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TODO: 字体布局

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This commit is contained in:
Nanako 2024-12-27 09:37:31 +08:00
parent 5abdc2fc1d
commit 4074f5d6e1
5 changed files with 13 additions and 4 deletions
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HarmonyOS_Sans_SC_Regular.ttf Normal file
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4
src/renderer/backend/dx/dx_window.cpp
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@ -112,7 +112,9 @@ void dx_window::begin_frame() {
// context.draw_line( { 600, 600 }, { mouse_x, mouse_y }, { 1, 0, 1, 1 }, thickness);
// if (test_texture) context.draw_texture({ 0.f, 0.f }, test_texture->size().cast<float>(), test_texture);
context.draw_string({0, 0}, U"你好，世界！全是水群大师\n测试换行\n测试Unicode: 😀\nТест по русскому языку\nテスト日本語", 32, {0, 0, 0, 1});
// context.draw_string({0, 0}, U"你好，世界！全是水群大师\n测试换行\n测试Unicode: 😀\nТест по русскому языку\nテスト日本語", 32, {0, 0, 0, 1});
context.draw_string({0, 100}, U"Тест по русскому языку", 32, {0, 0, 0, 1});
context.draw_rectangle({ 0, 100 }, { 2048, 1 }, { 1, 0, 1, 1 });
context.flush();

10
src/renderer/core/renderer/renderer_context.cpp
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@ -46,6 +46,7 @@ void renderer_context::draw_string(const Eigen::Vector2f& in_pos, const std::u32
float cursor_x = in_pos.x();
float cursor_y = in_pos.y();
Eigen::Vector2f cursor(cursor_x, cursor_y);
const auto& measure = text->measure_text(in_str, in_height);
for (const auto& mch: measure) {
@ -53,8 +54,12 @@ void renderer_context::draw_string(const Eigen::Vector2f& in_pos, const std::u32
if (!info)
continue;
// 使用整形坐标, 避免出现模糊
const Eigen::Vector2f pos { cursor_x + mch.x_offset, cursor_y + mch.y_offset };
const Eigen::Vector2f size { info->get_width() * mch.size_scale, info->get_height() * mch.size_scale };
Eigen::Vector2f pos{ info->left, info->right };
pos += cursor;
Eigen::Vector2f size{ info->get_width(), info->get_height() };
// const Eigen::Vector2f pos { cursor_x + mch.x_offset, cursor_y + mch.y_offset };
// const Eigen::Vector2f size { info->get_width() * mch.size_scale, info->get_height() * mch.size_scale };
aorii_vertex_param param{};
param.param_a1 = info->tex_u;
@ -64,6 +69,7 @@ void renderer_context::draw_string(const Eigen::Vector2f& in_pos, const std::u32
param.param_b2 = info->v_size;
make_rect(pos, size, in_color, 0, param);
cursor.x() += size.x();
}
}

1
src/renderer/core/renderer/renderer_text.cpp
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@ -304,6 +304,7 @@ ch_atlas_item const* aorii_text::cache_ch_to_atlas(char32_t ch) {
stbtt_GetGlyphHMetrics(font, glyph_index, &advance_width, &left_side_bearing);
int ch_x0, ch_y0, ch_x1, ch_y1;
stbtt_GetGlyphBox(font, glyph_index, &ch_x0, &ch_y0, &ch_x1, &ch_y1);
spdlog::info("left: {}, right: {}, top: {}, bottom: {}", ch_x0, ch_x1, ch_y0, ch_y1);
// 将x_offset和y_offset转换到字体空间
x_offset = x_offset / scale;

2
src/renderer/shader/aorii_sdf_text.slang
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@ -42,7 +42,7 @@ SamplerState sampler_state : register(s0);
float4 pixel_main(PSInput input) : SV_Target {
float2 uv = input.altas_uv + input.char_size * input.uv;
float distance = atlas_texture.Sample(sampler_state, float3(uv, input.altas_index)).r;
// return float4(distance, distance, distance, 1.0);
return float4(distance, distance, distance, 1.0);
float range = 0.2;
float alpha = smoothstep(0.4, 0.5, distance);