ImageButton(): clarify purpose of size. (#6901, #5533, #4471, #2464, #1390).
Amend 4a2ae06ca
diff --git a/imgui.h b/imgui.h
index ffef726..44dd12c 100644
--- a/imgui.h
+++ b/imgui.h
@@ -520,8 +520,9 @@
// Widgets: Images
// - Read about ImTextureID here: https://github.com/ocornut/imgui/wiki/Image-Loading-and-Displaying-Examples
+ // - Note that ImageButton() adds style.FramePadding*2.0f to provided size. This is in order to facilitate fitting an image in a button.
IMGUI_API void Image(ImTextureID user_texture_id, const ImVec2& size, const ImVec2& uv0 = ImVec2(0, 0), const ImVec2& uv1 = ImVec2(1, 1), const ImVec4& tint_col = ImVec4(1, 1, 1, 1), const ImVec4& border_col = ImVec4(0, 0, 0, 0));
- IMGUI_API bool ImageButton(const char* str_id, ImTextureID user_texture_id, const ImVec2& size, const ImVec2& uv0 = ImVec2(0, 0), const ImVec2& uv1 = ImVec2(1, 1), const ImVec4& bg_col = ImVec4(0, 0, 0, 0), const ImVec4& tint_col = ImVec4(1, 1, 1, 1));
+ IMGUI_API bool ImageButton(const char* str_id, ImTextureID user_texture_id, const ImVec2& image_size, const ImVec2& uv0 = ImVec2(0, 0), const ImVec2& uv1 = ImVec2(1, 1), const ImVec4& bg_col = ImVec4(0, 0, 0, 0), const ImVec4& tint_col = ImVec4(1, 1, 1, 1));
// Widgets: Combo Box (Dropdown)
// - The BeginCombo()/EndCombo() api allows you to manage your contents and selection state however you want it, by creating e.g. Selectable() items.
diff --git a/imgui_internal.h b/imgui_internal.h
index f7eb5db..b9efac2 100644
--- a/imgui_internal.h
+++ b/imgui_internal.h
@@ -3273,7 +3273,7 @@
IMGUI_API void TextEx(const char* text, const char* text_end = NULL, ImGuiTextFlags flags = 0);
IMGUI_API bool ButtonEx(const char* label, const ImVec2& size_arg = ImVec2(0, 0), ImGuiButtonFlags flags = 0);
IMGUI_API bool ArrowButtonEx(const char* str_id, ImGuiDir dir, ImVec2 size_arg, ImGuiButtonFlags flags = 0);
- IMGUI_API bool ImageButtonEx(ImGuiID id, ImTextureID texture_id, const ImVec2& size, const ImVec2& uv0, const ImVec2& uv1, const ImVec4& bg_col, const ImVec4& tint_col, ImGuiButtonFlags flags = 0);
+ IMGUI_API bool ImageButtonEx(ImGuiID id, ImTextureID texture_id, const ImVec2& image_size, const ImVec2& uv0, const ImVec2& uv1, const ImVec4& bg_col, const ImVec4& tint_col, ImGuiButtonFlags flags = 0);
IMGUI_API void SeparatorEx(ImGuiSeparatorFlags flags, float thickness = 1.0f);
IMGUI_API void SeparatorTextEx(ImGuiID id, const char* label, const char* label_end, float extra_width);
IMGUI_API bool CheckboxFlags(const char* label, ImS64* flags, ImS64 flags_value);
diff --git a/imgui_widgets.cpp b/imgui_widgets.cpp
index 0481dc3..1d64b31 100644
--- a/imgui_widgets.cpp
+++ b/imgui_widgets.cpp
@@ -1033,7 +1033,7 @@
// ImageButton() is flawed as 'id' is always derived from 'texture_id' (see #2464 #1390)
// We provide this internal helper to write your own variant while we figure out how to redesign the public ImageButton() API.
-bool ImGui::ImageButtonEx(ImGuiID id, ImTextureID texture_id, const ImVec2& size, const ImVec2& uv0, const ImVec2& uv1, const ImVec4& bg_col, const ImVec4& tint_col, ImGuiButtonFlags flags)
+bool ImGui::ImageButtonEx(ImGuiID id, ImTextureID texture_id, const ImVec2& image_size, const ImVec2& uv0, const ImVec2& uv1, const ImVec4& bg_col, const ImVec4& tint_col, ImGuiButtonFlags flags)
{
ImGuiContext& g = *GImGui;
ImGuiWindow* window = GetCurrentWindow();
@@ -1041,7 +1041,7 @@
return false;
const ImVec2 padding = g.Style.FramePadding;
- const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + size + padding * 2.0f);
+ const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + image_size + padding * 2.0f);
ItemSize(bb);
if (!ItemAdd(bb, id))
return false;
@@ -1060,14 +1060,15 @@
return pressed;
}
-bool ImGui::ImageButton(const char* str_id, ImTextureID user_texture_id, const ImVec2& size, const ImVec2& uv0, const ImVec2& uv1, const ImVec4& bg_col, const ImVec4& tint_col)
+// Note that ImageButton() adds style.FramePadding*2.0f to provided size. This is in order to facilitate fitting an image in a button.
+bool ImGui::ImageButton(const char* str_id, ImTextureID user_texture_id, const ImVec2& image_size, const ImVec2& uv0, const ImVec2& uv1, const ImVec4& bg_col, const ImVec4& tint_col)
{
ImGuiContext& g = *GImGui;
ImGuiWindow* window = g.CurrentWindow;
if (window->SkipItems)
return false;
- return ImageButtonEx(window->GetID(str_id), user_texture_id, size, uv0, uv1, bg_col, tint_col);
+ return ImageButtonEx(window->GetID(str_id), user_texture_id, image_size, uv0, uv1, bg_col, tint_col);
}
#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
