ToxicMushroom/Dalamud
1
0
Fork 0
mirror of https://github.com/goatcorp/Dalamud.git synced 2025-12-12 18:27:23 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 3

feat: add ImGuiExtensions(AddTextClippedEx, AddText with fine clip rect)

Browse source
This commit is contained in:
goaaats 2022-05-28 17:36:03 +02:00
parent 6c877723ce
commit 3abd4b2717
No known key found for this signature in database
GPG key ID: 49E2AA8C6A76498B
1 changed files with 66 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

66
Dalamud/Interface/ImGuiExtensions.cs Normal file
View file

@ -0,0 +1,66 @@
using System;
using System.Numerics;
using System.Text;
using ImGuiNET;
namespace Dalamud.Interface;
public static class ImGuiExtensions
{
public static void AddTextClippedEx(
this ImDrawListPtr drawListPtr, Vector2 posMin, Vector2 posMax, string text, Vector2? textSizeIfKnown,
Vector2 align, Vector4? clipRect)
{
var pos = posMin;
var textSize = textSizeIfKnown ?? ImGui.CalcTextSize(text, false, 0);
var clipMin = clipRect.HasValue ? new Vector2(clipRect.Value.X, clipRect.Value.Y) : posMin;
var clipMax = clipRect.HasValue ? new Vector2(clipRect.Value.Z, clipRect.Value.W) : posMax;
var needClipping = (pos.X + textSize.X >= clipMax.X) || (pos.Y + textSize.Y >= clipMax.Y);
if (clipRect.HasValue)
needClipping |= (pos.X < clipMin.X) || (pos.Y < clipMin.Y);
if (align.X > 0)
{
pos.X = Math.Max(pos.X, pos.X + ((posMax.X - pos.X - textSize.X) * align.X));
}
if (align.Y > 0)
{
pos.Y = Math.Max(pos.Y, pos.Y + ((posMax.Y - pos.Y - textSize.Y) * align.Y));
}
if (needClipping)
{
var fineClipRect = new Vector4(clipMin.X, clipMin.Y, clipMax.X, clipMax.Y);
drawListPtr.AddText(ImGui.GetFont(), ImGui.GetFontSize(), pos, ImGui.GetColorU32(ImGuiCol.Text), text, ref fineClipRect);
}
else
{
drawListPtr.AddText(ImGui.GetFont(), ImGui.GetFontSize(), pos, ImGui.GetColorU32(ImGuiCol.Text), text);
}
}
// TODO: This should go into ImDrawList.Manual.cs in ImGui.NET...
public static unsafe void AddText(this ImDrawListPtr drawListPtr, ImFontPtr font, float fontSize, Vector2 pos, uint col, string textBegin, ref Vector4 cpuFineClipRect)
{
var nativeFont = font.NativePtr;
var textBeginByteCount = Encoding.UTF8.GetByteCount(textBegin);
var nativeTextBegin = stackalloc byte[textBeginByteCount + 1];
fixed (char* textBeginPtr = textBegin)
{
var nativeTextBeginOffset = Encoding.UTF8.GetBytes(textBeginPtr, textBegin.Length, nativeTextBegin, textBeginByteCount);
nativeTextBegin[nativeTextBeginOffset] = 0;
}
byte* nativeTextEnd = null;
var wrapWidth = 0.0f;
fixed (Vector4* nativeCpuFineClipRect = &cpuFineClipRect)
{
ImGuiNative.ImDrawList_AddText_FontPtr(drawListPtr.NativePtr, nativeFont, fontSize, pos, col, nativeTextBegin, nativeTextEnd, wrapWidth, nativeCpuFineClipRect);
}
}
}