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Renamed ImDrawList::AddArc() to ImDrawList::AddArcFast() for compatibility with future API, and changed 2*PI range from 0..12 to 0..16

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ocornut 2015-04-09 00:49:21 +01:00
parent 71cfa264d7
commit 200d3482dc
2 changed files with 18 additions and 17 deletions
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33
imgui.cpp
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@ -135,6 +135,7 @@
Occasionally introducing changes that are breaking the API. The breakage are generally minor and easy to fix. Occasionally introducing changes that are breaking the API. The breakage are generally minor and easy to fix.
Here is a change-log of API breaking changes, if you are using one of the functions listed, expect to have to fix some code. Here is a change-log of API breaking changes, if you are using one of the functions listed, expect to have to fix some code.
- 2015/04/09 (1.38) - renamed ImDrawList::AddArc() to ImDrawList::AddArcFast() for compatibility with future API, and changed 2*PI range from 0..12 to 0..16
- 2015/04/03 (1.38) - removed ImGuiCol_CheckHovered, ImGuiCol_CheckActive, replaced with the more general ImGuiCol_FrameBgHovered, ImGuiCol_FrameBgActive. - 2015/04/03 (1.38) - removed ImGuiCol_CheckHovered, ImGuiCol_CheckActive, replaced with the more general ImGuiCol_FrameBgHovered, ImGuiCol_FrameBgActive.
- 2014/04/03 (1.38) - removed support for passing -FLT_MAX..+FLT_MAX as the range for a SliderFloat(). Use DragFloat() or Inputfloat() instead. - 2014/04/03 (1.38) - removed support for passing -FLT_MAX..+FLT_MAX as the range for a SliderFloat(). Use DragFloat() or Inputfloat() instead.
- 2015/03/17 (1.36) - renamed GetItemRectMin()/GetItemRectMax()/IsMouseHoveringBox() to GetItemRectMin()/GetItemRectMax()/IsMouseHoveringRect(). Kept inline redirection function (will obsolete). - 2015/03/17 (1.36) - renamed GetItemRectMin()/GetItemRectMax()/IsMouseHoveringBox() to GetItemRectMin()/GetItemRectMax()/IsMouseHoveringRect(). Kept inline redirection function (will obsolete).
@ -3328,7 +3329,7 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
else else
{ {
// FIXME: We should draw 4 triangles and decide on a size that's not dependent on the rounding size (previously used 18) // FIXME: We should draw 4 triangles and decide on a size that's not dependent on the rounding size (previously used 18)
window->DrawList->AddArc(br - ImVec2(r,r), r, resize_col, 6, 9, true); window->DrawList->AddArcFast(br - ImVec2(r,r), r, resize_col, 8, 12, true);
window->DrawList->AddTriangleFilled(br+ImVec2(0,-2*r),br+ImVec2(0,-r),br+ImVec2(-r,-r), resize_col); window->DrawList->AddTriangleFilled(br+ImVec2(0,-2*r),br+ImVec2(0,-r),br+ImVec2(-r,-r), resize_col);
window->DrawList->AddTriangleFilled(br+ImVec2(-r,-r), br+ImVec2(-r,0),br+ImVec2(-2*r,0), resize_col); window->DrawList->AddTriangleFilled(br+ImVec2(-r,-r), br+ImVec2(-r,0),br+ImVec2(-2*r,0), resize_col);
} }
@ -7750,18 +7751,18 @@ void ImDrawList::AddLine(const ImVec2& a, const ImVec2& b, ImU32 col, float thic
AddVtxLine(a, b, col, thickness); AddVtxLine(a, b, col, thickness);
} }
void ImDrawList::AddArc(const ImVec2& center, float rad, ImU32 col, int a_min, int a_max, bool tris, const ImVec2& third_point_offset) void ImDrawList::AddArcFast(const ImVec2& center, float rad, ImU32 col, int a_min, int a_max, bool tris, const ImVec2& third_point_offset)
{ {
if ((col >> 24) == 0) if ((col >> 24) == 0)
return; return;
static ImVec2 circle_vtx[12]; static ImVec2 circle_vtx[16];
static bool circle_vtx_builds = false; static bool circle_vtx_builds = false;
if (!circle_vtx_builds) if (!circle_vtx_builds)
{ {
for (int i = 0; i < IM_ARRAYSIZE(circle_vtx); i++) for (int i = 0; i < 16; i++)
{ {
const float a = ((float)i / (float)IM_ARRAYSIZE(circle_vtx)) * 2*PI; const float a = ((float)i / (float)16.0f) * 2*PI;
circle_vtx[i].x = cosf(a + PI); circle_vtx[i].x = cosf(a + PI);
circle_vtx[i].y = sinf(a + PI); circle_vtx[i].y = sinf(a + PI);
} }
@ -7773,8 +7774,8 @@ void ImDrawList::AddArc(const ImVec2& center, float rad, ImU32 col, int a_min, i
ReserveVertices((unsigned int)(a_max-a_min) * 3); ReserveVertices((unsigned int)(a_max-a_min) * 3);
for (int a = a_min; a < a_max; a++) for (int a = a_min; a < a_max; a++)
{ {
AddVtx(center + circle_vtx[a % IM_ARRAYSIZE(circle_vtx)] * rad, col); AddVtx(center + circle_vtx[a & 15] * rad, col);
AddVtx(center + circle_vtx[(a+1) % IM_ARRAYSIZE(circle_vtx)] * rad, col); AddVtx(center + circle_vtx[(a+1) & 15] * rad, col);
AddVtx(center + third_point_offset, col); AddVtx(center + third_point_offset, col);
} }
} }
@ -7782,7 +7783,7 @@ void ImDrawList::AddArc(const ImVec2& center, float rad, ImU32 col, int a_min, i
{ {
ReserveVertices((unsigned int)(a_max-a_min) * 6); ReserveVertices((unsigned int)(a_max-a_min) * 6);
for (int a = a_min; a < a_max; a++) for (int a = a_min; a < a_max; a++)
AddVtxLine(center + circle_vtx[a % IM_ARRAYSIZE(circle_vtx)] * rad, center + circle_vtx[(a+1) % IM_ARRAYSIZE(circle_vtx)] * rad, col); AddVtxLine(center + circle_vtx[a & 15] * rad, center + circle_vtx[(a+1) & 15] * rad, col);
} }
} }
@ -7811,10 +7812,10 @@ void ImDrawList::AddRect(const ImVec2& a, const ImVec2& b, ImU32 col, float roun
AddVtxLine(ImVec2(b.x - ((rounding_corners & 4)?r:0), b.y), ImVec2(a.x + ((rounding_corners & 8)?r:0), b.y), col); AddVtxLine(ImVec2(b.x - ((rounding_corners & 4)?r:0), b.y), ImVec2(a.x + ((rounding_corners & 8)?r:0), b.y), col);
AddVtxLine(ImVec2(a.x, b.y - ((rounding_corners & 8)?r:0)), ImVec2(a.x, a.y + ((rounding_corners & 1)?r:0)), col); AddVtxLine(ImVec2(a.x, b.y - ((rounding_corners & 8)?r:0)), ImVec2(a.x, a.y + ((rounding_corners & 1)?r:0)), col);
if (rounding_corners & 1) AddArc(ImVec2(a.x+r,a.y+r), r, col, 0, 3); if (rounding_corners & 1) AddArcFast(ImVec2(a.x+r,a.y+r), r, col, 0, 4);
if (rounding_corners & 2) AddArc(ImVec2(b.x-r,a.y+r), r, col, 3, 6); if (rounding_corners & 2) AddArcFast(ImVec2(b.x-r,a.y+r), r, col, 4, 8);
if (rounding_corners & 4) AddArc(ImVec2(b.x-r,b.y-r), r, col, 6, 9); if (rounding_corners & 4) AddArcFast(ImVec2(b.x-r,b.y-r), r, col, 8, 12);
if (rounding_corners & 8) AddArc(ImVec2(a.x+r,b.y-r), r, col, 9, 12); if (rounding_corners & 8) AddArcFast(ImVec2(a.x+r,b.y-r), r, col, 12, 16);
} }
} }
@ -7866,10 +7867,10 @@ void ImDrawList::AddRectFilled(const ImVec2& a, const ImVec2& b, ImU32 col, floa
AddVtx(ImVec2(b.x,bot_y), col); AddVtx(ImVec2(b.x,bot_y), col);
AddVtx(ImVec2(b.x-r,bot_y), col); AddVtx(ImVec2(b.x-r,bot_y), col);
if (rounding_corners & 1) AddArc(ImVec2(a.x+r,a.y+r), r, col, 0, 3, true); if (rounding_corners & 1) AddArcFast(ImVec2(a.x+r,a.y+r), r, col, 0, 4, true);
if (rounding_corners & 2) AddArc(ImVec2(b.x-r,a.y+r), r, col, 3, 6, true); if (rounding_corners & 2) AddArcFast(ImVec2(b.x-r,a.y+r), r, col, 4, 8, true);
if (rounding_corners & 4) AddArc(ImVec2(b.x-r,b.y-r), r, col, 6, 9, true); if (rounding_corners & 4) AddArcFast(ImVec2(b.x-r,b.y-r), r, col, 8, 12, true);
if (rounding_corners & 8) AddArc(ImVec2(a.x+r,b.y-r), r, col, 9, 12,true); if (rounding_corners & 8) AddArcFast(ImVec2(a.x+r,b.y-r), r, col, 12, 16, true);
} }
} }

2
imgui.h
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@ -913,7 +913,7 @@ struct ImDrawList
IMGUI_API void AddTriangleFilled(const ImVec2& a, const ImVec2& b, const ImVec2& c, ImU32 col); IMGUI_API void AddTriangleFilled(const ImVec2& a, const ImVec2& b, const ImVec2& c, ImU32 col);
IMGUI_API void AddCircle(const ImVec2& centre, float radius, ImU32 col, int num_segments = 12); IMGUI_API void AddCircle(const ImVec2& centre, float radius, ImU32 col, int num_segments = 12);
IMGUI_API void AddCircleFilled(const ImVec2& centre, float radius, ImU32 col, int num_segments = 12); IMGUI_API void AddCircleFilled(const ImVec2& centre, float radius, ImU32 col, int num_segments = 12);
IMGUI_API void AddArc(const ImVec2& center, float rad, ImU32 col, int a_min, int a_max, bool tris = false, const ImVec2& third_point_offset = ImVec2(0,0)); IMGUI_API void AddArcFast(const ImVec2& center, float rad, ImU32 col, int a_min_of_16, int a_max_of_16, bool tris = false, const ImVec2& third_point_offset = ImVec2(0,0)); // Angles in 0..16 range
IMGUI_API void AddText(const ImFont* font, float font_size, const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end = NULL, float wrap_width = 0.0f, const ImVec2* cpu_clip_max = NULL); IMGUI_API void AddText(const ImFont* font, float font_size, const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end = NULL, float wrap_width = 0.0f, const ImVec2* cpu_clip_max = NULL);
IMGUI_API void AddImage(ImTextureID user_texture_id, const ImVec2& a, const ImVec2& b, const ImVec2& uv0, const ImVec2& uv1, ImU32 col = 0xFFFFFFFF); IMGUI_API void AddImage(ImTextureID user_texture_id, const ImVec2& a, const ImVec2& b, const ImVec2& uv0, const ImVec2& uv1, ImU32 col = 0xFFFFFFFF);