Initial community commit

1 files changed, 434 insertions, 0 deletions

diff --git a/Src/auth/Loginbox/graphics.cpp b/Src/auth/Loginbox/graphics.cpp
new file mode 100644
index 00000000..2d338610
--- /dev/null
+++ b/Src/auth/Loginbox/graphics.cpp
@@ -0,0 +1,434 @@
+#include "./graphics.h"
+#include "./shlwapi.h"
+
+BOOL Image_ColorOverEx(BYTE *pPixels, INT bitmapCX, INT bitmapCY, LONG x, LONG y, LONG cx, LONG cy, WORD bpp, BOOL premult, COLORREF rgb)
+{
+	LONG pitch;
+	UINT a, r, g, b, ma, mr, mg, mb;
+	INT step = (bpp>>3);
+	LPBYTE line, cursor;
+	pitch = bitmapCX * step;
+	while (pitch%4) pitch++;
+
+	if (step < 3) 
+		return TRUE;
+
+	if (cy < 0) cy -= cy;
+
+	a = (LOBYTE((rgb)>>24)); r = GetRValue(rgb); g = GetGValue(rgb); b = GetBValue(rgb);
+	ma = 255 - a; mr = r * 255; mg = g * 255; mb = b * 255;
+
+	if (0 == a)
+		return TRUE;
+
+	INT ofs = (bitmapCY > 0) ? (bitmapCY - (y + cy)) : y;
+	line = pPixels + pitch * ofs + x*step;
+
+	if (0xFF == a) 
+	{
+		for (; cy-- != 0; line += pitch)
+		{
+			for (x = cx, cursor = line; x-- != 0; cursor += step) 
+			{
+				cursor[0] = (BYTE)b;
+				cursor[1] = (BYTE)g;
+				cursor[2] = (BYTE)r;
+			//	cursor[3] = 0xFF;
+			}
+		}
+		return TRUE;
+	}
+
+	if (premult)
+	{
+		for (; cy-- != 0; line += pitch)
+		{
+			for (x = cx, cursor = line; x-- != 0; cursor += step) 
+			{
+				UINT t = (mb + ma * cursor[0] + 127) / 255;
+				cursor[0] = (t > 0xFF) ? 0xFF : t;
+				t = (mg + ma * cursor[1] + 127) / 255;
+				cursor[1] = (t > 0xFF) ? 0xFF : t;
+				t = (mr+ ma * cursor[2] + 127) / 255;
+				cursor[2] = (t > 0xFF) ? 0xFF : t;
+			}
+		}
+	}
+	else
+	{
+		WORD k = (((255 - a)*255 + 127)/255);
+		for (; cy-- != 0; line += pitch)
+		{
+			for (x = cx, cursor = line; x-- != 0; cursor += step) 
+			{
+				cursor[0] = (b*a + k*cursor[0] + 127)/255;
+				cursor[1] = (g*a + k*cursor[1] + 127)/255;
+				cursor[2] = (r*a + k*cursor[2] + 127)/255;
+	//			cursor[3] = (a*a + k*cursor[3] + 127)/255;
+			}
+		}
+	}
+	return TRUE;
+}
+
+
+BOOL Image_ColorizeEx(BYTE *pPixels, INT bitmapCX, INT bitmapCY, LONG x, LONG y, LONG cx, LONG cy, WORD bpp, BOOL premult, COLORREF rgbBottom, COLORREF rgbTop)
+{
+	LONG pitch;
+	UINT rBottom, gBottom, bBottom;
+	UINT rTop, gTop, bTop;
+	INT step = (bpp>>3);
+	LPBYTE startLine, line, cursor;
+	pitch = bitmapCX * step;
+	while (pitch%4) pitch++;
+	
+	if (cy < 0) 
+		cy = -cy;
+
+	rBottom = GetRValue(rgbBottom); 
+	gBottom = GetGValue(rgbBottom); 
+	bBottom = GetBValue(rgbBottom);
+
+	rTop = GetRValue(rgbTop);
+	gTop = GetGValue(rgbTop);
+	bTop = GetBValue(rgbTop);
+
+	UINT a, k;
+	
+	INT ofs = (bitmapCY > 0) ? (bitmapCY - (y + cy)) : y;
+	startLine = pPixels + pitch * ofs + x*step;
+	
+	line = startLine;
+
+	for (y = cy; y-- != 0; line += pitch)
+	{	
+		for (x = cx, cursor = line; x-- != 0; cursor += step) 
+		{
+			a = (255- cursor[2]);
+			if (a < 0) a = 0;
+			if (a > 254) 
+			{
+				cursor[0] = bTop;
+				cursor[1] = gTop;
+				cursor[2] = rTop;
+			}
+			else if (a== 0)
+			{
+				cursor[0] = bBottom;
+				cursor[1] = gBottom;
+				cursor[2] = rBottom;
+			}
+			else
+			{
+				k = (((255 - a)*255 + 127)/255);
+				cursor[0] = (bTop * a + k*bBottom + 127)/255;
+				cursor[1] = (gTop * a + k*gBottom + 127)/255;
+				cursor[2] = (rTop * a + k*rBottom + 127)/255;
+			}
+		}
+	}
+	
+
+	if (32 == bpp && FALSE != premult)
+	{
+		line = startLine;
+		for (y = cy; y-- != 0; line += pitch)
+		{	
+			for (x = cx, cursor = line; x-- != 0; cursor += step) 
+			{
+				a = cursor[3];
+				k = MulDiv(cursor[0], a, 255);
+				cursor[0] = (k < 255) ? k : 255;
+				k = MulDiv(cursor[1], a, 255);
+				cursor[1] = (k < 255) ? k : 255;
+				k = MulDiv(cursor[2], a, 255);
+				cursor[2] = (k < 255) ? k : 255;
+			}
+		}
+	}
+
+
+	return TRUE;
+}
+
+
+BOOL Image_PremultiplyEx(BYTE *pPixels, INT bitmapCX, INT bitmapCY, LONG x, LONG y, LONG cx, LONG cy, WORD bpp)
+{
+	if (32 != bpp) 
+		return FALSE;
+
+	LONG pitch;
+	INT step = (bpp>>3);
+	LPBYTE line, cursor;
+	pitch = bitmapCX * step;
+	while (pitch%4) pitch++;
+	
+	if (cy < 0) 
+		cy = -cy;
+	
+	INT ofs = (bitmapCY > 0) ? (bitmapCY - (y + cy)) : y;
+	line = pPixels + pitch * ofs + x*step;
+	
+	UINT a,k;
+	for (; cy-- != 0; line += pitch)
+	{	
+		for (x = cx, cursor = line; x-- != 0; cursor += step) 
+		{
+			a = cursor[3];
+			if (0 == a)
+			{
+				cursor[0] = 0;
+				cursor[1] = 0;
+				cursor[2] = 0;
+			}
+			else if (255 != a)
+			{
+				k = MulDiv((UINT)cursor[0], a, 255);
+				cursor[0] = (k < 255) ? k : 255;
+				k = MulDiv((UINT)cursor[1], a, 255);
+				cursor[1] = (k < 255) ? k : 255;
+				k = MulDiv((UINT)cursor[2], a, 255);
+				cursor[2] = (k < 255) ? k : 255;
+			}
+		}
+	}
+	
+	return TRUE;
+}
+
+BOOL Image_SaturateEx(BYTE *pPixels, INT bitmapCX, INT bitmapCY, LONG x, LONG y, LONG cx, LONG cy, WORD bpp, INT n, BOOL fScale)
+{
+	if (32 != bpp) 
+		return FALSE;
+
+	LONG pitch;
+	INT step = (bpp>>3);
+	LPBYTE line, cursor;
+	pitch = bitmapCX * step;
+	while (pitch%4) pitch++;
+	
+	if (FALSE == fScale)
+	{
+		if (n < 0) n = 0;
+		else if (n > 1000) n = 1000;
+	}
+	else
+	{
+		if (n < -1000) n = -1000;
+		else if (n > 1000) n = 1000;
+	}
+
+	if (cy < 0) 
+		cy = -cy;
+
+	INT ofs = (bitmapCY > 0) ? (bitmapCY - (y + cy)) : y;
+	line = pPixels + pitch * ofs + x*step;
+	
+	COLORREF rgb;
+	INT k;
+	WORD h, l, s;
+
+	for (; cy-- != 0; line += pitch)
+	{	
+		for (x = cx, cursor = line; x-- != 0; cursor += step) 
+		{
+			rgb = RGB(cursor[2], cursor[1], cursor[0]);
+			ColorRGBToHLS(rgb, &h, &l, &s);
+			if(FALSE == fScale)
+				s = ((WORD)((240 * n)/1000));
+			else
+			{
+				k = s;
+				s = (WORD)(k + (k * n) /1000);
+			}
+			
+			rgb = ColorHLSToRGB(h, l, s);
+							
+			cursor[0] = GetBValue(rgb);
+			cursor[1] = GetGValue(rgb);
+			cursor[2] = GetRValue(rgb);
+		}
+	}
+	
+	return TRUE;
+}
+
+
+BOOL Image_AdjustAlphaEx(BYTE *pPixels, INT bitmapCX, INT bitmapCY, LONG x, LONG y, LONG cx, LONG cy, WORD bpp, INT n, BOOL fScale)
+{
+	if (32 != bpp) 
+		return FALSE;
+
+	LONG pitch;
+	INT step = (bpp>>3);
+	LPBYTE line, cursor;
+	pitch = bitmapCX * step;
+	while (pitch%4) pitch++;
+	
+	if (FALSE == fScale)
+	{
+		if (n < 0) n = 0;
+		else if (n > 1000) n = 1000;
+	}
+	else
+	{
+		if (n < -1000) n = -1000;
+		else if (n > 1000) n = 1000;
+	}
+
+	if (cy < 0) 
+		cy = -cy;
+
+	INT ofs = (bitmapCY > 0) ? (bitmapCY - (y + cy)) : y;
+	line = pPixels + pitch * ofs + x*step;
+
+	INT k;
+
+	for (; cy-- != 0; line += pitch)
+	{	
+		for (x = cx, cursor = line; x-- != 0; cursor += step) 
+		{
+			if(FALSE == fScale)
+				cursor[3] = ((BYTE)((255 * n)/1000));
+			else
+			{
+				k = cursor[3];
+				k = k + MulDiv(k, n, 1000);
+				if (k > 255) k = 255;
+				cursor[3] = (BYTE)k;
+			}
+		}
+	}
+	
+	return TRUE;
+}
+
+BOOL Image_AdjustSaturationAlphaEx(BYTE *pPixels, INT bitmapCX, INT bitmapCY, LONG x, LONG y, LONG cx, LONG cy, WORD bpp, INT nSaturation, INT nAlpha)
+{
+	if (32 != bpp) 
+		return FALSE;
+
+	LONG pitch;
+	INT step = (bpp>>3);
+	LPBYTE line, cursor;
+	pitch = bitmapCX * step;
+	while (pitch%4) pitch++;
+	
+	if (nSaturation < -1000) nSaturation = -1000;
+	else if (nSaturation > 1000) nSaturation = 1000;
+
+	if (nAlpha < -1000) nAlpha = -1000;
+	else if (nAlpha > 1000) nAlpha = 1000;
+
+	if (cy < 0) 
+		cy = -cy;
+
+	INT ofs = (bitmapCY > 0) ? (bitmapCY - (y + cy)) : y;
+	line = pPixels + pitch * ofs + x*step;
+
+	INT k;
+	COLORREF rgb;
+	WORD h, l, s;
+
+	for (; cy-- != 0; line += pitch)
+	{	
+		for (x = cx, cursor = line; x-- != 0; cursor += step) 
+		{
+			k = cursor[3];
+			k = k + MulDiv(k, nAlpha, 1000);
+			if (k > 255) k = 255;
+			cursor[3] = (BYTE)k;
+
+			rgb = RGB(cursor[2], cursor[1], cursor[0]);
+			ColorRGBToHLS(rgb, &h, &l, &s);
+			
+			k = s;
+			k = k + MulDiv(k, nSaturation, 1000);
+			if (k > 240) k = 240;
+			s = (WORD)k;
+			
+			rgb = ColorHLSToRGB(h, l, s);
+			cursor[0] = GetBValue(rgb);
+			cursor[1] = GetGValue(rgb);
+			cursor[2] = GetRValue(rgb);
+		}
+	}
+	
+	return TRUE;
+}
+BOOL Image_ColorOver(HBITMAP hbmp, RECT *prcPart, BOOL premult, COLORREF rgb)
+{
+	DIBSECTION dibsec;
+	if (!hbmp || sizeof(DIBSECTION) != GetObject(hbmp, sizeof(DIBSECTION), &dibsec) ||
+		BI_RGB != dibsec.dsBmih.biCompression || 1 != dibsec.dsBmih.biPlanes || dibsec.dsBm.bmBitsPixel != 32) 
+		return FALSE;
+
+	return Image_ColorOverEx((BYTE*)dibsec.dsBm.bmBits, dibsec.dsBm.bmWidth, dibsec.dsBm.bmHeight,
+					prcPart->left, prcPart->top,
+					prcPart->right - prcPart->left, prcPart->bottom - prcPart->top,
+					dibsec.dsBm.bmBitsPixel, premult, rgb);
+}
+
+BOOL Image_Premultiply(HBITMAP hbmp, RECT *prcPart)
+{
+	DIBSECTION dibsec;
+	if (!hbmp || sizeof(DIBSECTION) != GetObject(hbmp, sizeof(DIBSECTION), &dibsec) ||
+		BI_RGB != dibsec.dsBmih.biCompression || 1 != dibsec.dsBmih.biPlanes || dibsec.dsBm.bmBitsPixel != 32) 
+		return FALSE;
+
+	return Image_PremultiplyEx((BYTE*)dibsec.dsBm.bmBits, dibsec.dsBm.bmWidth, dibsec.dsBm.bmHeight,
+					prcPart->left, prcPart->top,
+					prcPart->right - prcPart->left, prcPart->bottom - prcPart->top,
+					dibsec.dsBm.bmBitsPixel);
+}
+
+BOOL Image_Saturate(HBITMAP hbmp, RECT *prcPart, INT n, BOOL fScale)
+{
+	DIBSECTION dibsec;
+	if (!hbmp || sizeof(DIBSECTION) != GetObject(hbmp, sizeof(DIBSECTION), &dibsec) ||
+		BI_RGB != dibsec.dsBmih.biCompression || 1 != dibsec.dsBmih.biPlanes || dibsec.dsBm.bmBitsPixel != 32) 
+		return FALSE;
+
+	return Image_SaturateEx((BYTE*)dibsec.dsBm.bmBits, dibsec.dsBm.bmWidth, dibsec.dsBm.bmHeight,
+					prcPart->left, prcPart->top,
+					prcPart->right - prcPart->left, prcPart->bottom - prcPart->top,
+					dibsec.dsBm.bmBitsPixel, n, fScale);
+}
+
+BOOL Image_AdjustAlpha(HBITMAP hbmp, RECT *prcPart, INT n, BOOL fScale)
+{
+	DIBSECTION dibsec;
+	if (!hbmp || sizeof(DIBSECTION) != GetObject(hbmp, sizeof(DIBSECTION), &dibsec) ||
+		BI_RGB != dibsec.dsBmih.biCompression || 1 != dibsec.dsBmih.biPlanes || dibsec.dsBm.bmBitsPixel != 32) 
+		return FALSE;
+
+	return Image_AdjustAlphaEx((BYTE*)dibsec.dsBm.bmBits, dibsec.dsBm.bmWidth, dibsec.dsBm.bmHeight,
+					prcPart->left, prcPart->top,
+					prcPart->right - prcPart->left, prcPart->bottom - prcPart->top,
+					dibsec.dsBm.bmBitsPixel, n, fScale);
+}
+
+BOOL Image_AdjustSaturationAlpha(HBITMAP hbmp, RECT *prcPart, INT nSaturation, INT nAlpha)
+{
+	DIBSECTION dibsec;
+	if (!hbmp || sizeof(DIBSECTION) != GetObject(hbmp, sizeof(DIBSECTION), &dibsec) ||
+		BI_RGB != dibsec.dsBmih.biCompression || 1 != dibsec.dsBmih.biPlanes || dibsec.dsBm.bmBitsPixel != 32) 
+		return FALSE;
+
+	return Image_AdjustSaturationAlphaEx((BYTE*)dibsec.dsBm.bmBits, dibsec.dsBm.bmWidth, dibsec.dsBm.bmHeight,
+					prcPart->left, prcPart->top,
+					prcPart->right - prcPart->left, prcPart->bottom - prcPart->top,
+					dibsec.dsBm.bmBitsPixel, nSaturation, nAlpha);
+}
+
+COLORREF Color_Blend(COLORREF rgbTop, COLORREF rgbBottom, INT alpha)
+{
+	if (alpha > 254) return rgbTop;
+	if (alpha < 0) return rgbBottom;
+
+	WORD k = (((255 - alpha)*255 + 127)/255);
+	
+	return RGB( (GetRValue(rgbTop)*alpha + k*GetRValue(rgbBottom) + 127)/255, 
+				(GetGValue(rgbTop)*alpha + k*GetGValue(rgbBottom) + 127)/255, 
+				(GetBValue(rgbTop)*alpha + k*GetBValue(rgbBottom) + 127)/255);
+}
\ No newline at end of file