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Fix: Viewport signs assume small font is smaller than normal font. (#12422)

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If the small font is set to a larger size than the normal font for some reason, viewport signs would be drawn incorrect as the area marked dirty only considered the normal size font.
master
Peter Nelson 2 months ago committed by GitHub
parent 830c9e2de8
commit b905209421
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GPG Key ID: B5690EEEBB952194
1 changed files with 15 additions and 12 deletions
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27
src/viewport.cpp
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@ -1314,7 +1314,7 @@ void ViewportAddString(const DrawPixelInfo *dpi, ZoomLevel small_from, const Vie
int right = left + dpi->width;
int bottom = top + dpi->height;
int sign_height = ScaleByZoom(WidgetDimensions::scaled.fullbevel.top + GetCharacterHeight(FS_NORMAL) + WidgetDimensions::scaled.fullbevel.bottom, dpi->zoom);
int sign_height = ScaleByZoom(WidgetDimensions::scaled.fullbevel.top + GetCharacterHeight(small ? FS_SMALL : FS_NORMAL) + WidgetDimensions::scaled.fullbevel.bottom, dpi->zoom);
int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, dpi->zoom);
if (bottom < sign->top ||
@ -1338,8 +1338,7 @@ void ViewportAddString(const DrawPixelInfo *dpi, ZoomLevel small_from, const Vie
static Rect ExpandRectWithViewportSignMargins(Rect r, ZoomLevel zoom)
{
/* Pessimistically always use normal font, but also assume small font is never larger in either dimension */
const int fh = GetCharacterHeight(FS_NORMAL);
const int fh = std::max(GetCharacterHeight(FS_NORMAL), GetCharacterHeight(FS_SMALL));
const int max_tw = _viewport_sign_maxwidth / 2 + 1;
const int expand_y = ScaleByZoom(WidgetDimensions::scaled.fullbevel.top + fh + WidgetDimensions::scaled.fullbevel.bottom, zoom);
const int expand_x = ScaleByZoom(WidgetDimensions::scaled.fullbevel.left + max_tw + WidgetDimensions::scaled.fullbevel.right, zoom);
@ -1490,12 +1489,16 @@ void ViewportSign::MarkDirty(ZoomLevel maxzoom) const
{
Rect zoomlevels[ZOOM_LVL_END];
/* We don't know which size will be drawn, so mark the largest area dirty. */
const uint half_width = std::max(this->width_normal, this->width_small) / 2 + 1;
const uint height = WidgetDimensions::scaled.fullbevel.top + std::max(GetCharacterHeight(FS_NORMAL), GetCharacterHeight(FS_SMALL)) + WidgetDimensions::scaled.fullbevel.bottom + 1;
for (ZoomLevel zoom = ZOOM_LVL_BEGIN; zoom != ZOOM_LVL_END; zoom++) {
/* FIXME: This doesn't switch to width_small when appropriate. */
zoomlevels[zoom].left = this->center - ScaleByZoom(this->width_normal / 2 + 1, zoom);
zoomlevels[zoom].left = this->center - ScaleByZoom(half_width, zoom);
zoomlevels[zoom].top = this->top - ScaleByZoom(1, zoom);
zoomlevels[zoom].right = this->center + ScaleByZoom(this->width_normal / 2 + 1, zoom);
zoomlevels[zoom].bottom = this->top + ScaleByZoom(WidgetDimensions::scaled.fullbevel.top + GetCharacterHeight(FS_NORMAL) + WidgetDimensions::scaled.fullbevel.bottom + 1, zoom);
zoomlevels[zoom].right = this->center + ScaleByZoom(half_width, zoom);
zoomlevels[zoom].bottom = this->top + ScaleByZoom(height, zoom);
}
for (const Window *w : Window::Iterate()) {
@ -1709,7 +1712,7 @@ static void ViewportDrawStrings(ZoomLevel zoom, const StringSpriteToDrawVector *
int w = GB(ss.width, 0, 15);
int x = UnScaleByZoom(ss.x, zoom);
int y = UnScaleByZoom(ss.y, zoom);
int h = WidgetDimensions::scaled.fullbevel.top + (small ? GetCharacterHeight(FS_SMALL) : GetCharacterHeight(FS_NORMAL)) + WidgetDimensions::scaled.fullbevel.bottom;
int h = WidgetDimensions::scaled.fullbevel.top + GetCharacterHeight(small ? FS_SMALL : FS_NORMAL) + WidgetDimensions::scaled.fullbevel.bottom;
if (ss.colour != INVALID_COLOUR) {
if (IsTransparencySet(TO_SIGNS) && ss.string_id != STR_WHITE_SIGN) {
@ -2194,7 +2197,7 @@ static bool CheckClickOnViewportSign(const Viewport *vp, int x, int y, const Vie
{
bool small = (vp->zoom >= ZOOM_LVL_OUT_4X);
int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, vp->zoom);
int sign_height = ScaleByZoom(WidgetDimensions::scaled.fullbevel.top + (small ? GetCharacterHeight(FS_SMALL) : GetCharacterHeight(FS_NORMAL)) + WidgetDimensions::scaled.fullbevel.bottom, vp->zoom);
int sign_height = ScaleByZoom(WidgetDimensions::scaled.fullbevel.top + GetCharacterHeight(small ? FS_SMALL : FS_NORMAL) + WidgetDimensions::scaled.fullbevel.bottom, vp->zoom);
return y >= sign->top && y < sign->top + sign_height &&
x >= sign->center - sign_half_width && x < sign->center + sign_half_width;
@ -2296,7 +2299,7 @@ ViewportSignKdtreeItem ViewportSignKdtreeItem::MakeStation(StationID id)
item.top = st->sign.top;
/* Assume the sign can be a candidate for drawing, so measure its width */
_viewport_sign_maxwidth = std::max<int>(_viewport_sign_maxwidth, st->sign.width_normal);
_viewport_sign_maxwidth = std::max<int>({_viewport_sign_maxwidth, st->sign.width_normal, st->sign.width_small});
return item;
}
@ -2313,7 +2316,7 @@ ViewportSignKdtreeItem ViewportSignKdtreeItem::MakeWaypoint(StationID id)
item.top = st->sign.top;
/* Assume the sign can be a candidate for drawing, so measure its width */
_viewport_sign_maxwidth = std::max<int>(_viewport_sign_maxwidth, st->sign.width_normal);
_viewport_sign_maxwidth = std::max<int>({_viewport_sign_maxwidth, st->sign.width_normal, st->sign.width_small});
return item;
}
@ -2330,7 +2333,7 @@ ViewportSignKdtreeItem ViewportSignKdtreeItem::MakeTown(TownID id)
item.top = town->cache.sign.top;
/* Assume the sign can be a candidate for drawing, so measure its width */
_viewport_sign_maxwidth = std::max<int>(_viewport_sign_maxwidth, town->cache.sign.width_normal);
_viewport_sign_maxwidth = std::max<int>({_viewport_sign_maxwidth, town->cache.sign.width_normal, town->cache.sign.width_small});
return item;
}
@ -2347,7 +2350,7 @@ ViewportSignKdtreeItem ViewportSignKdtreeItem::MakeSign(SignID id)
item.top = sign->sign.top;
/* Assume the sign can be a candidate for drawing, so measure its width */
_viewport_sign_maxwidth = std::max<int>(_viewport_sign_maxwidth, sign->sign.width_normal);
_viewport_sign_maxwidth = std::max<int>({_viewport_sign_maxwidth, sign->sign.width_normal, sign->sign.width_small});
return item;
}

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