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#ifndef TEXTMESH
#define TEXTMESH
#include "TextUtil.h"
#include "Runtime/Filters/Mesh/LodMesh.h"
#include "Runtime/Math/Rect.h"
class ChannelAssigns;
#if UNITY_LINUX
class Font;
#endif
//#include "DLAllocator.h"
// Pixel-correct textmesh generator
class TextMeshGenerator2 {
public:
// DECLARE_FORWARD_MAINTHREAD_ALLOCATOR_MEMBER_NEW_DELETE
struct Vertex {
enum { kFormat = VERTEX_FORMAT3(Vertex, Color, TexCoord0) };
Vector3f vert;
ColorRGBA32 color;
Vector2f uv;
};
// The global getter function
static TextMeshGenerator2 &Get (const UTF16String &text, Font *font, TextAnchor anchor, TextAlignment alignment, float wordWrapWidth, float tabSize, float lineSpacing, bool richText, bool pixelcorrect, ColorRGBA32 color, int fontSize = 0, int fontStyle = 0);
/// Global update function - this is called once per frame & cleans up any meshes not used since then.
static void GarbageCollect ();
/// Delete all text meshes
static void Flush ();
static void CleanCache (const UTF16String &text);
// Individual textmesh objects here on down:
/// Render this text thing inside Rect.
// See this code for the correct stup instructions for rendering text with RenderRaw
void Render (const Rectf &rect, const ChannelAssigns& channels);
/// Just call the rendering on the GPU - don't set up a matrix to position the text or any such crap. Just submit the mesh.
void RenderRaw (const ChannelAssigns& channels);
/// Get the modelview offset to position this object's text within rect.
Vector2f GetTextOffset (const Rectf &rect);
// Get the font to use - this gets the default font if none set
Font *GetFont () const;
// Get the g
Mesh *GetMesh () const { return m_Mesh; }
/// Get the cursor position
Vector2f GetCursorPosition (const Rectf &screenRect, int cursor);
int GetCursorIndexAtPosition (const Rectf &screenRect, const Vector2f &pos);
/// Get the size.
Vector2f GetSize () const { return Vector2f (m_Rect.width, m_Rect.height); }
private:
TextMeshGenerator2 (const UTF16String &text, Font *font, TextAnchor anchor, TextAlignment alignment, float wordWrapWidth, float tabSize, float lineSpacing, bool richText, bool pixelcorrect, ColorRGBA32 color, int fontSize, int fontStyle);
~TextMeshGenerator2 ();
void FixLineOffset (float lineWidth, Vertex *firstChar, Vector2f *firstCursor, int count);
// Generate the mesh stuff from the stored values
void Generate ();
float Roundf (float x);
// Width to word-wrap against. If 0, no word-wrapping is applied.
float m_WordWrapWidth;
TextAnchor m_Anchor; //< The text anchor.
TextAlignment m_Alignment;
float m_LineSpacing;
float m_TabSize; //< The pixel tab size
bool m_TabUsed; //< Is the tab used in the string?
bool m_RichText;
PPtr<Font> m_Font; //< font to use
int m_FontSize;
int m_FontStyle;
ColorRGBA32 m_Color;
bool m_PixelCorrect;
Rectf m_Rect;
UTF16String m_UTF16Text;
Mesh* m_Mesh; //< The mesh that contains the generated characters
std::vector<Vector2f/*, main_thread_allocator<Vector2f>*/ > m_CursorPos; //< Cursor positions for each character
int m_LastUsedFrame; //< Has this textmeshgenerator been used this frame
friend class TextMeshGenerationData;
};
#endif
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