1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/*
* This source file is part of libRocket, the HTML/CSS Interface Middleware
*
* For the latest information, see http://www.librocket.com
*
* Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#include "Geometry.h"
#include "../../Include/Rocket/Core.h"
namespace Rocket {
namespace Debugger {
static Core::Context* context;
Geometry::Geometry()
{
}
void Geometry::SetContext(Core::Context* _context)
{
context = _context;
}
// Renders a one-pixel rectangular outline.
void Geometry::RenderOutline(const Core::Vector2f& origin, const Core::Vector2f& dimensions, const Core::Colourb& colour, float width)
{
if (context == NULL)
return;
Core::RenderInterface* render_interface = context->GetRenderInterface();
Core::Vertex vertices[4 * 4];
int indices[6 * 4];
Core::GeometryUtilities::GenerateQuad(vertices + 0, indices + 0, Core::Vector2f(0, 0), Core::Vector2f(dimensions.x, width), colour, 0);
Core::GeometryUtilities::GenerateQuad(vertices + 4, indices + 6, Core::Vector2f(0, dimensions.y - width), Core::Vector2f(dimensions.x, width), colour, 4);
Core::GeometryUtilities::GenerateQuad(vertices + 8, indices + 12, Core::Vector2f(0, 0), Core::Vector2f(width, dimensions.y), colour, 8);
Core::GeometryUtilities::GenerateQuad(vertices + 12, indices + 18, Core::Vector2f(dimensions.x - width, 0), Core::Vector2f(width, dimensions.y), colour, 12);
render_interface->RenderGeometry(vertices, 4 * 4, indices, 6 * 4, 0, origin);
}
// Renders a box.
void Geometry::RenderBox(const Core::Vector2f& origin, const Core::Vector2f& dimensions, const Core::Colourb& colour)
{
if (context == NULL)
return;
Core::RenderInterface* render_interface = context->GetRenderInterface();
Core::Vertex vertices[4];
int indices[6];
Core::GeometryUtilities::GenerateQuad(vertices, indices, Core::Vector2f(0, 0), Core::Vector2f(dimensions.x, dimensions.y), colour, 0);
render_interface->RenderGeometry(vertices, 4, indices, 6, 0, origin);
}
// Renders a box with a hole in the middle.
void Geometry::RenderBox(const Core::Vector2f& origin, const Core::Vector2f& dimensions, const Core::Vector2f& hole_origin, const Core::Vector2f& hole_dimensions, const Core::Colourb& colour)
{
// Top box.
float top_y_dimensions = hole_origin.y - origin.y;
if (top_y_dimensions > 0)
{
RenderBox(origin, Core::Vector2f(dimensions.x, top_y_dimensions), colour);
}
// Bottom box.
float bottom_y_dimensions = (origin.y + dimensions.y) - (hole_origin.y + hole_dimensions.y);
if (bottom_y_dimensions > 0)
{
RenderBox(Core::Vector2f(origin.x, hole_origin.y + hole_dimensions.y), Core::Vector2f(dimensions.x, bottom_y_dimensions), colour);
}
// Left box.
float left_x_dimensions = hole_origin.x - origin.x;
if (left_x_dimensions > 0)
{
RenderBox(Core::Vector2f(origin.x, hole_origin.y), Core::Vector2f(left_x_dimensions, hole_dimensions.y), colour);
}
// Right box.
float right_x_dimensions = (origin.x + dimensions.x) - (hole_origin.x + hole_dimensions.x);
if (right_x_dimensions > 0)
{
RenderBox(Core::Vector2f(hole_origin.x + hole_dimensions.x, hole_origin.y), Core::Vector2f(right_x_dimensions, hole_dimensions.y), colour);
}
}
}
}
|
