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Improved error handling for unloadable font files.

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This commit is contained in:
Leon Styhre 2022-10-09 18:01:30 +02:00
parent 50832a5b64
commit 0757156caf
2 changed files with 14 additions and 16 deletions
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22
es-core/src/resources/Font.cpp
View file

@ -4,7 +4,7 @@
// Font.h
//
// Loading, unloading, caching and rendering of fonts.
// Also functions for word wrapping and similar.
// Also functions for text wrapping and similar.
//
#include "resources/Font.h"
@ -12,12 +12,9 @@
#include "Log.h"
#include "renderers/Renderer.h"
#include "utils/FileSystemUtil.h"
#include "utils/PlatformUtil.h"
#include "utils/StringUtil.h"
FT_Library Font::sLibrary {nullptr};
std::map<std::pair<std::string, int>, std::weak_ptr<Font>> Font::sFontMap;
Font::Font(int size, const std::string& path)
: mRenderer {Renderer::getInstance()}
, mFontSize(size)
@ -607,15 +604,15 @@ void Font::FontTexture::deinitTexture()
}
}
Font::FontFace::FontFace(ResourceData&& d, int size)
Font::FontFace::FontFace(ResourceData&& d, int size, const std::string& path)
: data {d}
{
int err {
FT_New_Memory_Face(sLibrary, data.ptr.get(), static_cast<FT_Long>(data.length), 0, &face)};
assert(!err);
if (FT_New_Memory_Face(sLibrary, d.ptr.get(), static_cast<FT_Long>(d.length), 0, &face) != 0) {
LOG(LogError) << "Couldn't load font file \"" << path << "\"";
Utils::Platform::emergencyShutdown();
}
if (!err)
FT_Set_Pixel_Sizes(face, 0, size);
FT_Set_Pixel_Sizes(face, 0, size);
}
Font::FontFace::~FontFace()
@ -708,7 +705,8 @@ FT_Face Font::getFaceForChar(unsigned int id)
// Otherwise, take from fallbackFonts.
const std::string& path {i == 0 ? mPath : fallbackFonts.at(i - 1)};
ResourceData data {ResourceManager::getInstance().getFileData(path)};
mFaceCache[i] = std::unique_ptr<FontFace>(new FontFace(std::move(data), mFontSize));
mFaceCache[i] =
std::unique_ptr<FontFace>(new FontFace(std::move(data), mFontSize, mPath));
fit = mFaceCache.find(i);
}

8
es-core/src/resources/Font.h
View file

@ -4,7 +4,7 @@
// Font.h
//
// Loading, unloading, caching and rendering of fonts.
// Also functions for word wrapping and similar.
// Also functions for text wrapping and similar.
//
#ifndef ES_CORE_RESOURCES_FONT_H
@ -105,8 +105,8 @@ public:
private:
Renderer* mRenderer;
static FT_Library sLibrary;
static std::map<std::pair<std::string, int>, std::weak_ptr<Font>> sFontMap;
static inline FT_Library sLibrary {nullptr};
static inline std::map<std::pair<std::string, int>, std::weak_ptr<Font>> sFontMap;
Font(int size, const std::string& path);
@ -135,7 +135,7 @@ private:
const ResourceData data;
FT_Face face;
FontFace(ResourceData&& d, int size);
FontFace(ResourceData&& d, int size, const std::string& path);
virtual ~FontFace();
};