RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-31 21:08:12 +00:00
Code Issues Activity Actions

Revert "LibGfx: Remove clip check in Painter::do_draw_scaled_bitmap"

Browse source 
This reverts commit 2959c2f2eb.
This commit is contained in:
Andreas Kling 2023-05-19 13:33:50 +02:00
parent 444470b238
commit fb1a151fe3
1 changed files with 6 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

6
Userland/Libraries/LibGfx/Painter.cpp
View file

@ -1273,13 +1273,19 @@ ALWAYS_INLINE static void do_draw_scaled_bitmap(Gfx::Bitmap& target, IntRect con
i64 vscale = src_rect.height() * shift / dst_rect.height();
i64 src_left = src_rect.left() * shift;
i64 src_top = src_rect.top() * shift;
i64 clipped_src_bottom_shifted = (clipped_src_rect.y() + clipped_src_rect.height()) * shift;
i64 clipped_src_right_shifted = (clipped_src_rect.x() + clipped_src_rect.width()) * shift;
for (int y = clipped_rect.top(); y <= clipped_rect.bottom(); ++y) {
auto* scanline = reinterpret_cast<Color*>(target.scanline(y));
auto desired_y = (y - dst_rect.y()) * vscale + src_top;
if (desired_y < clipped_src_rect.top() || desired_y > clipped_src_bottom_shifted)
continue;
for (int x = clipped_rect.left(); x <= clipped_rect.right(); ++x) {
auto desired_x = (x - dst_rect.x()) * hscale + src_left;
if (desired_x < clipped_src_rect.left() || desired_x > clipped_src_right_shifted)
continue;
Color src_pixel;
if constexpr (scaling_mode == Painter::ScalingMode::BilinearBlend) {