chunk.Size, (sdFontStyle)chunk.Style, defFont.Unit)) {
SizeF strSize = gfx.MeasureString(chunk.Text, font);
chunk.Width = (int)strSize.Width;
xPos += chunk.Width;
if (xMax < xPos)
{
xMax = xPos;
}
int h = (int)strSize.Height;
if (lineHeight < h)
{
lineHeight = h;
}
}
}
}
fTextSize = new ExtSize(xMax + 2 * fBorderWidth, yPos + 2 * fBorderWidth);
}
finally
{
gfx.Dispose();
fAcceptFontChange = true;
AdjustViewport(fTextSize);
}
}
catch (Exception ex)
{
Logger.LogWrite("HyperView.ArrangeText(): " + ex.Message);
}
}
private void ArrangeText()
{
try {
fAcceptFontChange = false;
fHeights.Clear();
try {
int xPos = 0;
int yPos = 0;
int xMax = 0;
int lineHeight = 0;
string text = fLines.Text.Trim();
if (!string.IsNullOrEmpty(text))
{
Font defFont = this.Font;
var parser = new BBTextParser(AppHost.GfxProvider, defFont.Size,
new ColorHandler(fLinkColor), new ColorHandler(TextColor));
parser.ParseText(fChunks, text);
int line = -1;
int chunksCount = fChunks.Count;
for (int k = 0; k < chunksCount; k++)
{
BBTextChunk chunk = fChunks[k];
if (line != chunk.Line)
{
line = chunk.Line;
if (line > 0)
{
yPos += lineHeight;
fHeights.Add(lineHeight);
}
xPos = 0;
lineHeight = 0;
}
int prevX = xPos;
int prevY = yPos;
if (!string.IsNullOrEmpty(chunk.Text))
{
using (var font = new Font(defFont.FamilyName, chunk.Size, (sdFontStyle)chunk.Style)) {
SizeF strSize = font.MeasureString(chunk.Text);
chunk.Width = (int)strSize.Width;
xPos += chunk.Width;
if (xMax < xPos)
{
xMax = xPos;
}
int h = (int)strSize.Height;
if (lineHeight < h)
{
lineHeight = h;
}
}
if (!string.IsNullOrEmpty(chunk.URL))
{
chunk.LinkRect = ExtRect.CreateBounds(prevX, prevY, xPos - prevX, lineHeight);
}
}
}
}
fTextSize = new ExtSize(xMax + 2 * fBorderWidth, yPos + 2 * fBorderWidth);
} finally {
fAcceptFontChange = true;
SetImageSize(fTextSize);
}
} catch (Exception ex) {
Logger.LogWrite("HyperView.ArrangeText(): " + ex.Message);
}
}
private void DoPaint(Graphics gfx)
{
try {
fAcceptFontChange = false;
SolidBrush brush = new SolidBrush(this.TextColor);
Font font = null;
try {
gfx.FillRectangle(new SolidBrush(BackgroundColor), Viewport);
var scrollPos = ImageViewport;
int xOffset = fBorderWidth + scrollPos.Left;
int yOffset = fBorderWidth + scrollPos.Top;
int lineHeight = 0;
int line = -1;
int chunksCount = fChunks.Count;
for (int k = 0; k < chunksCount; k++)
{
BBTextChunk chunk = fChunks[k];
if (line != chunk.Line)
{
line = chunk.Line;
xOffset = fBorderWidth + scrollPos.Left;
yOffset += lineHeight;
// this condition is dirty hack
if (line >= 0 && line < fHeights.Count)
{
lineHeight = fHeights[line];
}
}
string ct = chunk.Text;
if (!string.IsNullOrEmpty(ct))
{
Color chunkColor = (chunk.Color == null) ? TextColor : ((ColorHandler)chunk.Color).Handle;
if (brush != null)
{
brush.Dispose();
}
brush = new SolidBrush(chunkColor);
font = ProcessFont(font, chunk.Size, (EDFontStyle)chunk.Style);
gfx.DrawText(font, brush, xOffset, yOffset, ct);
xOffset += chunk.Width;
}
}
} finally {
fAcceptFontChange = true;
if (brush != null)
{
brush.Dispose();
}
if (font != null)
{
font.Dispose();
}
}
} catch (Exception ex) {
Logger.WriteError("HyperView.DoPaint()", ex);
}
}
private void ArrangeText()
{
try {
SuspendLayout();
fAcceptFontChange = false;
fHeights.Clear();
try {
int xPos = 0;
int yPos = 0;
int xMax = 0;
int lineHeight = 0;
string text = fLines.Text;
Font defFont = this.Font;
float maxWidth = this.ClientSize.Width - (2 * fBorderWidth);
text = SysUtils.StripHTML(text);
var parser = new BBTextParser(AppHost.GfxProvider, defFont.Size,
new ColorHandler(fLinkColor), new ColorHandler(TextColor));
parser.ParseText(fChunks, text);
int line = -1;
int chunksCount = fChunks.Count;
int k = 0;
while (k < chunksCount)
{
BBTextChunk chunk = fChunks[k];
bool recalcChunk = false;
if (line != chunk.Line)
{
line = chunk.Line;
if (line > 0)
{
yPos += lineHeight;
fHeights.Add(lineHeight);
}
xPos = 0;
lineHeight = 0;
}
int prevX = xPos;
int prevY = yPos;
string chunkStr = chunk.Text;
if (!string.IsNullOrEmpty(chunkStr))
{
using (var font = new Font(defFont.FamilyName, chunk.Size, (EDFontStyle)chunk.Style)) {
SizeF strSize = font.MeasureString(chunkStr);
if (fWordWrap && xPos + strSize.Width > maxWidth)
{
int lastPos = 0, prevPos = 0;
string tempStr, prevStr = string.Empty;
int sliceType = -1;
while (true)
{
tempStr = GetSlice(chunkStr, ref lastPos, ref sliceType);
strSize = font.MeasureString(tempStr);
if (xPos + strSize.Width <= maxWidth)
{
prevStr = tempStr;
prevPos = lastPos;
}
else
{
if (sliceType == 0)
{
// first word
if (xPos == 0)
{
string tail = chunkStr.Substring(lastPos);
SplitChunk(chunk, k, tempStr, tail, ref chunksCount);
}
else
{
ShiftChunks(k, chunksCount);
recalcChunk = true;
}
break;
}
else if (sliceType == 1 || sliceType == 2)
{
// middle or tail word
string tail = chunkStr.Substring(prevPos);
SplitChunk(chunk, k, prevStr, tail, ref chunksCount);
break;
}
else if (sliceType == 3)
{
// one first and last word, nothing to do
break;
}
}
}
}
strSize = font.MeasureString(chunk.Text);
chunk.Width = (int)strSize.Width;
xPos += chunk.Width;
if (xMax < xPos)
{
xMax = xPos;
}
int h = (int)strSize.Height;
if (lineHeight < h)
{
lineHeight = h;
}
}
if (!string.IsNullOrEmpty(chunk.URL))
{
chunk.LinkRect = ExtRect.CreateBounds(prevX, prevY, xPos - prevX, lineHeight);
}
}
if (!recalcChunk)
{
k++;
}
}
fTextSize = new ExtSize(xMax + 2 * fBorderWidth, yPos + 2 * fBorderWidth);
} finally {
fAcceptFontChange = true;
SetImageSize(fTextSize);
ResumeLayout();
}
} catch (Exception ex) {
Logger.WriteError("HyperView.ArrangeText()", ex);
}
}