protected override void OnGLRender(object sender, EventArgs args)
{
_glsx.SmoothMode = SmoothMode.Smooth;
_glsx.StrokeColor = PixelFarm.Drawing.Color.Blue;
_glsx.Clear(PixelFarm.Drawing.Color.White);
_glsx.ClearColorBuffer();
//-------------------------------
if (!isInit)
{
isInit = true;
}
_glsx.Clear(PixelFarm.Drawing.Color.Blue);
painter.StrokeColor = PixelFarm.Drawing.Color.Black;
painter.StrokeWidth = 2;
//-------------------------------
//painter.FillColor = PixelFarm.Drawing.Color.Yellow;
//painter.FillRenderVx(polygon1);
//-------------------------------
//painter.FillColor = PixelFarm.Drawing.Color.Red;
//painter.FillRenderVx(polygon2);
//////-------------------------------
painter.FillColor = PixelFarm.Drawing.Color.Magenta;
try
{
painter.FillRenderVx(polygon3);
SwapBuffers();
}
catch (Exception ex)
{
}
}
protected override void OnGLRender(object sender, EventArgs args)
{
_glsx.SmoothMode = SmoothMode.Smooth;
_glsx.StrokeColor = PixelFarm.Drawing.Color.Blue;
_glsx.ClearColorBuffer();
if (!resInit)
{
msdf_bmp = DemoHelper.LoadTexture(RootDemoPath.Path + @"\msdf_75.png");
sdf_bmp = DemoHelper.LoadTexture(RootDemoPath.Path + @"\sdf_75.png");
resInit = true;
}
_glsx.Clear(PixelFarm.Drawing.Color.White);
_glsx.DrawImageWithMsdf(msdf_bmp, 0, 400, 6);
_glsx.DrawImageWithMsdf(msdf_bmp, 100, 500, 0.5f);
_glsx.DrawImageWithMsdf(msdf_bmp, 100, 520, 0.4f);
_glsx.DrawImageWithMsdf(msdf_bmp, 100, 550, 0.3f);
_glsx.DrawImage(msdf_bmp, 150, 400);
_glsx.DrawImageWithSubPixelRenderingMsdf(msdf_bmp, 200, 400, 6);
_glsx.DrawImageWithSubPixelRenderingMsdf(msdf_bmp, 300, 500, 0.5f);
_glsx.DrawImageWithSubPixelRenderingMsdf(msdf_bmp, 300, 520, 0.4f);
_glsx.DrawImageWithSubPixelRenderingMsdf(msdf_bmp, 300, 550, 0.3f);
//
_glsx.DrawImageWithMsdf(sdf_bmp, 400, 400, 6);
_glsx.DrawImageWithMsdf(sdf_bmp, 400, 500, 0.5f);
_glsx.DrawImageWithMsdf(sdf_bmp, 400, 520, 0.4f);
_glsx.DrawImageWithMsdf(sdf_bmp, 400, 550, 0.3f);
_glsx.DrawImage(sdf_bmp, 400, 300);
SwapBuffers();
}
protected override void OnGLRender(object sender, EventArgs args)
{
_glsx.SmoothMode = SmoothMode.Smooth;
_glsx.StrokeColor = PixelFarm.Drawing.Color.Blue;
_glsx.Clear(PixelFarm.Drawing.Color.White);
_glsx.ClearColorBuffer();
//-------------------------------
if (!isInit)
{
glbmp = DemoHelper.LoadTexture(RootDemoPath.Path + @"\logo-dark.png");
isInit = true;
}
if (frameBuffer.FrameBufferId > 0)
{
if (frameBufferNeedUpdate)
{
//------------------------------------------------------------------------------------
//framebuffer
_glsx.AttachFrameBuffer(frameBuffer);
//after make the frameBuffer current
//then all drawing command will apply to frameBuffer
//do draw to frame buffer here
_glsx.Clear(PixelFarm.Drawing.Color.Red);
_glsx.DrawImageWithBlurX(glbmp, 0, 300);
_glsx.DetachFrameBuffer();
//------------------------------------------------------------------------------------
//framebuffer2
_glsx.AttachFrameBuffer(frameBuffer2);
GLBitmap bmp2 = new GLBitmap(frameBuffer.TextureId, frameBuffer.Width, frameBuffer.Height);
bmp2.IsBigEndianPixel = true;
_glsx.DrawImageWithBlurY(bmp2, 0, 300);
_glsx.DetachFrameBuffer();
//------------------------------------------------------------------------------------
//after release current, we move back to default frame buffer again***
frameBufferNeedUpdate = false;
}
_glsx.DrawFrameBuffer(frameBuffer2, 15, 300);
}
else
{
_glsx.Clear(PixelFarm.Drawing.Color.Blue);
}
//-------------------------------
SwapBuffers();
}
protected override void OnGLRender(object sender, EventArgs args)
{
_glsx.SmoothMode = SmoothMode.Smooth;
_glsx.StrokeColor = PixelFarm.Drawing.Color.Blue;
_glsx.Clear(PixelFarm.Drawing.Color.White);
_glsx.ClearColorBuffer();
//-------------------------------
if (!isInit)
{
isInit = true;
}
if (frameBuffer.FrameBufferId > 0)
{
//------------------------------------------------------------------------------------
GL.BindFramebuffer(FramebufferTarget.Framebuffer, frameBuffer.FrameBufferId);
//--------
//do draw to frame buffer here
GL.ClearColor(OpenTK.Graphics.Color4.Red);
GL.Clear(ClearBufferMask.ColorBufferBit);
//------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------
GL.BindTexture(TextureTarget.Texture2D, frameBuffer.TextureId);
GL.GenerateMipmap(TextureTarget.Texture2D);
GL.BindTexture(TextureTarget.Texture2D, 0);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
//------------------------------------------------------------------------------------
GLBitmap bmp = new GLBitmap(frameBuffer.TextureId, frameBuffer.Width, frameBuffer.Height);
bmp.IsBigEndianPixel = true;
_glsx.DrawImage(bmp, 15, 300);
}
else
{
_glsx.Clear(PixelFarm.Drawing.Color.Blue);
}
//-------------------------------
SwapBuffers();
}
protected override void OnGLRender(object sender, EventArgs args)
{
_glsx.SmoothMode = SmoothMode.Smooth;
_glsx.StrokeColor = PixelFarm.Drawing.Color.Blue;
_glsx.Clear(PixelFarm.Drawing.Color.White);
_glsx.ClearColorBuffer();
//-------------------------------
if (!isInit)
{
glbmp = DemoHelper.LoadTexture(RootDemoPath.Path + @"\leaves.jpg");
isInit = true;
}
if (frameBuffer.FrameBufferId > 0)
{
if (frameBufferNeedUpdate)
{
//------------------------------------------------------------------------------------
//framebuffer
_glsx.AttachFrameBuffer(frameBuffer);
//after make the frameBuffer current
//then all drawing command will apply to frameBuffer
//do draw to frame buffer here
_glsx.Clear(PixelFarm.Drawing.Color.Red);
_glsx.DrawImageWithConv3x3(glbmp, Mat3x3ConvGen.emboss, 0, 300);
_glsx.DetachFrameBuffer();
//after release current, we move back to default frame buffer again***
frameBufferNeedUpdate = false;
}
_glsx.DrawFrameBuffer(frameBuffer, 15, 300);
}
else
{
_glsx.Clear(PixelFarm.Drawing.Color.Blue);
}
//-------------------------------
SwapBuffers();
}
protected override void OnGLRender(object sender, EventArgs args)
{
_glsx.SmoothMode = SmoothMode.Smooth;
_glsx.StrokeColor = PixelFarm.Drawing.Color.Blue;
_glsx.ClearColorBuffer();
_glsx.Clear(PixelFarm.Drawing.Color.Red);
//-------------------------------
painter.FillColor = PixelFarm.Drawing.Color.Black;
painter.DrawString("OK", 0, 100);
painter.DrawString("1234567890", 0, 200);
//-------------------------------
SwapBuffers();
}
protected override void OnGLRender(object sender, EventArgs args)
{
_glsx.SmoothMode = SmoothMode.Smooth;
_glsx.StrokeColor = PixelFarm.Drawing.Color.Blue;
//-----------------------------
//see: lazyfoo.net/tutorials/OpenGL/26_the_stencil_buffer/index.php
//-----------------------------
_glsx.Clear(PixelFarm.Drawing.Color.White);
//-------------------
//disable rendering to color buffer
GL.ColorMask(false, false, false, false);
//start using stencil
GL.Enable(EnableCap.StencilTest);
//place a 1 where rendered
GL.StencilFunc(StencilFunction.Always, 1, 1);
//replace where rendered
GL.StencilOp(StencilOp.Replace, StencilOp.Replace, StencilOp.Replace);
//render to stencill buffer
painter.FillColor = PixelFarm.Drawing.Color.Black;
painter.FillRenderVx(stencilPolygon);
painter.StrokeColor = PixelFarm.Drawing.Color.Black;
//render color
GL.ColorMask(true, true, true, true);
//where a 1 was not rendered
GL.StencilFunc(StencilFunction.Equal, 1, 1);
//keep the pixel
GL.StencilOp(StencilOp.Keep, StencilOp.Keep, StencilOp.Keep);
//draw
painter.FillColor = PixelFarm.Drawing.Color.Red;
painter.FillRenderVx(rectPolygon);
GL.Disable(EnableCap.StencilTest);
//-----------------------------------------------------------
SwapBuffers();
}
