protected TextButton(Rectangle bounds, string text, Font textFont, Color textColor, CombinedAlignment textAlignment, int depth = 0)
{
Bounds = bounds;
Text = text;
TextFont = textFont;
TextColor = textColor;
TextAlignment = textAlignment;
Depth = depth;
}
public void Draw(string str, Point pos, Color color, CombinedAlignment alignment = CombinedAlignment.TopLeft, int depth = 0)
{
if (!Loaded)
throw new NotLoadedException();
//replace tab with 4 spaces because SDL.SDL_SDL_ttf.TTF_doesn't
str = str.Replace("\t", " ");
//create rows by splitting on newline character
string[] rows = str.Split('\n');
IntPtr[] rowTextures = new IntPtr[rows.Length];
//add independent drawjob for each line
for (int i = 0; i < rows.Length; i++)
{
//leave blank if there's no use for a texture there (whitespace)
if (String.IsNullOrWhiteSpace(rows[i]))
{
rowTextures[i] = IntPtr.Zero;
continue;
}
Tuple<string, Color> key = new Tuple<string, Color>(rows[i], color);
if (Textures.ContainsKey(key)) //use an already rendered texture
{
rowTextures[i] = Textures[key];
TexturesDrawsUnused[key] = 0;
}
else //generate a new texture
{
IntPtr textSurface = SDL_ttf.TTF_RenderUTF8_Blended(Handle, rows[i], color);
rowTextures[i] = SDL.SDL_CreateTextureFromSurface(Game.RendererHandle, textSurface);
SDL.SDL_FreeSurface(textSurface);
Textures.Add(key, rowTextures[i]);
TexturesDrawsUnused.Add(key, 0);
}
uint format;
int access, w, h;
SDL.SDL_QueryTexture(rowTextures[i], out format, out access, out w, out h);
float horizontalOffset = 0f;
float verticalOffset = 0f;
//horizontal alignment
if (alignment.HasFlag((CombinedAlignment)HorizontalAlignment.Center))
horizontalOffset = -w / 2f;
if (alignment.HasFlag((CombinedAlignment)HorizontalAlignment.Right))
horizontalOffset = -w;
//vertical alignment
if (alignment.HasFlag((CombinedAlignment)VerticalAlignment.Top))
verticalOffset = i * LineHeight;
if (alignment.HasFlag((CombinedAlignment)VerticalAlignment.Middle))
verticalOffset = -rows.Length * LineHeight / 2f + i * LineHeight;
if (alignment.HasFlag((CombinedAlignment)VerticalAlignment.Bottom))
verticalOffset = -rows.Length * LineHeight + i * LineHeight;
Point texturePos = pos + new Point(horizontalOffset, verticalOffset);
Point textureSize = new Point(w, h);
DrawX.DrawJobs.Add(new TextureDrawJob(depth, new Rectangle(texturePos, textureSize), rowTextures[i], new Rectangle(Point.Zero, new Point(w, h)), new ComplexRectangle(texturePos, textureSize)));
}
}
public FullImageButton(Point position, Sprite sprite, string text, Font textFont, Color textColor, CombinedAlignment textAlignment = CombinedAlignment.MiddleCenter, int depth = 0)
: this(new Rectangle(position, sprite.FrameSize), sprite, text, textFont, textColor, textAlignment, depth)
{
}
public FullImageButton(Rectangle bounds, Sprite sprite, string text, Font textFont, Color textColor, CombinedAlignment textAlignment = CombinedAlignment.MiddleCenter, int depth = 0)
: base(bounds, text, textFont, textColor, textAlignment, depth)
{
Sprite = sprite;
}
public AlignmentAssociation this[CombinedAlignment key]
{
get { return(this.FirstOrDefault(aa => aa.Key == key)); }
}
public static void SetEditorRole(DependencyObject obj, CombinedAlignment value)
{
obj.SetValue(EditorRoleProperty, value);
}
public static void Draw(string str, Font font, Point pos, Color color, CombinedAlignment alignment = CombinedAlignment.TopLeft, int depth = 0)
{
font.Draw(str, pos, color, alignment, depth);
}
