/// <summary>
/// Draws glowing text in the specified bounding rectangle with the option of overriding text color and applying other text formatting.
/// </summary>
/// <param name="rnd">The <see cref="VisualStyleRenderer" /> instance.</param>
/// <param name="dc">The <see cref="IDeviceContext" /> used to draw the text.</param>
/// <param name="bounds">A <see cref="Rectangle" /> in which the text is drawn.</param>
/// <param name="text">The text to draw.</param>
/// <param name="font">Optional font override.</param>
/// <param name="color">Optionally, the color to draw text in overriding the default color for the theme.</param>
/// <param name="flags">A bitwise combination of the <see cref="TextFormatFlags" /> values.</param>
/// <param name="glowSize">The size of the glow.</param>
public static void DrawGlowingText(this VisualStyleRenderer rnd, IDeviceContext dc, Rectangle bounds, string text, Font font, Color?color, TextFormatFlags flags = TextFormatFlags.Default, int glowSize = 10)
{
var ht = new SafeThemeHandle(rnd.Handle, false);
DrawWrapper(dc, bounds,
memoryHdc =>
{
// Create and select font
using (new SafeDCObjectHandle(memoryHdc, font?.ToHfont() ?? IntPtr.Zero))
{
// Draw glowing text
var dttOpts = new DrawThemeTextOptions(null)
{
GlowSize = glowSize, AntiAliasedAlpha = true
};
if (color != null)
{
dttOpts.TextColor = color.Value;
}
var textBounds = new RECT(4, 0, bounds.Right - bounds.Left, bounds.Bottom - bounds.Top);
DrawThemeTextEx(ht, memoryHdc, rnd.Part, rnd.State, text, text.Length, FromTFF(flags), ref textBounds, ref dttOpts);
}
}
);
}
public static void DrawGlowingText(this VisualStyleRenderer rnd, IDeviceContext dc, Rectangle bounds, string text, Font font, Color color, System.Windows.Forms.TextFormatFlags flags)
{
DrawWrapper(rnd, dc, bounds,
delegate(IntPtr memoryHdc) {
// Create and select font
using (SafeDCObjectHandle fontHandle = new SafeDCObjectHandle(memoryHdc, font.ToHfont()))
{
// Draw glowing text
DrawThemeTextOptions dttOpts = new DrawThemeTextOptions(true);
dttOpts.TextColor = color;
dttOpts.GlowSize = 10;
dttOpts.AntiAliasedAlpha = true;
RECT textBounds = new RECT(4, 0, bounds.Right - bounds.Left, bounds.Bottom - bounds.Top);
DrawThemeTextEx(rnd.Handle, memoryHdc, rnd.Part, rnd.State, text, text.Length, (int)flags, ref textBounds, ref dttOpts);
}
}
);
}
public static extern int DrawThemeTextEx(SafeThemeHandle hTheme, SafeDCHandle hdc, int iPartId, int iStateId, string text, int iCharCount, TextFormatFlags dwFlags, ref RECT pRect, ref DrawThemeTextOptions pOptions);
/// <summary>
/// Draws text in the specified bounding rectangle with the option of applying other text formatting.
/// </summary>
/// <param name="rnd">The <see cref="VisualStyleRenderer" /> instance.</param>
/// <param name="dc">The <see cref="IDeviceContext" /> used to draw the text.</param>
/// <param name="bounds">A <see cref="Rectangle" /> in which the text is drawn.</param>
/// <param name="text">The text to draw.</param>
/// <param name="flags">A bitwise combination of the <see cref="TextFormatFlags"/> values.</param>
/// <param name="options">The <see cref="DrawThemeTextOptions"/> .</param>
public static void DrawText(this VisualStyleRenderer rnd, IDeviceContext dc, ref Rectangle bounds, string text, TextFormatFlags flags, ref DrawThemeTextOptions options)
{
var rc = new RECT(bounds);
using (var hdc = new SafeDCHandle(dc))
DrawThemeTextEx(rnd, hdc, rnd.Part, rnd.State, text, text.Length, flags, ref rc, ref options);
bounds = rc;
}
public static extern int DrawThemeTextEx(IntPtr hTheme, IntPtr hdc, int iPartId, int iStateId, string text, int iCharCount, int dwFlags, ref NativeMethods.RECT pRect, ref DrawThemeTextOptions pOptions);
public static extern void DrawThemeTextEx(IntPtr hTheme, IntPtr hdc, int iPartId, int iStateId, string text, int iCharCount, int dwFlags, ref NativeMethods.RECT pRect, ref DrawThemeTextOptions pOptions);
/*public static void DrawGlowingText(this VisualStyleRenderer rnd, IDeviceContext dc, Rectangle bounds, string text, Font font, Color color, System.Windows.Forms.TextFormatFlags flags)
{
using (SafeGDIHandle primaryHdc = new SafeGDIHandle(dc))
{
// Create a memory DC so we can work offscreen
using (SafeCompatibleDCHandle memoryHdc = new SafeCompatibleDCHandle(primaryHdc))
{
// Create a device-independent bitmap and select it into our DC
BITMAPINFO info = new BITMAPINFO(bounds.Width, -bounds.Height);
using (SafeDCObjectHandle dib = new SafeDCObjectHandle(memoryHdc, GDI.CreateDIBSection(primaryHdc, ref info, 0, 0, IntPtr.Zero, 0)))
{
// Create and select font
using (SafeDCObjectHandle fontHandle = new SafeDCObjectHandle(memoryHdc, font.ToHfont()))
{
// Draw glowing text
DrawThemeTextOptions dttOpts = new DrawThemeTextOptions(true);
dttOpts.TextColor = color;
dttOpts.GlowSize = 10;
dttOpts.AntiAliasedAlpha = true;
RECT textBounds = new RECT(4, 0, bounds.Right - bounds.Left, bounds.Bottom - bounds.Top);
DrawThemeTextEx(rnd.Handle, memoryHdc, rnd.Part, rnd.State, text, text.Length, (int)flags, ref textBounds, ref dttOpts);
// Copy to foreground
const int SRCCOPY = 0x00CC0020;
GDI.BitBlt(primaryHdc, bounds.Left, bounds.Top, bounds.Width, bounds.Height, memoryHdc, 0, 0, SRCCOPY);
}
}
}
}
}*/
public static void DrawText(this VisualStyleRenderer rnd, IDeviceContext dc, ref Rectangle bounds, string text, System.Windows.Forms.TextFormatFlags flags, DrawThemeTextOptions options)
{
RECT rc = new RECT(bounds);
using (SafeGDIHandle hdc = new SafeGDIHandle(dc))
DrawThemeTextEx(rnd.Handle, hdc, rnd.Part, rnd.State, text, text.Length, (int)flags, ref rc, ref options);
bounds = rc.ToRectangle();
}
public static void DrawGlowingText(this VisualStyleRenderer rnd, IDeviceContext dc, Rectangle bounds, string text, Font font, Color color, System.Windows.Forms.TextFormatFlags flags)
{
DrawWrapper(rnd, dc, bounds,
delegate(IntPtr memoryHdc) {
// Create and select font
using (SafeDCObjectHandle fontHandle = new SafeDCObjectHandle(memoryHdc, font.ToHfont()))
{
// Draw glowing text
DrawThemeTextOptions dttOpts = new DrawThemeTextOptions(true);
dttOpts.TextColor = color;
dttOpts.GlowSize = 10;
dttOpts.AntiAliasedAlpha = true;
RECT textBounds = new RECT(4, 0, bounds.Right - bounds.Left, bounds.Bottom - bounds.Top);
DrawThemeTextEx(rnd.Handle, memoryHdc, rnd.Part, rnd.State, text, text.Length, (int)flags, ref textBounds, ref dttOpts);
}
}
);
}
static extern int DrawThemeTextEx(IntPtr hTheme, IntPtr hdc, int iPartId, int iStateId, string text, int iCharCount, int dwFlags, ref RECT pRect, ref DrawThemeTextOptions pOptions);
/*public static void DrawGlowingText(this VisualStyleRenderer rnd, IDeviceContext dc, Rectangle bounds, string text, Font font, Color color, System.Windows.Forms.TextFormatFlags flags)
* {
* using (SafeGDIHandle primaryHdc = new SafeGDIHandle(dc))
* {
* // Create a memory DC so we can work offscreen
* using (SafeCompatibleDCHandle memoryHdc = new SafeCompatibleDCHandle(primaryHdc))
* {
* // Create a device-independent bitmap and select it into our DC
* BITMAPINFO info = new BITMAPINFO(bounds.Width, -bounds.Height);
* using (SafeDCObjectHandle dib = new SafeDCObjectHandle(memoryHdc, GDI.CreateDIBSection(primaryHdc, ref info, 0, 0, IntPtr.Zero, 0)))
* {
* // Create and select font
* using (SafeDCObjectHandle fontHandle = new SafeDCObjectHandle(memoryHdc, font.ToHfont()))
* {
* // Draw glowing text
* DrawThemeTextOptions dttOpts = new DrawThemeTextOptions(true);
* dttOpts.TextColor = color;
* dttOpts.GlowSize = 10;
* dttOpts.AntiAliasedAlpha = true;
* RECT textBounds = new RECT(4, 0, bounds.Right - bounds.Left, bounds.Bottom - bounds.Top);
* DrawThemeTextEx(rnd.Handle, memoryHdc, rnd.Part, rnd.State, text, text.Length, (int)flags, ref textBounds, ref dttOpts);
*
* // Copy to foreground
* const int SRCCOPY = 0x00CC0020;
* GDI.BitBlt(primaryHdc, bounds.Left, bounds.Top, bounds.Width, bounds.Height, memoryHdc, 0, 0, SRCCOPY);
* }
* }
* }
* }
* }*/
public static void DrawText(this VisualStyleRenderer rnd, IDeviceContext dc, ref Rectangle bounds, string text, System.Windows.Forms.TextFormatFlags flags, DrawThemeTextOptions options)
{
RECT rc = new RECT(bounds);
using (SafeGDIHandle hdc = new SafeGDIHandle(dc))
DrawThemeTextEx(rnd.Handle, hdc, rnd.Part, rnd.State, text, text.Length, (int)flags, ref rc, ref options);
bounds = rc.ToRectangle();
}
