static void SVG_Draw_bitmap(GF_TraverseState *tr_state)
{
DrawableContext *ctx = tr_state->ctx;
if (!tr_state->visual->DrawBitmap(tr_state->visual, tr_state, ctx, NULL)) {
visual_2d_texture_path(tr_state->visual, ctx->drawable->path, ctx, tr_state);
}
}
static void layer3d_draw_2d(GF_Node *node, GF_TraverseState *tr_state)
{
DrawableContext *ctx = tr_state->ctx;
if (tr_state->visual->DrawBitmap(tr_state->visual, tr_state, ctx, NULL))
return;
visual_2d_texture_path(tr_state->visual, ctx->drawable->path, ctx, tr_state);
}
void group_cache_draw(GroupCache *cache, GF_TraverseState *tr_state)
{
GF_TextureHandler *old_txh = tr_state->ctx->aspect.fill_texture;
/*switch the texture to our offscreen cache*/
tr_state->ctx->aspect.fill_texture = &cache->txh;
if (! tr_state->visual->DrawBitmap(tr_state->visual, tr_state, tr_state->ctx, NULL)) {
visual_2d_texture_path(tr_state->visual, cache->drawable->path, tr_state->ctx, tr_state);
}
tr_state->ctx->aspect.fill_texture = old_txh;
}
static void DrawBackground2D_2D(DrawableContext *ctx, GF_TraverseState *tr_state)
{
Background2DStack *stack;
if (!ctx || !ctx->drawable || !ctx->drawable->node) return;
stack = (Background2DStack *) gf_node_get_private(ctx->drawable->node);
if (!ctx->bi->clip.width || !ctx->bi->clip.height) return;
stack->flags &= ~CTX_PATH_FILLED;
if (back_use_texture((M_Background2D *)ctx->drawable->node)) {
if (!tr_state->visual->DrawBitmap(tr_state->visual, tr_state, ctx, NULL)) {
/*set target rect*/
gf_path_reset(stack->drawable->path);
gf_path_add_rect_center(stack->drawable->path,
ctx->bi->unclip.x + ctx->bi->unclip.width/2,
ctx->bi->unclip.y - ctx->bi->unclip.height/2,
ctx->bi->unclip.width, ctx->bi->unclip.height);
/*draw texture*/
visual_2d_texture_path(tr_state->visual, stack->drawable->path, ctx, tr_state);
}
stack->flags &= ~(CTX_APP_DIRTY | CTX_TEXTURE_DIRTY);
} else {
/*direct drawing, draw without clippers */
if (tr_state->immediate_draw) {
/*directly clear with specified color*/
tr_state->visual->ClearSurface(tr_state->visual, &ctx->bi->clip, ctx->aspect.fill_color);
} else {
u32 i;
GF_IRect clip;
for (i=0; i<tr_state->visual->to_redraw.count; i++) {
/*there's an opaque region above, don't draw*/
#ifdef TRACK_OPAQUE_REGIONS
if (tr_state->visual->draw_node_index<tr_state->visual->to_redraw.opaque_node_index[i]) continue;
#endif
clip = ctx->bi->clip;
gf_irect_intersect(&clip, &tr_state->visual->to_redraw.list[i]);
if (clip.width && clip.height) {
tr_state->visual->ClearSurface(tr_state->visual, &clip, ctx->aspect.fill_color);
}
}
}
stack->flags &= ~(CTX_APP_DIRTY | CTX_TEXTURE_DIRTY);
}
tr_state->visual->has_modif = 1;
}
static void compositor_2d_draw_rectangle(GF_TraverseState *tr_state)
{
DrawableContext *ctx = tr_state->ctx;
if (ctx->aspect.fill_texture && ctx->aspect.fill_texture->data
#ifndef GPAC_DISABLE_3D
&& !tr_state->visual->compositor->hybrid_opengl
#endif
) {
Bool res;
/*get image size WITHOUT line size or antialias margin*/
if ( !(ctx->flags & CTX_NO_ANTIALIAS) ) {
GF_Rect orig_unclip;
GF_IRect orig_clip;
orig_unclip = ctx->bi->unclip;
orig_clip = ctx->bi->clip;
gf_path_get_bounds(ctx->drawable->path, &ctx->bi->unclip);
gf_mx2d_apply_rect(&ctx->transform, &ctx->bi->unclip);
ctx->bi->clip = gf_rect_pixelize(&ctx->bi->unclip);
gf_irect_intersect(&ctx->bi->clip, &orig_clip);
res = tr_state->visual->DrawBitmap(tr_state->visual, tr_state, ctx, NULL);
/*strike path*/
ctx->bi->unclip = orig_unclip;
ctx->bi->clip = orig_clip;
if (res) {
ctx->flags |= CTX_PATH_FILLED;
visual_2d_draw_path(tr_state->visual, ctx->drawable->path, ctx, NULL, NULL, tr_state);
}
} else {
res = tr_state->visual->DrawBitmap(tr_state->visual, tr_state, ctx, NULL);
}
/*if failure retry with raster*/
if (res) return;
}
visual_2d_texture_path(tr_state->visual, ctx->drawable->path, ctx, tr_state);
visual_2d_draw_path(tr_state->visual, ctx->drawable->path, ctx, NULL, NULL, tr_state);
}
static void svg_traverse_filter(GF_Node *node, void *rs, Bool is_destroy)
{
GF_TraverseState *tr_state = (GF_TraverseState *)rs;
GF_FilterStack *st = gf_node_get_private(node);
if (is_destroy) {
drawable_del(st->drawable);
if (st->data) gf_free(st->data);
st->txh.data = NULL;
gf_sc_texture_release(&st->txh);
gf_sc_texture_destroy(&st->txh);
gf_free(st);
return;
}
if (tr_state->traversing_mode==TRAVERSE_DRAW_2D) {
if (! tr_state->visual->DrawBitmap(tr_state->visual, tr_state, tr_state->ctx, NULL)) {
visual_2d_texture_path(tr_state->visual, st->drawable->path, tr_state->ctx, tr_state);
}
}
}
void group_cache_draw(GroupCache *cache, GF_TraverseState *tr_state)
{
GF_TextureHandler *old_txh = tr_state->ctx->aspect.fill_texture;
/*switch the texture to our offscreen cache*/
tr_state->ctx->aspect.fill_texture = &cache->txh;
#ifndef GPAC_DISABLE_3D
if (tr_state->traversing_mode == TRAVERSE_DRAW_3D) {
if (!cache->drawable->mesh) {
cache->drawable->mesh = new_mesh();
}
mesh_from_path(cache->drawable->mesh, cache->drawable->path);
visual_3d_draw_2d(cache->drawable, tr_state);
return;
}
#endif
if (! tr_state->visual->DrawBitmap(tr_state->visual, tr_state, tr_state->ctx, NULL)) {
visual_2d_texture_path(tr_state->visual, cache->drawable->path, tr_state->ctx, tr_state);
}
tr_state->ctx->aspect.fill_texture = old_txh;
}
static void DrawBackground2D_2D(DrawableContext *ctx, GF_TraverseState *tr_state)
{
Bool clear_all = GF_TRUE;
u32 color;
Bool use_texture;
Bool is_offscreen = GF_FALSE;
Background2DStack *stack;
if (!ctx || !ctx->drawable || !ctx->drawable->node) return;
stack = (Background2DStack *) gf_node_get_private(ctx->drawable->node);
if (!ctx->bi->clip.width || !ctx->bi->clip.height) return;
stack->flags &= ~CTX_PATH_FILLED;
color = ctx->aspect.fill_color;
use_texture = back_use_texture((M_Background2D *)ctx->drawable->node);
if (!use_texture && !tr_state->visual->is_attached) {
use_texture = 1;
stack->txh.data = stack->col_tx;
stack->txh.width = 2;
stack->txh.height = 2;
stack->txh.stride = 6;
stack->txh.pixelformat = GF_PIXEL_RGB_24;
}
if (use_texture) {
if (!tr_state->visual->DrawBitmap(tr_state->visual, tr_state, ctx)) {
/*set target rect*/
gf_path_reset(stack->drawable->path);
gf_path_add_rect_center(stack->drawable->path,
ctx->bi->unclip.x + ctx->bi->unclip.width/2,
ctx->bi->unclip.y - ctx->bi->unclip.height/2,
ctx->bi->unclip.width, ctx->bi->unclip.height);
/*draw texture*/
visual_2d_texture_path(tr_state->visual, stack->drawable->path, ctx, tr_state);
}
//a quick hack, if texture not ready return (we don't have direct notification of this through the above functions
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->compositor->hybrid_opengl && !stack->txh.tx_io)
return;
#endif
stack->flags &= ~(CTX_APP_DIRTY | CTX_TEXTURE_DIRTY);
tr_state->visual->has_modif = 1;
#ifndef GPAC_DISABLE_3D
//in opengl auto mode we still have to clear the canvas
if (!tr_state->immediate_draw && !tr_state->visual->offscreen && tr_state->visual->compositor->hybrid_opengl) {
clear_all = GF_FALSE;
is_offscreen = GF_TRUE;
color &= 0x00FFFFFF;
} else
#endif
return;
}
#ifndef GPAC_DISABLE_3D
if (ctx->flags & CTX_BACKROUND_NOT_LAYER) {
if (clear_all && !tr_state->visual->offscreen && tr_state->visual->compositor->hybrid_opengl) {
compositor_2d_hybgl_clear_surface(tr_state->visual, NULL, color, GF_FALSE);
is_offscreen = GF_TRUE;
color &= 0x00FFFFFF;
//we may need to clear the canvas for immediate mode
}
} else {
is_offscreen = GF_TRUE;
}
#endif
/*direct drawing, draw without clippers */
if (tr_state->immediate_draw
) {
/*directly clear with specified color*/
if (clear_all)
tr_state->visual->ClearSurface(tr_state->visual, &ctx->bi->clip, color, is_offscreen);
} else {
u32 i;
GF_IRect clip;
for (i=0; i<tr_state->visual->to_redraw.count; i++) {
/*there's an opaque region above, don't draw*/
#ifdef TRACK_OPAQUE_REGIONS
if (tr_state->visual->draw_node_index < tr_state->visual->to_redraw.list[i].opaque_node_index) continue;
#endif
clip = ctx->bi->clip;
gf_irect_intersect(&clip, &tr_state->visual->to_redraw.list[i].rect);
if (clip.width && clip.height) {
tr_state->visual->ClearSurface(tr_state->visual, &clip, color, is_offscreen);
}
}
}
stack->flags &= ~(CTX_APP_DIRTY | CTX_TEXTURE_DIRTY);
tr_state->visual->has_modif = 1;
}
static void IFS2D_Draw(GF_Node *node, GF_TraverseState *tr_state)
{
u32 i, count, ci_count;
u32 j, ind_col, num_col;
SFVec2f center, end;
SFColor col_cen;
GF_STENCIL grad;
u32 *colors;
GF_Path *path;
SFVec2f start;
SFVec2f *pts;
SFColor col;
Fixed alpha;
GF_Raster2D *raster;
DrawableContext *ctx = tr_state->ctx;
M_IndexedFaceSet2D *ifs2D = (M_IndexedFaceSet2D *)node;
M_Coordinate2D *coord = (M_Coordinate2D*) ifs2D->coord;
M_Color *color = (M_Color *) ifs2D->color;
col.red = col.green = col.blue = 0;
/*simple case, no color specified*/
if (!ifs2D->color) {
visual_2d_texture_path(tr_state->visual, ctx->drawable->path, ctx, tr_state);
visual_2d_draw_path(tr_state->visual, ctx->drawable->path, ctx, NULL, NULL, tr_state);
return;
}
/*if default face use first color*/
ci_count = ifs2D->coordIndex.count;
pts = coord->point.vals;
if (ci_count == 0) {
col = (ifs2D->colorIndex.count > 0) ? color->color.vals[ifs2D->colorIndex.vals[0]] : color->color.vals[0];
alpha = INT2FIX(GF_COL_A(ctx->aspect.fill_color)) / 255;
if (!alpha || !ctx->aspect.pen_props.width) {
alpha = INT2FIX(GF_COL_A(ctx->aspect.line_color)) / 255;
ctx->aspect.line_color = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
} else {
ctx->aspect.fill_color = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
}
visual_2d_texture_path(tr_state->visual, ctx->drawable->path, ctx, tr_state);
visual_2d_draw_path(tr_state->visual, ctx->drawable->path, ctx, NULL, NULL, tr_state);
return;
}
/*we have color per faces so we need N path :(*/
if (! ifs2D->colorPerVertex) {
path = gf_path_new();
count = 0;
i = 0;
while (1) {
gf_path_reset(path);
start = pts[ifs2D->coordIndex.vals[i]];
gf_path_add_move_to(path, start.x, start.y);
i++;
while (ifs2D->coordIndex.vals[i] != -1) {
start = pts[ifs2D->coordIndex.vals[i]];
gf_path_add_line_to(path, start.x, start.y);
i++;
if (i >= ci_count) break;
}
/*close in ALL cases because even if the start/end points are the same the line join needs to be present*/
gf_path_close(path);
col = (ifs2D->colorIndex.count > 0) ? color->color.vals[ifs2D->colorIndex.vals[count]] : color->color.vals[count];
alpha = INT2FIX(GF_COL_A(ctx->aspect.fill_color)) / 255;
if (!alpha) {
alpha = INT2FIX(GF_COL_A(ctx->aspect.line_color)) / 255;
ctx->aspect.line_color = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
} else {
ctx->aspect.fill_color = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
}
visual_2d_texture_path(tr_state->visual, path, ctx, tr_state);
visual_2d_draw_path(tr_state->visual, path, ctx, NULL, NULL, tr_state);
count++;
i++;
if (i >= ci_count) break;
ctx->flags &= ~CTX_PATH_FILLED;
ctx->flags &= ~CTX_PATH_STROKE;
}
gf_path_del(path);
return;
}
/*final case, color per vertex means gradient fill/strike*/
raster = tr_state->visual->compositor->rasterizer;
grad = raster->stencil_new(raster, GF_STENCIL_VERTEX_GRADIENT);
/*not supported, fill default*/
if (!grad) {
visual_2d_texture_path(tr_state->visual, ctx->drawable->path, ctx, tr_state);
visual_2d_draw_path(tr_state->visual, ctx->drawable->path, ctx, NULL, NULL, tr_state);
return;
}
path = gf_path_new();
ind_col = 0;
i = 0;
while (1) {
gf_path_reset(path);
start = pts[ifs2D->coordIndex.vals[i]];
center = start;
gf_path_add_move_to(path, start.x, start.y);
num_col = 1;
i+=1;
while (ifs2D->coordIndex.vals[i] != -1) {
end = pts[ifs2D->coordIndex.vals[i]];
gf_path_add_line_to(path, end.x, end.y);
i++;
center.x += end.x;
center.y += end.y;
num_col ++;
if (i >= ci_count) break;
}
gf_path_close(path);
num_col++;
alpha = INT2FIX(GF_COL_A(ctx->aspect.fill_color) ) / 255;
colors = (u32*)gf_malloc(sizeof(u32) * num_col);
col_cen.blue = col_cen.red = col_cen.green = 0;
for (j=0; j<num_col-1; j++) {
if (ifs2D->colorIndex.count > ind_col + j) {
col = color->color.vals[ifs2D->colorIndex.vals[ind_col + j]];
} else if (ci_count > ind_col + j) {
col = color->color.vals[ifs2D->coordIndex.vals[ind_col + j]];
}
colors[j] = GF_COL_ARGB_FIXED(alpha, col.red, col.green, col.blue);
col_cen.blue += col.blue;
col_cen.green += col.green;
col_cen.red += col.red;
}
colors[num_col-1] = colors[0];
if (ifs2D->colorIndex.count > ind_col) {
col = color->color.vals[ifs2D->colorIndex.vals[ind_col]];
} else if (ci_count > ind_col) {
col = color->color.vals[ifs2D->coordIndex.vals[ind_col]];
}
col_cen.blue += col.blue;
col_cen.green += col.green;
col_cen.red += col.red;
raster->stencil_set_vertex_path(grad, path);
raster->stencil_set_vertex_colors(grad, colors, num_col);
gf_free(colors);
col_cen.blue /= num_col;
col_cen.green /= num_col;
col_cen.red /= num_col;
center.x /= num_col;
center.y /= num_col;
raster->stencil_set_vertex_center(grad, center.x, center.y, GF_COL_ARGB_FIXED(alpha, col_cen.red, col_cen.green, col_cen.blue) );
raster->stencil_set_matrix(grad, &ctx->transform);
/*draw*/
visual_2d_draw_path(tr_state->visual, ctx->drawable->path, ctx, grad, grad, tr_state);
raster->stencil_delete(grad);
//goto next point
i++;
ind_col += num_col + 1;
if (i >= ci_count) break;
grad = raster->stencil_new(raster, GF_STENCIL_VERTEX_GRADIENT);
ctx->flags &= ~CTX_PATH_FILLED;
ctx->flags &= ~CTX_PATH_STROKE;
}
gf_path_del(path);
}
