efl/src/static_libs/vg_common/vg_common_json.c

619 lines
22 KiB
C

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "vg_common.h"
#include <Evas.h>
#ifdef BUILD_VG_LOADER_JSON
#include <rlottie_capi.h>
static char*
_get_key_val(void *key)
{
static char buf[30];
snprintf(buf, sizeof(buf), "%zu", (size_t) key);
return buf;
}
static void
_construct_drawable_nodes(Efl_Canvas_Vg_Container *parent, const LOTLayerNode *layer, int depth EINA_UNUSED)
{
if (!parent) return;
//This list is used for layer order verification
Eina_List *list = (Eina_List*) efl_canvas_vg_container_children_direct_get(parent);
for (unsigned int i = 0; i < layer->mNodeList.size; i++)
{
if (i > 0) list = eina_list_next(list);
LOTNode *node = layer->mNodeList.ptr[i];
if (!node) continue;
//Image object
if (node->mImageInfo.data)
{
char *key = _get_key_val(node);
Efl_Canvas_Vg_Image *image = efl_key_data_get(parent, key);
if (!image)
{
image = efl_add(EFL_CANVAS_VG_IMAGE_CLASS, parent);
efl_key_data_set(parent, key, image);
}
#if DEBUG
for (int i = 0; i < depth; i++) printf(" ");
printf("%s (%p)\n", efl_class_name_get(efl_class_get(image)), image);
#endif
Eina_Matrix3 m;
eina_matrix3_identity(&m);
eina_matrix3_values_set( &m,
node->mImageInfo.mMatrix.m11, node->mImageInfo.mMatrix.m12, node->mImageInfo.mMatrix.m13,
node->mImageInfo.mMatrix.m21, node->mImageInfo.mMatrix.m22, node->mImageInfo.mMatrix.m23,
node->mImageInfo.mMatrix.m31, node->mImageInfo.mMatrix.m32, node->mImageInfo.mMatrix.m33);
efl_canvas_vg_node_transformation_set(image, &m);
efl_canvas_vg_image_data_set(image, node->mImageInfo.data, EINA_SIZE2D(node->mImageInfo.width, node->mImageInfo.height));
efl_gfx_color_set(image, node->mImageInfo.mAlpha, node->mImageInfo.mAlpha, node->mImageInfo.mAlpha, node->mImageInfo.mAlpha);
efl_gfx_entity_visible_set(image, EINA_TRUE);
continue;
}
char *key = _get_key_val(node);
Efl_Canvas_Vg_Shape *shape = efl_key_data_get(parent, key);
if (!shape)
{
shape = efl_add(EFL_CANVAS_VG_SHAPE_CLASS, parent);
efl_key_data_set(parent, key, shape);
}
else
{
efl_gfx_path_reset(shape);
//Layer order is mismatched!
if (eina_list_data_get(list) != shape)
efl_gfx_stack_raise_to_top(shape);
}
//Skip Invisible Stroke?
if (node->mStroke.enable && node->mStroke.width == 0)
{
efl_gfx_entity_visible_set(shape, EINA_FALSE);
continue;
}
const float *data = node->mPath.ptPtr;
if (!data) continue;
if (node->keypath) efl_key_data_set(shape, "_lot_node_name", node->keypath);
efl_gfx_entity_visible_set(shape, EINA_TRUE);
#if DEBUG
for (int i = 0; i < depth; i++) printf(" ");
printf("%s (%p) keypath : %s\n", efl_class_name_get(efl_class_get(shape)), shape, node->keypath);
#endif
//0: Path
efl_gfx_path_reserve(shape, node->mPath.elmCount, node->mPath.ptCount);
for (size_t i = 0; i < node->mPath.elmCount; i++)
{
switch (node->mPath.elmPtr[i])
{
case 0:
efl_gfx_path_append_move_to(shape, data[0], data[1]);
data += 2;
break;
case 1:
efl_gfx_path_append_line_to(shape, data[0], data[1]);
data += 2;
break;
case 2:
efl_gfx_path_append_cubic_to(shape, data[0], data[1], data[2], data[3], data[4], data[5]);
data += 6;
break;
case 3:
efl_gfx_path_append_close(shape);
break;
default:
ERR("No reserved path type = %d", node->mPath.elmPtr[i]);
}
}
//1: Stroke
if (node->mStroke.enable)
{
//Stroke Width
efl_gfx_shape_stroke_width_set(shape, node->mStroke.width);
//Stroke Cap
Efl_Gfx_Cap cap;
switch (node->mStroke.cap)
{
case CapFlat: cap = EFL_GFX_CAP_BUTT; break;
case CapSquare: cap = EFL_GFX_CAP_SQUARE; break;
case CapRound: cap = EFL_GFX_CAP_ROUND; break;
default: cap = EFL_GFX_CAP_BUTT; break;
}
efl_gfx_shape_stroke_cap_set(shape, cap);
//Stroke Join
Efl_Gfx_Join join;
switch (node->mStroke.join)
{
case JoinMiter: join = EFL_GFX_JOIN_MITER; break;
case JoinBevel: join = EFL_GFX_JOIN_BEVEL; break;
case JoinRound: join = EFL_GFX_JOIN_ROUND; break;
default: join = EFL_GFX_JOIN_MITER; break;
}
efl_gfx_shape_stroke_join_set(shape, join);
efl_gfx_shape_stroke_miterlimit_set(shape, node->mStroke.miterLimit);
//Stroke Dash
if (node->mStroke.dashArraySize > 0)
{
int size = (node->mStroke.dashArraySize / 2);
Efl_Gfx_Dash *dash = malloc(sizeof(Efl_Gfx_Dash) * size);
if (dash)
{
for (int i = 0; i <= size; i+=2)
{
dash[i].length = node->mStroke.dashArray[i];
dash[i].gap = node->mStroke.dashArray[i + 1];
}
efl_gfx_shape_stroke_dash_set(shape, dash, size);
free(dash);
}
}
}
//2: Fill Method
switch (node->mBrushType)
{
case BrushSolid:
{
float pa = ((float)node->mColor.a) / 255;
int r = (int)(((float) node->mColor.r) * pa);
int g = (int)(((float) node->mColor.g) * pa);
int b = (int)(((float) node->mColor.b) * pa);
int a = node->mColor.a;
if (node->mStroke.enable)
efl_gfx_shape_stroke_color_set(shape, r, g, b, a);
else
efl_gfx_color_set(shape, r, g, b, a);
}
break;
case BrushGradient:
{
Efl_Canvas_Vg_Gradient* grad = NULL;
if (node->mGradient.type == GradientLinear)
{
char *key = _get_key_val(shape);
grad = efl_key_data_get(shape, key);
if (!grad)
{
grad = efl_add(EFL_CANVAS_VG_GRADIENT_LINEAR_CLASS, parent);
efl_key_data_set(shape, key, grad);
}
efl_gfx_entity_visible_set(grad, EINA_TRUE);
efl_gfx_gradient_linear_start_set(grad, node->mGradient.start.x, node->mGradient.start.y);
efl_gfx_gradient_linear_end_set(grad, node->mGradient.end.x, node->mGradient.end.y);
}
else if (node->mGradient.type == GradientRadial)
{
char *key = _get_key_val(shape);
grad = efl_key_data_get(shape, key);
if (!grad)
{
grad = efl_add(EFL_CANVAS_VG_GRADIENT_RADIAL_CLASS, parent);
efl_key_data_set(shape, key, grad);
}
efl_gfx_entity_visible_set(grad, EINA_TRUE);
efl_gfx_gradient_radial_center_set(grad, node->mGradient.center.x, node->mGradient.center.y);
efl_gfx_gradient_radial_focal_set(grad, node->mGradient.focal.x, node->mGradient.focal.y);
efl_gfx_gradient_radial_radius_set(grad, node->mGradient.cradius);
}
else
ERR("No reserved gradient type = %d", node->mGradient.type);
if (grad)
{
//Gradient Stop
Efl_Gfx_Gradient_Stop* stops = malloc(sizeof(Efl_Gfx_Gradient_Stop) * node->mGradient.stopCount);
if (stops)
{
for (unsigned int i = 0; i < node->mGradient.stopCount; i++)
{
stops[i].offset = node->mGradient.stopPtr[i].pos;
float pa = ((float)node->mGradient.stopPtr[i].a) / 255;
stops[i].r = (int)(((float)node->mGradient.stopPtr[i].r) * pa);
stops[i].g = (int)(((float)node->mGradient.stopPtr[i].g) * pa);
stops[i].b = (int)(((float)node->mGradient.stopPtr[i].b) * pa);
stops[i].a = node->mGradient.stopPtr[i].a;
}
efl_gfx_gradient_stop_set(grad, stops, node->mGradient.stopCount);
free(stops);
}
if (node->mStroke.enable)
efl_canvas_vg_shape_stroke_fill_set(shape, grad);
else
efl_canvas_vg_shape_fill_set(shape, grad);
}
}
break;
default:
ERR("No reserved brush type = %d", node->mBrushType);
}
//3: Fill Rule
if (node->mFillRule == FillEvenOdd)
efl_gfx_shape_fill_rule_set(shape, EFL_GFX_FILL_RULE_ODD_EVEN);
else if (node->mFillRule == FillWinding)
efl_gfx_shape_fill_rule_set(shape, EFL_GFX_FILL_RULE_WINDING);
}
}
static void
_construct_mask_nodes(Efl_Canvas_Vg_Container *parent, LOTMask *mask, int depth EINA_UNUSED)
{
const float *data = mask->mPath.ptPtr;
if (!data) return;
char *key = _get_key_val(mask);
Efl_Canvas_Vg_Shape *shape = efl_key_data_get(parent, key);
if (!shape)
{
shape = efl_add(EFL_CANVAS_VG_SHAPE_CLASS, parent);
efl_key_data_set(parent, key, shape);
}
else
efl_gfx_path_reset(shape);
#if DEBUG
for (int i = 0; i < depth; i++) printf(" ");
printf("%s (%p)\n", efl_class_name_get(efl_class_get(shape)), shape);
#endif
efl_gfx_entity_visible_set(shape, EINA_TRUE);
efl_gfx_path_reserve(shape, mask->mPath.elmCount, mask->mPath.ptCount);
for (size_t i = 0; i < mask->mPath.elmCount; i++)
{
switch (mask->mPath.elmPtr[i])
{
case 0:
efl_gfx_path_append_move_to(shape, data[0], data[1]);
data += 2;
break;
case 1:
efl_gfx_path_append_line_to(shape, data[0], data[1]);
data += 2;
break;
case 2:
efl_gfx_path_append_cubic_to(shape, data[0], data[1], data[2], data[3], data[4], data[5]);
data += 6;
break;
case 3:
efl_gfx_path_append_close(shape);
break;
default:
ERR("No reserved path type = %d", mask->mPath.elmPtr[i]);
break;
}
}
//White color and alpha setting
float pa = ((float)mask->mAlpha) / 255;
int r = (int) (255.0f * pa);
int g = (int) (255.0f * pa);
int b = (int) (255.0f * pa);
int a = mask->mAlpha;
efl_gfx_color_set(shape, r, g, b, a);
}
static Efl_Canvas_Vg_Container*
_construct_masks(Efl_Canvas_Vg_Container *mtarget, LOTMask *masks, unsigned int mask_cnt, int depth)
{
char *key = NULL;
Efl_Canvas_Vg_Container *msource = NULL;
key = _get_key_val(mtarget);
msource = efl_key_data_get(mtarget, key);
if (!msource)
{
msource = efl_add(EFL_CANVAS_VG_CONTAINER_CLASS, mtarget);
efl_key_data_set(mtarget, key, msource);
}
efl_gfx_entity_visible_set(msource, EINA_TRUE);
#if DEBUG
for (int i = 0; i < depth; i++) printf(" ");
printf("%s (%p), base mask => %p\n", efl_class_name_get(efl_class_get(msource)), msource, mtarget);
depth++;
#endif
//FIXME : EFL_GFX_VG_COMPOSITE_METHOD_ALPHA option is temporary
//Currently matte alpha implements is same the mask intersect implement.
//It has been implemented as a multiplication calculation.
efl_canvas_vg_node_comp_method_set(mtarget, msource, EFL_GFX_VG_COMPOSITE_METHOD_MATTE_ALPHA);
mtarget = msource;
//Make mask layers
for (unsigned int i = 0; i < mask_cnt; i++)
{
LOTMask *mask = &masks[i];;
key = _get_key_val(mask);
msource = efl_key_data_get(mtarget, key);
if (!msource)
{
msource = efl_add(EFL_CANVAS_VG_CONTAINER_CLASS, mtarget);
efl_key_data_set(mtarget, key, msource);
}
efl_gfx_entity_visible_set(msource, EINA_TRUE);
#if DEBUG
for (int i = 0; i < depth; i++) printf(" ");
printf("%s (%p), real mask:%d => %p\n", efl_class_name_get(efl_class_get(msource)), msource, mask->mMode, mtarget);
#endif
_construct_mask_nodes(msource, mask, depth + 1);
Efl_Gfx_Vg_Composite_Method mask_mode;
switch (mask->mMode)
{
case MaskSubstract:
mask_mode = EFL_GFX_VG_COMPOSITE_METHOD_MASK_SUBSTRACT;
break;
case MaskIntersect:
mask_mode = EFL_GFX_VG_COMPOSITE_METHOD_MASK_INTERSECT;
break;
case MaskDifference:
mask_mode = EFL_GFX_VG_COMPOSITE_METHOD_MASK_DIFFERENCE;
break;
case MaskAdd:
default:
mask_mode = EFL_GFX_VG_COMPOSITE_METHOD_MASK_ADD;
break;
}
efl_canvas_vg_node_comp_method_set(mtarget, msource, mask_mode);
mtarget = msource;
}
return mtarget;
}
static void
_reset_vg_tree(Efl_VG *node)
{
//Hide all nodes visibility
if (efl_isa(node, EFL_CANVAS_VG_CONTAINER_CLASS))
{
Eina_List *list = (Eina_List*) efl_canvas_vg_container_children_direct_get(node);
Eina_List *list2;
Efl_VG* child;
EINA_LIST_FOREACH(list, list2, child)
_reset_vg_tree(child);
}
efl_gfx_entity_visible_set(node, EINA_FALSE);
}
static void
_update_vg_tree(Efl_Canvas_Vg_Container *root, const LOTLayerNode *layer, int depth EINA_UNUSED)
{
if (!layer->mVisible) return;
efl_gfx_entity_visible_set(root, EINA_TRUE);
efl_gfx_color_set(root, layer->mAlpha, layer->mAlpha, layer->mAlpha, layer->mAlpha);
//Don't need to update it anymore since its layer is invisible.
if (layer->mAlpha == 0) return;
Efl_Canvas_Vg_Container *ptree = NULL;
//Note: We assume that if matte is valid, next layer must be a matte source.
int matte_mode = 0;
Efl_Canvas_Vg_Container *mtarget = NULL;
LOTLayerNode *mlayer = NULL;
//Is this layer a container layer?
for (unsigned int i = 0; i < layer->mLayerList.size; i++)
{
LOTLayerNode *clayer = layer->mLayerList.ptr[i];
//Source Layer
char *key = _get_key_val(clayer);
Efl_Canvas_Vg_Container *ctree = efl_key_data_get(root, key);
if (!ctree)
{
ctree = efl_add(EFL_CANVAS_VG_CONTAINER_CLASS, root);
efl_key_data_set(root, key, ctree);
if (clayer->keypath) efl_key_data_set(ctree, "_lot_node_name", clayer->keypath);
}
#if DEBUG
for (int i = 0; i < depth; i++) printf(" ");
printf("%s (%p) matte:%d => %p %s\n", efl_class_name_get(efl_class_get(ctree)), ctree, matte_mode, ptree, clayer->keypath);
#endif
_update_vg_tree(ctree, clayer, depth+1);
if (matte_mode != 0)
{
efl_canvas_vg_node_comp_method_set(ptree, ctree, matte_mode);
mtarget = ctree;
}
matte_mode = (int) clayer->mMatte;
if (clayer->mMaskList.size > 0)
{
mlayer = clayer;
if (!mtarget) mtarget = ctree;
}
else
mtarget = NULL;
ptree = ctree;
//Remap Matte Mode
switch (matte_mode)
{
case MatteNone:
matte_mode = 0;
break;
case MatteAlpha:
matte_mode = EFL_GFX_VG_COMPOSITE_METHOD_MATTE_ALPHA;
break;
case MatteAlphaInv:
matte_mode = EFL_GFX_VG_COMPOSITE_METHOD_MATTE_ALPHA_INVERSE;
break;
case MatteLuma:
matte_mode = 0;
ERR("TODO: MatteLuma");
break;
case MatteLumaInv:
matte_mode = 0;
ERR("TODO: MatteLumaInv");
break;
default:
matte_mode = 0;
break;
}
//Construct node that have mask.
if (mlayer && mtarget)
ptree = _construct_masks(mtarget, mlayer->mMaskList.ptr, mlayer->mMaskList.size, depth + 1);
}
//Construct drawable nodes.
if (layer->mNodeList.size > 0)
_construct_drawable_nodes(root, layer, depth);
}
#endif
#ifdef BUILD_VG_LOADER_JSON
void
_value_provider_override(Vg_File_Data *vfd)
{
Lottie_Animation *lot_anim = (Lottie_Animation *) vfd->loader_data;
Eina_List *l;
Efl_Gfx_Vg_Value_Provider *vp;
EINA_LIST_FOREACH(vfd->vp_list, l, vp)
{
const char *keypath;
Efl_Gfx_Vg_Value_Provider_Flags flag;
flag = efl_gfx_vg_value_provider_updated_get(vp);
if (flag & EFL_GFX_VG_VALUE_PROVIDER_FLAGS_FILL_COLOR)
{
int r, g, b, a;
r = g = b = a = 0;
efl_gfx_vg_value_provider_fill_color_get(vp, &r, &g, &b, &a);
keypath = efl_gfx_vg_value_provider_keypath_get(vp);
lottie_animation_property_override(lot_anim, LOTTIE_ANIMATION_PROPERTY_FILLCOLOR, (char*)keypath, r / 255.0, g / 255.0, b / 255.0);
lottie_animation_property_override(lot_anim, LOTTIE_ANIMATION_PROPERTY_FILLOPACITY, (char*)keypath, (a / 255.0) * 100.0);
}
if (flag & EFL_GFX_VG_VALUE_PROVIDER_FLAGS_STROKE_COLOR)
{
int r, g, b, a;
r = g = b = a = 0;
efl_gfx_vg_value_provider_stroke_color_get(vp, &r, &g, &b, &a);
keypath = efl_gfx_vg_value_provider_keypath_get(vp);
lottie_animation_property_override(lot_anim, LOTTIE_ANIMATION_PROPERTY_STROKECOLOR, (char*)keypath, r / 255.0, g / 255.0, b / 255.0);
lottie_animation_property_override(lot_anim, LOTTIE_ANIMATION_PROPERTY_STROKEOPACITY, (char*)keypath, (a / 255.0) * 100.0);
}
if (flag & EFL_GFX_VG_VALUE_PROVIDER_FLAGS_STROKE_WIDTH)
{
double w;
w = efl_gfx_vg_value_provider_stroke_width_get(vp);
keypath = efl_gfx_vg_value_provider_keypath_get(vp);
lottie_animation_property_override(lot_anim, LOTTIE_ANIMATION_PROPERTY_STROKEWIDTH, (char*)keypath, w);
}
if (flag & EFL_GFX_VG_VALUE_PROVIDER_FLAGS_TRANSFORM_MATRIX)
{
Eina_Matrix4 m, *orig_m;
double tx, ty, sx, sy, radian_z, si, cs;
orig_m = efl_gfx_vg_value_provider_transform_get(vp);
if (!orig_m) continue;
/*
* NOTE: We need to impelements 3-axis transform.
* now lottie animation provide z projection transform.
* In this cace, we calcuate to T * R * S order.
*/
eina_matrix4_copy(&m, orig_m);
keypath = efl_gfx_vg_value_provider_keypath_get(vp);
// Calc Translate
eina_matrix4_values_get(&m, NULL, NULL, NULL, &tx,
NULL, NULL, NULL, &ty,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL);
eina_matrix4_translate(&m, -1 * tx, -1 * ty, 0);
// Calc Rotate
eina_matrix4_values_get(&m, &cs, NULL, NULL, NULL,
&si, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL);
radian_z = atan2(si, cs);
eina_matrix4_rotate(&m, -1 * radian_z, EINA_MATRIX_AXIS_Z);
// Calc Scale
eina_matrix4_values_get(&m, &sx, NULL, NULL, NULL,
NULL, &sy, NULL, NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL);
lottie_animation_property_override(lot_anim, LOTTIE_ANIMATION_PROPERTY_TR_SCALE, (char*)keypath, 100.0 * sx, 100.0 * sy);
lottie_animation_property_override(lot_anim, LOTTIE_ANIMATION_PROPERTY_TR_ROTATION, (char*)keypath, radian_z * (180.0 / M_PI));
lottie_animation_property_override(lot_anim, LOTTIE_ANIMATION_PROPERTY_TR_POSITION, (char*)keypath, tx, ty);
}
}
}
#endif
Eina_Bool
vg_common_json_create_vg_node(Vg_File_Data *vfd)
{
#ifdef BUILD_VG_LOADER_JSON
Lottie_Animation *lot_anim = (Lottie_Animation *) vfd->loader_data;
if (!lot_anim) return EINA_FALSE;
if (vfd->vp_list) _value_provider_override(vfd);
unsigned int frame_num = (vfd->anim_data) ? vfd->anim_data->frame_num : 0;
const LOTLayerNode *tree =
lottie_animation_render_tree(lot_anim, frame_num,
vfd->view_box.w, vfd->view_box.h);
//Root node
Efl_Canvas_Vg_Container *root = vfd->root;
if (!root)
{
root = efl_add_ref(EFL_CANVAS_VG_CONTAINER_CLASS, NULL);
if (!root) return EINA_FALSE;
efl_key_data_set(root, _get_key_val((void *) tree), tree);
if (tree->keypath) efl_key_data_set(root, "_lot_node_name", tree->keypath);
vfd->root = root;
}
else _reset_vg_tree(root);
#if DEBUG
printf("%s (%p)\n", efl_class_name_get(efl_class_get(vfd->root)), vfd->root);
#endif
_update_vg_tree(root, tree, 1);
#else
return EINA_FALSE;
#endif
return EINA_TRUE;
}