bool painter::begin(const dc_context *context)
{
_context = context;
_text_alignment = GetTextAlign(_context->hdc);
assert(_text_alignment != GDI_ERROR);
_text_color = parse_palette_color(_context->hdc, GetTextColor(_context->hdc));
if (_text_color == CLR_INVALID)
_text_color = 0;
// transparent DC may not have background color
_bg_color = parse_palette_color(_context->hdc, GetBkColor(_context->hdc));
return true;
}
TileStatus Tile::load_from_file(const char *filename) {
FILE *file = fopen(filename, "r");
if (!file) {
return TILE_FILE_NOT_FOUND;
}
char line[32];
s32 num_value;
bool valid_number;
// Get tile width
fgets(line, sizeof(line), file);
chop(line);
valid_number = intval(line, &num_value);
valid_number = valid_number && (num_value >= 0 && num_value <= 255);
if (!valid_number) { fclose(file); return TILE_INVALID_FILE; }
width = num_value;
// Get tile height
fgets(line, sizeof(line), file);
chop(line);
valid_number = intval(line, &num_value);
valid_number = valid_number && (num_value >= 0 && num_value <= 255);
if (!valid_number) { fclose(file); return TILE_INVALID_FILE; }
height = num_value;
// Should be a blank line now
fgets(line, sizeof(line), file);
// Now make the palette, loop until we hit a blank line
Color palette[10] = { TRANSPARENT };
u8 i = 1;
while (strcmp("\n", fgets(line, sizeof(line), file))) {
palette[i] = parse_palette_color(line);
i++;
}
// Allocate tile data
if (data) {
delete [] data;
data = 0;
}
data = new Color [width * height];
// Finally, read the tile data
char current_char;
u32 index = 0;
while (!feof(file)) {
current_char = fgetc(file);
if (current_char >= '0' && current_char <= '9') {
// Make sure we're not past the end of the allocated data.
if (index == width * height) {
delete [] data;
data = 0;
fclose(file);
return TILE_INVALID_FILE;
}
data[index] = palette[current_char - '0'];
index++;
}
}
// Make sure we got enough data
if (index < width * height) {
delete [] data;
data = 0;
fclose(file);
return TILE_INVALID_FILE;
}
fclose(file);
return TILE_OK;
}
