static ITextureView loadPng(IRenderDevice device, byte[] payload)
{
TextureLoadInfo loadInfo = new TextureLoadInfo(false);
var png = new MemoryStream(payload, false);
var texture = device.LoadTexture(png, eImageFileFormat.PNG, ref loadInfo, "Mouse cursor");
return(texture.GetDefaultView(TextureViewType.ShaderResource));
}
private async void Load(string file)
{
mLoadInfo = await Task <TextureLoadInfo> .Factory.StartNew(() => TextureLoader.LoadFirstLayer(file));
if (mLoadInfo.Format != Format.R8G8B8A8_UNorm)
{
DecompressData();
}
if (OnBeforeLoad != null)
{
OnBeforeLoad(this, mLoadInfo.Layers[0]);
}
InterfaceManager.Instance.Dispatcher.Invoke(OnSyncLoad);
}
void loadTexture(IRenderDevice device, iStorageFolder assets)
{
// Decode the image from embedded resource of this DLL.
assets.openRead("net-core-logo.png", out var png);
if (null == png)
{
throw new ApplicationException("The texture wasn't found");
}
TextureLoadInfo loadInfo = new TextureLoadInfo(false)
{
IsSRGB = true
};
var texture = device.LoadTexture(png, eImageFileFormat.PNG, ref loadInfo, null);
// Get shader resource view from the texture
textureView = texture.GetDefaultView(TextureViewType.ShaderResource);
// Update the ShaderResourceBinding setting the shader resource view of the newly loaded texture
resourceBinding.GetVariableByName(ShaderType.Pixel, "g_Texture").Set(textureView);
}
private unsafe void OnRenderText()
{
var size = gGraphics.MeasureString(mText, mFont);
var width = (int)(size.Width + 0.5f);
var height = (int)(size.Height + 0.5f);
mWidth = size.Width;
mHeight = size.Height;
if (width == 0 || height == 0)
{
mShouldDraw = false;
return;
}
byte[] buffer;
using (var bitmap = new Bitmap(width, height, PixelFormat.Format32bppArgb))
{
using (var graphics = System.Drawing.Graphics.FromImage(bitmap))
{
graphics.TextRenderingHint = TextRenderingHint.AntiAlias;
graphics.DrawString(mText, mFont, mBrush, 0, 0);
}
var rect = new System.Drawing.Rectangle(0, 0, width, height);
var bits = bitmap.LockBits(rect, ImageLockMode.ReadOnly, bitmap.PixelFormat);
width = bits.Width;
height = bits.Height;
var destPitch = width * 4;
var scanline = (byte *)bits.Scan0;
buffer = new byte[destPitch * height];
for (var y = 0; y < height; ++y)
{
var scanline32 = (uint *)scanline;
for (var x = 0; x < width; ++x)
{
var color = *scanline32++;
var a = (color >> 24) & 0xff;
var r = (color >> 16) & 0xff;
var g = (color >> 8) & 0xff;
var b = (color >> 0) & 0xff;
var offset = destPitch * y + x * 4;
buffer[offset + 0] = (byte)r;
buffer[offset + 1] = (byte)g;
buffer[offset + 2] = (byte)b;
buffer[offset + 3] = (byte)a;
}
scanline += bits.Stride;
}
bitmap.UnlockBits(bits);
}
var texLoadInfo = new TextureLoadInfo
{
Format = Format.R8G8B8A8_UNorm,
Usage = ResourceUsage.Immutable,
Width = width,
Height = height,
GenerateMipMaps = true
};
texLoadInfo.Layers.Add(buffer);
texLoadInfo.RowPitchs.Add(width * 4);
mTexture.LoadFromLoadInfo(texLoadInfo);
mShouldDraw = true;
}
