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Added custom text size calculation

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This commit is contained in:
KiritoDev 2022-05-11 10:37:39 -05:00
commit d86333055e
2 changed files with 29 additions and 1 deletions
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29
libultraship/libultraship/GameOverlay.cpp
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@ -52,7 +52,34 @@ float Ship::GameOverlay::GetScreenHeight() {
} }
float Ship::GameOverlay::GetStringWidth(const char* text) { float Ship::GameOverlay::GetStringWidth(const char* text) {
return ImGui::CalcTextSize(text).x; return CalculateTextSize(text).x;
}
ImVec2 Ship::GameOverlay::CalculateTextSize(const char* text, const char* text_end, bool hide_text_after_double_hash, float wrap_width) {
ImGuiContext& g = *GImGui;
const char* text_display_end;
if (hide_text_after_double_hash)
text_display_end = ImGui::FindRenderedTextEnd(text, text_end); // Hide anything after a '##' string
else
text_display_end = text_end;
GameOverlay* overlay = SohImGui::overlay;
ImFont* font = overlay->CurrentFont == "Default" ? g.Font : overlay->Fonts[overlay->CurrentFont];
const float font_size = font->FontSize;
if (text == text_display_end)
return ImVec2(0.0f, font_size);
ImVec2 text_size = font->CalcTextSizeA(font_size, FLT_MAX, wrap_width, text, text_display_end, NULL);
// Round
// FIXME: This has been here since Dec 2015 (7b0bf230) but down the line we want this out.
// FIXME: Investigate using ceilf or e.g.
// - https://git.musl-libc.org/cgit/musl/tree/src/math/ceilf.c
// - https://embarkstudios.github.io/rust-gpu/api/src/libm/math/ceilf.rs.html
text_size.x = IM_FLOOR(text_size.x + 0.99999f);
return text_size;
} }
void Ship::GameOverlay::Init() { void Ship::GameOverlay::Init() {

1
libultraship/libultraship/GameOverlay.h
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@ -27,6 +27,7 @@ namespace Ship {
static float GetScreenWidth(); static float GetScreenWidth();
static float GetScreenHeight(); static float GetScreenHeight();
static float GetStringWidth(const char* text); static float GetStringWidth(const char* text);
static ImVec2 CalculateTextSize(const char* text, const char* text_end = NULL, bool hide_text_after_double_hash = false, float wrap_width = -1.0f);
private: private:
void TextDraw(float x, float y, bool shadow, const char* text, ...); void TextDraw(float x, float y, bool shadow, const char* text, ...);
void LoadFont(const std::string& name, const std::string& path, float fontSize); void LoadFont(const std::string& name, const std::string& path, float fontSize);