public override bool Draw()
{
ImGui.Text("Zoom: ");
ImGui.SameLine();
ImGui.SliderFloat("", ref zoom, 10, 800, "%.0f%%", 1);
ImGui.SameLine();
ImGui.Checkbox("Checkerboard", ref checkerboard);
ImGui.Separator();
var w = ImGui.GetContentRegionAvailableWidth();
zoom = (int)zoom;
var scale = zoom / 100;
var sz = new Vector2(tex.Width, tex.Height) * scale;
ImGuiNative.igSetNextWindowContentSize(new Vector2(sz.X, 0));
ImGui.BeginChild("##scroll", false, WindowFlags.HorizontalScrollbar);
var pos = ImGui.GetCursorScreenPos();
var windowH = ImGui.GetWindowHeight();
var windowW = ImGui.GetWindowWidth();
if (checkerboard)
{
unsafe
{
var lst = ImGuiNative.igGetWindowDrawList();
ImGuiNative.ImDrawList_AddImage(lst, (void *)ImGuiHelper.CheckerboardId,
pos, new Vector2(pos.X + windowW, pos.Y + windowH),
new Vector2(0, 0),
new Vector2(windowW / 16, windowH / 16),
uint.MaxValue);
}
}
if (sz.Y < windowH) //Centre
{
ImGui.Dummy(5, (windowH / 2) - (sz.Y / 2));
}
if (sz.X < w)
{
ImGui.Dummy((w / 2) - (sz.X / 2), 5);
ImGui.SameLine();
}
ImGui.Image((IntPtr)tid, sz, Vector2.Zero, new Vector2(1, 1),
new Vector4(1, 1, 1, 1), new Vector4(0, 0, 0, 0));
ImGui.EndChild();
return(open);
}
public override void Draw()
{
ImGui.Text("Zoom: ");
ImGui.SameLine();
ImGui.PushItemWidth(120);
ImGui.SliderFloat("", ref zoom, 10, 800, "%.0f%%", 1);
ImGui.PopItemWidth();
ImGui.SameLine();
if (anim != null)
{
ImGui.PushItemWidth(80);
ImGui.InputInt("Frame Number", ref frame, 1, 1);
if (frame <= 0)
{
frame = 0;
}
if (frame >= anim.FrameCount)
{
frame = anim.FrameCount - 1;
}
ImGui.PopItemWidth();
ImGui.SameLine();
}
ImGui.Checkbox("Checkerboard", ref checkerboard);
ImGui.SameLine();
bool doOpen = ImGui.Button("Info");
if (doOpen)
{
ImGui.OpenPopup("Info##" + Unique);
}
ImGui.Separator();
var w = ImGui.GetWindowContentRegionWidth();
zoom = (int)zoom;
var scale = zoom / 100;
var sz = new Vector2(tex.Width, tex.Height) * scale;
ImGuiNative.igSetNextWindowContentSize(new Vector2(sz.X, 0));
bool isOpen = true;
if (ImGui.BeginPopupModal("Info##" + Unique, ref isOpen, ImGuiWindowFlags.AlwaysAutoResize))
{
ImGui.Text("Format: " + tex.Format);
ImGui.Text("Width: " + tex.Width);
ImGui.Text("Height: " + tex.Height);
ImGui.Text("Mipmaps: " + ((tex.LevelCount > 1) ? "Yes" : "No"));
ImGui.EndPopup();
}
ImGui.BeginChild("##scroll", new Vector2(-1), false, ImGuiWindowFlags.HorizontalScrollbar);
var pos = ImGui.GetCursorScreenPos();
var windowH = ImGui.GetWindowHeight();
var windowW = ImGui.GetWindowWidth();
var cbX = Math.Max(windowW, sz.X);
var cbY = Math.Max(windowH, sz.Y);
if (checkerboard)
{
unsafe
{
var lst = ImGuiNative.igGetWindowDrawList();
ImGuiNative.ImDrawList_AddImage(lst, (IntPtr)ImGuiHelper.CheckerboardId,
pos, new Vector2(pos.X + cbX, pos.Y + cbY),
new Vector2(0, 0),
new Vector2(cbX / 16, cbY / 16),
uint.MaxValue);
}
}
if (sz.Y < windowH) //Centre
{
ImGui.Dummy(new Vector2(5, (windowH / 2) - (sz.Y / 2)));
}
if (sz.X < w)
{
ImGui.Dummy(new Vector2((w / 2) - (sz.X / 2), 5));
ImGui.SameLine();
}
var tl = new Vector2(0, 1);
var br = new Vector2(1, 0);
if (anim != null)
{
var f = anim.Frames[frame];
tl = new Vector2(f.UV1.X, 1 - f.UV1.Y);
br = new Vector2(f.UV2.X, 1 - f.UV2.Y);
}
ImGui.Image((IntPtr)tid, sz, tl, br,
Vector4.One, Vector4.Zero);
ImGui.EndChild();
}
public static unsafe void AddDrawListImage(ImDrawList *list, Texture texture, Vector2 a, Vector2 b, Vector2 uv_a, Vector2 uv_b, uint col)
{
AddTexture(texture);
ImGuiNative.ImDrawList_AddImage(list, texture.GetNativeTexturePtr(), a, b, uv_a, uv_b, col);
}