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GraphicsBitmap: Add a fill(Color) helper.

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This only works for RGB32 and RGBA32 bitmaps at the moment, since it's not
obvious what should happen in an Indexed8 bitmap.
This commit is contained in:
Andreas Kling 2019-06-10 19:29:50 +02:00
parent d599544890
commit 6aa4cb6740
2 changed files with 11 additions and 0 deletions
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9
SharedGraphics/GraphicsBitmap.cpp
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@ -91,3 +91,12 @@ void GraphicsBitmap::set_mmap_name(const StringView& name)
ASSERT(m_needs_munmap);
::set_mmap_name(m_data, size_in_bytes(), name.characters());
}
void GraphicsBitmap::fill(Color color)
{
ASSERT(m_format == GraphicsBitmap::Format::RGB32 || m_format == GraphicsBitmap::Format::RGBA32);
for (int y = 0; y < height(); ++y) {
auto* scanline = this->scanline(y);
fast_dword_fill(scanline, color.value(), width());
}
}

2
SharedGraphics/GraphicsBitmap.h
View file

@ -39,6 +39,8 @@ public:
size_t pitch() const { return m_pitch; }
int shared_buffer_id() const { return m_shared_buffer ? m_shared_buffer->shared_buffer_id() : -1; }
void fill(Color);
bool has_alpha_channel() const { return m_format == Format::RGBA32; }
Format format() const { return m_format; }