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add vector fonts support

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This commit is contained in:
MihailRis 2026-02-15 20:27:34 +03:00
parent 2c81344638
commit 11c3f1c5eb
10 changed files with 212 additions and 34 deletions
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41
src/graphics/core/Font.cpp
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@ -11,8 +11,17 @@ inline constexpr uint GLYPH_SIZE = 16;
inline constexpr uint MAX_CODEPAGES = 10000; // idk ho many codepages unicode has
inline constexpr glm::vec4 SHADOW_TINT(0.0f, 0.0f, 0.0f, 1.0f);
Font::Font(std::vector<std::unique_ptr<Texture>> pages, int lineHeight, int yoffset)
: lineHeight(lineHeight), yoffset(yoffset), pages(std::move(pages)) {
Font::Font(
std::vector<std::unique_ptr<Texture>> pages,
std::vector<Glyph> glyphs,
int lineHeight,
int yoffset
)
: lineHeight(lineHeight),
glyphInterval(lineHeight / 2),
yoffset(yoffset),
pages(std::move(pages)),
glyphs(std::move(glyphs)) {
}
Font::~Font() = default;
@ -39,7 +48,7 @@ bool Font::isPrintableChar(uint codepoint) const {
}
int FontMetrics::calcWidth(std::wstring_view text, size_t offset, size_t length) const {
return std::min(text.length() - offset, length) * glyphInterval;
return std::min(text.length() - offset, length) * _glyphInterval;
}
int Font::calcWidth(std::wstring_view text, size_t length) const {
@ -71,7 +80,7 @@ static inline void draw_glyph(
batch.sprite(
pos.x + (offset.x + i / (right.x/glyphInterval/2.0f)) * right.x,
pos.y + offset.y * right.y,
pos.y + offset.y * up.y,
right.x / glyphInterval,
up.y,
-0.15f * style.italic,
@ -152,11 +161,15 @@ static inline void draw_text(
x++;
continue;
}
int yOffset = 0;
if (auto glyph = font.getGlyph(c)) {
yOffset = glyph->yOffset;
}
uint charpage = c >> 8;
if (charpage == page){
batch.texture(font.getPage(charpage));
draw_glyph(
batch, pos, glm::vec2(x, y), c, right, up, interval, style
batch, pos, glm::vec2(x, y - yOffset / static_cast<float>(font.getLineHeight())), c, right, up, interval, style
);
}
else if (charpage > page && charpage < next){
@ -243,3 +256,21 @@ void Font::draw(
styleMapOffset
);
}
std::unique_ptr<Font> Font::createBitmapFont(
std::vector<std::unique_ptr<ImageData>> pages
) {
int res = pages.at(0)->getHeight() / 16;
std::vector<std::unique_ptr<Texture>> textures;
std::vector<Glyph> glyphs(textures.size() * 256);
for (auto& page : pages) {
if (page == nullptr) {
textures.emplace_back(nullptr);
} else {
auto texture = Texture::from(page.get());
texture->setMipMapping(false, true);
textures.emplace_back(std::move(texture));
}
}
return std::make_unique<Font>(std::move(textures), std::move(glyphs), res, 4);
}