+ Added example for new graphics helpers

Author: trueromanus

EmptyFlow.SciterAPI/Client/HostGraphicsAPI.cs

@@ -125,6 +125,24 @@ public void GraphicsFillGradientRadial ( nint hgfx, float x1, float y1, float x2
         /// <param name="y2">Y2 coordinate.</param>
         public void GraphicsDrawLine ( nint hgfx, float x1, float y1, float x2, float y2 ) => TryToExecuteGraphics ( ( api ) => api.gLine ( hgfx, x1, y1, x2, y2 ) );
 
+        /// <summary>
+        /// Draws line from x1,y1 to x2,y2 with width and color.
+        /// </summary>
+        /// <param name="hgfx">Pointer on graphics surface.</param>
+        /// <param name="x1">X1 coordinate.</param>
+        /// <param name="y1">Y1 coordinate.</param>
+        /// <param name="x2">X2 coordinate.</param>
+        /// <param name="y2">Y2 coordinate.</param>
+        public void GraphicsDrawLine ( nint hgfx, float x1, float y1, float x2, float y2, uint color, float width ) {
+            TryToExecuteGraphics (
+                ( api ) => {
+                    api.gLineColor ( hgfx, color );
+                    api.gLineWidth ( hgfx, width );
+                    api.gLine ( hgfx, x1, y1, x2, y2 );
+                }
+            );
+        }
+
         /// <summary>
         /// Draw ellipse.
         /// </summary>
@@ -171,7 +189,7 @@ public void GraphicsDrawText ( nint hgfx, string text, float x, float y, uint po
         }
 
         public void GraphicsDrawImage ( nint hgfx, nint image, float x, float y, float w, float h, uint ix, uint iy, uint iw, uint ih, float opacity ) {
-            TryToExecuteGraphics ( ( api ) => api.gDrawImage ( hgfx, image, x, y, w, h, ix, iy,iw, ih, opacity) );
+            TryToExecuteGraphics ( ( api ) => api.gDrawImage ( hgfx, image, x, y, w, h, ix, iy, iw, ih, opacity ) );
         }
 
         /// <summary>

src/Program.cs

@@ -44,13 +44,13 @@ public TestGraphicsEventHandler ( nint element, SciterAPIHost host ) : base ( el
 
     public override void DrawEvent ( DrawEvents command, nint gfx, SciterRectangle area, uint reserved ) {
         var color = Host.Graphics.RGBA ( 0, 204, 0, 255 );
-        if ( command == DrawEvents.DRAW_BACKGROUND ) {
-            Host.Graphics.gFillColor ( gfx, color );
-            Host.Graphics.gRectangle ( gfx, area.Left, area.Top, area.Width, area.Height );
-            /*
-             ctx.fillStyle = "blue";
-ctx.fillRect(10, 10, 100, 100);
-             */
+        var blue = Host.Graphics.RGBA ( 0, 0, 255, 255 );
+        if ( command == DrawEvents.DRAW_CONTENT ) {
+            Host.GraphicsSaveState ( gfx );
+            Host.GraphicsFillColor ( gfx, color );
+            Host.GraphicsDrawRectangle ( gfx, area.Left, area.Top, area.Width, area.Height );
+            Host.GraphicsDrawLine ( gfx, 10, 10, 100, 100, blue, 10 );
+            Host.GraphicsRestoreState ( gfx );
         }
     }