u32 color_find(const rgba_t *color, const rgba_t *clut, u32 clut_size)
{
u32 idx, best_idx, error, best_error;
best_idx = 0;
best_error = color_error(&clut[0], color);
for (idx = 1; idx < clut_size; idx++) {
error = color_error(&clut[idx], color);
if (error < best_error) {
best_idx = idx;
best_error = error;
}
}
return best_idx;
}
void MainWindow::on_calc_expr_clicked()
{
unsigned error = 0;
char result_str[50];
QColor color_error(255, 0, 0), color_normal(0, 0, 0);
if(expr_text_changed) {
if(!ui->expr_text_edit->toPlainText().isEmpty()) {
error = P.parse_text_for_calc(ui->expr_text_edit->toPlainText().toStdString().c_str(), value_expr);
if(error == 0) {
ui->history_text->setTextColor(color_normal);
del_zero_from_result(value_expr, result_str);
ui->history_text->append(ui->expr_text_edit->toPlainText() + " = " + result_str);
}
else {
for(int i = 0; i < NUM_ERROR; i++) {
if(error == error_table[i].num_error)
{
ui->history_text->setTextColor(color_error);
ui->history_text->append(QString::fromUtf8(error_table[i].text_error));
break;
}
}
}
} else {
ui->history_text->setTextColor(color_error);
ui->history_text->append(QString::fromUtf8("выражение отсутствует"));
}
}
}
/*************************************************************
...
*************************************************************/
void alloc_standard_colors(void)
{
int i;
for(i=0; i<COLOR_STD_LAST; i++) {
XColor mycolor;
mycolor.red=colors_standard_rgb[i].r<<8;
mycolor.green=colors_standard_rgb[i].g<<8;
mycolor.blue=colors_standard_rgb[i].b<<8;
if(XAllocColor(display, cmap, &mycolor))
colors_standard[i]=mycolor.pixel;
else
color_error();
}
}
/***************************************************************************
...
***************************************************************************/
struct Sprite *load_xpmfile(char *filename)
{
struct Sprite *mysprite;
Pixmap mypixmap, mask_bitmap;
int err;
XpmAttributes attributes;
attributes.extensions = NULL;
attributes.valuemask = XpmCloseness|XpmColormap;
attributes.colormap = cmap;
attributes.closeness = 40000;
again:
if((err=XpmReadFileToPixmap(display, root_window, filename, &mypixmap,
&mask_bitmap, &attributes)!=XpmSuccess)) {
printf("%d\n", err);
if(err==XpmColorError || err==XpmColorFailed) {
color_error();
goto again;
}
log(LOG_FATAL, "failed reading XPM file: %s", filename);
exit(1);
}
if(!(mysprite=(struct Sprite *)malloc(sizeof(struct Sprite)))) {
log(LOG_FATAL, "failed mallocing sprite struct for %s", filename);
exit(1);
}
mysprite->pixmap=mypixmap;
mysprite->mask=mask_bitmap;
mysprite->has_mask=(mask_bitmap!=0);
mysprite->width=attributes.width;
mysprite->height=attributes.height;
return mysprite;
}
