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#include "html.h"
#include "render_image.h"
#include "document.h"
int litehtml::render_item_image::_render(int x, int y, const containing_block_context &containing_block_size, formatting_context* fmt_ctx, bool second_pass)
{
int parent_width = containing_block_size.width;
containing_block_context self_size = calculate_containing_block_context(containing_block_size);
calc_outlines(parent_width);
m_pos.move_to(x, y);
document::ptr doc = src_el()->get_document();
litehtml::size sz;
src_el()->get_content_size(sz, containing_block_size.width);
m_pos.width = sz.width;
m_pos.height = sz.height;
src_el()->css_w().set_line_height(height());
if(src_el()->css().get_height().is_predefined() && src_el()->css().get_width().is_predefined())
{
m_pos.height = sz.height;
m_pos.width = sz.width;
// check for max-width
if(!src_el()->css().get_max_width().is_predefined())
{
int max_width = doc->to_pixels(src_el()->css().get_max_width(), src_el()->css().get_font_size(), parent_width);
if(m_pos.width > max_width)
{
m_pos.width = max_width;
}
if(sz.width)
{
m_pos.height = (int) ((float) m_pos.width * (float) sz.height / (float)sz.width);
} else
{
m_pos.height = sz.height;
}
}
// check for max-height
if(!src_el()->css().get_max_height().is_predefined())
{
int max_height = calc_max_height(sz.height, containing_block_size.height);
if(m_pos.height > max_height)
{
m_pos.height = max_height;
}
if(sz.height)
{
m_pos.width = (int) ((float )m_pos.height * (float)sz.width / (float)sz.height);
} else
{
m_pos.width = sz.width;
}
}
} else if(!src_el()->css().get_height().is_predefined() && src_el()->css().get_width().is_predefined())
{
if(self_size.height.type != containing_block_context::cbc_value_type_auto && self_size.height > 0)
{
m_pos.height = self_size.height;
}
// check for max-height
if(!src_el()->css().get_max_height().is_predefined())
{
int max_height = calc_max_height(sz.height, containing_block_size.height);
if(m_pos.height > max_height)
{
m_pos.height = max_height;
}
}
if(sz.height)
{
m_pos.width = (int) ((float )m_pos.height * (float)sz.width / (float)sz.height);
} else
{
m_pos.width = sz.width;
}
} else if(src_el()->css().get_height().is_predefined() && !src_el()->css().get_width().is_predefined())
{
m_pos.width = (int) src_el()->css().get_width().calc_percent(parent_width);
// check for max-width
if(!src_el()->css().get_max_width().is_predefined())
{
int max_width = doc->to_pixels(src_el()->css().get_max_width(), src_el()->css().get_font_size(), parent_width);
if(m_pos.width > max_width)
{
m_pos.width = max_width;
}
}
if(sz.width)
{
m_pos.height = (int) ((float) m_pos.width * (float) sz.height / (float)sz.width);
} else
{
m_pos.height = sz.height;
}
} else
{
m_pos.width = (int) src_el()->css().get_width().calc_percent(parent_width);
m_pos.height = 0;
if(self_size.height.type != containing_block_context::cbc_value_type_auto && self_size.height > 0)
{
m_pos.height = self_size.height;
}
// check for max-height
if(!src_el()->css().get_max_height().is_predefined())
{
int max_height = calc_max_height(sz.height, containing_block_size.height);
if(m_pos.height > max_height)
{
m_pos.height = max_height;
}
}
// check for max-height
if(!src_el()->css().get_max_width().is_predefined())
{
int max_width = doc->to_pixels(src_el()->css().get_max_width(), src_el()->css().get_font_size(), parent_width);
if(m_pos.width > max_width)
{
m_pos.width = max_width;
}
}
}
m_pos.x += content_offset_left();
m_pos.y += content_offset_top();
return m_pos.width + content_offset_left() + content_offset_right();
}
int litehtml::render_item_image::calc_max_height(int image_height, int containing_block_height)
{
document::ptr doc = src_el()->get_document();
return doc->to_pixels(src_el()->css().get_max_height(), src_el()->css().get_font_size(),
containing_block_height == 0 ? image_height : containing_block_height);
}
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