1 // Aseprite
2 // Copyright (C) 2001-2015 David Capello
3 //
4 // This program is distributed under the terms of
5 // the End-User License Agreement for Aseprite.
6
7 #ifdef HAVE_CONFIG_H
8 #include "config.h"
9 #endif
10
11 #include "app/tools/point_shape.h"
12
13 #include "app/tools/ink.h"
14 #include "app/tools/tool_loop.h"
15 #include "app/util/wrap_value.h"
16 #include "doc/image.h"
17
18 namespace app {
19 namespace tools {
20
21 using namespace doc;
22 using namespace filters;
23
doInkHline(int x1,int y,int x2,ToolLoop * loop)24 void PointShape::doInkHline(int x1, int y, int x2, ToolLoop* loop)
25 {
26 TiledMode tiledMode = loop->getTiledMode();
27 int x, w, size; // width or height
28
29 // In case the ink needs original cel coordinates, we have to
30 // translate the x1/y/x2 coordinate.
31 if (loop->getInk()->needsCelCoordinates()) {
32 gfx::Point origin = loop->getCelOrigin();
33 x1 -= origin.x;
34 x2 -= origin.x;
35 y -= origin.y;
36 }
37
38 // Tiled in Y axis
39 if (int(tiledMode) & int(TiledMode::Y_AXIS)) {
40 size = loop->getDstImage()->height(); // size = image height
41 y = wrap_value(y, size);
42 }
43 else if (y < 0 || y >= loop->getDstImage()->height())
44 return;
45
46 // Tiled in X axis
47 if (int(tiledMode) & int(TiledMode::X_AXIS)) {
48 if (x1 > x2)
49 return;
50
51 size = loop->getDstImage()->width(); // size = image width
52 w = x2-x1+1;
53 if (w >= size)
54 loop->getInk()->inkHline(0, y, size-1, loop);
55 else {
56 x = x1;
57 x = wrap_value(x, size);
58
59 if (x+w-1 <= size-1)
60 loop->getInk()->inkHline(x, y, x+w-1, loop);
61 else {
62 loop->getInk()->inkHline(x, y, size-1, loop);
63 loop->getInk()->inkHline(0, y, w-(size-x)-1, loop);
64 }
65 }
66 }
67 // Clipped in X axis
68 else {
69 if (x1 < 0)
70 x1 = 0;
71
72 if (x2 >= loop->getDstImage()->width())
73 x2 = loop->getDstImage()->width()-1;
74
75 if (x2-x1+1 < 1)
76 return;
77
78 loop->getInk()->inkHline(x1, y, x2, loop);
79 }
80 }
81
82 } // namespace tools
83 } // namespace app
84