float CheckBox::CalculateTextScale(const UIContext &dc, float availWidth) const {
float actualWidth, actualHeight;
Bounds availBounds(0, 0, availWidth, bounds_.h);
dc.MeasureTextRect(dc.theme->uiFont, 1.0f, 1.0f, text_.c_str(), (int)text_.size(), availBounds, &actualWidth, &actualHeight, ALIGN_VCENTER);
if (actualWidth > availWidth) {
return std::max(MIN_TEXT_SCALE, availWidth / actualWidth);
}
return 1.0f;
}
void TextView::GetContentDimensionsBySpec(const UIContext &dc, MeasureSpec horiz, MeasureSpec vert, float &w, float &h) const {
Bounds bounds(0, 0, layoutParams_->width, layoutParams_->height);
if (bounds.w < 0) {
// If there's no size, let's grow as big as we want.
bounds.w = horiz.size == 0 ? MAX_ITEM_SIZE : horiz.size;
}
if (bounds.h < 0) {
bounds.h = vert.size == 0 ? MAX_ITEM_SIZE : vert.size;
}
ApplyBoundsBySpec(bounds, horiz, vert);
dc.MeasureTextRect(small_ ? dc.theme->uiFontSmall : dc.theme->uiFont, 1.0f, 1.0f, text_.c_str(), (int)text_.length(), bounds, &w, &h, textAlign_);
}
void Choice::GetContentDimensionsBySpec(const UIContext &dc, MeasureSpec horiz, MeasureSpec vert, float &w, float &h) const {
if (atlasImage_ != -1) {
const AtlasImage &img = dc.Draw()->GetAtlas()->images[atlasImage_];
w = img.w;
h = img.h;
} else {
const int paddingX = 12;
float availWidth = horiz.size - paddingX * 2 - textPadding_.horiz();
if (availWidth < 0.0f) {
// Let it have as much space as it needs.
availWidth = MAX_ITEM_SIZE;
}
float scale = CalculateTextScale(dc, availWidth);
Bounds availBounds(0, 0, availWidth, vert.size);
dc.MeasureTextRect(dc.theme->uiFont, scale, scale, text_.c_str(), (int)text_.size(), availBounds, &w, &h, FLAG_WRAP_TEXT);
}
w += 24;
h += 16;
h = std::max(h, ITEM_HEIGHT);
}
void CheckBox::GetContentDimensions(const UIContext &dc, float &w, float &h) const {
int image = *toggle_ ? dc.theme->checkOn : dc.theme->checkOff;
float imageW, imageH;
dc.Draw()->MeasureImage(image, &imageW, &imageH);
const int paddingX = 12;
// Padding right of the checkbox image too.
float availWidth = bounds_.w - paddingX * 2 - imageW - paddingX;
if (availWidth < 0.0f) {
// Let it have as much space as it needs.
availWidth = MAX_ITEM_SIZE;
}
float scale = CalculateTextScale(dc, availWidth);
float actualWidth, actualHeight;
Bounds availBounds(0, 0, availWidth, bounds_.h);
dc.MeasureTextRect(dc.theme->uiFont, scale, scale, text_.c_str(), (int)text_.size(), availBounds, &actualWidth, &actualHeight, ALIGN_VCENTER | FLAG_WRAP_TEXT);
w = bounds_.w;
h = std::max(actualHeight, ITEM_HEIGHT);
}
