Moved a number of classes for DisplayDriver support into DisplaySupport.h

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8540 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/servers/app/DisplayDriver.h

@@ -41,6 +41,7 @@
 #include "RGBColor.h"
 #include <Region.h>
 #include "PatternHandler.h"
+#include "DisplaySupport.h"
 #include "LayerData.h"
 #include "ServerBitmap.h"
 #include <ft2build.h>
@@ -90,57 +91,6 @@ typedef void (DisplayDriver::* SetHorizontalLineFuncType)(int xstart, int xend,
 typedef void (DisplayDriver::* SetVerticalLineFuncType)(int x, int ystart, int yend);
 typedef void (DisplayDriver::* SetRectangleFuncType)(int left, int top, int right, int bottom);
 
-class LineCalc
-{
-public:
-	LineCalc();
-	LineCalc(const BPoint &pta, const BPoint &ptb);
-	void SetPoints(const BPoint &pta, const BPoint &ptb);
-	float GetX(float y);
-	float GetY(float x);
-	float Slope(void) { return slope; }
-	float Offset(void) { return offset; }
-	float MinX() { return minx; }
-	float MinY() { return miny; }
-	float MaxX() { return maxx; }
-	float MaxY() { return maxy; }
-	void Swap(LineCalc &from);
-	bool ClipToRect(const BRect &rect);
-	BPoint GetStart() { return start; }
-	BPoint GetEnd() { return end; }
-private:
-	float slope;
-	float offset;
-	BPoint start, end;
-	float minx;
-	float miny;
-	float maxx;
-	float maxy;
-};
-
-/*!
-	\class FBBitmap DisplayDriver.h
-	\brief Class used for easily passing around information about the framebuffer
-*/
-class FBBitmap : public ServerBitmap
-{
-public:
-	FBBitmap(void) : ServerBitmap(BRect(0,0,0,0),B_NO_COLOR_SPACE,0) { }
-	~FBBitmap(void) { }
-	void SetBytesPerRow(const int32 &bpr) { _bytesperrow=bpr; }
-	void SetSpace(const color_space &space) { _space=space; }
-	
-	// WARNING: - for some reason ServerBitmap adds 1 to the width and height. We do that also.
-	void SetSize(const int32 &w, const int32 &h) { _width=w+1; _height=h+1; }
-	void SetBuffer(void *ptr) { _buffer=(uint8*)ptr; }
-	void SetBitsPerPixel(color_space space,int32 bytesperline) { _HandleSpace(space,bytesperline); }
-	void ShallowCopy(const FBBitmap *from)
-	{
-		ServerBitmap::ShallowCopy((ServerBitmap*)from);
-		SetBuffer(from->Bits());
-	}
-};
-
 /*!
 	\class DisplayDriver DisplayDriver.h
 	\brief Mostly abstract class which handles all graphics output for the server.

headers/private/servers/app/DisplaySupport.h

@@ -0,0 +1,131 @@
+#ifndef DDRIVER_SUPPORT_H_
+#define DDRIVER_SUPPORT_H_
+
+#include <Rect.h>
+#include <List.h>
+#include "ServerBitmap.h"
+
+class BezierCurve
+{
+public:
+	BezierCurve(BPoint* pts);
+	~BezierCurve();
+	BPoint* GetPointArray();
+	BList points;
+private:
+	int GeneratePoints(int startPos);
+	BPoint* pointArray;
+};
+
+struct integer_rect
+{
+	int32 x;
+	int32 y;
+	int32 w;
+	int32 h;
+};
+
+struct integer_scaling_info
+{
+	int32 k;
+};
+
+static inline void BRect_to_integer_rect(BRect source_rect, integer_rect &dest_rect)
+{
+	dest_rect.x = (int32)source_rect.left;
+	dest_rect.y = (int32)source_rect.top;
+	dest_rect.w = (int32)(source_rect.right - source_rect.left) + 1;
+	dest_rect.h = (int32)(source_rect.bottom - source_rect.top) + 1;
+}
+
+static inline integer_rect BRect_to_integer_rect(BRect source_rect)
+{
+	integer_rect dest_rect;
+	dest_rect.x = (int32)source_rect.left;
+	dest_rect.y = (int32)source_rect.top;
+	dest_rect.w = (int32)(source_rect.right - source_rect.left) + 1;
+	dest_rect.h = (int32)(source_rect.bottom - source_rect.top) + 1;
+	return dest_rect;
+}
+
+class Blitter
+{
+public:
+	Blitter();
+	void draw_8_to_8(uint8 *src, uint8 *dst, int32 width, int32 xscale_position, int32 xscale_factor);
+	void draw_8_to_16(uint8 *src, uint8 *dst, int32 width, int32 xscale_position, int32 xscale_factor);
+	void draw_8_to_32(uint8 *src, uint8 *dst, int32 width, int32 xscale_position, int32 xscale_factor);
+	
+	void draw_16_to_8(uint8 *src, uint8 *dst, int32 width, int32 xscale_position, int32 xscale_factor);
+	void draw_16_to_16(uint8 *src, uint8 *dst, int32 width, int32 xscale_position, int32 xscale_factor);
+	void draw_16_to_32(uint8 *src, uint8 *dst, int32 width, int32 xscale_position, int32 xscale_factor);
+	
+	void draw_32_to_8(uint8 *src, uint8 *dst, int32 width, int32 xscale_position, int32 xscale_factor);
+	void draw_32_to_16(uint8 *src, uint8 *dst, int32 width, int32 xscale_position, int32 xscale_factor);
+	void draw_32_to_32(uint8 *src, uint8 *dst, int32 width, int32 xscale_position, int32 xscale_factor);
+	
+	void draw_none(uint8 *src, uint8 *dst, int32 width, int32 xscale_position, int32 xscale_factor) {}
+	void Draw(uint8 *src, uint8 *dst, int32 width, int32 xscale_position, int32 xscale_factor);
+	
+	void Select(int32 source_bits_per_pixel, int32 dest_bits_per_pixel);
+	
+	drawing_mode GetDrawMode() const { return mode; }
+	void SetDrawMode(drawing_mode draw_mode) { mode = draw_mode; }
+	
+private:
+	void (Blitter::*DrawFunc)(uint8 *src, uint8 *dst, int32 width, int32 xscale_position, int32 xscale_factor);
+	drawing_mode mode;
+};
+
+class LineCalc
+{
+public:
+	LineCalc();
+	LineCalc(const BPoint &pta, const BPoint &ptb);
+	void SetPoints(const BPoint &pta, const BPoint &ptb);
+	float GetX(float y);
+	float GetY(float x);
+	float Slope(void) { return slope; }
+	float Offset(void) { return offset; }
+	float MinX() { return minx; }
+	float MinY() { return miny; }
+	float MaxX() { return maxx; }
+	float MaxY() { return maxy; }
+	void Swap(LineCalc &from);
+	bool ClipToRect(const BRect &rect);
+	BPoint GetStart() { return start; }
+	BPoint GetEnd() { return end; }
+private:
+	float slope;
+	float offset;
+	BPoint start, end;
+	float minx;
+	float miny;
+	float maxx;
+	float maxy;
+};
+
+/*!
+	\class FBBitmap DisplayDriver.h
+	\brief Class used for easily passing around information about the framebuffer
+*/
+class FBBitmap : public ServerBitmap
+{
+public:
+	FBBitmap(void) : ServerBitmap(BRect(0,0,0,0),B_NO_COLOR_SPACE,0) { }
+	~FBBitmap(void) { }
+	void SetBytesPerRow(const int32 &bpr) { _bytesperrow=bpr; }
+	void SetSpace(const color_space &space) { _space=space; }
+	
+	// WARNING: - for some reason ServerBitmap adds 1 to the width and height. We do that also.
+	void SetSize(const int32 &w, const int32 &h) { _width=w+1; _height=h+1; }
+	void SetBuffer(void *ptr) { _buffer=(uint8*)ptr; }
+	void SetBitsPerPixel(color_space space,int32 bytesperline) { _HandleSpace(space,bytesperline); }
+	void ShallowCopy(const FBBitmap *from)
+	{
+		ServerBitmap::ShallowCopy((ServerBitmap*)from);
+		SetBuffer(from->Bits());
+	}
+};
+
+#endif