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Merged
merged 4 commits into from
Jul 28, 2025
Merged

Added plotLines() and plotHistogram() #53

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f9accd7
- Added PlotLines and PlotHistogram
Logickin-Lambda Jul 28, 2025
d9c2b30
- Tested the two native plotting function
Logickin-Lambda Jul 28, 2025
7339c92
- Removed My Private Example gitignore item
Logickin-Lambda Jul 28, 2025
08cb42e
- Renamed PlotNative with PlotArgs
Logickin-Lambda Jul 28, 2025
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3 changes: 3 additions & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -4,3 +4,6 @@ zig-out

# Ignore some special OS files
*.DS_Store

# Ignore local example builds
example/*
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Please revert this

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Sure, seems I have missed that out when I was testing the library.

60 changes: 60 additions & 0 deletions src/gui.zig
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Expand Up @@ -1828,6 +1828,66 @@ pub const textLink = zguiTextLink;

extern fn zguiTextLinkOpenURL(label: [*:0]const u8, url: ?[*:0]const u8) void;
pub const textLinkOpenURL = zguiTextLinkOpenURL;
//--------------------------------------------------------------------------------------------------
const PlotNative = struct {
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[nitpick] The struct name 'PlotNative' is ambiguous and doesn't clearly indicate its purpose. Consider renaming it to 'PlotArgs' or 'PlotOptions' to better reflect that it contains plotting parameters.

Suggested change
const PlotNative = struct {
const PlotArgs = struct {

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The bot is right. Let's use PlotArgs here for consistency.

v: [*]f32,
v_count: c_int,
v_offset: c_int = 0,
overlay: ?[:0]const u8 = null,
scale_min: f32 = f32_max,
scale_max: f32 = f32_max,
graph_size: [2]f32 = .{ 0, 0 },
stride: c_int = @sizeOf(f32),
};
pub fn plotLines(label: [*:0]const u8, args: PlotNative) void {
zguiPlotLines(
label,
args.v,
args.v_count,
args.v_offset,
if (args.overlay) |o| o else null,
args.scale_min,
args.scale_max,
&args.graph_size,
args.stride,
);
}
extern fn zguiPlotLines(
label: [*:0]const u8,
v: [*]f32,
v_count: c_int,
v_offset: c_int,
overlay: ?[*:0]const u8,
scale_min: f32,
scale_max: f32,
graph_size: *const [2]f32,
stride: c_int,
) void;

pub fn plotHistogram(label: [*:0]const u8, args: PlotNative) void {
zguiPlotHistogram(
label,
args.v,
args.v_count,
args.v_offset,
if (args.overlay) |o| o else null,
args.scale_min,
args.scale_max,
&args.graph_size,
args.stride,
);
}
extern fn zguiPlotHistogram(
label: [*:0]const u8,
v: [*]f32,
v_count: c_int,
v_offset: c_int,
overlay: ?[*:0]const u8,
scale_min: f32,
scale_max: f32,
graph_size: *const [2]f32,
stride: c_int,
) void;

//--------------------------------------------------------------------------------------------------
//
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30 changes: 30 additions & 0 deletions src/zgui.cpp
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Expand Up @@ -1977,6 +1977,36 @@ extern "C"
{
ImGui::CloseCurrentPopup();
}

ZGUI_API void zguiPlotLines(
const char* label,
const float* values,
int values_count,
int values_offset,
const char* overlay_text,
float scale_min,
float scale_max,
float graph_size[2],
int stride)
{
ImGui::PlotLines(label, values, values_count, values_offset, overlay_text, scale_min, scale_max, ImVec2(graph_size[0], graph_size[1]), stride);
}


ZGUI_API void zguiPlotHistogram(
const char* label,
const float* values,
int values_count,
int values_offset,
const char* overlay_text,
float scale_min,
float scale_max,
float graph_size[2],
int stride)
{
ImGui::PlotHistogram(label, values, values_count, values_offset, overlay_text, scale_min, scale_max, ImVec2(graph_size[0], graph_size[1]), stride);
}

//--------------------------------------------------------------------------------------------------
//
// Tables
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