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-rw-r--r--Runtime/Common/DataBuffer.h6
-rw-r--r--Runtime/GUI/Font.cpp89
-rw-r--r--Runtime/GUI/Font.h56
-rw-r--r--Runtime/Graphics/Texture.h4
-rw-r--r--Runtime/Lua/LuaHelper.cpp1
-rw-r--r--Runtime/Scripting/GUI/Font.bind.cpp103
-rw-r--r--Runtime/Scripting/GUI/GUI.bind.cpp24
7 files changed, 258 insertions, 25 deletions
diff --git a/Runtime/Common/DataBuffer.h b/Runtime/Common/DataBuffer.h
index 7b89ab5..dbe7c30 100644
--- a/Runtime/Common/DataBuffer.h
+++ b/Runtime/Common/DataBuffer.h
@@ -23,7 +23,11 @@ public:
delete data;
}
- char* data;
+ union {
+ char* data;
+ unsigned char* udata;
+ char* sdata;
+ };
int length;
EDataBufferType type;
diff --git a/Runtime/GUI/Font.cpp b/Runtime/GUI/Font.cpp
index f00f33d..67a2e3b 100644
--- a/Runtime/GUI/Font.cpp
+++ b/Runtime/GUI/Font.cpp
@@ -13,21 +13,86 @@ using namespace character;
//https://baike.baidu.com/item/%E5%9F%BA%E6%9C%AC%E5%A4%9A%E6%96%87%E7%A7%8D%E5%B9%B3%E9%9D%A2/10788078
//https://stackoverflow.com/questions/27331819/whats-the-difference-between-a-character-a-code-point-a-glyph-and-a-grapheme
-void Font::Setup(TextGeneratingSettings settings)
+static std::string s_FontError;
+
+Font::Font(std::string path, TextGeneratingSettings settings)
+ : LuaBind::NativeClass<Font>()
{
- m_AtlasMargin = settings.margin;
- m_GlyphPadding = settings.padding;
- m_AtlasSize = settings.atlasSize;
+ m_AtlasMargin = settings.margin;
+ m_GlyphPadding = settings.padding;
+ m_AtlasSize = settings.atlasSize;
- if (FT_Init_FreeType(&m_FTLibrary))
- {
- return;
- }
+ if (FT_Init_FreeType(&m_FTLibrary))
+ {
+ s_FontError = "Init freetype error. Font path " + path;
+ throw FontException(s_FontError.c_str());
+ }
- if (FT_New_Face(m_FTLibrary, "Resources/Font/Deng.ttf", 0, &m_FTFace))
- {
- return;
- }
+ if (FT_New_Face(m_FTLibrary, path.c_str(), 0, &m_FTFace))
+ {
+ s_FontError = "Create freetype face error. Font path " + path;
+ throw FontException(s_FontError.c_str());
+ }
+}
+
+Font::Font(LuaBind::VM* vm, std::string path, TextGeneratingSettings settings)
+ : LuaBind::NativeClass<Font>(vm)
+{
+ m_AtlasMargin = settings.margin;
+ m_GlyphPadding = settings.padding;
+ m_AtlasSize = settings.atlasSize;
+
+ if (FT_Init_FreeType(&m_FTLibrary))
+ {
+ s_FontError = "Init freetype error. Font path " + path;
+ throw FontException(s_FontError.c_str());
+ }
+
+ if (FT_New_Face(m_FTLibrary, path.c_str(), 0, &m_FTFace))
+ {
+ s_FontError = "Create freetype face error. Font path " + path;
+ throw FontException(s_FontError.c_str());
+ }
+}
+
+Font::Font(DataBuffer* db, TextGeneratingSettings settings)
+ : LuaBind::NativeClass<Font>()
+{
+ m_AtlasMargin = settings.margin;
+ m_GlyphPadding = settings.padding;
+ m_AtlasSize = settings.atlasSize;
+
+ if (FT_Init_FreeType(&m_FTLibrary))
+ {
+ s_FontError = "Init freetype error.";
+ throw FontException(s_FontError.c_str());
+ }
+
+ if (FT_New_Memory_Face(m_FTLibrary, db->udata, db->length, 0, &m_FTFace))
+ {
+ s_FontError = "Create freetype face error.";
+ throw FontException(s_FontError.c_str());
+ }
+}
+
+Font::Font(DataBuffer* db, LuaBind::VM* vm, std::string path, TextGeneratingSettings settings)
+ : LuaBind::NativeClass<Font>(vm)
+{
+ m_AtlasMargin = settings.margin;
+ m_GlyphPadding = settings.padding;
+ m_AtlasSize = settings.atlasSize;
+
+ if (FT_Init_FreeType(&m_FTLibrary))
+ {
+ s_FontError = "Init freetype error.";
+ throw FontException(s_FontError.c_str());
+ }
+
+ if (FT_New_Memory_Face(m_FTLibrary, db->udata, db->length, 0, &m_FTFace))
+ {
+ s_FontError = "Create freetype face error.";
+ throw FontException(s_FontError.c_str());
+ }
}
character::Hash Font::GetHash(Codepoint codepoint, int pixelSize)
diff --git a/Runtime/GUI/Font.h b/Runtime/GUI/Font.h
index da9ef55..242bd19 100644
--- a/Runtime/GUI/Font.h
+++ b/Runtime/GUI/Font.h
@@ -4,9 +4,11 @@
#include "Runtime/Graphics/Texture.h"
#include "freetype.h"
#include "Runtime/Lua/LuaHelper.h"
+#include "Runtime/Common/DataBuffer.h"
#include <string>
#include <unordered_map>
+#include <exception>
#include <vector>
//https://learnopengl.com/In-Practice/Text-Rendering
@@ -64,10 +66,30 @@ struct TextGeneratingSettings
int padding; // glyph相互之间的间距，防止采样的时候越界
};
-class Font : public Singleton<Font>
+class FontException : public std::exception
{
public:
- void Setup(TextGeneratingSettings settings);
+ FontException(const char* what)
+ : std::exception(what)
+ {
+ }
+};
+
+enum EEncoding
+{
+ Encoding_ASCII,
+ Encoding_UTF8,
+ Encoding_UTF16,
+};
+
+// 单个字体
+class Font : public LuaBind::NativeClass<Font>
+{
+public:
+ Font(std::string path, TextGeneratingSettings setting)/*throw FontException*/;
+ Font(LuaBind::VM* vm, std::string path, TextGeneratingSettings setting)/*throw FontException*/;
+ Font(DataBuffer* db, TextGeneratingSettings setting)/*throw FontException*/;
+ Font(DataBuffer* db, LuaBind::VM* vm, std::string path, TextGeneratingSettings setting)/*throw FontException*/;
const Character* GetCharacter(character::Codepoint codepoint, int pixelSize);
const GlyphAtals* GetGlyphAtlas(int index);
@@ -76,31 +98,41 @@ public:
void RenderCharacter(character::Codepoint codepoint, int pixelSize);
void RenderCharacters(character::Codepoint* codepoint, int n, int pixelSize);
-private:
-
+private:
Texture* CreateAtlas();
GlyphAtals* RequestAtlas(int pixelSize, Internal::Vector2 preferSize);
-
Internal::Rect GetRenderChartAndMove(GlyphAtals* atlas, Internal::Vector2 preferSize);
bool HasEnoughSpace(GlyphAtals* atlas, Internal::Vector2 preferSize);
-
character::Hash GetHash(character::Codepoint Codepoint, int pixelSize);
+ //-------------------------------------------------------------------------
+
std::unordered_map<character::Hash, Character> m_Characters; // 渲染完的文字
- std::vector<GlyphAtals> m_Atlases; // 当前所有的atlas
- std::unordered_map<int, GlyphAtals*> m_AtlasCache; // 快速找到可用的atlas
+ std::vector<GlyphAtals> m_Atlases; // 当前所有的atlas，由font完全拥有所有权，所以是lightuserdata
+ std::unordered_map<int/*pixelSize*/, GlyphAtals*> m_AtlasCache; // 快速找到可用的atlas
+
+ bool m_IsEnabled;
- int m_AtlasMargin;
- int m_GlyphPadding;
Internal::Vector2 m_AtlasSize;
+ int m_AtlasMargin;
+ int m_GlyphPadding;
FT_Library m_FTLibrary;
- FT_Face m_FTFace;
+ FT_Face m_FTFace;
+
+ //-------------------------------------------------------------------------
+
+ LUA_BIND_DECL_CLASS(Font);
+
+ LUA_BIND_DECL_METHOD(_New);
+ LUA_BIND_DECL_METHOD(_GetCharacter);
+ LUA_BIND_DECL_METHOD(_GetCharacters);
+ LUA_BIND_DECL_METHOD(_GetGlyphAtlas);
};
-#define g_TextGenerator (*Font::Instance())
+//#define g_TextGenerator (*Font::Instance())
namespace TextHelper
{
diff --git a/Runtime/Graphics/Texture.h b/Runtime/Graphics/Texture.h
index 6ead2fb..9633db5 100644
--- a/Runtime/Graphics/Texture.h
+++ b/Runtime/Graphics/Texture.h
@@ -76,6 +76,8 @@ public:
private:
void Init(TextureSetting setting, ImageData* imgData);
+ //------------------------------------------------------------------------------
+
GLuint m_GPUID;
int m_Width, m_Height;
@@ -89,6 +91,8 @@ private:
LuaBind::MemberRef m_ImageData; //图片像素数据
+ //------------------------------------------------------------------------------
+
LUA_BIND_DECL_CLASS(Texture);
LUA_BIND_DECL_METHOD(_New);
diff --git a/Runtime/Lua/LuaHelper.cpp b/Runtime/Lua/LuaHelper.cpp
index e7247c0..2c95043 100644
--- a/Runtime/Lua/LuaHelper.cpp
+++ b/Runtime/Lua/LuaHelper.cpp
@@ -4,6 +4,7 @@
#include "Runtime/Math/Vector3.h"
#include "Runtime/Math/Vector4.h"
#include "Runtime/Math/Matrix44.h"
+#include "Runtime/GUI/Font.h"
using namespace LuaBind;
diff --git a/Runtime/Scripting/GUI/Font.bind.cpp b/Runtime/Scripting/GUI/Font.bind.cpp
new file mode 100644
index 0000000..73fb7e6
--- /dev/null
+++ b/Runtime/Scripting/GUI/Font.bind.cpp
@@ -0,0 +1,103 @@
+#include "Runtime/GUI/Font.h"
+#include "Runtime/Graphics/Shader.h"
+#include "Runtime/Debug/Log.h"
+#include "Runtime/Graphics/GfxDevice.h"
+#include "Runtime/Common/DataBuffer.h"
+
+LUA_BIND_REGISTRY(Font)
+{
+ LUA_BIND_REGISTER_METHODS(state,
+ { "New", _New },
+ { "GetCharacter", _GetCharacter },
+ { "GetGlyphAtlas", _GetGlyphAtlas }
+ );
+}
+
+LUA_BIND_POSTPROCESS(Font)
+{
+}
+
+// Font.New(ttfPath, atlasSize, margin, padding)
+// Font.New(ttfData, atlasSize, margin, padding)
+LUA_BIND_IMPL_METHOD(Font, _New)
+{
+ LUA_BIND_STATE(L);
+ LUA_BIND_CHECK(L, "STNN!|UTNN!");
+
+ Font* font = NULL;
+ if (state.CheckParams(1, "STNN!"))
+ {
+ const char* path = state.GetValue<const char*>(1, "");
+ TextGeneratingSettings setting;
+ setting.atlasSize = state.GetValue<Internal::Vector2>(2, Internal::Vector2(128, 128));
+ setting.margin = state.GetValue<int>(3, 0);
+ setting.padding = state.GetValue<int>(4, 0);
+ try {
+ font = new Font(path, setting);
+ }
+ catch (FontException& e)
+ {
+ log_error(e.what());
+ state.PushNil();
+ return 1;
+ }
+ }
+ else if (state.CheckParams(1, "UTNN!"))
+ {
+ DataBuffer* buffer = state.GetUserdata<DataBuffer>(1);
+ if (buffer == NULL)
+ {
+ log_error("Create font failed, DataBuffer is invalid.");
+ state.PushNil();
+ return 1;
+ }
+ TextGeneratingSettings setting;
+ setting.atlasSize = state.GetValue<Internal::Vector2>(2, Internal::Vector2(128, 128));
+ setting.margin = state.GetValue<int>(3, 0);
+ setting.padding = state.GetValue<int>(4, 0);
+ try {
+ font = new Font(buffer, setting);
+ }
+ catch (FontException& e)
+ {
+ log_error(e.what());
+ state.PushNil();
+ return 1;
+ }
+ }
+
+ font->PushUserdata(state);
+
+ return 1;
+}
+
+// font:GetCharacter(char, size, encoding)
+LUA_BIND_IMPL_METHOD(Font, _GetCharacter)
+{
+ LUA_BIND_PREPARE(L, Font);
+// Character character = self->GetCharacter(character);
+ return 1;
+}
+
+// font:GetCharacter(str, size, encoding)
+LUA_BIND_IMPL_METHOD(Font, _GetCharacters)
+{
+ LUA_BIND_PREPARE(L, Font);
+// Character character = self->GetCharacter(character);
+ return 1;
+}
+
+// font:GetAtlas(i)
+// return lightuserdata
+LUA_BIND_IMPL_METHOD(Font, _GetGlyphAtlas)
+{
+ LUA_BIND_PREPARE(L, Font);
+ //LUA_BIND_CHECK(L, "UN");
+
+ //int i = state.GetValue<int>(2, 0);
+ //GlyphAtals atlas = self->m_Atlases[i];
+
+ //state.Push((const void*)atlas.altas);
+
+ return 1;
+} \ No newline at end of file
diff --git a/Runtime/Scripting/GUI/GUI.bind.cpp b/Runtime/Scripting/GUI/GUI.bind.cpp
new file mode 100644
index 0000000..4f6ed7a
--- /dev/null
+++ b/Runtime/Scripting/GUI/GUI.bind.cpp
@@ -0,0 +1,24 @@
+#include "Runtime/Lua/LuaHelper.h"
+#include "Runtime/Debug/Log.h"
+#include "Runtime/Common/DataBuffer.h"
+#include "Runtime/FileSystem/FileJobs.h"
+#include "Runtime/GUI/Font.h"
+
+using namespace std;
+using namespace LuaBind;
+
+int luaopen_GameLab_Engine_GUI(lua_State* L)
+{
+ log_info_tag("Scripting", "luaopen_GameLab_Engine_GUI()");
+
+ LUA_BIND_STATE(L);
+
+ state.PushGlobalNamespace();
+ state.PushNamespace("GameLab");
+ state.PushNamespace("Engine");
+ state.PushNamespace("GUI");
+
+ state.RegisterNativeClass<Font>();
+
+ return 1;
+} \ No newline at end of file
generated by cgit v1.1-26-g67d0 at 2025-05-23 06:33:02 +0000