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AddBezier()->AddBezierCurve(). PathBezierTo()->PathBezierCurveTo(), and reads current point back, more standard (#311)

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ocornut 2015-08-28 13:48:14 +01:00
parent d2e529e533
commit 90e5c97f13
2 changed files with 14 additions and 4 deletions
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4
imgui.h
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@ -1101,7 +1101,7 @@ struct ImDrawList
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);
IMGUI_API void AddPolyline(const ImVec2* points, const int num_points, ImU32 col, bool closed, float thickness, bool anti_aliased); IMGUI_API void AddPolyline(const ImVec2* points, const int num_points, ImU32 col, bool closed, float thickness, bool anti_aliased);
IMGUI_API void AddConvexPolyFilled(const ImVec2* points, const int num_points, ImU32 col, bool anti_aliased); IMGUI_API void AddConvexPolyFilled(const ImVec2* points, const int num_points, ImU32 col, bool anti_aliased);
inline void AddBezier(const ImVec2& pos0, const ImVec2& cp0, const ImVec2& cp1, const ImVec2& pos1, ImU32 col, float thickness, int num_segments = 0) { PathBezierTo(pos0, cp0, cp1, pos1, num_segments); PathStroke(col, false, thickness); } IMGUI_API void AddBezierCurve(const ImVec2& pos0, const ImVec2& cp0, const ImVec2& cp1, const ImVec2& pos1, ImU32 col, float thickness, int num_segments = 0);
// Stateful path API, add points then finish with PathFill() or PathStroke() // Stateful path API, add points then finish with PathFill() or PathStroke()
inline void PathClear() { _Path.resize(0); } inline void PathClear() { _Path.resize(0); }
@ -1111,7 +1111,7 @@ struct ImDrawList
inline void PathStroke(ImU32 col, bool closed, float thickness = 1.0f) { AddPolyline(_Path.Data, _Path.Size, col, closed, thickness, true); PathClear(); } inline void PathStroke(ImU32 col, bool closed, float thickness = 1.0f) { AddPolyline(_Path.Data, _Path.Size, col, closed, thickness, true); PathClear(); }
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& centre, 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& centre, float radius, int a_min_of_12, int a_max_of_12); // Use precomputed angles for a 12 steps circle
IMGUI_API void PathBezierTo(const ImVec2& p0, 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, int rounding_corners = 0x0F); IMGUI_API void PathRect(const ImVec2& rect_min, const ImVec2& rect_max, float rounding = 0.0f, int rounding_corners = 0x0F);
// Channels // Channels

14
imgui_draw.cpp
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@ -665,9 +665,9 @@ static void PathBezierToCasteljau(ImVector<ImVec2>* path, float x1, float y1, fl
} }
} }
void ImDrawList::PathBezierTo(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, int num_segments) void ImDrawList::PathBezierCurveTo(const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, int num_segments)
{ {
PathLineToMergeDuplicate(p1); ImVec2 p1 = _Path.back();
if (num_segments == 0) if (num_segments == 0)
{ {
// Auto-tessellated // Auto-tessellated
@ -793,6 +793,16 @@ void ImDrawList::AddCircleFilled(const ImVec2& centre, float radius, ImU32 col,
PathFill(col); PathFill(col);
} }
void ImDrawList::AddBezierCurve(const ImVec2& pos0, const ImVec2& cp0, const ImVec2& cp1, const ImVec2& pos1, ImU32 col, float thickness, int num_segments)
{
if ((col >> 24) == 0)
return;
PathLineTo(pos0);
PathBezierCurveTo(cp0, cp1, pos1, num_segments);
PathStroke(col, false, thickness);
}
void ImDrawList::AddText(const ImFont* font, float font_size, const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end, float wrap_width, const ImVec4* cpu_fine_clip_rect) void ImDrawList::AddText(const ImFont* font, float font_size, const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end, float wrap_width, const ImVec4* cpu_fine_clip_rect)
{ {
if ((col >> 24) == 0) if ((col >> 24) == 0)