GUIGradientNode.h

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#pragma once
 
#include <string>
 
#include <tdme/tdme.h>
#include <tdme/engine/fileio/textures/fwd-tdme.h>
#include <tdme/gui/fwd-tdme.h>
#include <tdme/gui/nodes/fwd-tdme.h>
#include <tdme/gui/nodes/GUIColor.h>
#include <tdme/gui/nodes/GUINode.h>
#include <tdme/gui/nodes/GUINode_Clipping.h>
#include <tdme/gui/nodes/GUINode_Scale9Grid.h>
#include <tdme/gui/renderer/fwd-tdme.h>
#include <tdme/math/Matrix3x3.h>
 
using std::string;
 
using tdme::engine::Texture;
using tdme::gui::nodes::GUIColor;
using tdme::gui::nodes::GUINode;
using tdme::gui::nodes::GUINode_Alignments;
using tdme::gui::nodes::GUINode_Border;
using tdme::gui::nodes::GUINode_Clipping;
using tdme::gui::nodes::GUINode_Flow;
using tdme::gui::nodes::GUINode_Padding;
using tdme::gui::nodes::GUINode_RequestedConstraints;
using tdme::gui::nodes::GUINode_Scale9Grid;
using tdme::gui::nodes::GUINodeConditions;
using tdme::gui::nodes::GUIParentNode;
using tdme::gui::nodes::GUIScreenNode;
using tdme::gui::renderer::GUIRenderer;
using tdme::math::Matrix3x3;
 
/**
 * GUI gradient node
 * @author Andreas Drewke
 */
class tdme::gui::nodes::GUIGradientNode
    : public GUINode
{
    friend class tdme::gui::GUIParser;
 
public:
    struct Gradient {
        int count { 0 };
        array<GUIColor, 10> colors;
        array<float, 10> colorStarts;
        float rotationAngle { 0.0f };
    };
 
    /**
     * Create gradient from string values
     * @param colors colors
     * @param rotation rotation
     */
    static Gradient createGradient(const string& colors, const string& rotation);
 
private:
    GUIColor effectColorMul;
    GUIColor effectColorAdd;
    GUINode_Clipping clipping;
    Texture* maskTexture { nullptr };
    float maskMaxValue;
    int32_t maskTextureId { 0 };
 
    Matrix3x3 textureMatrix;
    string mask;
 
    Gradient gradient;
 
protected:
    // forbid class copy
    FORBID_CLASS_COPY(GUIGradientNode)
 
    /**
     * Constructor
     * @param screenNode screen node
     * @param parentNode parent node
     * @param id id
     * @param flow flow
     * @param alignments alignments
     * @param requestedConstraints requested constraints
     * @param backgroundColor background color
     * @param backgroundImage background image
     * @param backgroundImageScale9Grid background image scale 9 grid
     * @param backgroundImageEffectColorMul background image effect color mul
     * @param backgroundImageEffectColorAdd background image effect color add
     * @param border border
     * @param padding padding
     * @param showOn show on
     * @param hideOn hide on
     * @param tooltip tooltip
     * @param effectColorMul effect color mul
     * @param effectColorAdd effect color add
     * @param clipping clipping
     * @param mask mask image
     * @param maskMaxValue maximum value of mask to display image
     * @param gradient gradient
     * @throws tdme::gui::GUIParserException
     */
    GUIGradientNode(
        GUIScreenNode* screenNode,
        GUIParentNode* parentNode,
        const string& id,
        GUINode_Flow* flow,
        const GUINode_Alignments& alignments,
        const GUINode_RequestedConstraints& requestedConstraints,
        const GUIColor& backgroundColor,
        const string& backgroundImage,
        const GUINode_Scale9Grid& backgroundImageScale9Grid,
        const GUIColor& backgroundImageEffectColorMul,
        const GUIColor& backgroundImageEffectColorAdd,
        const GUINode_Border& border,
        const GUINode_Padding& padding,
        const GUINodeConditions& showOn,
        const GUINodeConditions& hideOn,
        const string& tooltip,
        const GUIColor& effectColorMul,
        const GUIColor& effectColorAdd,
        const GUINode_Clipping& clipping,
        const string& mask,
        float maskMaxValue,
        const Gradient& gradient
    );
 
    // overridden methods
    const string getNodeType() override;
    bool isContentNode() override;
 
public:
    // overridden methods
    int getContentWidth() override;
    int getContentHeight() override;
    void dispose() override;
    void render(GUIRenderer* guiRenderer) override;
 
    /**
     * Set texture matrix
     * @param textureMatrix texture matrix
     */
    void setTextureMatrix(const Matrix3x3& textureMatrix);
 
    /**
     * @return effect color mul
     */
    const GUIColor& getEffectColorMul();
 
    /**
     * Set effect color mul
     * @param effectColorMul effect color mul
     */
    void setEffectColorMul(const GUIColor& effectColorMul);
 
    /**
     * @return effect color add
     */
    const GUIColor& getEffectColorAdd();
 
    /**
     * Set effect color add
     * @param effectColorAdd effect color add
     */
    void setEffectColorAdd(const GUIColor& effectColorAdd);
 
    /**
     * @return clipping
     */
    GUINode_Clipping& getClipping();
 
    /**
     * Create clipping
     * @param allClipping all sides
     * @param left left
     * @param top top
     * @param right right
     * @param bottom bottom
     */
    static GUINode_Clipping createClipping(const string& allClipping, const string& left, const string& top, const string& right, const string& bottom);
 
    /**
     * @return mask source
     */
    const string& getMask();
 
    /**
     * Set mask source
     * @param mask mask source
     */
    void setMask(const string& mask);
 
    /**
     * @return maximum value of mask to display image
     */
    float getMaskMaxValue() {
        return maskMaxValue;
    }
 
    /**
     * Set maximum value of mask to display image
     * @param maskMinValue value of mask to display image
     */
    void setMaskMaxValue(float maskMaxValue) {
        this->maskMaxValue = maskMaxValue;
    }
 
};