private void MainForm_Paint(object sender, PaintEventArgs e)
{
// 画像からブロックを切り取る
const int srcLen = 60;
var srcRect = new Rectangle[Block.COLOR_NUM];
for (int i = 0; i < Block.COLOR_NUM; ++i)
{
srcRect[i] = new Rectangle(i * srcLen, 0, srcLen, srcLen);
}
// ゲーム画面にブロックを表示するための領域を確保
var screenHeight = CurScreen.Height;
var screenWidth = CurScreen.Width;
var destRect = new Rectangle[screenHeight, screenWidth];
const int dstLen = 20;
for (int y = 0; y < screenHeight; ++y)
{
for (int x = 0; x < screenWidth; ++x)
{
destRect[y, x] = new Rectangle(x * dstLen, y * dstLen, dstLen, dstLen);
}
}
// ゲーム画面に描画
for (int y = 0; y < screenHeight; ++y)
{
for (int x = 0; x < screenWidth; ++x)
{
var nc = Block.ColorToInt(CurScreen.Field[y, x]);
e.Graphics.DrawImage(BlockImage, destRect[y, x], srcRect[nc], GraphicsUnit.Pixel);
}
}
}