Open sourced (Flickr OpenGL C# Library)
Crossposted from cellardoorsw.com:
I GPL licensed all the source to Slickr (that I wrote), and released it into the wild. You can view the trac page, or go straight to the source. Its all C# and OpenGL goodness with some gnarly calls to some windows api’s (for extra’s nothing critical). There are a couple NAnt build scripts for when I was trying to get it working under linux, but you’ll want Visual Studio (2003) to get started quick (and look at the README).
Who knew it would be such a pain to draw text and did I really need to query the monitor power state?
I’ll try to write an overall design doc soon, but until then start at any of the Entrypoint’s. And in the end all that is really going on is this:
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private void DrawGLTexture(SlickrImage image)
{
PointFloat p = image.GetMovement(window.Width, window.Height, true);
float scale = image.GetScale(window.Width, window.Height);
float fade = image.GetPercentageFade();
int texWidth = image.TextureWidth;
int texHeight = image.TextureHeight;
Gl.glMatrixMode(Gl.GL_PROJECTION); // Select The Projection Matrix
Gl.glLoadIdentity(); // Reset The Projection Matrix
float r = (window.Width/scale);
float b = (window.Height/scale);
Gl.glOrtho(0, r, b, 0, -1.0f, 1.0f);
Gl.glMatrixMode(Gl.GL_MODELVIEW); // Select The Modelview Matrix
Gl.glLoadIdentity();
Gl.glEnable (Gl.GL_BLEND); // for text fading
Gl.glBlendFunc (Gl.GL_ONE, Gl.GL_ONE_MINUS_SRC_ALPHA);
Gl.glColor4f (fade, fade, fade, fade);
float posX = p.x; //stepX +
float posY = p.y; //stepY +
image.DrawAtPoint(posX, posY);
Gl.glDisable(Gl.GL_BLEND);
}
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If you are interesting in working on bug fixes, enhacements, or whatever give me a shout.