public SDLTexture RenderTextBlended(SDLRenderer renderer,
string text,
Color color)
{
// Check inputs.
if (renderer == null)
{
throw new ArgumentNullException("renderer");
}
// Convert color to SDL format.
SDL.SDL_Color sdlColor = new SDL.SDL_Color();
sdlColor.r = color.RedByte;
sdlColor.g = color.GreenByte;
sdlColor.b = color.BlueByte;
// Render the text message to an SDL_Surface and then convert the surface into an
// SDL texture.
SDLTexture texture;
using (SDLSurface surface = new SDLSurface(SDL_ttf.TTF_RenderText_Blended(
mFont,
text,
sdlColor)))
{
texture = new SDLTexture(renderer, surface);
}
return(texture);
}
public void Draw(SDLTexture texture, int x, int y)
{
// Sanity check our inputs, make sure they are valid.
if (texture == null)
{
throw new ArgumentNullException("texture");
}
if (x < 0)
{
throw new ArgumentOutOfRangeException("x");
}
else if (y < 0)
{
throw new ArgumentOutOfRangeException("y");
}
// Set up the target rectangle, which is the area on the screen that this texture will
// be drawn to.
SDL.SDL_Rect target = new SDL.SDL_Rect();
target.x = x;
target.y = y;
target.w = texture.Width;
target.h = texture.Height;
// Set up the source rectangle, which is the area of the texture that will be drawn to
// the screen.
SDL.SDL_Rect source = new SDL.SDL_Rect();
source.x = 0;
source.y = 0;
source.w = texture.Width;
source.h = texture.Height;
// Now issue the draw command to SDL.
SDL.SDL_RenderCopy(mRenderer, texture.TexturePtr, ref source, ref target);
}
private static void RunGame()
{
// Create the main render window.
SDLWindow window = new SDLWindow( "An SDL2 window", 100, 100, 800, 600 );
SDLRenderer renderer = new SDLRenderer( window );
// Load a test image.
SDLTexture texture = new SDLTexture( renderer, "hello.bmp" );
SDLFont font = new SDLFont( renderer, "hello.ttf", 24 );
SDLTexture textTexture = font.RenderTextBlended( renderer, "Hello World!!", Color.BlueColor );
// Event loop.
SDL.SDL_Event eventInfo = new SDL.SDL_Event();
bool shouldQuit = false;
while ( !shouldQuit )
{
CheckForSDLErrors();
// Pump and process pending OS events.
while ( SDL.SDL_PollEvent( out eventInfo ) != 0 )
{
if ( eventInfo.type == SDL.SDL_EventType.SDL_QUIT )
{
shouldQuit = true;
}
}
// Render all of our stuffs.
renderer.Clear();
renderer.Draw( texture, 32, 32 );
renderer.Draw( textTexture, 0, 400 );
renderer.Present();
}
}
public void Draw( SDLTexture texture, int x, int y )
{
// Sanity check our inputs, make sure they are valid.
if ( texture == null )
{
throw new ArgumentNullException( "texture" );
}
if ( x < 0 )
{
throw new ArgumentOutOfRangeException( "x" );
}
else if ( y < 0 )
{
throw new ArgumentOutOfRangeException( "y" );
}
// Set up the target rectangle, which is the area on the screen that this texture will
// be drawn to.
SDL.SDL_Rect target = new SDL.SDL_Rect();
target.x = x;
target.y = y;
target.w = texture.Width;
target.h = texture.Height;
// Set up the source rectangle, which is the area of the texture that will be drawn to
// the screen.
SDL.SDL_Rect source = new SDL.SDL_Rect();
source.x = 0;
source.y = 0;
source.w = texture.Width;
source.h = texture.Height;
// Now issue the draw command to SDL.
SDL.SDL_RenderCopy( mRenderer, texture.TexturePtr, ref source, ref target );
}
public SDLTexture RenderTextBlended( SDLRenderer renderer,
string text,
Color color )
{
// Check inputs.
if ( renderer == null )
{
throw new ArgumentNullException( "renderer" );
}
// Convert color to SDL format.
SDL.SDL_Color sdlColor = new SDL.SDL_Color();
sdlColor.r = color.RedByte;
sdlColor.g = color.GreenByte;
sdlColor.b = color.BlueByte;
// Render the text message to an SDL_Surface and then convert the surface into an
// SDL texture.
SDLTexture texture;
using ( SDLSurface surface = new SDLSurface( SDL_ttf.TTF_RenderText_Blended(
mFont,
text,
sdlColor ) ) )
{
texture = new SDLTexture( renderer, surface );
}
return texture;
}
