Inheritance diagram for TextElement:

Collaboration diagram for TextElement:

Public Member Functions
	TextElement (std::string text, int size, CST_Color *color=0, int font_type=NORMAL, int wrapped_width=0)

void	setText (const std::string &text)

void	setSize (int size)

void	setColor (const CST_Color &color)

void	setFont (int font_type)

void	setWrappedWidth (int wrapped_width)

void	update (bool forceUpdate=false)
	update TextElement with changes More...

Public Member Functions inherited from Texture
void	clear (void)
	Reinitialize Texture Resets texture content, size and color. More...

bool	loadFromSurface (CST_Surface *surface)
	Loads the texture from a surface Returns true if successful. More...

bool	loadFromCache (std::string &key)
	Loads the texture from caches Returns true if successful. More...

bool	loadFromSurfaceSaveToCache (std::string &key, CST_Surface *surface)
	Loads the texture from a surface and saves the results in caches Returns true if successful. More...

void	render (Element *parent)
	Renders the texture. More...

void	resize (int w, int h)
	Resizes the texture. More...

void	setScaleMode (TextureScaleMode mode)
	Sets texture scaling mode. More...

void	getTextureSize (int w, int h)
	Return texture's original size. More...

Texture *	setSize (int w, int h)

bool	saveTo (std::string &path)
	save this texture to the given file path as a PNG More...

void	loadPath (std::string &path, bool forceReload=false)
	update and load or reload the texture More...

Public Member Functions inherited from Element
virtual bool	process (InputEvents *event)
	process any input that is received for this element More...

virtual void	render (Element *parent)
	display the current state of the display More...

bool	onTouchDown (InputEvents *event)

bool	onTouchDrag (InputEvents *event)

bool	onTouchUp (InputEvents *event)

void	hide ()

void	unhide ()

void	renderBackground (bool fill=true)

void	append (Element *element)

void	remove (Element *element)

void	removeAll (bool moveToTrash=false)

void	position (int x, int y)
	position the element More...

void	recalcPosition (Element *parent)

CST_Rect	getBounds ()

CST_Renderer *	getRenderer ()

void	wipeAll (bool delSelf=false)

Element *	child (Element *child)

Element *	setPosition (int x, int y)

Element *	setAction (std::function< void()> func)

Element *	centerHorizontallyIn (Element *parent)

Element *	centerVerticallyIn (Element *parent)

Element *	centerIn (Element *parent)

Element *	setAbsolute (bool isAbs)

Element *	constrain (int flags, int padding=0)

Element *	animate (int durationIn, std::function< void(float)> onStep, std::function< void()> onFinish)

Element *	moveToFront ()

Element *	setTouchable (bool touchable)

void	screenshot (std::string path)
	Take a screenshot of this element and its children, and save it to the given path. More...

Static Public Member Functions
static void	loadI18nCache (std::string locale)

Public Attributes
std::string	text = ""

std::string	customFontPath = ""

Public Attributes inherited from Texture
int	cornerRadius = 0
	Rounded corner radius (if >0, will round) More...

SDL_BlendMode	blendMode = SDL_BLENDMODE_BLEND
	Blend mode to use for this texture. More...

Public Attributes inherited from Element
std::function< void()>	action = NULL
	the action to call (from binded callback) on touch or button selection https://stackoverflow.com/questions/14189440/c-class-member-callback-simple-examples More...

std::function< void(InputEvents *event)>	actionWithEvents = NULL

std::vector< Element * >	elements
	visible GUI child elements of this element More...

float	scale = 1.0f

bool	touchable = false
	whether or not this element can be touched (highlights bounds) More...

bool	dragging = false
	whether or not this element is currently being dragged More...

bool	needsRedraw = false
	whether or not this element needs the screen redrawn next time it's processed More...

int	futureRedrawCounter = 0
	whether this element needs a redraw for the next X redraws (decreases each time) (0 is no redraws) More...

int	lastMouseY = 0
	the last Y, X coordinate of the mouse (from a drag probably) More...

int	lastMouseX = 0

bool	hasBackground = false

rgb	backgroundColor = {0, 0, 0}

int	backgroundOpacity = 0xff

bool	isAbsolute = false

Element *	parent = NULL
	the parent element (can sometimes be null if it isn't set) More...

bool	hidden = false
	whether this element should skip rendering or not More...

bool	isProtected = false

int	elasticCounter = 0
	how much time is left in an elastic-type flick/scroll set by the last distance traveled in a scroll, and counts down every frame More...

int	width = 0
	width and height of this element (must be manually set, isn't usually calculated (but is in some cases, like text or images)) More...

int	height = 0

int	x = 0

int	y = 0

int	xAbs = 0

int	yAbs = 0

double	angle = 0
	rotation angle in degrees More...

int	xOff = 0

int	yOff = 0

int	cornerRadius = 0

std::vector< Constraint * >	constraints

std::vector< Animation * >	animations

bool	useColorMask = false
	whether or not to overlay a color mask on top of this element More...

CST_Color	maskColor = {0,0,0,0}
	The color to overlay on top. More...

Static Public Attributes
static std::unordered_map< std::string, std::string >	i18nCache = {}

static bool	useSimplifiedChineseFont = false

Additional Inherited Members
Public Types inherited from Element
typedef Element	super

Protected Attributes inherited from Texture
CST_Texture *	mTexture = nullptr
	The actual texture. More...

int	texW = 0
	The size of the texture. More...

int	texH = 0

CST_Color	texFirstPixel = {0,0,0,0}
	The color of the first pixel. More...

TextureScaleMode	texScaleMode = SCALE_STRETCH
	Texture's scaling mode. More...

Static Protected Attributes inherited from Texture
static std::unordered_map< std::string, TextureData >	texCache
	Cache previously displayed textures. More...

Detailed Description

Definition at line 17 of file TextElement.hpp.

Constructor & Destructor Documentation

◆ TextElement() [1/2]

TextElement::TextElement ( )

Definition at line 18 of file TextElement.cpp.

19{

20}

◆ TextElement() [2/2]

TextElement::TextElement	(	std::string	text,
		int	size,
		CST_Color *	color = `0`,
		int	font_type = `NORMAL`,
		int	wrapped_width = `0`
	)

Definition at line 54 of file TextElement.cpp.

{
    std::string sText = text;
    setText(sText);
    setSize(size);
    if (color) setColor(*color);
    setFont(font_type);
    setWrappedWidth(wrapped_width);
    update();
}

Member Function Documentation

◆ loadI18nCache()

void TextElement::loadI18nCache ( std::string locale )

static

Definition at line 23 of file TextElement.cpp.

                                                {
    // en-us, zh-cn
    std::string localePath = RAMFS "res/i18n/" + locale + ".ini";
    std::ifstream file(localePath);
    // printf("Loading i18n cache from %s\n", localePath.c_str());
    if (file.is_open()) {
        std::string line;
        while (std::getline(file, line)) {
            size_t pos = line.find(" =");
            if (pos == std::string::npos) {
                continue; // bad format
            }
            std::string key = line.substr(0, pos);
            pos = line.find("= ");
            if (pos == std::string::npos) {
                continue;
            }
            std::string value = line.substr(pos + 2);
            TextElement::i18nCache[key] = value;
            // printf("Loaded i18n key %s with value %s\n", key.c_str(), value.c_str());
        }
        file.close();
 
        // if locale is zh-cn, we need to force the simple chinese font
        if (locale == "zh-cn") {
            printf("Overriding font choice\n");
            TextElement::useSimplifiedChineseFont = true;
        }
    }
}

◆ setColor()

void TextElement::setColor ( const CST_Color & color )

Definition at line 75 of file TextElement.cpp.

{
    this->textColor = color;
}

◆ setFont()

void TextElement::setFont ( int font_type )

Definition at line 80 of file TextElement.cpp.

{
    this->textFont = font_type;
}

◆ setSize()

void TextElement::setSize ( int size )

Definition at line 70 of file TextElement.cpp.

{
    this->textSize = size;
}

◆ setText()

void TextElement::setText ( const std::string & text )

Definition at line 65 of file TextElement.cpp.

{
    this->text = text;
}

◆ setWrappedWidth()

void TextElement::setWrappedWidth ( int wrapped_width )

Definition at line 85 of file TextElement.cpp.

{
    this->textWrappedWidth = wrapped_width;
}

◆ update()

void TextElement::update ( bool forceUpdate = false )

update TextElement with changes

Definition at line 90 of file TextElement.cpp.

{
    std::string key = text + std::to_string(textSize);
 
    clear();
 
    if (!loadFromCache(key) || forceUpdate)
    {
        if (TextElement::useSimplifiedChineseFont && textFont == NORMAL) {
            textFont = SIMPLIFIED_CHINESE;
        }
        auto fontPath = fontPaths[textFont % 5];
        if (customFontPath != "") {
            fontPath = customFontPath.c_str();
        }
        TTF_Font* font = TTF_OpenFont(fontPath, textSize);
 
        CST_Surface *textSurface = ((textFont == ICON) || (textWrappedWidth == 0)) ?
            TTF_RenderUTF8_Blended(font, text.c_str(), textColor) :
            TTF_RenderUTF8_Blended_Wrapped(font, text.c_str(), textColor, textWrappedWidth);
        if(textSurface==NULL) printf("TTF_GetError: %s\n", TTF_GetError());
 
        loadFromSurfaceSaveToCache(key, textSurface);
 
        CST_FreeSurface(textSurface);
        TTF_CloseFont(font);
    }
 
    getTextureSize(&width, &height);
}

References Texture::clear(), Texture::getTextureSize(), Texture::loadFromCache(), Texture::loadFromSurfaceSaveToCache(), and Element::width.

Referenced by AlertDialog::AlertDialog().

Member Data Documentation

◆ customFontPath

std::string TextElement::customFontPath = ""

Definition at line 36 of file TextElement.hpp.

◆ i18nCache

std::unordered_map< std::string, std::string > TextElement::i18nCache = {}

static

Definition at line 38 of file TextElement.hpp.

◆ text

std::string TextElement::text = ""

Definition at line 33 of file TextElement.hpp.

◆ useSimplifiedChineseFont

bool TextElement::useSimplifiedChineseFont = false

static

Definition at line 42 of file TextElement.hpp.

The documentation for this class was generated from the following files:

src/TextElement.hpp
src/TextElement.cpp

Public Member Functions

Static Public Member Functions

Public Attributes

Static Public Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ TextElement() [1/2]

◆ TextElement() [2/2]

Member Function Documentation

◆ loadI18nCache()

◆ setColor()

◆ setFont()

◆ setSize()

◆ setText()

◆ setWrappedWidth()

◆ update()

Member Data Documentation

◆ customFontPath

◆ i18nCache

◆ text

◆ useSimplifiedChineseFont