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path: root/src/lib/ector/software/ector_renderer_software_gradient_linear.c
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#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <Eina.h>
#include <Ector.h>
#include <software/Ector_Software.h>

#include "ector_private.h"
#include "ector_software_private.h"

static Eina_Bool
_ector_renderer_software_gradient_linear_ector_renderer_generic_base_prepare(Eo *obj,
                                                                             Ector_Renderer_Software_Gradient_Data *pd)
{
   if (!pd->surface)
     {
        Ector_Renderer_Generic_Base_Data *base;

        base = eo_data_scope_get(obj, ECTOR_RENDERER_GENERIC_BASE_CLASS);
        pd->surface = eo_data_xref(base->surface, ECTOR_SOFTWARE_SURFACE_CLASS, obj);
     }

   update_color_table(pd);

   pd->linear.x1 = pd->gld->start.x;
   pd->linear.y1 = pd->gld->start.y;

   pd->linear.x2 = pd->gld->end.x;
   pd->linear.y2 = pd->gld->end.y;

   pd->linear.dx = pd->linear.x2 - pd->linear.x1;
   pd->linear.dy = pd->linear.y2 - pd->linear.y1;
   pd->linear.l = pd->linear.dx * pd->linear.dx + pd->linear.dy * pd->linear.dy;
   pd->linear.off = 0;

   if (pd->linear.l != 0)
     {
        pd->linear.dx /= pd->linear.l;
        pd->linear.dy /= pd->linear.l;
        pd->linear.off = -pd->linear.dx * pd->linear.x1 - pd->linear.dy * pd->linear.y1;
     }

   return EINA_FALSE;
}

static Eina_Bool
_ector_renderer_software_gradient_linear_ector_renderer_generic_base_draw(Eo *obj EINA_UNUSED,
                                                                          Ector_Renderer_Software_Gradient_Data *pd EINA_UNUSED,
                                                                          Efl_Gfx_Render_Op op EINA_UNUSED, Eina_Array *clips EINA_UNUSED,
                                                                          unsigned int mul_col EINA_UNUSED)
{
   return EINA_TRUE;
}

static Eina_Bool
_ector_renderer_software_gradient_linear_ector_renderer_software_base_fill(Eo *obj EINA_UNUSED,
                                                                           Ector_Renderer_Software_Gradient_Data *pd)
{
   ector_software_rasterizer_linear_gradient_set(pd->surface->rasterizer, pd);

   return EINA_TRUE;
}

static Eo *
_ector_renderer_software_gradient_linear_eo_base_constructor(Eo *obj,
                                                             Ector_Renderer_Software_Gradient_Data *pd)
{
   obj = eo_constructor(eo_super(obj, ECTOR_RENDERER_SOFTWARE_GRADIENT_LINEAR_CLASS));
   if (!obj) return NULL;

   pd->gd  = eo_data_xref(obj, ECTOR_RENDERER_GENERIC_GRADIENT_MIXIN, obj);
   pd->gld = eo_data_xref(obj, ECTOR_RENDERER_GENERIC_GRADIENT_LINEAR_MIXIN, obj);

   return obj;
}

static void
_ector_renderer_software_gradient_linear_eo_base_destructor(Eo *obj,
                                                            Ector_Renderer_Software_Gradient_Data *pd)
{
   Ector_Renderer_Generic_Base_Data *base;

   destroy_color_table(pd);

   base = eo_data_scope_get(obj, ECTOR_RENDERER_GENERIC_BASE_CLASS);
   eo_data_xunref(base->surface, pd->surface, obj);

   eo_data_xunref(obj, pd->gd, obj);
   eo_data_xunref(obj, pd->gld, obj);

   eo_destructor(eo_super(obj, ECTOR_RENDERER_SOFTWARE_GRADIENT_LINEAR_CLASS));
}

void
_ector_renderer_software_gradient_linear_efl_gfx_gradient_base_stop_set(Eo *obj, Ector_Renderer_Software_Gradient_Data *pd, const Efl_Gfx_Gradient_Stop *colors, unsigned int length)
{
   efl_gfx_gradient_stop_set(eo_super(obj, ECTOR_RENDERER_SOFTWARE_GRADIENT_LINEAR_CLASS), colors, length);

   destroy_color_table(pd);
}

static unsigned int
_ector_renderer_software_gradient_linear_ector_renderer_generic_base_crc_get(Eo *obj, Ector_Renderer_Software_Gradient_Data *pd)
{
   unsigned int crc;

   crc = ector_renderer_crc_get(eo_super(obj, ECTOR_RENDERER_SOFTWARE_GRADIENT_LINEAR_CLASS));

   crc = eina_crc((void*) pd->gd->s, sizeof (Efl_Gfx_Gradient_Spread), crc, EINA_FALSE);
   if (pd->gd->colors_count)
     crc = eina_crc((void*) pd->gd->colors, sizeof (Efl_Gfx_Gradient_Stop) * pd->gd->colors_count, crc, EINA_FALSE);
   crc = eina_crc((void*) pd->gld, sizeof (Ector_Renderer_Generic_Gradient_Linear_Data), crc, EINA_FALSE);

   return crc;
}

#include "ector_renderer_software_gradient_linear.eo.c"