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Use freetype for ImGui fonts if available

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This commit is contained in:
Luke Street
2021-06-07 11:28:30 -04:00
committed by Phillip Stephens
parent a9bcb7a9ce
commit 073af40c4d
7 changed files with 68 additions and 44 deletions
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36
imgui/CMakeLists.txt
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@@ -1,23 +1,31 @@
add_library(imgui
../extern/imgui/imgui.cpp
../extern/imgui/imgui_demo.cpp
../extern/imgui/imgui_draw.cpp
../extern/imgui/imgui_tables.cpp
../extern/imgui/imgui_widgets.cpp
../extern/imgui/misc/cpp/imgui_stdlib.cpp
ImGuiEngine.cpp
ImGuiEngine.hpp
NotoMono.cpp
MetaforceIcon.cpp
)
../extern/imgui/imgui.cpp
../extern/imgui/imgui_demo.cpp
../extern/imgui/imgui_draw.cpp
../extern/imgui/imgui_tables.cpp
../extern/imgui/imgui_widgets.cpp
../extern/imgui/misc/cpp/imgui_stdlib.cpp
ImGuiEngine.cpp
ImGuiEngine.hpp
NotoMono.cpp
MetaforceIcon.cpp
)
target_include_directories(imgui PUBLIC ${CMAKE_SOURCE_DIR}/extern/imgui ${CMAKE_CURRENT_SOURCE_DIR})
target_compile_definitions(imgui PUBLIC IMGUI_USER_CONFIG="imconfig_user.h")
if (CMAKE_COMPILER_IS_GNUCXX)
# currently explicitly ignored for clang in imgui code, but not gcc (yet)
target_compile_options(imgui PRIVATE -Wno-deprecated-enum-enum-conversion)
endif()
# currently explicitly ignored for clang in imgui code, but not gcc (yet)
target_compile_options(imgui PRIVATE -Wno-deprecated-enum-enum-conversion)
endif ()
target_link_libraries(imgui PRIVATE boo hecl-light RetroDataSpec)
# Optional, replaces stb_freetype if available
find_package(Freetype)
if (FREETYPE_FOUND)
target_sources(imgui PRIVATE ../extern/imgui/misc/freetype/imgui_freetype.cpp)
target_compile_definitions(imgui PUBLIC IMGUI_ENABLE_FREETYPE)
target_link_libraries(imgui PRIVATE Freetype::Freetype)
endif ()
bintoc_compress(NotoMono.cpp NotoMono-Regular.ttf NOTO_MONO_FONT)
bintoc(MetaforceIcon.cpp ../Runtime/platforms/freedesktop/256x256/apps/metaforce.png METAFORCE_ICON)

52
imgui/ImGuiEngine.cpp
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@@ -10,6 +10,10 @@
#define STBI_ONLY_PNG
#include "stb_image.h"
#ifdef IMGUI_ENABLE_FREETYPE
#include "misc/freetype/imgui_freetype.h"
#endif
#include "Runtime/GameGlobalObjects.hpp"
#include "Runtime/Input/CInputGenerator.hpp"
#include <zeus/CMatrix4f.hpp>
@@ -83,21 +87,21 @@ void ImGuiEngine::Initialize(boo::IGraphicsDataFactory* factory, boo::IWindow* w
io.BackendPlatformName = "Boo";
io.BackendRendererName = "Boo";
io.KeyMap[ImGuiKey_Tab] = 256 + static_cast<int>(boo::ESpecialKey::Tab);
io.KeyMap[ImGuiKey_LeftArrow] = 256 + static_cast<int>(boo::ESpecialKey::Left);
io.KeyMap[ImGuiKey_RightArrow] = 256 + static_cast<int>(boo::ESpecialKey::Right);
io.KeyMap[ImGuiKey_UpArrow] = 256 + static_cast<int>(boo::ESpecialKey::Up);
io.KeyMap[ImGuiKey_DownArrow] = 256 + static_cast<int>(boo::ESpecialKey::Down);
io.KeyMap[ImGuiKey_PageUp] = 256 + static_cast<int>(boo::ESpecialKey::PgUp);
io.KeyMap[ImGuiKey_PageDown] = 256 + static_cast<int>(boo::ESpecialKey::PgDown);
io.KeyMap[ImGuiKey_Home] = 256 + static_cast<int>(boo::ESpecialKey::Home);
io.KeyMap[ImGuiKey_End] = 256 + static_cast<int>(boo::ESpecialKey::End);
io.KeyMap[ImGuiKey_Insert] = 256 + static_cast<int>(boo::ESpecialKey::Insert);
io.KeyMap[ImGuiKey_Delete] = 256 + static_cast<int>(boo::ESpecialKey::Delete);
io.KeyMap[ImGuiKey_Backspace] = 256 + static_cast<int>(boo::ESpecialKey::Backspace);
io.KeyMap[ImGuiKey_Tab] = TranslateBooSpecialKey(boo::ESpecialKey::Tab);
io.KeyMap[ImGuiKey_LeftArrow] = TranslateBooSpecialKey(boo::ESpecialKey::Left);
io.KeyMap[ImGuiKey_RightArrow] = TranslateBooSpecialKey(boo::ESpecialKey::Right);
io.KeyMap[ImGuiKey_UpArrow] = TranslateBooSpecialKey(boo::ESpecialKey::Up);
io.KeyMap[ImGuiKey_DownArrow] = TranslateBooSpecialKey(boo::ESpecialKey::Down);
io.KeyMap[ImGuiKey_PageUp] = TranslateBooSpecialKey(boo::ESpecialKey::PgUp);
io.KeyMap[ImGuiKey_PageDown] = TranslateBooSpecialKey(boo::ESpecialKey::PgDown);
io.KeyMap[ImGuiKey_Home] = TranslateBooSpecialKey(boo::ESpecialKey::Home);
io.KeyMap[ImGuiKey_End] = TranslateBooSpecialKey(boo::ESpecialKey::End);
io.KeyMap[ImGuiKey_Insert] = TranslateBooSpecialKey(boo::ESpecialKey::Insert);
io.KeyMap[ImGuiKey_Delete] = TranslateBooSpecialKey(boo::ESpecialKey::Delete);
io.KeyMap[ImGuiKey_Backspace] = TranslateBooSpecialKey(boo::ESpecialKey::Backspace);
io.KeyMap[ImGuiKey_Space] = ' ';
io.KeyMap[ImGuiKey_Enter] = 256 + static_cast<int>(boo::ESpecialKey::Enter);
io.KeyMap[ImGuiKey_Escape] = 256 + static_cast<int>(boo::ESpecialKey::Esc);
io.KeyMap[ImGuiKey_Enter] = TranslateBooSpecialKey(boo::ESpecialKey::Enter);
io.KeyMap[ImGuiKey_Escape] = TranslateBooSpecialKey(boo::ESpecialKey::Esc);
io.KeyMap[ImGuiKey_A] = 'a'; // for text edit CTRL+A: select all
io.KeyMap[ImGuiKey_C] = 'c'; // for text edit CTRL+C: copy
io.KeyMap[ImGuiKey_V] = 'v'; // for text edit CTRL+V: paste
@@ -114,22 +118,32 @@ void ImGuiEngine::Initialize(boo::IGraphicsDataFactory* factory, boo::IWindow* w
auto* metaforceIcon = stbi_load_from_memory(static_cast<const stbi_uc*>(METAFORCE_ICON), int(METAFORCE_ICON_SZ),
&iconWidth, &iconHeight, nullptr, 4);
int width = 0;
int height = 0;
unsigned char* pixels = nullptr;
ImFontConfig fontConfig{};
fontConfig.FontData = fontData;
fontConfig.FontDataSize = int(NOTO_MONO_FONT_DECOMPRESSED_SZ);
fontConfig.SizePixels = std::floor(14.f * scale);
#ifdef IMGUI_ENABLE_FREETYPE
fontConfig.FontBuilderFlags = ImGuiFreeTypeBuilderFlags_LightHinting;
#endif
snprintf(static_cast<char*>(fontConfig.Name), sizeof(fontConfig.Name), "Noto Mono Regular, %dpx",
static_cast<int>(fontConfig.SizePixels));
fontNormal = io.Fonts->AddFont(&fontConfig);
fontConfig.FontDataOwnedByAtlas = false; // first one took ownership
fontConfig.SizePixels = std::floor(24.f * scale);
#ifdef IMGUI_ENABLE_FREETYPE
fontConfig.FontBuilderFlags |= ImGuiFreeTypeBuilderFlags_Bold;
snprintf(static_cast<char*>(fontConfig.Name), sizeof(fontConfig.Name), "Noto Mono Bold, %dpx",
static_cast<int>(fontConfig.SizePixels));
#else
snprintf(static_cast<char*>(fontConfig.Name), sizeof(fontConfig.Name), "Noto Mono Regular, %dpx",
static_cast<int>(fontConfig.SizePixels));
#endif
fontLarge = io.Fonts->AddFont(&fontConfig);
int width = 0;
int height = 0;
unsigned char* pixels = nullptr;
io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height);
factory->commitTransaction([&](boo::IGraphicsDataFactory::Context& ctx) {
ShaderPipeline = hecl::conv->convert(Shader_ImGuiShader{});
@@ -419,12 +433,12 @@ void ImGuiWindowCallback::charKeyUp(unsigned long charCode, boo::EModifierKey mo
}
void ImGuiWindowCallback::specialKeyDown(boo::ESpecialKey key, boo::EModifierKey mods, bool isRepeat) {
ImGuiEngine::Input.m_keys[256 + static_cast<int>(key)] = true;
ImGuiEngine::Input.m_keys[TranslateBooSpecialKey(key)] = true;
ImGuiEngine::Input.m_modifiers = mods;
}
void ImGuiWindowCallback::specialKeyUp(boo::ESpecialKey key, boo::EModifierKey mods) {
ImGuiEngine::Input.m_keys[256 + static_cast<int>(key)] = false;
ImGuiEngine::Input.m_keys[TranslateBooSpecialKey(key)] = false;
ImGuiEngine::Input.m_modifiers = mods;
}

2
imgui/ImGuiEngine.hpp
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@@ -7,6 +7,8 @@
#include <boo/graphicsdev/IGraphicsDataFactory.hpp>
namespace metaforce {
constexpr inline int TranslateBooSpecialKey(boo::ESpecialKey key) { return 256 + static_cast<int>(key); }
class ImGuiEngine {
public:
static struct Input {