diff options
Diffstat (limited to 'plugingui/pixelbuffer.cc')
| -rw-r--r-- | plugingui/pixelbuffer.cc | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/plugingui/pixelbuffer.cc b/plugingui/pixelbuffer.cc index c73e663..3c666cd 100644 --- a/plugingui/pixelbuffer.cc +++ b/plugingui/pixelbuffer.cc @@ -30,6 +30,7 @@ #include <cstdlib> #include <cstring> +#include <algorithm> namespace GUI { @@ -85,10 +86,10 @@ Rect PixelBuffer::updateBuffer(std::vector<PixelBufferAlpha*>& pixel_buffers) { if(pixel_buffer->dirty) { - auto x1 = (std::size_t)pixel_buffer->x; - auto x2 = (std::size_t)(pixel_buffer->x + pixel_buffer->width); - auto y1 = (std::size_t)pixel_buffer->y; - auto y2 = (std::size_t)(pixel_buffer->y + pixel_buffer->height); + auto x1 = (std::size_t)std::max(pixel_buffer->x, 0); + auto x2 = (std::size_t)std::max((pixel_buffer->x + (int)pixel_buffer->width), 0); + auto y1 = (std::size_t)std::max(pixel_buffer->y, 0); + auto y2 = (std::size_t)std::max((pixel_buffer->y + (int)pixel_buffer->height), 0); pixel_buffer->dirty = false; if(!has_dirty_rect) |