//
// System.Windows.Forms.ControlPaint.cs
//
// Author:
// stubbed out by Jaak Simm (jaaksimm@firm.ee)
// Dennis Hayes (dennish@Raytek.com)
// Alexandre Pigolkine (pigolkine@gmx.de)
//
// rewritten for System.Drawing
// by Peter Dennis Bartok (pbartok@novell.com)
//
//
// (C) Ximian, Inc 2002/3
// (C) Novell, Inc 2003
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
namespace System.Windows.Forms{
/// <summary>
/// Provides methods used to paint common Windows controls and their elements.
/// </summary>
public sealed class ControlPaint {
static int RGBMax=255;
static int HLSMax=255;
private static Color Win32ToColor(int Win32Color) {
return(Color.FromArgb(
(int)(Win32Color) & 0xff0000 >> 16, // blue
(int)(Win32Color) & 0xff00 >> 8, // green
(int)(Win32Color) & 0xff // red
));
}
#region Properties
public static Color ContrastControlDark {
get { return(SystemColors.ControlDark); }
}
#endregion
#region Helpers
internal static void Color2HBS(Color color, out int h, out int l, out int s) {
int r;
int g;
int b;
int cMax;
int cMin;
int rDelta;
int gDelta;
int bDelta;
r=color.R;
g=color.G;
b=color.B;
cMax = Math.Max(Math.Max(r, g), b);
cMin = Math.Min(Math.Min(r, g), b);
l = (((cMax+cMin)*HLSMax)+RGBMax)/(2*RGBMax);
if (cMax==cMin) { // Achromatic
h=0; // h undefined
s=0;
l=r;
return;
}
/* saturation */
if (l<=(HLSMax/2)) {
s=(((cMax-cMin)*HLSMax)+((cMax+cMin)/2))/(cMax+cMin);
} else {
s=(((cMax-cMin)*HLSMax)+((2*RGBMax-cMax-cMin)/2))/(2*RGBMax-cMax-cMin);
}
/* hue */
rDelta=(((cMax-r)*(HLSMax/6))+((cMax-cMin)/2))/(cMax-cMin);
gDelta=(((cMax-g)*(HLSMax/6))+((cMax-cMin)/2))/(cMax-cMin);
bDelta=(((cMax-b)*(HLSMax/6))+((cMax-cMin)/2))/(cMax-cMin);
if (r == cMax) {
h=bDelta - gDelta;
} else if (g == cMax) {
h=(HLSMax/3) + rDelta - bDelta;
} else { /* B == cMax */
h=((2*HLSMax)/3) + gDelta - rDelta;
}
if (h<0) {
h+=HLSMax;
}
if (h>HLSMax) {
h-=HLSMax;
}
}
private static int HueToRGB(int n1, int n2, int hue) {
if (hue<0) {
hue+=HLSMax;
}
if (hue>HLSMax) {
hue -= HLSMax;
}
/* return r,g, or b value from this tridrant */
if (hue<(HLSMax/6)) {
return(n1+(((n2-n1)*hue+(HLSMax/12))/(HLSMax/6)));
}
if (hue<(HLSMax/2)) {
return(n2);
}
if (hue<((HLSMax*2)/3)) {
return(n1+(((n2-n1)*(((HLSMax*2)/3)-hue)+(HLSMax/12))/(HLSMax/6)));
} else {
return(n1);
}
}
private static Color HBS2Color(int hue, int lum, int sat) {
int R;
int G;
int B;
int Magic1;
int Magic2;
if (sat == 0) { /* Achromatic */
R=G=B=(lum*RGBMax)/HLSMax;
// FIXME : Should throw exception if hue!=0
} else {
if (lum<=(HLSMax/2)) {
Magic2=(lum*(HLSMax+sat)+(HLSMax/2))/HLSMax;
} else {
Magic2=sat+lum-((sat*lum)+(HLSMax/2))/HLSMax;
}
Magic1=2*lum-Magic2;
R = Math.Min(255, (HueToRGB(Magic1,Magic2,hue+(HLSMax/3))*RGBMax+(HLSMax/2))/HLSMax);
G = Math.Min(255, (HueToRGB(Magic1,Magic2,hue)*RGBMax+(HLSMax/2))/HLSMax);
B = Math.Min(255, (HueToRGB(Magic1,Magic2,hue-(HLSMax/3))*RGBMax+(HLSMax/2))/HLSMax);
}
return(Color.FromArgb(R, G, B));
}
#endregion
#region Methods
/// following methods were not stubbed out, because they only support .NET framework:
public static IntPtr CreateHBitmap16Bit(Bitmap bitmap,Color background){
throw new NotImplementedException ();
}
public static IntPtr CreateHBitmapColorMask(Bitmap bitmap,IntPtr monochromeMask){
throw new NotImplementedException ();
}
public static IntPtr CreateHBitmapTransparencyMask(Bitmap bitmap){
throw new NotImplementedException ();
}
public static Color Light(Color baseColor) {
return Light( baseColor, 10.0f);
}
public static Color Light(Color baseColor,float percOfLightLight) {
int H, I, S;
ControlPaint.Color2HBS(baseColor, out H, out I, out S);
int NewIntensity = Math.Min( 255, I + ((255*(int)percOfLightLight)/100));
return ControlPaint.HBS2Color(H, NewIntensity, S);
}
public static Color LightLight(Color baseColor) {
return Light( baseColor, 20.0f);
}
public static Color Dark(Color baseColor) {
return Dark(baseColor, 10.0f);
}
public static Color Dark(Color baseColor,float percOfDarkDark) {
int H, I, S;
ControlPaint.Color2HBS(baseColor, out H, out I, out S);
int NewIntensity = Math.Max(0, I - ((255*(int)percOfDarkDark) / 100));
return ControlPaint.HBS2Color(H, NewIntensity, S);
}
public static Color DarkDark(Color baseColor) {
return Dark(baseColor, 20.0f);
}
public static void DrawBorder(Graphics graphics, Rectangle bounds, Color color, ButtonBorderStyle style) {
DrawBorder(graphics, bounds, color, 1, style, color, 1, style, color, 1, style, color, 1, style);
}
public static void DrawBorder( Graphics graphics, Rectangle bounds, Color leftColor, int leftWidth,
ButtonBorderStyle leftStyle, Color topColor, int topWidth, ButtonBorderStyle topStyle,
Color rightColor, int rightWidth, ButtonBorderStyle rightStyle, Color bottomColor, int bottomWidth,
ButtonBorderStyle bottomStyle) {
DrawBorderInternal(graphics, bounds.Left, bounds.Top, bounds.Left, bounds.Bottom-1, leftWidth, leftColor, leftStyle, Border3DSide.Left);
DrawBorderInternal(graphics, bounds.Left, bounds.Top, bounds.Right-1, bounds.Top, topWidth, topColor, topStyle, Border3DSide.Top);
DrawBorderInternal(graphics, bounds.Right-1, bounds.Top, bounds.Right-1, bounds.Bottom-1, rightWidth, rightColor, rightStyle, Border3DSide.Right);
DrawBorderInternal(graphics, bounds.Left, bounds.Bottom-1, bounds.Right-1, bounds.Bottom-1, bottomWidth, bottomColor, bottomStyle, Border3DSide.Bottom);
}
private static void DrawBorderInternal(Graphics graphics, int startX, int startY, int endX, int endY,
int width, Color color, ButtonBorderStyle style, Border3DSide side) {
Pen pen=new Pen(color, 1);
switch(style) {
case ButtonBorderStyle.Solid: {
pen.DashStyle=DashStyle.Solid;
break;
}
case ButtonBorderStyle.Dashed: {
pen.DashStyle=DashStyle.Dash;
break;
}
case ButtonBorderStyle.Dotted: {
pen.DashStyle=DashStyle.Dot;
break;
}
case ButtonBorderStyle.Inset: {
pen.DashStyle=DashStyle.Solid;
break;
}
case ButtonBorderStyle.Outset: {
pen.DashStyle=DashStyle.Solid;
break;
}
default:
case ButtonBorderStyle.None: {
pen.Dispose();
return;
}
}
switch(style) {
case ButtonBorderStyle.Outset: {
Color colorGrade;
int hue, brightness, saturation;
int brightnessSteps;
int brightnessDownSteps;
Color2HBS(color, out hue, out brightness, out saturation);
brightnessDownSteps=brightness/width;
if (brightness>127) {
brightnessSteps=Math.Max(6, (160-brightness)/width);
} else {
brightnessSteps=(127-brightness)/width;
}
for (int i=0; i<width; i++) {
switch(side) {
case Border3DSide.Left: {
pen.Dispose();
colorGrade=HBS2Color(hue, Math.Min(255, brightness+brightnessSteps*(width-i)), saturation);
pen=new Pen(colorGrade, 1);
graphics.DrawLine(pen, startX+i, startY+i, endX+i, endY-i);
break;
}
case Border3DSide.Right: {
pen.Dispose();
colorGrade=HBS2Color(hue, Math.Max(0, brightness-brightnessDownSteps*(width-i)), saturation);
pen=new Pen(colorGrade, 1);
graphics.DrawLine(pen, startX-i, startY+i, endX-i, endY-i);
break;
}
case Border3DSide.Top: {
pen.Dispose();
colorGrade=HBS2Color(hue, Math.Min(255, brightness+brightnessSteps*(width-i)), saturation);
pen=new Pen(colorGrade, 1);
graphics.DrawLine(pen, startX+i, startY+i, endX-i, endY+i);
break;
}
case Border3DSide.Bottom: {
pen.Dispose();
colorGrade=HBS2Color(hue, Math.Max(0, brightness-brightnessDownSteps*(width-i)), saturation);
pen=new Pen(colorGrade, 1);
graphics.DrawLine(pen, startX+i, startY-i, endX-i, endY-i);
break;
}
}
}
break;
}
case ButtonBorderStyle.Inset: {
Color colorGrade;
int hue, brightness, saturation;
int brightnessSteps;
int brightnessDownSteps;
Color2HBS(color, out hue, out brightness, out saturation);
brightnessDownSteps=brightness/width;
if (brightness>127) {
brightnessSteps=Math.Max(6, (160-brightness)/width);
} else {
brightnessSteps=(127-brightness)/width;
}
for (int i=0; i<width; i++) {
switch(side) {
case Border3DSide.Left: {
pen.Dispose();
colorGrade=HBS2Color(hue, Math.Max(0, brightness-brightnessDownSteps*(width-i)), saturation);
pen=new Pen(colorGrade, 1);
graphics.DrawLine(pen, startX+i, startY+i, endX+i, endY-i);
break;
}
case Border3DSide.Right: {
pen.Dispose();
colorGrade=HBS2Color(hue, Math.Min(255, brightness+brightnessSteps*(width-i)), saturation);
pen=new Pen(colorGrade, 1);
graphics.DrawLine(pen, startX-i, startY+i, endX-i, endY-i);
break;
}
case Border3DSide.Top: {
pen.Dispose();
colorGrade=HBS2Color(hue, Math.Max(0, brightness-brightnessDownSteps*(width-i)), saturation);
pen=new Pen(colorGrade, 1);
graphics.DrawLine(pen, startX+i, startY+i, endX-i, endY+i);
break;
}
case Border3DSide.Bottom: {
pen.Dispose();
colorGrade=HBS2Color(hue, Math.Min(255, brightness+brightnessSteps*(width-i)), saturation);
pen=new Pen(colorGrade, 1);
graphics.DrawLine(pen, startX+i, startY-i, endX-i, endY-i);
break;
}
}
}
break;
}
/*
I decided to have the for-loop duplicated for speed reasons;
that way we only have to switch once (as opposed to have the
for-loop around the switch)
*/
default: {
switch(side) {
case Border3DSide.Left: {
for (int i=0; i<width; i++) {
graphics.DrawLine(pen, startX+i, startY+i, endX+i, endY-i);
}
break;
}
case Border3DSide.Right: {
for (int i=0; i<width; i++) {
graphics.DrawLine(pen, startX-i, startY+i, endX-i, endY-i);
}
break;
}
case Border3DSide.Top: {
for (int i=0; i<width; i++) {
graphics.DrawLine(pen, startX+i, startY+i, endX-i, endY+i);
}
break;
}
case Border3DSide.Bottom: {
for (int i=0; i<width; i++) {
graphics.DrawLine(pen, startX+i, startY-i, endX-i, endY-i);
}
break;
}
}
break;
}
}
pen.Dispose();
}
public static void DrawBorder3D(Graphics graphics, Rectangle rectangle) {
DrawBorder3D(graphics, rectangle, Border3DStyle.Etched, Border3DSide.All);
}
public static void DrawBorder3D(Graphics graphics, Rectangle rectangle, Border3DStyle style) {
DrawBorder3D(graphics, rectangle, style, Border3DSide.All);
}
public static void DrawBorder3D(Graphics graphics, int x, int y, int width, int height) {
DrawBorder3D(graphics, new Rectangle(x, y, width, height), Border3DStyle.Etched, Border3DSide.All);
}
public static void DrawBorder3D(Graphics graphics, int x, int y, int width, int height, Border3DStyle style) {
DrawBorder3D(graphics, new Rectangle(x, y, width, height), style, Border3DSide.All);
}
public static void DrawBorder3D( Graphics graphics, int x, int y, int width, int height, Border3DStyle style,Border3DSide sides) {
DrawBorder3D( graphics, new Rectangle(x, y, width, height), style, sides);
}
public static void DrawBorder3D( Graphics graphics, Rectangle rectangle, Border3DStyle style, Border3DSide sides) {
Pen penTopLeft;
Pen penTopLeftInner;
Pen penBottomRight;
Pen penBottomRightInner;
Rectangle rect= new Rectangle(rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height);
bool doInner = false;
if ((style & Border3DStyle.Adjust)!=0) {
rect.Y-=2;
rect.X-=2;
rect.Width+=4;
rect.Height+=4;
}
/* default to flat */
penTopLeft=SystemPens.ControlDark;
penTopLeftInner=SystemPens.ControlDark;
penBottomRight=SystemPens.ControlDark;
penBottomRightInner=SystemPens.ControlDark;
if ((style & Border3DStyle.RaisedOuter)!=0) {
penTopLeft=SystemPens.ControlLightLight;
penBottomRight=SystemPens.ControlDarkDark;
if ((style & (Border3DStyle.RaisedInner | Border3DStyle.SunkenInner))!=0) {
doInner=true;
}
} else if ((style & Border3DStyle.SunkenOuter)!=0) {
penTopLeft=SystemPens.ControlDarkDark;
penBottomRight=SystemPens.ControlLightLight;
if ((style & (Border3DStyle.RaisedInner | Border3DStyle.SunkenInner))!=0) {
doInner=true;
}
}
if ((style & Border3DStyle.RaisedInner)!=0) {
if (doInner) {
penTopLeftInner=SystemPens.ControlLight;
penBottomRightInner=SystemPens.ControlDark;
} else {
penTopLeft=SystemPens.ControlLightLight;
penBottomRight=SystemPens.ControlDarkDark;
}
} else if ((style & Border3DStyle.SunkenInner)!=0) {
if (doInner) {
penTopLeftInner=SystemPens.ControlDark;
penBottomRightInner=SystemPens.ControlLight;
} else {
penTopLeft=SystemPens.ControlDarkDark;
penBottomRight=SystemPens.ControlLightLight;
}
}
if ((sides & Border3DSide.Middle)!=0) {
graphics.FillRectangle(SystemBrushes.Control, rect);
}
if ((sides & Border3DSide.Left)!=0) {
graphics.DrawLine(penTopLeft, rect.Left, rect.Bottom-1, rect.Left, rect.Top);
if (doInner) {
graphics.DrawLine(penTopLeftInner, rect.Left+1, rect.Bottom-1, rect.Left+1, rect.Top);
}
}
if ((sides & Border3DSide.Top)!=0) {
graphics.DrawLine(penTopLeft, rect.Left, rect.Top, rect.Right-1, rect.Top);
if (doInner) {
if ((sides & Border3DSide.Left)!=0) {
graphics.DrawLine(penTopLeftInner, rect.Left+1, rect.Top+1, rect.Right-1, rect.Top+1);
} else {
graphics.DrawLine(penTopLeftInner, rect.Left, rect.Top+1, rect.Right-1, rect.Top+1);
}
}
}
if ((sides & Border3DSide.Right)!=0) {
graphics.DrawLine(penBottomRight, rect.Right-1, rect.Top, rect.Right-1, rect.Bottom-1);
if (doInner) {
if ((sides & Border3DSide.Top)!=0) {
graphics.DrawLine(penBottomRightInner, rect.Right-2, rect.Top+1, rect.Right-2, rect.Bottom-1);
} else {
graphics.DrawLine(penBottomRightInner, rect.Right-2, rect.Top, rect.Right-2, rect.Bottom-1);
}
}
}
if ((sides & Border3DSide.Bottom)!=0) {
int left=rect.Left;
if ((sides & Border3DSide.Left)!=0) {
left+=1;
}
graphics.DrawLine(penBottomRight, rect.Left, rect.Bottom-1, rect.Right-1, rect.Bottom-1);
if (doInner) {
if ((sides & Border3DSide.Right)!=0) {
graphics.DrawLine(penBottomRightInner, left, rect.Bottom-2, rect.Right-2, rect.Bottom-2);
} else {
graphics.DrawLine(penBottomRightInner, left, rect.Bottom-2, rect.Right-1, rect.Bottom-2);
}
}
}
}
public static void DrawButton( Graphics graphics, int x, int y, int width, int height, ButtonState state) {
DrawButton(graphics, new Rectangle(x, y, width, height), state);
}
public static void DrawButton( Graphics graphics, Rectangle rectangle, ButtonState state) {
DrawFrameControlStates dfcs=DrawFrameControlStates.DFCS_BUTTONPUSH;
if ((state & ButtonState.Pushed)!=0) {
dfcs |= DrawFrameControlStates.DFCS_PUSHED;
}
if ((state & ButtonState.Checked)!=0) {
dfcs |= DrawFrameControlStates.DFCS_CHECKED;
}
if ((state & ButtonState.Flat)!=0) {
dfcs |= DrawFrameControlStates.DFCS_FLAT;
}
if ((state & ButtonState.Inactive)!=0) {
dfcs |= DrawFrameControlStates.DFCS_INACTIVE;
}
DrawFrameControl(graphics, rectangle, DrawFrameControlTypes.DFC_BUTTON, dfcs);
}
/*
This function literally draws the various caption elements.
This way we can scale them nicely, no matter what size, and they
still look like MS's scaled caption buttons. (as opposed to scaling a bitmap)
*/
private static void DrawCaptionHelper(Graphics graphics, Color color, Pen pen, int lineWidth, int shift, Rectangle captionRect, CaptionButton button) {
switch(button) {
case CaptionButton.Close: {
pen.StartCap=LineCap.Triangle;
pen.EndCap=LineCap.Triangle;
if (lineWidth<2) {
graphics.DrawLine(pen, captionRect.Left+2*lineWidth+1+shift, captionRect.Top+2*lineWidth+shift, captionRect.Right-2*lineWidth+1+shift, captionRect.Bottom-2*lineWidth+shift);
graphics.DrawLine(pen, captionRect.Right-2*lineWidth+1+shift, captionRect.Top+2*lineWidth+shift, captionRect.Left+2*lineWidth+1+shift, captionRect.Bottom-2*lineWidth+shift);
}
graphics.DrawLine(pen, captionRect.Left+2*lineWidth+shift, captionRect.Top+2*lineWidth+shift, captionRect.Right-2*lineWidth+shift, captionRect.Bottom-2*lineWidth+shift);
graphics.DrawLine(pen, captionRect.Right-2*lineWidth+shift, captionRect.Top+2*lineWidth+shift, captionRect.Left+2*lineWidth+shift, captionRect.Bottom-2*lineWidth+shift);
return;
}
case CaptionButton.Help: {
StringFormat sf = new StringFormat();
SolidBrush sb = new SolidBrush(color);
Font font = new Font("Microsoft Sans Serif", captionRect.Height, FontStyle.Bold, GraphicsUnit.Pixel);
sf.Alignment=StringAlignment.Center;
sf.LineAlignment=StringAlignment.Center;
graphics.DrawString("?", font, sb, captionRect.X+captionRect.Width/2+shift, captionRect.Y+captionRect.Height/2+shift+lineWidth/2, sf);
sf.Dispose();
sb.Dispose();
font.Dispose();
return;
}
case CaptionButton.Maximize: {
/* Top 'caption bar' line */
for (int i=0; i<Math.Max(2, lineWidth); i++) {
graphics.DrawLine(pen, captionRect.Left+lineWidth+shift, captionRect.Top+2*lineWidth+shift+i, captionRect.Right-lineWidth-lineWidth/2+shift, captionRect.Top+2*lineWidth+shift+i);
}
/* Left side line */
for (int i=0; i<Math.Max(1, lineWidth/2); i++) {
graphics.DrawLine(pen, captionRect.Left+lineWidth+shift+i, captionRect.Top+2*lineWidth+shift, captionRect.Left+lineWidth+shift+i, captionRect.Bottom-lineWidth+shift);
}
/* Right side line */
for (int i=0; i<Math.Max(1, lineWidth/2); i++) {
graphics.DrawLine(pen, captionRect.Right-lineWidth-lineWidth/2+shift+i, captionRect.Top+2*lineWidth+shift, captionRect.Right-lineWidth-lineWidth/2+shift+i, captionRect.Bottom-lineWidth+shift);
}
/* Bottom line */
for (int i=0; i<Math.Max(1, lineWidth/2); i++) {
graphics.DrawLine(pen, captionRect.Left+lineWidth+shift, captionRect.Bottom-lineWidth+shift-i, captionRect.Right-lineWidth-lineWidth/2+shift, captionRect.Bottom-lineWidth+shift-i);
}
return;
}
case CaptionButton.Minimize: {
/* Bottom line */
for (int i=0; i<Math.Max(2, lineWidth); i++) {
graphics.DrawLine(pen, captionRect.Left+lineWidth+shift, captionRect.Bottom-lineWidth+shift-i, captionRect.Right-3*lineWidth+shift, captionRect.Bottom-lineWidth+shift-i);
}
return;
}
case CaptionButton.Restore: {
/** First 'window' **/
/* Top 'caption bar' line */
for (int i=0; i<Math.Max(2, lineWidth); i++) {
graphics.DrawLine(pen, captionRect.Left+3*lineWidth+shift, captionRect.Top+2*lineWidth+shift-i, captionRect.Right-lineWidth-lineWidth/2+shift, captionRect.Top+2*lineWidth+shift-i);
}
/* Left side line */
for (int i=0; i<Math.Max(1, lineWidth/2); i++) {
graphics.DrawLine(pen, captionRect.Left+3*lineWidth+shift+i, captionRect.Top+2*lineWidth+shift, captionRect.Left+3*lineWidth+shift+i, captionRect.Top+4*lineWidth+shift);
}
/* Right side line */
for (int i=0; i<Math.Max(1, lineWidth/2); i++) {
graphics.DrawLine(pen, captionRect.Right-lineWidth-lineWidth/2+shift-i, captionRect.Top+2*lineWidth+shift, captionRect.Right-lineWidth-lineWidth/2+shift-i, captionRect.Top+5*lineWidth-lineWidth/2+shift);
}
/* Bottom line */
for (int i=0; i<Math.Max(1, lineWidth/2); i++) {
graphics.DrawLine(pen, captionRect.Right-3*lineWidth-lineWidth/2+shift, captionRect.Top+5*lineWidth-lineWidth/2+shift+1+i, captionRect.Right-lineWidth-lineWidth/2+shift, captionRect.Top+5*lineWidth-lineWidth/2+shift+1+i);
}
/** Second 'window' **/
/* Top 'caption bar' line */
for (int i=0; i<Math.Max(2, lineWidth); i++) {
graphics.DrawLine(pen, captionRect.Left+lineWidth+shift, captionRect.Top+4*lineWidth+shift+1-i, captionRect.Right-3*lineWidth-lineWidth/2+shift, captionRect.Top+4*lineWidth+shift+1-i);
}
/* Left side line */
for (int i=0; i<Math.Max(1, lineWidth/2); i++) {
graphics.DrawLine(pen, captionRect.Left+lineWidth+shift+i, captionRect.Top+4*lineWidth+shift+1, captionRect.Left+lineWidth+shift+i, captionRect.Bottom-lineWidth+shift);
}
/* Right side line */
for (int i=0; i<Math.Max(1, lineWidth/2); i++) {
graphics.DrawLine(pen, captionRect.Right-3*lineWidth-lineWidth/2+shift-i, captionRect.Top+4*lineWidth+shift+1, captionRect.Right-3*lineWidth-lineWidth/2+shift-i, captionRect.Bottom-lineWidth+shift);
}
/* Bottom line */
for (int i=0; i<Math.Max(1, lineWidth/2); i++) {
graphics.DrawLine(pen, captionRect.Left+lineWidth+shift, captionRect.Bottom-lineWidth+shift-i, captionRect.Right-3*lineWidth-lineWidth/2+shift, captionRect.Bottom-lineWidth+shift-i);
}
return;
}
}
}
public static void DrawCaptionButton(Graphics graphics, int x, int y, int width, int height, CaptionButton button, ButtonState state) {
DrawCaptionButton(graphics, new Rectangle(x, y, width, height), button, state);
}
public static void DrawCaptionButton(Graphics graphics, Rectangle rectangle, CaptionButton button, ButtonState state) {
Rectangle captionRect;
int lineWidth;
DrawButton(graphics, rectangle, state);
if (rectangle.Width<rectangle.Height) {
captionRect=new Rectangle(rectangle.X+1, rectangle.Y+rectangle.Height/2-rectangle.Width/2+1, rectangle.Width-4, rectangle.Width-4);
} else {
captionRect=new Rectangle(rectangle.X+rectangle.Width/2-rectangle.Height/2+1, rectangle.Y+1, rectangle.Height-4, rectangle.Height-4);
}
if ((state & ButtonState.Pushed)!=0) {
captionRect=new Rectangle(rectangle.X+2, rectangle.Y+2, rectangle.Width-3, rectangle.Height-3);
}
/* Make sure we've got at least a line width of 1 */
lineWidth=Math.Max(1, captionRect.Width/7);
switch(button) {
case CaptionButton.Close: {
Pen pen;
if ((state & ButtonState.Inactive)!=0) {
pen=new Pen(SystemColors.ControlLightLight, lineWidth);
DrawCaptionHelper(graphics, SystemColors.ControlLightLight, pen, lineWidth, 1, captionRect, button);
pen.Dispose();
pen=new Pen(SystemColors.ControlDark, lineWidth);
DrawCaptionHelper(graphics, SystemColors.ControlDark, pen, lineWidth, 0, captionRect, button);
pen.Dispose();
return;
} else {
pen=new Pen(SystemColors.ControlText, lineWidth);
DrawCaptionHelper(graphics, SystemColors.ControlText, pen, lineWidth, 0, captionRect, button);
pen.Dispose();
return;
}
}
case CaptionButton.Help:
case CaptionButton.Maximize:
case CaptionButton.Minimize:
case CaptionButton.Restore: {
if ((state & ButtonState.Inactive)!=0) {
DrawCaptionHelper(graphics, SystemColors.ControlLightLight, SystemPens.ControlLightLight, lineWidth, 1, captionRect, button);
DrawCaptionHelper(graphics, SystemColors.ControlDark, SystemPens.ControlDark, lineWidth, 0, captionRect, button);
return;
} else {
DrawCaptionHelper(graphics, SystemColors.ControlText, SystemPens.ControlText, lineWidth, 0, captionRect, button);
return;
}
}
}
}
public static void DrawCheckBox(Graphics graphics, int x, int y, int width, int height, ButtonState state) {
DrawCheckBox(graphics, new Rectangle(x, y, width, height), state);
}
public static void DrawCheckBox(Graphics graphics, Rectangle rectangle, ButtonState state) {
DrawFrameControlStates dfcs=DrawFrameControlStates.DFCS_BUTTONCHECK;
if ((state & ButtonState.Pushed)!=0) {
dfcs |= DrawFrameControlStates.DFCS_PUSHED;
}
if ((state & ButtonState.Checked)!=0) {
dfcs |= DrawFrameControlStates.DFCS_CHECKED;
}
if ((state & ButtonState.Flat)!=0) {
dfcs |= DrawFrameControlStates.DFCS_FLAT;
}
if ((state & ButtonState.Inactive)!=0) {
dfcs |= DrawFrameControlStates.DFCS_INACTIVE;
}
if ((state & ButtonState.ThreeState)!=0) {
dfcs |= DrawFrameControlStates.DFCS_CHECKED | DrawFrameControlStates.DFCS_PUSHED;
}
DrawFrameControl(graphics, rectangle, DrawFrameControlTypes.DFC_BUTTON, dfcs);
}
public static void DrawComboButton(Graphics graphics, Rectangle rectangle, ButtonState state) {
Point[] arrow = new Point[3];
Point P1;
Point P2;
Point P3;
int centerX;
int centerY;
int shiftX;
int shiftY;
Rectangle rect;
if ((state & ButtonState.Checked)!=0) {
HatchBrush hatchBrush=new HatchBrush(HatchStyle.Percent50, SystemColors.ControlLight, SystemColors.ControlLightLight);
graphics.FillRectangle(hatchBrush,rectangle);
hatchBrush.Dispose();
}
if ((state & ButtonState.Flat)!=0) {
DrawBorder(graphics, rectangle, SystemColors.ControlDark, ButtonBorderStyle.Solid);
} else {
if ((state & (ButtonState.Pushed | ButtonState.Checked))!=0) {
DrawBorder3D(graphics, rectangle, Border3DStyle.Sunken, Border3DSide.Left | Border3DSide.Top | Border3DSide.Right | Border3DSide.Bottom);
} else {
DrawBorder3D(graphics, rectangle, Border3DStyle.Raised, Border3DSide.Left | Border3DSide.Top | Border3DSide.Right | Border3DSide.Bottom);
}
}
rect=new Rectangle(rectangle.X+rectangle.Width/4, rectangle.Y+rectangle.Height/4, rectangle.Width/2, rectangle.Height/2);
centerX=rect.Left+rect.Width/2;
centerY=rect.Top+rect.Height/2;
shiftX=Math.Max(1, rect.Width/8);
shiftY=Math.Max(1, rect.Height/8);
if ((state & ButtonState.Pushed)!=0) {
shiftX++;
shiftY++;
}
rect.Y-=shiftY;
centerY-=shiftY;
P1=new Point(rect.Left, centerY);
P2=new Point(rect.Right, centerY);
P3=new Point(centerX, rect.Bottom);
arrow[0]=P1;
arrow[1]=P2;
arrow[2]=P3;
/* Draw the arrow */
if ((state & ButtonState.Inactive)!=0) {
graphics.FillPolygon(SystemBrushes.ControlLightLight, arrow, FillMode.Winding);
/* Move away from the shadow */
P1.X-=1; P1.Y-=1;
P2.X-=1; P2.Y-=1;
P3.X-=1; P3.Y-=1;
arrow[0]=P1;
arrow[1]=P2;
arrow[2]=P3;
graphics.FillPolygon(SystemBrushes.ControlDark, arrow, FillMode.Winding);
} else {
graphics.FillPolygon(SystemBrushes.ControlText, arrow, FillMode.Winding);
}
}
public static void DrawComboButton(Graphics graphics, int x, int y, int width, int height, ButtonState state) {
DrawComboButton(graphics, new Rectangle(x, y, width, height), state);
}
public static void DrawContainerGrabHandle(Graphics graphics, Rectangle bounds) {
SolidBrush sb = new SolidBrush(Color.White);
Pen pen = new Pen(Color.Black, 1);
Rectangle rect = new Rectangle(bounds.X, bounds.Y, bounds.Width-1, bounds.Height-1); // Dunno why, but MS does it that way, too
int X;
int Y;
graphics.FillRectangle(sb, rect);
graphics.DrawRectangle(pen, rect);
X=rect.X+rect.Width/2;
Y=rect.Y+rect.Height/2;
/* Draw the cross */
graphics.DrawLine(pen, X, rect.Y+2, X, rect.Bottom-2);
graphics.DrawLine(pen, rect.X+2, Y, rect.Right-2, Y);
/* Draw 'arrows' for vertical lines */
graphics.DrawLine(pen, X-1, rect.Y+3, X+1, rect.Y+3);
graphics.DrawLine(pen, X-1, rect.Bottom-3, X+1, rect.Bottom-3);
/* Draw 'arrows' for horizontal lines */
graphics.DrawLine(pen, rect.X+3, Y-1, rect.X+3, Y+1);
graphics.DrawLine(pen, rect.Right-3, Y-1, rect.Right-3, Y+1);
}
public static void DrawFocusRectangle( Graphics graphics, Rectangle rectangle) {
DrawFocusRectangle(graphics, rectangle, Color.White, Color.Black);
}
public static void DrawFocusRectangle( Graphics graphics, Rectangle rectangle, Color foreColor, Color backColor) {
//Color colorForeInverted;
Color colorBackInverted;
Pen pen;
//colorForeInverted=Color.FromArgb(Math.Abs(foreColor.R-255), Math.Abs(foreColor.G-255), Math.Abs(foreColor.B-255));
//pen=new Pen(colorForeInverted, 1);
// MS seems to always use black
pen=new Pen(Color.Black, 1);
graphics.DrawRectangle(pen, rectangle);
pen.Dispose();
colorBackInverted=Color.FromArgb(Math.Abs(backColor.R-255), Math.Abs(backColor.G-255), Math.Abs(backColor.B-255));
pen=new Pen(colorBackInverted, 1);
pen.DashStyle=DashStyle.Dot;
graphics.DrawRectangle(pen, rectangle);
pen.Dispose();
}
public static void DrawGrabHandle(Graphics graphics, Rectangle rectangle, bool primary, bool enabled) {
SolidBrush sb;
Pen pen;
if (primary==true) {
pen=new Pen(Color.Black, 1);
if (enabled==true) {
sb=new SolidBrush(Color.White);
} else {
sb=new SolidBrush(SystemColors.Control);
}
} else {
pen=new Pen(Color.White, 1);
if (enabled==true) {
sb=new SolidBrush(Color.Black);
} else {
sb=new SolidBrush(SystemColors.Control);
}
}
graphics.FillRectangle(sb, rectangle);
graphics.DrawRectangle(pen, rectangle);
sb.Dispose();
pen.Dispose();
}
public static void DrawGrid(Graphics graphics, Rectangle area, Size pixelsBetweenDots, Color backColor) {
Color foreColor;
int h;
int b;
int s;
Color2HBS(backColor, out h, out b, out s);
if (b>127) {
foreColor=Color.Black;
} else {
foreColor=Color.White;
}
#if false
/* Commented out until I take the time and figure out
which HatchStyle will match requirements. The code below
is only correct for Percent50.
*/
if (pixelsBetweenDots.Width==pixelsBetweenDots.Height) {
HatchBrush brush=null;
switch(pixelsBetweenDots.Width) {
case 2: brush=new HatchBrush(HatchStyle.Percent50, foreColor, backColor); break;
case 4: brush=new HatchBrush(HatchStyle.Percent25, foreColor, backColor); break;
case 5: brush=new HatchBrush(HatchStyle.Percent20, foreColor, backColor); break;
default: {
/* Have to do it the slow way */
break;
}
}
if (brush!=null) {
graphics.FillRectangle(brush, area);
pen.Dispose();
brush.Dispose();
return;
}
}
#endif
/* Slow method */
Bitmap bitmap = new Bitmap(area.Width, area.Height, graphics);
for (int x=0; x<area.Width; x+=pixelsBetweenDots.Width) {
for (int y=0; y<area.Height; y+=pixelsBetweenDots.Height) {
bitmap.SetPixel(x, y, foreColor);
}
}
graphics.DrawImage(bitmap, area.X, area.Y, area.Width, area.Height);
bitmap.Dispose();
}
public static void DrawImageDisabled(Graphics graphics, Image image, int x, int y, Color background) {
/*
Microsoft seems to ignore the background and simply make
the image grayscale. At least when having > 256 colors on
the display.
*/
ImageAttributes imageAttributes=new ImageAttributes();
ColorMatrix colorMatrix=new ColorMatrix(new float[][] {
// This table would create a perfect grayscale image, based on luminance
// new float[]{0.3f,0.3f,0.3f,0,0},
// new float[]{0.59f,0.59f,0.59f,0,0},
// new float[]{0.11f,0.11f,0.11f,0,0},
// new float[]{0,0,0,1,0,0},
// new float[]{0,0,0,0,1,0},
// new float[]{0,0,0,0,0,1}
// This table generates a image that is grayscaled and then
// brightened up. Seems to match MS close enough.
new float[]{0.2f,0.2f,0.2f,0,0},
new float[]{0.41f,0.41f,0.41f,0,0},
new float[]{0.11f,0.11f,0.11f,0,0},
new float[]{0.15f,0.15f,0.15f,1,0,0},
new float[]{0.15f,0.15f,0.15f,0,1,0},
new float[]{0.15f,0.15f,0.15f,0,0,1}
});
imageAttributes.SetColorMatrix(colorMatrix);
graphics.DrawImage(image, new Rectangle(x, y, image.Width, image.Height), 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, imageAttributes);
imageAttributes.Dispose();
}
public static void DrawLockedFrame(Graphics graphics, Rectangle rectangle, bool primary) {
Pen penBorder;
Pen penInside;
if (primary) {
penBorder=new Pen(Color.White, 2);
penInside=new Pen(Color.Black, 1);
} else {
penBorder=new Pen(Color.Black, 2);
penInside=new Pen(Color.White, 1);
}
penBorder.Alignment=PenAlignment.Inset;
penInside.Alignment=PenAlignment.Inset;
graphics.DrawRectangle(penBorder, rectangle);
graphics.DrawRectangle(penInside, rectangle.X+2, rectangle.Y+2, rectangle.Width-5, rectangle.Height-5);
penBorder.Dispose();
penInside.Dispose();
}
public static void DrawMenuGlyph(Graphics graphics, Rectangle rectangle, MenuGlyph glyph) {
Rectangle rect;
int lineWidth;
// MS seems to draw the background white
graphics.FillRectangle(new SolidBrush(Color.White), rectangle);
switch(glyph) {
case MenuGlyph.Arrow: {
Point[] arrow = new Point[3];
Point P1;
Point P2;
Point P3;
int centerX;
int centerY;
int shiftX;
int shiftY;
rect=new Rectangle(rectangle.X+rectangle.Width/4, rectangle.Y+rectangle.Height/4, rectangle.Width/2, rectangle.Height/2);
centerX=rect.Left+rect.Width/2;
centerY=rect.Top+rect.Height/2;
shiftX=Math.Max(1, rect.Width/8);
shiftY=Math.Max(1, rect.Height/8);
rect.X-=shiftX;
centerX-=shiftX;
P1=new Point(centerX, rect.Top-1);
P2=new Point(centerX, rect.Bottom);
P3=new Point(rect.Right, centerY);
arrow[0]=P1;
arrow[1]=P2;
arrow[2]=P3;
graphics.FillPolygon(SystemBrushes.ControlText, arrow, FillMode.Winding);
return;
}
case MenuGlyph.Bullet: {
SolidBrush sb;
lineWidth=Math.Max(2, rectangle.Width/3);
rect=new Rectangle(rectangle.X+lineWidth, rectangle.Y+lineWidth, rectangle.Width-lineWidth*2, rectangle.Height-lineWidth*2);
sb=new SolidBrush(SystemColors.MenuText);
graphics.FillEllipse(sb, rect);
sb.Dispose();
return;
}
case MenuGlyph.Checkmark: {
int Scale;
lineWidth=Math.Max(2, rectangle.Width/6);
Scale=Math.Max(1, rectangle.Width/12);
rect=new Rectangle(rectangle.X+lineWidth, rectangle.Y+lineWidth, rectangle.Width-lineWidth*2, rectangle.Height-lineWidth*2);
for (int i=0; i<lineWidth; i++) {
graphics.DrawLine(SystemPens.MenuText, rect.Left+lineWidth/2, rect.Top+lineWidth+i, rect.Left+lineWidth/2+2*Scale, rect.Top+lineWidth+2*Scale+i);
graphics.DrawLine(SystemPens.MenuText, rect.Left+lineWidth/2+2*Scale, rect.Top+lineWidth+2*Scale+i, rect.Left+lineWidth/2+6*Scale, rect.Top+lineWidth-2*Scale+i);
}
return;
}
}
}
public static void DrawMenuGlyph(Graphics graphics, int x, int y, int width, int height, MenuGlyph glyph) {
DrawMenuGlyph(graphics, new Rectangle(x, y, width, height), glyph);
}
public static void DrawMixedCheckBox(Graphics graphics, Rectangle rectangle, ButtonState state) {
DrawCheckBox(graphics, rectangle, state);
}
public static void DrawMixedCheckBox(Graphics graphics, int x, int y, int width, int height, ButtonState state) {
DrawMixedCheckBox(graphics, new Rectangle(x, y, width, height), state);
}
internal static void DrawFrameControl(Graphics graphics, Rectangle rectangle, DrawFrameControlTypes Type, DrawFrameControlStates State) {
switch(Type) {
case DrawFrameControlTypes.DFC_BUTTON: {
if ((State & DrawFrameControlStates.DFCS_BUTTONPUSH)!=0) {
/* Goes first, affects the background */
if ((State & DrawFrameControlStates.DFCS_CHECKED)!=0) {
HatchBrush hatchBrush=new HatchBrush(HatchStyle.Percent50, SystemColors.ControlLight, SystemColors.ControlLightLight);
graphics.FillRectangle(hatchBrush,rectangle);
hatchBrush.Dispose();
}
if ((State & DrawFrameControlStates.DFCS_PUSHED)!=0) {
DrawBorder3D(graphics, rectangle, Border3DStyle.Sunken, Border3DSide.Left | Border3DSide.Top | Border3DSide.Right | Border3DSide.Bottom);
} else if ((State & DrawFrameControlStates.DFCS_FLAT)!=0) {
DrawBorder(graphics, rectangle, SystemColors.ControlDark, ButtonBorderStyle.Solid);
} else if ((State & DrawFrameControlStates.DFCS_INACTIVE)!=0) {
/* Same as normal, it would seem */
DrawBorder3D(graphics, rectangle, Border3DStyle.Raised, Border3DSide.Left | Border3DSide.Top | Border3DSide.Right | Border3DSide.Bottom);
} else {
DrawBorder3D(graphics, rectangle, Border3DStyle.Raised, Border3DSide.Left | Border3DSide.Top | Border3DSide.Right | Border3DSide.Bottom);
}
} else if ((State & DrawFrameControlStates.DFCS_BUTTONRADIO)!=0) {
Pen penFatDark = new Pen(SystemColors.ControlDarkDark, 2);
Pen penFatLight = new Pen(SystemColors.ControlLight, 2);
int lineWidth;
graphics.DrawArc(penFatDark, rectangle.X+1, rectangle.Y+1, rectangle.Width-2, rectangle.Height-2, 135, 180);
graphics.DrawArc(penFatLight, rectangle.X+1, rectangle.Y+1, rectangle.Width-2, rectangle.Height-2, 315, 180);
graphics.DrawArc(SystemPens.ControlDark, rectangle, 135, 180);
graphics.DrawArc(SystemPens.ControlLightLight, rectangle, 315, 180);
lineWidth=Math.Max(1, Math.Min(rectangle.Width, rectangle.Height)/3);
if ((State & DrawFrameControlStates.DFCS_CHECKED)!=0) {
SolidBrush buttonBrush;
if ((State & DrawFrameControlStates.DFCS_INACTIVE)!=0) {
buttonBrush=(SolidBrush)SystemBrushes.ControlDark;
} else {
buttonBrush=(SolidBrush)SystemBrushes.ControlText;
}
graphics.FillPie(buttonBrush, rectangle.X+lineWidth, rectangle.Y+lineWidth, rectangle.Width-lineWidth*2, rectangle.Height-lineWidth*2, 0, 359);
}
penFatDark.Dispose();
penFatLight.Dispose();
} else if ((State & DrawFrameControlStates.DFCS_BUTTONRADIOIMAGE)!=0) {
throw new NotImplementedException () ;
} else if ((State & DrawFrameControlStates.DFCS_BUTTONRADIOMASK)!=0) {
throw new NotImplementedException ();
} else { /* Must be Checkbox */
Pen pen;
int lineWidth;
Rectangle rect;
int Scale;
/* FIXME: I'm sure there's an easier way to calculate all this, but it should do for now */
/* Goes first, affects the background */
if ((State & DrawFrameControlStates.DFCS_PUSHED)!=0) {
HatchBrush hatchBrush=new HatchBrush(HatchStyle.Percent50, SystemColors.ControlLight, SystemColors.ControlLightLight);
graphics.FillRectangle(hatchBrush,rectangle);
hatchBrush.Dispose();
}
/* Draw the sunken frame */
if ((State & DrawFrameControlStates.DFCS_FLAT)!=0) {
DrawBorder(graphics, rectangle, SystemColors.ControlDark, ButtonBorderStyle.Solid);
} else {
DrawBorder3D(graphics, rectangle, Border3DStyle.Sunken, Border3DSide.Left | Border3DSide.Top | Border3DSide.Right | Border3DSide.Bottom);
}
/* Make sure we've got at least a line width of 1 */
lineWidth=Math.Max(3, rectangle.Width/6);
Scale=Math.Max(1, rectangle.Width/12);
rect=new Rectangle(rectangle.X+lineWidth, rectangle.Y+lineWidth, rectangle.Width-lineWidth*2, rectangle.Height-lineWidth*2);
if ((State & DrawFrameControlStates.DFCS_INACTIVE)!=0) {
pen=SystemPens.ControlDark;
} else {
pen=SystemPens.ControlText;
}
if ((State & DrawFrameControlStates.DFCS_CHECKED)!=0) {
/* Need to draw a check-mark */
for (int i=0; i<lineWidth; i++) {
graphics.DrawLine(pen, rect.Left+lineWidth/2, rect.Top+lineWidth+i, rect.Left+lineWidth/2+2*Scale, rect.Top+lineWidth+2*Scale+i);
graphics.DrawLine(pen, rect.Left+lineWidth/2+2*Scale, rect.Top+lineWidth+2*Scale+i, rect.Left+lineWidth/2+6*Scale, rect.Top+lineWidth-2*Scale+i);
}
}
}
return;
}
case DrawFrameControlTypes.DFC_CAPTION: {
break;
}
case DrawFrameControlTypes.DFC_MENU: {
break;
}
case DrawFrameControlTypes.DFC_SCROLL: {
break;
}
}
}
public static void DrawRadioButton(Graphics graphics, int x, int y, int width, int height, ButtonState state) {
DrawRadioButton(graphics, new Rectangle(x, y, width, height), state);
}
public static void DrawRadioButton(Graphics graphics, Rectangle rectangle, ButtonState state) {
DrawFrameControlStates dfcs=DrawFrameControlStates.DFCS_BUTTONRADIO;
if ((state & ButtonState.Pushed)!=0) {
dfcs |= DrawFrameControlStates.DFCS_PUSHED;
}
if ((state & ButtonState.Checked)!=0) {
dfcs |= DrawFrameControlStates.DFCS_CHECKED;
}
if ((state & ButtonState.Flat)!=0) {
dfcs |= DrawFrameControlStates.DFCS_FLAT;
}
if ((state & ButtonState.Inactive)!=0) {
dfcs |= DrawFrameControlStates.DFCS_INACTIVE;
}
DrawFrameControl(graphics, rectangle, DrawFrameControlTypes.DFC_BUTTON, dfcs);
}
[MonoTODO]
public static void DrawReversibleFrame(Rectangle rectangle, Color backColor, FrameStyle style) {
//FIXME:
}
[MonoTODO]
public static void DrawReversibleLine(Point start, Point end, Color backColor) {
//FIXME:
}
[MonoTODO]
public static void FillReversibleRectangle(Rectangle rectangle, Color backColor) {
//FIXME:
}
public static void DrawScrollButton(Graphics graphics, Rectangle rectangle, ScrollButton button, ButtonState state) {
Point[] arrow = new Point[3];
Point P1;
Point P2;
Point P3;
int centerX;
int centerY;
int shiftX;
int shiftY;
Rectangle rect;
if ((state & ButtonState.Checked)!=0) {
HatchBrush hatchBrush=new HatchBrush(HatchStyle.Percent50, SystemColors.ControlLight, SystemColors.ControlLightLight);
graphics.FillRectangle(hatchBrush,rectangle);
hatchBrush.Dispose();
}
if ((state & ButtonState.Flat)!=0) {
DrawBorder(graphics, rectangle, SystemColors.ControlDark, ButtonBorderStyle.Solid);
} else {
DrawBorder3D(graphics, rectangle, Border3DStyle.Raised, Border3DSide.Left | Border3DSide.Top | Border3DSide.Right | Border3DSide.Bottom);
}
rect=new Rectangle(rectangle.X+rectangle.Width/4, rectangle.Y+rectangle.Height/4, rectangle.Width/2, rectangle.Height/2);
centerX=rect.Left+rect.Width/2;
centerY=rect.Top+rect.Height/2;
shiftX=Math.Max(1, rect.Width/8);
shiftY=Math.Max(1, rect.Height/8);
if ((state & ButtonState.Pushed)!=0) {
shiftX++;
shiftY++;
}
switch(button) {
default:
case ScrollButton.Down: {
rect.Y-=shiftY;
centerY-=shiftY;
P1=new Point(rect.Left, centerY);
P2=new Point(rect.Right, centerY);
P3=new Point(centerX, rect.Bottom);
break;
}
case ScrollButton.Up: {
rect.Y+=shiftY;
centerY+=shiftY;
P1=new Point(rect.Left, centerY);
P2=new Point(rect.Right, centerY);
P3=new Point(centerX, rect.Top-1);
break;
}
case ScrollButton.Left: {
rect.X+=shiftX;
centerX+=shiftX;
P1=new Point(centerX, rect.Top-1);
P2=new Point(centerX, rect.Bottom);
P3=new Point(rect.Left, centerY);
break;
}
case ScrollButton.Right: {
rect.X-=shiftX;
centerX-=shiftX;
P1=new Point(centerX, rect.Top-1);
P2=new Point(centerX, rect.Bottom);
P3=new Point(rect.Right, centerY);
break;
}
}
arrow[0]=P1;
arrow[1]=P2;
arrow[2]=P3;
/* Draw the arrow */
if ((state & ButtonState.Inactive)!=0) {
graphics.FillPolygon(SystemBrushes.ControlLightLight, arrow, FillMode.Winding);
/* Move away from the shadow */
P1.X-=1; P1.Y-=1;
P2.X-=1; P2.Y-=1;
P3.X-=1; P3.Y-=1;
arrow[0]=P1;
arrow[1]=P2;
arrow[2]=P3;
graphics.FillPolygon(SystemBrushes.ControlDark, arrow, FillMode.Winding);
} else {
graphics.FillPolygon(SystemBrushes.ControlText, arrow, FillMode.Winding);
}
}
public static void DrawScrollButton(Graphics graphics, int x, int y, int width, int height, ScrollButton button, ButtonState state) {
DrawScrollButton(graphics, new Rectangle(x, y, width, height), button, state);
}
public static void DrawSelectionFrame(Graphics graphics, bool active, Rectangle outsideRect, Rectangle insideRect, Color backColor) {
int h;
int b;
int s;
Color foreColor;
HatchBrush brush;
Color transparent;
GraphicsContainer container;
Color2HBS(backColor, out h, out b, out s);
if (b>127) {
foreColor=SystemColors.ControlDark;
} else {
foreColor=SystemColors.ControlLight;
}
transparent=Color.FromArgb(0, backColor);
if (active==true) {
brush=new HatchBrush(HatchStyle.LightUpwardDiagonal, foreColor, transparent);
} else {
brush=new HatchBrush(HatchStyle.Percent25, foreColor, transparent);
}
container=graphics.BeginContainer();
graphics.ExcludeClip(insideRect);
graphics.FillRectangle(brush, outsideRect);
graphics.EndContainer(container);
brush.Dispose();
}
public static void DrawSizeGrip(Graphics graphics, Color backColor, Rectangle bounds) {
int h;
int b;
int s;
Pen pen1;
Pen pen2;
Color2HBS(backColor, out h, out b, out s);
pen1=new Pen(HBS2Color(h, Math.Min(255, (b*166)/100), s), 1);
pen2=new Pen(HBS2Color(h, (b*33)/100, s), 1);
for (int i=0; i<bounds.Width; i+=4) {
graphics.DrawLine(pen1, bounds.Left+i, bounds.Bottom, bounds.Right, bounds.Top+i);
graphics.DrawLine(pen2, bounds.Left+i+1, bounds.Bottom, bounds.Right, bounds.Top+i+1);
graphics.DrawLine(pen2, bounds.Left+i+2, bounds.Bottom, bounds.Right, bounds.Top+i+2);
}
pen1.Dispose();
pen2.Dispose();
}
public static void DrawSizeGrip(Graphics graphics, Color backColor, int x, int y, int width, int height) {
DrawSizeGrip(graphics, backColor, new Rectangle(x, y, width, height));
}
public static void DrawStringDisabled(Graphics graphics, string s, Font font, Color color, RectangleF layoutRectangle, StringFormat format) {
SolidBrush brush;
brush=new SolidBrush(ControlPaint.Light(color, 25));
layoutRectangle.Offset(1.0f, 1.0f);
graphics.DrawString(s, font, brush, layoutRectangle, format);
brush.Color=ControlPaint.Dark(color, 35);
layoutRectangle.Offset(-1.0f, -1.0f);
graphics.DrawString(s, font, brush, layoutRectangle, format);
brush.Dispose();
}
#endregion
}
}
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