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Diffstat (limited to 'Userland/Libraries/LibWeb/HTML/ImageData.cpp')
-rw-r--r-- | Userland/Libraries/LibWeb/HTML/ImageData.cpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/Userland/Libraries/LibWeb/HTML/ImageData.cpp b/Userland/Libraries/LibWeb/HTML/ImageData.cpp new file mode 100644 index 0000000000..085cc88728 --- /dev/null +++ b/Userland/Libraries/LibWeb/HTML/ImageData.cpp @@ -0,0 +1,85 @@ +/* + * Copyright (c) 2020, Andreas Kling <kling@serenityos.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <LibGfx/Bitmap.h> +#include <LibJS/Runtime/Uint8ClampedArray.h> +#include <LibWeb/HTML/ImageData.h> + +namespace Web::HTML { + +RefPtr<ImageData> ImageData::create_with_size(JS::GlobalObject& global_object, int width, int height) +{ + if (width <= 0 || height <= 0) + return nullptr; + + if (width > 16384 || height > 16384) + return nullptr; + + dbgln("Creating ImageData with {}x{}", width, height); + + auto* data = JS::Uint8ClampedArray::create(global_object, width * height * 4); + if (!data) + return nullptr; + + auto data_handle = JS::make_handle(data); + + auto bitmap = Gfx::Bitmap::create_wrapper(Gfx::BitmapFormat::RGBA32, Gfx::IntSize(width, height), width * sizeof(u32), (u32*)data->data()); + if (!bitmap) + return nullptr; + return adopt(*new ImageData(bitmap.release_nonnull(), move(data_handle))); +} + +ImageData::ImageData(NonnullRefPtr<Gfx::Bitmap> bitmap, JS::Handle<JS::Uint8ClampedArray> data) + : m_bitmap(move(bitmap)) + , m_data(move(data)) +{ +} + +ImageData::~ImageData() +{ +} + +unsigned ImageData::width() const +{ + return m_bitmap->width(); +} + +unsigned ImageData::height() const +{ + return m_bitmap->height(); +} + +JS::Uint8ClampedArray* ImageData::data() +{ + return m_data.cell(); +} + +const JS::Uint8ClampedArray* ImageData::data() const +{ + return m_data.cell(); +} + +} |