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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