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Add GetPixel and DrawRectangle functions to Display class

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This commit is contained in:
EnderIce2 2024-02-29 02:18:08 +02:00
parent 9925a9e9b4
commit 574c753b77
Signed by untrusted user who does not match committer: enderice2
GPG Key ID: EACC3AD603BAB4DD
2 changed files with 37 additions and 0 deletions
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33
core/video/display.cpp
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@ -50,6 +50,39 @@ namespace Video
// MarkRegionDirty(Y / RegionHeight, X / RegionWidth);
}
__no_sanitize("undefined") uint32_t Display::GetPixel(uint32_t X,
uint32_t Y)
{
if (unlikely(X >= this->Width))
X = this->Width - 1;
if (unlikely(Y >= this->Height))
Y = this->Height - 1;
uint32_t *Pixel = (uint32_t *)((uintptr_t)this->Buffer + (Y * this->Width + X) * (this->framebuffer.BitsPerPixel / 8));
return *Pixel;
}
__no_sanitize("undefined") void Display::DrawRectangle(uint32_t X,
uint32_t Y,
uint32_t Width,
uint32_t Height,
uint32_t Color)
{
for (uint32_t i = 0; i < Width; i++)
{
for (uint32_t j = 0; j < Height; j++)
{
uint32_t *Pixel =
(uint32_t *)((uintptr_t)this->Buffer + ((Y + j) *
this->Width +
(X + i)) *
(this->framebuffer.BitsPerPixel / 8));
*Pixel = Color;
}
}
}
void Display::Scroll(int Lines)
{
if (this->DoNotScroll)

4
include/display.hpp
View File

@ -214,6 +214,10 @@ namespace Video
void ClearBuffer();
void SetPixel(uint32_t X, uint32_t Y, uint32_t Color);
uint32_t GetPixel(uint32_t X, uint32_t Y);
void DrawRectangle(uint32_t X, uint32_t Y,
uint32_t Width, uint32_t Height,
uint32_t Color);
void Scroll(int Lines);
void SetDoNotScroll(bool Value)