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Added ImFontAtlas::AddFontFromCompressedTTF() helper + binary_to_compressed_c.cpp tool

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This commit is contained in:
ocornut
2015-04-11 17:52:51 +01:00
parent d809abbe1c
commit ac740170b9
3 changed files with 345 additions and 11 deletions
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23
imgui.cpp
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@ -8101,18 +8101,10 @@ static unsigned int stb_decompress(unsigned char *output, unsigned char *i, unsi
// Load embedded ProggyClean.ttf at size 13
ImFont* ImFontAtlas::AddFontDefault()
{
// Get compressed data
unsigned int ttf_compressed_size;
const void* ttf_compressed;
GetDefaultCompressedFontDataTTF(&ttf_compressed, &ttf_compressed_size);
// Decompress
const size_t buf_decompressed_size = stb_decompress_length((unsigned char*)ttf_compressed);
unsigned char* buf_decompressed = (unsigned char *)ImGui::MemAlloc(buf_decompressed_size);
stb_decompress(buf_decompressed, (unsigned char*)ttf_compressed, ttf_compressed_size);
// Add
ImFont* font = AddFontFromMemoryTTF(buf_decompressed, buf_decompressed_size, 13.0f, GetGlyphRangesDefault(), 0);
ImFont* font = AddFontFromMemoryCompressedTTF(ttf_compressed, ttf_compressed_size, 13.0f, GetGlyphRangesDefault(), 0);
font->DisplayOffset.y += 1;
return font;
}
@ -8127,7 +8119,6 @@ ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels,
return NULL;
}
// Add
ImFont* font = AddFontFromMemoryTTF(data, data_size, size_pixels, glyph_ranges, font_no);
return font;
}
@ -8157,6 +8148,18 @@ ImFont* ImFontAtlas::AddFontFromMemoryTTF(void* in_ttf_data, size_t in_ttf_data_
return font;
}
ImFont* ImFontAtlas::AddFontFromMemoryCompressedTTF(const void* in_compressed_ttf_data, size_t in_compressed_ttf_data_size, float size_pixels, const ImWchar* glyph_ranges, int font_no)
{
// Decompress
const size_t buf_decompressed_size = stb_decompress_length((unsigned char*)in_compressed_ttf_data);
unsigned char* buf_decompressed = (unsigned char *)ImGui::MemAlloc(buf_decompressed_size);
stb_decompress(buf_decompressed, (unsigned char*)in_compressed_ttf_data, in_compressed_ttf_data_size);
// Add
ImFont* font = AddFontFromMemoryTTF(buf_decompressed, buf_decompressed_size, size_pixels, glyph_ranges, font_no);
return font;
}
bool ImFontAtlas::Build()
{
IM_ASSERT(InputData.size() > 0);