public static Bitmap Draw(PixelMap pm)
{
int w = pm.PixelWidth * pm.Width;
int h = pm.PixelWidth * pm.Height;
if (pm.ShowGrid)
{
w += pm.GridWidth * (pm.Width + 1);
h += pm.GridWidth * (pm.Height + 1);
}
Bitmap b = new Bitmap(w, h);
using (Graphics g = Graphics.FromImage(b))
{
g.Clear(pm.BackColor);
for (int i = 0; i < pm.Width; ++i)
{
for (int j = 0; j < pm.Height; ++j)
{
DrawPixel(pm, g, i, j, pm.GetPixel(i, j));
}
}
if (pm.ShowGrid)
{
DrawGrid(pm, g);
}
}
return b;
}
private void ChangePixelPainterImage(Bitmap bmp)
{
int gw = RefreshCurrGridWidth();
CurrPixelMap = new PixelMap()
{
ShowGrid = ShowGridCheckBox.Checked,
data = bmp,
PixelWidth = PixelMap.DefaultPixelWidth - gw,
GridWidth = gw,
GridColor = GridColorButton.BackColor,
};
PixelPainter.SourceImage = CurrPixelMap;
}
public static void DrawGrid(PixelMap pm, Graphics g)
{
int x = pm.PixelWidth + pm.GridWidth;
var w = pm.data.Width * x;
var h = pm.data.Height * x;
var GridPen = new Pen(pm.GridColor, pm.GridWidth);
int BlockWidth = pm.PixelWidth + pm.GridWidth;
for (int i = 0; i <= pm.data.Width; ++i)
{
g.DrawLine(GridPen, 0, i * BlockWidth, w, i * BlockWidth);
g.DrawLine(GridPen, i * BlockWidth, 0, i * BlockWidth, h);
}
}
public static void DrawPixel(PixelMap pm, Graphics g, int x, int y, Color c)
{
var brush = new SolidBrush(c);
if (pm.ShowGrid)
{
g.FillRectangle(
brush,
pm.GridWidth / 2.0f + x * (pm.PixelWidth + pm.GridWidth),
pm.GridWidth / 2.0f + y * (pm.PixelWidth + pm.GridWidth),
pm.PixelWidth,
pm.PixelWidth);
}
else
{
g.FillRectangle(
brush,
x * pm.PixelWidth,
y * pm.PixelWidth,
pm.PixelWidth,
pm.PixelWidth);
}
}
private void CloseFile()
{
CurrPixelMap = null;
PixelPainter.SourceImage = null;
IsModified = false;
SetCurrPathStatusLabel("无");
}