1 #include <msp/gl/immediate.h>
15 void Graphic::render(unsigned wd, unsigned ht) const
17 GL::VertexArray varr((GL::TEXCOORD2, GL::VERTEX2));
18 RefPtr<GL::VertexArrayBuilder> vab=varr.modify();
21 create_coords(0.0f-shadow.left, wd+shadow.right, border.left, border.right, slice.w-border.left-border.right, x);
22 create_coords(0.0f-shadow.bottom, ht+shadow.top, border.bottom, border.top, slice.h-border.bottom-border.top, y);
25 create_texcoords(slice.x, slice.x+slice.w, border.left, border.right, texture->get_width(), u);
26 create_texcoords(slice.y, slice.y+slice.h, border.bottom, border.top, texture->get_height(), v);
28 unsigned xmin=border.left ? 0 : 1;
29 unsigned xmax=x.size()-(border.right ? 2 : 3);
30 unsigned ymin=border.bottom ? 0 : 1;
31 unsigned ymax=y.size()-(border.top ? 2 : 3);
34 GL::Immediate imm((GL::TEXCOORD2,GL::VERTEX2));
36 for(unsigned i=ymin; i<=ymax; ++i)
38 unsigned i2=(i==0 ? 0 : i==y.size()-2 ? 2 : 1);
39 for(unsigned j=xmin; j<=xmax; ++j)
41 unsigned j2=(j==0 ? 0 : j==x.size()-2 ? 2 : 1);
42 imm.texcoord(u[j2], v[i2]);
43 imm.vertex(x[j], y[i]);
44 imm.texcoord(u[j2+1], v[i2]);
45 imm.vertex(x[j+1], y[i]);
46 imm.texcoord(u[j2+1], v[i2+1]);
47 imm.vertex(x[j+1], y[i+1]);
48 imm.texcoord(u[j2], v[i2+1]);
49 imm.vertex(x[j], y[i+1]);
55 void Graphic::create_coords(float low, float high, float brd1, float brd2, float block, vector<float> &coords) const
57 coords.push_back(low);
58 coords.push_back(low+brd1);
61 float space=high-low-brd1-brd2;
62 unsigned div=max(static_cast<unsigned>(space/block), 1U);
63 float delta=space/div;
64 for(unsigned i=1; i<div; ++i)
65 coords.push_back(low+brd1+delta*i);
67 coords.push_back(high-brd2);
68 coords.push_back(high);
71 void Graphic::create_texcoords(float low, float high, float brd1, float brd2, float scale, vector<float> &coords) const
73 coords.push_back(low/scale);
74 coords.push_back((low+brd1)/scale);
75 coords.push_back((high-brd2)/scale);
76 coords.push_back(high/scale);
80 Graphic::Loader::Loader(Graphic &g, Resources &r):
84 add("texture", &Loader::texture);
85 add("slice", &Loader::slice);
86 add("border", &Loader::border);
87 add("repeat", &Graphic::repeat);
88 add("shadow", &Loader::shadow);
91 void Graphic::Loader::texture(const string &n)
93 graph.texture=res.get<GL::Texture2D>(n);
94 graph.slice=Geometry(0, 0, graph.texture->get_width(), graph.texture->get_height());
97 void Graphic::Loader::slice(unsigned x, unsigned y, unsigned w, unsigned h)
99 graph.slice=Geometry(x, y, w, h);
102 void Graphic::Loader::border()
104 load_sub(graph.border);
107 void Graphic::Loader::shadow()
109 load_sub(graph.shadow);