static int
writeCells (BrailleDisplay *brl) {
unsigned int textCount = brl->textColumns;
unsigned int statusCount = brl->statusColumns;
unsigned char cells[textCount + statusCount];
unsigned char *cell = cells;
while (textCount) *cell++ = translateOutputCell(textCells[--textCount]);
while (statusCount) *cell++ = translateOutputCell(statusCells[--statusCount]);
return io->methods->writeCells(brl, cells, cell-cells);
}
static int
brl_writeWindow(BrailleDisplay *brl, const wchar_t *text)
{
if(text)
{
char bytes[brl->textColumns];
int i;
for(i = 0; i < brl->textColumns; ++i)
{
wchar_t character = text[i];
bytes[i] = iswLatin1(character)? character: '?';
}
braille_write(bytes, brl->textColumns);
if(brl->cursor >= 0)
{
braille_filter(translateOutputCell(cursorDots()), brl->cursor);
}
braille_render();
}
return 1;
}
static int
writeLine (BrailleDisplay *brl) {
unsigned char packet[2 + (brl->textColumns * 2)];
unsigned char *byte = packet;
*byte++ = statusCells[gscScreenCursorRow];
*byte++ = statusCells[gscScreenCursorColumn];
{
int i;
for (i=0; i<brl->textColumns; i+=1) {
*byte++ = translateOutputCell(brl->buffer[i]);
*byte++ = 0X07;
}
}
if (showOutputMapping) {
int row = statusCells[gscBrailleWindowRow];
if (--row < 0X10) {
int column;
for (column=0; column<80; column+=1) packet[2+(column*2)] = ' ';
for (column=0; column<0X10; column+=1) {
unsigned char *byte = &packet[2 + (column * 8)];
static const unsigned char hex[] = "0123456789ABCDEF";
*byte = hex[row];
byte += 2;
*byte = hex[column];
byte += 2;
*byte = (row << 4) | column;
}
}
}
return writePacket(brl, packet, byte-packet);
}
static int
brl_writeWindow (BrailleDisplay *brl, const wchar_t *text) {
if (cellsHaveChanged(brl->data->textCells, brl->buffer, brl->textColumns, NULL, NULL, &brl->data->forceRewrite)) {
unsigned char bytes[(brl->textColumns * 2) + 2];
unsigned char *byte = bytes;
{
int i;
for (i=brl->textColumns-1; i>=0; i-=1) {
*byte++ = 0XFC;
*byte++ = translateOutputCell(brl->data->textCells[i]);
}
}
*byte++ = 0XFD;
*byte++ = 0X10;
if (!writeBytes(brl, bytes, byte-bytes)) return 0;
}
return 1;
}