1 | #ifndef AW_DEVICE_HXX |
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2 | #define AW_DEVICE_HXX |
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3 | |
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4 | #ifndef AW_POSITION_HXX |
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5 | #include <aw_position.hxx> |
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6 | #endif |
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7 | #ifndef ATTRIBUTES_H |
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8 | #include <attributes.h> |
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9 | #endif |
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10 | #ifndef ARBTOOLS_H |
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11 | #include <arbtools.h> |
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12 | #endif |
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13 | #ifndef _GLIBCXX_ALGORITHM |
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14 | #include <algorithm> |
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15 | #endif |
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16 | #ifndef _LIMITS_H |
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17 | #include <limits.h> |
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18 | #endif |
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19 | |
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20 | #if defined(DEBUG) && defined(DEBUG_GRAPHICS) |
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21 | // if you want flush() to be called after every motif command : |
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22 | #define AUTO_FLUSH(device) (device)->flush() |
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23 | #else |
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24 | #define AUTO_FLUSH(device) |
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25 | #endif |
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26 | |
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27 | #define AW_INT(x) ((int)(((x)>=0.0) ? ((float)(x)+.5) : ((float)(x)-.5))) |
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28 | |
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29 | // #define AW_PIXELS_PER_MM 1.0001 // stupid and wrong |
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30 | |
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31 | #define DPI_SCREEN 80 // fixed |
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32 | #define DPI_PRINTER 1200 // default resolution of xfig 3.2 |
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33 | |
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34 | const AW_bitset AW_SCREEN = 1; |
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35 | const AW_bitset AW_CLICK = 2; |
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36 | const AW_bitset AW_CLICK_DROP = 4; |
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37 | const AW_bitset AW_SIZE = 8; |
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38 | const AW_bitset AW_SIZE_UNSCALED = 16; // for text and text-size dependant parts |
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39 | const AW_bitset AW_PRINTER = 32; // print/xfig-export |
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40 | const AW_bitset AW_PRINTER_EXT = 64; // (+Handles) use combined with AW_PRINTER only |
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41 | const AW_bitset AW_PRINTER_CLIP = 128; // print screen only |
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42 | |
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43 | const AW_bitset AW_ALL_DEVICES = (AW_bitset)-1; // @@@ allowed to used this ? |
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44 | const AW_bitset AW_ALL_DEVICES_SCALED = (AW_ALL_DEVICES & ~AW_SIZE_UNSCALED); |
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45 | const AW_bitset AW_ALL_DEVICES_UNSCALED = (AW_ALL_DEVICES & ~AW_SIZE); |
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46 | |
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47 | enum AW_DEVICE_TYPE { |
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48 | AW_DEVICE_SCREEN = AW_SCREEN, |
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49 | AW_DEVICE_CLICK = AW_CLICK, |
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50 | AW_DEVICE_SIZE = AW_SIZE, |
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51 | AW_DEVICE_PRINTER = AW_PRINTER, |
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52 | }; |
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53 | |
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54 | enum { |
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55 | AW_FIXED = -1, |
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56 | AW_TIMES = 0, |
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57 | AW_TIMES_ITALIC = 1, |
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58 | AW_TIMES_BOLD = 2, |
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59 | AW_TIMES_BOLD_ITALIC = 3, |
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60 | |
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61 | AW_COURIER = 12, |
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62 | AW_COURIER_OBLIQUE = 13, |
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63 | AW_COURIER_BOLD = 14, |
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64 | AW_COURIER_BOLD_OBLIQUE = 15, |
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65 | |
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66 | AW_HELVETICA = 16, |
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67 | AW_HELVETICA_OBLIQUE = 17, |
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68 | AW_HELVETICA_BOLD = 18, |
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69 | AW_HELVETICA_BOLD_OBLIQUE = 19, |
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70 | AW_HELVETICA_NARROW = 20, |
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71 | AW_HELVETICA_NARROW_OBLIQUE = 21, |
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72 | AW_HELVETICA_NARROW_BOLD = 22, |
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73 | AW_HELVETICA_NARROW_BOLD_OBLIQUE = 23, |
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74 | |
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75 | AW_LUCIDA_SANS = 35, |
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76 | AW_LUCIDA_SANS_OBLIQUE = 36, |
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77 | AW_LUCIDA_SANS_BOLD = 37, |
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78 | AW_LUCIDA_SANS_BOLD_OBLIQUE = 38, |
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79 | AW_LUCIDA_SANS_TYPEWRITER = 39, |
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80 | AW_LUCIDA_SANS_TYPEWRITER_BOLD = 40, |
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81 | AW_SCREEN_MEDIUM = 41, |
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82 | AW_SCREEN_BOLD = 42, |
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83 | AW_CLEAN_MEDIUM = 43, |
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84 | AW_CLEAN_BOLD = 44, |
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85 | AW_TERMINAL_MEDIUM = 45, |
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86 | AW_TERMINAL_BOLD = 46, |
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87 | |
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88 | AW_NUM_FONTS = 63, |
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89 | AW_NUM_FONTS_XFIG = 35, // immutable |
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90 | |
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91 | AW_DEFAULT_NORMAL_FONT = AW_LUCIDA_SANS, |
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92 | AW_DEFAULT_BOLD_FONT = AW_LUCIDA_SANS_BOLD, |
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93 | AW_DEFAULT_FIXED_FONT = AW_LUCIDA_SANS_TYPEWRITER, |
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94 | }; |
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95 | |
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96 | enum AW_cursor_type { |
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97 | AW_cursor_insert, |
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98 | AW_cursor_overwrite |
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99 | }; |
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100 | |
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101 | // -------------------------------------------------- |
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102 | // general note on world- vs. pixel-positions:(WORLD_vs_PIXEL) |
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103 | // |
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104 | // A position is interpreted as the center of the corresponding pixel |
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105 | // (pixel refers to screen; printer pixel are 15 times smaller!) |
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106 | // |
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107 | // Hence, when scaling factor is 1.0, then |
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108 | // - any position inside [-0.5, 0.5[ will fall into the pixel 0, any inside [0.5, 1.5[ into pixel 1. |
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109 | // - a line from 0.0 to 2.0 will paint THREE pixels (0, 1 and 2). A line from -0.5 to 2.499 will to the same |
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110 | // - clipping to area [0, 100] should in fact clip to [-0.5, 100.5[ (@@@ check this) |
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111 | |
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112 | class AW_zoomable { |
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113 | AW::Vector offset; |
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114 | AW_pos scale; |
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115 | AW_pos unscale; // = 1.0/scale |
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116 | |
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117 | public: |
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118 | AW_zoomable() { this->reset(); }; |
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119 | virtual ~AW_zoomable() {} |
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120 | |
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121 | void zoom(AW_pos scale); |
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122 | |
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123 | AW_pos get_scale() const { return scale; }; |
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124 | AW_pos get_unscale() const { return unscale; }; |
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125 | AW::Vector get_offset() const { return offset; } |
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126 | |
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127 | void rotate(AW_pos angle); |
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128 | |
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129 | void set_offset(const AW::Vector& off) { offset = off*scale; } |
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130 | void shift(const AW::Vector& doff) { offset += doff*scale; } |
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131 | |
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132 | void reset(); |
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133 | |
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134 | double transform_size(const double& size) const { return size*scale; } |
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135 | double rtransform_size(const double& size) const { return size*unscale; } |
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136 | |
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137 | double rtransform_pixelsize(int pixelsize) const { |
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138 | // return world-size needed to draw line/box with length/size == 'pixelsize' |
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139 | return (pixelsize-1)*unscale; |
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140 | } |
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141 | |
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142 | // transforming a Vector only scales the vector (a Vector has no position!) |
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143 | AW::Vector transform (const AW::Vector& vec) const { return vec*scale; } |
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144 | AW::Vector rtransform(const AW::Vector& vec) const { return vec*unscale; } |
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145 | |
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146 | // transform a Position |
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147 | AW::Position transform (const AW::Position& pos) const { return transform(AW::Vector(pos+offset)).endpoint(); } |
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148 | AW::Position rtransform(const AW::Position& pos) const { return rtransform(AW::Vector(pos)).endpoint()-offset; } |
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149 | #if defined(WARN_TODO) && 0 |
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150 | #warning fix transformations |
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151 | // @@@ I think this calculation is wrong, cause offset is already scaled |
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152 | // (same applies to old-style transform/rtransform below) |
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153 | #endif |
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154 | |
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155 | AW::LineVector transform (const AW::LineVector& lvec) const { return AW::LineVector(transform(lvec.start()), transform(lvec.line_vector())); } |
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156 | AW::LineVector rtransform(const AW::LineVector& lvec) const { return AW::LineVector(rtransform(lvec.start()), rtransform(lvec.line_vector())); } |
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157 | |
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158 | AW::Rectangle transform (const AW::Rectangle& rect) const { return AW::Rectangle(transform(static_cast<const AW::LineVector&>(rect))); } |
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159 | AW::Rectangle rtransform(const AW::Rectangle& rect) const { return AW::Rectangle(rtransform(static_cast<const AW::LineVector&>(rect))); } |
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160 | |
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161 | // old style functions, not preferred: |
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162 | void transform(AW_pos x, AW_pos y, AW_pos& xout, AW_pos& yout) const { |
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163 | xout = (x+offset.x())*scale; |
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164 | yout = (y+offset.y())*scale; |
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165 | } |
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166 | void rtransform(AW_pos x, AW_pos y, AW_pos& xout, AW_pos& yout) const { |
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167 | xout = x*unscale - offset.x(); |
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168 | yout = y*unscale - offset.y(); |
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169 | } |
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170 | }; |
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171 | |
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172 | struct AW_font_overlap { bool top, bottom, left, right; }; |
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173 | |
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174 | class AW_clipable { |
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175 | const AW_screen_area& common_screen; |
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176 | const AW_screen_area& get_screen() const { return common_screen; } |
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177 | |
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178 | AW_screen_area clip_rect; // holds the clipping rectangle coordinates |
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179 | AW_font_overlap font_overlap; |
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180 | |
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181 | void set_cliprect_oversize(const AW_screen_area& rect, bool allow_oversize); |
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182 | protected: |
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183 | int compoutcode(AW_pos xx, AW_pos yy) const { |
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184 | // calculate outcode for clipping the current line |
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185 | // order - top,bottom,right,left |
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186 | int code = 0; |
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187 | if (clip_rect.b - yy < 0) code = 4; |
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188 | else if (yy - clip_rect.t < 0) code = 8; |
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189 | if (clip_rect.r - xx < 0) code |= 2; |
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190 | else if (xx - clip_rect.l < 0) code |= 1; |
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191 | return (code); |
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192 | }; |
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193 | |
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194 | void set_cliprect(const AW_screen_area& rect) { clip_rect = rect; } |
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195 | |
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196 | public: |
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197 | |
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198 | AW_clipable(const AW_screen_area& screen) |
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199 | : common_screen(screen) |
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200 | { |
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201 | clip_rect.clear(); |
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202 | set_font_overlap(false); |
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203 | } |
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204 | virtual ~AW_clipable() {} |
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205 | |
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206 | bool is_below_clip(double ypos) const { return ypos > clip_rect.b; } |
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207 | bool is_above_clip(double ypos) const { return ypos < clip_rect.t; } |
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208 | bool is_leftof_clip(double xpos) const { return xpos < clip_rect.l; } |
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209 | bool is_rightof_clip(double xpos) const { return xpos > clip_rect.r; } |
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210 | |
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211 | bool is_outside_clip(AW::Position pos) const { |
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212 | return |
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213 | is_below_clip(pos.ypos()) || is_above_clip(pos.ypos()) || |
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214 | is_leftof_clip(pos.xpos()) || is_rightof_clip(pos.xpos()); |
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215 | } |
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216 | bool is_outside_clip(AW::Rectangle rect) const { |
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217 | return !rect.overlaps_with(AW::Rectangle(get_cliprect(), AW::INCLUSIVE_OUTLINE)); |
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218 | } |
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219 | |
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220 | bool clip(AW_pos x0, AW_pos y0, AW_pos x1, AW_pos y1, AW_pos& x0out, AW_pos& y0out, AW_pos& x1out, AW_pos& y1out); |
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221 | bool clip(const AW::LineVector& line, AW::LineVector& clippedLine); |
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222 | |
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223 | bool box_clip(AW_pos x0, AW_pos y0, AW_pos x1, AW_pos y1, AW_pos& x0out, AW_pos& y0out, AW_pos& x1out, AW_pos& y1out); |
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224 | bool box_clip(const AW::Rectangle& rect, AW::Rectangle& clippedRect); |
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225 | bool force_into_clipbox(const AW::Position& pos, AW::Position& forcedPos); |
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226 | |
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227 | void set_top_clip_border(int top, bool allow_oversize = false); |
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228 | void set_bottom_clip_border(int bottom, bool allow_oversize = false); // absolute |
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229 | void set_bottom_clip_margin(int bottom, bool allow_oversize = false); // relative |
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230 | void set_left_clip_border(int left, bool allow_oversize = false); |
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231 | void set_right_clip_border(int right, bool allow_oversize = false); |
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232 | const AW_screen_area& get_cliprect() const { return clip_rect; } |
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233 | |
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234 | void set_clipall() { |
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235 | // clip all -> nothing drawn afterwards |
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236 | AW_screen_area rect = { 0, -1, 0, -1}; |
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237 | set_cliprect_oversize(rect, false); |
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238 | } |
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239 | |
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240 | bool completely_clipped() const { return clip_rect.l>clip_rect.r || clip_rect.t>clip_rect.b; } |
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241 | |
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242 | bool allow_top_font_overlap() const { return font_overlap.top; } |
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243 | bool allow_bottom_font_overlap() const { return font_overlap.bottom; } |
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244 | bool allow_left_font_overlap() const { return font_overlap.left; } |
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245 | bool allow_right_font_overlap() const { return font_overlap.right; } |
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246 | const AW_font_overlap& get_font_overlap() const { return font_overlap; } |
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247 | |
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248 | void set_top_font_overlap(bool allow) { font_overlap.top = allow; } |
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249 | void set_bottom_font_overlap(bool allow) { font_overlap.bottom = allow; } |
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250 | void set_left_font_overlap(bool allow) { font_overlap.left = allow; } |
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251 | void set_right_font_overlap(bool allow) { font_overlap.right = allow; } |
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252 | |
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253 | void set_vertical_font_overlap(bool allow) { font_overlap.top = font_overlap.bottom = allow; } |
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254 | void set_horizontal_font_overlap(bool allow) { font_overlap.left = font_overlap.right = allow; } |
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255 | void set_font_overlap(bool allow) { set_vertical_font_overlap(allow); set_horizontal_font_overlap(allow); } |
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256 | void set_font_overlap(const AW_font_overlap& fo) { font_overlap = fo; } |
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257 | |
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258 | // like set_xxx_clip_border but make window only smaller: |
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259 | |
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260 | void reduce_top_clip_border(int top); |
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261 | void reduce_bottom_clip_border(int bottom); |
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262 | void reduce_left_clip_border(int left); |
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263 | void reduce_right_clip_border(int right); |
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264 | |
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265 | int reduceClipBorders(int top, int bottom, int left, int right); |
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266 | }; |
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267 | |
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268 | struct AW_font_limits { |
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269 | short ascent; |
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270 | short descent; |
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271 | short height; |
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272 | short width; |
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273 | short min_width; |
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274 | |
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275 | void reset() { |
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276 | ascent = descent = height = width = 0; |
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277 | min_width = SHRT_MAX; |
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278 | } |
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279 | |
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280 | void notify_ascent(short a) { ascent = std::max(a, ascent); } |
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281 | void notify_descent(short d) { descent = std::max(d, descent); } |
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282 | void notify_width(short w) { |
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283 | width = std::max(w, width); |
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284 | min_width = std::min(w, min_width); |
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285 | } |
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286 | |
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287 | void notify_all(short a_ascent, short a_descent, short a_width) { |
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288 | notify_ascent (a_ascent); |
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289 | notify_descent(a_descent); |
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290 | notify_width (a_width); |
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291 | } |
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292 | |
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293 | void calc_height() { height = ascent+descent+1; } |
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294 | |
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295 | bool is_monospaced() const { return width == min_width; } |
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296 | |
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297 | AW_font_limits() { reset(); } |
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298 | AW_font_limits(const AW_font_limits& lim1, const AW_font_limits& lim2) |
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299 | : ascent(std::max(lim1.ascent, lim2.ascent)), |
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300 | descent(std::max(lim1.descent, lim2.descent)), |
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301 | width(std::max(lim1.width, lim2.width)), |
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302 | min_width(std::min(lim1.min_width, lim2.min_width)) |
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303 | { |
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304 | calc_height(); |
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305 | } |
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306 | }; |
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307 | |
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308 | // ----------------------------------------------- |
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309 | // Graphic context (linestyle, width ...) |
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310 | |
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311 | enum AW_linestyle { |
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312 | AW_SOLID, |
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313 | AW_DASHED, |
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314 | AW_DOTTED, |
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315 | }; |
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316 | |
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317 | |
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318 | enum AW_function { |
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319 | AW_COPY, |
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320 | AW_XOR |
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321 | }; |
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322 | |
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323 | class AW_common; |
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324 | |
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325 | class AW_stylable : virtual Noncopyable { |
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326 | AW_common *common; |
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327 | public: |
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328 | AW_stylable(AW_common *common_) : common(common_) {} |
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329 | virtual ~AW_stylable() {}; |
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330 | |
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331 | AW_common *get_common() const { return common; } |
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332 | |
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333 | void new_gc(int gc); |
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334 | void set_grey_level(int gc, AW_grey_level grey_level); |
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335 | void set_font(int gc, AW_font fontnr, int size, int *found_size); |
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336 | void set_line_attributes(int gc, short width, AW_linestyle style); |
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337 | void set_function(int gc, AW_function function); |
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338 | void establish_default(int gc); |
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339 | void set_foreground_color(int gc, AW_color_idx color); // lines .... |
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340 | int get_string_size(int gc, const char *string, long textlen) const; // get the size of the string |
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341 | |
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342 | const AW_font_limits& get_font_limits(int gc, char c) const; // for one characters (c == 0 -> for all characters) |
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343 | |
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344 | int get_available_fontsizes(int gc, AW_font font_nr, int *available_sizes); |
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345 | |
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346 | void reset_style(); |
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347 | }; |
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348 | |
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349 | class AW_clip_scale_stack; |
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350 | struct AW_world; |
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351 | class AW_device; |
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352 | |
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353 | class AW_click_cd : virtual Noncopyable { |
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354 | AW_CL cd1; |
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355 | AW_CL cd2; |
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356 | AW_device *my_device; |
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357 | const AW_click_cd *previous; |
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358 | |
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359 | void link(); |
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360 | |
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361 | public: |
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362 | AW_click_cd(AW_device *device, AW_CL CD1, AW_CL CD2) |
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363 | : cd1(CD1), |
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364 | cd2(CD2), |
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365 | my_device(device) |
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366 | { link(); } |
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367 | AW_click_cd(AW_device *device, AW_CL CD1) |
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368 | : cd1(CD1), |
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369 | cd2(0), |
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370 | my_device(device) |
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371 | { link(); } |
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372 | ~AW_click_cd(); |
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373 | |
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374 | void disable(); |
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375 | void enable(); |
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376 | |
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377 | AW_CL get_cd1() const { return cd1; } |
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378 | AW_CL get_cd2() const { return cd2; } |
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379 | |
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380 | void set_cd1(AW_CL cd) { cd1 = cd; } |
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381 | void set_cd2(AW_CL cd) { cd2 = cd; } |
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382 | }; |
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383 | |
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384 | typedef bool (*TextOverlayCallback)(AW_device *device, int gc, const char *opt_string, size_t opt_string_len, size_t start, size_t size, AW_pos x, AW_pos y, AW_pos opt_ascent, AW_pos opt_descent, AW_CL cduser); |
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385 | |
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386 | class AW_device : public AW_zoomable, public AW_stylable, public AW_clipable { |
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387 | AW_device(const AW_device& other); |
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388 | AW_device& operator=(const AW_device& other); |
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389 | |
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390 | protected: |
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391 | AW_clip_scale_stack *clip_scale_stack; |
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392 | |
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393 | const AW_click_cd *click_cd; |
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394 | friend class AW_click_cd; |
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395 | |
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396 | AW_bitset filter; |
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397 | |
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398 | static const AW_screen_area& get_common_screen(const AW_common *common_); |
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399 | |
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400 | public: |
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401 | AW_device(class AW_common *common_) |
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402 | : AW_stylable(common_), |
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403 | AW_clipable(get_common_screen(common_)), |
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404 | clip_scale_stack(NULL), |
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405 | click_cd(NULL), |
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406 | filter(AW_ALL_DEVICES) |
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407 | {} |
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408 | virtual ~AW_device() {} |
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409 | |
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410 | const AW_click_cd *get_click_cd() const { return click_cd; } |
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411 | AW_bitset get_filter() const { return filter; } |
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412 | |
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413 | void reset(); // pops all clip_scales |
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414 | |
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415 | const AW_screen_area& get_area_size() const; |
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416 | AW::Rectangle get_rtransformed_cliprect() const { return rtransform(AW::Rectangle(get_cliprect(), AW::INCLUSIVE_OUTLINE)); } |
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417 | |
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418 | void set_filter(AW_bitset filteri); // set the main filter mask |
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419 | |
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420 | void push_clip_scale(); // push clipping area and scale |
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421 | void pop_clip_scale(); // pop them |
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422 | |
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423 | virtual AW_DEVICE_TYPE type() = 0; |
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424 | |
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425 | bool ready_to_draw(int gc); // unused atm |
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426 | |
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427 | private: |
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428 | // * functions below return 1 if any pixel is drawn, 0 otherwise |
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429 | // * primary functions (always virtual; pure virtual in all devices used as baseclass) |
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430 | |
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431 | virtual bool line_impl(int gc, const AW::LineVector& Line, AW_bitset filteri) = 0; |
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432 | virtual bool text_impl(int gc, const char *str, const AW::Position& pos, AW_pos alignment, AW_bitset filteri, long opt_strlen) = 0; |
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433 | virtual bool box_impl(int gc, bool filled, const AW::Rectangle& rect, AW_bitset filteri) = 0; |
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434 | virtual bool filled_area_impl(int gc, int npos, const AW::Position *pos, AW_bitset filteri) = 0; |
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435 | |
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436 | virtual bool circle_impl(int gc, bool filled, const AW::Position& center, const AW::Vector& radius, AW_bitset filteri) = 0; |
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437 | virtual bool arc_impl(int gc, bool filled, const AW::Position& center, const AW::Vector& radius, int start_degrees, int arc_degrees, AW_bitset filteri) = 0; |
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438 | |
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439 | virtual bool invisible_impl(const AW::Position& pos, AW_bitset filteri) = 0; |
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440 | |
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441 | virtual void specific_reset() = 0; |
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442 | |
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443 | protected: |
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444 | |
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445 | // * second level functions |
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446 | // generic implementations which may be used by primary functions of derived classes |
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447 | |
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448 | bool generic_box(int gc, bool filled, const AW::Rectangle& rect, AW_bitset filteri); |
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449 | bool generic_circle(int gc, bool filled, const AW::Position& center, const AW::Vector& radius, AW_bitset filteri) { |
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450 | return generic_box(gc, filled, AW::Rectangle(center-radius, center+radius), filteri); |
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451 | } |
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452 | bool generic_arc(int gc, bool filled, const AW::Position& center, const AW::Vector& radius, int /*start_degrees*/, int /*arc_degrees*/, AW_bitset filteri) { |
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453 | return generic_circle(gc, filled, center, radius, filteri); |
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454 | } |
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455 | bool generic_filled_area(int gc, int npos, const AW::Position *pos, AW_bitset filteri); |
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456 | bool generic_invisible(const AW::Position& pos, AW_bitset filteri); |
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457 | |
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458 | public: |
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459 | // * third level functions (never virtual/overloaded by derived classes) |
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460 | |
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461 | bool line(int gc, const AW::LineVector& Line, AW_bitset filteri = AW_ALL_DEVICES_SCALED) { |
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462 | return line_impl(gc, Line, filteri); |
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463 | } |
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464 | bool line(int gc, const AW::Position& pos1, const AW::Position& pos2, AW_bitset filteri = AW_ALL_DEVICES_SCALED) { |
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465 | return line_impl(gc, AW::LineVector(pos1, pos2), filteri); |
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466 | } |
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467 | bool line(int gc, AW_pos x0, AW_pos y0, AW_pos x1, AW_pos y1, AW_bitset filteri = AW_ALL_DEVICES_SCALED) { |
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468 | return line_impl(gc, AW::LineVector(x0, y0, x1, y1), filteri); |
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469 | } |
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470 | |
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471 | bool text(int gc, |
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472 | const char *string, |
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473 | AW_pos x, |
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474 | AW_pos y, |
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475 | AW_pos alignment = 0.0, // 0.0 alignment left 0.5 centered 1.0 right justified |
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476 | AW_bitset filteri = AW_ALL_DEVICES_UNSCALED, |
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477 | long opt_strlen = 0) { |
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478 | return text_impl(gc, string, AW::Position(x, y), alignment, filteri, opt_strlen); |
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479 | } |
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480 | bool text(int gc, |
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481 | const char *string, |
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482 | const AW::Position& pos, |
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483 | AW_pos alignment = 0.0, // 0.0 alignment left 0.5 centered 1.0 right justified |
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484 | AW_bitset filteri = AW_ALL_DEVICES_UNSCALED, |
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485 | long opt_strlen = 0) { |
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486 | return text_impl(gc, string, pos, alignment, filteri, opt_strlen); |
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487 | } |
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488 | |
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489 | bool invisible(const AW::Position& pos, AW_bitset filteri = AW_ALL_DEVICES_SCALED) { |
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490 | return invisible_impl(pos, filteri); |
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491 | } |
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492 | |
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493 | bool box(int gc, bool filled, const AW::Rectangle& rect, AW_bitset filteri = AW_ALL_DEVICES_SCALED) { |
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494 | return box_impl(gc, filled, rect, filteri); |
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495 | } |
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496 | bool box(int gc, bool filled, const AW::Position& pos, const AW::Vector& size, AW_bitset filteri = AW_ALL_DEVICES_SCALED) { |
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497 | return box_impl(gc, filled, AW::Rectangle(pos, size), filteri); |
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498 | } |
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499 | bool box(int gc, bool filled, AW_pos x0, AW_pos y0, AW_pos width, AW_pos height, AW_bitset filteri = AW_ALL_DEVICES_SCALED) { |
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500 | return box_impl(gc, filled, AW::Rectangle(AW::Position(x0, y0), AW::Vector(width, height)), filteri); |
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501 | } |
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502 | |
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503 | bool circle(int gc, bool filled, const AW::Position& center, const AW::Vector& radius, AW_bitset filteri = AW_ALL_DEVICES_SCALED) { |
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504 | return circle_impl(gc, filled, center, radius, filteri); |
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505 | } |
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506 | bool circle(int gc, bool filled, AW_pos x0, AW_pos y0, AW_pos xradius, AW_pos yradius, AW_bitset filteri = AW_ALL_DEVICES_SCALED) { |
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507 | return circle_impl(gc, filled, AW::Position(x0, y0), AW::Vector(xradius, yradius), filteri); |
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508 | } |
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509 | bool circle(int gc, bool filled, const AW::Rectangle& rect, AW_bitset filteri = AW_ALL_DEVICES_SCALED) { |
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510 | // draw ellipse into Rectangle |
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511 | return circle_impl(gc, filled, rect.centroid(), AW::Vector(rect.width()/2, rect.height()/2), filteri); |
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512 | } |
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513 | |
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514 | // draw arcs (Note: passed degrees are nagative compared to unit circle!) |
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515 | bool arc(int gc, bool filled, AW_pos x0, AW_pos y0, AW_pos xradius, AW_pos yradius, int start_degrees, int arc_degrees, AW_bitset filteri = AW_ALL_DEVICES_SCALED) { |
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516 | return arc_impl(gc, filled, AW::Position(x0, y0), AW::Vector(xradius, yradius), start_degrees, arc_degrees, filteri); |
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517 | } |
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518 | bool arc(int gc, bool filled, const AW::Position& pos, const AW::Vector& radius, int start_degrees, int arc_degrees, AW_bitset filteri = AW_ALL_DEVICES_SCALED) { |
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519 | return arc_impl(gc, filled, pos, radius, start_degrees, arc_degrees, filteri); |
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520 | } |
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521 | |
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522 | // @@@ rename to 'polygone' and pass 'filled' parameter |
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523 | bool filled_area(int gc, int npoints, const AW_pos *points, AW_bitset filteri = AW_ALL_DEVICES_SCALED) { |
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524 | AW::Position *pos = new AW::Position[npoints]; |
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525 | for (int n = 0; n<npoints; ++n) { |
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526 | pos[n].setx(points[n*2]); |
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527 | pos[n].sety(points[n*2+1]); |
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528 | } |
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529 | bool result = filled_area_impl(gc, npoints, pos, filteri); |
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530 | delete [] pos; |
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531 | return result; |
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532 | } |
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533 | bool filled_area(int gc, int npos, const AW::Position *pos, AW_bitset filteri = AW_ALL_DEVICES_SCALED) { |
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534 | return filled_area_impl(gc, npos, pos, filteri); |
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535 | } |
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536 | |
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537 | // reduces any string (or virtual string) to its actual drawn size and calls the function f with the result |
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538 | bool text_overlay(int gc, const char *opt_string, long opt_strlen, // either string or strlen != 0 |
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539 | const AW::Position& pos, AW_pos alignment, AW_bitset filteri, AW_CL cduser, |
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540 | AW_pos opt_ascent, AW_pos opt_descent, // optional height (if == 0 take font height) |
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541 | TextOverlayCallback toc); |
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542 | |
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543 | |
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544 | // ********* X11 Device only ******** |
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545 | virtual void clear(AW_bitset filteri); |
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546 | virtual void clear_part(const AW::Rectangle& rect, AW_bitset filteri); |
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547 | |
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548 | void clear_part(AW_pos x, AW_pos y, AW_pos width, AW_pos height, AW_bitset filteri) { |
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549 | clear_part(AW::Rectangle(AW::Position(x, y), AW::Vector(width, height)), filteri); |
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550 | } |
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551 | |
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552 | virtual void move_region(AW_pos src_x, AW_pos src_y, AW_pos width, AW_pos height, AW_pos dest_x, AW_pos dest_y); |
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553 | virtual void fast(); // e.g. zoom linewidth off |
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554 | virtual void slow(); |
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555 | virtual void flush(); // empty X11 buffers |
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556 | }; |
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557 | |
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558 | |
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559 | inline void AW_click_cd::link() { |
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560 | previous = my_device->click_cd; |
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561 | my_device->click_cd = this; |
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562 | } |
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563 | inline AW_click_cd::~AW_click_cd() { my_device->click_cd = previous; } |
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564 | inline void AW_click_cd::disable() { my_device->click_cd = NULL; } |
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565 | inline void AW_click_cd::enable() { my_device->click_cd = this; } |
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566 | |
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567 | class AW_device_print : public AW_device { // derived from a Noncopyable |
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568 | FILE *out; |
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569 | bool color_mode; |
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570 | |
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571 | bool line_impl(int gc, const AW::LineVector& Line, AW_bitset filteri); |
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572 | bool text_impl(int gc, const char *str, const AW::Position& pos, AW_pos alignment, AW_bitset filteri, long opt_strlen); |
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573 | bool box_impl(int gc, bool filled, const AW::Rectangle& rect, AW_bitset filteri); |
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574 | bool circle_impl(int gc, bool filled, const AW::Position& center, const AW::Vector& radius, AW_bitset filteri); |
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575 | bool arc_impl(int gc, bool filled, const AW::Position& center, const AW::Vector& radius, int start_degrees, int arc_degrees, AW_bitset filteri); |
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576 | bool filled_area_impl(int gc, int npos, const AW::Position *pos, AW_bitset filteri); |
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577 | bool invisible_impl(const AW::Position& pos, AW_bitset filteri); |
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578 | |
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579 | void specific_reset() {} |
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580 | |
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581 | public: |
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582 | AW_device_print(AW_common *common_) |
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583 | : AW_device(common_), |
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584 | out(0), |
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585 | color_mode(false) |
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586 | {} |
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587 | |
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588 | GB_ERROR open(const char *path) __ATTR__USERESULT; |
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589 | void close(); |
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590 | |
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591 | FILE *get_FILE() { return out; } |
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592 | |
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593 | // AW_device interface: |
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594 | AW_DEVICE_TYPE type(); |
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595 | |
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596 | int find_color_idx(AW_rgb color); |
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597 | void set_color_mode(bool mode); |
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598 | |
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599 | }; |
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600 | |
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601 | class AW_simple_device : public AW_device { |
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602 | bool box_impl(int gc, bool /*filled*/, const AW::Rectangle& rect, AW_bitset filteri) { |
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603 | return generic_box(gc, false, rect, filteri); |
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604 | } |
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605 | bool filled_area_impl(int gc, int npos, const AW::Position *pos, AW_bitset filteri) { |
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606 | return generic_filled_area(gc, npos, pos, filteri); |
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607 | } |
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608 | bool circle_impl(int gc, bool filled, const AW::Position& center, const AW::Vector& radius, AW_bitset filteri) { |
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609 | return generic_circle(gc, filled, center, radius, filteri); |
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610 | } |
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611 | bool arc_impl(int gc, bool filled, const AW::Position& center, const AW::Vector& radius, int start_degrees, int arc_degrees, AW_bitset filteri) { |
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612 | return generic_arc(gc, filled, center, radius, start_degrees, arc_degrees, filteri); |
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613 | } |
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614 | public: |
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615 | AW_simple_device(AW_common *common_) : AW_device(common_) {} |
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616 | }; |
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617 | |
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618 | class AW_size_tracker { |
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619 | bool drawn; |
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620 | AW_world size; |
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621 | |
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622 | void extend(AW_pos& low, AW_pos val, AW_pos& high) { |
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623 | low = std::min(low, val); |
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624 | high = std::max(high, val); |
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625 | } |
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626 | public: |
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627 | AW_size_tracker() { restart(); } |
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628 | |
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629 | void restart() { drawn = false; size.clear(); } |
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630 | void track(const AW::Position& pos) { |
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631 | if (drawn) { |
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632 | extend(size.l, pos.xpos(), size.r); |
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633 | extend(size.t, pos.ypos(), size.b); |
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634 | } |
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635 | else { |
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636 | size.l = size.r = pos.xpos(); |
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637 | size.t = size.b = pos.ypos(); |
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638 | drawn = true; |
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639 | } |
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640 | } |
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641 | |
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642 | bool was_drawn() const { return drawn; } |
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643 | const AW_world& get_size() const { return size; } |
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644 | AW::Rectangle get_size_as_Rectangle() const { |
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645 | return AW::Rectangle(AW::Position(size.l, size.t), AW::Position(size.r, size.b)); |
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646 | } |
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647 | }; |
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648 | |
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649 | class AW_device_size : public AW_simple_device { |
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650 | AW_size_tracker scaled; // all zoomable parts (e.g. tree skeleton) |
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651 | AW_size_tracker unscaled; // all unzoomable parts (e.g. text at tree-tips or group-brackets) |
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652 | |
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653 | void dot_transformed(const AW::Position& pos, AW_bitset filteri); |
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654 | void dot_transformed(AW_pos X, AW_pos Y, AW_bitset filteri) { dot_transformed(AW::Position(X, Y), filteri); } |
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655 | |
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656 | void dot(const AW::Position& p, AW_bitset filteri) { dot_transformed(transform(p), filteri); } |
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657 | void dot(AW_pos x, AW_pos y, AW_bitset filteri) { dot(AW::Position(x, y), filteri); } |
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658 | |
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659 | bool line_impl(int gc, const AW::LineVector& Line, AW_bitset filteri); |
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660 | bool text_impl(int gc, const char *str, const AW::Position& pos, AW_pos alignment, AW_bitset filteri, long opt_strlen); |
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661 | bool invisible_impl(const AW::Position& pos, AW_bitset filteri); |
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662 | |
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663 | void specific_reset(); |
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664 | |
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665 | public: |
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666 | AW_device_size(AW_common *common_) : AW_simple_device(common_) {} |
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667 | |
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668 | void restart_tracking(); |
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669 | |
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670 | AW_DEVICE_TYPE type(); |
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671 | |
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672 | // all get_size_information...() return screen coordinates |
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673 | |
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674 | void get_size_information(AW_world *ptr) const __ATTR__DEPRECATED_TODO("whole AW_world is deprecated") { |
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675 | *ptr = scaled.get_size(); |
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676 | } |
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677 | AW::Rectangle get_size_information() const { return scaled.get_size_as_Rectangle(); } |
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678 | AW::Rectangle get_size_information_unscaled() const { return unscaled.get_size_as_Rectangle(); } |
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679 | AW::Rectangle get_size_information_inclusive_text() const { |
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680 | return get_size_information().bounding_box(get_size_information_unscaled()); |
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681 | } |
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682 | |
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683 | AW_borders get_unscaleable_overlap() const; |
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684 | }; |
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685 | |
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686 | #else |
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687 | #error aw_device.hxx included twice |
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688 | #endif |
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