| 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 | |
|---|
| 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 | |
|---|
| 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 | |
|---|
| 683 | AW_borders get_unscaleable_overlap() const; |
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| 684 | }; |
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| 685 | |
|---|
| 686 | #else |
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| 687 | #error aw_device.hxx included twice |
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| 688 | #endif |
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