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#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <math.h>
#include <float.h>
#include <Eina.h>
#include <Ector.h>
#include <cairo/Ector_Cairo.h>
#include "ector_private.h"
#include "ector_cairo_private.h"
typedef enum {
CAIRO_OPERATOR_CLEAR,
CAIRO_OPERATOR_SOURCE,
CAIRO_OPERATOR_OVER,
CAIRO_OPERATOR_IN,
CAIRO_OPERATOR_OUT,
CAIRO_OPERATOR_ATOP,
CAIRO_OPERATOR_DEST,
CAIRO_OPERATOR_DEST_OVER,
CAIRO_OPERATOR_DEST_IN,
CAIRO_OPERATOR_DEST_OUT,
CAIRO_OPERATOR_DEST_ATOP,
CAIRO_OPERATOR_XOR,
CAIRO_OPERATOR_ADD,
CAIRO_OPERATOR_SATURATE,
CAIRO_OPERATOR_MULTIPLY,
CAIRO_OPERATOR_SCREEN,
CAIRO_OPERATOR_OVERLAY,
CAIRO_OPERATOR_DARKEN,
CAIRO_OPERATOR_LIGHTEN,
CAIRO_OPERATOR_COLOR_DODGE,
CAIRO_OPERATOR_COLOR_BURN,
CAIRO_OPERATOR_HARD_LIGHT,
CAIRO_OPERATOR_SOFT_LIGHT,
CAIRO_OPERATOR_DIFFERENCE,
CAIRO_OPERATOR_EXCLUSION,
CAIRO_OPERATOR_HSL_HUE,
CAIRO_OPERATOR_HSL_SATURATION,
CAIRO_OPERATOR_HSL_COLOR,
CAIRO_OPERATOR_HSL_LUMINOSITY
} cairo_operator_t;
static void (*cairo_translate)(cairo_t *cr, double tx, double ty) = NULL;
static void (*cairo_matrix_init)(cairo_matrix_t *matrix,
double xx, double yx,
double xy, double yy,
double x0, double y0) = NULL;
static void (*cairo_transform)(cairo_t *cr, const cairo_matrix_t *matrix) = NULL;
static void (*cairo_set_source_rgba)(cairo_t *cr,
double red, double green, double blue,
double alpha) = NULL;
static void (*cairo_set_operator)(cairo_t *cr, cairo_operator_t op) = NULL;
static void (*cairo_matrix_init_identity)(cairo_matrix_t *matrix) = NULL;
static void (*cairo_new_path)(cairo_t *cr) = NULL;
static void (*cairo_rectangle)(cairo_t *cr, double x, double y, double width, double height) = NULL;
static void (*cairo_clip)(cairo_t *cr) = NULL;
static void (*cairo_device_to_user)(cairo_t *cr, double *x, double *y) = NULL;
// This routine is shared for all gradient types to use
void (*cairo_pattern_add_color_stop_rgba)(cairo_pattern_t *pattern, double offset,
double red, double green, double blue, double alpha) = NULL;
static cairo_matrix_t identity;
// Cairo needs unpremultiplied color, so force unpremul here
void
_ector_renderer_cairo_ector_renderer_color_set(Eo *obj EINA_UNUSED,
Ector_Renderer_Cairo_Data *pd,
int r, int g, int b, int a)
{
pd->generic->color.r = r;
pd->generic->color.g = g;
pd->generic->color.b = b;
pd->generic->color.a = a;
}
void
_ector_renderer_cairo_ector_renderer_color_get(Eo *obj EINA_UNUSED,
Ector_Renderer_Cairo_Data *pd,
int *r, int *g, int *b, int *a)
{
if (r) *r = pd->generic->color.r;
if (g) *g = pd->generic->color.g;
if (b) *b = pd->generic->color.b;
if (a) *a = pd->generic->color.a;
}
static Eina_Bool
_ector_renderer_cairo_ector_renderer_prepare(Eo *obj, Ector_Renderer_Cairo_Data *pd)
{
if (!pd->parent)
{
pd->parent = efl_data_xref(pd->generic->surface, ECTOR_CAIRO_SURFACE_CLASS, obj);
}
if (pd->generic->m)
{
if (!pd->m) pd->m = malloc(sizeof (cairo_matrix_t));
cairo_matrix_init(pd->m,
pd->generic->m->xx, pd->generic->m->yx,
pd->generic->m->xy, pd->generic->m->yy,
pd->generic->m->xz, pd->generic->m->yz);
}
else
{
free(pd->m);
pd->m = NULL;
}
return EINA_TRUE;
}
static Eina_Bool
_ector_renderer_cairo_ector_renderer_draw(Eo *obj EINA_UNUSED,
Ector_Renderer_Cairo_Data *pd,
Efl_Gfx_Render_Op op,
Eina_Array *clips EINA_UNUSED,
unsigned int mul_col)
{
int r, g, b, a;
cairo_operator_t cop;
double cx, cy;
switch (op)
{
case EFL_GFX_RENDER_OP_BLEND:
cop = CAIRO_OPERATOR_OVER;
break;
case EFL_GFX_RENDER_OP_COPY:
default:
cop = CAIRO_OPERATOR_SOURCE;
break;
}
r = ((pd->generic->color.r * R_VAL(&mul_col)) >> 8);
g = ((pd->generic->color.g * G_VAL(&mul_col)) >> 8);
b = ((pd->generic->color.b * B_VAL(&mul_col)) >> 8);
a = ((pd->generic->color.a * A_VAL(&mul_col)) >> 8);
ector_color_argb_unpremul(a, &r, &g, &b);
cairo_set_operator(pd->parent->cairo, cop);
if (clips)
{
int clip_count = eina_array_count(clips);
int i=0;
for (; i < clip_count ; i++)
{
Eina_Rectangle *clip = (Eina_Rectangle *)eina_array_data_get(clips, i);
double x = (double)clip->x;
double y = (double)clip->y;
cairo_new_path(pd->parent->cairo);
cairo_device_to_user(pd->parent->cairo, &x, &y);
cairo_rectangle(pd->parent->cairo, x, y, clip->w, clip->h);
}
cairo_clip(pd->parent->cairo);
}
cairo_transform(pd->parent->cairo, &identity);
cx = pd->generic->origin.x + pd->parent->current.x;
cy = pd->generic->origin.y + pd->parent->current.y;
cairo_translate(pd->parent->cairo, cx, cy);
if (pd->m) cairo_transform(pd->parent->cairo, pd->m);
else cairo_transform(pd->parent->cairo, &identity);
cairo_set_source_rgba(pd->parent->cairo, r/255.0, g/255.0, b/255.0, a/255.0);
return EINA_TRUE;
}
static Eo *
_ector_renderer_cairo_efl_object_constructor(Eo *obj, Ector_Renderer_Cairo_Data *pd EINA_UNUSED)
{
obj = efl_constructor(efl_super(obj, ECTOR_RENDERER_CAIRO_CLASS));
if (!obj) return NULL;
pd->generic = efl_data_xref(obj, ECTOR_RENDERER_CLASS, obj);
return obj;
}
static Efl_Object *
_ector_renderer_cairo_efl_object_finalize(Eo *obj, Ector_Renderer_Cairo_Data *pd)
{
obj = efl_finalize(efl_super(obj, ECTOR_RENDERER_CAIRO_CLASS));
if (!obj) return NULL;
USE(pd->generic, cairo_matrix_init, NULL);
USE(pd->generic, cairo_translate, NULL);
USE(pd->generic, cairo_set_source_rgba, NULL);
USE(pd->generic, cairo_transform, NULL);
USE(pd->generic, cairo_set_operator, NULL);
USE(pd->generic, cairo_new_path, NULL);
USE(pd->generic, cairo_rectangle, NULL);
USE(pd->generic, cairo_clip, NULL);
USE(pd->generic, cairo_device_to_user, NULL);
USE(pd->generic, cairo_matrix_init_identity, NULL);
cairo_matrix_init_identity(&identity);
return obj;
}
static void
_ector_renderer_cairo_efl_object_destructor(Eo *obj, Ector_Renderer_Cairo_Data *pd)
{
Ector_Renderer_Data *base;
base = efl_data_scope_get(obj, ECTOR_RENDERER_CLASS);
efl_data_xunref(base->surface, pd->parent, obj);
efl_data_xunref(obj, pd->generic, obj);
free(pd->m);
efl_destructor(efl_super(obj, ECTOR_RENDERER_CAIRO_CLASS));
}
#include "ector_renderer_cairo.eo.c"
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