float WINAPI GetPixelRatioInArea(int Color, int StartX, int StartY, int EndX, int EndY)
{
FileDebug("Started CountPixelsInArea");
if (CurScreenshot->Pixels == NULL)
{
FileDebug("WARNING:Screenshot buffer is null when trying to extract gradient!");
return -1;
}
if (StartX == -1)
{
StartX = 0;
StartY = 0;
EndX = CurScreenshot->GetWidth();
EndY = CurScreenshot->GetHeight();
}
int Width = CurScreenshot->Right - CurScreenshot->Left;
int ret = 0;
for (int y = StartY; y < EndY; y += 1)
for (int x = StartX; x < EndX; x += 1)
if (CurScreenshot->Pixels[y * Width + x] == Color)
ret++;
float AreaSize = (float)((EndX - StartX)*(EndY - StartY));
FileDebug("Finished CountPixelsInArea");
return ret * 100.0f / AreaSize;
}
void WINAPI SetGradientToColorRegion(int Color, float MaxChange, int NewColor, int StartX, int StartY, int EndX, int EndY)
{
FileDebug("Started SetGradientToColorRegion");
int R1 = GetRValue(Color);
int G1 = GetGValue(Color);
int B1 = GetBValue(Color);
float RG1 = (float)R1 / (float)G1;
float GB1 = (float)G1 / (float)B1;
// human eye can distinguesh about 3db noise ( signal / noise ). We define a gradient to be the same if the expected value / real value is within this margin
if (CurScreenshot->Pixels == NULL)
{
FileDebug("WARNING:Screenshot buffer is null when trying to extract gradient!");
return;
}
int Width = CurScreenshot->Right - CurScreenshot->Left;
for (int y = StartY; y < EndY; y += 1)
for (int x = StartX; x < EndX; x += 1)
{
int Color = CurScreenshot->Pixels[y * Width + x];
float B2 = GetRValue(Color);
float G2 = GetGValue(Color);
float R2 = GetBValue(Color);
float RG2 = (float)R2 / (float)G2;
float GB2 = (float)G2 / (float)B2;
if (abs(RG2 - RG1) <= MaxChange && abs(GB2 - GB1) <= MaxChange)
CurScreenshot->Pixels[y * Width + x] = NewColor;
}
FileDebug("Finished SetGradientToColorRegion");
}
void KeepColorRangeAndGradient(int Color, int MaxChange, int RMin, int RMax, int GMin, int GMax, int BMin, int BMax)
{
FileDebug("Started KeepColorRange");
if (CurScreenshot->Pixels == NULL)
{
FileDebug("WARNING:Screenshot buffer is null when trying to extract gradient!");
return;
}
int R1 = GetRValue(Color);
int G1 = GetGValue(Color);
int B1 = GetBValue(Color);
float RG1 = (float)R1 / (float)G1;
float GB1 = (float)G1 / (float)B1;
int Width = CurScreenshot->Right - CurScreenshot->Left;
for (int y = 0; y < CurScreenshot->GetHeight(); y += 1)
for (int x = 0; x < CurScreenshot->GetWidth(); x += 1)
{
int Color = CurScreenshot->Pixels[y * Width + x];
float B = GetRValue(Color);
float G = GetGValue(Color);
float R = GetBValue(Color);
if (R >= RMin && R <= RMax && G >= GMin && G <= GMax && B >= BMin && B <= BMax)
{
float RG2 = (float)R / (float)G;
float GB2 = (float)G / (float)B;
if (abs(RG2 - RG1) > MaxChange || abs(GB2 - GB1) > MaxChange)
CurScreenshot->Pixels[y * Width + x] = TRANSPARENT_COLOR;
// else
// CurScreenshot->Pixels[y * Width + x] = 0;
}
else
CurScreenshot->Pixels[y * Width + x] = TRANSPARENT_COLOR;
}
FileDebug("Finished KeepColorRange");
}
void WINAPI ErodeNotInLine(int StartX, int StartY, int EndX, int EndY)
{
FileDebug("Started ErodeNotInLine");
// human eye can distinguesh about 3db noise ( signal / noise ). We define a gradient to be the same if the expected value / real value is within this margin
if (CurScreenshot->Pixels == NULL)
{
FileDebug("WARNING:Screenshot buffer is null when trying to extract gradient!");
return;
}
int Width = CurScreenshot->Right - CurScreenshot->Left;
int *TempBuff = (int*)malloc(Width * CurScreenshot->GetHeight() * sizeof(int));
memcpy(TempBuff, CurScreenshot->Pixels, Width * CurScreenshot->GetHeight() * sizeof(int));
for (int y = StartY; y < EndY; y += 1)
for (int x = StartX; x < EndX; x += 1)
{
int MiddlePixel = TempBuff[(y - 0) * Width + x - 0];
//vert
if (IsInLine(TempBuff[(y - 1) * Width + x - 0], MiddlePixel, TempBuff[(y + 1) * Width + x - 0]))
continue;
//hor
if (IsInLine(TempBuff[(y - 0) * Width + x - 1], MiddlePixel, TempBuff[(y + 1) * Width + x + 1]))
continue;
if (IsInLine(TempBuff[(y - 1) * Width + x - 1], MiddlePixel, TempBuff[(y + 1) * Width + x + 1]))
continue;
if (IsInLine(TempBuff[(y - 1) * Width + x + 1], MiddlePixel, TempBuff[(y + 1) * Width + x - 1]))
continue;
CurScreenshot->Pixels[(y - 0) * Width + x - 0] = 0;
}
free(TempBuff);
FileDebug("Finished ErodeNotInLine");
}
void WINAPI BlurrImage( int HalfKernelSize )
{
FileDebug( "Started bluring screenshot" );
if( CurScreenshot->Pixels == NULL )
{
FileDebug( "WARNING:Screenshot buffer is null when trying to blur it!" );
return;
}
int Width = CurScreenshot->Right - CurScreenshot->Left;
int Height = CurScreenshot->Bottom - CurScreenshot->Top;
LPCOLORREF new_Pixels = (COLORREF*)_aligned_malloc( Width * Height * sizeof( COLORREF ) + SSE_PADDING, SSE_ALIGNMENT );
if( new_Pixels == NULL )
{
FileDebug( "Error:Could not allocate buffer for blur!" );
return;
}
if( HalfKernelSize == 1 )
{
//37 fps
for( int y = 1; y < Height-1; y +=1 )
for( int x = 1; x < Width-1; x += 1 )
{
int SumOfValuesRB = 0;
int SumOfValuesG8 = 0;
LPCOLORREF BoxStart = &CurScreenshot->Pixels[ y * Width + x ];
for(int ky=-1;ky<=1;ky++)
for(int kx=-1;kx<=1;kx++)
{
SumOfValuesRB += ( BoxStart[ ky * Width + kx ] & 0x00FF00FF ); //remove G and sum RB
SumOfValuesG8 += ( BoxStart[ ky * Width + kx ] & 0x0000FF00);
}
int SumOfValuesR = ( SumOfValuesRB >> 0 ) & 0x0000FFFF;
int SumOfValuesG = ( SumOfValuesG8 >> 8 ) & 0x0000FFFF;
int SumOfValuesB = ( SumOfValuesRB >> 16 ) & 0x0000FFFF;
new_Pixels[ y * Width + x ] = RGB( SumOfValuesR / 9, SumOfValuesG / 9, SumOfValuesB / 9 );
}
/**/
//32 fps
/* int CharWidth = Width * 4;
for( int y = 1; y < Height-1; y +=1 )
for( int x = 1; x < Width-1; x += 1 )
{
unsigned char *RowStart = (unsigned char *)&CurScreenshot->Pixels[ ( y - 1 ) * Width + x - 1 ];
int SumOfValuesR = 0;
int SumOfValuesG = 0;
int SumOfValuesB = 0;
for(int ky=0;ky<=2;ky++)
for(int kx=0;kx<=2*4;kx+=4)
{
SumOfValuesR += RowStart[ ky * CharWidth + kx + 0 ];
SumOfValuesG += RowStart[ ky * CharWidth + kx + 1 ];
SumOfValuesB += RowStart[ ky * CharWidth + kx + 2 ];
}
new_Pixels[ y * Width + x ] = RGB( SumOfValuesR / 9, SumOfValuesG / 9, SumOfValuesB / 9 );
} */
}
else
{
void HistorygramInArea(int StartX, int StartY, int EndX, int EndY)
{
FileDebug("Started HistorygramInArea");
if (CurScreenshot->Pixels == NULL)
{
FileDebug("WARNING:Screenshot buffer is null when trying to extract gradient!");
return;
}
if (StartX == -1)
{
StartX = 0;
StartY = 0;
EndX = CurScreenshot->GetWidth();
EndY = CurScreenshot->GetHeight();
}
//create historygram
std::map<int, int> Colors;
int Width = CurScreenshot->Right - CurScreenshot->Left;
for (int y = StartY; y < EndY; y += 1)
for (int x = StartX; x < EndX; x += 1)
Colors[CurScreenshot->Pixels[y * Width + x]]++;
std::map<int, int> Colors2;
for (std::map<int, int>::iterator itr = Colors.begin(); itr != Colors.end(); itr++)
{
//get a unique key
int key = itr->second * 1000;
while (Colors2.find(key) != Colors2.end())
key++;
Colors2[key] = itr->first;
}
//print hystorygram
for (std::map<int, int>::iterator itr = Colors2.begin(); itr != Colors2.end(); itr++)
{
int Color = itr->second;
int Count = itr->first/1000;
int B = GetRValue(Color);
int G = GetGValue(Color);
int R = GetBValue(Color);
float RG = (float)(R) / (float)(G);
float GB = (float)(G) / (float)(B);
float RB = (float)(R) / (float)(B);
printf("0x%X 0x%X %d %f %f %f %d %d %d\n", Color, STATIC_BGR_RGB(Color), Count, RG, GB, RB, R, G, B);
}
FileDebug("Finished HistorygramInArea");
return;
}
void WINAPI TakeScreenshot( int aLeft, int aTop, int aRight, int aBottom )
{
char TBuff[2000];
sprintf_s(TBuff, sizeof(TBuff), "Started taking the screenshot [%d,%d][%d,%d]", aLeft, aTop, aRight, aBottom);
FileDebug(TBuff);
CycleScreenshots();
ReleaseScreenshot();
TakeNewScreenshot( aLeft, aTop, aRight, aBottom );
FileDebug( "\tFinished taking the screenshot" );
// if( CurScreenshot->Pixels == NULL )
// FileDebug( "WARNING:Screenshot buffer is null when taking the screenshot!" );
return ;
}
void WINAPI KeepGradientRegionMinValue(int Color, float MaxChange, int StartX, int StartY, int EndX, int EndY)
{
FileDebug("Started KeepGradient");
int R1 = GetRValue(Color);
int G1 = GetGValue(Color);
int B1 = GetBValue(Color);
float RG1 = (float)R1 / (float)G1;
float GB1 = (float)G1 / (float)B1;
// human eye can distinguesh about 3db noise ( signal / noise ). We define a gradient to be the same if the expected value / real value is within this margin
if (CurScreenshot->Pixels == NULL)
{
FileDebug("WARNING:Screenshot buffer is null when trying to extract gradient!");
return;
}
int Width = CurScreenshot->Right - CurScreenshot->Left;
for (int y = StartY; y < EndY; y += 1)
for (int x = StartX; x < EndX; x += 1)
{
int Color = CurScreenshot->Pixels[y * Width + x];
int B2 = GetRValue(Color);
if (B1 > B2)
{
CurScreenshot->Pixels[y * Width + x] = TRANSPARENT_COLOR;
continue;
}
int G2 = GetGValue(Color);
if (G1 > G2)
{
CurScreenshot->Pixels[y * Width + x] = TRANSPARENT_COLOR;
continue;
}
int R2 = GetBValue(Color);
if (R1 > R2)
{
CurScreenshot->Pixels[y * Width + x] = TRANSPARENT_COLOR;
continue;
}
float RG2 = (float)R2 / (float)G2;
float GB2 = (float)G2 / (float)B2;
if (abs(RG2 - RG1) > MaxChange || abs(GB2 - GB1) > MaxChange)
CurScreenshot->Pixels[y * Width + x] = TRANSPARENT_COLOR;
else
CurScreenshot->Pixels[y * Width + x] = 0;
}
FileDebug("Finished KeepGradient");
}
void WINAPI KeepGradient3(int Color1, float MaxChange1, int Color2, float MaxChange2, int Color3, float MaxChange3)
{
FileDebug("Started KeepGradient2");
int R1 = GetRValue(Color1);
int G1 = GetGValue(Color1);
int B1 = GetBValue(Color1);
float RG1 = (float)R1 / (float)G1;
float GB1 = (float)G1 / (float)B1;
int R2 = GetRValue(Color2);
int G2 = GetGValue(Color2);
int B2 = GetBValue(Color2);
float RG2 = (float)R2 / (float)G2;
float GB2 = (float)G2 / (float)B2;
int R3 = GetRValue(Color3);
int G3 = GetGValue(Color3);
int B3 = GetBValue(Color3);
float RG3 = (float)R3 / (float)G3;
float GB3 = (float)G3 / (float)B3;
// human eye can distinguesh about 3db noise ( signal / noise ). We define a gradient to be the same if the expected value / real value is within this margin
if (CurScreenshot->Pixels == NULL)
{
FileDebug("WARNING:Screenshot buffer is null when trying to extract gradient!");
return;
}
int StartX = 0;
int StartY = 0;
int EndX = CurScreenshot->GetWidth();
int EndY = CurScreenshot->GetHeight();
int Width = CurScreenshot->Right - CurScreenshot->Left;
for (int y = StartY; y < EndY; y += 1)
for (int x = StartX; x < EndX; x += 1)
{
int Color = CurScreenshot->Pixels[y * Width + x];
float B2 = GetRValue(Color);
float G2 = GetGValue(Color);
float R2 = GetBValue(Color);
float RG = (float)R2 / (float)G2;
float GB = (float)G2 / (float)B2;
if (!(abs(RG2 - RG) > MaxChange2 || abs(GB2 - GB) > MaxChange2) && !(abs(RG - RG1) > MaxChange1 || abs(GB - GB1) > MaxChange1) && !(abs(RG - RG3) > MaxChange3 || abs(GB - GB3) > MaxChange3))
CurScreenshot->Pixels[y * Width + x] = 0;
else
CurScreenshot->Pixels[y * Width + x] = TRANSPARENT_COLOR;
}
FileDebug("Finished KeepGradient2");
}
void WINAPI KeepColor3SetBoth(int SetRest, int SetColors, int Color1, int Color2, int Color3)
{
FileDebug("Started KeepColor3SetBoth");
if (CurScreenshot->Pixels == NULL)
{
FileDebug("WARNING:Screenshot buffer is null when trying to extract color!");
return;
}
int Width = CurScreenshot->Right - CurScreenshot->Left;
int Height = CurScreenshot->Bottom - CurScreenshot->Top;
for (int y = 0; y < Height; y += 1)
for (int x = 0; x < Width; x += 1)
if (CurScreenshot->Pixels[y * Width + x] == Color1 || CurScreenshot->Pixels[y * Width + x] == Color2 || CurScreenshot->Pixels[y * Width + x] == Color3)
CurScreenshot->Pixels[y * Width + x] = SetColors;
else
CurScreenshot->Pixels[y * Width + x] = SetRest;
FileDebug("Finished KeepColor3SetBoth");
}
CachedPicture *CachePicture( char *aFilespec )
{
FileDebug( "Started caching image" );
int ExistingCacheIndex = GetCacheIndex( aFilespec );
if( ExistingCacheIndex != -1 )
{
FileDebug( "Skipped caching image as it's already cached" );
return &PictureCache[ExistingCacheIndex];
}
if( NrPicturesCached >= MAX_PICTURE_CACHE_COUNT )
{
FileDebug( "Skipped caching image as no more cache slots available" );
return NULL;
}
HDC hdc = GetDC(NULL);
if (!hdc)
{
FileDebug( "Skipped caching image as failed to lock DC" );
return NULL;
}
strcpy_s( PictureCache[NrPicturesCached].FileName, DEFAULT_STR_BUFFER_SIZE, aFilespec );
PictureCache[NrPicturesCached].NameHash = GetStrHash( aFilespec );
int ImgType;
PictureCache[NrPicturesCached].LoadedPicture = LoadPicture( aFilespec, 0, 0, ImgType, 0, false );
if( PictureCache[NrPicturesCached].LoadedPicture == NULL )
{
FileDebug( "Skipped caching image as it could not be loaded" );
ReleaseDC(NULL, hdc);
return NULL;
}
bool image_is_16bit;
LONG image_width, image_height;
PictureCache[NrPicturesCached].Pixels = getbits( PictureCache[NrPicturesCached].LoadedPicture, hdc, image_width, image_height, image_is_16bit );
if( PictureCache[NrPicturesCached].Pixels == NULL )
{
FileDebug( "Skipped caching image as it could not be converted to pixel map" );
ReleaseDC(NULL, hdc);
return NULL;
}
PictureCache[NrPicturesCached].Width = image_width;
PictureCache[NrPicturesCached].Height = image_height;
PictureCache[NrPicturesCached].NeedsPSCache = true;
PictureCache[NrPicturesCached].NeedsSSCache = true;
NrPicturesCached++;
ReleaseDC(NULL, hdc);
FileDebug( "\tFinished caching image" );
return &PictureCache[NrPicturesCached-1];
}
void WINAPI RemoveIfHasStrongerNeighbours(int MinNeighbours, int StartX, int StartY, int EndX, int EndY)
{
FileDebug("Started RemoveIfHasStrongerNeighbours");
// human eye can distinguesh about 3db noise ( signal / noise ). We define a gradient to be the same if the expected value / real value is within this margin
if (CurScreenshot->Pixels == NULL)
{
FileDebug("WARNING:Screenshot buffer is null when trying to extract gradient!");
return;
}
int Width = CurScreenshot->Right - CurScreenshot->Left;
for (int y = StartY; y < EndY; y += 1)
for (int x = StartX; x < EndX; x += 1)
{
int Color = CurScreenshot->Pixels[y * Width + x];
int B = GetRValue(Color);
int G = GetGValue(Color);
int R = GetBValue(Color);
//int Sum = R + G + B;
//check if it has stronger neighbours
int StrongNeighbours = 0;
for (int y2 = y - 1; y2 <= y + 1; y2++)
for (int x2 = x - 1; x2 <= x + 1; x2++)
{
int Color2 = CurScreenshot->Pixels[y2 * Width + x2];
int B2 = GetRValue(Color2);
int G2 = GetGValue(Color2);
int R2 = GetBValue(Color2);
//int Sum2 = R2 + G2 + B2;
//if (Sum2 > Sum)
if (R2 > R || G2 > G || B2 > B)
{
StrongNeighbours++;
if (StrongNeighbours >= MinNeighbours)
{
CurScreenshot->Pixels[y * Width + x] = 0;
goto ELIMINATED_WEAK_PIXEL;
}
}
}
ELIMINATED_WEAK_PIXEL:;
}
FileDebug("Finished RemoveIfHasStrongerNeighbours");
}
void WINAPI ErodeOnEdgeNeighbours(int EdgeStrength, int StartX, int StartY, int EndX, int EndY)
{
FileDebug("Started ErodeOnEdgeNeighbours");
// human eye can distinguesh about 3db noise ( signal / noise ). We define a gradient to be the same if the expected value / real value is within this margin
if (CurScreenshot->Pixels == NULL)
{
FileDebug("WARNING:Screenshot buffer is null when trying to extract gradient!");
return;
}
int Width = CurScreenshot->Right - CurScreenshot->Left;
int *TempBuff = (int*)malloc(Width * CurScreenshot->GetHeight() * sizeof(int));
memcpy(TempBuff, CurScreenshot->Pixels, Width * CurScreenshot->GetHeight() * sizeof(int));
for (int y = StartY; y < EndY; y += 1)
for (int x = StartX; x < EndX; x += 1)
{
int Color = TempBuff[y * Width + x];
int B = GetRValue(Color);
int G = GetGValue(Color);
int R = GetBValue(Color);
int Sum = R + G + B;
//check if it has stronger neighbours
int StrongNeighbours = 0;
for (int y2 = y - 1; y2 <= y + 1; y2++)
for (int x2 = x - 1; x2 <= x + 1; x2++)
{
int Color2 = TempBuff[y2 * Width + x2];
int B2 = GetRValue(Color2);
int G2 = GetGValue(Color2);
int R2 = GetBValue(Color2);
int Sum2 = R2 + G2 + B2;
if (abs(Sum2 - Sum) > EdgeStrength )
{
CurScreenshot->Pixels[y * Width + x] = 0;
goto ELIMINATED_WEAK_PIXEL;
}
}
ELIMINATED_WEAK_PIXEL:;
}
free(TempBuff);
FileDebug("Finished ErodeOnEdgeNeighbours");
}
char* WINAPI GetImageSize( char *aImageFile )
{
CachedPicture *cache = CachePicture( aImageFile );
if( cache == NULL )
{
FileDebug( "Skipping Image info as image could not be loaded" );
return "0|0";
}
if( cache->Pixels == NULL )
{
FileDebug( "Skipping Image info as image pixels are missing" );
return "0|0";
}
if( cache->LoadedPicture == NULL )
{
FileDebug( "Skipping Image info as image is missing" );
return "0|0";
}
sprintf_s( ReturnBuff, DEFAULT_STR_BUFFER_SIZE*10, "%d|%d", cache->Width, cache->Height );
return ReturnBuff;
}
void CheckPrepareToleranceMaps( CachedPicture *cache, int NewTolerance, int TransparentColor )
{
if( cache == NULL )
return;
if( NewTolerance == cache->MinMaxMapTolerance && TransparentColor == cache->TransparentColor )
return;
FileDebug( "Generating tolerance map" );
cache->MinMaxMapTolerance = NewTolerance;
cache->TransparentColor = TransparentColor;
if( cache->MinMap[0] == NULL )
{
for( int i = 0;i<3;i++)
{
cache->MinMap[i] = (unsigned char *)_aligned_malloc( cache->Width * cache->Height + SSE_PADDING, SSE_ALIGNMENT );
cache->MaxMap[i] = (unsigned char *)_aligned_malloc( cache->Width * cache->Height + SSE_PADDING, SSE_ALIGNMENT );
}
}
for( int y = 0; y < cache->Height; y +=1 )
for( int x = 0; x < cache->Width; x += 1 )
{
if( ( cache->Pixels[ y * cache->Width + x ] & 0x00FFFFFF ) == TransparentColor )
{
for( int i=0;i<3;i++)
{
cache->MinMap[i][ y * cache->Width + x ] = 0;
cache->MaxMap[i][ y * cache->Width + x ] = 255;
}
}
else
{
for( int i=0;i<3;i++)
{
int col = ( ((int)cache->Pixels[ y * cache->Width + x ]) >> ( i * 8 ) ) & 0xFF;
int min = (int)col - NewTolerance;
int max = (int)col + NewTolerance;
if( min < 0 )
min = 0;
if( max > 255 )
max = 255;
cache->MinMap[i][ y * cache->Width + x ] = min;
cache->MaxMap[i][ y * cache->Width + x ] = max;
}
}
}
}
void KeepColorRange(int RMin, int RMax, int GMin, int GMax, int BMin, int BMax)
{
FileDebug("Started KeepColorRange");
if (CurScreenshot->Pixels == NULL)
{
FileDebug("WARNING:Screenshot buffer is null when trying to extract gradient!");
return;
}
int Width = CurScreenshot->Right - CurScreenshot->Left;
for (int y = 0; y < CurScreenshot->GetHeight(); y += 1)
for (int x = 0; x < CurScreenshot->GetWidth(); x += 1)
{
int Color = CurScreenshot->Pixels[y * Width + x];
float B = GetRValue(Color);
float G = GetGValue(Color);
float R = GetBValue(Color);
if (R >= RMin && R <= RMax && G >= GMin && G <= GMax && B >= BMin && B <= BMax)
CurScreenshot->Pixels[y * Width + x] = 0;
else
CurScreenshot->Pixels[y * Width + x] = TRANSPARENT_COLOR;
}
FileDebug("Finished KeepColorRange");
}
void WINAPI MoveScreenshotToCache( char *Name )
{
if( CurScreenshot->Pixels == NULL )
{
FileDebug( "Can not move screenshot to cache because there are no screenshots" );
return;
}
if( NrPicturesCached >= MAX_PICTURE_CACHE_COUNT )
{
FileDebug( "Skipped caching image as no more cache slots available" );
return;
}
FileDebug( "Started caching screenshot" );
strcpy_s( PictureCache[NrPicturesCached].FileName, DEFAULT_STR_BUFFER_SIZE, Name );
PictureCache[NrPicturesCached].NameHash = GetStrHash( Name );
PictureCache[ NrPicturesCached ].LoadedPicture = NULL;
int PixelsByteSize = CurScreenshot->GetWidth() * CurScreenshot->GetHeight() * sizeof( COLORREF );
PictureCache[ NrPicturesCached ].Pixels = (LPCOLORREF) _aligned_malloc( PixelsByteSize, SSE_ALIGNMENT );
memcpy( PictureCache[ NrPicturesCached ].Pixels, CurScreenshot->Pixels, PixelsByteSize );
PictureCache[ NrPicturesCached ].Width = CurScreenshot->GetWidth();
PictureCache[ NrPicturesCached ].Height = CurScreenshot->GetHeight();
PictureCache[NrPicturesCached].NeedsPSCache = true;
PictureCache[NrPicturesCached].NeedsSSCache = true;
NrPicturesCached++;
FileDebug( "\tFinished caching screenshot" );
}
char* WINAPI IsAnythingChanced( int StartX, int StartY, int EndX, int EndY )
{
FileDebug( "Started IsAnythingChanced" );
ReturnBuffIAC[0] = 0;
if( CurScreenshot->Pixels == NULL )
{
FileDebug( "Skipping change search as no screenshot is available" );
return "0|0|0";
}
// probably too lazy to set cords, reuse from previous screenshot
if (StartX == EndX || StartY == EndY)
{
// take the screenshot
TakeScreenshot(CurScreenshot->Left, CurScreenshot->Top, CurScreenshot->Right, CurScreenshot->Bottom);
}
if (PrevScreenshot == NULL || PrevScreenshot->Pixels == NULL)
{
FileDebug( "Skipping change search as no secondary screenshot is available" );
return "0|0|0";
}
if( CurScreenshot->Left != PrevScreenshot->Left || CurScreenshot->Right != PrevScreenshot->Right || CurScreenshot->Top != PrevScreenshot->Top || CurScreenshot->Bottom != PrevScreenshot->Bottom )
{
FileDebug( "Screenshots were not taken from same place. Can't compare" );
return "0|0|0";
}
if( StartY > EndY || StartX > EndX )
{
FileDebug( "Third / Fourth parameter does not seem to be width / height" );
return "0|0|0";
}
int Width = CurScreenshot->Right - CurScreenshot->Left;
// int Height = CurScreenshot->Bottom - CurScreenshot->Top;
for( int y = StartY; y < EndY; y++ )
for( int x = StartX; x < EndX; x++ )
if( CurScreenshot->Pixels[ y * Width + x ] != PrevScreenshot->Pixels[ y * Width + x ] )
{
sprintf_s( ReturnBuffIAC, DEFAULT_STR_BUFFER_SIZE*10, "1|%d|%d", x, y );
FileDebug( ReturnBuffIAC );
return ReturnBuffIAC;
}
FileDebug( "\tEnd IsAnythingChanced" );
return "0|0|0";
}
void TakeNewScreenshot( int aLeft, int aTop, int aRight, int aBottom )
{
if( CurScreenshot->Pixels != NULL )
{
FileDebug( "Can not take screenshot as older one was not yet released." );
return;
}
CurScreenshot->Left = aLeft;
CurScreenshot->Top = aTop;
CurScreenshot->Right = aRight;
CurScreenshot->Bottom = aBottom;
CurScreenshot->NeedsSSCache = true;
CurScreenshot->NeedsPSCache = true;
CurScreenshot->NeedsAlphaRemoved = true;
CurScreenshot->NeedsSplitChannelCache = true;
CurScreenshot->BytesPerPixel = 4;
HDC sdc = NULL;
HBITMAP hbitmap_screen = NULL;
HGDIOBJ sdc_orig_select = NULL;
COLORREF trans_color = CLR_NONE; // The default must be a value that can't occur naturally in an image.
// Create an empty bitmap to hold all the pixels currently visible on the screen that lie within the search area:
int search_width = aRight - aLeft;
int search_height = aBottom - aTop;
int MaxWidth, MaxHeight;
GetMaxDesktopResolution( &MaxWidth, &MaxHeight );
if( aLeft + search_width > MaxWidth )
search_width = MaxWidth - aLeft;
if( aTop + search_height > MaxHeight )
search_height = MaxHeight - aTop;
//make sure we did not capture more than we could. Avoid illegal memory read errors on bad screenshot params
if( CurScreenshot->Right - CurScreenshot->Left > search_width )
CurScreenshot->Right = CurScreenshot->Left + search_width;
if( CurScreenshot->Bottom - CurScreenshot->Top > search_height )
CurScreenshot->Bottom = CurScreenshot->Top + search_height;
HDC hdc = GetDC(NULL);
if( !hdc )
{
return;
}
sdc = CreateCompatibleDC(hdc);
if( !sdc )
goto end;
hbitmap_screen = CreateCompatibleBitmap(hdc, search_width, search_height);
if( !hbitmap_screen )
goto end;
sdc_orig_select = SelectObject(sdc, hbitmap_screen);
if( !sdc_orig_select )
goto end;
// Copy the pixels in the search-area of the screen into the DC to be searched:
if( !(BitBlt(sdc, 0, 0, search_width, search_height, hdc, aLeft, aTop, SRCCOPY)) )
goto end;
LONG screen_width, screen_height;
bool screen_is_16bit;
CurScreenshot->Pixels = getbits(hbitmap_screen, sdc, screen_width, screen_height, screen_is_16bit);
if( !CurScreenshot->Pixels )
goto end;
LONG Pixels_count = screen_width * screen_height;
// If either is 16-bit, convert *both* to the 16-bit-compatible 32-bit format:
if( screen_is_16bit )
{
if (trans_color != CLR_NONE)
trans_color &= 0x00F8F8F8; // Convert indicated trans-color to be compatible with the conversion below.
for (int i = 0; i < Pixels_count; ++i)
CurScreenshot->Pixels[i] &= 0x00F8F8F8; // Highest order byte must be masked to zero for consistency with use of 0x00FFFFFF below.
}
end:
// If found==false when execution reaches here, ErrorLevel is already set to the right value, so just
// clean up then return.
ReleaseDC(NULL, hdc);
if (sdc)
{
if (sdc_orig_select) // i.e. the original call to SelectObject() didn't fail.
SelectObject(sdc, sdc_orig_select); // Probably necessary to prevent memory leak.
DeleteDC(sdc);
}
if (hbitmap_screen)
DeleteObject(hbitmap_screen);
}
void WINAPI KeepGradient(int Color, float MaxChange)
{
FileDebug("Started KeepGradient");
KeepGradientRegion(Color, MaxChange, 0, 0, CurScreenshot->GetWidth(), CurScreenshot->GetHeight());
FileDebug("Finished KeepGradient");
}
void WINAPI SetGradientToColor(int Color, float MaxChange, int NewColor)
{
FileDebug("Started SetGradientToColor");
SetGradientToColorRegion(Color, MaxChange, NewColor, 0, 0, CurScreenshot->GetWidth(), CurScreenshot->GetHeight());
FileDebug("Finished SetGradientToColor");
}
