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#include "vkvg_surface_internal.h"
#include "vkvg_context_internal.h"
#include "vkvg_device_internal.h"
#include "vkvg_pattern.h"
VkvgPattern _init_pattern (VkvgDevice dev){
VkvgPattern pat = (vkvg_pattern_t*)calloc(1, sizeof(vkvg_pattern_t));
pat->dev = dev;
return pat;
}
VkvgPattern vkvg_pattern_create(VkvgDevice dev){
VkvgPattern pat = _init_pattern (dev);
pat->type = VKVG_PATTERN_TYPE_SOLID;
pat->data = (vkvg_color_t*)calloc(1,sizeof(vkvg_color_t));
return pat;
}
VkvgPattern vkvg_pattern_create_for_surface (VkvgSurface surf){
VkvgPattern pat = _init_pattern (surf->dev);
pat->data = surf;
return pat;
}
VkvgPattern vkvg_pattern_create_linear (VkvgDevice dev, float x0, float y0, float x1, float y1){
VkvgPattern pat = _init_pattern (dev);
vkvg_gradient_t* grad = (vkvg_gradient_t*)calloc(1,sizeof(vkvg_gradient_t));
vec2 cp0 = {x0, y0}, cp1 = {x1, y1};
grad->cp[0] = cp0;
grad->cp[1] = cp1;
pat->data = grad;
return pat;
}
VkvgPattern vkvg_pattern_create_radial (VkvgDevice dev, float cx0, float cy0, float radius0,
float cx1, float cy1, float radius1){
VkvgPattern pat = _init_pattern (dev);
vkvg_gradient_t* grad = (vkvg_gradient_t*)calloc(1,sizeof(vkvg_gradient_t));
vec2 cp0 = {cx0, cy0}, cp1 = {cx1, cy1}, rads = {radius0, radius1};
grad->cp[0] = cp0;
grad->cp[1] = cp1;
grad->cp[2] = rads;
pat->data = grad;
return pat;
}
void vkvg_patter_add_color_stop (VkvgPattern pat, float offset, float r, float g, float b, float a) {
if (pat->type == VKVG_PATTERN_TYPE_SURFACE || pat->type == VKVG_PATTERN_TYPE_SOLID){
return;
}
vkvg_gradient_t* grad = (vkvg_gradient_t*)pat->data;
vkvg_color_t c = {r,g,b,a};
grad->colors[grad->count] = c;
grad->stops[grad->count] = offset;
}
void vkvg_pattern_set_extend (VkvgPattern pat, vkvg_extend_t extend){
pat->extend = extend;
}
void vkvg_set_source (VkvgContext ctx, VkvgPattern pat){
}
void vkvg_pattern_destroy(VkvgPattern pat)
{
if (pat->type != VKVG_PATTERN_TYPE_SURFACE)
free (pat->data);
free(pat);
}
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