public static void Paste(Canvas2 dest, Canvas2 src, double l, double t, double w, double h)
{
#if true
const double MARGIN = 10;
if (w < src.GetWidth() + MARGIN || h < src.GetHeight() + MARGIN)
{
src = Expand(src, (int)(w * 0.99), (int)(h * 0.99));
}
using (Graphics g = dest.GetGraphics())
{
g.DrawImage(src.GetImage(), (float)l, (float)t, (float)w, (float)h);
}
#else // 試していない。
using (Graphics g = dest.GetGraphics())
{
g.DrawImage(
src.GetImage(),
new PointF[]
{
new PointF((float)l, (float)t),
new PointF((float)(l + w), (float)t),
new PointF((float)l, (float)(t + h)),
}
);
}
#endif
}
private static Canvas2 BlurOnce(Canvas2 canvas, int phase)
{
int w = canvas.GetWidth();
int h = canvas.GetHeight();
Canvas2 dest = new Canvas2(w, h);
using (Graphics g = dest.GetGraphics())
{
g.DrawImage(canvas.GetImage(), 0, 0);
for (int count = 0; count < 8; count++)
{
int direction = (count + phase) % 8;
int xa = DIRECTIONS[direction, 0];
int ya = DIRECTIONS[direction, 1];
g.DrawImage(
canvas.GetImage(),
new Rectangle(xa, ya, w, h),
0, 0, w, h,
GraphicsUnit.Pixel,
GetIA_Alpha(1.0 / (2.0 + count))
);
}
}
return(dest);
}
public static void Paste(Canvas2 dest, Canvas2 src)
{
using (Graphics g = dest.GetGraphics(false))
{
g.DrawImage(src.GetImage(), 0, 0, dest.GetWidth(), dest.GetHeight());
}
}
public static Canvas2 Expand(Canvas2 canvas, int w, int h)
{
Canvas2 dest = new Canvas2(w, h);
using (Graphics g = dest.GetGraphics())
{
g.DrawImage(canvas.GetImage(), 0, 0, w, h);
}
return(dest);
}
public static Canvas2 PutMargin(Canvas2 canvas, int xMargin, int yMargin)
{
Canvas2 dest = new Canvas2(canvas.GetWidth() + xMargin * 2, canvas.GetHeight() + yMargin * 2);
using (Graphics g = dest.GetGraphics(false))
{
g.FillRectangle(new SolidBrush(Color.Transparent), 0, 0, dest.GetWidth(), dest.GetHeight());
g.DrawImage(canvas.GetImage(), xMargin, yMargin, canvas.GetWidth(), canvas.GetHeight());
}
return(dest);
}
public static Canvas2 PutMargin(Canvas2 canvas)
{
const int MARGIN = 10;
Canvas2 dest = new Canvas2(canvas.GetWidth() + MARGIN * 2, canvas.GetHeight() + MARGIN * 2);
using (Graphics g = dest.GetGraphics(false))
{
g.FillRectangle(new SolidBrush(Color.Transparent), 0, 0, dest.GetWidth(), dest.GetHeight());
g.DrawImage(canvas.GetImage(), MARGIN, MARGIN, canvas.GetWidth(), canvas.GetHeight());
}
return(dest);
}
public static void Filter_Color(Canvas2 canvas, Color color, double a)
{
Canvas2 maskImg = new Canvas2(canvas.GetWidth(), canvas.GetHeight());
using (Graphics g = maskImg.GetGraphics(false))
{
g.FillRectangle(new SolidBrush(color), 0, 0, maskImg.GetWidth(), maskImg.GetHeight());
}
using (Graphics g = canvas.GetGraphics())
{
g.DrawImage(
maskImg.GetImage(),
new Rectangle(0, 0, canvas.GetWidth(), canvas.GetHeight()),
0, 0, maskImg.GetWidth(), maskImg.GetHeight(),
GraphicsUnit.Pixel,
GetIA_Alpha(a)
);
}
}
public static void Filter(Canvas2 canvas, Color color, double a)
{
int w = canvas.GetWidth();
int h = canvas.GetHeight();
Canvas2 mask = new Canvas2(w, h);
using (Graphics g = mask.GetGraphics(false))
{
g.FillRectangle(new SolidBrush(color), 0, 0, w, h);
}
using (Graphics g = canvas.GetGraphics())
{
g.DrawImage(
mask.GetImage(),
new Rectangle(0, 0, w, h),
0, 0, w, h,
GraphicsUnit.Pixel,
GetIA_Alpha(a)
);
}
}
public void DrawTo(PictureData picture, int frame, int frameNum)
{
double sec = frame * 1.0 / VideoData.FPS;
this.Wave.SetWavPart((int)((sec + AUDIO_DELAY_SEC) * this.Wave.WavHz));
List <double> spectra = new List <double>();
int hz = 10;
for (int c = 1; c <= 9; c++)
{
for (int d = 0; d < 10; d++)
{
double spectrum = 0.0;
for (int i = 0; i < c; i++)
{
spectrum = Math.Max(spectrum, this.Wave.GetSpectrum(hz));
hz += 10;
}
spectrum /= 30.0; // 要調整
spectrum = Vf(spectrum);
spectra.Add(spectrum);
}
}
for (int i = 0; i < spectra.Count; i++)
{
double v = this.ShadowSpectra[i];
v -= 0.01;
v = Math.Max(v, spectra[i]);
this.ShadowSpectra[i] = v;
}
Canvas2 dest = new Canvas2(picture.GetFrame().GetWidth(), picture.GetFrame().GetHeight());
using (Graphics g = dest.GetGraphics(false))
{
g.FillRectangle(new SolidBrush(Color.FromArgb(64, 0, 0, 0)), 0, 0, dest.GetWidth(), dest.GetHeight());
int dr_l = 10;
int dr_t = 10;
int dr_w = dest.GetWidth() - 20;
int dr_h = dest.GetHeight() - 20;
for (int i = 0; i < spectra.Count; i++)
{
int x1 = (((i * 3 + 0) * dr_w) / (spectra.Count * 3 - 2));
int x2 = (((i * 3 + 1) * dr_w) / (spectra.Count * 3 - 2));
int w = x2 - x1;
double v1 = this.ShadowSpectra[i];
double v2 = spectra[i];
v1 /= 2.0; // 要調整
v2 /= 2.0; // 要調整
int h1 = DoubleTools.ToInt(v1 * dr_h);
int h2 = DoubleTools.ToInt(v2 * dr_h);
int y1 = dr_h - h1;
int y2 = dr_h - h2;
g.FillRectangle(new SolidBrush(Color.FromArgb(128, 255, 255, 255)),
dr_l + x1, dr_t + y1, w, h1);
g.FillRectangle(new SolidBrush(Color.White),
dr_l + x1, dr_t + y2, w, h2);
}
}
using (Graphics g = picture.GetFrame().GetGraphics(false))
{
g.DrawImage(dest.GetImage(), 0, 0);
}
}