Created
January 16, 2012 07:17
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Bitmap To texture
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/// <summary> | |
/// Bitmaps to texture. | |
/// </summary> | |
/// <param name="bmp">The BMP.</param> | |
/// <param name="texture">The texture.</param> | |
public unsafe static void BitmapToTexture(Bitmap bitmap, Texture texture) | |
{ | |
var bmp = bitmap.Clone(new System.Drawing.Rectangle(0, 0, bitmap.Width, bitmap.Height), System.Drawing.Imaging.PixelFormat.Format32bppArgb); | |
var bitmapData = bmp.LockBits( | |
new System.Drawing.Rectangle(0, 0, bmp.Width, bmp.Height), | |
ImageLockMode.ReadOnly, | |
bmp.PixelFormat); | |
HardwarePixelBuffer buffer = texture.GetBuffer(); | |
buffer.Lock(Axiom.Graphics.BufferLocking.Discard); | |
PixelBox pixelBox = buffer.CurrentLock; | |
UInt32* texData = (UInt32*)pixelBox.Data; | |
UInt32* mapData = (UInt32*)bitmapData.Scan0; | |
var height = Math.Min(pixelBox.Height, bmp.Height); | |
var width = Math.Min(pixelBox.Width, bmp.Width); | |
for (var y = 0; y < height; ++y) | |
for (var x = 0; x < width; ++x) | |
texData[pixelBox.RowPitch * y + x] = mapData[bitmapData.Stride / 4 * y + x]; | |
buffer.Unlock(); | |
bmp.UnlockBits(bitmapData); | |
} | |
/* | |
* System::Void JointPositionOverlay::copyBitmapToTexture() | |
{ | |
// Lock the texture buffer so we can write to it | |
Ogre::HardwarePixelBufferSharedPtr buffer = mTexture->getBuffer (); | |
buffer->lock(Ogre::HardwareBuffer::HBL_DISCARD); | |
const Ogre::PixelBox &pb = buffer->getCurrentLock(); | |
Ogre::uint32 *texData = static_cast<Ogre::uint32*>(pb.data); | |
// Lock the bitmap buffer so we can read from it | |
System::Drawing::Imaging::BitmapData^ bmd = | |
mBitmap->LockBits( | |
System::Drawing::Rectangle(0, 0, mBitmap->Width, mBitmap->Height), | |
System::Drawing::Imaging::ImageLockMode::ReadOnly, | |
System::Drawing::Imaging::PixelFormat::Format32bppArgb); | |
Ogre::uint32* mapData = static_cast<Ogre::uint32*>(bmd->Scan0.ToPointer()); | |
// Now copy the data between buffers | |
size_t height = std::min (pb.getHeight(), (size_t)bmd->Height); | |
size_t width = std::min(pb.getWidth(), (size_t)bmd->Width); | |
for(size_t y=0; y<height; ++y) | |
for(size_t x=0; x<width; ++x) | |
texData[pb.rowPitch*y + x] = mapData[bmd->Stride/4 * y + x]; | |
// Unlock the buffers again | |
mBitmap->UnlockBits(bmd); | |
buffer->unlock(); | |
} | |
* | |
* | |
* | |
*/ |
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