Text.c File Reference

#include <assert.h>
#include <stdarg.h>
#include <string.h>
#include "Text.h"

Go to the source code of this file.

Macros
#define	_Class   _Text

Functions
Class *	_Text (void)
static void	applyStyle (View *self, const Style *style)
static void	awakeWithDictionary (View *self, const Dictionary *dictionary)
static void	dealloc (Object *self)
static String *	description (const Object *self)
static View *	init (View *self)
static void	initialize (Class *clazz)
static Text *	initWithText (Text *self, const char *text, Font *font)
static SDL_Size	naturalSize (const Text *self)
static void	render (View *self, Renderer *renderer)
static void	renderDeviceDidReset (View *self)
static void	renderDeviceWillReset (View *self)
static void	setFont (Text *self, Font *font)
static void	setText (Text *self, const char *text)
static void	setTextWithFormat (Text *self, const char *fmt,...)
static SDL_Size	sizeThatFits (const View *self)

Macro Definition Documentation

_Class

#define _Class   _Text

Definition at line 30 of file Text.c.

Function Documentation

_Text()

Class * _Text

(

void

)

Definition at line 333 of file Text.c.

                   {
    static Class *clazz;
    static Once once;
 
    do_once(&once, {
        clazz = _initialize(&(const ClassDef) {
            .name = "Text",
            .superclass = _View(),
            .instanceSize = sizeof(Text),
            .interfaceOffset = offsetof(Text, interface),
            .interfaceSize = sizeof(TextInterface),
            .initialize = initialize,
        });
    });
 
    return clazz;
}

applyStyle()

static void applyStyle ( View *  self, const Style *  style  )

static

See also

View::applyStyle(View *, const Style *)

Definition at line 76 of file Text.c.

                                                       {
 
    super(View, self, applyStyle, style);
 
    Text *this = (Text *) self;
 
    const Inlet inlets[] = MakeInlets(
        MakeInlet("color", InletTypeColor, &this->color, NULL)
    );
 
    $(self, bind, inlets, style->attributes);
 
    char *fontFamily = NULL;
    int fontSize = -1, fontStyle = -1;
 
    const Inlet fontInlets[] = MakeInlets(
        MakeInlet("font-family", InletTypeCharacters, &fontFamily, NULL),
        MakeInlet("font-size", InletTypeInteger, &fontSize, NULL),
        MakeInlet("font-style", InletTypeEnum, &fontStyle, (ident) FontStyleNames)
    );
 
    if ($(self, bind, fontInlets, style->attributes)) {
 
        Font *font = $$(Font, cachedFont, fontFamily , fontSize, fontStyle);
        assert(font);
 
        $(this, setFont, font);
 
        if (fontFamily) {
            free(fontFamily);
        }
    }
}

awakeWithDictionary()

static void awakeWithDictionary ( View *  self, const Dictionary *  dictionary  )

static

See also

View::awakeWithDictionary(View *, const Dictionary *)

Definition at line 113 of file Text.c.

                                                                          {
 
    super(View, self, awakeWithDictionary, dictionary);
 
    Text *this = (Text *) self;
 
    const Inlet inlets[] = MakeInlets(
        MakeInlet("color", InletTypeColor, &this->color, NULL),
        MakeInlet("font", InletTypeFont, &this->font, NULL),
        MakeInlet("lineWrap", InletTypeBool, &this->lineWrap, NULL),
        MakeInlet("text", InletTypeCharacters, &this->text, NULL)
    );
 
    $(self, bind, inlets, dictionary);
}

dealloc()

static void dealloc ( Object *  self )

static

See also

Object::dealloc(Object *)

Definition at line 37 of file Text.c.

                                  {
 
    Text *this = (Text *) self;
 
    release(this->font);
 
    free(this->text);
 
    if (this->texture) {
        glDeleteTextures(1, &this->texture);
    }
 
    super(Object, self, dealloc);
}

description()

static String * description ( const Object *  self )

static

See also

Object::description(const Object *)

Definition at line 55 of file Text.c.

                                               {
 
    View *this = (View *) self;
 
    String *classNames = $((Object *) this->classNames, description);
    String *description = str("%s@%p \"%s\" %s [%d, %d, %d, %d]",
                              this->identifier ?: classnameof(self),
                              self,
                              ((Text *) self)->text,
                              classNames->chars,
                              this->frame.x, this->frame.y, this->frame.w, this->frame.h);
 
    release(classNames);
    return description;
}

init()

static View * init ( View *  self )

static

See also

View::init(View *)

Definition at line 132 of file Text.c.

                              {
    return (View *) $((Text *) self, initWithText, NULL, NULL);
}

initialize()

static void initialize ( Class *  clazz )

static

See also

Class::initialize(Class *)

Definition at line 309 of file Text.c.

                                     {
 
    ((ObjectInterface *) clazz->interface)->dealloc = dealloc;
    ((ObjectInterface *) clazz->interface)->description = description;
 
    ((ViewInterface *) clazz->interface)->applyStyle = applyStyle;
    ((ViewInterface *) clazz->interface)->awakeWithDictionary = awakeWithDictionary;
    ((ViewInterface *) clazz->interface)->init = init;
    ((ViewInterface *) clazz->interface)->render = render;
    ((ViewInterface *) clazz->interface)->renderDeviceDidReset = renderDeviceDidReset;
    ((ViewInterface *) clazz->interface)->renderDeviceWillReset = renderDeviceWillReset;
    ((ViewInterface *) clazz->interface)->sizeThatFits = sizeThatFits;
 
    ((TextInterface *) clazz->interface)->initWithText = initWithText;
    ((TextInterface *) clazz->interface)->naturalSize = naturalSize;
    ((TextInterface *) clazz->interface)->setFont = setFont;
    ((TextInterface *) clazz->interface)->setText = setText;
    ((TextInterface *) clazz->interface)->setTextWithFormat = setTextWithFormat;
}

initWithText()

static Text * initWithText ( Text *  self, const char *  text, Font *  font  )

static

Definition at line 209 of file Text.c.

                                                                    {
 
    self = (Text *) super(View, self, initWithFrame, NULL);
    if (self) {
        $(self, setFont, font);
        $(self, setText, text);
    }
 
    return self;
}

naturalSize()

static SDL_Size naturalSize ( const Text *  self )

static

Definition at line 224 of file Text.c.

                                              {
 
    SDL_Size size = MakeSize(0, 0);
 
    if (self->font) {
        $(self->font, sizeCharacters, self->text ?: "", &size.w, &size.h);
    }
 
    return size;
}

render()

static void render ( View *  self, Renderer *  renderer  )

static

See also

View::render(View *, Renderer *)

Definition at line 139 of file Text.c.

                                                   {
 
    super(View, self, render, renderer);
 
    Text *this = (Text *) self;
 
    assert(this->font);
 
    if (this->text) {
 
        const SDL_Rect frame = $(self, renderFrame);
 
        if (this->texture == 0) {
            SDL_Surface *surface = $(this->font, renderCharacters,
                                     this->text,
                                     this->color,
                                     this->lineWrap ? frame.w : 0);
            assert(surface);
 
            this->texture = $(renderer, createTexture, surface);
 
            SDL_FreeSurface(surface);
        }
 
        assert(this->texture);
 
        $(renderer, drawTexture, this->texture, &frame);
    }
}

renderDeviceDidReset()

static void renderDeviceDidReset ( View *  self )

static

See also

View::renderDeviceDidReset(View *)

Definition at line 172 of file Text.c.

                                             {
 
    Text *this = (Text *) self;
 
    $(this->font, renderDeviceDidReset);
 
    super(View, self, renderDeviceDidReset);
}

renderDeviceWillReset()

static void renderDeviceWillReset ( View *  self )

static

See also

View::renderDeviceWillReset(View *)

Definition at line 184 of file Text.c.

                                              {
 
    Text *this = (Text *) self;
 
    if (this->texture) {
        glDeleteTextures(1, &this->texture);
        this->texture = 0;
    }
 
    super(View, self, renderDeviceWillReset);
}

setFont()

static void setFont ( Text *  self, Font *  font  )

static

Definition at line 239 of file Text.c.

                                            {
 
    font = font ?: $$(Font, defaultFont);
 
    if (font != self->font) {
 
        release(self->font);
        self->font = retain(font);
 
        if (self->texture) {
            glDeleteTextures(1, &self->texture);
            self->texture = 0;
        }
 
        $((View *) self, sizeToFit);
    }
}

setText()

static void setText ( Text *  self, const char *  text  )

static

Definition at line 261 of file Text.c.

                                                  {
 
    if (strcmp(self->text ?: "", text ?: "")) {
 
        free(self->text);
 
        if (text && strlen(text)) {
            self->text = strdup(text);
        } else {
            self->text = NULL;
        }
 
        if (self->texture) {
            glDeleteTextures(1, &self->texture);
            self->texture = 0;
        }
 
        $((View *) self, sizeToFit);
    }
}

setTextWithFormat()

static void setTextWithFormat ( Text *  self, const char *  fmt,   ...  )

static

Definition at line 289 of file Text.c.

                                                                {
 
    va_list args;
    va_start(args, fmt);
 
    char *text;
    const int len = vasprintf(&text, fmt, args);
    if (len >= 0) {
        $(self, setText, text);
    }
 
    free(text);
    va_end(args);
}

sizeThatFits()

static SDL_Size sizeThatFits ( const View *  self )

static

See also

View::sizeThatFits(View *)

Definition at line 199 of file Text.c.

                                               {
    return $((Text *) self, naturalSize);
}