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working on font system

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kbz_8
2023-12-13 00:33:34 +01:00
parent 5093e7d1eb
commit c0e2750fb3
11 changed files with 333 additions and 92 deletions
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58
src/renderer/text_pipeline.cpp
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@@ -6,7 +6,7 @@
/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/06 16:41:13 by maldavid #+# #+# */
/* Updated: 2023/12/11 15:12:02 by kbz_8 ### ########.fr */
/* Updated: 2023/12/13 00:25:48 by kbz_8 ### ########.fr */
/* */
/* ************************************************************************** */
@@ -36,7 +36,7 @@ namespace mlx
text(std::move(_text))
{}
void TextDrawData::init(TextLibrary& library, std::array<stbtt_packedchar, 96>& cdata) noexcept
void TextDrawData::init(TextLibrary& library, Font* const font) noexcept
{
std::vector<Vertex> vertexData;
std::vector<uint16_t> indexData;
@@ -50,7 +50,7 @@ namespace mlx
continue;
stbtt_aligned_quad q;
stbtt_GetPackedQuad(cdata.data(), RANGE, RANGE, c - 32, &stb_x, &stb_y, &q, 1);
stbtt_GetPackedQuad(font->getCharData().data(), RANGE, RANGE, c - 32, &stb_x, &stb_y, &q, 1);
std::size_t index = vertexData.size();
@@ -67,7 +67,7 @@ namespace mlx
indexData.emplace_back(index + 0);
}
std::shared_ptr<TextData> text_data = std::make_shared<TextData>();
text_data->init(text, std::move(vertexData), std::move(indexData));
text_data->init(text, font, std::move(vertexData), std::move(indexData));
id = library.addTextToLibrary(text_data);
#ifdef DEBUG
@@ -78,61 +78,19 @@ namespace mlx
void TextPutPipeline::init(Renderer* renderer) noexcept
{
_renderer = renderer;
std::vector<uint8_t> tmp_bitmap(RANGE * RANGE);
std::vector<uint8_t> vulkan_bitmap(RANGE * RANGE * 4);
stbtt_pack_context pc;
stbtt_PackBegin(&pc, tmp_bitmap.data(), RANGE, RANGE, RANGE, 1, nullptr);
stbtt_PackFontRange(&pc, dogica_ttf, 0, 6.0, 32, 96, _cdata.data());
stbtt_PackEnd(&pc);
for(int i = 0, j = 0; i < RANGE * RANGE; i++, j += 4)
{
vulkan_bitmap[j + 0] = tmp_bitmap[i];
vulkan_bitmap[j + 1] = tmp_bitmap[i];
vulkan_bitmap[j + 2] = tmp_bitmap[i];
vulkan_bitmap[j + 3] = tmp_bitmap[i];
}
_atlas.create(vulkan_bitmap.data(), RANGE, RANGE, VK_FORMAT_R8G8B8A8_UNORM, "__mlx_texts_pipeline_texture_atlas", true);
_atlas.setDescriptor(renderer->getFragDescriptorSet().duplicate());
_font_set.emplace(*_renderer, "default", dogica_ttf, 6.0f);
}
void TextPutPipeline::loadFont(const std::filesystem::path& filepath, float scale)
{
std::vector<uint8_t> tmp_bitmap(RANGE * RANGE);
std::vector<uint8_t> vulkan_bitmap(RANGE * RANGE * 4);
std::ifstream file(filepath, std::ios::binary);
if(!file.is_open())
{
core::error::report(e_kind::error, "Font load : cannot open font file, %s", filepath.string().c_str());
return;
}
std::ifstream::pos_type fileSize = std::filesystem::file_size(filepath);
file.seekg(0, std::ios::beg);
std::vector<uint8_t> bytes(fileSize);
file.read(reinterpret_cast<char*>(bytes.data()), fileSize);
file.close();
stbtt_pack_context pc;
stbtt_PackBegin(&pc, tmp_bitmap.data(), RANGE, RANGE, RANGE, 1, nullptr);
stbtt_PackFontRange(&pc, bytes.data(), 0, scale, 32, 96, _cdata.data());
stbtt_PackEnd(&pc);
for(int i = 0, j = 0; i < RANGE * RANGE; i++, j += 4)
{
vulkan_bitmap[j + 0] = tmp_bitmap[i];
vulkan_bitmap[j + 1] = tmp_bitmap[i];
vulkan_bitmap[j + 2] = tmp_bitmap[i];
vulkan_bitmap[j + 3] = tmp_bitmap[i];
}
destroy();
_atlas.create(vulkan_bitmap.data(), RANGE, RANGE, VK_FORMAT_R8G8B8A8_UNORM, "__mlx_texts_pipeline_texture_atlas", true);
_atlas.setDescriptor(_renderer->getFragDescriptorSet().duplicate());
_font_set.emplace(*_renderer, filepath, scale);
}
void TextPutPipeline::put(int x, int y, int color, std::string str)
{
auto res = _drawlist.emplace(std::move(str), color, x, y);
if(res.second)
const_cast<TextDrawData&>(*res.first).init(_library, _cdata);
const_cast<TextDrawData&>(*res.first).init(_library, _font_in_use);
}
void TextPutPipeline::render()
@@ -150,6 +108,6 @@ namespace mlx
{
_library.clearLibrary();
_drawlist.clear();
_atlas.destroy();
_font_set.clear();
}
}