kolibrios/programs/cmm/textreader/prepare_page.h
Kirill Lipatov (Leency) 377ac5168b font.h: global refactoring, simplify API
git-svn-id: svn://kolibrios.org@5987 a494cfbc-eb01-0410-851d-a64ba20cac60
2015-12-18 21:10:45 +00:00

71 lines
1.9 KiB
C

void PreparePage()
{
char line[4096]=0;
char char_width[255];
dword line_start;
byte ch;
dword bufoff;
dword line_length=30;
dword stroka_y = 5;
dword stroka=0;
int i, srch_pos;
label.changeSIZE();
list.w = Form.cwidth-scroll.size_x-1;
//get font chars width, need to increase performance
for (i=0; i<256; i++) char_width[i] = label.symbol_size(i);
//get font buffer height
for (bufoff=io.buffer_data; ESBYTE[bufoff]; bufoff++)
{
ch = ESBYTE[bufoff];
line_length += char_width[ch];
if (line_length>=list.w) || (ch==10) {
srch_pos = bufoff;
loop()
{
if (__isWhite(ESBYTE[srch_pos])) { bufoff=srch_pos+1; break; } //normal word-break
if (srch_pos == line_start) break; //no white space found in whole line
srch_pos--;
}
line_start = bufoff;
line_length = 30;
stroka++;
}
}
//draw text in buffer
list.count = stroka+2;
list.SetSizes(0, TOOLBAR_H, list.w, Form.cheight-TOOLBAR_H, label.size.pt+1);
if (list.count < list.visible) list.count = list.visible;
label.size.height = list.count+1*list.item_h;
label.raw_size = 0;
line_length = 30;
line_start = io.buffer_data;
for (bufoff=io.buffer_data; ESBYTE[bufoff]; bufoff++)
{
ch = ESBYTE[bufoff];
line_length += char_width[ch];
if (line_length>=list.w) || (ch==10)
{
//set word break
srch_pos = bufoff;
loop()
{
if (__isWhite(ESBYTE[srch_pos])) { bufoff=srch_pos+1; break; } //normal word-break
if (srch_pos == line_start) break; //no white space found in whole line
srch_pos--;
}
i = bufoff-line_start;
strlcpy(#line, line_start, i);
label.write_buf(8,stroka_y,list.w,label.size.height, 0xFFFFFF, 0, label.size.pt, #line);
stroka_y += list.item_h;
line_start = bufoff;
line_length = 30;
}
}
label.write_buf(8,stroka_y,list.w,label.size.height, 0xFFFFFF, 0, label.size.pt, line_start);
label.apply_smooth();
DrawPage();
}