434 lines
10 KiB
C++
434 lines
10 KiB
C++
#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);
|
|
} |