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
|
#pragma once
#include "common_structures.hpp"
#include "shape_view_params.hpp"
#include "intrusive_vector.hpp"
#include "../drape/pointers.hpp"
#include "../drape/texture_set_holder.hpp"
#include "../drape/overlay_handle.hpp"
#include "../geometry/spline.hpp"
#include "../base/string_utils.hpp"
#include "../base/buffer_vector.hpp"
#include "../std/vector.hpp"
#include "../std/shared_ptr.hpp"
namespace df
{
class TextLayout
{
typedef dp::TextureSetHolder::GlyphRegion GlyphRegion;
public:
TextLayout(strings::UniString const & string,
df::FontDecl const & font,
dp::RefPointer<dp::TextureSetHolder> textures);
void InitPathText(float depth,
vector<glsl_types::Quad4> & texCoord,
vector<glsl_types::Quad4> & fontColor,
vector<glsl_types::Quad1> & index,
dp::RefPointer<dp::TextureSetHolder> textures) const;
void LayoutPathText(m2::Spline::iterator const & iterator,
float const scalePtoG,
IntrusiveVector<glsl_types::vec2> & positions,
bool isForwardDirection,
vector<m2::RectF> & rects,
ScreenBase const & screen) const;
uint32_t GetGlyphCount() const;
uint32_t GetTextureSet() const;
float GetPixelLength() const;
float GetPixelHeight() const;
private:
float AccumulateAdvance(double const & currentValue, GlyphRegion const & reg2) const;
void InitMetric(strings::UniChar const & unicodePoint, dp::RefPointer<dp::TextureSetHolder> textures);
void GetTextureQuad(GlyphRegion const & region, float depth, glsl_types::Quad4 & quad) const;
void GetMetrics(int32_t const index, float & xOffset, float & yOffset, float & advance,
float & halfWidth, float & halfHeight) const;
private:
buffer_vector<GlyphRegion, 32> m_metrics;
df::FontDecl m_font;
float m_textSizeRatio;
friend dp::OverlayHandle * LayoutText(const FeatureID & featureID,
m2::PointF const & pivot,
vector<TextLayout>::iterator & layoutIter,
vector<m2::PointF>::iterator & pixelOffsetIter,
float depth,
vector<glsl_types::Quad4> & positions,
vector<glsl_types::Quad4> & texCoord,
vector<glsl_types::Quad4> & color,
vector<glsl_types::Quad1> & index,
dp::RefPointer<dp::TextureSetHolder> textures,
int count);
};
class SharedTextLayout
{
public:
SharedTextLayout(TextLayout * layout);
bool IsNull() const;
void Reset(TextLayout * layout);
TextLayout * operator->();
TextLayout const * operator->() const;
private:
shared_ptr<TextLayout> m_layout;
};
}
|
