private bool loadCubeMapSide(int texture, TextureTarget side_target, string url)
{
GL.BindTexture(TextureTarget.TextureCubeMap, texture);
int width, height;
win.Bitmap image;
win.Imaging.BitmapData pixelData;
win.Rectangle imgRect;
IntPtr pTexImage;
if (ImageTexture.GetTextureImageFromMFString(url, out image, out width, out height, flipX: true))
{
imgRect = new win.Rectangle(0, 0, width, height);
pixelData = image.LockBits(imgRect, win.Imaging.ImageLockMode.ReadOnly,
System.Drawing.Imaging.PixelFormat.Format32bppArgb);
pTexImage = pixelData.Scan0;
// copy image data into 'target' side of cube map
GL.TexImage2D(side_target, 0, PixelInternalFormat.Rgba, width, height, 0,
PixelFormat.Bgra, PixelType.UnsignedByte, pTexImage);
return(true);
}
return(false);
}
private bool loadCubeMapSide(int texture, TextureTarget side_target, win.Bitmap image)
{
if (image == null)
{
image = Properties.Resources.ErrorTexture;
ImageTexture.Rescale(ref image);
}
GL.BindTexture(TextureTarget.TextureCubeMap, texture);
win.Imaging.BitmapData pixelData;
win.Rectangle imgRect;
IntPtr pTexImage;
bool?rotCW = null;
if (side_target == TextureTarget.TextureCubeMapPositiveY) // Top
{
rotCW = false; // CCW
}
else if (side_target == TextureTarget.TextureCubeMapNegativeY) // Bottom
{
rotCW = true; // CW
}
if (rotCW.HasValue)
{
if (rotCW.Value)
{
// Clockwise by 90 degrees
image.RotateFlip(win.RotateFlipType.Rotate90FlipNone);
}
else
{
// Counterclockwise by -90 degrees
image.RotateFlip(win.RotateFlipType.Rotate270FlipNone);
}
}
imgRect = new win.Rectangle(0, 0, image.Width, image.Height);
pixelData = image.LockBits(imgRect, win.Imaging.ImageLockMode.ReadOnly,
System.Drawing.Imaging.PixelFormat.Format32bppArgb);
pTexImage = pixelData.Scan0;
// copy image data into 'target' side of cube map
GL.TexImage2D(side_target, 0, PixelInternalFormat.Rgba, image.Width, image.Height, 0,
PixelFormat.Bgra, PixelType.UnsignedByte, pTexImage);
image.UnlockBits(pixelData);
return(true);
}
private void UpdateString(String text, out BoundingBox bbox)
{
Brush b;
PointF p;
Bitmap bmp;
bbox = BoundingBox.CalculateBoundingBox(text, Font);
bmp = new Bitmap((int)bbox.Width, (int)bbox.Height);
bmp.MakeTransparent(BackColor);
//if(FontStyle.Justify.FirstOrDefault() == "MIDDLE")
//{
//p = new PointF((float)Offset.X + (boundingbox.Width / 8.0f), (float)Offset.Y);
//}
//else
//{
p = new PointF((float)Offset.X, (float)Offset.Y);
//}
b = new SolidBrush(ForeColor);
using (Graphics g2D = Graphics.FromImage(bmp))
{
//g2D.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
g2D.Clear(BackColor);
g2D.DrawString(text, Font, b, p, StringFormat.GenericDefault);
}
bmp.RotateFlip(RotateFlipType.RotateNoneFlipX);
ImageTexture texture = ImageTexture.CreateTextureFromImage(bmp, new Rectangle(0, 0, (int)bbox.Width, (int)bbox.Height));
if (stringTextures.ContainsKey(text))
{
stringTextures[text].FreeTexture();
stringTextures[text].Dispose();
stringTextures[text] = texture;
}
else
{
stringTextures.Add(text, texture);
}
}
public static ImageTexture CreateTextureFromImage(Bitmap image, Rectangle boundingbox, bool adjustSize = false)
{
ImageTexture texture = new ImageTexture();
texture._type = InternalImageType.Bitmap;
texture.Width = boundingbox.Width;
texture.Height = boundingbox.Height;
if (adjustSize)
{
/* Get the maximum texture size supported by OpenGL: */
int[] textureMaxSize = new int[] { 0 };
GL.GetInteger(GetPName.MaxTextureSize, textureMaxSize);
//gl.GetInteger(OpenGL.GL_MAX_TEXTURE_SIZE,textureMaxSize);
/* Find the target width and height sizes, which is just the highest
* posible power of two that'll fit into the image. */
int glTexWidth = textureMaxSize[0];
int glTexHeight = textureMaxSize[0];
for (int size = 1; size <= textureMaxSize[0]; size *= 2)
{
if (image.Width < size)
{
glTexWidth = size / 2;
break;
}
if (image.Width == size)
{
glTexWidth = size;
}
}
for (int size = 1; size <= textureMaxSize[0]; size *= 2)
{
if (image.Height < size)
{
glTexHeight = size / 2;
break;
}
if (image.Height == size)
{
glTexHeight = size;
}
}
if (image.Width != glTexWidth || image.Height != glTexHeight)
{
/* Scale the image according to OpenGL requirements */
Image newImage = image.GetThumbnailImage(glTexWidth, glTexHeight, null, IntPtr.Zero);
image.Dispose();
image = (Bitmap)newImage;
boundingbox.Width = glTexWidth;
boundingbox.Height = glTexHeight;
}
}
texture.Index = GL.GenTexture();
//GL.BindTexture(TextureTarget.Texture2D, texture.Index);
//GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)All.Linear);
//GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)All.Linear);
//GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, boundingbox.Width, boundingbox.Height, 0,
// OpenTK.Graphics.OpenGL4.PixelFormat.Bgra, PixelType.UnsignedByte, IntPtr.Zero);
texture.pixelData = image.LockBits(boundingbox,
System.Drawing.Imaging.ImageLockMode.ReadOnly,
System.Drawing.Imaging.PixelFormat.Format32bppArgb);
texture.image = image;
// Upload done later by system automatically
texture.LoadTexture();
// Append to system texture assets
//texture._textureID = SceneManager.CreateTexture(texture);
return(texture);
}