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improve setSizeInPixels

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Signed-off-by: Sergey Isakov <isakov-sl@bk.ru>
This commit is contained in:
Sergey Isakov 2020-03-19 09:56:31 +03:00
parent ce86d7f6b8
commit c64788a19e
2 changed files with 52 additions and 30 deletions
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77
rEFIt_UEFI/libeg/XImage.cpp
View File

@ -23,30 +23,30 @@ XImage::XImage()
XImage::XImage(UINTN W, UINTN H)
{
Width = W;
Height = H;
// Width = W;
// Height = H; //included below
setSizeInPixels(W, H);
}
XImage::XImage(EG_IMAGE* egImage)
{
if ( egImage) {
Width = egImage->Width;
Height = egImage->Height;
setSizeInPixels(GetWidth(), GetHeight()); // change the size, ie the number of element in the array. Reaalocate buffer if needed
// Width = egImage->Width;
// Height = egImage->Height;
setSizeInPixels(egImage->Width, egImage->Height); // change the size, ie the number of element in the array. Reaalocate buffer if needed
CopyMem(&PixelData[0], egImage->PixelData, GetSizeInBytes());
}else{
Width = 0;
Height = 0;
setSizeInPixels(GetWidth(), GetHeight()); // change the size, ie the number of element in the array. Reaalocate buffer if needed
// Width = 0;
// Height = 0;
setSizeInPixels(0, 0); // change the size, ie the number of element in the array. Reallocate buffer if needed
}
}
XImage& XImage::operator= (const XImage& other)
{
Width = other.GetWidth();
Height = other.GetHeight();
setSizeInPixels(GetWidth(), GetHeight()); // change the size, ie the number of element in the array. Reaalocate buffer if needed
// Width = other.GetWidth();
// Height = other.GetHeight();
setSizeInPixels(other.GetWidth(), other.GetHeight()); // change the size, ie the number of element in the array. Reaalocate buffer if needed
CopyMem(&PixelData[0], &other.PixelData[0], GetSizeInBytes());
return *this;
}
@ -63,17 +63,17 @@ XImage::XImage(const XImage& Image, float scale)
UINTN SrcHeight = Image.GetHeight();
if (scale < 1.e-4) {
Width = SrcWidth;
Height = SrcHeight;
setSizeInPixels(GetWidth(), GetHeight());
// Width = SrcWidth;
// Height = SrcHeight;
setSizeInPixels(SrcWidth, SrcHeight);
for (UINTN y = 0; y < Height; ++y)
for (UINTN x = 0; x < Width; ++x)
PixelData[y * Width + x] = Image.GetPixel(x, y);
} else {
Width = (UINTN)(SrcWidth * scale);
Height = (UINTN)(SrcHeight * scale);
setSizeInPixels(GetWidth(), GetHeight());
// Width = (UINTN)(SrcWidth * scale);
// Height = (UINTN)(SrcHeight * scale);
setSizeInPixels((UINTN)(SrcWidth * scale), (UINTN)(SrcHeight * scale));
CopyScaled(Image, scale);
}
}
@ -175,8 +175,10 @@ UINTN XImage::GetSizeInBytes() const
return PixelData.size() * sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL);
}
void XImage::setSizeInPixels(UINTN W, UINTN H)
void XImage::setSizeInPixels(UINTN W, UINTN H) //unused arguments?
{
Width = W;
Height = H;
PixelData.setSize(Width * Height);
}
@ -266,6 +268,14 @@ void XImage::Compose(INTN PosX, INTN PosY, const XImage& TopImage, bool Lowest)
}
}
/* Place this image over Back image at PosX,PosY
* and result will be in this image
* But pixels will be moved anyway so it's impossible without double copy
*
*/
//void XImage::ComposeOnBack(INTN PosX, INTN PosY, const XImage& BackImage, bool Lowest)
void XImage::FlipRB(bool WantAlpha)
{
UINTN ImageSize = (Width * Height);
@ -381,18 +391,24 @@ void XImage::GetArea(INTN x, INTN y, UINTN W, UINTN H)
setSizeInPixels(Width, Height); // setSizeInPixels BEFORE, so &PixelData[0]
if ( Width == 0 || Height == 0 ) return; // nothing to get, area is zero. &PixelData[0] would crash
/*
* Blt(...Width, Height, Delta);
* if (Delta == 0) {
* Delta = Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);
* }
*
*/
if (GraphicsOutput != NULL) {
GraphicsOutput->Blt(GraphicsOutput,
&PixelData[0],
EfiBltVideoToBltBuffer,
x, y, 0, 0, Width, Height, Width*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
x, y, 0, 0, Width, Height, 0); // Width*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
}
else if (UgaDraw != NULL) {
UgaDraw->Blt(UgaDraw,
(EFI_UGA_PIXEL *)GetPixelPtr(0,0),
EfiUgaVideoToBltBuffer,
x, y, 0, 0, Width, Height, Width*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
x, y, 0, 0, Width, Height, 0); //Width*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
}
}
@ -471,11 +487,11 @@ void XImage::Draw(INTN x, INTN y, float scale)
}
else if (UgaDraw != NULL) {
UgaDraw->Blt(UgaDraw, (EFI_UGA_PIXEL *)Background.GetPixelPtr(0, 0), EfiUgaBltBufferToVideo,
0, 0, x, y, AreaWidth, AreaHeight, 0);
0, 0, x, y, AreaWidth, AreaHeight, GetWidth()*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
}
}
EFI_STATUS XImage::LoadImage(EFI_FILE *BaseDir, const XStringW& FileName)
EFI_STATUS XImage::LoadXImage(EFI_FILE *BaseDir, const XStringW& FileName)
{
EFI_STATUS Status = EFI_NOT_FOUND;
UINT8 *FileData = NULL;
@ -504,13 +520,14 @@ EFI_STATUS XImage::LoadImage(EFI_FILE *BaseDir, const XStringW& FileName)
return Status;
}
//EnsureImageSize should create new object with new sizes
//while compose uses old object
void XImage::EnsureImageSize(IN UINTN NewWidth, IN UINTN NewHeight, IN CONST EFI_GRAPHICS_OUTPUT_BLT_PIXEL& Color)
{
// EG_IMAGE *NewImage;
if (isEmpty())
return;
// if (isEmpty())
// return;
if (NewWidth == Width && NewHeight == Height)
return;
@ -520,7 +537,11 @@ void XImage::EnsureImageSize(IN UINTN NewWidth, IN UINTN NewHeight, IN CONST EFI
} */
XImage NewImage(NewWidth, NewHeight);
NewImage.Fill(Color);
Compose(0, 0, NewImage, false);
// Compose(0, 0, NewImage, false);
// egFreeImage(NewImage);
NewImage.Compose(0, 0, (*this), false);
setSizeInPixels(NewWidth, NewHeight); //include reallocate but loose data
// CopyScaled(NewImage, 1.f);
CopyMem(&PixelData[0], &NewImage.PixelData[0], GetSizeInBytes());
//we have to copy pixels twice? because we can't return newimage instead of this
}

5
rEFIt_UEFI/libeg/XImage.h
View File

@ -91,8 +91,9 @@ public:
void GetArea(INTN x, INTN y, UINTN W, UINTN H);
void Draw(INTN x, INTN y, float scale);
void DrawWithoutCompose(INTN x, INTN y, UINTN width = 0, UINTN height = 0);
EFI_STATUS LoadImage(EFI_FILE *Dir, const XStringW& FileName); //for example LoadImage(ThemeDir, L"icons\\" + Name);
//I changed the name because LoadImage is too widely used
// will be used instead of old egLoadImage
EFI_STATUS LoadXImage(EFI_FILE *Dir, const XStringW& FileName); //for example LoadImage(ThemeDir, L"icons\\" + Name);
void EnsureImageSize(IN UINTN Width, IN UINTN Height, IN CONST EFI_GRAPHICS_OUTPUT_BLT_PIXEL& Color);
};