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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
#include "drape_frontend/text_shape.hpp"
#include "drape_frontend/text_layout.hpp"
#include "drape/utils/vertex_decl.hpp"
#include "drape/shader_def.hpp"
#include "drape/attribute_provider.hpp"
#include "drape/glstate.hpp"
#include "drape/batcher.hpp"
#include "drape/texture_manager.hpp"
#include "base/string_utils.hpp"
#include "std/vector.hpp"
namespace df
{
namespace
{
class StraightTextHandle : public dp::OverlayHandle
{
public:
StraightTextHandle(FeatureID const & id, dp::Anchor anchor, glsl::vec2 const & pivot,
glsl::vec2 const & pxSize, glsl::vec2 const & offset,
double priority)
: OverlayHandle(id, anchor, priority)
, m_pivot(glsl::ToPoint(pivot))
, m_offset(glsl::ToPoint(offset))
, m_size(glsl::ToPoint(pxSize))
{
}
m2::RectD GetPixelRect(ScreenBase const & screen) const
{
m2::PointD pivot = screen.GtoP(m_pivot) + m_offset;
double x = pivot.x;
double y = pivot.y;
if (m_anchor & dp::Left)
x += m_size.x;
else if (m_anchor & dp::Right)
x -= m_size.x;
else
{
float halfWidth = m_size.x / 2.0f;
x += halfWidth;
pivot.x -= halfWidth;
}
if (m_anchor & dp::Top)
y += m_size.y;
else if (m_anchor & dp::Bottom)
y -= m_size.y;
else
{
float halfHeight = m_size.y / 2.0f;
y += halfHeight;
pivot.y -= halfHeight;
}
return m2::RectD(min(x, pivot.x), min(y, pivot.y),
max(x, pivot.x), max(y, pivot.y));
}
void GetPixelShape(ScreenBase const & screen, Rects & rects) const
{
rects.push_back(m2::RectF(GetPixelRect(screen)));
}
private:
m2::PointF m_pivot;
m2::PointF m_offset;
m2::PointF m_size;
};
} // namespace
TextShape::TextShape(m2::PointF const & basePoint, TextViewParams const & params)
: m_basePoint(basePoint),
m_params(params)
{
}
void TextShape::Draw(dp::RefPointer<dp::Batcher> batcher, dp::RefPointer<dp::TextureManager> textures) const
{
ASSERT(!m_params.m_primaryText.empty(), ());
StraightTextLayout primaryLayout(strings::MakeUniString(m_params.m_primaryText),
m_params.m_primaryTextFont.m_size, textures, m_params.m_anchor);
glsl::vec2 primaryOffset(0.0, 0.0);
if (!m_params.m_secondaryText.empty())
{
StraightTextLayout secondaryLayout(strings::MakeUniString(m_params.m_secondaryText),
m_params.m_secondaryTextFont.m_size, textures, m_params.m_anchor);
glsl::vec2 secondaryOffset = primaryOffset;
if (m_params.m_anchor & dp::Top)
secondaryOffset += glsl::vec2(0.0, primaryLayout.GetPixelSize().y);
else if (m_params.m_anchor & dp::Bottom)
primaryOffset -= glsl::vec2(0.0, secondaryLayout.GetPixelSize().y);
else
{
primaryOffset -= glsl::vec2(0.0, primaryLayout.GetPixelSize().y / 2.0f);
secondaryOffset += glsl::vec2(0.0, secondaryLayout.GetPixelSize().y / 2.0f);
}
DrawSubString(secondaryLayout, m_params.m_secondaryTextFont, secondaryOffset, batcher, textures);
}
DrawSubString(primaryLayout, m_params.m_primaryTextFont, primaryOffset, batcher, textures);
}
void TextShape::DrawSubString(StraightTextLayout const & layout,
df::FontDecl const & font,
glsl::vec2 const & baseOffset,
dp::RefPointer<dp::Batcher> batcher,
dp::RefPointer<dp::TextureManager> textures) const
{
gpu::TTextStaticVertexBuffer staticBuffer;
gpu::TTextDynamicVertexBuffer dynamicBuffer;
dp::TextureManager::ColorRegion color, outline;
textures->GetColorRegion(font.m_color, color);
textures->GetColorRegion(font.m_outlineColor, outline);
layout.Cache(glsl::vec3(glsl::ToVec2(m_basePoint), m_params.m_depth),
baseOffset,
color, outline,
staticBuffer,
dynamicBuffer);
dp::GLState state(gpu::TEXT_PROGRAM, dp::GLState::OverlayLayer);
state.SetBlending(dp::Blending(true));
ASSERT(color.GetTexture() == outline.GetTexture(), ());
state.SetColorTexture(color.GetTexture());
state.SetMaskTexture(layout.GetMaskTexture());
m2::PointU const & pixelSize = layout.GetPixelSize();
dp::OverlayHandle * handle = new StraightTextHandle(m_params.m_featureID,
m_params.m_anchor,
glsl::ToVec2(m_basePoint),
glsl::vec2(pixelSize.x, pixelSize.y),
baseOffset,
m_params.m_depth);
dp::AttributeProvider provider(2, staticBuffer.size());
provider.InitStream(0, gpu::TextStaticVertex::GetBindingInfo(), dp::MakeStackRefPointer<void>(staticBuffer.data()));
provider.InitStream(1, gpu::TextDynamicVertex::GetBindingInfo(), dp::MakeStackRefPointer<void>(dynamicBuffer.data()));
batcher->InsertListOfStrip(state, dp::MakeStackRefPointer(&provider), dp::MovePointer(handle), 4);
}
} //end of df namespace
|
