Class: Magick::Image::PolaroidOptions

Inherits:
Object
  • Object
show all
Defined in:
ext/RMagick/rmmain.c

Instance Method Summary collapse

Constructor Details

#initialize {|self| ... } ⇒ Magick::Image::PolaroidOptions

Initialize a PolaroidOptions object.

Yields:

  • (self)

Yield Parameters:



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# File 'ext/RMagick/rmdraw.c', line 1451

VALUE
PolaroidOptions_initialize(VALUE self)
{
    Draw *draw;
    ExceptionInfo *exception;

    // Default shadow color
    Data_Get_Struct(self, Draw, draw);

    exception = AcquireExceptionInfo();
    QueryColorCompliance("gray75", AllCompliance, &draw->shadow_color, exception);
    CHECK_EXCEPTION();
    QueryColorCompliance("#dfdfdf", AllCompliance, &draw->info->border_color, exception);
    CHECK_EXCEPTION();
    DestroyExceptionInfo(exception);

    if (rb_block_given_p())
    {
        if (rb_proc_arity(rb_block_proc()) == 0)
        {
            // Run the block in self's context
            rb_warn("passing a block without an image argument is deprecated");
            rb_obj_instance_eval(0, NULL, self);
        }
        else
        {
            rb_yield(self);
        }
    }

    return self;
}

Instance Method Details

#align=(align) ⇒ Magick::AlignType

Set the text alignment from an AlignType.



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# File 'ext/RMagick/rmdraw.c', line 53

VALUE
Draw_align_eq(VALUE self, VALUE align)
{
    Draw *draw;

    rb_check_frozen(self);
    Data_Get_Struct(self, Draw, draw);
    VALUE_TO_ENUM(align, draw->info->align, AlignType);
    return align;
}

#border_color=(border) ⇒ Magick::Pixel, String

Set the border color.



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# File 'ext/RMagick/rmdraw.c', line 1523

VALUE
PolaroidOptions_border_color_eq(VALUE self, VALUE border)
{
    Draw *draw;

    rb_check_frozen(self);
    Data_Get_Struct(self, Draw, draw);
    Color_to_PixelColor(&draw->info->border_color, border);
    return border;
}

#decorate=(decorate) ⇒ Magick::DecorationType

Set text decorate from an DecorationType.



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# File 'ext/RMagick/rmdraw.c', line 71

VALUE
Draw_decorate_eq(VALUE self, VALUE decorate)
{
    Draw *draw;

    rb_check_frozen(self);
    Data_Get_Struct(self, Draw, draw);
    VALUE_TO_ENUM(decorate, draw->info->decorate, DecorationType);
    return decorate;
}

#density=(density) ⇒ String

Set density.



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# File 'ext/RMagick/rmdraw.c', line 89

VALUE
Draw_density_eq(VALUE self, VALUE density)
{
    Draw *draw;

    rb_check_frozen(self);
    Data_Get_Struct(self, Draw, draw);
    magick_clone_string(&draw->info->density, StringValueCStr(density));

    return density;
}

#encoding=(encoding) ⇒ String

Set text encoding.



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# File 'ext/RMagick/rmdraw.c', line 108

VALUE
Draw_encoding_eq(VALUE self, VALUE encoding)
{
    Draw *draw;

    rb_check_frozen(self);
    Data_Get_Struct(self, Draw, draw);
    magick_clone_string(&draw->info->encoding, StringValueCStr(encoding));

    return encoding;
}

#fill=(fill) ⇒ Magick::Pixel, String

Set fill color.



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# File 'ext/RMagick/rmdraw.c', line 127

VALUE
Draw_fill_eq(VALUE self, VALUE fill)
{
    Draw *draw;

    rb_check_frozen(self);
    Data_Get_Struct(self, Draw, draw);
    Color_to_PixelColor(&draw->info->fill, fill);
    return fill;
}

#fill_pattern=(pattern) ⇒ Magick::Image

Accept an image as a fill pattern.

See Also:



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# File 'ext/RMagick/rmdraw.c', line 148

VALUE
Draw_fill_pattern_eq(VALUE self, VALUE pattern)
{
    Draw *draw;

    rb_check_frozen(self);
    Data_Get_Struct(self, Draw, draw);

    if (draw->info->fill_pattern != NULL)
    {
        // Do not trace destruction
        DestroyImage(draw->info->fill_pattern);
        draw->info->fill_pattern = NULL;
    }

    if (!NIL_P(pattern))
    {
        Image *image;

        pattern = rm_cur_image(pattern);
        image = rm_check_destroyed(pattern);
        // Do not trace creation
        draw->info->fill_pattern = rm_clone_image(image);
    }

    return pattern;
}

#font=(font) ⇒ String

Set the font name.



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# File 'ext/RMagick/rmdraw.c', line 183

VALUE
Draw_font_eq(VALUE self, VALUE font)
{
    Draw *draw;

    rb_check_frozen(self);
    Data_Get_Struct(self, Draw, draw);
    magick_clone_string(&draw->info->font, StringValueCStr(font));

    return font;
}

#font_family=(family) ⇒ String

Set the font family name.



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# File 'ext/RMagick/rmdraw.c', line 202

VALUE
Draw_font_family_eq(VALUE self, VALUE family)
{
    Draw *draw;

    rb_check_frozen(self);
    Data_Get_Struct(self, Draw, draw);
    magick_clone_string(&draw->info->family, StringValueCStr(family));

    return family;
}

#font_stretch=(stretch) ⇒ Magick::StretchType

Set the stretch as spacing between text characters.



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# File 'ext/RMagick/rmdraw.c', line 221

VALUE
Draw_font_stretch_eq(VALUE self, VALUE stretch)
{
    Draw *draw;

    rb_check_frozen(self);
    Data_Get_Struct(self, Draw, draw);
    VALUE_TO_ENUM(stretch, draw->info->stretch, StretchType);
    return stretch;
}

#font_style=(style) ⇒ Magick::StyleType

Set font style.



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# File 'ext/RMagick/rmdraw.c', line 239

VALUE
Draw_font_style_eq(VALUE self, VALUE style)
{
    Draw *draw;

    rb_check_frozen(self);
    Data_Get_Struct(self, Draw, draw);
    VALUE_TO_ENUM(style, draw->info->style, StyleType);
    return style;
}

#font_weight=(weight) ⇒ Magick::WeightType, Numeric

Note:

The font weight can be one of the font weight constants or a number between 100 and 900

Set font weight.



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# File 'ext/RMagick/rmdraw.c', line 258

VALUE
Draw_font_weight_eq(VALUE self, VALUE weight)
{
    Draw *draw;
    size_t w;

    rb_check_frozen(self);
    Data_Get_Struct(self, Draw, draw);

    if (FIXNUM_P(weight))
    {
        w = FIX2INT(weight);
        if (w < 100 || w > 900)
        {
            rb_raise(rb_eArgError, "invalid font weight (%"RMIuSIZE" given)", w);
        }
        draw->info->weight = w;
    }
    else
    {
        VALUE_TO_ENUM(weight, w, WeightType);
        switch (w)
        {
            case AnyWeight:
                draw->info->weight = 0;
                break;
            case NormalWeight:
                draw->info->weight = 400;
                break;
            case BoldWeight:
                draw->info->weight = 700;
                break;
            case BolderWeight:
                if (draw->info->weight <= 800)
                    draw->info->weight += 100;
                break;
            case LighterWeight:
                if (draw->info->weight >= 100)
                    draw->info->weight -= 100;
                break;
            default:
                rb_raise(rb_eArgError, "unknown font weight");
                break;
        }
    }

    return weight;
}

#gravity=(grav) ⇒ Magick::GravityType

Set gravity to draw text. Gravity affects text placement in bounding area according to rules:

  • NorthWestGravity - text bottom-left corner placed at top-left

  • NorthGravity - text bottom-center placed at top-center

  • NorthEastGravity - text bottom-right corner placed at top-right

  • WestGravity - text left-center placed at left-center

  • CenterGravity - text center placed at center

  • EastGravity - text right-center placed at right-center

  • SouthWestGravity - text top-left placed at bottom-left

  • SouthGravity - text top-center placed at bottom-center

  • SouthEastGravity - text top-right placed at bottom-right



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# File 'ext/RMagick/rmdraw.c', line 325

VALUE
Draw_gravity_eq(VALUE self, VALUE grav)
{
    Draw *draw;

    rb_check_frozen(self);
    Data_Get_Struct(self, Draw, draw);
    VALUE_TO_ENUM(grav, draw->info->gravity, GravityType);

    return grav;
}

#pointsize=(pointsize) ⇒ Float

Set point size to draw text.



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# File 'ext/RMagick/rmdraw.c', line 636

VALUE
Draw_pointsize_eq(VALUE self, VALUE pointsize)
{
    Draw *draw;

    rb_check_frozen(self);
    Data_Get_Struct(self, Draw, draw);
    draw->info->pointsize = NUM2DBL(pointsize);
    return pointsize;
}

#shadow_color=(shadow) ⇒ Magick::Pixel, String

Set the shadow color attribute.



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# File 'ext/RMagick/rmdraw.c', line 1505

VALUE
PolaroidOptions_shadow_color_eq(VALUE self, VALUE shadow)
{
    Draw *draw;

    rb_check_frozen(self);
    Data_Get_Struct(self, Draw, draw);
    Color_to_PixelColor(&draw->shadow_color, shadow);
    return shadow;
}

#stroke=(stroke) ⇒ Magick::Pixel, String

Set stroke.



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# File 'ext/RMagick/rmdraw.c', line 692

VALUE
Draw_stroke_eq(VALUE self, VALUE stroke)
{
    Draw *draw;

    rb_check_frozen(self);
    Data_Get_Struct(self, Draw, draw);
    Color_to_PixelColor(&draw->info->stroke, stroke);
    return stroke;
}

#stroke_pattern=(pattern) ⇒ Magick::Image

Accept an image as a stroke pattern.

See Also:

  • #fill_pattern


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# File 'ext/RMagick/rmdraw.c', line 712

VALUE
Draw_stroke_pattern_eq(VALUE self, VALUE pattern)
{
    Draw *draw;

    rb_check_frozen(self);
    Data_Get_Struct(self, Draw, draw);

    if (draw->info->stroke_pattern != NULL)
    {
        // Do not trace destruction
        DestroyImage(draw->info->stroke_pattern);
        draw->info->stroke_pattern = NULL;
    }

    if (!NIL_P(pattern))
    {
        Image *image;

        // DestroyDrawInfo destroys the clone
        pattern = rm_cur_image(pattern);
        image = rm_check_destroyed(pattern);
        // Do not trace creation
        draw->info->stroke_pattern = rm_clone_image(image);
    }

    return pattern;
}

#stroke_width=(stroke_width) ⇒ Float

Set stroke width.



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# File 'ext/RMagick/rmdraw.c', line 748

VALUE
Draw_stroke_width_eq(VALUE self, VALUE stroke_width)
{
    Draw *draw;

    rb_check_frozen(self);
    Data_Get_Struct(self, Draw, draw);
    draw->info->stroke_width = NUM2DBL(stroke_width);
    return stroke_width;
}

#text_antialias=(text_antialias) ⇒ Boolean

Set whether to enable text antialias.



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# File 'ext/RMagick/rmdraw.c', line 766

VALUE
Draw_text_antialias_eq(VALUE self, VALUE text_antialias)
{
    Draw *draw;

    rb_check_frozen(self);
    Data_Get_Struct(self, Draw, draw);
    draw->info->text_antialias = (MagickBooleanType) RTEST(text_antialias);
    return text_antialias;
}

#undercolor=(undercolor) ⇒ Magick::Pixel, String

Set undercolor.



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# File 'ext/RMagick/rmdraw.c', line 797

VALUE
Draw_undercolor_eq(VALUE self, VALUE undercolor)
{
    Draw *draw;

    rb_check_frozen(self);
    Data_Get_Struct(self, Draw, draw);
    Color_to_PixelColor(&draw->info->undercolor, undercolor);
    return undercolor;
}