public static void SetTextureData(UnityEngine.Texture2D texture, Alt.Sketch.Bitmap src, Alt.Sketch.RectI srcRect, bool flip)
{
if (texture == null ||
src == null ||
!src.IsValid)
{
return;
}
Alt.Sketch.BitmapData srcData = src.LockBits(Sketch.ImageLockMode.ReadOnly);
if (srcData == null)
{
return;
}
int src_x = srcRect.X;
int src_y = srcRect.Y;
//int src_w, src_h;
int src_width = //src_w =
srcRect.Width;
int src_height = //src_h =
srcRect.Height;
int dest_x = 0;
int dest_y = 0;
int dest_w = texture.width;
int dest_h = texture.height;
if (dest_x > (dest_w - 1) ||
dest_y > (dest_h - 1))
{
src.UnlockBits(srcData);
return;
}
if ((dest_x + src_width) > dest_w)
{
src_width = dest_w - dest_x;
}
if ((dest_y + src_height) > dest_h)
{
src_height = dest_h - dest_y;
}
byte[] src_Buffer = srcData.Scan0;
int src_stride = srcData.Stride;
int src_ByteDepth = srcData.ByteDepth;
try
{
bool fProcessed = false;
switch (srcData.PixelFormat)
{
case Sketch.PixelFormat.Format24bppRgb:
{
switch (texture.format)
{
case TextureFormat.RGB24:
{
if (src_width == dest_w &&
src_height == dest_h)
{
//texture.LoadRawTextureData(src_Buffer);
byte[] colors = src.TextureTempBuffer;
if (colors == null)
{
colors = new byte[src_height * src_width * 3];
}
int colors_index = 0;
if (flip)
{
for (int y = src_height - 1; y >= 0; y--)
{
int src_Index = src_x * src_ByteDepth + (src_y + y) * src_stride;
for (int x = 0; x < src_width; x++)
{
colors[colors_index++] = src_Buffer[src_Index + 2];
colors[colors_index++] = src_Buffer[src_Index + 1];
colors[colors_index++] = src_Buffer[src_Index];
src_Index += 3;
}
}
}
else
{
for (int y = 0; y < src_height; y++)
{
int src_Index = src_x * src_ByteDepth + (src_y + y) * src_stride;
for (int x = 0; x < src_width; x++)
{
colors[colors_index++] = src_Buffer[src_Index + 2];
colors[colors_index++] = src_Buffer[src_Index + 1];
colors[colors_index++] = src_Buffer[src_Index];
src_Index += 3;
}
}
}
texture.LoadRawTextureData(colors);
}
else
{
UnityEngine.Color[] colors = new UnityEngine.Color[src_height * src_width];
int colors_index = 0;
if (flip)
{
for (int y = src_height - 1; y >= 0; y--)
{
int src_Index = src_x * src_ByteDepth + (src_y + y) * src_stride;
for (int x = 0; x < src_width; x++)
{
colors[colors_index++] = new Color32(
src_Buffer[src_Index + 2],
src_Buffer[src_Index + 1],
src_Buffer[src_Index],
255);
src_Index += 3;
}
}
}
else
{
for (int y = 0; y < src_height; y++)
{
int src_Index = src_x * src_ByteDepth + (src_y + y) * src_stride;
for (int x = 0; x < src_width; x++)
{
colors[colors_index++] = new Color32(
src_Buffer[src_Index + 2],
src_Buffer[src_Index + 1],
src_Buffer[src_Index],
255);
src_Index += 3;
}
}
}
texture.SetPixels(src_x, src_y, src_width, src_height, colors);
}
fProcessed = true;
break;
}
case TextureFormat.RGBA32:
{
if (src_width == dest_w &&
src_height == dest_h)
{
byte[] colors = new byte[src_height * src_width * 4];
int colors_index = 0;
if (flip)
{
for (int y = src_height - 1; y >= 0; y--)
{
int src_Index = src_x * src_ByteDepth + (src_y + y) * src_stride;
for (int x = 0; x < src_width; x++)
{
colors[colors_index++] = src_Buffer[src_Index + 2];
colors[colors_index++] = src_Buffer[src_Index + 1];
colors[colors_index++] = src_Buffer[src_Index];
colors[colors_index++] = 255;
src_Index += 3;
}
}
}
else
{
for (int y = 0; y < src_height; y++)
{
int src_Index = src_x * src_ByteDepth + (src_y + y) * src_stride;
for (int x = 0; x < src_width; x++)
{
colors[colors_index++] = src_Buffer[src_Index + 2];
colors[colors_index++] = src_Buffer[src_Index + 1];
colors[colors_index++] = src_Buffer[src_Index];
colors[colors_index++] = 255;
src_Index += 3;
}
}
}
texture.LoadRawTextureData(colors);
}
else
{
UnityEngine.Color[] colors = new UnityEngine.Color[src_height * src_width];
int colors_index = 0;
if (flip)
{
for (int y = src_height - 1; y >= 0; y--)
{
int src_Index = src_x * src_ByteDepth + (src_y + y) * src_stride;
for (int x = 0; x < src_width; x++)
{
colors[colors_index++] = new Color32(
src_Buffer[src_Index + 2],
src_Buffer[src_Index + 1],
src_Buffer[src_Index],
255);
src_Index += 3;
}
}
}
else
{
for (int y = 0; y < src_height; y++)
{
int src_Index = src_x * src_ByteDepth + (src_y + y) * src_stride;
for (int x = 0; x < src_width; x++)
{
colors[colors_index++] = new Color32(
src_Buffer[src_Index + 2],
src_Buffer[src_Index + 1],
src_Buffer[src_Index],
255);
src_Index += 3;
}
}
}
texture.SetPixels(src_x, src_y, src_width, src_height, colors);
}
fProcessed = true;
break;
}
}
break;
}
case Sketch.PixelFormat.Format32bppArgb:
{
switch (texture.format)
{
case TextureFormat.RGB24:
{
// We can't be here
//int dest_ByteDepth = 3;
break;
}
case TextureFormat.RGBA32:
{
if (src_width == dest_w &&
src_height == dest_h)
{
//texture.LoadRawTextureData(src_Buffer);
byte[] colors = src.TextureTempBuffer;
if (colors == null)
{
colors = new byte[src_height * src_width * 4];
}
int colors_index = 0;
if (flip)
{
for (int y = src_height - 1; y >= 0; y--)
{
int src_Index = src_x * src_ByteDepth + (src_y + y) * src_stride;
for (int x = 0; x < src_width; x++)
{
colors[colors_index++] = src_Buffer[src_Index + 2];
colors[colors_index++] = src_Buffer[src_Index + 1];
colors[colors_index++] = src_Buffer[src_Index];
colors[colors_index++] = src_Buffer[src_Index + 3];
src_Index += 4;
}
}
}
else
{
for (int y = 0; y < src_height; y++)
{
int src_Index = src_x * src_ByteDepth + (src_y + y) * src_stride;
for (int x = 0; x < src_width; x++)
{
colors[colors_index++] = src_Buffer[src_Index + 2];
colors[colors_index++] = src_Buffer[src_Index + 1];
colors[colors_index++] = src_Buffer[src_Index];
colors[colors_index++] = src_Buffer[src_Index + 3];
src_Index += 4;
}
}
}
texture.LoadRawTextureData(colors);
}
else
{
UnityEngine.Color[] colors = new UnityEngine.Color[src_height * src_width];
int colors_index = 0;
if (flip)
{
for (int y = src_height - 1; y >= 0; y--)
{
int src_Index = src_x * src_ByteDepth + (src_y + y) * src_stride;
for (int x = 0; x < src_width; x++)
{
colors[colors_index++] = new Color32(
src_Buffer[src_Index + 2],
src_Buffer[src_Index + 1],
src_Buffer[src_Index],
src_Buffer[src_Index + 3]);
src_Index += 4;
}
}
}
else
{
for (int y = 0; y < src_height; y++)
{
int src_Index = src_x * src_ByteDepth + (src_y + y) * src_stride;
for (int x = 0; x < src_width; x++)
{
colors[colors_index++] = new Color32(
src_Buffer[src_Index + 2],
src_Buffer[src_Index + 1],
src_Buffer[src_Index],
src_Buffer[src_Index + 3]);
src_Index += 4;
}
}
}
texture.SetPixels(src_x, src_y, src_width, src_height, colors);
}
fProcessed = true;
break;
}
}
break;
}
case Sketch.PixelFormat.Format8bppAlpha:
{
// not used yet
break;
}
}
// universal method
if (!fProcessed)
{
UnityEngine.Color[] colors = new UnityEngine.Color[src_height * src_width];
int colors_index = 0;
for (int y = 0; y < src_height; y++)
{
for (int x = 0; x < src_width; x++)
{
Alt.Sketch.Color color = src.GetPixel(x, y);
colors[colors_index++] = new Color32(
color.R,
color.G,
color.B,
color.A);
}
}
texture.SetPixels(src_x, src_y, src_width, src_height, colors);
fProcessed = true;
}
if (fProcessed)
{
texture.Apply(false);
}
}
catch //(System.Exception ex)
{
//Console.WriteLine(ex.ToString());
}
finally
{
src.UnlockBits(srcData);
}
}
/*
* Render the given string using the given font. Transfer the image
* to a surface of power-of-2 size large enough to fit the string.
* Return an OpenGL texture object.
*/
// Image
public static int make_image_from_font(
ref int w, ref int h,
string text, Alt.Sketch.Font font)
{
int o = 0;
/* Render the text. */
if (!string.IsNullOrEmpty(text))
{
Alt.Sketch.SizeI size = gui.gui_measure(text, font);
Alt.Sketch.Bitmap bitmap = new Alt.Sketch.Bitmap(size, Alt.Sketch.PixelFormat.Format32bppArgb);
using (Alt.Sketch.Graphics graphics = Alt.Sketch.Graphics.FromImage(bitmap))
{
graphics.Clear(Alt.Sketch.Color.Empty);
graphics.DrawString(text, font, Alt.Sketch.Brushes.White, Alt.Sketch.Point.Zero);
}
{
w = bitmap.PixelWidth;
h = bitmap.PixelHeight;
int trw = 0;
bool f = false;
// left
for (int x = 0; x < w; x++)
{
for (int y = 0; y < h; y++)
{
if (bitmap.GetPixel(x, y).A != 0)
{
f = true;
break;
}
}
if (f)
{
break;
}
trw++;
}
// right
f = false;
for (int x = w - 1; x >= 0; x--)
{
for (int y = 0; y < h; y++)
{
if (bitmap.GetPixel(x, y).A != 0)
{
f = true;
break;
}
}
if (f)
{
break;
}
trw++;
}
// Pad the text to power-of-two
Alt.Sketch.BitmapData bdata = bitmap.LockBits(Alt.Sketch.ImageLockMode.ReadOnly);
int w2 = 0;
int h2 = 0;
byte[] p = image_next2(bdata.Scan0, bdata.PixelWidth, bdata.PixelHeight, bdata.ByteDepth, trw, ref w2, ref h2);
bitmap.UnlockBits(bdata);
/* Saturate the color channels. Modulate ONLY in alpha. */
Image.image_white(p, w2, h2, bitmap.ByteDepth);
/* Create the OpenGL texture object. */
o = Image.make_texture(p, w2, h2, bitmap.ByteDepth);
}
}
else
{
/* Empty string. */
//if (w) *
w = 0;
//if (h) *
h = 0;
//if (W) *W = 0;
//if (H) *H = 0;
}
return(o);
}
