static void visual_2d_draw_gradient(GF_VisualManager *visual, GF_Path *path, GF_TextureHandler *txh, struct _drawable_context *ctx, GF_TraverseState *tr_state, GF_Matrix2D *ext_mx, GF_Rect *orig_bounds) { GF_Rect rc; GF_STENCIL stencil; GF_Matrix2D g_mat; GF_Raster2D *raster = visual->compositor->rasterizer; if (!txh) txh = ctx->aspect.fill_texture; gf_path_get_bounds(path, &rc); if (!rc.width || !rc.height || !txh->tx_io) return; if (orig_bounds) { txh->compute_gradient_matrix(txh, orig_bounds, &g_mat, 0); } else { txh->compute_gradient_matrix(txh, &rc, &g_mat, 0); } stencil = gf_sc_texture_get_stencil(txh); if (!stencil) return; #ifndef GPAC_DISABLE_VRML if (ctx->flags & CTX_HAS_APPEARANCE) { GF_Matrix2D txt_mat; visual_2d_get_texture_transform(ctx->appear, txh, &txt_mat, (txh == ctx->aspect.fill_texture) ? 0 : 1, INT2FIX(txh->width), INT2FIX(txh->height)); gf_mx2d_add_matrix(&g_mat, &txt_mat); } #endif /*move to bottom-left corner of bounds */ if (ext_mx) gf_mx2d_add_matrix(&g_mat, ext_mx); if (orig_bounds) gf_mx2d_add_translation(&g_mat, (orig_bounds->x), (orig_bounds->y - orig_bounds->height)); gf_mx2d_add_matrix(&g_mat, &ctx->transform); raster->stencil_set_matrix(stencil, &g_mat); raster->stencil_set_color_matrix(stencil, ctx->col_mat); /*MPEG-4/VRML context or no fill info*/ if (ctx->flags & CTX_HAS_APPEARANCE || !ctx->aspect.fill_color) raster->stencil_set_alpha(stencil, 0xFF); else raster->stencil_set_alpha(stencil, GF_COL_A(ctx->aspect.fill_color) ); raster->surface_set_matrix(visual->raster_surface, &ctx->transform); txh->flags |= GF_SR_TEXTURE_USED; raster->surface_set_path(visual->raster_surface, path); visual_2d_fill_path(visual, ctx, stencil, tr_state, 0); raster->surface_set_path(visual->raster_surface, NULL); ctx->flags |= CTX_PATH_FILLED; }
void visual_2d_texture_path_extended(GF_VisualManager *visual, GF_Path *path, GF_TextureHandler *txh, struct _drawable_context *ctx, GF_Rect *orig_bounds, GF_Matrix2D *ext_mx, GF_TraverseState *tr_state) { Fixed sS, sT; u32 tx_tile; GF_STENCIL tx_raster; GF_Matrix2D mx_texture; GF_Rect orig_rc; GF_Raster2D *raster; if (! visual->CheckAttached(visual) ) return; raster = visual->compositor->rasterizer; if (!txh) txh = ctx->aspect.fill_texture; if (!txh) return; if (!txh->tx_io) { gf_node_dirty_set(txh->owner, 0, 1); txh->needs_refresh=1; return; } /*this is gradient draw*/ if (txh->compute_gradient_matrix) { visual_2d_draw_gradient(visual, path, txh, ctx, tr_state, ext_mx, orig_bounds); return; } #ifndef GPAC_DISABLE_3D if (visual->compositor->hybrid_opengl) { visual_2d_texture_path_opengl_auto(visual, path, txh, ctx, orig_bounds, ext_mx, tr_state); return; } #endif if (txh->flags & GF_SR_TEXTURE_PRIVATE_MEDIA) { GF_Window src, dst; visual_2d_fill_path(visual, ctx, NULL, tr_state, 0); /*if texture not ready, update the size before computing output rectangles */ if (!txh->width || !txh->height) { gf_mo_get_visual_info(txh->stream, &txh->width, &txh->height, &txh->stride, &txh->pixel_ar, &txh->pixelformat, &txh->is_flipped); /*in case the node is an MPEG-4 bitmap, force stack rebuild at next frame */ gf_node_dirty_set(ctx->drawable->node, GF_SG_NODE_DIRTY, 1); } if (compositor_texture_rectangles(visual, txh, &ctx->bi->clip, &ctx->bi->unclip, &src, &dst, NULL, NULL)) { if (txh->stream && gf_mo_set_position(txh->stream, &src, &dst)) { gf_mo_get_visual_info(txh->stream, &txh->width, &txh->height, &txh->stride, &txh->pixel_ar, &txh->pixelformat, &txh->is_flipped); /*force dirty flag to get called again*/ gf_node_dirty_set(ctx->drawable->node, GF_SG_NODE_DIRTY, 1); gf_sc_next_frame_state(visual->compositor, GF_SC_DRAW_FRAME); } } return; } if (!gf_sc_texture_push_image(txh, 0, 1)) return; tx_raster = gf_sc_texture_get_stencil(txh); /*setup quality even for background (since quality concerns images)*/ visual_2d_set_options(visual->compositor, visual->raster_surface, ctx->flags & CTX_IS_TEXT, ctx->flags & CTX_NO_ANTIALIAS); /*get original bounds*/ if (orig_bounds) { orig_rc = *orig_bounds; } else { gf_path_get_bounds(path, &orig_rc); } /*get scaling ratio so that active texture view is stretched to original bounds (std 2D shape texture mapping in MPEG4)*/ sS = orig_rc.width / txh->width; sT = orig_rc.height / txh->height; gf_mx2d_init(mx_texture); gf_mx2d_add_scale(&mx_texture, sS, sT); #ifndef GPAC_DISABLE_VRML /*apply texture transform*/ if (ctx->flags & CTX_HAS_APPEARANCE) { GF_Matrix2D tex_trans; visual_2d_get_texture_transform(ctx->appear, txh, &tex_trans, (txh == ctx->aspect.fill_texture) ? 0 : 1, txh->width * sS, txh->height * sT); gf_mx2d_add_matrix(&mx_texture, &tex_trans); } #endif /*move to bottom-left corner of bounds */ gf_mx2d_add_translation(&mx_texture, (orig_rc.x), (orig_rc.y - orig_rc.height)); if (ext_mx) gf_mx2d_add_matrix(&mx_texture, ext_mx); /*move to final coordinate system (except background which is built directly in final coord system)*/ if (!(ctx->flags & CTX_IS_BACKGROUND) ) gf_mx2d_add_matrix(&mx_texture, &ctx->transform); /*set path transform*/ raster->stencil_set_matrix(tx_raster, &mx_texture); tx_tile = 0; if (txh->flags & GF_SR_TEXTURE_REPEAT_S) tx_tile |= GF_TEXTURE_REPEAT_S; if (txh->flags & GF_SR_TEXTURE_REPEAT_T) tx_tile |= GF_TEXTURE_REPEAT_T; if (ctx->flags & CTX_FLIPED_COORDS) tx_tile |= GF_TEXTURE_FLIP; raster->stencil_set_tiling(tx_raster, (GF_TextureTiling) tx_tile); if (!(ctx->flags & CTX_IS_BACKGROUND) ) { u8 a = GF_COL_A(ctx->aspect.fill_color); if (!a) a = GF_COL_A(ctx->aspect.line_color); /*texture alpha scale is the original material transparency, NOT the one after color transform*/ raster->stencil_set_alpha(tx_raster, a ); raster->stencil_set_color_matrix(tx_raster, ctx->col_mat); raster->surface_set_matrix(visual->raster_surface, &ctx->transform); } else { raster->surface_set_matrix(visual->raster_surface, NULL); } txh->flags |= GF_SR_TEXTURE_USED; /*push path & draw*/ raster->surface_set_path(visual->raster_surface, path); visual_2d_fill_path(visual, ctx, tx_raster, tr_state, 0); raster->surface_set_path(visual->raster_surface, NULL); ctx->flags |= CTX_PATH_FILLED; }
void visual_2d_texture_path_text(GF_VisualManager *visual, DrawableContext *txt_ctx, GF_Path *path, GF_Rect *object_bounds, GF_TextureHandler *txh, GF_TraverseState *tr_state) { GF_STENCIL stencil; Fixed sS, sT; GF_Matrix2D gf_mx2d_txt; GF_Rect orig_rc; u8 alpha, r, g, b; GF_ColorMatrix cmat; GF_Raster2D *raster; if (! visual->CheckAttached(visual) ) return; raster = visual->compositor->rasterizer; stencil = gf_sc_texture_get_stencil(txh); if (!stencil) return; visual_2d_set_options(visual->compositor, visual->raster_surface, 0, 1); /*get original bounds*/ orig_rc = *object_bounds; /*get scaling ratio so that active texture view is stretched to original bounds (std 2D shape texture mapping in MPEG4)*/ sS = gf_divfix(orig_rc.width, INT2FIX(txh->width)); sT = gf_divfix(orig_rc.height, INT2FIX(txh->height)); gf_mx2d_init(gf_mx2d_txt); gf_mx2d_add_scale(&gf_mx2d_txt, sS, sT); /*move to bottom-left corner of bounds */ gf_mx2d_add_translation(&gf_mx2d_txt, (orig_rc.x), (orig_rc.y - orig_rc.height)); /*move to final coordinate system*/ gf_mx2d_add_matrix(&gf_mx2d_txt, &txt_ctx->transform); /*set path transform, except for background2D node which is directly build in the final coord system*/ raster->stencil_set_matrix(stencil, &gf_mx2d_txt); alpha = GF_COL_A(txt_ctx->aspect.fill_color); r = GF_COL_R(txt_ctx->aspect.fill_color); g = GF_COL_G(txt_ctx->aspect.fill_color); b = GF_COL_B(txt_ctx->aspect.fill_color); /*if col do a cxmatrix*/ if (!r && !g && !b) { raster->stencil_set_alpha(stencil, alpha); } else { raster->stencil_set_alpha(stencil, 0xFF); memset(cmat.m, 0, sizeof(Fixed) * 20); cmat.m[4] = INT2FIX(r)/255; cmat.m[9] = INT2FIX(g)/255; cmat.m[14] = INT2FIX(b)/255; cmat.m[18] = INT2FIX(alpha)/255; cmat.identity = 0; raster->stencil_set_color_matrix(stencil, &cmat); } raster->surface_set_matrix(visual->raster_surface, &txt_ctx->transform); txh->flags |= GF_SR_TEXTURE_USED; /*push path*/ raster->surface_set_path(visual->raster_surface, path); visual_2d_fill_path(visual, txt_ctx, stencil, tr_state, 0); raster->surface_set_path(visual->raster_surface, NULL); txt_ctx->flags |= CTX_PATH_FILLED; }