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Code Issues Releases Wiki Activity

LoadFromRawImage + LoadFromTBitmap

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git-svn-id: http://www.villavu.com/repositories/merlijn/mufasa@338 3f818213-9676-44b0-a9b4-5e4c4e03d09d
This commit is contained in:
Wizzup? 2009-12-25 20:42:14 +00:00
parent 8b13311539
commit 19c927036e
1 changed files with 104 additions and 8 deletions
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112
Units/MMLCore/bitmaps.pas
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@ -80,6 +80,8 @@ type
procedure Posterize(Po : integer);overload;
function Copy: TMufasaBitmap;
function ToTBitmap: TBitmap;
procedure LoadFromTBitmap(bmp: TBitmap);
procedure LoadFromRawImage(RawImage: TRawImage);
function CreateTMask : TMask;
constructor Create;
destructor Destroy;override;
@ -398,6 +400,102 @@ begin
Result.LoadFromRawImage(tr, false);
end;
procedure TMufasaBitmap.LoadFromRawImage(RawImage: TRawImage);
var
x,y,v: integer;
_24_old_p: PByte;
rs,gs,bs:byte;
data: PRGB32;
begin
// clear data
Self.SetSize(0,0);
if (RawImage.Description.BitsPerPixel <> 24) and (RawImage.Description.BitsPerPixel <> 32) then
raise Exception.CreateFMT('TMufasaBitmap.LoadFromRawImage - BitsPerPixel is %d', [RawImage.Description.BitsPerPixel]);
{writeln('Bits per pixel: ' + Inttostr(RawImage.Description.BitsPerPixel)); }
if RawImage.Description.LineOrder <> riloTopToBottom then
raise Exception.Create('TMufasaBitmap.LoadFromRawImage - LineOrder is not riloTopToBottom');
{ writeln(format('LineOrder: theirs: %d, ours: %d', [RawImage.Description.LineOrder, riloTopToBottom])); }
// Todo, add support for other alignments.
{ if RawImage.Description.LineEnd <> rileDWordBoundary then
raise Exception.Create('TMufasaBitmap.LoadFromRawImage - LineEnd is not rileDWordBoundary'); }
//writeln(format('LineEnd: t', [RawImage.Description.LineEnd]));
if RawImage.Description.Format<>ricfRGBA then
raise Exception.Create('TMufasaBitmap.LoadFromRawImage - Format is not ricfRGBA');
// Set w,h and alloc mem.
Self.SetSize(RawImage.Description.Width, RawImage.Description.Height);
{writeln(format('Image size: %d, %d', [w,h])); }
rs := RawImage.Description.RedShift;
gs := RawImage.Description.GreenShift;
bs := RawImage.Description.BlueShift;
{ writeln(format('Shifts(R,G,B): %d, %d, %d', [rs,gs,bs]));
writeln(format('Bits per line %d, expected: %d',
[RawImage.Description.BitsPerLine, RawImage.Description.BitsPerPixel * self.w]));
}
if RawImage.Description.BitsPerPixel = 32 then
Move(RawImage.Data[0], Self.FData[0], self.w * self.h * SizeOf(TRGB32))
else
begin
//FillChar(Self.FData[0], self.w * self.h * SizeOf(TRGB32), 0);
data := self.FData;
_24_old_p := RawImage.Data;
for y := 0 to self.h -1 do
begin
for x := 0 to self.w -1 do
begin
// b is the first byte in the record.
data^.b := _24_old_p[round(bs shr 3)];
data^.g := _24_old_p[round(gs shr 3)];
data^.r := _24_old_p[round(rs shr 3)];
data^.a := 0;
inc(_24_old_p, 3);
inc(data);
end;
inc(_24_old_p, 1); // align to dword!
case RawImage.Description.LineEnd of
rileTight, rileByteBoundary: ; // do nothing
rileWordBoundary:
while (_24_old_p - RawImage.Data) mod 2 <> 0 do
inc(_24_old_p);
rileDWordBoundary:
while (_24_old_p - RawImage.Data) mod 4 <> 0 do
inc(_24_old_p);
rileQWordBoundary:
while (_24_old_p - RawImage.Data) mod 4 <> 0 do
inc(_24_old_p);
rileDQWordBoundary:
while (_24_old_p - RawImage.Data) mod 4 <> 0 do
inc(_24_old_p);
end;
end;
end;
writeln('done');
end;
procedure TMufasaBitmap.LoadFromTBitmap(bmp: TBitmap);
begin
bmp.BeginUpdate();
LoadFromRawImage(bmp.RawImage);
bmp.EndUpdate();
end;
procedure TMufasaBitmap.FastSetPixel(x, y: integer; Color: TColor);
begin
ValidatePoint(x,y);
@ -552,14 +650,10 @@ var
begin
if Resize then
Self.SetSize(xe-xs+1,ye-ys+1);
{ writeln('self: ' + inttostr(self.w) + ', ' + inttostr(self.h));
writeln('end - start + 1: ' + inttostr(xe-xs + 1) + ', ' + inttostr(ye-ys + 1));}
wi := Min(xe-xs + 1,Self.w);
hi := Min(ye-ys + 1,Self.h);
{ if wi <> xe - xs + 1 then
writeln('WAT x');
if hi <> ye - ys + 1 then
writeln('WAT y'); }
PtrRet := TMWindow(MWindow).ReturnData(xs,ys,wi,hi);
for y := 0 to (hi-1) do
@ -576,6 +670,7 @@ var
begin
if Resize then
Self.SetSize(xe-xs+1 + x,ye-ys+1 + y);
wi := Min(xe-xs + 1 + x,Self.w);
hi := Min(ye-ys + 1 + y,Self.h);
PtrRet := TMWindow(MWindow).ReturnData(xs,ys,wi - x,hi - y);
@ -995,10 +1090,11 @@ constructor TMufasaBitmap.Create;
begin
inherited Create;
BmpName:= '';
FData:= nil;
TransparentSet:= False;
setSize(0,0);
{FData:= nil;
w := 0;
h := 0;
h := 0; }
end;
destructor TMufasaBitmap.Destroy;