public static void ResetDrawBackgroundCache()
{
if (image == null)
return;
image.Dispose ();
image = null;
}
public void DrawImage(SVGImage image, double x, double y, double width, double height)
{
Save();
Translate(x, y);
Scale(width / image.Width, height / image.Height);
image.RenderToCairo(Handle);
Restore();
}
public void DrawImageFromFile(string filename, double x, double y, double width, double height)
{
try {
using (SVGImage image = new SVGImage(filename))
{
DrawImage(image, x, y, width, height);
}
}
catch (Exception e)
{
Console.WriteLine("CairoContext.DrawImageFromFile. Could not load file {0}. Error {1}", filename, e);
}
}
public void DrawImageFromAssembly(string resource, double x, double y, double width, double height)
{
try {
using (SVGImage image = new SVGImage(System.Reflection.Assembly.GetCallingAssembly(), resource))
{
DrawImage(image, x, y, width, height);
}
}
catch (Exception e)
{
Console.WriteLine("CairoContext.DrawImageFromAssembly. Could not load resource {0}. Error {1}", resource, e);
}
}
public virtual void DrawBackground()
{
try {
if (image == null)
{
Theme theme;
theme = ThemeManager.FromName (Preferences.Get <string> (Preferences.ThemeKey));
image = new SVGImage (System.IO.Path.Combine (Defines.DATA_DIR, theme.BackgroundImage));
}
Save ();
Rectangle (0, 0, 1, 1);
Scale (0.999 / image.Width, 0.999 / image.Height);
image.RenderToCairo (Handle);
Restore ();
}
catch (Exception e)
{
Console.WriteLine ("CairoContextEx.DrawBackground {0}", e);
}
}
public void DrawImageFromFile(string filename, double x, double y, double width, double height)
{
try {
using (SVGImage image = new SVGImage (filename))
{
DrawImage (image, x, y, width, height);
}
}
catch (Exception e)
{
Console.WriteLine ("CairoContext.DrawImageFromFile. Could not load file {0}. Error {1}", filename, e);
}
}
public void DrawImageFromAssembly(string resource, double x, double y, double width, double height)
{
try {
using (SVGImage image = new SVGImage (System.Reflection.Assembly.GetCallingAssembly (), resource))
{
DrawImage (image, x, y, width, height);
}
}
catch (Exception e)
{
Console.WriteLine ("CairoContext.DrawImageFromAssembly. Could not load resource {0}. Error {1}", resource, e);
}
}
public void DrawImage(SVGImage image, double x, double y, double width, double height)
{
Save ();
Translate (x, y);
Scale (width / image.Width, height / image.Height);
image.RenderToCairo (Handle);
Restore ();
}
void DrawSolutionIcon(CairoContextEx cr, double x, double y, double width, double height)
{
string image;
int img_index = (int) SolutionIcon;
switch (SolutionIcon) {
case SolutionType.CorrectAnswer:
image = "gtk-ok.svg";
break;
case SolutionType.InvalidAnswer:
image = "gtk-stop.svg";
break;
case SolutionType.Tip:
image = "gtk-info.svg";
break;
default:
return;
}
// In memory games, the image gets painted several dozen times
if (images [img_index] == null) {
images [img_index] = new SVGImage (System.Reflection.Assembly.GetExecutingAssembly (), image);
}
cr.DrawImage (images [img_index], x + icon_margin, y, width, height);
}
