EsenthalEngine/Engine/H/Graphics/Display Draw.h

/******************************************************************************

   'DisplayDraw' contains all the basic 2D drawing options.

/******************************************************************************/
struct DisplayDraw // Display Drawing Functions, this class methods can be called by the use of 'D' display object
{
   // draw dot
   static void dot (C Color &color, C Vec2 &v,    Flt radius=0.007f) {v         .draw (color, radius);}
   static void dot (C Color &color, Flt x, Flt y, Flt radius=0.007f) {Vec2(x, y).draw (color, radius);}
   static void dot (C Color &color, C Vec  &v,    Flt radius=0.007f) {v         .draw (color, radius);}
   static void dotP(C Color &color, C Vec  &v,    Flt radius=0.007f) {v         .drawP(color, radius);} // with perspective size depending on distance to camera

   // draw line
   static void line(C Color &color, C Edge2 &edge                 ) {edge                 .draw(color);}
   static void line(C Color &color, C Vec2 &a, C Vec2 &b          ) {Edge2(a     , b     ).draw(color);}
   static void line(C Color &color, Flt x0, Flt y0, Flt x1, Flt y1) {Edge2(x0, y0, x1, y1).draw(color);}
   static void line(C Color &color, C Edge &edge                  ) {edge                 .draw(color);}
   static void line(C Color &color, C Vec  &a, C Vec  &b          ) {Edge(a      , b     ).draw(color);}

   static void lineX(C Color &color, Flt y, Flt x0, Flt x1    ); // draw horizontal line
   static void lineY(C Color &color, Flt x, Flt y0, Flt y1    ); // draw vertical   line
   static void lines(C Color &color, C Vec2 *point, Int points); // draw continuous lines, 'point'=point array, 'points'=number of points

   // draw text
   static void text(C TextStyleParams &ts, Flt x, Flt y, CChar  *t); // draw using custom  text style
   static void text(C TextStyleParams &ts, Flt x, Flt y, CChar8 *t); // draw using custom  text style
   static void text(                       Flt x, Flt y, CChar  *t); // draw using default text style
   static void text(                       Flt x, Flt y, CChar8 *t); // draw using default text style
   static void text(C TextStyleParams &ts, C Vec2 &p   , CChar  *t) {text(ts, p.x, p.y, t);}
   static void text(C TextStyleParams &ts, C Vec2 &p   , CChar8 *t) {text(ts, p.x, p.y, t);}
   static void text(                       C Vec2 &p   , CChar  *t) {text(    p.x, p.y, t);}
   static void text(                       C Vec2 &p   , CChar8 *t) {text(    p.x, p.y, t);}

   // draw text in rectangle area
   static void text(C TextStyleParams &ts, C Rect &rect, CChar  *t, AUTO_LINE_MODE auto_line=AUTO_LINE_NONE);
   static void text(C TextStyleParams &ts, C Rect &rect, CChar8 *t, AUTO_LINE_MODE auto_line=AUTO_LINE_NONE);
   static void text(                       C Rect &rect, CChar  *t, AUTO_LINE_MODE auto_line=AUTO_LINE_NONE);
   static void text(                       C Rect &rect, CChar8 *t, AUTO_LINE_MODE auto_line=AUTO_LINE_NONE);

   // set text depth
   static void textDepth(Bool use, Flt depth=0); // this function can be optionally called before drawing text, to specify depth of the text (Z value for the Depth Buffer), if enabled then the text will be drawn with depth buffer test enabled and will be occluded by objects with depth smaller than 'depth'

   // draw shadow
   static void drawShadowBorders(Byte alpha, C Rect &rect, Flt shadow_radius=0.05f);
   static void drawShadow       (Byte alpha, C Rect &rect, Flt shadow_radius=0.05f);

   // backbuffer effects
   static void       fxBegin(); // begin drawing to secondary render target, this can be called only outside of Render function, after calling this function a secondary render target will be set, it will not be initialized to any color, therefore you may want to clear it using 'D.clearCol'
   static ImageRTPtr fxEnd  (); // end   drawing to secondary render target and restore the main render target, helper render target is returned which can be used as Image for drawing, including the use of custom shaders

#if !EE_PRIVATE
private:
#endif
   Bool _text_depth;

   DisplayDraw();
};
/******************************************************************************/
void DrawKeyboardCursor         (C Vec2 &pos, Flt height);
void DrawKeyboardCursorOverwrite(C Vec2 &pos, Flt height, C TextStyleParams &text_style, Char chr);
/******************************************************************************/