public unsafe void Export(Document document, string fileName, Window parent)
{
int w = 64, h = 64; //Default value to configure, pixels per block
string chars = DefaultCharacters.AsciiChars; //Get the selection from config
ASCIIOptionsDialog dialog = new ASCIIOptionsDialog (w, h);
try {
dialog.WindowPosition = Gtk.WindowPosition.CenterOnParent;
int response = dialog.Run ();
if (response == (int)Gtk.ResponseType.Ok) {
w = dialog.ExportImageWidth;
h = dialog.ExportImageHeight;
chars = dialog.ExportImageChars;
} else {
return;
}
} finally {
dialog.Destroy ();
}
Cairo.ImageSurface surface = document.GetFlattenedImage ();
int W = surface.Width, H = surface.Height;
// Special case where 1 cell corresponds directly to 1 pixel
// Written separately for performance
if (h == 1 && w == 1) {
StreamWriter writer = new StreamWriter(fileName);
for (int y = 0; y < H; y++) {
ColorBgra* current = surface.GetRowAddressUnchecked(y);
for (int x = 0; x < W; x++) {
int pos = (int)((1 - current->GetIntensity()) * chars.Length);
char c = chars[pos == chars.Length ? pos - 1 : pos];
writer.Write(c);
current++;
}
if (y != H - 1) {
writer.WriteLine();
}
}
writer.Flush();
} else {
double[,] totals = new double[W / w, H / h];
for (int y = 0; y < H / h * h; y++) {
ColorBgra* current = surface.GetRowAddressUnchecked(y);
for (int x = 0; x < W / w * w; x++) {
totals[x / w, y / h] += 1 - current->GetIntensity();
current++;
}
}
int ppc = w * h;
StreamWriter writer = new StreamWriter(fileName);
for (int y = 0; y < H / h; y++) {
for (int x = 0; x < W / w; x++) {
int pos = (int)(totals[x, y] / ppc * chars.Length);
char c = chars[pos == chars.Length ? pos - 1 : pos];
writer.Write(c);
}
if (y != H / h - 1) {
writer.WriteLine();
}
}
writer.Flush();
}
}
public unsafe void Export(Document document, string fileName, Window parent)
{
int w = 64, h = 64; //Default value to configure, pixels per block
string chars = DefaultCharacters.AsciiChars; //Get the selection from config
ASCIIOptionsDialog dialog = new ASCIIOptionsDialog(w, h);
try {
dialog.WindowPosition = Gtk.WindowPosition.CenterOnParent;
int response = dialog.Run();
if (response == (int)Gtk.ResponseType.Ok)
{
w = dialog.ExportImageWidth;
h = dialog.ExportImageHeight;
chars = dialog.ExportImageChars;
}
else
{
return;
}
} finally {
dialog.Destroy();
}
Cairo.ImageSurface surface = document.GetFlattenedImage();
int W = surface.Width, H = surface.Height;
// Special case where 1 cell corresponds directly to 1 pixel
// Written separately for performance
if (h == 1 && w == 1)
{
StreamWriter writer = new StreamWriter(fileName);
for (int y = 0; y < H; y++)
{
ColorBgra *current = surface.GetRowAddressUnchecked(y);
for (int x = 0; x < W; x++)
{
int pos = (int)((1 - current->GetIntensity()) * chars.Length);
char c = chars[pos == chars.Length ? pos - 1 : pos];
writer.Write(c);
current++;
}
if (y != H - 1)
{
writer.WriteLine();
}
}
writer.Flush();
}
else
{
double[,] totals = new double[W / w, H / h];
for (int y = 0; y < H / h * h; y++)
{
ColorBgra *current = surface.GetRowAddressUnchecked(y);
for (int x = 0; x < W / w * w; x++)
{
totals[x / w, y / h] += 1 - current->GetIntensity();
current++;
}
}
int ppc = w * h;
StreamWriter writer = new StreamWriter(fileName);
for (int y = 0; y < H / h; y++)
{
for (int x = 0; x < W / w; x++)
{
int pos = (int)(totals[x, y] / ppc * chars.Length);
char c = chars[pos == chars.Length ? pos - 1 : pos];
writer.Write(c);
}
if (y != H / h - 1)
{
writer.WriteLine();
}
}
writer.Flush();
}
}
