diff options
Diffstat (limited to 'modules/svg/image_loader_svg.cpp')
| -rw-r--r-- | modules/svg/image_loader_svg.cpp | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/modules/svg/image_loader_svg.cpp b/modules/svg/image_loader_svg.cpp new file mode 100644 index 0000000000..cc801775b8 --- /dev/null +++ b/modules/svg/image_loader_svg.cpp @@ -0,0 +1,107 @@ +/*************************************************************************/ +/* image_loader_svg.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* http://www.godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ +#include "image_loader_svg.h" + +#include "os/os.h" +#include "print_string.h" + +#include <ustring.h> + +void SVGRasterizer::rasterize(NSVGimage *p_image, float p_tx, float p_ty, float p_scale, unsigned char *p_dst, int p_w, int p_h, int p_stride) { + nsvgRasterize(rasterizer, p_image, p_tx, p_ty, p_scale, p_dst, p_w, p_h, p_stride); +} + +SVGRasterizer::SVGRasterizer() { + rasterizer = nsvgCreateRasterizer(); +} +SVGRasterizer::~SVGRasterizer() { + nsvgDeleteRasterizer(rasterizer); +} + +SVGRasterizer ImageLoaderSVG::rasterizer; + +Error ImageLoaderSVG::_create_image(Ref<Image> p_image, const PoolVector<uint8_t> *p_data, float p_scale) { + NSVGimage *svg_image; + PoolVector<uint8_t>::Read src_r = p_data->read(); + svg_image = nsvgParse((char *)src_r.ptr(), "px", 96); + if (svg_image == NULL) { + ERR_PRINT("SVG Corrupted"); + return ERR_FILE_CORRUPT; + } + int w = (int)(svg_image->width * p_scale); + int h = (int)(svg_image->height * p_scale); + + PoolVector<uint8_t> dst_image; + dst_image.resize(w * h * 4); + + PoolVector<uint8_t>::Write dw = dst_image.write(); + + rasterizer.rasterize(svg_image, 0, 0, p_scale, (unsigned char *)dw.ptr(), w, h, w * 4); + + dw = PoolVector<uint8_t>::Write(); + p_image->create(w, h, false, Image::FORMAT_RGBA8, dst_image); + if (upsample) + p_image->shrink_x2(); + + nsvgDelete(svg_image); + + return OK; +} + +Error ImageLoaderSVG::create_image_from_string(Ref<Image> p_image, const char *svg_str, float p_scale) { + + size_t str_len = strlen(svg_str); + PoolVector<uint8_t> src_data; + src_data.resize(str_len); + PoolVector<uint8_t>::Write src_w = src_data.write(); + memcpy(src_w.ptr(), svg_str, str_len); + + return _create_image(p_image, &src_data, p_scale); +} + +Error ImageLoaderSVG::load_image(Ref<Image> p_image, FileAccess *f, bool p_force_linear, float p_scale) { + + uint32_t size = f->get_len(); + PoolVector<uint8_t> src_image; + src_image.resize(size); + PoolVector<uint8_t>::Write src_w = src_image.write(); + f->get_buffer(src_w.ptr(), size); + + return _create_image(p_image, &src_image, p_scale); +} + +void ImageLoaderSVG::get_recognized_extensions(List<String> *p_extensions) const { + + p_extensions->push_back("svg"); + p_extensions->push_back("svgz"); +} + +ImageLoaderSVG::ImageLoaderSVG() { +} |