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ColorEdit, ColorPicker: AlphaPreview, AlphaPreviewHalf are explicit. Updated demo and using in style editor. 3x3 checkerboard more readable in half mode. (#346)
This commit is contained in:
17
imgui.cpp
17
imgui.cpp
@ -9005,7 +9005,7 @@ void ImGui::ColorTooltip(const char* text, const float col[4], ImGuiColorEditFla
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{
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ImGuiContext& g = *GImGui;
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int cr = IM_F32_TO_INT8_SAT(col[0]), cg = IM_F32_TO_INT8_SAT(col[1]), cb = IM_F32_TO_INT8_SAT(col[2]), ca = (flags & (ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_NoAlphaPreview)) ? 255 : IM_F32_TO_INT8_SAT(col[3]);
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int cr = IM_F32_TO_INT8_SAT(col[0]), cg = IM_F32_TO_INT8_SAT(col[1]), cb = IM_F32_TO_INT8_SAT(col[2]), ca = (flags & ImGuiColorEditFlags_NoAlpha) ? 255 : IM_F32_TO_INT8_SAT(col[3]);
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BeginTooltipEx(true);
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const char* text_end = text ? FindRenderedTextEnd(text, NULL) : text;
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@ -9016,7 +9016,7 @@ void ImGui::ColorTooltip(const char* text, const float col[4], ImGuiColorEditFla
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}
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ImVec2 sz(g.FontSize * 3, g.FontSize * 3);
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ColorButton("##preview", ImVec4(col[0], col[1], col[2], col[3]), (flags & (ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_HalfAlphaPreview)) | ImGuiColorEditFlags_NoTooltip, sz);
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ColorButton("##preview", ImVec4(col[0], col[1], col[2], col[3]), (flags & (ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf)) | ImGuiColorEditFlags_NoTooltip, sz);
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SameLine();
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if (flags & ImGuiColorEditFlags_NoAlpha)
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Text("#%02X%02X%02X\nR: %d, G: %d, B: %d\n(%.3f, %.3f, %.3f)", cr, cg, cb, cr, cg, cb, col[0], col[1], col[2]);
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@ -9068,7 +9068,7 @@ void ImGui::RenderColorRectWithAlphaCheckerboard(ImVec2 p_min, ImVec2 p_max, ImU
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rounding_corners_flags_cell &= rounding_corners_flags;
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window->DrawList->AddRectFilled(ImVec2(x1,y1), ImVec2(x2,y2), col_bg2, rounding_corners_flags_cell ? rounding : 0.0f, rounding_corners_flags_cell);
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}
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}
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}
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}
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else
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{
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@ -9099,11 +9099,14 @@ bool ImGui::ColorButton(const char* desc_id, const ImVec4& col, ImGuiColorEditFl
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bool hovered, held;
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bool pressed = ButtonBehavior(bb, id, &hovered, &held);
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if (flags & ImGuiColorEditFlags_NoAlpha)
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flags &= ~(ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf);
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ImVec4 col_without_alpha(col.x, col.y, col.z, 1.0f);
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float grid_step = ImMin(size.x, size.y) / 2.0f;
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float grid_step = ImMin(size.x, size.y) / 2.99f;
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float rounding = ImMin(g.Style.FrameRounding, grid_step * 0.5f);
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if ((flags & ImGuiColorEditFlags_HalfAlphaPreview) && (flags & (ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_NoAlphaPreview)) == 0 && col.w < 1.0f)
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if ((flags & ImGuiColorEditFlags_AlphaPreviewHalf) && col.w < 1.0f)
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{
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float mid_x = (float)(int)((bb.Min.x + bb.Max.x) * 0.5f + 0.5f);
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RenderColorRectWithAlphaCheckerboard(ImVec2(bb.Min.x + grid_step, bb.Min.y), bb.Max, GetColorU32(col), grid_step, ImVec2(-grid_step, 0.0f), rounding, ImGuiCorner_TopRight|ImGuiCorner_BottomRight);
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@ -9111,12 +9114,12 @@ bool ImGui::ColorButton(const char* desc_id, const ImVec4& col, ImGuiColorEditFl
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}
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else
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{
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RenderColorRectWithAlphaCheckerboard(bb.Min, bb.Max, GetColorU32((flags & (ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_NoAlphaPreview)) ? col_without_alpha : col), grid_step, ImVec2(0,0), rounding);
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RenderColorRectWithAlphaCheckerboard(bb.Min, bb.Max, GetColorU32((flags & ImGuiColorEditFlags_AlphaPreview) ? col : col_without_alpha), grid_step, ImVec2(0,0), rounding);
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}
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RenderFrameBorder(bb.Min, bb.Max, rounding);
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if (hovered && !(flags & ImGuiColorEditFlags_NoTooltip))
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ColorTooltip(desc_id, &col.x, flags & (ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_NoAlphaPreview | ImGuiColorEditFlags_HalfAlphaPreview));
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ColorTooltip(desc_id, &col.x, flags & (ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf));
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return pressed;
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}
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