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      1 /*
      2  * gdipluslinecaps.h
      3  *
      4  * GDI+ AdjustableArrowCap class
      5  *
      6  * This file is part of the w32api package.
      7  *
      8  * Contributors:
      9  *   Created by Markus Koenig <markus (at) stber-koenig.de>
     10  *
     11  * THIS SOFTWARE IS NOT COPYRIGHTED
     12  *
     13  * This source code is offered for use in the public domain. You may
     14  * use, modify or distribute it freely.
     15  *
     16  * This code is distributed in the hope that it will be useful but
     17  * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
     18  * DISCLAIMED. This includes but is not limited to warranties of
     19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
     20  *
     21  */
     22 
     23 #ifndef __GDIPLUS_LINECAPS_H
     24 #define __GDIPLUS_LINECAPS_H
     25 #if __GNUC__ >=3
     26 #pragma GCC system_header
     27 #endif
     28 
     29 #ifndef __cplusplus
     30 #error "A C++ compiler is required to include gdipluslinecaps.h."
     31 #endif
     32 
     33 class AdjustableArrowCap: public CustomLineCap
     34 {
     35 public:
     36 	AdjustableArrowCap(REAL height, REAL width, BOOL isFilled):
     37 		CustomLineCap(NULL, Ok)
     38 	{
     39 		GpAdjustableArrowCap *nativeAdjustableArrowCap = NULL;
     40 		lastStatus = DllExports::GdipCreateAdjustableArrowCap(
     41 				height, width, isFilled,
     42 				&nativeAdjustableArrowCap);
     43 		nativeCustomLineCap = nativeAdjustableArrowCap;
     44 	}
     45 	virtual ~AdjustableArrowCap()
     46 	{
     47 	}
     48 	virtual AdjustableArrowCap* Clone() const
     49 	{
     50 		GpCustomLineCap *cloneCustomLineCap = NULL;
     51 		Status status = updateStatus(DllExports::GdipCloneCustomLineCap(
     52 				nativeCustomLineCap, &cloneCustomLineCap));
     53 		if (status == Ok) {
     54 			AdjustableArrowCap *result = new AdjustableArrowCap(
     55 					cloneCustomLineCap, lastStatus);
     56 			if (!result) {
     57 				DllExports::GdipDeleteCustomLineCap(
     58 						cloneCustomLineCap);
     59 				lastStatus = OutOfMemory;
     60 			}
     61 			return result;
     62 		} else {
     63 			return NULL;
     64 		}
     65 	}
     66 
     67 	REAL GetHeight() const
     68 	{
     69 		REAL result = 0.0f;
     70 		updateStatus(DllExports::GdipGetAdjustableArrowCapHeight(
     71 				(GpAdjustableArrowCap*) nativeCustomLineCap,
     72 				&result));
     73 		return result;
     74 	}
     75 	REAL GetMiddleInset() const
     76 	{
     77 		REAL result = 0.0f;
     78 		updateStatus(DllExports::GdipGetAdjustableArrowCapMiddleInset(
     79 				(GpAdjustableArrowCap*) nativeCustomLineCap,
     80 				&result));
     81 		return result;
     82 	}
     83 	REAL GetWidth() const
     84 	{
     85 		REAL result = 0.0f;
     86 		updateStatus(DllExports::GdipGetAdjustableArrowCapWidth(
     87 				(GpAdjustableArrowCap*) nativeCustomLineCap,
     88 				&result));
     89 		return result;
     90 	}
     91 	BOOL IsFilled() const
     92 	{
     93 		BOOL result = FALSE;
     94 		updateStatus(DllExports::GdipGetAdjustableArrowCapFillState(
     95 				(GpAdjustableArrowCap*) nativeCustomLineCap,
     96 				&result));
     97 		return result;
     98 	}
     99 	Status SetFillState(BOOL isFilled)
    100 	{
    101 		return updateStatus(DllExports::GdipSetAdjustableArrowCapFillState(
    102 				(GpAdjustableArrowCap*) nativeCustomLineCap,
    103 				isFilled));
    104 	}
    105 	Status SetHeight(REAL height)
    106 	{
    107 		return updateStatus(DllExports::GdipSetAdjustableArrowCapHeight(
    108 				(GpAdjustableArrowCap*) nativeCustomLineCap,
    109 				height));
    110 	}
    111 	Status SetMiddleInset(REAL middleInset)
    112 	{
    113 		return updateStatus(DllExports::GdipSetAdjustableArrowCapMiddleInset(
    114 				(GpAdjustableArrowCap*) nativeCustomLineCap,
    115 				middleInset));
    116 	}
    117 	Status SetWidth(REAL width)
    118 	{
    119 		return updateStatus(DllExports::GdipSetAdjustableArrowCapWidth(
    120 				(GpAdjustableArrowCap*) nativeCustomLineCap,
    121 				width));
    122 	}
    123 
    124 private:
    125 	AdjustableArrowCap(GpCustomLineCap *customLineCap, Status status):
    126 		CustomLineCap(customLineCap, status) {}
    127 	AdjustableArrowCap(const AdjustableArrowCap&);
    128 	AdjustableArrowCap& operator=(const AdjustableArrowCap&);
    129 };
    130 
    131 #endif /* __GDIPLUS_LINECAPS_H */
    132