diff options
Diffstat (limited to 'src/libjin/Graphics/Font')
-rw-r--r-- | src/libjin/Graphics/Font/je_decoder.cpp | 93 | ||||
-rw-r--r-- | src/libjin/Graphics/Font/je_decoder.h | 94 | ||||
-rw-r--r-- | src/libjin/Graphics/Font/je_font.h | 100 | ||||
-rw-r--r-- | src/libjin/Graphics/Font/je_page.h | 51 | ||||
-rw-r--r-- | src/libjin/Graphics/Font/je_text.cpp | 154 | ||||
-rw-r--r-- | src/libjin/Graphics/Font/je_text.h | 169 | ||||
-rw-r--r-- | src/libjin/Graphics/Font/je_texture_font.cpp | 318 | ||||
-rw-r--r-- | src/libjin/Graphics/Font/je_texture_font.h | 140 | ||||
-rw-r--r-- | src/libjin/Graphics/Font/je_ttf.cpp | 463 | ||||
-rw-r--r-- | src/libjin/Graphics/Font/je_ttf.h | 288 |
10 files changed, 0 insertions, 1870 deletions
diff --git a/src/libjin/Graphics/Font/je_decoder.cpp b/src/libjin/Graphics/Font/je_decoder.cpp deleted file mode 100644 index 01e1990..0000000 --- a/src/libjin/Graphics/Font/je_decoder.cpp +++ /dev/null @@ -1,93 +0,0 @@ -#include <stdlib.h> -#include <string.h> -#include "je_decoder.h" - -namespace JinEngine -{ - namespace Graphics - { - - /* 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 Graphics -} // namespace JinEngine
\ No newline at end of file diff --git a/src/libjin/Graphics/Font/je_decoder.h b/src/libjin/Graphics/Font/je_decoder.h deleted file mode 100644 index 36cbda7..0000000 --- a/src/libjin/Graphics/Font/je_decoder.h +++ /dev/null @@ -1,94 +0,0 @@ -#ifndef __JE_UTF8_H -#define __JE_UTF8_H - -#include <vector> - -#include "je_text.h" - -namespace JinEngine -{ - namespace Graphics - { - - /// - /// 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 Graphics -} // namespace JinEngine - -#endif
\ No newline at end of file diff --git a/src/libjin/Graphics/Font/je_font.h b/src/libjin/Graphics/Font/je_font.h deleted file mode 100644 index 4529902..0000000 --- a/src/libjin/Graphics/Font/je_font.h +++ /dev/null @@ -1,100 +0,0 @@ -#ifndef __JE_FONT_H -#define __JE_FONT_H - -#include <vector> -#include "je_text.h" - -namespace JinEngine -{ - namespace Graphics - { - - struct Page; - - /// - /// 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 print(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 print(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 print(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 Graphics -} // namespace JinEngine - -#endif // __JE_FONT_H
\ No newline at end of file diff --git a/src/libjin/Graphics/Font/je_page.h b/src/libjin/Graphics/Font/je_page.h deleted file mode 100644 index fbc297e..0000000 --- a/src/libjin/Graphics/Font/je_page.h +++ /dev/null @@ -1,51 +0,0 @@ -#ifndef __JE_PAGE_H -#define __JE_PAGE_H - -#include "../../math/je_vector2.hpp" - -#include "je_font.h" - -namespace JinEngine -{ - namespace Graphics - { - - 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 Graphics -} // namespace JinEngine - -#endif // __JE_PAGE_H
\ No newline at end of file diff --git a/src/libjin/Graphics/Font/je_text.cpp b/src/libjin/Graphics/Font/je_text.cpp deleted file mode 100644 index 75dfc7b..0000000 --- a/src/libjin/Graphics/Font/je_text.cpp +++ /dev/null @@ -1,154 +0,0 @@ -#include <cstring> - -#include "je_text.h" -#include "je_decoder.h" - -namespace JinEngine -{ - namespace Graphics - { - - ///////////////////////////////////////////////////////////////////////////// - // 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 Graphics -} // namespace JinEngine
\ No newline at end of file diff --git a/src/libjin/Graphics/Font/je_text.h b/src/libjin/Graphics/Font/je_text.h deleted file mode 100644 index 7436875..0000000 --- a/src/libjin/Graphics/Font/je_text.h +++ /dev/null @@ -1,169 +0,0 @@ -#ifndef __JE_TEXT_H -#define __JE_TEXT_H - -#include <vector> - -namespace JinEngine -{ - namespace Graphics - { - - 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/Font/je_texture_font.cpp b/src/libjin/Graphics/Font/je_texture_font.cpp deleted file mode 100644 index 9651c1a..0000000 --- a/src/libjin/Graphics/Font/je_texture_font.cpp +++ /dev/null @@ -1,318 +0,0 @@ -#include <vector> - -#include "../../math/je_vector2.hpp" - -#include "../shader/je_shader.h" - -#include "je_texture_font.h" - -namespace JinEngine -{ - namespace Graphics - { - - using namespace std; - using namespace Math; - - 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 != mTexture) - { - texture = mTexture; - 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::print(const Page* page, int x, int y) - { - Shader* shader = Shader::getCurrentShader(); - const vector<GlyphArrayDrawInfo>& glyphinfolist = page->glyphinfolist; - const vector<GlyphVertex>& glyphvertices = page->glyphvertices; - gl.ModelMatrix.setTransformation(x, y, 0, 1, 1, 0, 0); - shader->sendMatrix4(SHADER_MODEL_MATRIX, &gl.ModelMatrix); - shader->sendMatrix4(SHADER_PROJECTION_MATRIX, &gl.ProjectionMatrix); - for (int i = 0; i < glyphinfolist.size(); ++i) - { - const GlyphArrayDrawInfo& info = glyphinfolist[i]; - shader->bindVertexPointer(2, GL_INT, sizeof(GlyphVertex), &glyphvertices[info.start].x); - shader->bindUVPointer(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::print(const Content& text, int x, int y, int lineheight, int spacing) - { - Page* page = typeset(text, lineheight, spacing); - print(page, x, y); - delete page; - } - - void TextureFont::print(const Text& text, int x, int y, int lineheight, int spacing) - { - Page* page = typeset(text, lineheight, spacing); - print(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/Font/je_texture_font.h b/src/libjin/Graphics/Font/je_texture_font.h deleted file mode 100644 index 6276350..0000000 --- a/src/libjin/Graphics/Font/je_texture_font.h +++ /dev/null @@ -1,140 +0,0 @@ -#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 - { - - /// - /// - /// - 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 print(const Page* page, int x, int y) override; - - /// - /// - /// - void print(const Content& text, int x, int y, int linehgiht, int spacing = 0) override; - - /// - /// - /// - void print(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 Graphics -} // namespace JinEngine - -#endif
\ No newline at end of file diff --git a/src/libjin/Graphics/Font/je_ttf.cpp b/src/libjin/Graphics/Font/je_ttf.cpp deleted file mode 100644 index a11efb0..0000000 --- a/src/libjin/Graphics/Font/je_ttf.cpp +++ /dev/null @@ -1,463 +0,0 @@ -#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 "../shader/je_shader.h" - -#include "je_ttf.h" -#include "je_page.h" - -#define STB_TRUETYPE_IMPLEMENTATION -#include "../../3rdparty/stb/stb_truetype.h" - -namespace JinEngine -{ - namespace Graphics - { - - ///////////////////////////////////////////////////////////////////////////// - // 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 "../shader/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::print(const Content& t, int x, int y, int lineheight, int spacing) - { - Page* page = typeset(t, lineheight, spacing); - print(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::print(const Page* page, int x, int y) - { - Shader* shader = Shader::getCurrentShader(); - const vector<GlyphArrayDrawInfo>& glyphinfolist = page->glyphinfolist; - const vector<GlyphVertex>& glyphvertices = page->glyphvertices; - gl.ModelMatrix.setTransformation(x, y, 0, 1, 1, 0, 0); - shader->sendMatrix4(SHADER_MODEL_MATRIX, &gl.ModelMatrix); - shader->sendMatrix4(SHADER_PROJECTION_MATRIX, &gl.ProjectionMatrix); - for (int i = 0; i < glyphinfolist.size(); ++i) - { - const GlyphArrayDrawInfo& info = glyphinfolist[i]; - shader->bindVertexPointer(2, GL_INT, sizeof(GlyphVertex), &glyphvertices[info.start].x); - shader->bindUVPointer(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::print(const Text& text, int x, int y, int lineheight, int spacing /* = 0 */) - { - print(*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 Graphics -} // namespace JinEngine - -#endif // defined(jin_graphics)
\ No newline at end of file diff --git a/src/libjin/Graphics/Font/je_ttf.h b/src/libjin/Graphics/Font/je_ttf.h deleted file mode 100644 index e3d63b2..0000000 --- a/src/libjin/Graphics/Font/je_ttf.h +++ /dev/null @@ -1,288 +0,0 @@ -#ifndef __JETTF_H -#define __JE_TTF_H -#include "../../core/je_configuration.h" -#if defined(jin_graphics) - -#include <vector> -#include <map> - -#include "../../3rdparty/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 - { - - 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 print(const Text& text, int x, int y, int lineheight, int spacing = 0) override; - - /// - /// - /// - void print(const Content& text, int x, int y, int lineheight, int spacing = 0) override; - - /// - /// - /// - void print(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 Graphics -} // namespace JinEngine - -#endif // defined(jin_graphics) - -#endif // __JE_FONT_H
\ No newline at end of file |