diff --git a/imgui_draw.cpp b/imgui_draw.cpp index 5ab40ac9..dfb8bb4b 100644 --- a/imgui_draw.cpp +++ b/imgui_draw.cpp @@ -1267,23 +1267,6 @@ void ImGui::ShadeVertsLinearColorGradientKeepAlpha(ImDrawVert* vert_start, ImDra } } -// Scan and shade backward from the end of given vertices. Assume vertices are text only (= vert_start..vert_end going left to right) so we can break as soon as we are out the gradient bounds. -void ImGui::ShadeVertsLinearAlphaGradientForLeftToRightText(ImDrawVert* vert_start, ImDrawVert* vert_end, float gradient_p0_x, float gradient_p1_x) -{ - float gradient_extent_x = gradient_p1_x - gradient_p0_x; - float gradient_inv_length2 = 1.0f / (gradient_extent_x * gradient_extent_x); - int full_alpha_count = 0; - for (ImDrawVert* vert = vert_end - 1; vert >= vert_start; vert--) - { - float d = (vert->pos.x - gradient_p0_x) * (gradient_extent_x); - float alpha_mul = 1.0f - ImClamp(d * gradient_inv_length2, 0.0f, 1.0f); - if (alpha_mul >= 1.0f && ++full_alpha_count > 2) - return; // Early out - int a = (int)(((vert->col >> IM_COL32_A_SHIFT) & 0xFF) * alpha_mul); - vert->col = (vert->col & ~IM_COL32_A_MASK) | (a << IM_COL32_A_SHIFT); - } -} - // Distribute UV over (a, b) rectangle void ImGui::ShadeVertsLinearUV(ImDrawVert* vert_start, ImDrawVert* vert_end, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, bool clamp) { diff --git a/imgui_internal.h b/imgui_internal.h index cc5c77c0..d4737042 100644 --- a/imgui_internal.h +++ b/imgui_internal.h @@ -1175,7 +1175,6 @@ namespace ImGui // Shade functions (write over already created vertices) IMGUI_API void ShadeVertsLinearColorGradientKeepAlpha(ImDrawVert* vert_start, ImDrawVert* vert_end, ImVec2 gradient_p0, ImVec2 gradient_p1, ImU32 col0, ImU32 col1); - IMGUI_API void ShadeVertsLinearAlphaGradientForLeftToRightText(ImDrawVert* vert_start, ImDrawVert* vert_end, float gradient_p0_x, float gradient_p1_x); IMGUI_API void ShadeVertsLinearUV(ImDrawVert* vert_start, ImDrawVert* vert_end, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, bool clamp); } // namespace ImGui