/// <summary>
/// Creates a texture for a rendering context.
/// </summary>
/// <param name="renderer">The rendering context</param>
/// <param name="pixelFormat">One of the enumerated values in SDL_PixelFormatEnum</param>
/// <param name="accessMode">One of the enumerated values in SDL_TextureAccess</param>
/// <param name="width">The width of the texture in pixels</param>
/// <param name="height">The height of the texture in pixels</param>
public Texture(Renderer renderer, uint pixelFormat , TextureAccessMode accessMode, int width, int height)
{
this.pixelFormat = pixelFormat;
this.accessMode = accessMode;
Width = width;
Height = height;
isLocked = false;
Handle = SDL.SDL_CreateTexture(renderer.Handle, pixelFormat, (int)accessMode, width, height);
if (IntPtr.Zero == Handle)
{
throw new Exception("Error while creating texture: " + SDL.SDL_GetError());
}
}
public Texture(Renderer renderer, Surface surface)
{
if (renderer == null)
{
throw new ArgumentNullException("renderer", Errors.E_RENDERER_NULL);
}
if (surface == null)
{
throw new ArgumentNullException("surface", Errors.E_SURFACE_NULL);
}
this.renderer = renderer;
FilePath = surface.FilePath;
AccessMode = TextureAccessMode.Static;
Surface = surface;
CreateTextureAndCleanup(surface.Width, surface.Height);
}
public RenderTarget(Renderer renderer, int width, int height)
{
if (renderer == null)
{
throw new ArgumentNullException("renderer", Errors.E_RENDERER_NULL);
}
this.renderer = renderer;
Width = width;
Height = height;
AccessMode = TextureAccessMode.Target;
Handle = SDL.SDL_CreateTexture(renderer.Handle, SDL.SDL_PIXELFORMAT_RGBA8888, (int)AccessMode, Width, Height);
if (Handle == IntPtr.Zero)
{
throw new InvalidOperationException(Utilities.GetErrorMessage("RenderTarget"));
}
}
internal IntPtr CreateTexture(int width, int height, PixelFormat pixelFormat, TextureAccessMode accessMode)
{
uint mappedPixelFormat = PixelFormatMap.EnumToSDL(pixelFormat);
IntPtr unsafeHandle = SDL.SDL_CreateTexture(renderer.Handle, mappedPixelFormat, (int)accessMode, width, height);
if (unsafeHandle == IntPtr.Zero)
{
throw new InvalidOperationException(Utilities.GetErrorMessage("SDL_CreateTextureFromSurface"));
}
return(unsafeHandle);
}
internal Texture(IRenderer renderer, int width, int height, PixelFormat pixelFormat, TextureAccessMode accessMode)
{
if (renderer == null)
{
throw new ArgumentNullException(nameof(renderer));
}
if (width < 0)
{
throw new ArgumentOutOfRangeException(nameof(width));
}
if (height < 0)
{
throw new ArgumentOutOfRangeException(nameof(height));
}
this.renderer = renderer;
IntPtr unsafeHandle = CreateTexture(width, height, pixelFormat, accessMode);
safeHandle = new SafeTextureHandle(unsafeHandle);
QueryTexture(unsafeHandle);
}
public ITexture CreateTexture(IRenderer renderer, int width, int height, PixelFormat pixelFormat, TextureAccessMode accessMode)
{
try
{
var texture = new Texture(renderer, width, height, pixelFormat, accessMode);
logger?.LogTrace($"Texture created. Width = {texture.Width}, Height = {texture.Height}, PixelFormat = {texture.PixelFormat}, AccessMode = {texture.AccessMode}, Handle = {texture.Handle}.");
return(texture);
}
catch (Exception ex)
{
logger?.LogError(ex, ex.Message);
throw;
}
}
