public static void DrawLine(Color color, Position2D start, Dimension2D tSize)
{
OGLTools.glDisable(Gl.GL_TEXTURE_2D);
OGLTools.glEnable(Gl.GL_ALPHA);
Gl.glEnable(Gl.GL_BLEND);
Gl.glBlendFunc(Gl.GL_SRC_ALPHA, Gl.GL_ONE_MINUS_SRC_ALPHA);
Gl.glColor4f(1.0f, 1.0f, 1.0f, 1f);
Gl.glPushMatrix();
Gl.glTranslated(start.X, start.Y, 0);
float x1, y1;
Gl.glBegin(Gl.GL_LINES);
Gl.glColor3f(color.R / 255, color.G / 255, color.B / 255);
Gl.glVertex2f(0f, 0f);
Gl.glColor3f(color.R / 255, color.G / 255, color.B / 255);
Gl.glVertex2f(tSize.Width, tSize.Height);
Gl.glEnd();
// disable blending
glDisable(Gl.GL_BLEND);
OGLTools.glDisable(Gl.GL_ALPHA);
Gl.glPopMatrix(); // Need to optimize this like glPopMatrix(sessionID);
}
public static void DrawFilledRectangle(Color color, Position2D start, Dimension2D size)
{
OGLTools.glDisable(Gl.GL_TEXTURE_2D);
OGLTools.glEnable(Gl.GL_ALPHA);
Gl.glEnable(Gl.GL_BLEND);
Gl.glBlendFunc(Gl.GL_SRC_ALPHA, Gl.GL_ONE_MINUS_SRC_ALPHA);
Gl.glColor4f(1.0f, 1.0f, 1.0f, 1f);
Gl.glPushMatrix();
Gl.glTranslated(start.X, start.Y, 0);
float x1, y1;
/*
* Gl.glBegin(Gl.GL_QUADS);
* Gl.glColor3f((float)color.R / 255f, (float)color.G / 255f, (float)color.B / 255f);
* Gl.glVertex2f(0f, 0f);
* Gl.glVertex2f(0, size.Height);
* Gl.glVertex2f(size.Width, size.Height);
* Gl.glVertex2f(size.Width, 0);
* Gl.glVertex2f(0f, 0f);
* Gl.glEnd();
*/
float[] Vertices = new float[] { 0, 0, 0, (float)size.Height, (float)size.Width, (float)size.Height, (float)size.Width, 0, 0, 0 };
float[] Indices = { 0, 1, 2, 3, 4 };
//Load the arrays
Gl.glColor3f((float)color.R / 255f, (float)color.G / 255f, (float)color.B / 255f);
Gl.glEnableClientState(Gl.GL_VERTEX_ARRAY);
Gl.glVertexPointer(2, Gl.GL_FLOAT, 0, Vertices);
Gl.glDrawArrays(Gl.GL_QUADS, 0, Indices.Length);
Gl.glDisableClientState(Gl.GL_VERTEX_ARRAY);
// disable blending
glDisable(Gl.GL_BLEND);
OGLTools.glDisable(Gl.GL_ALPHA);
Gl.glPopMatrix(); // Need to optimize this like glPopMatrix(sessionID);
}
public static void DrawTexture(OGLTexture txt, Position2D texturePosition, Dimension2D textureSize, Position2D targetPosition, Dimension2D targetSize, float Alpha)
{
/*if ((targetPosition.X < 0) || (targetPosition.X >= oGL.Width))
* return;
* if ((targetPosition.Y < 0) || (targetPosition.Y >= oGL.Height))
* return;
* if ((targetPosition.X + targetSize.Width < 0) || (targetPosition.X + targetSize.Width >= oGL.Width))
* return;
* if ((targetPosition.Y + targetSize.Height < 0) || (targetPosition.Y + targetSize.Height >= oGL.Height))
* return;*/
glEnable2D();
glEnable(Gl.GL_ALPHA);
OGLTools.glEnable(Gl.GL_TEXTURE_2D);
Gl.glEnable(Gl.GL_BLEND);
Gl.glBlendFunc(Gl.GL_SRC_ALPHA, Gl.GL_ONE_MINUS_SRC_ALPHA);
Gl.glColor4f(1.0f, 1.0f, 1.0f, Alpha);
Gl.glPushMatrix();
Gl.glTranslated(targetPosition.X, targetPosition.Y, 0);
if (m_CurrentTextureID != (int)txt.TextureId)
{
m_CurrentTextureID = (int)txt.TextureId;
Gl.glBindTexture(Gl.GL_TEXTURE_2D, m_CurrentTextureID);
}
float x1, y1;
Gl.glBegin(Gl.GL_QUADS);
// Extract bottom left position
//x1 = (1.0f / (float)txt.Size.Width * (float)texturePosition.X) - txt.Size.GetFloatingX(textureSize.Width - txt.Size.Width);
//y1 = (1.0f / (float)txt.Size.Height * (float)texturePosition.Y) - txt.Size.GetFloatingY(textureSize.Width - txt.Size.Height);
x1 = 1 / (float)txt.Size.Width * (float)texturePosition.X;
y1 = 1 / (float)txt.Size.Height * (float)texturePosition.Y;
Gl.glTexCoord2f(x1, y1 * -1);
Gl.glVertex2i(0, 0);
// Extract bottom right
//x1 = (1.0f / (float)txt.Size.Width * (float)texturePosition.X) - txt.Size.GetFloatingX(textureSize.Width);
//y1 = (1.0f / (float)txt.Size.Height * (float)texturePosition.Y) - txt.Size.GetFloatingY(textureSize.Height - txt.Size.Height);
x1 = 1 / (float)txt.Size.Width * ((float)texturePosition.X + (float)textureSize.Width);
y1 = 1 / (float)txt.Size.Height * (float)texturePosition.Y;
Gl.glTexCoord2f(x1, y1 * -1);
Gl.glVertex2i(targetSize.Width, 0);
// Extract top right
//x1 = (1.0f / (float)txt.Size.Width * (float)texturePosition.X) - txt.Size.GetFloatingX(textureSize.Width);
//y1 = (1.0f / (float)txt.Size.Height * (float)texturePosition.Y) - txt.Size.GetFloatingY(textureSize.Height);
x1 = 1 / (float)txt.Size.Width * ((float)texturePosition.X + (float)textureSize.Width);
y1 = 1 / (float)txt.Size.Height * ((float)texturePosition.Y + (float)textureSize.Height);
Gl.glTexCoord2f(x1, y1 * -1);
Gl.glVertex2i(targetSize.Width, targetSize.Height);
// Extract top left position
//x1 = (1.0f / (float)txt.Size.Width * (float)texturePosition.X) - txt.Size.GetFloatingX(textureSize.Width - txt.Size.Width);
//y1 = (1.0f / (float)txt.Size.Height * (float)texturePosition.Y) - txt.Size.GetFloatingY(textureSize.Height);
x1 = 1 / (float)txt.Size.Width * (float)texturePosition.X;
y1 = 1 / (float)txt.Size.Height * ((float)texturePosition.Y + (float)textureSize.Height);
Gl.glTexCoord2f(x1, y1 * -1);
Gl.glVertex2i(0, targetSize.Height + 0);
Gl.glEnd();
// disable blending
glDisable(Gl.GL_BLEND);
Gl.glPopMatrix(); // Need to optimize this like glPopMatrix(sessionID);
}