Initial commit

arm9/source/errorDisplay/nitroFont2.h

@@ -0,0 +1,62 @@
+#pragma once
+
+#define NFT2_SIGNATURE      0x3254464E
+
+struct nft2_glyph_t
+{
+    u32 dataOffset : 24;
+    u32 glyphWidth : 8;
+    s8 spacingLeft;
+    s8 spacingRight;
+    u8 glyphHeight;
+    s8 spacingTop;
+};
+
+struct nft2_char_map_entry_t
+{
+    u16 count;
+    u16 startChar;
+    u16 glyphs[1];
+};
+
+struct nft2_header_t
+{
+    u32 signature;
+    const nft2_glyph_t* glyphInfoPtr;
+    const nft2_char_map_entry_t* charMapPtr;
+    const u8* glyphDataPtr;
+    u8 ascend;
+    u8 descend;
+    u16 glyphCount;
+};
+
+struct nft2_string_render_params_t
+{
+    int x;
+    int y;
+    u32 width;
+    u32 height;
+    u32 textWidth;
+};
+
+/// @brief Prepares the ntf2 data of the given \p font for runtime use.
+///        Call this method once after loading a font file.
+/// @param font The font to prepare.
+/// @return True if preparing was successful, or false otherwise.
+bool nft2_unpack(nft2_header_t* font);
+
+/// @brief Finds the glyph index in the given \p font that corresponds to the given \p character.
+/// @param font The font the find the glyph index in.
+/// @param character The character to find the glyph index for.
+/// @return The glyph index if found, or 0 otherwise.
+int nft2_findGlyphIdxForCharacter(const nft2_header_t* font, u16 character);
+
+/// @brief Renders the given \p string with the given \p font to the \p dst buffer
+///        with the given \p stride and \p renderParams.
+/// @param font The font to use.
+/// @param string The string to render.
+/// @param dst The destination buffer.
+/// @param stride The stride of the destination buffer.
+/// @param renderParams The render params.
+void nft2_renderString(const nft2_header_t* font, const char* string, u8* dst,
+    u32 stride, nft2_string_render_params_t* renderParams);