public UnsafeBitmap(UnsafeBitmap other)
{
// copy the bitmap
bitmap = (Bitmap) other.bitmap.Clone();
graphics = Graphics.FromImage(bitmap);
bitmapWidth = other.bitmapWidth;
bitmapHeight = other.bitmapHeight;
// the remaining parameters are not set, as the bitmap is in unlocked state
}
public UnsafeBitmap(UnsafeBitmap other)
{
// copy the bitmap
bitmap = (Bitmap)other.bitmap.Clone();
graphics = Graphics.FromImage(bitmap);
bitmapWidth = other.bitmapWidth;
bitmapHeight = other.bitmapHeight;
// the remaining parameters are not set, as the bitmap is in unlocked state
}
public UnsafeBitmap Darker()
{
UnsafeBitmap result = new UnsafeBitmap(bitmapWidth, bitmapHeight);
result.LockBitmap();
for (int i = 0; i < bitmapWidth; i++){
for (int j = 0; j < bitmapHeight; j++){
PixelData p = GetPixel(i, j);
result.SetPixel(i, j, Color.FromArgb(Math.Max(0, p.red - 20), Math.Max(0, p.green - 20), Math.Max(0, p.blue - 20)));
}
}
return result;
}
public static void FillShadedRectangle(UnsafeBitmap b, int w, int h)
{
b.FillRectangle(Color.White, 0, 0, w - 1, h - 1);
b.SetPixel(1, 1, Color.FromArgb(230, 238, 252));
b.SetPixel(1, h - 3, Color.FromArgb(219, 227, 248));
b.SetPixel(w - 3, 1, Color.FromArgb(220, 230, 249));
b.SetPixel(w - 3, h - 3, Color.FromArgb(217, 227, 246));
b.SetPixel(w - 1, h - 3, Color.FromArgb(174, 192, 214));
b.SetPixel(w - 2, h - 2, Color.FromArgb(174, 196, 219));
b.SetPixel(0, h - 2, Color.FromArgb(195, 212, 231));
b.SetPixel(0, h - 1, Color.FromArgb(237, 241, 243));
b.SetPixel(w - 2, h - 1, Color.FromArgb(236, 242, 247));
int wi = w - 5;
int he = h - 5;
int[][] upper = InterpolateRgb(new[]{225, 234, 254}, new[]{188, 206, 250}, wi);
int[][] lower = InterpolateRgb(new[]{183, 203, 249}, new[]{174, 200, 247}, wi);
for (int i = 0; i < wi; i++){
int[][] pix = InterpolateRgb(new[]{upper[0][i], upper[1][i], upper[2][i]},
new[]{lower[0][i], lower[1][i], lower[2][i]}, he);
for (int j = 0; j < he; j++){
b.SetPixel(i + 2, j + 2, Color.FromArgb(pix[0][j], pix[1][j], pix[2][j]));
}
}
int[][] pix2 = InterpolateRgb(new[]{208, 223, 252}, new[]{170, 192, 243}, he);
for (int j = 0; j < he; j++){
b.SetPixel(1, j + 2, Color.FromArgb(pix2[0][j], pix2[1][j], pix2[2][j]));
}
pix2 = InterpolateRgb(new[]{185, 202, 243}, new[]{176, 197, 242}, he);
for (int j = 0; j < he; j++){
b.SetPixel(w - 3, j + 2, Color.FromArgb(pix2[0][j], pix2[1][j], pix2[2][j]));
}
pix2 = InterpolateRgb(new[]{208, 223, 252}, new[]{175, 197, 244}, wi);
for (int i = 0; i < wi; i++){
b.SetPixel(i + 2, 1, Color.FromArgb(pix2[0][i], pix2[1][i], pix2[2][i]));
}
pix2 = InterpolateRgb(new[]{183, 198, 241}, new[]{176, 196, 242}, wi);
for (int i = 0; i < wi; i++){
b.SetPixel(i + 2, h - 3, Color.FromArgb(pix2[0][i], pix2[1][i], pix2[2][i]));
}
pix2 = InterpolateRgb(new[]{238, 237, 229}, new[]{160, 181, 211}, he + 2);
for (int i = 0; i < he + 2; i++){
b.SetPixel(w - 1, i, Color.FromArgb(pix2[0][i], pix2[1][i], pix2[2][i]));
}
pix2 = InterpolateRgb(new[]{170, 192, 225}, new[]{126, 159, 211}, w/2);
for (int i = 1; i <= w/2; i++){
b.SetPixel(i, h - 1, Color.FromArgb(pix2[0][i - 1], pix2[1][i - 1], pix2[2][i - 1]));
}
pix2 = InterpolateRgb(new[]{126, 159, 211}, new[]{148, 176, 221}, w - 3 - w/2);
for (int i = w/2 + 1; i <= w - 3; i++){
b.SetPixel(i, h - 1, Color.FromArgb(pix2[0][i - w/2 - 1], pix2[1][i - w/2 - 1], pix2[2][i - w/2 - 1]));
}
}
public UnsafeBitmap Darker()
{
UnsafeBitmap result = new UnsafeBitmap(bitmapWidth, bitmapHeight);
result.LockBitmap();
for (int i = 0; i < bitmapWidth; i++)
{
for (int j = 0; j < bitmapHeight; j++)
{
PixelData p = GetPixel(i, j);
result.SetPixel(i, j, Color.FromArgb(Math.Max(0, p.red - 20), Math.Max(0, p.green - 20), Math.Max(0, p.blue - 20)));
}
}
return(result);
}
private void CreateSecondMark(int scrollBarWid)
{
int w = scrollBarWid - 1;
int h = scrollBarWid - 2;
UnsafeBitmap b = new UnsafeBitmap(w, h);
b.LockBitmap();
FormUtil.FillShadedRectangle(b, w, h);
UnsafeBitmap bh = b.Lighter();
UnsafeBitmap bp = b.Darker();
b.UnlockBitmap();
bh.UnlockBitmap();
bp.UnlockBitmap();
secondMark = b.Bitmap;
secondMark.MakeTransparent();
secondMarkHighlight = bh.Bitmap;
secondMarkHighlight.MakeTransparent();
secondMarkPress = bp.Bitmap;
secondMarkPress.MakeTransparent();
}
private void CreateBar(int scrollBarWid, int width)
{
int w = CalcBarSize(width);
int h = scrollBarWid - 2;
UnsafeBitmap b = new UnsafeBitmap(w, h);
b.LockBitmap();
FormUtil.FillShadedRectangle(b, w, h);
UnsafeBitmap bh = b.Lighter();
UnsafeBitmap bp = b.Darker();
b.UnlockBitmap();
bh.UnlockBitmap();
bp.UnlockBitmap();
bar = b.Bitmap;
bar.MakeTransparent();
barHighlight = bh.Bitmap;
barHighlight.MakeTransparent();
barPress = bp.Bitmap;
barPress.MakeTransparent();
}
public static void FillShadedRectangle(UnsafeBitmap b, int w, int h)
{
b.FillRectangle(Color.White, 0, 0, w - 1, h - 1);
b.SetPixel(1, 1, Color.FromArgb(230, 238, 252));
b.SetPixel(1, h - 3, Color.FromArgb(219, 227, 248));
b.SetPixel(w - 3, 1, Color.FromArgb(220, 230, 249));
b.SetPixel(w - 3, h - 3, Color.FromArgb(217, 227, 246));
b.SetPixel(w - 1, h - 3, Color.FromArgb(174, 192, 214));
b.SetPixel(w - 2, h - 2, Color.FromArgb(174, 196, 219));
b.SetPixel(0, h - 2, Color.FromArgb(195, 212, 231));
b.SetPixel(0, h - 1, Color.FromArgb(237, 241, 243));
b.SetPixel(w - 2, h - 1, Color.FromArgb(236, 242, 247));
int wi = w - 5;
int he = h - 5;
int[][] upper = InterpolateRgb(new[] { 225, 234, 254 }, new[] { 188, 206, 250 }, wi);
int[][] lower = InterpolateRgb(new[] { 183, 203, 249 }, new[] { 174, 200, 247 }, wi);
for (int i = 0; i < wi; i++)
{
int[][] pix = InterpolateRgb(new[] { upper[0][i], upper[1][i], upper[2][i] },
new[] { lower[0][i], lower[1][i], lower[2][i] }, he);
for (int j = 0; j < he; j++)
{
b.SetPixel(i + 2, j + 2, Color.FromArgb(pix[0][j], pix[1][j], pix[2][j]));
}
}
int[][] pix2 = InterpolateRgb(new[] { 208, 223, 252 }, new[] { 170, 192, 243 }, he);
for (int j = 0; j < he; j++)
{
b.SetPixel(1, j + 2, Color.FromArgb(pix2[0][j], pix2[1][j], pix2[2][j]));
}
pix2 = InterpolateRgb(new[] { 185, 202, 243 }, new[] { 176, 197, 242 }, he);
for (int j = 0; j < he; j++)
{
b.SetPixel(w - 3, j + 2, Color.FromArgb(pix2[0][j], pix2[1][j], pix2[2][j]));
}
pix2 = InterpolateRgb(new[] { 208, 223, 252 }, new[] { 175, 197, 244 }, wi);
for (int i = 0; i < wi; i++)
{
b.SetPixel(i + 2, 1, Color.FromArgb(pix2[0][i], pix2[1][i], pix2[2][i]));
}
pix2 = InterpolateRgb(new[] { 183, 198, 241 }, new[] { 176, 196, 242 }, wi);
for (int i = 0; i < wi; i++)
{
b.SetPixel(i + 2, h - 3, Color.FromArgb(pix2[0][i], pix2[1][i], pix2[2][i]));
}
pix2 = InterpolateRgb(new[] { 238, 237, 229 }, new[] { 160, 181, 211 }, he + 2);
for (int i = 0; i < he + 2; i++)
{
b.SetPixel(w - 1, i, Color.FromArgb(pix2[0][i], pix2[1][i], pix2[2][i]));
}
pix2 = InterpolateRgb(new[] { 170, 192, 225 }, new[] { 126, 159, 211 }, w / 2);
for (int i = 1; i <= w / 2; i++)
{
b.SetPixel(i, h - 1, Color.FromArgb(pix2[0][i - 1], pix2[1][i - 1], pix2[2][i - 1]));
}
pix2 = InterpolateRgb(new[] { 126, 159, 211 }, new[] { 148, 176, 221 }, w - 3 - w / 2);
for (int i = w / 2 + 1; i <= w - 3; i++)
{
b.SetPixel(i, h - 1, Color.FromArgb(pix2[0][i - w / 2 - 1], pix2[1][i - w / 2 - 1], pix2[2][i - w / 2 - 1]));
}
}
protected void PaintOnGraphicsBitmap(IGraphics g, int width, int height)
{
if (backBuffer == null || scatterPlot == null) {
return;
}
UnsafeBitmap copyBackBuffer = new UnsafeBitmap(backBuffer);
copyBackBuffer.LockBitmap();
// selected data-points
foreach (int s in scatterPlot.Selection) {
double[] w = scatterPlot.GetDataAt(s);
if (w.Length > 0){
double x = w[0];
double y = w[1];
SymbolProperties gx = GetPointProperties != null ? GetPointProperties(s) : defaultSymbol;
SymbolType symbolType = SymbolType.allSymbols[gx.Type];
int symbolSize = gx.Size;
if (symbolSize > 0){
int[] pathX;
int[] pathY;
symbolType.GetPath(symbolSize, out pathX, out pathY);
copyBackBuffer.DrawPath(SelectionColor, ModelToViewX(x, width), ModelToViewY(y, height), pathX, pathY);
}
}
}
copyBackBuffer.UnlockBitmap();
// labels
ScatterPlotLabelMode labelMode = scatterPlot.GetLabelMode();
bool cutLabels = scatterPlot.CutLabels;
if (labelMode == ScatterPlotLabelMode.All && scatterPlot.HasLabels) {
Font font = new Font("Arial", scatterPlot.FontSize, scatterPlot.FontStyle);
for (;;){
double[] x;
double[] y;
double[] z;
string[] labels;
int index;
try{
scatterPlot.GetData(out x, out y, out z, out labels, out index);
} catch (IndexOutOfRangeException){
break;
}
if (x == null){
break;
}
SymbolProperties gx = GetPointProperties != null ? GetPointProperties(index) : defaultSymbol;
for (int i = 0; i < x.Length; i++){
if (labelMode == ScatterPlotLabelMode.All || scatterPlot.IsSelected(i)) {
int ix = ModelToViewX(x[i], width);
int iy = ModelToViewY(y[i], height);
Color c;
if (z != null && colorScale != null){
c = colorScale.GetColor(z[i]);
} else{
c = gx.Color;
}
Brush b = new SolidBrush(c);
if (ix >= 0 && iy >= 0 && ix < width && iy < height){
if (labels[i] != null){
string s = labels[i];
if (cutLabels){
if (s.Contains(";")){
s = s.Substring(0, s.IndexOf(';'));
}
}
copyBackBuffer.DrawString(s, font, b, ix, iy);
}
}
}
}
}
scatterPlot.Reset();
}
if (labelMode == ScatterPlotLabelMode.Selected && scatterPlot.HasLabels) {
Brush br = new SolidBrush(SelectionColor);
Font font = new Font("Arial", scatterPlot.FontSize, scatterPlot.FontStyle);
foreach (int s in scatterPlot.Selection) {
double[] w = scatterPlot.GetDataAt(s);
string label = scatterPlot.GetLabelAt(s);
double x = w[0];
double y = w[1];
int ix = ModelToViewX(x, width);
int iy = ModelToViewY(y, height);
if (ix >= 0 && iy >= 0 && ix < width && iy < height){
if (label != null){
if (cutLabels){
if (label.Contains(";")){
label = label.Substring(0, label.IndexOf(';'));
}
}
copyBackBuffer.DrawString(label, font, br, ix, iy);
}
}
}
}
// draw the image
g.DrawImageUnscaled(copyBackBuffer.Bitmap, 0, 0);
copyBackBuffer.Dispose();
g.SmoothingMode = SmoothingMode.AntiAlias;
DrawPolygons(g, width, height);
if (drawFunctions != null){
drawFunctions(g, width, height, ModelToViewX, ModelToViewY, ViewToModelX, ViewToModelY);
}
g.SmoothingMode = SmoothingMode.Default;
}
protected internal override void OnPaint(IGraphics g, int width, int height)
{
if (width <= 0 || height <= 0){
return;
}
if (!Visible){
return;
}
Brush foreBrush = new SolidBrush(ForeColor);
if (paintBackground && IsInitialized() && !IsDragging()){
g.DrawString("Loading...", Font, foreBrush, width/2 - 20, height/2 - 10);
}
if (scatterPlot == null) {
return;
}
if (width != prevWidth || height != prevHeight){
InvalidateData();
}
prevHeight = height;
prevWidth = width;
if (ValuesNeedRecalc()){
if (!IsDragging()){
RecalcValues(width, height);
}
return;
}
if (backBuffer == null){
lockBackBuffer = true;
backBuffer = new UnsafeBitmap(width, height);
backBuffer.LockBitmap();
PaintOnBackBuffer(width, height);
backBuffer.UnlockBitmap();
lockBackBuffer = false;
}
vectorGraphics = !(g is CGraphics);
if (vectorGraphics){
PaintOnGraphicsVector(g, width, height);
} else{
PaintOnGraphicsBitmap(g, width, height);
}
if (indicatorX1 != -1 && indicatorX2 != -1 && indicatorY1 != -1 && indicatorY2 != -1){
g.SmoothingMode = SmoothingMode.AntiAlias;
Pen indicatorPen = new Pen(Color.Black){DashStyle = DashStyle.Dot};
switch (MouseMode){
case ScatterPlotMouseMode.Select:
case ScatterPlotMouseMode.Zoom:{
g.DrawRectangle(indicatorPen, MinIndicatorX, MinIndicatorY, DeltaIndicatorX, DeltaIndicatorY);
}
break;
}
g.SmoothingMode = SmoothingMode.Default;
}
}
internal virtual void InvalidateImage()
{
if (!lockBackBuffer){
backBuffer = null;
}
}
