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ColorEdit, ColorPicker: (Breaking) redesigned how alpha is displayed in the preview square. (#8335, #1578, #346)

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Added ImGuiColorEditFlags_AlphaOpaque, ImGuiColorEditFlags_AlphaNoBg.
Removed ImGuiColorEditFlags_AlphaPreview.
This commit is contained in:
ocornut
2025-01-22 12:12:07 +01:00
parent fdca6c08ad
commit 6906ac979e
5 changed files with 43 additions and 17 deletions
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imgui.h
+13 -3
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@@ -29,7 +29,7 @@
// Library Version
// (Integer encoded as XYYZZ for use in #if preprocessor conditionals, e.g. '#if IMGUI_VERSION_NUM >= 12345')
#define IMGUI_VERSION "1.91.8 WIP"
#define IMGUI_VERSION_NUM 19172
#define IMGUI_VERSION_NUM 19173
#define IMGUI_HAS_TABLE
/*
@@ -1753,8 +1753,14 @@ enum ImGuiColorEditFlags_
ImGuiColorEditFlags_NoSidePreview = 1 << 8, // // ColorPicker: disable bigger color preview on right side of the picker, use small color square preview instead.
ImGuiColorEditFlags_NoDragDrop = 1 << 9, // // ColorEdit: disable drag and drop target. ColorButton: disable drag and drop source.
ImGuiColorEditFlags_NoBorder = 1 << 10, // // ColorButton: disable border (which is enforced by default)
ImGuiColorEditFlags_AlphaPreview = 1 << 11, // // ColorEdit, ColorPicker, ColorButton: display preview as a transparent color over a checkerboard, instead of opaque.
ImGuiColorEditFlags_AlphaPreviewHalf= 1 << 12, // // ColorEdit, ColorPicker, ColorButton: display half opaque / half checkerboard, instead of opaque.
// Alpha preview
// - Prior to 1.91.8 (2025/01/21): alpha was made opaque in the preview by default using old name ImGuiColorEditFlags_AlphaPreview.
// - We now display the preview as transparent by default. You can use ImGuiColorEditFlags_AlphaOpaque to use old behavior.
// - The new flags may be combined better and allow finer controls.
ImGuiColorEditFlags_AlphaOpaque = 1 << 11, // // ColorEdit, ColorPicker, ColorButton: disable alpha in the preview,. Contrary to _NoAlpha it may still be edited when calling ColorEdit4()/ColorPicker4(). For ColorButton() this does the same as _NoAlpha.
ImGuiColorEditFlags_AlphaNoBg = 1 << 12, // // ColorEdit, ColorPicker, ColorButton: disable rendering a checkerboard background behind transparent color.
ImGuiColorEditFlags_AlphaPreviewHalf= 1 << 13, // // ColorEdit, ColorPicker, ColorButton: display half opaque / half transparent preview.
// User Options (right-click on widget to change some of them).
ImGuiColorEditFlags_AlphaBar = 1 << 16, // // ColorEdit, ColorPicker: show vertical alpha bar/gradient in picker.
@@ -1774,12 +1780,16 @@ enum ImGuiColorEditFlags_
ImGuiColorEditFlags_DefaultOptions_ = ImGuiColorEditFlags_Uint8 | ImGuiColorEditFlags_DisplayRGB | ImGuiColorEditFlags_InputRGB | ImGuiColorEditFlags_PickerHueBar,
// [Internal] Masks
ImGuiColorEditFlags_AlphaMask_ = ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_AlphaOpaque | ImGuiColorEditFlags_AlphaNoBg | ImGuiColorEditFlags_AlphaPreviewHalf,
ImGuiColorEditFlags_DisplayMask_ = ImGuiColorEditFlags_DisplayRGB | ImGuiColorEditFlags_DisplayHSV | ImGuiColorEditFlags_DisplayHex,
ImGuiColorEditFlags_DataTypeMask_ = ImGuiColorEditFlags_Uint8 | ImGuiColorEditFlags_Float,
ImGuiColorEditFlags_PickerMask_ = ImGuiColorEditFlags_PickerHueWheel | ImGuiColorEditFlags_PickerHueBar,
ImGuiColorEditFlags_InputMask_ = ImGuiColorEditFlags_InputRGB | ImGuiColorEditFlags_InputHSV,
// Obsolete names
#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
ImGuiColorEditFlags_AlphaPreview = 0, // [Removed in 1.91.8] This is the default now. Will display a checkerboard unless ImGuiColorEditFlags_AlphaNoBg is set.
#endif
//ImGuiColorEditFlags_RGB = ImGuiColorEditFlags_DisplayRGB, ImGuiColorEditFlags_HSV = ImGuiColorEditFlags_DisplayHSV, ImGuiColorEditFlags_HEX = ImGuiColorEditFlags_DisplayHex // [renamed in 1.69]
};