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ImDrawList: clarified the name of many parameters so reading the code is a little easier. (#2740)

This commit is contained in:
omar 2019-08-22 17:43:57 +02:00
parent 3fb5cf3541
commit c4ff1b3578
4 changed files with 79 additions and 70 deletions
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1
docs/CHANGELOG.txt
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@ -39,6 +39,7 @@ Other Changes:
when enabled will have small overlap glitches with (style.Alpha < 1.0). when enabled will have small overlap glitches with (style.Alpha < 1.0).
- TabBar: fixed ScrollToBar request creating bouncing loop when tab is larger than available space. - TabBar: fixed ScrollToBar request creating bouncing loop when tab is larger than available space.
- TabBar: fixed single-tab not shrinking their width down. - TabBar: fixed single-tab not shrinking their width down.
- ImDrawList: clarified the name of many parameters so reading the code is a little easier. (#2740)
- Using offsetof() when available in C++11. Avoids Clang sanitizer complaining about old-style macros. (#94) - Using offsetof() when available in C++11. Avoids Clang sanitizer complaining about old-style macros. (#94)
- Backends: DX11: Fixed GSGetShader() call not passing an initialized instance count, - Backends: DX11: Fixed GSGetShader() call not passing an initialized instance count,
would generally make the debug layer complain (Added in 1.72). would generally make the debug layer complain (Added in 1.72).

36
imgui.h
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@ -1901,33 +1901,39 @@ struct ImDrawList
inline ImVec2 GetClipRectMax() const { const ImVec4& cr = _ClipRectStack.back(); return ImVec2(cr.z, cr.w); } inline ImVec2 GetClipRectMax() const { const ImVec4& cr = _ClipRectStack.back(); return ImVec2(cr.z, cr.w); }
// Primitives // Primitives
IMGUI_API void AddLine(const ImVec2& a, const ImVec2& b, ImU32 col, float thickness = 1.0f); // - For rectangular primitives, "p_min" and "p_max" represent the upper-left and lower-right corners.
IMGUI_API void AddRect(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding = 0.0f, ImDrawCornerFlags rounding_corners = ImDrawCornerFlags_All, float thickness = 1.0f); // a: upper-left, b: lower-right (== upper-left + size), rounding_corners_flags: 4-bits corresponding to which corner to round IMGUI_API void AddLine(const ImVec2& p1, const ImVec2& p2, ImU32 col, float thickness = 1.0f);
IMGUI_API void AddRectFilled(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding = 0.0f, ImDrawCornerFlags rounding_corners = ImDrawCornerFlags_All); // a: upper-left, b: lower-right (== upper-left + size) IMGUI_API void AddRect(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding = 0.0f, ImDrawCornerFlags rounding_corners = ImDrawCornerFlags_All, float thickness = 1.0f); // a: upper-left, b: lower-right (== upper-left + size), rounding_corners_flags: 4-bits corresponding to which corner to round
IMGUI_API void AddRectFilledMultiColor(const ImVec2& a, const ImVec2& b, ImU32 col_upr_left, ImU32 col_upr_right, ImU32 col_bot_right, ImU32 col_bot_left); IMGUI_API void AddRectFilled(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding = 0.0f, ImDrawCornerFlags rounding_corners = ImDrawCornerFlags_All); // a: upper-left, b: lower-right (== upper-left + size)
IMGUI_API void AddQuad(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, ImU32 col, float thickness = 1.0f); IMGUI_API void AddRectFilledMultiColor(const ImVec2& p_min, const ImVec2& p_max, ImU32 col_upr_left, ImU32 col_upr_right, ImU32 col_bot_right, ImU32 col_bot_left);
IMGUI_API void AddQuadFilled(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, ImU32 col); IMGUI_API void AddQuad(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness = 1.0f);
IMGUI_API void AddTriangle(const ImVec2& a, const ImVec2& b, const ImVec2& c, ImU32 col, float thickness = 1.0f); IMGUI_API void AddQuadFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col);
IMGUI_API void AddTriangleFilled(const ImVec2& a, const ImVec2& b, const ImVec2& c, ImU32 col); IMGUI_API void AddTriangle(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness = 1.0f);
IMGUI_API void AddCircle(const ImVec2& centre, float radius, ImU32 col, int num_segments = 12, float thickness = 1.0f); IMGUI_API void AddTriangleFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col);
IMGUI_API void AddCircleFilled(const ImVec2& centre, float radius, ImU32 col, int num_segments = 12); IMGUI_API void AddCircle(const ImVec2& center, float radius, ImU32 col, int num_segments = 12, float thickness = 1.0f);
IMGUI_API void AddCircleFilled(const ImVec2& center, float radius, ImU32 col, int num_segments = 12);
IMGUI_API void AddText(const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end = NULL); IMGUI_API void AddText(const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end = 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 ImVec4* cpu_fine_clip_rect = 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 ImVec4* cpu_fine_clip_rect = NULL);
IMGUI_API void AddImage(ImTextureID user_texture_id, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a = ImVec2(0,0), const ImVec2& uv_b = ImVec2(1,1), ImU32 col = IM_COL32_WHITE);
IMGUI_API void AddImageQuad(ImTextureID user_texture_id, const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, const ImVec2& uv_a = ImVec2(0,0), const ImVec2& uv_b = ImVec2(1,0), const ImVec2& uv_c = ImVec2(1,1), const ImVec2& uv_d = ImVec2(0,1), ImU32 col = IM_COL32_WHITE);
IMGUI_API void AddImageRounded(ImTextureID user_texture_id, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners = ImDrawCornerFlags_All);
IMGUI_API void AddPolyline(const ImVec2* points, int num_points, ImU32 col, bool closed, float thickness); IMGUI_API void AddPolyline(const ImVec2* points, int num_points, ImU32 col, bool closed, float thickness);
IMGUI_API void AddConvexPolyFilled(const ImVec2* points, int num_points, ImU32 col); // Note: Anti-aliased filling requires points to be in clockwise order. IMGUI_API void AddConvexPolyFilled(const ImVec2* points, int num_points, ImU32 col); // Note: Anti-aliased filling requires points to be in clockwise order.
IMGUI_API void AddBezierCurve(const ImVec2& pos0, const ImVec2& cp0, const ImVec2& cp1, const ImVec2& pos1, ImU32 col, float thickness, int num_segments = 0); IMGUI_API void AddBezierCurve(const ImVec2& pos0, const ImVec2& cp0, const ImVec2& cp1, const ImVec2& pos1, ImU32 col, float thickness, int num_segments = 0);
// Image primitives
// - Read FAQ to understand what ImTextureID is.
// - "p_min" and "p_max" represent the upper-left and lower-right corners of the rectangle.
// - "uv_min" and "uv_max" represent the normalized texture coordinates to use for those corners. Using (0,0)->(1,1) texture coordinates will generally display the entire texture.
IMGUI_API void AddImage(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min = ImVec2(0, 0), const ImVec2& uv_max = ImVec2(1, 1), ImU32 col = IM_COL32_WHITE);
IMGUI_API void AddImageQuad(ImTextureID user_texture_id, const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, const ImVec2& uv1 = ImVec2(0, 0), const ImVec2& uv2 = ImVec2(1, 0), const ImVec2& uv3 = ImVec2(1, 1), const ImVec2& uv4 = ImVec2(0, 1), ImU32 col = IM_COL32_WHITE);
IMGUI_API void AddImageRounded(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners = ImDrawCornerFlags_All);
// Stateful path API, add points then finish with PathFillConvex() or PathStroke() // Stateful path API, add points then finish with PathFillConvex() or PathStroke()
inline void PathClear() { _Path.Size = 0; } inline void PathClear() { _Path.Size = 0; }
inline void PathLineTo(const ImVec2& pos) { _Path.push_back(pos); } inline void PathLineTo(const ImVec2& pos) { _Path.push_back(pos); }
inline void PathLineToMergeDuplicate(const ImVec2& pos) { if (_Path.Size == 0 || memcmp(&_Path.Data[_Path.Size-1], &pos, 8) != 0) _Path.push_back(pos); } inline void PathLineToMergeDuplicate(const ImVec2& pos) { if (_Path.Size == 0 || memcmp(&_Path.Data[_Path.Size-1], &pos, 8) != 0) _Path.push_back(pos); }
inline void PathFillConvex(ImU32 col) { AddConvexPolyFilled(_Path.Data, _Path.Size, col); _Path.Size = 0; } // Note: Anti-aliased filling requires points to be in clockwise order. inline void PathFillConvex(ImU32 col) { AddConvexPolyFilled(_Path.Data, _Path.Size, col); _Path.Size = 0; } // Note: Anti-aliased filling requires points to be in clockwise order.
inline void PathStroke(ImU32 col, bool closed, float thickness = 1.0f) { AddPolyline(_Path.Data, _Path.Size, col, closed, thickness); _Path.Size = 0; } inline void PathStroke(ImU32 col, bool closed, float thickness = 1.0f) { AddPolyline(_Path.Data, _Path.Size, col, closed, thickness); _Path.Size = 0; }
IMGUI_API void PathArcTo(const ImVec2& centre, float radius, float a_min, float a_max, int num_segments = 10); IMGUI_API void PathArcTo(const ImVec2& center, float radius, float a_min, float a_max, int num_segments = 10);
IMGUI_API void PathArcToFast(const ImVec2& centre, float radius, int a_min_of_12, int a_max_of_12); // Use precomputed angles for a 12 steps circle IMGUI_API void PathArcToFast(const ImVec2& center, float radius, int a_min_of_12, int a_max_of_12); // Use precomputed angles for a 12 steps circle
IMGUI_API void PathBezierCurveTo(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, int num_segments = 0); IMGUI_API void PathBezierCurveTo(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, int num_segments = 0);
IMGUI_API void PathRect(const ImVec2& rect_min, const ImVec2& rect_max, float rounding = 0.0f, ImDrawCornerFlags rounding_corners = ImDrawCornerFlags_All); IMGUI_API void PathRect(const ImVec2& rect_min, const ImVec2& rect_max, float rounding = 0.0f, ImDrawCornerFlags rounding_corners = ImDrawCornerFlags_All);

4
imgui_demo.cpp
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@ -4391,9 +4391,9 @@ static void ShowExampleAppCustomRendering(bool* p_open)
ImVec2 window_size = ImGui::GetWindowSize(); ImVec2 window_size = ImGui::GetWindowSize();
ImVec2 window_center = ImVec2(window_pos.x + window_size.x * 0.5f, window_pos.y + window_size.y * 0.5f); ImVec2 window_center = ImVec2(window_pos.x + window_size.x * 0.5f, window_pos.y + window_size.y * 0.5f);
if (draw_bg) if (draw_bg)
ImGui::GetBackgroundDrawList()->AddCircle(window_center, window_size.x * 0.6f, IM_COL32(255, 0, 0, 200), 32, 10+4); ImGui::GetBackgroundDrawList()->AddCircle(window_center, window_size.x * 0.6f, IM_COL32(255, 0, 0, 200), 48, 10+4);
if (draw_fg) if (draw_fg)
ImGui::GetForegroundDrawList()->AddCircle(window_center, window_size.y * 0.6f, IM_COL32(0, 255, 0, 200), 32, 10); ImGui::GetForegroundDrawList()->AddCircle(window_center, window_size.y * 0.6f, IM_COL32(0, 255, 0, 200), 48, 10);
ImGui::EndTabItem(); ImGui::EndTabItem();
} }

108
imgui_draw.cpp
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@ -860,26 +860,26 @@ void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_coun
} }
} }
void ImDrawList::PathArcToFast(const ImVec2& centre, float radius, int a_min_of_12, int a_max_of_12) void ImDrawList::PathArcToFast(const ImVec2& center, float radius, int a_min_of_12, int a_max_of_12)
{ {
if (radius == 0.0f || a_min_of_12 > a_max_of_12) if (radius == 0.0f || a_min_of_12 > a_max_of_12)
{ {
_Path.push_back(centre); _Path.push_back(center);
return; return;
} }
_Path.reserve(_Path.Size + (a_max_of_12 - a_min_of_12 + 1)); _Path.reserve(_Path.Size + (a_max_of_12 - a_min_of_12 + 1));
for (int a = a_min_of_12; a <= a_max_of_12; a++) for (int a = a_min_of_12; a <= a_max_of_12; a++)
{ {
const ImVec2& c = _Data->CircleVtx12[a % IM_ARRAYSIZE(_Data->CircleVtx12)]; const ImVec2& c = _Data->CircleVtx12[a % IM_ARRAYSIZE(_Data->CircleVtx12)];
_Path.push_back(ImVec2(centre.x + c.x * radius, centre.y + c.y * radius)); _Path.push_back(ImVec2(center.x + c.x * radius, center.y + c.y * radius));
} }
} }
void ImDrawList::PathArcTo(const ImVec2& centre, float radius, float a_min, float a_max, int num_segments) void ImDrawList::PathArcTo(const ImVec2& center, float radius, float a_min, float a_max, int num_segments)
{ {
if (radius == 0.0f) if (radius == 0.0f)
{ {
_Path.push_back(centre); _Path.push_back(center);
return; return;
} }
@ -889,7 +889,7 @@ void ImDrawList::PathArcTo(const ImVec2& centre, float radius, float a_min, floa
for (int i = 0; i <= num_segments; i++) for (int i = 0; i <= num_segments; i++)
{ {
const float a = a_min + ((float)i / (float)num_segments) * (a_max - a_min); const float a = a_min + ((float)i / (float)num_segments) * (a_max - a_min);
_Path.push_back(ImVec2(centre.x + ImCos(a) * radius, centre.y + ImSin(a) * radius)); _Path.push_back(ImVec2(center.x + ImCos(a) * radius, center.y + ImSin(a) * radius));
} }
} }
@ -968,44 +968,46 @@ void ImDrawList::PathRect(const ImVec2& a, const ImVec2& b, float rounding, ImDr
} }
} }
void ImDrawList::AddLine(const ImVec2& a, const ImVec2& b, ImU32 col, float thickness) void ImDrawList::AddLine(const ImVec2& p1, const ImVec2& p2, ImU32 col, float thickness)
{ {
if ((col & IM_COL32_A_MASK) == 0) if ((col & IM_COL32_A_MASK) == 0)
return; return;
PathLineTo(a + ImVec2(0.5f,0.5f)); PathLineTo(p1 + ImVec2(0.5f, 0.5f));
PathLineTo(b + ImVec2(0.5f,0.5f)); PathLineTo(p2 + ImVec2(0.5f, 0.5f));
PathStroke(col, false, thickness); PathStroke(col, false, thickness);
} }
// a: upper-left, b: lower-right. we don't render 1 px sized rectangles properly. // p_min = upper-left, p_max = lower-right
void ImDrawList::AddRect(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners, float thickness) // Note we don't render 1 pixels sized rectangles properly.
void ImDrawList::AddRect(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners, float thickness)
{ {
if ((col & IM_COL32_A_MASK) == 0) if ((col & IM_COL32_A_MASK) == 0)
return; return;
if (Flags & ImDrawListFlags_AntiAliasedLines) if (Flags & ImDrawListFlags_AntiAliasedLines)
PathRect(a + ImVec2(0.5f,0.5f), b - ImVec2(0.50f,0.50f), rounding, rounding_corners); PathRect(p_min + ImVec2(0.50f,0.50f), p_max - ImVec2(0.50f,0.50f), rounding, rounding_corners);
else else
PathRect(a + ImVec2(0.5f,0.5f), b - ImVec2(0.49f,0.49f), rounding, rounding_corners); // Better looking lower-right corner and rounded non-AA shapes. PathRect(p_min + ImVec2(0.50f,0.50f), p_max - ImVec2(0.49f,0.49f), rounding, rounding_corners); // Better looking lower-right corner and rounded non-AA shapes.
PathStroke(col, true, thickness); PathStroke(col, true, thickness);
} }
void ImDrawList::AddRectFilled(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners) void ImDrawList::AddRectFilled(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners)
{ {
if ((col & IM_COL32_A_MASK) == 0) if ((col & IM_COL32_A_MASK) == 0)
return; return;
if (rounding > 0.0f) if (rounding > 0.0f)
{ {
PathRect(a, b, rounding, rounding_corners); PathRect(p_min, p_max, rounding, rounding_corners);
PathFillConvex(col); PathFillConvex(col);
} }
else else
{ {
PrimReserve(6, 4); PrimReserve(6, 4);
PrimRect(a, b, col); PrimRect(p_min, p_max, col);
} }
} }
void ImDrawList::AddRectFilledMultiColor(const ImVec2& a, const ImVec2& c, ImU32 col_upr_left, ImU32 col_upr_right, ImU32 col_bot_right, ImU32 col_bot_left) // p_min = upper-left, p_max = lower-right
void ImDrawList::AddRectFilledMultiColor(const ImVec2& p_min, const ImVec2& p_max, ImU32 col_upr_left, ImU32 col_upr_right, ImU32 col_bot_right, ImU32 col_bot_left)
{ {
if (((col_upr_left | col_upr_right | col_bot_right | col_bot_left) & IM_COL32_A_MASK) == 0) if (((col_upr_left | col_upr_right | col_bot_right | col_bot_left) & IM_COL32_A_MASK) == 0)
return; return;
@ -1014,77 +1016,77 @@ void ImDrawList::AddRectFilledMultiColor(const ImVec2& a, const ImVec2& c, ImU32
PrimReserve(6, 4); PrimReserve(6, 4);
PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+1)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+2)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+1)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+2));
PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+2)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+3)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+2)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+3));
PrimWriteVtx(a, uv, col_upr_left); PrimWriteVtx(p_min, uv, col_upr_left);
PrimWriteVtx(ImVec2(c.x, a.y), uv, col_upr_right); PrimWriteVtx(ImVec2(p_max.x, p_min.y), uv, col_upr_right);
PrimWriteVtx(c, uv, col_bot_right); PrimWriteVtx(p_max, uv, col_bot_right);
PrimWriteVtx(ImVec2(a.x, c.y), uv, col_bot_left); PrimWriteVtx(ImVec2(p_min.x, p_max.y), uv, col_bot_left);
} }
void ImDrawList::AddQuad(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, ImU32 col, float thickness) void ImDrawList::AddQuad(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness)
{ {
if ((col & IM_COL32_A_MASK) == 0) if ((col & IM_COL32_A_MASK) == 0)
return; return;
PathLineTo(a); PathLineTo(p1);
PathLineTo(b); PathLineTo(p2);
PathLineTo(c); PathLineTo(p3);
PathLineTo(d); PathLineTo(p4);
PathStroke(col, true, thickness); PathStroke(col, true, thickness);
} }
void ImDrawList::AddQuadFilled(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, ImU32 col) void ImDrawList::AddQuadFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col)
{ {
if ((col & IM_COL32_A_MASK) == 0) if ((col & IM_COL32_A_MASK) == 0)
return; return;
PathLineTo(a); PathLineTo(p1);
PathLineTo(b); PathLineTo(p2);
PathLineTo(c); PathLineTo(p3);
PathLineTo(d); PathLineTo(p4);
PathFillConvex(col); PathFillConvex(col);
} }
void ImDrawList::AddTriangle(const ImVec2& a, const ImVec2& b, const ImVec2& c, ImU32 col, float thickness) void ImDrawList::AddTriangle(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness)
{ {
if ((col & IM_COL32_A_MASK) == 0) if ((col & IM_COL32_A_MASK) == 0)
return; return;
PathLineTo(a); PathLineTo(p1);
PathLineTo(b); PathLineTo(p2);
PathLineTo(c); PathLineTo(p3);
PathStroke(col, true, thickness); PathStroke(col, true, thickness);
} }
void ImDrawList::AddTriangleFilled(const ImVec2& a, const ImVec2& b, const ImVec2& c, ImU32 col) void ImDrawList::AddTriangleFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col)
{ {
if ((col & IM_COL32_A_MASK) == 0) if ((col & IM_COL32_A_MASK) == 0)
return; return;
PathLineTo(a); PathLineTo(p1);
PathLineTo(b); PathLineTo(p2);
PathLineTo(c); PathLineTo(p3);
PathFillConvex(col); PathFillConvex(col);
} }
void ImDrawList::AddCircle(const ImVec2& centre, float radius, ImU32 col, int num_segments, float thickness) void ImDrawList::AddCircle(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness)
{ {
if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2) if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2)
return; return;
// Because we are filling a closed shape we remove 1 from the count of segments/points // Because we are filling a closed shape we remove 1 from the count of segments/points
const float a_max = IM_PI*2.0f * ((float)num_segments - 1.0f) / (float)num_segments; const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments;
PathArcTo(centre, radius-0.5f, 0.0f, a_max, num_segments - 1); PathArcTo(center, radius - 0.5f, 0.0f, a_max, num_segments - 1);
PathStroke(col, true, thickness); PathStroke(col, true, thickness);
} }
void ImDrawList::AddCircleFilled(const ImVec2& centre, float radius, ImU32 col, int num_segments) void ImDrawList::AddCircleFilled(const ImVec2& center, float radius, ImU32 col, int num_segments)
{ {
if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2) if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2)
return; return;
// Because we are filling a closed shape we remove 1 from the count of segments/points // Because we are filling a closed shape we remove 1 from the count of segments/points
const float a_max = IM_PI*2.0f * ((float)num_segments - 1.0f) / (float)num_segments; const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments;
PathArcTo(centre, radius, 0.0f, a_max, num_segments - 1); PathArcTo(center, radius, 0.0f, a_max, num_segments - 1);
PathFillConvex(col); PathFillConvex(col);
} }
@ -1132,7 +1134,7 @@ void ImDrawList::AddText(const ImVec2& pos, ImU32 col, const char* text_begin, c
AddText(NULL, 0.0f, pos, col, text_begin, text_end); AddText(NULL, 0.0f, pos, col, text_begin, text_end);
} }
void ImDrawList::AddImage(ImTextureID user_texture_id, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, ImU32 col) void ImDrawList::AddImage(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col)
{ {
if ((col & IM_COL32_A_MASK) == 0) if ((col & IM_COL32_A_MASK) == 0)
return; return;
@ -1142,13 +1144,13 @@ void ImDrawList::AddImage(ImTextureID user_texture_id, const ImVec2& a, const Im
PushTextureID(user_texture_id); PushTextureID(user_texture_id);
PrimReserve(6, 4); PrimReserve(6, 4);
PrimRectUV(a, b, uv_a, uv_b, col); PrimRectUV(p_min, p_max, uv_min, uv_max, col);
if (push_texture_id) if (push_texture_id)
PopTextureID(); PopTextureID();
} }
void ImDrawList::AddImageQuad(ImTextureID user_texture_id, const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, const ImVec2& uv_a, const ImVec2& uv_b, const ImVec2& uv_c, const ImVec2& uv_d, ImU32 col) void ImDrawList::AddImageQuad(ImTextureID user_texture_id, const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, const ImVec2& uv1, const ImVec2& uv2, const ImVec2& uv3, const ImVec2& uv4, ImU32 col)
{ {
if ((col & IM_COL32_A_MASK) == 0) if ((col & IM_COL32_A_MASK) == 0)
return; return;
@ -1158,20 +1160,20 @@ void ImDrawList::AddImageQuad(ImTextureID user_texture_id, const ImVec2& a, cons
PushTextureID(user_texture_id); PushTextureID(user_texture_id);
PrimReserve(6, 4); PrimReserve(6, 4);
PrimQuadUV(a, b, c, d, uv_a, uv_b, uv_c, uv_d, col); PrimQuadUV(p1, p2, p3, p4, uv1, uv2, uv3, uv4, col);
if (push_texture_id) if (push_texture_id)
PopTextureID(); PopTextureID();
} }
void ImDrawList::AddImageRounded(ImTextureID user_texture_id, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners) void ImDrawList::AddImageRounded(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners)
{ {
if ((col & IM_COL32_A_MASK) == 0) if ((col & IM_COL32_A_MASK) == 0)
return; return;
if (rounding <= 0.0f || (rounding_corners & ImDrawCornerFlags_All) == 0) if (rounding <= 0.0f || (rounding_corners & ImDrawCornerFlags_All) == 0)
{ {
AddImage(user_texture_id, a, b, uv_a, uv_b, col); AddImage(user_texture_id, p_min, p_max, uv_min, uv_max, col);
return; return;
} }
@ -1180,10 +1182,10 @@ void ImDrawList::AddImageRounded(ImTextureID user_texture_id, const ImVec2& a, c
PushTextureID(user_texture_id); PushTextureID(user_texture_id);
int vert_start_idx = VtxBuffer.Size; int vert_start_idx = VtxBuffer.Size;
PathRect(a, b, rounding, rounding_corners); PathRect(p_min, p_max, rounding, rounding_corners);
PathFillConvex(col); PathFillConvex(col);
int vert_end_idx = VtxBuffer.Size; int vert_end_idx = VtxBuffer.Size;
ImGui::ShadeVertsLinearUV(this, vert_start_idx, vert_end_idx, a, b, uv_a, uv_b, true); ImGui::ShadeVertsLinearUV(this, vert_start_idx, vert_end_idx, p_min, p_max, uv_min, uv_max, true);
if (push_texture_id) if (push_texture_id)
PopTextureID(); PopTextureID();