aboutsummaryrefslogtreecommitdiff
path: root/src/libjin/graphics/fonts
diff options
context:
space:
mode:
Diffstat (limited to 'src/libjin/graphics/fonts')
-rw-r--r--src/libjin/graphics/fonts/je_decoder.cpp96
-rw-r--r--src/libjin/graphics/fonts/je_decoder.h97
-rw-r--r--src/libjin/graphics/fonts/je_font.h109
-rw-r--r--src/libjin/graphics/fonts/je_page.h54
-rw-r--r--src/libjin/graphics/fonts/je_text.cpp157
-rw-r--r--src/libjin/graphics/fonts/je_text.h172
-rw-r--r--src/libjin/graphics/fonts/je_texture_font.cpp322
-rw-r--r--src/libjin/graphics/fonts/je_texture_font.h144
-rw-r--r--src/libjin/graphics/fonts/je_ttf.cpp468
-rw-r--r--src/libjin/graphics/fonts/je_ttf.h292
10 files changed, 1911 insertions, 0 deletions
diff --git a/src/libjin/graphics/fonts/je_decoder.cpp b/src/libjin/graphics/fonts/je_decoder.cpp
new file mode 100644
index 0000000..02112a0
--- /dev/null
+++ b/src/libjin/graphics/fonts/je_decoder.cpp
@@ -0,0 +1,96 @@
+#include <stdlib.h>
+#include <string.h>
+#include "je_decoder.h"
+
+namespace JinEngine
+{
+ namespace Graphics
+ {
+ namespace Fonts
+ {
+
+ /* utf8 byte string to unicode codepoint */
+ static const char *utf8toCodepoint(const char *p, unsigned *res) {
+ return nullptr;
+
+ }
+
+ /////////////////////////////////////////////////////////////////////////////
+ // decoders
+ /////////////////////////////////////////////////////////////////////////////
+
+ const void* Utf8::decode(const void* data, Codepoint* res) const
+ {
+ const char* p = (char*)data;
+ unsigned x, mask, shift;
+ switch (*p & 0xf0) {
+ case 0xf0: mask = 0x07; shift = 18; break;
+ case 0xe0: mask = 0x0f; shift = 12; break;
+ case 0xc0:
+ case 0xd0: mask = 0x1f; shift = 6; break;
+ default:
+ *res = *p;
+ return p + 1;
+ }
+ x = (*p & mask) << shift;
+ do {
+ if (*(++p) == '\0') {
+ *res = x;
+ return p;
+ }
+ shift -= 6;
+ x |= (*p & 0x3f) << shift;
+ } while (shift);
+ *res = x;
+ return p + 1;
+ }
+
+ const void* Utf8::next(const void* data) const
+ {
+ const char* p = (char*)data;
+ unsigned x, mask, shift;
+ switch (*p & 0xf0) {
+ case 0xf0: mask = 0x07; shift = 18; break;
+ case 0xe0: mask = 0x0f; shift = 12; break;
+ case 0xc0:
+ case 0xd0: mask = 0x1f; shift = 6; break;
+ default:
+ return p + 1;
+ }
+ x = (*p & mask) << shift;
+ do {
+ if (*(++p) == '\0') {
+ return p;
+ }
+ shift -= 6;
+ x |= (*p & 0x3f) << shift;
+ } while (shift);
+ return p + 1;
+ }
+ /*
+ const void* Utf16::decode(const void* data, Codepoint* res) const
+ {
+ return nullptr;
+ }
+
+ const void* Utf16::next(const void* data) const
+ {
+ return nullptr;
+ }
+ */
+ const void* Ascii::decode(const void* data, Codepoint* res) const
+ {
+ const char* p = (char*)data;
+ *res = *p;
+ return p + 1;
+ }
+
+ const void* Ascii::next(const void* data) const
+ {
+ const char* p = (char*)data;
+ return p + 1;
+ }
+
+ } // namespace Fonts
+ } // namespace Graphics
+} // namespace JinEngine \ No newline at end of file
diff --git a/src/libjin/graphics/fonts/je_decoder.h b/src/libjin/graphics/fonts/je_decoder.h
new file mode 100644
index 0000000..840cada
--- /dev/null
+++ b/src/libjin/graphics/fonts/je_decoder.h
@@ -0,0 +1,97 @@
+#ifndef __JE_UTF8_H__
+#define __JE_UTF8_H__
+
+#include <vector>
+
+#include "je_text.h"
+
+namespace JinEngine
+{
+ namespace Graphics
+ {
+ namespace Fonts
+ {
+
+ ///
+ /// Text decoder.
+ ///
+ class Decoder
+ {
+ public:
+
+ ///
+ /// Decode a code unit.
+ ///
+ /// @param data Code units.
+ /// @param codepoint Value of code point.
+ /// @return Next code unit location.
+ ///
+ virtual const void* decode(const void* data, Codepoint* codepoint) const = 0;
+
+ ///
+ /// Get next code unit location.
+ ///
+ /// @param data Code units.
+ /// @return Next code unit location.
+ ///
+ virtual const void* next(const void* data) const = 0;
+
+ };
+
+ ///
+ /// Utf-8 decoder.
+ ///
+ class Utf8 : public Decoder
+ {
+ public:
+
+ ///
+ /// Decode a code unit.
+ ///
+ /// @param data Code units.
+ /// @param codepoint Value of code point.
+ /// @return Next code unit location.
+ ///
+ const void* decode(const void* data, Codepoint* codepoint) const override;
+
+ ///
+ /// Get next code unit location.
+ ///
+ /// @param data Code units.
+ /// @return Next code unit location.
+ ///
+ const void* next(const void* data) const override;
+
+ };
+
+ ///
+ /// Ascii decoder.
+ ///
+ class Ascii : public Decoder
+ {
+ public:
+
+ ///
+ /// Decode a code unit.
+ ///
+ /// @param data Code units.
+ /// @param codepoint Value of code point.
+ /// @return Next code unit location.
+ ///
+ const void* decode(const void* data, Codepoint* codepoint) const override;
+
+ ///
+ /// Get next code unit location.
+ ///
+ /// @param data Code units.
+ /// @return Next code unit location.
+ ///
+ const void* next(const void* data) const override;
+
+ };
+
+ } // namespace Fonts
+ } // namespace Graphics
+} // namespace JinEngine
+
+#endif \ No newline at end of file
diff --git a/src/libjin/graphics/fonts/je_font.h b/src/libjin/graphics/fonts/je_font.h
new file mode 100644
index 0000000..9581b9f
--- /dev/null
+++ b/src/libjin/graphics/fonts/je_font.h
@@ -0,0 +1,109 @@
+#ifndef __JE_FONT_H__
+#define __JE_FONT_H__
+
+#include <vector>
+#include "je_text.h"
+
+namespace JinEngine
+{
+ namespace Graphics
+ {
+ namespace Fonts
+ {
+
+ struct Page;
+
+ //
+ // Font
+ // |- TTF
+ // |- TextureFont
+ //
+
+ ///
+ /// Base Font class.
+ ///
+ class Font
+ {
+ public:
+ ///
+ /// Font constructor.
+ ///
+ Font(unsigned fontsize)
+ : mFontSize(fontsize)
+ {
+ }
+
+ ///
+ /// Font destructor.
+ ///
+ virtual ~Font() {};
+
+ ///
+ /// Create page with given text.
+ ///
+ /// @param text Text to be typesetted.
+ /// @param lineheight Line height of text.
+ /// @param spacing Spacing between characters. 0 by default.
+ /// @return Page if created successfully, otherwise return null.
+ ///
+ virtual Page* typeset(const Text& text, int lineheight, int spacing = 0) = 0;
+
+ ///
+ /// Create page with given unicode codepoints.
+ ///
+ /// @param content Unicode codepoints to be typesetted.
+ /// @param lineheight Line height of text.
+ /// @param spacing Spacing between characters. 0 by default.
+ /// @return Page if created successfully, otherwise return null.
+ ///
+ virtual Page* typeset(const Content& content, int lineheight, int spacing = 0) = 0;
+
+ ///
+ /// Render page to given position.
+ ///
+ /// @param page Page to be rendered.
+ /// @param x X value of the position.
+ /// @param y Y value of the position.
+ ///
+ virtual void render(const Page* page, int x, int y) = 0;
+
+ ///
+ /// Render unicode codepoints to given position.
+ ///
+ /// @param content Unicode codepoints to be typesetted.
+ /// @param x X value of the position.
+ /// @param y Y value of the position.
+ /// @param lineheight Line height of the content.
+ /// @param spacing Spacing between characters.
+ ///
+ virtual void render(const Content& content, int x, int y, int lineheight, int spacing = 0) = 0;
+
+ ///
+ /// Render text to given position.
+ ///
+ /// @param text Text to be rendered.
+ /// @param x X value of the position.
+ /// @param y Y value of the position.
+ /// @param lineheight Line height of the text.
+ /// @param spacing Spacing between characters.
+ ///
+ virtual void render(const Text& text, int x, int y, int lineheight, int spacing = 0) = 0;
+
+ ///
+ /// Get font size.
+ ///
+ /// @return Font size.
+ ///
+ inline unsigned getFontSize() { return mFontSize; };
+
+ protected:
+
+ unsigned mFontSize;
+
+ };
+
+ } // namespace Fonts
+ } // namespace Graphics
+} // namespace JinEngine
+
+#endif // __JE_FONT_H__
diff --git a/src/libjin/graphics/fonts/je_page.h b/src/libjin/graphics/fonts/je_page.h
new file mode 100644
index 0000000..707f53a
--- /dev/null
+++ b/src/libjin/graphics/fonts/je_page.h
@@ -0,0 +1,54 @@
+#ifndef __JE_PAGE_H__
+#define __JE_PAGE_H__
+
+#include "../../math/je_vector2.hpp"
+
+#include "je_font.h"
+
+namespace JinEngine
+{
+ namespace Graphics
+ {
+ namespace Fonts
+ {
+
+ class Font;
+
+ ///
+ /// Glyphs data to be rendered.
+ ///
+ struct GlyphVertex
+ {
+ int x, y; ///< screen coordinates
+ float u, v; ///< normalized texture uv
+ };
+
+ ///
+ /// Glyphs info for reducing draw call.
+ ///
+ struct GlyphArrayDrawInfo
+ {
+ GLuint texture; ///< atlas
+ unsigned int start; ///< glyph vertex indecies
+ unsigned int count; ///< glyph vertex count
+ };
+
+ ///
+ /// Page to be rendered.
+ ///
+ /// A page is a pre-rendered text struct for reducing draw call. Each page
+ /// keeps a font pointer which should not be changed.
+ ///
+ struct Page
+ {
+ Font* font;
+ std::vector<GlyphArrayDrawInfo> glyphinfolist;
+ std::vector<GlyphVertex> glyphvertices;
+ Math::Vector2<int> size;
+ };
+
+ } // namespace Fonts
+ } // namespace Graphics
+} // namespace JinEngine
+
+#endif // __JE_PAGE_H__
diff --git a/src/libjin/graphics/fonts/je_text.cpp b/src/libjin/graphics/fonts/je_text.cpp
new file mode 100644
index 0000000..80aaa6a
--- /dev/null
+++ b/src/libjin/graphics/fonts/je_text.cpp
@@ -0,0 +1,157 @@
+#include <cstring>
+
+#include "je_text.h"
+#include "je_decoder.h"
+
+namespace JinEngine
+{
+ namespace Graphics
+ {
+ namespace Fonts
+ {
+
+ /////////////////////////////////////////////////////////////////////////////
+ // iterator
+ /////////////////////////////////////////////////////////////////////////////
+
+ Text::Iterator::Iterator(const Iterator& itor)
+ : data(itor.data)
+ , p(itor.p)
+ , encode(itor.encode)
+ , length(itor.length)
+ {
+ switch (encode)
+ {
+ case Encode::UTF8: decoder = new Utf8(); break;
+ case Encode::ASCII: decoder = new Ascii(); break;
+ }
+ }
+
+ Text::Iterator::Iterator(const Encode& _encode, const void* _data, unsigned int _length)
+ : data(_data)
+ , p(_data)
+ , encode(_encode)
+ , length(_length)
+ {
+ switch (encode)
+ {
+ case Encode::UTF8: decoder = new Utf8(); break;
+ case Encode::ASCII: decoder = new Ascii(); break;
+ }
+ }
+
+ Text::Iterator::~Iterator()
+ {
+ delete decoder;
+ }
+
+ Codepoint Text::Iterator::get()
+ {
+ Codepoint codepoint;
+ decoder->decode(p, &codepoint);
+ return codepoint;
+ }
+
+ Codepoint Text::Iterator::operator*()
+ {
+ return get();
+ }
+ /*
+ Text::Iterator Text::Iterator::begin()
+ {
+ Iterator itor(encode, data, length);
+ itor.toBegin();
+ return itor;
+ }
+
+ Text::Iterator Text::Iterator::end()
+ {
+ Iterator itor(encode, data, length);
+ itor.toEnd();
+ return itor;
+ }
+ */
+ void Text::Iterator::toBegin()
+ {
+ p = (const unsigned char*)data;
+ }
+
+ void Text::Iterator::toEnd()
+ {
+ p = (const unsigned char*)data + length;
+ }
+
+ Text::Iterator& Text::Iterator::operator ++()
+ {
+ p = decoder->next(p);
+ return *this;
+ }
+
+ Text::Iterator Text::Iterator::operator ++(int)
+ {
+ p = decoder->next(p);
+ Iterator itor(encode, data, length);
+ itor.p = p;
+ return itor;
+ }
+
+ bool Text::Iterator::operator !=(const Iterator& itor)
+ {
+ return !(data == itor.data
+ && p == itor.p
+ && length == itor.length
+ && encode == itor.encode);
+ }
+
+ bool Text::Iterator::operator ==(const Iterator& itor)
+ {
+ return data == itor.data
+ && p == itor.p
+ && length == itor.length
+ && encode == itor.encode;
+ }
+
+ /////////////////////////////////////////////////////////////////////////////
+ // text
+ /////////////////////////////////////////////////////////////////////////////
+
+ Text::Text(Encode encode, const void* data)
+ {
+ unsigned length = strlen((const char*)data);
+ Iterator end = Iterator(encode, data, length);
+ end.toEnd();
+ Iterator it = Iterator(encode, data, length);
+ for (; it != end; ++it)
+ {
+ content.push_back(*it);
+ }
+ }
+
+ Text::Text(Encode encode, const void* data, unsigned length)
+ {
+ Iterator end = Iterator(encode, data, length);
+ end.toEnd();
+ Iterator it = Iterator(encode, data, length);
+ for (; it != end; ++it)
+ {
+ content.push_back(*it);
+ }
+ }
+
+ Text::~Text()
+ {
+ }
+
+ const Content& Text::getContent() const
+ {
+ return content;
+ }
+
+ const Content& Text::operator*() const
+ {
+ return content;
+ }
+
+ } // namespace Fonts
+ } // namespace Graphics
+} // namespace JinEngine \ No newline at end of file
diff --git a/src/libjin/graphics/fonts/je_text.h b/src/libjin/graphics/fonts/je_text.h
new file mode 100644
index 0000000..6e6f8b0
--- /dev/null
+++ b/src/libjin/graphics/fonts/je_text.h
@@ -0,0 +1,172 @@
+#ifndef __JE_TEXT_H__
+#define __JE_TEXT_H__
+
+#include <vector>
+
+namespace JinEngine
+{
+ namespace Graphics
+ {
+ namespace Fonts
+ {
+
+ typedef unsigned int Codepoint;
+
+ typedef std::vector<Codepoint> Content;
+
+ class Text;
+
+ class Decoder;
+
+ ///
+ /// Supported text encoding.
+ ///
+ enum Encode
+ {
+ UTF8, ///< utf-8
+ ASCII, ///< ASCII
+ };
+
+ ///
+ /// Decoded text. Saved as unicode codepoints.
+ ///
+ class Text
+ {
+ public:
+ ///
+ ///
+ ///
+ Text(Encode encode, const void* data);
+
+ ///
+ ///
+ ///
+ Text(Encode encode, const void* data, unsigned int length);
+
+ ///
+ ///
+ ///
+ ~Text();
+
+ ///
+ ///
+ ///
+ const Content& getContent() const;
+
+ ///
+ ///
+ ///
+ const Content& operator*() const;
+
+ private:
+ ///
+ ///
+ ///
+ class Iterator
+ {
+ public:
+
+ ///
+ ///
+ ///
+ Iterator(const Iterator& itor);
+
+ ///
+ ///
+ ///
+ Iterator(const Encode& encode, const void* data, unsigned int length);
+
+ ///
+ ///
+ ///
+ ~Iterator();
+
+ ///
+ ///
+ ///
+ Codepoint get();
+
+ //Iterator begin();
+ //Iterator end();
+
+ ///
+ ///
+ ///
+ void toBegin();
+
+ ///
+ ///
+ ///
+ void toEnd();
+
+ ///
+ ///
+ ///
+ Codepoint operator *();
+
+ ///
+ ///
+ ///
+ Iterator& operator ++();
+
+ ///
+ ///
+ ///
+ Iterator operator ++(int);
+
+ ///
+ ///
+ ///
+ bool operator !=(const Iterator& itor);
+
+ ///
+ ///
+ ///
+ bool operator ==(const Iterator& itor);
+
+ private:
+
+ ///
+ ///
+ ///
+ void operator = (const Iterator&);
+
+ ///
+ ///
+ ///
+ const Encode encode;
+
+ ///
+ ///
+ ///
+ const Decoder* decoder;
+
+ ///
+ ///
+ ///
+ const void* p;
+
+ ///
+ ///
+ ///
+ const void* const data;
+
+ ///
+ ///
+ ///
+ unsigned int length;
+
+ };
+
+ ///
+ ///
+ ///
+ Content content;
+
+ };
+
+ }
+ } // namespace Graphics
+} // namespace JinEngine
+
+#endif \ No newline at end of file
diff --git a/src/libjin/graphics/fonts/je_texture_font.cpp b/src/libjin/graphics/fonts/je_texture_font.cpp
new file mode 100644
index 0000000..3599c58
--- /dev/null
+++ b/src/libjin/graphics/fonts/je_texture_font.cpp
@@ -0,0 +1,322 @@
+#include <vector>
+
+#include "../../math/je_vector2.hpp"
+
+#include "../shaders/je_shader.h"
+
+#include "je_texture_font.h"
+
+using namespace std;
+using namespace JinEngine::Math;
+using namespace JinEngine::Graphics::Shaders;
+
+namespace JinEngine
+{
+ namespace Graphics
+ {
+ namespace Fonts
+ {
+
+ TextureFont * TextureFont::createTextureFont(const Bitmap* bitmap, const Content& codepoints, int cellw, int cellh)
+ {
+ TextureFont* tf = new TextureFont(bitmap, codepoints, cellw, cellh);
+ return tf;
+ }
+
+ TextureFont * TextureFont::createTextureFont(const Bitmap* bitmap, const Text& codepoints, int cellw, int cellh)
+ {
+ TextureFont* tf = new TextureFont(bitmap, *codepoints, cellw, cellh);
+ return tf;
+ }
+
+ TextureFont* TextureFont::createTextureFont(const Bitmap* bitmap, const Content& codepoints, Color mask, int cellh)
+ {
+ TextureFont* tf = new TextureFont(bitmap, codepoints, mask, cellh);
+ return tf;
+ }
+
+ TextureFont* TextureFont::createTextureFont(const Bitmap* bitmap, const Text& codepoints, Color mask, int cellh)
+ {
+ TextureFont* tf = new TextureFont(bitmap, *codepoints, mask, cellh);
+ return tf;
+ }
+
+ TextureFont::~TextureFont()
+ {
+ }
+
+ const TextureFont::TextureGlyph* TextureFont::findGlyph(Codepoint codepoint) const
+ {
+ auto it = glyphs.find(codepoint);
+ if (it != glyphs.end())
+ {
+ return &it->second;
+ }
+ else
+ return nullptr;
+ }
+
+ Page* TextureFont::typeset(const Content& text, int lineheight, int spacing)
+ {
+ Page* page = new Page();
+ page->font = this;
+ vector<GlyphArrayDrawInfo>& glyphinfolist = page->glyphinfolist;
+ vector<GlyphVertex>& glyphvertices = page->glyphvertices;
+ int texture = -1;
+ const TextureGlyph* glyph = nullptr;
+ GlyphVertex vertex;
+ Vector2<int> p(0, 0);
+ int i = 0;
+
+#define glyphvertices_push(_x, _y, _u, _v) \
+ vertex.x = _x; vertex.y = _y;\
+ vertex.u = _u; vertex.v = _v;\
+ glyphvertices.push_back(vertex);\
+
+ for (Codepoint c : text)
+ {
+ // return
+ if (c == 0x0D) continue;
+ // newline
+ if (c == 0x0A)
+ {
+ p.y += lineheight;
+ p.x = 0;
+ continue;
+ }
+ if (c == 0x09)
+ {
+ // tab = 4*space
+ unsigned cw = getCharWidth(0x20);
+ p.x += cw * 4;
+ continue;
+ }
+ glyph = findGlyph(c);
+ if (glyph == nullptr) continue;
+ if (texture != getGLTexture())
+ {
+ texture = getGLTexture();
+ GlyphArrayDrawInfo info;
+ info.start = i;
+ info.count = 0;
+ info.texture = texture;
+ glyphinfolist.push_back(info);
+ }
+ glyphinfolist[glyphinfolist.size() - 1].count += 4;
+ // normalized
+ float w = getWidth(), h = getHeight();
+ float nx = glyph->x / w, ny = glyph->y / h;
+ float nw = glyph->w / w, nh = glyph->h / h;
+ glyphvertices_push(p.x, p.y, nx, ny);
+ glyphvertices_push(p.x, p.y + glyph->h, nx, ny + nh);
+ glyphvertices_push(p.x + glyph->w, p.y + glyph->h, nx + nw, ny + nh);
+ glyphvertices_push(p.x + glyph->w, p.y, nx + nw, ny);
+ p.x += glyph->w + spacing;
+ i += 4;
+ }
+ getTextBox(text, &page->size.w, &page->size.h, lineheight, spacing);
+ return page;
+ }
+
+ int TextureFont::getCharWidth(int c)
+ {
+ auto it = glyphs.find(c);
+ if (it != glyphs.end())
+ {
+ return it->second.w;
+ }
+ return 0;
+ }
+
+ int TextureFont::getCharHeight(int c)
+ {
+ auto it = glyphs.find(c);
+ if (it != glyphs.end())
+ {
+ return it->second.h;
+ }
+ return 0;
+ }
+
+ int TextureFont::getTextWidth(const Content& t, int spacing)
+ {
+ int res = 0;
+ int tmp = 0;
+ for (Codepoint c : t)
+ {
+ if (c == 0x0D)
+ continue;
+ if (c == 0x0A)
+ {
+ tmp = 0;
+ continue;
+ }
+ if (c == 0x09)
+ {
+ // tab = 4*space
+ unsigned cw = getCharWidth(0x20);
+ tmp += cw * 4;
+ if (tmp > res) res = tmp;
+ continue;
+ }
+ tmp += getCharWidth(c) + spacing;
+ if (tmp > res) res = tmp;
+ }
+ return res;
+ }
+
+ int TextureFont::getTextHeight(const Content& t, int lineheight)
+ {
+ int res = 0;
+ bool newline = true;
+ for (Codepoint c : t)
+ {
+ if (c == 0x0A)
+ newline = true;
+ else if (c == 0x0D);
+ else if (newline)
+ {
+ newline = false;
+ res += lineheight;
+ }
+ }
+ return res;
+ }
+
+ void TextureFont::getTextBox(const Content& text, int* w, int* h, int lineheight, int spacing)
+ {
+ *w = 0;
+ *h = 0;
+ int tmp = 0;
+ bool newline = true;
+ for (Codepoint c : text)
+ {
+ if (c == 0x0D)
+ continue;
+ if (c == 0x0A)
+ {
+ tmp = 0;
+ newline = true;
+ continue;
+ }
+ else if (newline)
+ {
+ newline = false;
+ *h += lineheight;
+ }
+ tmp += getCharWidth(c) + spacing;
+ if (tmp > *w)
+ *w = tmp;
+ }
+ }
+
+ Page* TextureFont::typeset(const Text& text, int lineheight, int spacing)
+ {
+ return typeset(*text, lineheight, spacing);
+ }
+
+ void TextureFont::render(const Page* page, int x, int y)
+ {
+ Shader* shader = Shader::getCurrentShader();
+ const vector<GlyphArrayDrawInfo>& glyphinfolist = page->glyphinfolist;
+ const vector<GlyphVertex>& glyphvertices = page->glyphvertices;
+ Matrix modelMatrix = gl.getModelViewMatrix(x, y, 1, 1, 0, 0, 0);
+ shader->sendMatrix4(SHADER_MODELVIEW_MATRIX, &modelMatrix);
+ shader->sendMatrix4(SHADER_PROJECTION_MATRIX, &gl.getProjectionMatrix());
+ for (int i = 0; i < glyphinfolist.size(); ++i)
+ {
+ const GlyphArrayDrawInfo& info = glyphinfolist[i];
+ shader->setVertexPointer(2, GL_INT, sizeof(GlyphVertex), &glyphvertices[info.start].x);
+ shader->setUVPointer(2, GL_FLOAT, sizeof(GlyphVertex), &glyphvertices[info.start].u);
+ gl.bindTexture(info.texture);
+ gl.drawArrays(GL_QUADS, 0, info.count);
+ gl.bindTexture(0);
+ }
+ }
+
+ void TextureFont::render(const Content& text, int x, int y, int lineheight, int spacing)
+ {
+ Page* page = typeset(text, lineheight, spacing);
+ render(page, x, y);
+ delete page;
+ }
+
+ void TextureFont::render(const Text& text, int x, int y, int lineheight, int spacing)
+ {
+ Page* page = typeset(text, lineheight, spacing);
+ render(page, x, y);
+ delete page;
+ }
+
+ TextureFont::TextureFont(const Bitmap* bitmap, const Content& codepoints, int cellw, int cellh)
+ : Graphic(bitmap)
+ , Font(cellh)
+ {
+ TextureGlyph glyph;
+ Vector2<int> count(bitmap->getWidth() / cellw, bitmap->getHeight() / cellh);
+ glyph.w = cellw;
+ glyph.h = cellh;
+ for (int y = 0; y < count.row; ++y)
+ {
+ glyph.y = y * cellh;
+ for (int x = 0; x < count.colum; ++x)
+ {
+ glyph.x = x * cellw;
+ if (x + y * count.colum >= codepoints.size())
+ return;
+ glyphs.insert(std::pair<Codepoint, TextureGlyph>(codepoints[x + y * count.colum], glyph));
+ }
+ }
+ }
+
+ TextureFont::TextureFont(const Bitmap* bitmap, const Content& codepoints, Color mask, int cellh)
+ : Graphic(bitmap)
+ , Font(cellh)
+ {
+ TextureGlyph glyph;
+ glyph.h = cellh;
+ int w = bitmap->getWidth();
+ int h = bitmap->getHeight();
+ int i = 0;
+ for (int y = 0; y < h; y += cellh)
+ {
+ glyph.y = y;
+ bool newc = false;
+ for (int x = 0; x <= w; ++x)
+ {
+ if (x == w && newc)
+ {
+ glyph.w = x - glyph.x;
+ if (i >= codepoints.size())
+ return;
+ glyphs.insert(std::pair<Codepoint, TextureGlyph>(codepoints[i], glyph));
+ ++i;
+ newc = false;
+ break;
+ }
+ Color c = bitmap->getPixels()[x + y * w];
+ if (!newc && c != mask)
+ {
+ glyph.x = x;
+ newc = true;
+ }
+ else if (newc && c == mask)
+ {
+ glyph.w = x - glyph.x;
+ if (i >= codepoints.size())
+ return;
+ glyphs.insert(std::pair<Codepoint, TextureGlyph>(codepoints[i], glyph));
+ if (codepoints[i] == 't')
+ {
+ int a = 10;
+ }
+ ++i;
+ newc = false;
+ }
+ }
+ }
+ }
+
+ }
+ }
+} \ No newline at end of file
diff --git a/src/libjin/graphics/fonts/je_texture_font.h b/src/libjin/graphics/fonts/je_texture_font.h
new file mode 100644
index 0000000..8a50699
--- /dev/null
+++ b/src/libjin/graphics/fonts/je_texture_font.h
@@ -0,0 +1,144 @@
+#ifndef __JE_TEXTURE_FONT_H__
+#define __JE_TEXTURE_FONT_H__
+
+#include <map>
+#include <vector>
+
+#include "../../math/je_vector4.hpp"
+
+#include "../je_graphic.h"
+#include "../je_bitmap.h"
+
+#include "je_page.h"
+#include "je_font.h"
+#include "je_text.h"
+
+namespace JinEngine
+{
+ namespace Graphics
+ {
+ namespace Fonts
+ {
+
+ ///
+ ///
+ ///
+ class TextureFont
+ : public Font
+ , public Graphic
+ {
+ public:
+
+ ///
+ ///
+ ///
+ static TextureFont* createTextureFont(const Bitmap* bitmap, const Content& codepoints, int cellw, int cellh);
+
+ ///
+ ///
+ ///
+ static TextureFont* createTextureFont(const Bitmap* bitmap, const Text& text, int cellw, int cellh);
+
+ ///
+ ///
+ ///
+ static TextureFont* createTextureFont(const Bitmap* bitmap, const Content& codepoints, Color mask, int cellh);
+
+ ///
+ ///
+ ///
+ static TextureFont* createTextureFont(const Bitmap* bitmap, const Text& text, Color mask, int cellh);
+
+ ///
+ ///
+ ///
+ ~TextureFont();
+
+ ///
+ ///
+ ///
+ Page* typeset(const Text& text, int lineheight, int spacing = 0) override;
+
+ ///
+ ///
+ ///
+ Page* typeset(const Content& text, int lineheight, int spacing = 0) override;
+
+ ///
+ ///
+ ///
+ void render(const Page* page, int x, int y) override;
+
+ ///
+ ///
+ ///
+ void render(const Content& text, int x, int y, int linehgiht, int spacing = 0) override;
+
+ ///
+ ///
+ ///
+ void render(const Text& text, int x, int y, int lineheight, int spacing = 0)override;
+
+ private:
+
+ ///
+ ///
+ ///
+ struct TextureGlyph
+ {
+ float x, y, w, h;
+ };
+
+ ///
+ ///
+ ///
+ TextureFont(const Bitmap* bitmap, const Content& codepoints, int cellw, int cellh);
+
+ ///
+ ///
+ ///
+ TextureFont(const Bitmap* bitmap, const Content& codepoints, Color mask, int cellh);
+
+ ///
+ ///
+ ///
+ int getCharWidth(int c);
+
+ ///
+ ///
+ ///
+ int getCharHeight(int c);
+
+ ///
+ ///
+ ///
+ int getTextWidth(const Content& text, int spacing = 0);
+
+ ///
+ ///
+ ///
+ int getTextHeight(const Content& text, int lineheight);
+
+ ///
+ ///
+ ///
+ void getTextBox(const Content& text, int* w, int* h, int lineheight, int spacing = 0);
+
+ ///
+ ///
+ ///
+ const TextureGlyph* findGlyph(Codepoint codepoint) const;
+
+
+ ///
+ ///
+ ///
+ std::map<Codepoint, TextureGlyph> glyphs;
+
+ };
+
+ } // namespace Fonts
+ } // namespace Graphics
+} // namespace JinEngine
+
+#endif \ No newline at end of file
diff --git a/src/libjin/graphics/fonts/je_ttf.cpp b/src/libjin/graphics/fonts/je_ttf.cpp
new file mode 100644
index 0000000..1f79558
--- /dev/null
+++ b/src/libjin/graphics/fonts/je_ttf.cpp
@@ -0,0 +1,468 @@
+#include "../../core/je_configuration.h"
+#if defined(jin_graphics)
+
+#include <stdio.h>
+
+#include "../../common/je_array.hpp"
+
+#include "../je_gl.h"
+#include "../je_color.h"
+#include "../shaders/je_shader.h"
+
+#include "je_ttf.h"
+#include "je_page.h"
+
+#define STB_TRUETYPE_IMPLEMENTATION
+#include "stb/stb_truetype.h"
+
+using namespace JinEngine::Graphics::Shaders;
+
+namespace JinEngine
+{
+ namespace Graphics
+ {
+ namespace Fonts
+ {
+
+ //////////////////////////////////////////////////////////////////////////////////////////////////////
+ // TTFData
+ //////////////////////////////////////////////////////////////////////////////////////////////////////
+
+ TTFData* TTFData::createTTFData(const unsigned char* data, unsigned int size)
+ {
+ TTFData* ttf = nullptr;
+ try
+ {
+ ttf = new TTFData(data, size);
+ return ttf;
+ }
+ catch (...)
+ {
+ return nullptr;
+ }
+ }
+
+ TTFData::TTFData(const unsigned char* d, unsigned int s)
+ {
+ raw.size = s;
+ raw.data = (unsigned char*)malloc(s);
+ memcpy(raw.data, d, s);
+ if (!stbtt_InitFont(&info, (const unsigned char*)raw.data, 0))
+ {
+ delete raw.data;
+ throw 0;
+ }
+ /* push default fontsize */
+ pushTTFsize(FONT_SIZE);
+ }
+
+ TTFData::~TTFData()
+ {
+ free(raw.data);
+ }
+
+ TTF* TTFData::createTTF(unsigned fontSize)
+ {
+ TTF* ttf;
+ try
+ {
+ ttf = new TTF(this, fontSize);
+ }
+ catch (...)
+ {
+ return nullptr;
+ }
+ return ttf;
+ }
+
+ /*
+ * (0, 0)
+ * +--------------+ ascent
+ * | +--------+ |
+ * | | | |
+ * | | bitmap | |
+ * +--|--------|--+ baseline
+ * | +--------+ |
+ * +--|-----------+ decent
+ * | |
+ * leftSideBearing |
+ * advanceWidth
+ */
+ void TTFData::getVMetrics(int* baseline, int* descent)
+ {
+ float scale = scales.back();
+ int ascent;
+ stbtt_GetFontVMetrics(&info, &ascent, descent, 0);
+ *baseline = (int)(ascent*scale) + 1; // slight adjustment
+ *descent = *baseline - (int)(*descent*scale) + 1;
+ }
+
+ void TTFData::getHMetrics(unsigned int codepoint, int* advanceWidth, int* leftSideBearing)
+ {
+ float scale = scales.back();
+ int adw, lsb;
+ stbtt_GetCodepointHMetrics(&info, codepoint, &adw, &lsb);
+ *advanceWidth = (int)(adw*scale);
+ *leftSideBearing = (int)(lsb*scale);
+ }
+
+ void TTFData::pushTTFsize(unsigned int fs)
+ {
+ float sc = stbtt_ScaleForPixelHeight(&info, fs);
+ scales.push_back(sc);
+ }
+
+ void TTFData::popTTFsize()
+ {
+ /* always keep default ttf size on the bottom of stack */
+ if (scales.size() > 1)
+ scales.pop_back();
+ }
+
+ Channel* TTFData::getCodepointBitmapAlpha(unsigned int codepoint, int* width, int* height, int* xoff, int* yoff) const
+ {
+ float scale = scales.back();
+ Channel* bitmap = stbtt_GetCodepointBitmap(&info, scale, scale, codepoint, width, height, xoff, yoff);
+ return bitmap;
+ }
+
+ Color* TTFData::getCodepointBitmap(unsigned int codepoint, int* width, int* height, int* xoff, int* yoff) const
+ {
+ float scale = scales.back();
+ Channel* bitmap = stbtt_GetCodepointBitmap(&info, scale, scale, codepoint, width, height, xoff, yoff);
+ int w = *width, h = *height;
+ //int xo = *xoff, yo = *yoff;
+ Color* bitmap32 = new Color[w*h];
+ for (int y = 0; y < h; ++y)
+ {
+ for (int x = 0; x < w; ++x)
+ {
+ bitmap32[x + y * w].set(0xff, 0xff, 0xff, bitmap[x + y * w]);
+ }
+ }
+ free(bitmap);
+ return bitmap32;
+ }
+
+ //////////////////////////////////////////////////////////////////////////////////////////////////////
+ // TTF
+ //////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#include "../shaders/built-in/je_font.shader.h"
+
+ using namespace std;
+ using namespace JinEngine::Math;
+
+ const int TTF::TEXTURE_WIDTHS[] = { 128, 256, 256, 512, 512, 1024, 1024 };
+ const int TTF::TEXTURE_HEIGHTS[] = { 128, 128, 256, 256, 512, 512, 1024 };
+
+ /* little endian unicode */
+ static const char* unicodeLittleEndian(const char* p, unsigned* res)
+ {
+ }
+
+ ///*static*/ TTF* TTF::createTTF(TTFData* fontData, unsigned int fontSzie)
+ //{
+ // TTF* ttf;
+ // try
+ // {
+ // ttf = new TTF(fontData, fontSzie);
+ // }
+ // catch (...)
+ // {
+ // return nullptr;
+ // }
+ // return ttf;
+ //}
+
+ TTF::TTF(TTFData* f, unsigned int fontSize)
+ : Font(fontSize)
+ , cursor(0, 0)
+ , ttf(f)
+ {
+ ttf->pushTTFsize(fontSize);
+ ttf->getVMetrics(&baseline, &descent);
+ estimateSize();
+ ttf->popTTFsize();
+ /* create a default texture */
+ createAtlas();
+ }
+
+ /* estimate the size of atlas texture */
+ void TTF::estimateSize()
+ {
+ for (int level = 0; level <= TEXTURE_SIZE_LEVEL_MAX; ++level)
+ {
+ if (descent * (descent*0.8) * 96 <= TEXTURE_WIDTHS[level] * TEXTURE_HEIGHTS[level])
+ {
+ textureWidth = TEXTURE_WIDTHS[level];
+ textureHeight = TEXTURE_HEIGHTS[level];
+ break;
+ }
+ }
+ }
+
+ TTF::~TTF()
+ {
+ }
+
+ GLuint TTF::createAtlas()
+ {
+ GLuint t;
+ gl.flushError();
+ t = gl.genTexture();
+ gl.bindTexture(t);
+ gl.setTexParameter(GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ gl.setTexParameter(GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ gl.setTexParameter(GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ gl.setTexParameter(GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ gl.texImage(GL_RGBA8, textureWidth, textureHeight, GL_RGBA, GL_UNSIGNED_BYTE);
+ if (glGetError() != GL_NO_ERROR)
+ {
+ glDeleteTextures(1, &t);
+ gl.bindTexture(0);
+ return 0;
+ }
+ atlases.push_back(t);
+ gl.bindTexture(0);
+ return t;
+ }
+
+ void TTF::render(const Content& t, int x, int y, int lineheight, int spacing)
+ {
+ Page* page = typeset(t, lineheight, spacing);
+ render(page, x, y);
+ delete page;
+ }
+
+ Page* TTF::typeset(const Content& text, int lineheight, int spacing)
+ {
+ Page* page = new Page();
+ page->font = this;
+ vector<GlyphArrayDrawInfo>& glyphinfolist = page->glyphinfolist;
+ vector<GlyphVertex>& glyphvertices = page->glyphvertices;
+ int texture = -1;
+ TTFGlyph* glyph = nullptr;
+ GlyphVertex vertex;
+ Vector2<int> p(0, 0);
+ int i = 0;
+
+#define glyphvertices_push(_x, _y, _u, _v) \
+ vertex.x = _x; vertex.y = _y;\
+ vertex.u = _u; vertex.v = _v;\
+ glyphvertices.push_back(vertex);
+
+#define glyphlize(c)\
+ do{\
+ glyph = &findGlyph(c); \
+ if (texture != glyph->atlas) \
+ { \
+ GlyphArrayDrawInfo info; \
+ info.start = i; \
+ info.count = 0; \
+ info.texture = glyph->atlas; \
+ texture = glyph->atlas; \
+ glyphinfolist.push_back(info); \
+ } \
+ glyphinfolist[glyphinfolist.size() - 1].count += 4; \
+ TTFGlyph::Bbox& bbox = glyph->bbox; \
+ glyphvertices_push(p.x, p.y, bbox.x, bbox.y); \
+ glyphvertices_push(p.x, p.y + glyph->height, bbox.x, bbox.y + bbox.h); \
+ glyphvertices_push(p.x + glyph->width, p.y + glyph->height, bbox.x + bbox.w, bbox.y + bbox.h); \
+ glyphvertices_push(p.x + glyph->width, p.y, bbox.x + bbox.w, bbox.y); \
+ }while(0)
+
+ for (Codepoint c : text)
+ {
+ if (c == 0x0D)
+ continue;
+ if (c == 0x0A)
+ {
+ /* new line */
+ p.y += lineheight;
+ p.x = 0;
+ continue;
+ }
+ if (c == 0x09)
+ {
+ // tab = 4*space
+ unsigned cw = getCharWidth(0x20);
+ p.x += cw * 4;
+ continue;
+ }
+ glyphlize(c);
+ p.x += glyph->width + spacing;
+ i += 4;
+ }
+ getTextBox(text, &page->size.w, &page->size.h, lineheight, spacing);
+ return page;
+ }
+
+ Page* TTF::typeset(const Text& text, int lineheight, int spacing)
+ {
+ return typeset(*text, lineheight, spacing);
+ }
+
+ void TTF::render(const Page* page, int x, int y)
+ {
+ Shader* shader = Shader::getCurrentShader();
+ const vector<GlyphArrayDrawInfo>& glyphinfolist = page->glyphinfolist;
+ const vector<GlyphVertex>& glyphvertices = page->glyphvertices;
+ Matrix modelMatrix = gl.getModelViewMatrix(x, y, 1, 1, 0, 0, 0);
+ shader->sendMatrix4(SHADER_MODELVIEW_MATRIX, &modelMatrix);
+ shader->sendMatrix4(SHADER_PROJECTION_MATRIX, &gl.getProjectionMatrix());
+ for (int i = 0; i < glyphinfolist.size(); ++i)
+ {
+ const GlyphArrayDrawInfo& info = glyphinfolist[i];
+ shader->setVertexPointer(2, GL_INT, sizeof(GlyphVertex), &glyphvertices[info.start].x);
+ shader->setUVPointer(2, GL_FLOAT, sizeof(GlyphVertex), &glyphvertices[info.start].u);
+ gl.bindTexture(info.texture);
+ gl.drawArrays(GL_QUADS, 0, info.count);
+ gl.bindTexture(0);
+ }
+ }
+
+ void TTF::render(const Text& text, int x, int y, int lineheight, int spacing /* = 0 */)
+ {
+ render(*text, x, y, lineheight, spacing);
+ }
+
+ int TTF::getCharWidth(int c)
+ {
+ int adw, lsb;
+ ttf->pushTTFsize(mFontSize);
+ ttf->getHMetrics(c, &adw, &lsb);
+ ttf->popTTFsize();
+ return adw;
+ }
+
+ int TTF::getCharHeight(int c)
+ {
+ return descent;
+ }
+
+ int TTF::getTextWidth(const Content& t, int spacing)
+ {
+ ttf->pushTTFsize(mFontSize);
+ int res = 0;
+ int tmp = 0;
+ for (Codepoint c : t)
+ {
+ if (c == 0x0D)
+ continue;
+ if (c == 0x0A)
+ {
+ tmp = 0;
+ continue;
+ }
+ tmp += getCharWidth(c) + spacing;
+ if (tmp > res)
+ res = tmp;
+ }
+ ttf->popTTFsize();
+ return res;
+ }
+
+ int TTF::getTextHeight(const Content& t, int lineheight)
+ {
+ ttf->pushTTFsize(mFontSize);
+ int res = 0;
+ bool newline = true;
+ for (Codepoint c : t)
+ {
+ if (c == 0x0A)
+ newline = true;
+ else if (c == 0x0D);
+ else if (newline)
+ {
+ newline = false;
+ res += lineheight;
+ }
+ }
+ ttf->popTTFsize();
+ return res;
+ }
+
+ void TTF::getTextBox(const Content& text, int* w, int* h, int lineheight, int spacing)
+ {
+ ttf->pushTTFsize(mFontSize);
+ *w = 0;
+ *h = 0;
+ int tmp = 0;
+ bool newline = true;
+ for (Codepoint c : text)
+ {
+ if (c == 0x0D)
+ continue;
+ if (c == 0x0A)
+ {
+ tmp = 0;
+ newline = true;
+ continue;
+ }
+ else if (newline)
+ {
+ newline = false;
+ *h += lineheight;
+ }
+ tmp += getCharWidth(c) + spacing;
+ if (tmp > *w)
+ *w = tmp;
+ }
+ ttf->popTTFsize();
+ }
+
+ TTF::TTFGlyph& TTF::bakeGlyph(unsigned int character)
+ {
+ int w, h, xoff, yoff;
+ ttf->pushTTFsize(mFontSize);
+ GLuint atlas = atlases.back();
+ const Color* bitmap = ttf->getCodepointBitmap(character, &w, &h, &xoff, &yoff);
+ int adw, lsb;
+ {
+ /* bake glyph */
+ ttf->getHMetrics(character, &adw, &lsb);
+ ttf->popTTFsize();
+ if (cursor.x + adw > textureWidth)
+ {
+ cursor.x = 0;
+ cursor.y += descent;
+ if (cursor.y + descent * 2 > textureHeight)
+ {
+ /* create new atlas */
+ atlas = createAtlas();
+ cursor.y = 0;
+ }
+ }
+ gl.bindTexture(atlas);
+ gl.texSubImage(cursor.x + xoff, cursor.y + yoff + baseline, w, h, GL_RGBA, GL_UNSIGNED_BYTE, bitmap);
+ gl.bindTexture();
+ delete[] bitmap;
+ }
+ TTFGlyph glyph;
+ glyph.atlas = atlas;
+ glyph.bbox.x = cursor.x / (float)textureWidth;
+ glyph.bbox.y = cursor.y / (float)textureHeight;
+ glyph.bbox.w = adw / (float)textureWidth;
+ glyph.bbox.h = descent / (float)textureHeight;
+ glyph.width = adw;
+ glyph.height = descent;
+ glyphs.insert(std::pair<unsigned int, TTFGlyph>(character, glyph));
+ cursor.x += adw;
+ return glyphs[character];
+ }
+
+ TTF::TTFGlyph& TTF::findGlyph(unsigned int character)
+ {
+ map<unsigned int, TTFGlyph>::iterator it = glyphs.find(character);
+ if (it != glyphs.end())
+ return it->second;
+ else
+ return bakeGlyph(character);
+ }
+
+ } // namespace Fonts
+ } // namespace Graphics
+} // namespace JinEngine
+
+#endif // defined(jin_graphics) \ No newline at end of file
diff --git a/src/libjin/graphics/fonts/je_ttf.h b/src/libjin/graphics/fonts/je_ttf.h
new file mode 100644
index 0000000..28260f6
--- /dev/null
+++ b/src/libjin/graphics/fonts/je_ttf.h
@@ -0,0 +1,292 @@
+#ifndef __JE_TTF_H__
+#define __JE_TTF_H__
+#include "../../core/je_configuration.h"
+#if defined(jin_graphics)
+
+#include <vector>
+#include <map>
+
+#include "stb/stb_truetype.h"
+
+#include "../../math/je_quad.h"
+
+#include "../je_color.h"
+#include "../je_graphic.h"
+
+#include "je_page.h"
+#include "je_font.h"
+#include "je_text.h"
+
+namespace JinEngine
+{
+ namespace Graphics
+ {
+ namespace Fonts
+ {
+
+ class TTF;
+
+ //
+ // TTFData
+ // |- TTF(14px)
+ // |- TTF(15px)
+ // .
+ // .
+ // .
+ //
+ class TTFData
+ {
+ public:
+
+ ///
+ ///
+ ///
+ static TTFData* createTTFData(const unsigned char* data, unsigned int size);
+
+ ///
+ ///
+ ///
+ ~TTFData();
+
+ ///
+ ///
+ ///
+ TTF* createTTF(unsigned ttfsize);
+
+ ///
+ ///
+ ///
+ void pushTTFsize(unsigned ttfsize);
+
+ ///
+ ///
+ ///
+ void popTTFsize();
+
+ ///
+ ///
+ ///
+ Channel* getCodepointBitmapAlpha(unsigned int codepoint, int* width, int* height, int* xoff, int* yoff) const;
+
+ ///
+ ///
+ ///
+ Color* getCodepointBitmap(unsigned int codepoint, int* width, int* height, int* xoff, int* yoff) const;
+
+ ///
+ ///
+ ///
+ void getVMetrics(int* baseline, int* descent);
+
+ ///
+ ///
+ ///
+ void getHMetrics(unsigned int codepoint, int* advanceWidth, int* leftSideBearing);
+
+ private:
+
+ ///
+ ///
+ ///
+ static const unsigned int FONT_SIZE = 12;
+
+ ///
+ ///
+ ///
+ TTFData(const unsigned char* data, unsigned int size);
+
+ ///
+ ///
+ ///
+ stbtt_fontinfo info;
+
+ ///
+ ///
+ ///
+ struct
+ {
+ unsigned char* data;
+ unsigned int size;
+ } raw;
+
+ ///
+ ///
+ ///
+ std::vector<float> scales;
+
+ };
+
+ class TTF : public Font
+ {
+ public:
+ //static TTF* createTTF(TTFData* ttfData, unsigned ttfSzie);
+
+ ///
+ ///
+ ///
+ Page* typeset(const Text& text, int lineheight, int spacing = 0) override;
+
+ ///
+ ///
+ ///
+ Page* typeset(const Content& text, int lineheight, int spacing = 0) override;
+
+ ///
+ ///
+ ///
+ void render(const Text& text, int x, int y, int lineheight, int spacing = 0) override;
+
+ ///
+ ///
+ ///
+ void render(const Content& text, int x, int y, int lineheight, int spacing = 0) override;
+
+ ///
+ ///
+ ///
+ void render(const Page* page, int x, int y) override;
+
+ ///
+ ///
+ ///
+ ~TTF();
+
+ private:
+
+ friend class TTFData;
+
+ ///
+ ///
+ ///
+ struct TTFGlyph
+ {
+ GLuint atlas;
+ // normalized coordinates
+ struct Bbox
+ {
+ float x, y;
+ float w, h;
+ } bbox;
+ // glyph size in pixel
+ unsigned int width, height;
+ };
+
+ ///
+ ///
+ ///
+ static const int TEXTURE_SIZE_LEVELS_COUNT = 7;
+
+ ///
+ ///
+ ///
+ static const int TEXTURE_SIZE_LEVEL_MAX = TEXTURE_SIZE_LEVELS_COUNT - 1;
+
+ ///
+ ///
+ ///
+ static const int TEXTURE_WIDTHS[TEXTURE_SIZE_LEVELS_COUNT];
+
+ ///
+ ///
+ ///
+ static const int TEXTURE_HEIGHTS[TEXTURE_SIZE_LEVELS_COUNT];
+
+ ///
+ ///
+ ///
+ TTF(TTFData* ttf, Codepoint ttfSize);
+
+ ///
+ ///
+ ///
+ void estimateSize();
+
+ ///
+ ///
+ ///
+ GLuint createAtlas();
+
+ ///
+ ///
+ ///
+ TTFGlyph& bakeGlyph(Codepoint character);
+
+ ///
+ ///
+ ///
+ TTFGlyph& findGlyph(Codepoint character);
+
+ ///
+ ///
+ ///
+ int getCharWidth(int c);
+
+ ///
+ ///
+ ///
+ int getCharHeight(int c);
+
+ ///
+ ///
+ ///
+ int getTextWidth(const Content& text, int spacing = 0);
+
+ ///
+ ///
+ ///
+ int getTextHeight(const Content& text, int lineheight);
+
+ ///
+ ///
+ ///
+ void getTextBox(const Content& text, int* w, int* h, int lineheight, int spacing = 0);
+
+ ///
+ ///
+ ///
+ int textureWidth;
+
+ ///
+ ///
+ ///
+ int textureHeight;
+
+ ///
+ ///
+ ///
+ std::vector<GLuint> atlases;
+
+ ///
+ ///
+ ///
+ std::map<Codepoint, TTFGlyph> glyphs;
+
+ ///
+ ///
+ ///
+ TTFData* ttf;
+
+ ///
+ ///
+ ///
+ int baseline;
+
+ ///
+ ///
+ ///
+ int descent;
+
+ ///
+ ///
+ ///
+ Math::Vector2<float> cursor;
+
+ };
+
+ } // namespace Fonts
+ } // namespace Graphics
+} // namespace JinEngine
+
+#endif // defined(jin_graphics)
+
+#endif // __JE_FONT_H__
generated by cgit v1.1-26-g67d0 at 2025-05-29 04:20:35 +0000