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addditional font atlas implementation

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This commit is contained in:
Jack Andersen
2015-11-24 15:46:30 -10:00
parent 99d85ba60c
commit a5a4c8f4db
9 changed files with 437 additions and 14 deletions
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54
specter/include/Specter/TextView.hpp
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@@ -2,14 +2,68 @@
#define SPECTER_TEXTVIEW_HPP
#include "View.hpp"
#include <boo/graphicsdev/GL.hpp>
#include <boo/graphicsdev/D3D.hpp>
#include <boo/graphicsdev/Metal.hpp>
#include "FontCache.hpp"
namespace Specter
{
class TextView : public View
{
boo::IGraphicsBufferD* m_glyphBuf;
int m_validDynamicSlots = 0;
size_t m_curGlyphCapacity;
const FontAtlas& m_fontAtlas;
boo::IVertexFormat* m_vtxFmt = nullptr; /* OpenGL only */
public:
class System
{
friend class TextView;
boo::IGraphicsDataFactory* m_factory;
FontCache& m_fcache;
boo::IShaderPipeline* m_regular;
boo::IShaderPipeline* m_subpixel;
boo::IGraphicsBufferS* m_quadVBO;
boo::IVertexFormat* m_vtxFmt = nullptr; /* Not OpenGL */
System(boo::IGraphicsDataFactory* factory, FontCache& fcache)
: m_factory(factory), m_fcache(fcache) {}
};
static System BuildTextSystem(boo::GLDataFactory* factory, FontCache& fcache);
#if _WIN32
static Shaders BuildTextSystem(boo::ID3DDataFactory* factory, FontCache& fcache);
#elif BOO_HAS_METAL
static Shaders BuildTextSystem(boo::MetalDataFactory* factory, FontCache& fcache);
#endif
TextView(System& system, FontTag font, size_t initGlyphCapacity=256);
struct RenderGlyph
{
Zeus::CMatrix4f m_mvp;
Zeus::CVector3f m_uv[4];
Zeus::CColor m_color;
};
std::vector<RenderGlyph>& accessGlyphs() {return m_glyphs;}
void updateGlyphs() {m_validDynamicSlots = 0;}
void typesetGlyphs(const std::string& str,
Zeus::CColor defaultColor=Zeus::CColor::skWhite);
void typesetGlyphs(const std::wstring& str,
Zeus::CColor defaultColor=Zeus::CColor::skWhite);
void colorGlyphs(Zeus::CColor newColor);
void colorGlyphsTypeOn(Zeus::CColor newColor, float startInterval=0.2, float fadeTime=0.5);
void think();
void draw(boo::IGraphicsCommandQueue* gfxQ);
private:
std::vector<RenderGlyph> m_glyphs;
};
}