Merge pull request #5 from WinampDesktop/community

Merge to main

1 files changed, 130 insertions, 0 deletions

diff --git a/Src/Plugins/General/gen_ml/graphics.cpp b/Src/Plugins/General/gen_ml/graphics.cpp
new file mode 100644
index 00000000..6fcded96
--- /dev/null
+++ b/Src/Plugins/General/gen_ml/graphics.cpp
@@ -0,0 +1,130 @@
+#include ".\graphics.h"
+#include "ml.h"
+#include <math.h>
+
+HBITMAP CreateBitmapMask(HBITMAP originalBmp, int cx, int cy)
+{
+	return CreateBitmapMask(originalBmp, NULL, cx, cy);
+}
+
+HBITMAP CreateBitmapMask(HBITMAP originalBmp, COLORREF transColor)
+{
+	return CreateBitmapMask(originalBmp, transColor, 0, 0);
+}
+
+HBITMAP CreateBitmapMask(HBITMAP originalBmp, COLORREF transColor, int cx, int cy)
+{
+	HDC hdcMem, hdcMem2;
+	HBITMAP hbmMask;
+	BITMAP bm;
+
+	GetObjectW(originalBmp, sizeof(BITMAP), &bm);
+	hbmMask = CreateBitmap(bm.bmWidth, bm.bmHeight, 1, 1, NULL);
+
+	hdcMem = CreateCompatibleDC(0);
+	hdcMem2 = CreateCompatibleDC(0);
+
+	HBITMAP obmp = (HBITMAP)SelectObject(hdcMem, originalBmp);
+	HBITMAP omsk = (HBITMAP)SelectObject(hdcMem2, hbmMask);
+
+	if (transColor == NULL) transColor = GetPixel(hdcMem, cx, cy);
+
+	COLORREF oldColorBK = SetBkColor(hdcMem, transColor);
+
+	BitBlt(hdcMem2, 0, 0, bm.bmWidth, bm.bmHeight, hdcMem, 0, 0, SRCCOPY);
+
+	BitBlt(hdcMem, 0, 0, bm.bmWidth, bm.bmHeight, hdcMem2, 0, 0, SRCINVERT);
+
+	SetBkColor(hdcMem, oldColorBK);
+
+	SelectObject(hdcMem, obmp);
+	SelectObject(hdcMem2, omsk);
+
+	DeleteDC(hdcMem);
+	DeleteDC(hdcMem2);
+
+    return hbmMask;
+}
+
+HBITMAP ConvertTo24bpp(HBITMAP bmp, int bpp)
+{
+	HDC hdcMem, hdcMem2;
+	HBITMAP hbm24;
+	BITMAP bm;
+
+	GetObjectW(bmp, sizeof(BITMAP), &bm);
+
+	hdcMem = CreateCompatibleDC(0);
+	hdcMem2 = CreateCompatibleDC(0);
+
+	void *bits;
+	BITMAPINFOHEADER bi;
+
+	ZeroMemory (&bi, sizeof (bi));
+	bi.biSize = sizeof (bi);
+	bi.biWidth= bm.bmWidth;
+	bi.biHeight = -bm.bmHeight;
+	bi.biPlanes = 1;
+	bi.biBitCount= (WORD)(0xFF & bpp);
+
+	hbm24 = CreateDIBSection(hdcMem2, (BITMAPINFO *)&bi, DIB_RGB_COLORS, &bits, NULL, NULL);
+
+	HBITMAP oBmp = (HBITMAP)SelectObject(hdcMem, bmp);
+	HBITMAP oBmp24 = (HBITMAP)SelectObject(hdcMem2, hbm24);
+
+	BitBlt(hdcMem2, 0, 0, bm.bmWidth, bm.bmHeight, hdcMem, 0, 0, SRCCOPY);
+
+	SelectObject(hdcMem, oBmp);
+	SelectObject(hdcMem2, oBmp24);
+
+	DeleteDC(hdcMem);
+	DeleteDC(hdcMem2);
+
+    return hbm24;
+}
+
+
+// works only with DIB
+HBITMAP PatchBitmapColors24(HBITMAP bitmap, COLORREF color1, COLORREF color2, BMPFILTERPROC filterProc)
+{
+	BITMAP bm;
+
+	COLOR24 clrBG, clrFG;
+	INT x, y;
+
+	if (!filterProc) return NULL;
+
+	if (!GetObjectW(bitmap, sizeof(BITMAP), &bm) || !bm.bmBits || 24 != bm.bmBitsPixel) return NULL;
+
+	clrBG.rgbRed	= (BYTE)(0xFF & color1);
+	clrFG.rgbRed	= (BYTE)(0xFF & color2);
+	clrBG.rgbGreen	= (BYTE)(0xFF & (color1>>8));
+	clrFG.rgbGreen	= (BYTE)(0xFF & (color2>>8));
+	clrBG.rgbBlue	= (BYTE)(0xFF & (color1>>16));
+	clrFG.rgbBlue	= (BYTE)(0xFF & (color2>>16));
+
+	for (y = 0; y < bm.bmHeight; y++)
+	{
+		LONG width = (bm.bmWidthBytes%4)?bm.bmWidth*4:bm.bmWidthBytes;
+		// bm.bmWidthBytes can lie so is safer to go with bm.bmWidth if the dword alignment cbeck fails
+		// http://blogs.msdn.com/oldnewthing/archive/2004/10/26/247918.aspx#248529
+		COLOR24 *cursor = (COLOR24*)(((BYTE*)bm.bmBits) + (width*y));
+		for (x = 0; x < bm.bmWidth; x++, cursor++) filterProc(&clrBG, &clrFG, cursor);
+	}
+	return bitmap;
+}
+
+void Filter1(const COLOR24 *color1, const COLOR24 *color2, COLOR24 *pixel)
+{
+	pixel->rgbBlue	= (BYTE)(color1->rgbBlue - (int)((1.f -  (pixel->rgbBlue /255.f))* (color1->rgbBlue - color2->rgbBlue)));
+	pixel->rgbGreen = (BYTE)(color1->rgbGreen - (int)((1.f -  (pixel->rgbGreen /255.f))* (color1->rgbGreen - color2->rgbGreen)));
+	pixel->rgbRed	= (BYTE)(color1->rgbRed - (int)((1.f -  (pixel->rgbRed /255.f))* (color1->rgbRed - color2->rgbRed)));
+}
+
+void Filter2(const COLOR24 *color1, const COLOR24 *color2, COLOR24 *pixel)
+{
+	float chrom = (float)pixel->rgbBlue / 255.f;
+	pixel->rgbBlue = (BYTE)(color1->rgbBlue * (1.f - chrom) + color2->rgbBlue * chrom);
+	pixel->rgbGreen = (BYTE)(color1->rgbGreen * (1.f - chrom) + color2->rgbGreen * chrom);
+	pixel->rgbRed = (BYTE)(color1->rgbRed * (1.f - chrom) + color2->rgbRed * chrom);
+}
\ No newline at end of file