Stéphane CHAU wrote:
> Can we use images as fill patterns if we use pixel format that are not
> defined as 32 bits ?
Just off the top of my head, you could copy and rename span_pattern_rgba to span_pattern_rgb555, and change the "generate" method to something like this:
void generate(color_type* span, int x, int y, unsigned len)
{
typedef source_type::pixfmt_type::pixel_type pixel_type;
x += m_offset_x;
y += m_offset_y;
const pixel_type* p = (const pixel_type*)m_src->span(x, y, len);
do
{
color_type c = agg::blender_rgb555::make_color(*p);
span->r = c.r;
span->g = c.g;
span->b = c.b;
span->a = c.a;
p = (const pixel_type*)m_src->next_x();
++span;
}
while(--len);
}
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