Allow floating point text positioning.

1 files changed, 27 insertions, 24 deletions

diff --git a/include/Platform.h b/include/Platform.h
index b0f3de0dc..d4c6bbfec 100644
--- a/include/Platform.h
+++ b/include/Platform.h
@@ -9,6 +9,9 @@
 #ifndef PLATFORM_H
 #define PLATFORM_H
 
+#define XYPOSITION float
+//#define XYPOSITION int
+
 // PLAT_GTK = GTK+ on Linux or Win32
 // PLAT_GTK_WIN32 is defined additionally when running PLAT_GTK under Win32
 // PLAT_WIN = Win32 API on Win32 OS
@@ -76,10 +79,10 @@ typedef void *IdlerID;
  */
 class Point {
 public:
-	int x;
-	int y;
+	XYPOSITION x;
+	XYPOSITION y;
 
-	explicit Point(int x_=0, int y_=0) : x(x_), y(y_) {
+	explicit Point(XYPOSITION x_=0, XYPOSITION y_=0) : x(x_), y(y_) {
 	}
 
 	// Other automatically defined methods (assignment, copy constructor, destructor) are fine
@@ -94,12 +97,12 @@ public:
  */
 class PRectangle {
 public:
-	int left;
-	int top;
-	int right;
-	int bottom;
+	XYPOSITION left;
+	XYPOSITION top;
+	XYPOSITION right;
+	XYPOSITION bottom;
 
-	PRectangle(int left_=0, int top_=0, int right_=0, int bottom_ = 0) :
+	PRectangle(XYPOSITION left_=0, XYPOSITION top_=0, XYPOSITION right_=0, XYPOSITION bottom_ = 0) :
 		left(left_), top(top_), right(right_), bottom(bottom_) {
 	}
 
@@ -121,14 +124,14 @@ public:
 		return (right > other.left) && (left < other.right) &&
 			(bottom > other.top) && (top < other.bottom);
 	}
-	void Move(int xDelta, int yDelta) {
+	void Move(XYPOSITION xDelta, XYPOSITION yDelta) {
 		left += xDelta;
 		top += yDelta;
 		right += xDelta;
 		bottom += yDelta;
 	}
-	int Width() { return right - left; }
-	int Height() { return bottom - top; }
+	XYPOSITION Width() { return right - left; }
+	XYPOSITION Height() { return bottom - top; }
 	bool Empty() {
 		return (Height() <= 0) || (Width() <= 0);
 	}
@@ -300,7 +303,7 @@ public:
 	Font();
 	virtual ~Font();
 
-	virtual void Create(const char *faceName, int characterSet, int size,
+	virtual void Create(const char *faceName, int characterSet, float size,
 		bool bold, bool italic, int extraFontFlag=0);
 	virtual void Release();
 
@@ -349,18 +352,18 @@ public:
 	virtual void Ellipse(PRectangle rc, ColourAllocated fore, ColourAllocated back)=0;
 	virtual void Copy(PRectangle rc, Point from, Surface &surfaceSource)=0;
 
-	virtual void DrawTextNoClip(PRectangle rc, Font &font_, int ybase, const char *s, int len, ColourAllocated fore, ColourAllocated back)=0;
-	virtual void DrawTextClipped(PRectangle rc, Font &font_, int ybase, const char *s, int len, ColourAllocated fore, ColourAllocated back)=0;
-	virtual void DrawTextTransparent(PRectangle rc, Font &font_, int ybase, const char *s, int len, ColourAllocated fore)=0;
-	virtual void MeasureWidths(Font &font_, const char *s, int len, int *positions)=0;
-	virtual int WidthText(Font &font_, const char *s, int len)=0;
-	virtual int WidthChar(Font &font_, char ch)=0;
-	virtual int Ascent(Font &font_)=0;
-	virtual int Descent(Font &font_)=0;
-	virtual int InternalLeading(Font &font_)=0;
-	virtual int ExternalLeading(Font &font_)=0;
-	virtual int Height(Font &font_)=0;
-	virtual int AverageCharWidth(Font &font_)=0;
+	virtual void DrawTextNoClip(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, ColourAllocated fore, ColourAllocated back)=0;
+	virtual void DrawTextClipped(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, ColourAllocated fore, ColourAllocated back)=0;
+	virtual void DrawTextTransparent(PRectangle rc, Font &font_, XYPOSITION ybase, const char *s, int len, ColourAllocated fore)=0;
+	virtual void MeasureWidths(Font &font_, const char *s, int len, XYPOSITION *positions)=0;
+	virtual XYPOSITION WidthText(Font &font_, const char *s, int len)=0;
+	virtual XYPOSITION WidthChar(Font &font_, char ch)=0;
+	virtual XYPOSITION Ascent(Font &font_)=0;
+	virtual XYPOSITION Descent(Font &font_)=0;
+	virtual XYPOSITION InternalLeading(Font &font_)=0;
+	virtual XYPOSITION ExternalLeading(Font &font_)=0;
+	virtual XYPOSITION Height(Font &font_)=0;
+	virtual XYPOSITION AverageCharWidth(Font &font_)=0;
 
 	virtual int SetPalette(Palette *pal, bool inBackGround)=0;
 	virtual void SetClip(PRectangle rc)=0;