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Implementation of REveText, addition of GL overlay support (prototype).
Contains contributions from Waad, Alja and Matevz. Squashed to avoid adding of extra files in the repo (some committed by mistake) and to avoid 32 commits. * Waad: initial implementation & tuning. * Alja: integration with REve. * Matevz: final cleanup, loading of fonts & font metrics. Full set of commits available in https://github.com/alja/root/tree/waa-master-2024 Related PR in RenderCore: UL-FRI-LGM/RenderCore#20 Demo: tutorials/eve7/texts.C
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| Original file line number | Diff line number | Diff line change |
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| // @(#)root/eve7:$Id$ | ||
| // Author: Waad Alshehri, 2023 | ||
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| /************************************************************************* | ||
| * Copyright (C) 1995-2019, Rene Brun and Fons Rademakers. * | ||
| * All rights reserved. * | ||
| * * | ||
| * For the licensing terms see $ROOTSYS/LICENSE. * | ||
| * For the list of contributors see $ROOTSYS/README/CREDITS. * | ||
| *************************************************************************/ | ||
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| #ifndef ROOT7_REveText | ||
| #define ROOT7_REveText | ||
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| #include <ROOT/REveShape.hxx> | ||
| #include <ROOT/REveVector.hxx> | ||
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| namespace ROOT { | ||
| namespace Experimental { | ||
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| //------------------------------------------------------------------------------ | ||
| // REveText | ||
| //------------------------------------------------------------------------------ | ||
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| class REveText : public REveShape | ||
| { | ||
| private: | ||
| REveText(const REveText &) = delete; | ||
| REveText &operator=(const REveText &) = delete; | ||
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| protected: | ||
| std::string fText {"<no-text>"}; | ||
| std::string fFont {"LiberationSans-Regular"}; | ||
| REveVector fPosition {0, 0, 0}; | ||
| Float_t fFontSize {80}; | ||
| Float_t fFontHinting {1.0}; | ||
| Float_t fExtraBorder {0.2}; // border around text in font-size units | ||
| Int_t fMode {1}; // default mode is in relative screen coordinates [0,1] | ||
| Color_t fTextColor {kMagenta}; | ||
| // UChar_t fTextAlpha {255}; // Better than main transparency -- to be fixed. | ||
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| public: | ||
| REveText(const Text_t *n = "REveText", const Text_t *t = ""); | ||
| virtual ~REveText() {} | ||
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| Int_t WriteCoreJson(nlohmann::json &j, Int_t rnr_offset) override; | ||
| void BuildRenderData() override; | ||
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| void ComputeBBox() override; | ||
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| std::string GetText() const { return fText; } | ||
| void SetText(std::string_view text) { fText = text; StampObjProps(); } | ||
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| std::string GetFont() const { return fFont; } | ||
| void SetFont(std::string_view font) { fFont = font; StampObjProps();} | ||
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| Float_t GetFontSize() const { return fFontSize; } | ||
| void SetFontSize(float size) { fFontSize = size; StampObjProps();} | ||
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| Int_t GetMode() const { return fMode; } | ||
| void SetMode(Int_t mode) { fMode = mode;} | ||
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| Float_t GetFontHinting() const { return fFontHinting; } | ||
| void SetFontHinting(Float_t fontHinting) { fFontHinting = fontHinting; StampObjProps();} | ||
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| Float_t GetExtraBorder() const { return fExtraBorder; } | ||
| void SetExtraBorder(float size) { fExtraBorder = size; StampObjProps();} | ||
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| REveVector GetPosition() const { return fPosition; } | ||
| const REveVector& RefPosition() const { return fPosition; } | ||
| void SetPosition(const REveVector& position) { fPosition = position;} | ||
| void SetPosX(float x) { fPosition.fX = x; StampObjProps(); } | ||
| void SetPosY(float y) { fPosition.fY = y; StampObjProps(); } | ||
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| Color_t GetTextColor() const { return fTextColor; } | ||
| void SetTextColor(Color_t color) { fTextColor = color; StampObjProps();} | ||
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| // UChar_t GetTextAlpha() const { return fTextAlpha; } | ||
| // void SetTextAlpha(UChar_t c) { fTextAlpha = c; StampObjProps(); } | ||
| }; | ||
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| } // namespace Experimental | ||
| } // namespace ROOT | ||
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| #endif |
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