[1046] | 1 | /*
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| 2 | * gdipluspen.h
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| 3 | *
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| 4 | * GDI+ Pen class
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| 5 | *
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| 6 | * This file is part of the w32api package.
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| 7 | *
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| 8 | * Contributors:
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| 9 | * Created by Markus Koenig <markus@stber-koenig.de>
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| 10 | *
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| 11 | * THIS SOFTWARE IS NOT COPYRIGHTED
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| 12 | *
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| 13 | * This source code is offered for use in the public domain. You may
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| 14 | * use, modify or distribute it freely.
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| 15 | *
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| 16 | * This code is distributed in the hope that it will be useful but
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| 17 | * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
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| 18 | * DISCLAIMED. This includes but is not limited to warranties of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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| 20 | *
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| 21 | */
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| 22 |
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| 23 | #ifndef __GDIPLUS_PEN_H
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| 24 | #define __GDIPLUS_PEN_H
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| 25 | #if __GNUC__ >=3
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| 26 | #pragma GCC system_header
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| 27 | #endif
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| 28 |
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| 29 | #ifndef __cplusplus
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| 30 | #error "A C++ compiler is required to include gdipluspen.h."
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| 31 | #endif
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| 32 |
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| 33 | class Pen: public GdiplusBase
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| 34 | {
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| 35 | friend class Graphics;
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| 36 | friend class GraphicsPath;
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| 37 |
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| 38 | public:
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| 39 | Pen(const Color& color, REAL width = 1.0f):
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| 40 | nativePen(NULL), lastStatus(Ok)
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| 41 | {
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| 42 | lastStatus = DllExports::GdipCreatePen1(
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| 43 | color.GetValue(), width, UnitWorld,
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| 44 | &nativePen);
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| 45 | }
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| 46 | Pen(const Brush *brush, REAL width = 1.0f):
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| 47 | nativePen(NULL), lastStatus(Ok)
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| 48 | {
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| 49 | lastStatus = DllExports::GdipCreatePen2(
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| 50 | brush ? brush->nativeBrush : NULL,
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| 51 | width, UnitWorld, &nativePen);
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| 52 | }
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| 53 | ~Pen()
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| 54 | {
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| 55 | DllExports::GdipDeletePen(nativePen);
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| 56 | }
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| 57 | Pen* Clone() const
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| 58 | {
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| 59 | GpPen *clonePen = NULL;
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| 60 | Status status = updateStatus(DllExports::GdipClonePen(
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| 61 | nativePen, &clonePen));
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| 62 | if (status == Ok) {
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| 63 | Pen *result = new Pen(clonePen, lastStatus);
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| 64 | if (!result) {
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| 65 | DllExports::GdipDeletePen(clonePen);
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| 66 | lastStatus = OutOfMemory;
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| 67 | }
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| 68 | return result;
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| 69 | } else {
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| 70 | return NULL;
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| 71 | }
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| 72 | }
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| 73 |
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| 74 | PenAlignment GetAlignment() const
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| 75 | {
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| 76 | PenAlignment result = PenAlignmentCenter;
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| 77 | updateStatus(DllExports::GdipGetPenMode(nativePen, &result));
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| 78 | return result;
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| 79 | }
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| 80 | // TODO: implement Pen::GetBrush()
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| 81 | //Brush *GetBrush() const
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| 82 | //{
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| 83 | // // where is the pen brush allocated (static,member,new,other)?
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| 84 | // // GdipGetPenBrushFill just returns a GpBrush*
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| 85 | // updateStatus(NotImplemented);
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| 86 | // return NULL;
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| 87 | //}
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| 88 | Status GetColor(Color *color) const
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| 89 | {
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| 90 | return updateStatus(DllExports::GdipGetPenColor(
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| 91 | nativePen, color ? &color->Value : NULL));
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| 92 | }
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| 93 | Status GetCompoundArray(REAL *compoundArray, INT count) const
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| 94 | {
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| 95 | return updateStatus(DllExports::GdipGetPenCompoundArray(
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| 96 | nativePen, compoundArray, count));
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| 97 | }
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| 98 | INT GetCompoundArrayCount() const
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| 99 | {
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| 100 | INT result = 0;
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| 101 | updateStatus(DllExports::GdipGetPenCompoundCount(
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| 102 | nativePen, &result));
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| 103 | return result;
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| 104 | }
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| 105 | Status GetCustomEndCap(CustomLineCap *customCap) const
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| 106 | {
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| 107 | if (!customCap) return lastStatus = InvalidParameter;
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| 108 | // FIXME: do we need to call GdipDeleteCustomLineCap first?
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| 109 | return updateStatus(DllExports::GdipGetPenCustomEndCap(
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| 110 | nativePen, &customCap->nativeCustomLineCap));
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| 111 | }
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| 112 | Status GetCustomStartCap(CustomLineCap *customCap) const
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| 113 | {
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| 114 | if (!customCap) return lastStatus = InvalidParameter;
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| 115 | // FIXME: do we need to call GdipDeleteCustomLineCap first?
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| 116 | return updateStatus(DllExports::GdipGetPenCustomStartCap(
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| 117 | nativePen, &customCap->nativeCustomLineCap));
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| 118 | }
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| 119 | DashCap GetDashCap() const
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| 120 | {
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| 121 | DashCap result = DashCapFlat;
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| 122 | updateStatus(DllExports::GdipGetPenDashCap197819(
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| 123 | nativePen, &result));
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| 124 | return result;
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| 125 | }
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| 126 | REAL GetDashOffset() const
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| 127 | {
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| 128 | REAL result = 0.0f;
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| 129 | updateStatus(DllExports::GdipGetPenDashOffset(
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| 130 | nativePen, &result));
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| 131 | return result;
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| 132 | }
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| 133 | Status GetDashPattern(REAL *dashArray, INT count) const
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| 134 | {
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| 135 | return updateStatus(DllExports::GdipGetPenDashArray(
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| 136 | nativePen, dashArray, count));
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| 137 | }
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| 138 | INT GetDashPatternCount() const
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| 139 | {
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| 140 | INT result = 0;
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| 141 | updateStatus(DllExports::GdipGetPenDashCount(
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| 142 | nativePen, &result));
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| 143 | return result;
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| 144 | }
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| 145 | DashStyle GetDashStyle() const
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| 146 | {
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| 147 | DashStyle result = DashStyleSolid;
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| 148 | updateStatus(DllExports::GdipGetPenDashStyle(
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| 149 | nativePen, &result));
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| 150 | return result;
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| 151 | }
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| 152 | LineCap GetEndCap() const
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| 153 | {
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| 154 | LineCap result = LineCapFlat;
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| 155 | updateStatus(DllExports::GdipGetPenEndCap(nativePen, &result));
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| 156 | return result;
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| 157 | }
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| 158 | Status GetLastStatus() const
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| 159 | {
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| 160 | Status result = lastStatus;
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| 161 | lastStatus = Ok;
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| 162 | return result;
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| 163 | }
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| 164 | LineJoin GetLineJoin() const
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| 165 | {
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| 166 | LineJoin result = LineJoinMiter;
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| 167 | updateStatus(DllExports::GdipGetPenLineJoin(
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| 168 | nativePen, &result));
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| 169 | return result;
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| 170 | }
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| 171 | REAL GetMiterLimit() const
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| 172 | {
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| 173 | REAL result = 10.0f;
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| 174 | updateStatus(DllExports::GdipGetPenMiterLimit(
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| 175 | nativePen, &result));
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| 176 | return result;
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| 177 | }
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| 178 | PenType GetPenType() const
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| 179 | {
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| 180 | PenType result = PenTypeUnknown;
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| 181 | updateStatus(DllExports::GdipGetPenFillType(
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| 182 | nativePen, &result));
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| 183 | return result;
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| 184 | }
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| 185 | LineCap GetStartCap() const
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| 186 | {
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| 187 | LineCap result = LineCapFlat;
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| 188 | updateStatus(DllExports::GdipGetPenStartCap(
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| 189 | nativePen, &result));
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| 190 | return result;
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| 191 | }
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| 192 | Status GetTransform(Matrix *matrix) const
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| 193 | {
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| 194 | return updateStatus(DllExports::GdipGetPenTransform(
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| 195 | nativePen,
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| 196 | matrix ? matrix->nativeMatrix : NULL));
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| 197 | }
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| 198 | REAL GetWidth() const
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| 199 | {
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| 200 | REAL result = 1.0f;
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| 201 | updateStatus(DllExports::GdipGetPenWidth(nativePen, &result));
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| 202 | return result;
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| 203 | }
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| 204 | Status MultiplyTransform(const Matrix *matrix,
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| 205 | MatrixOrder order = MatrixOrderPrepend)
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| 206 | {
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| 207 | return updateStatus(DllExports::GdipMultiplyPenTransform(
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| 208 | nativePen,
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| 209 | matrix ? matrix->nativeMatrix : NULL, order));
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| 210 | }
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| 211 | Status ResetTransform()
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| 212 | {
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| 213 | return updateStatus(DllExports::GdipResetPenTransform(
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| 214 | nativePen));
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| 215 | }
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| 216 | Status RotateTransform(REAL angle,
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| 217 | MatrixOrder order = MatrixOrderPrepend)
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| 218 | {
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| 219 | return updateStatus(DllExports::GdipRotatePenTransform(
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| 220 | nativePen, angle, order));
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| 221 | }
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| 222 | Status ScaleTransform(REAL sx, REAL sy,
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| 223 | MatrixOrder order = MatrixOrderPrepend)
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| 224 | {
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| 225 | return updateStatus(DllExports::GdipScalePenTransform(
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| 226 | nativePen, sx, sy, order));
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| 227 | }
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| 228 | Status SetAlignment(PenAlignment penAlignment)
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| 229 | {
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| 230 | return updateStatus(DllExports::GdipSetPenMode(
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| 231 | nativePen, penAlignment));
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| 232 | }
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| 233 | Status SetBrush(const Brush *brush)
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| 234 | {
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| 235 | return updateStatus(DllExports::GdipSetPenBrushFill(
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| 236 | nativePen, brush ? brush->nativeBrush : NULL));
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| 237 | }
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| 238 | Status SetColor(const Color& color)
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| 239 | {
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| 240 | return updateStatus(DllExports::GdipSetPenColor(
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| 241 | nativePen, color.GetValue()));
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| 242 | }
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| 243 | Status SetCompoundArray(const REAL *compoundArray, INT count)
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| 244 | {
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| 245 | return updateStatus(DllExports::GdipSetPenCompoundArray(
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| 246 | nativePen, compoundArray, count));
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| 247 | }
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| 248 | Status SetCustomEndCap(const CustomLineCap *customCap)
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| 249 | {
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| 250 | return updateStatus(DllExports::GdipSetPenCustomEndCap(
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| 251 | nativePen,
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| 252 | customCap ? customCap->nativeCustomLineCap : NULL));
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| 253 | }
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| 254 | Status SetCustomStartCap(const CustomLineCap *customCap)
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| 255 | {
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| 256 | return updateStatus(DllExports::GdipSetPenCustomStartCap(
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| 257 | nativePen,
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| 258 | customCap ? customCap->nativeCustomLineCap : NULL));
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| 259 | }
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| 260 | Status SetDashCap(DashCap dashCap)
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| 261 | {
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| 262 | return updateStatus(DllExports::GdipSetPenDashCap197819(
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| 263 | nativePen, dashCap));
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| 264 | }
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| 265 | Status SetDashOffset(REAL dashOffset)
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| 266 | {
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| 267 | return updateStatus(DllExports::GdipSetPenDashOffset(
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| 268 | nativePen, dashOffset));
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| 269 | }
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| 270 | Status SetDashPattern(const REAL *dashArray, INT count)
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| 271 | {
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| 272 | return updateStatus(DllExports::GdipSetPenDashArray(
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| 273 | nativePen, dashArray, count));
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| 274 | }
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| 275 | Status SetDashStyle(DashStyle dashStyle)
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| 276 | {
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| 277 | return updateStatus(DllExports::GdipSetPenDashStyle(
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| 278 | nativePen, dashStyle));
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| 279 | }
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| 280 | Status SetEndCap(LineCap endCap)
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| 281 | {
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| 282 | return updateStatus(DllExports::GdipSetPenEndCap(
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| 283 | nativePen, endCap));
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| 284 | }
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| 285 | Status SetLineCap(LineCap startCap, LineCap endCap, DashCap dashCap)
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| 286 | {
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| 287 | return updateStatus(DllExports::GdipSetPenLineCap197819(
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| 288 | nativePen, startCap, endCap, dashCap));
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| 289 | }
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| 290 | Status SetLineJoin(LineJoin lineJoin)
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| 291 | {
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| 292 | return updateStatus(DllExports::GdipSetPenLineJoin(
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| 293 | nativePen, lineJoin));
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| 294 | }
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| 295 | Status SetMiterLimit(REAL miterLimit)
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| 296 | {
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| 297 | return updateStatus(DllExports::GdipSetPenMiterLimit(
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| 298 | nativePen, miterLimit));
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| 299 | }
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| 300 | Status SetStartCap(LineCap startCap)
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| 301 | {
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| 302 | return updateStatus(DllExports::GdipSetPenStartCap(
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| 303 | nativePen, startCap));
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| 304 | }
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| 305 | Status SetTransform(const Matrix *matrix)
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| 306 | {
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| 307 | return updateStatus(DllExports::GdipSetPenTransform(
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| 308 | nativePen,
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| 309 | matrix ? matrix->nativeMatrix : NULL));
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| 310 | }
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| 311 | Status SetWidth(REAL width)
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| 312 | {
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| 313 | return updateStatus(DllExports::GdipSetPenWidth(
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| 314 | nativePen, width));
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| 315 | }
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| 316 | Status TranslateTransform(REAL dx, REAL dy,
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| 317 | MatrixOrder order = MatrixOrderPrepend)
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| 318 | {
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| 319 | return updateStatus(DllExports::GdipTranslatePenTransform(
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| 320 | nativePen, dx, dy, order));
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| 321 | }
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| 322 |
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| 323 | private:
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| 324 | Pen(GpPen *pen, Status status): nativePen(pen), lastStatus(status) {}
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| 325 | Pen(const Pen& pen);
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| 326 | Pen& operator=(const Pen&);
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| 327 |
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| 328 | Status updateStatus(Status newStatus) const
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| 329 | {
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| 330 | if (newStatus != Ok) lastStatus = newStatus;
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| 331 | return newStatus;
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| 332 | }
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| 333 |
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| 334 | GpPen *nativePen;
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| 335 | mutable Status lastStatus;
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| 336 | };
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| 337 |
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| 338 | #endif /* __GDIPLUS_PEN_H */
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