Differential D15894 Diff 42742 plugins/paintops/hatching/hatching_brush.h

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plugins/paintops/hatching/hatching_brush.h

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69 69​
70 /** X coordinate of the point that determines the base line */ 70​ /** X coordinate of the point that determines the base line */
71 double origin_x; 71​ double origin_x;
72 72​
73 /** Y coordinate of the point that determines the base line */ 73​ /** Y coordinate of the point that determines the base line */
74 double origin_y; 74​ double origin_y;
75 75​
76 /** Intercept of the base line */ 76​ /** Intercept of the base line */
77 double baseLineIntercept; 77​ double baseLineIntercept {0};
78 78​
79 /** Intercept of the first line _found to_ pass or be neighbour of a line 79​ /** Intercept of the first line _found to_ pass or be neighbour of a line
80 * that passes through the hatching area, this line is used as a base 80​ * that passes through the hatching area, this line is used as a base
81 * to start iterating with HatchingBrush::iterateLines() 81​ * to start iterating with HatchingBrush::iterateLines()
82 */ 82​ */
83 double hotIntercept; 83​ double hotIntercept {0};
84 84​
85 /** Intercept of each line as it is scanned, this value changes constantly */ 85​ /** Intercept of each line as it is scanned, this value changes constantly */
86 double scanIntercept; 86​ double scanIntercept {0};
87 87​
88 /** X position of the first vertical line _found to_ pass or be neighbour 88​ /** X position of the first vertical line _found to_ pass or be neighbour
89 * of a line that passes through the hatching area, this line is used as 89​ * of a line that passes through the hatching area, this line is used as
90 * a base to start iterating with HatchingBrush::iterateVerticalLines() 90​ * a base to start iterating with HatchingBrush::iterateVerticalLines()
91 */ 91​ */
92 double verticalHotX; 92​ double verticalHotX;
93 93​
94 /** X position of the vertical lines as they are scanned, this value changes constantly */ 94​ /** X position of the vertical lines as they are scanned, this value changes constantly */
95 double verticalScanX; 95​ double verticalScanX;
96 96​
97 /** Angle of the lines expressed algebraically, as in slope*x + intercept = y */ 97​ /** Angle of the lines expressed algebraically, as in slope*x + intercept = y */
98 double slope; 98​ double slope {0};
99 99​
100 /** Unused variable, distance separating non-vertical lines in the X axis*/ 100​ /** Unused variable, distance separating non-vertical lines in the X axis*/
101 double dx; 101​ double dx {0};
102 102​
103 /** Distance separating non-vertical lines in the Y axis*/ 103​ /** Distance separating non-vertical lines in the Y axis*/
104 double dy; 104​ double dy {0};
105 105​
106 /** Intercept of the line that extends from the mouse cursor position, calculated from 106​ /** Intercept of the line that extends from the mouse cursor position, calculated from
107 * the point (x, y) of the cursor and 'slope' 107​ * the point (x, y) of the cursor and 'slope'
108 */ 108​ */
109 double cursorLineIntercept; 109​ double cursorLineIntercept {0};
110 110​
111 /** Function that begins exploring the field from hotIntercept and 111​ /** Function that begins exploring the field from hotIntercept and
112 * moves in the direction of dy (forward==true) or -dy (forward==false) 112​ * moves in the direction of dy (forward==true) or -dy (forward==false)
113 * to draw all the lines it finds to KisPaintDeviceSP 'dev' 113​ * to draw all the lines it finds to KisPaintDeviceSP 'dev'
114 */ 114​ */
115 void iterateLines(bool forward, int lineindex, bool oneline); 115​ void iterateLines(bool forward, int lineindex, bool oneline);
116 116​
117 /** Function that begins exploring the field from verticalHotX and 117​ /** Function that begins exploring the field from verticalHotX and
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