mirror of
https://github.com/WinampDesktop/winamp.git
synced 2024-12-03 20:57:16 +01:00
309 lines
8.1 KiB
C++
309 lines
8.1 KiB
C++
|
#include "./main.h"
|
||
|
|
#include "./graphics.h"
|
||
|
|
|
||
|
|
#include <math.h>
|
||
|
|
#include <strsafe.h>
|
||
|
|
|
||
|
|
|
||
|
|
INT GetColorDistance(COLORREF rgb1, COLORREF rgb2)
|
||
|
|
{
|
||
|
|
return (1000 * ((GetRValue(rgb1) - GetRValue(rgb2)) +
|
||
|
|
(GetGValue(rgb1) - GetGValue(rgb2)) +
|
||
|
|
(GetBValue(rgb1) - GetBValue(rgb2))))/ (3 * 255);
|
||
|
|
}
|
||
|
|
|
||
|
|
COLORREF GetDarkerColor(COLORREF rgb1, COLORREF rgb2)
|
||
|
|
{
|
||
|
|
INT g1 = (GetRValue(rgb1)*299 + GetGValue(rgb1)*587 + GetBValue(rgb1)*114);
|
||
|
|
INT g2 = (GetRValue(rgb2)*299 + GetGValue(rgb2)*587 + GetBValue(rgb2)*114);
|
||
|
|
return (g1 < g2) ? rgb1 : rgb2;
|
||
|
|
}
|
||
|
|
|
||
|
|
COLORREF BlendColors(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);
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL Image_Colorize(BYTE *pPixels, LONG cx, LONG cy, WORD bpp, COLORREF rgbBk, COLORREF rgbFg, BOOL removeAlpha)
|
||
|
|
{
|
||
|
|
LONG pitch, x;
|
||
|
|
INT step;
|
||
|
|
BYTE rFg, gFg, bFg;
|
||
|
|
LPBYTE cursor, line;
|
||
|
|
|
||
|
|
if (bpp < 24) return FALSE;
|
||
|
|
|
||
|
|
step = (bpp>>3);
|
||
|
|
pitch = cx*step;
|
||
|
|
while (pitch%4) pitch++;
|
||
|
|
|
||
|
|
rFg = GetRValue(rgbFg); gFg = GetGValue(rgbFg); bFg = GetBValue(rgbFg);
|
||
|
|
|
||
|
|
INT bK = (bFg - GetBValue(rgbBk));
|
||
|
|
INT gK = (gFg - GetGValue(rgbBk));
|
||
|
|
INT rK = (rFg - GetRValue(rgbBk));
|
||
|
|
|
||
|
|
if (24 == bpp)
|
||
|
|
{
|
||
|
|
for (line = pPixels; cy-- != 0; line += pitch )
|
||
|
|
{
|
||
|
|
for (x = cx, cursor = line; x-- != 0; cursor += 3)
|
||
|
|
{
|
||
|
|
cursor[0] = bFg - (bK*(255 - cursor[0])>>8);
|
||
|
|
cursor[1] = gFg - (gK*(255 - cursor[1])>>8);
|
||
|
|
cursor[2] = rFg - (rK*(255 - cursor[2])>>8);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (32 == bpp)
|
||
|
|
{
|
||
|
|
if (removeAlpha)
|
||
|
|
{
|
||
|
|
BYTE rBk, gBk, bBk;
|
||
|
|
rBk = GetRValue(rgbBk); gBk = GetGValue(rgbBk); bBk = GetBValue(rgbBk);
|
||
|
|
for (line = pPixels; cy-- != 0; line += pitch )
|
||
|
|
{
|
||
|
|
for (x = cx, cursor = line; x-- != 0; cursor += 4)
|
||
|
|
{
|
||
|
|
if (0x00 == cursor[3])
|
||
|
|
{
|
||
|
|
cursor[0] = bBk;
|
||
|
|
cursor[1] = gBk;
|
||
|
|
cursor[2] = rBk;
|
||
|
|
cursor[3] = 0xFF;
|
||
|
|
}
|
||
|
|
else if (0xFF == cursor[3])
|
||
|
|
{
|
||
|
|
cursor[0] = bFg - (bK*(255 - cursor[0])>>8);
|
||
|
|
cursor[1] = gFg - (gK*(255 - cursor[1])>>8);
|
||
|
|
cursor[2] = rFg - (rK*(255 - cursor[2])>>8);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
cursor[0] = ((bFg - (bK*(255 - cursor[0])>>8))*cursor[3] + (((255 - cursor[3])*255 + 127)/255)*bBk + 127)/255;
|
||
|
|
cursor[1] = ((gFg - (gK*(255 - cursor[1])>>8))*cursor[3] + (((255 - cursor[3])*255 + 127)/255)*gBk + 127)/255;
|
||
|
|
cursor[2] = ((rFg - (rK*(255 - cursor[2])>>8))*cursor[3] + (((255 - cursor[3])*255 + 127)/255)*rBk + 127)/255;
|
||
|
|
cursor[3] = 0xFF;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
for (line = pPixels; cy-- != 0; line += pitch )
|
||
|
|
{
|
||
|
|
for (x = cx, cursor = line; x-- != 0; cursor += 4)
|
||
|
|
{
|
||
|
|
cursor[0] = bFg - (bK*(255 - cursor[0])>>8);
|
||
|
|
cursor[1] = gFg - (gK*(255 - cursor[1])>>8);
|
||
|
|
cursor[2] = rFg - (rK*(255 - cursor[2])>>8);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL Image_BlendOnColorEx(BYTE *pPixels, INT bitmapCX, INT bitmapCY, LONG x, LONG y, LONG cx, LONG cy, WORD bpp, BOOL premult, COLORREF rgb)
|
||
|
|
{
|
||
|
|
LONG pitch;
|
||
|
|
WORD r, g, b;
|
||
|
|
INT step = (bpp>>3);
|
||
|
|
LPBYTE line, cursor;
|
||
|
|
pitch = bitmapCX * step;
|
||
|
|
while (pitch%4) pitch++;
|
||
|
|
|
||
|
|
if (bpp != 32)
|
||
|
|
return TRUE;
|
||
|
|
|
||
|
|
if (cy < 0) cy -= cy;
|
||
|
|
|
||
|
|
r = GetRValue(rgb); g = GetGValue(rgb); b = GetBValue(rgb);
|
||
|
|
|
||
|
|
INT ofs = (bitmapCY > 0) ? (bitmapCY - (y + cy)) : y;
|
||
|
|
line = pPixels + pitch * ofs + x*step;
|
||
|
|
|
||
|
|
if (premult)
|
||
|
|
{
|
||
|
|
for (; cy-- != 0; line += pitch)
|
||
|
|
{
|
||
|
|
for (x = cx, cursor = line; x-- != 0; cursor += 4)
|
||
|
|
{
|
||
|
|
if (0x00 == cursor[3])
|
||
|
|
{
|
||
|
|
cursor[0] = (BYTE)b;
|
||
|
|
cursor[1] = (BYTE)g;
|
||
|
|
cursor[2] = (BYTE)r;
|
||
|
|
cursor[3] = 0xFF;
|
||
|
|
}
|
||
|
|
else if (cursor[3] != 0xFF)
|
||
|
|
{
|
||
|
|
WORD a = 255 - cursor[3];
|
||
|
|
WORD destB = (cursor[0] * 255 + a * b + 127) / 255;
|
||
|
|
WORD destG = (cursor[1] * 255 + a * g + 127) / 255;
|
||
|
|
WORD destR = (cursor[2] * 255 + a * r + 127) / 255;
|
||
|
|
|
||
|
|
cursor[0] = (destB > 0xFF) ? 0xFF : destB;
|
||
|
|
cursor[1] = (destG > 0xFF) ? 0xFF : destG;
|
||
|
|
cursor[2] = (destR > 0xFF) ? 0xFF : destR;
|
||
|
|
cursor[3] = 0xFF;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
for (; cy-- != 0; line += pitch)
|
||
|
|
{
|
||
|
|
for (x = cx, cursor = line; x-- != 0; cursor += 4)
|
||
|
|
{
|
||
|
|
if (0x00 == cursor[3])
|
||
|
|
{
|
||
|
|
cursor[0] = (BYTE)b;
|
||
|
|
cursor[1] = (BYTE)g;
|
||
|
|
cursor[2] = (BYTE)r;
|
||
|
|
cursor[3] = 0xFF;
|
||
|
|
}
|
||
|
|
else if (cursor[3] != 0xFF)
|
||
|
|
{
|
||
|
|
WORD a = (((255 - cursor[3])*255 + 127)/255);
|
||
|
|
cursor[0] = (cursor[0]*cursor[3] + a*b + 127)/255;
|
||
|
|
cursor[1] = (cursor[1]*cursor[3] + a*g + 127)/255;
|
||
|
|
cursor[2] = (cursor[2]*cursor[3] + a*r + 127)/255;
|
||
|
|
cursor[3] = 0xFF;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL Image_BlendOnColor(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_BlendOnColorEx((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);
|
||
|
|
}
|
||
|
|
|
||
|
|
HBITMAP Image_AnimateRotation(HDC hdc, HBITMAP bitmapFrame, INT frameCount, COLORREF rgbBk, BOOL fKeepSize)
|
||
|
|
{
|
||
|
|
if (NULL == bitmapFrame)
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
BITMAP bm;
|
||
|
|
if (sizeof(BITMAP) != GetObject(bitmapFrame, sizeof(BITMAP), &bm))
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
if (bm.bmHeight < 0) bm.bmHeight = -bm.bmHeight;
|
||
|
|
|
||
|
|
HBITMAP hbmp = NULL;
|
||
|
|
|
||
|
|
HDC hdcDst = CreateCompatibleDC(hdc);
|
||
|
|
HDC hdcSrc = CreateCompatibleDC(hdc);
|
||
|
|
if (NULL != hdcDst && NULL != hdcSrc)
|
||
|
|
{
|
||
|
|
INT side;
|
||
|
|
if (FALSE == fKeepSize)
|
||
|
|
side = (INT)ceil(_hypot(bm.bmWidth, bm.bmHeight));
|
||
|
|
else
|
||
|
|
{
|
||
|
|
side = bm.bmWidth;
|
||
|
|
if (bm.bmHeight > side)
|
||
|
|
side = bm.bmHeight;
|
||
|
|
}
|
||
|
|
hbmp = CreateCompatibleBitmap(hdc, side, side * frameCount);
|
||
|
|
if (NULL != hbmp)
|
||
|
|
{
|
||
|
|
LONG centerX, centerY;
|
||
|
|
centerX = side/2;
|
||
|
|
centerY = side/2;
|
||
|
|
|
||
|
|
XFORM xForm;
|
||
|
|
ZeroMemory(&xForm, sizeof(XFORM));
|
||
|
|
|
||
|
|
HBITMAP hbmpFrameOld = (HBITMAP)SelectObject(hdcSrc, bitmapFrame);
|
||
|
|
HBITMAP hbmpOld = (HBITMAP)SelectObject(hdcDst, hbmp);
|
||
|
|
|
||
|
|
RECT rcFill;
|
||
|
|
SetRect(&rcFill, 0, 0, side, side * frameCount);
|
||
|
|
SetBkColor(hdcDst, rgbBk);
|
||
|
|
ExtTextOut(hdcDst, 0, 0, ETO_OPAQUE, &rcFill, NULL, 0, NULL);
|
||
|
|
INT graphicsMode = SetGraphicsMode(hdcDst, GM_ADVANCED);
|
||
|
|
INT top = (side - bm.bmHeight)/2;
|
||
|
|
INT left = (side - bm.bmWidth)/2;
|
||
|
|
|
||
|
|
for (INT i = 0; i < frameCount; i++)
|
||
|
|
{
|
||
|
|
double fangle = (double)(360/frameCount * i)/180. * 3.1415926;
|
||
|
|
xForm.eM11 = (float)cos(fangle);
|
||
|
|
xForm.eM12 = (float)sin(fangle);
|
||
|
|
xForm.eM21 = (float)-sin(fangle);
|
||
|
|
xForm.eM22 = (float)cos(fangle);
|
||
|
|
xForm.eDx = (float)(centerX - cos(fangle)*centerX + sin(fangle)*centerY);
|
||
|
|
xForm.eDy = (float)(centerY - cos(fangle)*centerY - sin(fangle)*centerX);
|
||
|
|
SetWorldTransform(hdcDst, &xForm);
|
||
|
|
BitBlt(hdcDst, left, top, bm.bmWidth, bm.bmHeight, hdcSrc, 0, 0, SRCCOPY);
|
||
|
|
centerY += side;
|
||
|
|
top += side;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
SetGraphicsMode(hdcDst, graphicsMode);
|
||
|
|
ModifyWorldTransform(hdcDst, NULL, MWT_IDENTITY);
|
||
|
|
|
||
|
|
SelectObject(hdcSrc, hbmpFrameOld);
|
||
|
|
SelectObject(hdcDst, hbmpOld);
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (NULL != hdcDst) DeleteDC(hdcDst);
|
||
|
|
if (NULL != hdcSrc) DeleteDC(hdcSrc);
|
||
|
|
|
||
|
|
return hbmp;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL Image_Premultiply(BYTE *pPixels, LONG cx, LONG cy)
|
||
|
|
{
|
||
|
|
LONG pitch, x;
|
||
|
|
pitch = cx* 4;
|
||
|
|
LPBYTE cursor, line;
|
||
|
|
|
||
|
|
for (line = pPixels; cy-- != 0; line += pitch )
|
||
|
|
{
|
||
|
|
for (x = cx, cursor = line; x-- != 0; cursor += 4)
|
||
|
|
{
|
||
|
|
if (0x00 == cursor[3])
|
||
|
|
{
|
||
|
|
cursor[0] = 0x00;
|
||
|
|
cursor[1] = 0x00;
|
||
|
|
cursor[2] = 0x00;
|
||
|
|
}
|
||
|
|
else if (0xFF != cursor[3])
|
||
|
|
{
|
||
|
|
cursor[0] = (cursor[0] * cursor[3]) >> 8;
|
||
|
|
cursor[1] = (cursor[1] * cursor[3]) >> 8;
|
||
|
|
cursor[2] = (cursor[2] * cursor[3]) >> 8;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL Image_AlphaBlend(HDC hdcDest, int nXOriginDest, int nYOriginDest, int nWidthDest, int nHeightDest, HDC hdcSrc, int nXOriginSrc, int nYOriginSrc, int nWidthSrc, int nHeightSrc, BLENDFUNCTION blendFunction)
|
||
|
|
{
|
||
|
|
return AlphaBlend(hdcDest, nXOriginDest, nYOriginDest, nWidthDest, nHeightDest, hdcSrc, nXOriginSrc, nYOriginSrc, nWidthSrc, nHeightSrc, blendFunction);
|
||
|
|
}
|