/**
* We buffer the rendered text instead of calculating it each frame
* This function refreshes the buffer.
*/
void WidgetLabel::recacheTextSprite() {
Image *image;
if (label) {
delete label;
label = NULL;
}
if (text.empty())
return;
std::string temp_text = text;
font->setFont(font_style);
bounds.w = font->calc_width(temp_text);
bounds.h = font->getFontHeight();
if (max_width > 0 && bounds.w > max_width) {
temp_text = font->trimTextToWidth(text, max_width, true);
bounds.w = font->calc_width(temp_text);
}
image = render_device->createImage(bounds.w, bounds.h);
if (!image) return;
font->renderShadowed(temp_text, 0, 0, JUSTIFY_LEFT, image, 0, color);
label = image->createSprite();
image->unref();
applyOffsets();
}
/**
* A shortcut function to set all attributes simultaneously.
*/
void WidgetLabel::set(int _x, int _y, int _justify, int _valign, const std::string& _text, const Color& _color, const std::string& _font) {
bool changed = false;
bool changed_pos = false;
if (justify != _justify) {
justify = _justify;
changed = true;
}
if (valign != _valign) {
valign = _valign;
changed = true;
}
if (text != _text) {
text = _text;
changed = true;
}
if (color.r != _color.r || color.g != _color.g || color.b != _color.b) {
color = _color;
changed = true;
}
if (pos.x != _x) {
pos.x = _x;
changed_pos = true;
}
if (pos.y != _y) {
pos.y = _y;
changed_pos = true;
}
if (font_style != _font) {
font_style = _font;
changed = true;
}
if (changed) {
recacheTextSprite();
}
else if (changed_pos) {
applyOffsets();
}
}
/**
* We buffer the rendered text instead of calculating it each frame
* This function refreshes the buffer.
*/
void WidgetLabel::recacheTextSprite() {
Image *image;
if (label) {
delete label;
label = NULL;
}
font->setFont(font_style);
bounds.w = font->calc_width(text);
bounds.h = font->getFontHeight();
image = render_device->createImage(bounds.w, bounds.h);
if (!image) return;
font->renderShadowed(text, 0, 0, JUSTIFY_LEFT, image, color);
label = image->createSprite();
image->unref();
applyOffsets();
}
void WidgetLabel::setPos(int offset_x, int offset_y) {
Widget::setPos(offset_x, offset_y);
applyOffsets();
}
/**
* Set initial Y position of label.
*/
void WidgetLabel::setY(int _y) {
if (pos.y != _y) {
pos.y = _y;
applyOffsets();
}
}
/**
* Set initial X position of label.
*/
void WidgetLabel::setX(int _x) {
if (pos.x != _x) {
pos.x = _x;
applyOffsets();
}
}
