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Change: Ignore offsets when drawing GUI sprite.

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Peter Nelson 2022-09-23 13:35:32 +01:00 committed by PeterN
parent b5693becdc
commit d0add1e07f
2 changed files with 32 additions and 6 deletions
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1
src/gfx_func.h
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@ -90,6 +90,7 @@ void RedrawScreenRect(int left, int top, int right, int bottom);
void GfxScroll(int left, int top, int width, int height, int xo, int yo);
Dimension GetSpriteSize(SpriteID sprid, Point *offset = nullptr, ZoomLevel zoom = ZOOM_LVL_GUI);
Dimension GetScaledSpriteSize(SpriteID sprid); /* widget.cpp */
void DrawSpriteViewport(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub = nullptr);
void DrawSprite(SpriteID img, PaletteID pal, int x, int y, const SubSprite *sub = nullptr, ZoomLevel zoom = ZOOM_LVL_GUI);
std::unique_ptr<uint32[]> DrawSpriteToRgbaBuffer(SpriteID spriteId, ZoomLevel zoom = ZOOM_LVL_GUI);

37
src/widget.cpp
View File

@ -72,6 +72,19 @@ static inline Dimension ScaleGUITrad(const Dimension &dim)
return {(uint)ScaleGUITrad(dim.width), (uint)ScaleGUITrad(dim.height)};
}
/**
* Scale sprite size for GUI.
* Offset is ignored.
*/
Dimension GetScaledSpriteSize(SpriteID sprid)
{
Point offset;
Dimension d = GetSpriteSize(sprid, &offset, ZOOM_LVL_OUT_4X);
d.width -= offset.x;
d.height -= offset.y;
return ScaleGUITrad(d);
}
/**
* Set up pre-scaled versions of Widget Dimensions.
*/
@ -318,6 +331,17 @@ void DrawFrameRect(int left, int top, int right, int bottom, Colours colour, Fra
}
}
void DrawSpriteIgnorePadding(const Rect &r, SpriteID img, int clicked, StringAlignment align)
{
Point offset;
Dimension d = GetSpriteSize(img, &offset);
d.width -= offset.x;
d.height -= offset.y;
Point p = GetAlignedPosition(r, d, align);
DrawSprite(img, PAL_NONE, p.x + clicked - offset.x, p.y + clicked - offset.y);
}
/**
* Draw an image button.
* @param r Rectangle of the button.
@ -333,9 +357,7 @@ static inline void DrawImageButtons(const Rect &r, WidgetType type, Colours colo
DrawFrameRect(r.left, r.top, r.right, r.bottom, colour, (clicked) ? FR_LOWERED : FR_NONE);
if ((type & WWT_MASK) == WWT_IMGBTN_2 && clicked) img++; // Show different image when clicked for #WWT_IMGBTN_2.
Dimension d = GetSpriteSize(img);
Point p = GetAlignedPosition(r, d, align);
DrawSprite(img, PAL_NONE, p.x + clicked, p.y + clicked);
DrawSpriteIgnorePadding(r, img, clicked, align);
}
/**
@ -645,9 +667,12 @@ static inline void DrawResizeBox(const Rect &r, Colours colour, bool at_left, bo
static inline void DrawCloseBox(const Rect &r, Colours colour)
{
if (colour != COLOUR_WHITE) DrawFrameRect(r.left, r.top, r.right, r.bottom, colour, FR_NONE);
Dimension d = GetSpriteSize(SPR_CLOSEBOX);
int s = UnScaleGUI(1); /* Offset to account for shadow of SPR_CLOSEBOX */
DrawSprite(SPR_CLOSEBOX, (colour != COLOUR_WHITE ? TC_BLACK : TC_SILVER) | (1U << PALETTE_TEXT_RECOLOUR), CenterBounds(r.left, r.right, d.width - s), CenterBounds(r.top, r.bottom, d.height - s));
Point offset;
Dimension d = GetSpriteSize(SPR_CLOSEBOX, &offset);
d.width -= offset.x;
d.height -= offset.y;
int s = ScaleGUITrad(1); /* Offset to account for shadow of SPR_CLOSEBOX */
DrawSprite(SPR_CLOSEBOX, (colour != COLOUR_WHITE ? TC_BLACK : TC_SILVER) | (1U << PALETTE_TEXT_RECOLOUR), CenterBounds(r.left, r.right, d.width - s) - offset.x, CenterBounds(r.top, r.bottom, d.height - s) - offset.y);
}
/**