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ColorEdit4: Preliminary support for ImGuiColorEditFlags_HDR flag (currently only lift limits). (#346)

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This commit is contained in:
omar
2017-07-30 23:08:43 +08:00
parent f6a89779c8
commit 3075d8bcd4
3 changed files with 29 additions and 25 deletions
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11
imgui.cpp
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@ -9148,6 +9148,7 @@ bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flag
const char* label_display_end = FindRenderedTextEnd(label);
const bool alpha = (flags & ImGuiColorEditFlags_NoAlpha) == 0;
const bool hdr = (flags & ImGuiColorEditFlags_HDR) != 0;
const int components = alpha ? 4 : 3;
// If we're not showing any slider there's no point in querying color mode, nor showing the options menu, nor doing any HSV conversions
@ -9205,9 +9206,9 @@ bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flag
if (n + 1 == components)
PushItemWidth(w_item_last);
if (flags & ImGuiColorEditFlags_Float)
value_changed |= value_changed_as_float |= DragFloat(ids[n], &f[n], 1.0f/255.0f, 0.0f, 1.0f, fmt_table_float[fmt_idx][n]);
value_changed |= value_changed_as_float |= DragFloat(ids[n], &f[n], 1.0f/255.0f, 0.0f, hdr ? 0.0f : 1.0f, fmt_table_float[fmt_idx][n]);
else
value_changed |= DragInt(ids[n], &i[n], 1.0f, 0, 255, fmt_table_int[fmt_idx][n]);
value_changed |= DragInt(ids[n], &i[n], 1.0f, 0, hdr ? 0 : 255, fmt_table_int[fmt_idx][n]);
if (!(flags & ImGuiColorEditFlags_NoOptions) && IsItemHovered() && IsMouseClicked(1))
OpenPopup("context");
}
@ -9269,7 +9270,7 @@ bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flag
Separator();
}
float square_sz = ColorSquareSize();
ImGuiColorEditFlags picker_flags_to_forward = ImGuiColorEditFlags_Float | ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_AlphaBar;// | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf;
ImGuiColorEditFlags picker_flags_to_forward = ImGuiColorEditFlags_Float | ImGuiColorEditFlags_HDR | ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_AlphaBar;// | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf;
ImGuiColorEditFlags picker_flags = (flags & picker_flags_to_forward) | (ImGuiColorEditFlags_RGB | ImGuiColorEditFlags_HSV | ImGuiColorEditFlags_HEX) | ImGuiColorEditFlags_NoLabel | ImGuiColorEditFlags_AlphaPreviewHalf;
PushItemWidth(square_sz * 12.0f); // Use 256 + bar sizes?
value_changed |= ColorPicker4("##picker", col, picker_flags, &g.ColorPickerRef.x);
@ -9436,12 +9437,12 @@ bool ImGui::ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags fl
float square_sz = ColorSquareSize();
if ((flags & ImGuiColorEditFlags_NoLabel))
Text("Current");
ColorButton("##current", col_v4, (flags & (ImGuiColorEditFlags_AlphaPreview|ImGuiColorEditFlags_AlphaPreviewHalf|ImGuiColorEditFlags_NoTooltip)), ImVec2(square_sz * 3, square_sz * 2));
ColorButton("##current", col_v4, (flags & (ImGuiColorEditFlags_HDR|ImGuiColorEditFlags_AlphaPreview|ImGuiColorEditFlags_AlphaPreviewHalf|ImGuiColorEditFlags_NoTooltip)), ImVec2(square_sz * 3, square_sz * 2));
if (ref_col != NULL)
{
Text("Original");
ImVec4 ref_col_v4(ref_col[0], ref_col[1], ref_col[2], (flags & ImGuiColorEditFlags_NoAlpha) ? 1.0f : ref_col[3]);
if (ColorButton("##original", ref_col_v4, (flags & (ImGuiColorEditFlags_AlphaPreview|ImGuiColorEditFlags_AlphaPreviewHalf|ImGuiColorEditFlags_NoTooltip)), ImVec2(square_sz * 3, square_sz * 2)))
if (ColorButton("##original", ref_col_v4, (flags & (ImGuiColorEditFlags_HDR|ImGuiColorEditFlags_AlphaPreview|ImGuiColorEditFlags_AlphaPreviewHalf|ImGuiColorEditFlags_NoTooltip)), ImVec2(square_sz * 3, square_sz * 2)))
{
memcpy(col, ref_col, ((flags & ImGuiColorEditFlags_NoAlpha) ? 3 : 4) * sizeof(float));
value_changed = true;