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Fixed an issue where defining a really small font size would crash the application.

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This commit is contained in:
Leon Styhre 2021-09-30 19:49:18 +02:00
parent 5366af6999
commit c78386e648
2 changed files with 11 additions and 9 deletions
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15
es-core/src/resources/Font.cpp
View file

@ -79,7 +79,14 @@ Font::Font(int size, const std::string& path)
: mSize(size)
, mPath(path)
{
assert(mSize > 0);
if (mSize < 9) {
mSize = 9;
LOG(LogWarning) << "Requested font size too small, changing to minimum supported size";
}
else if (mSize > Renderer::getScreenHeight()) {
mSize = Renderer::getScreenHeight();
LOG(LogWarning) << "Requested font size too large, changing to maximum supported size";
}
mMaxGlyphHeight = 0;
@ -274,8 +281,6 @@ FT_Face Font::getFaceForChar(unsigned int id)
return mFaceCache.cbegin()->second->face;
}
void Font::clearFaceCache() { mFaceCache.clear(); }
Font::Glyph* Font::getGlyph(unsigned int id)
{
// Is it already loaded?
@ -339,7 +344,6 @@ Font::Glyph* Font::getGlyph(unsigned int id)
return &glyph;
}
// Completely recreate the texture data for all textures based on mGlyphs information.
void Font::rebuildTextures()
{
// Recreate OpenGL textures.
@ -441,7 +445,6 @@ float Font::getLetterHeight()
return glyph->texSize.y * glyph->texture->textureSize.y;
}
// Breaks up a normal string with newlines to make it fit xLen.
std::string Font::wrapText(std::string text, float xLen)
{
std::string out;
@ -666,8 +669,6 @@ TextCache* Font::buildTextCache(const std::string& text,
x += glyph->advance.x;
}
// TextCache::CacheMetrics metrics = { sizeText(text, lineSpacing) };
TextCache* cache = new TextCache();
cache->vertexLists.resize(vertMap.size());
cache->metrics = {sizeText(text, lineSpacing)};

5
es-core/src/resources/Font.h
View file

@ -141,6 +141,7 @@ private:
virtual ~FontFace();
};
// Completely recreate the texture data for all textures based on mGlyphs information.
void rebuildTextures();
void unloadTextures();
@ -152,7 +153,7 @@ private:
std::map<unsigned int, std::unique_ptr<FontFace>> mFaceCache;
FT_Face getFaceForChar(unsigned int id);
void clearFaceCache();
void clearFaceCache() { mFaceCache.clear(); }
struct Glyph {
FontTexture* texture;
@ -170,7 +171,7 @@ private:
int mMaxGlyphHeight;
const int mSize;
int mSize;
const std::string mPath;
float getNewlineStartOffset(const std::string& text,