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comdlg32: Return combined color from HSL -> RGB transform.

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Nikolay Sivov 2013-05-13 08:48:28 +04:00 committed by Alexandre Julliard
parent adbb96fb5c
commit 31351376d1
1 changed files with 27 additions and 35 deletions
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62
dlls/comdlg32/colordlg.c
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@ -87,21 +87,10 @@ typedef struct CCPRIVATE
HWND hwndFocus; /* handle last focused item */
} CCPRIV, *LPCCPRIV;
/***********************************************************************
* CC_HSLtoRGB [internal]
*/
static int CC_HSLtoRGB(char c, int hue, int sat, int lum)
static int hsl_to_x(int hue, int sat, int lum)
{
int res = 0, maxrgb;
/* hue */
switch(c)
{
case 'R': if (hue > 80) hue -= 80; else hue += 160; break;
case 'G': if (hue > 160) hue -= 160; else hue += 80; break;
case 'B': break;
}
/* l below 120 */
maxrgb = (256 * min(120,lum)) / 120; /* 0 .. 256 */
if (hue < 80)
@ -132,6 +121,25 @@ static int CC_HSLtoRGB(char c, int hue, int sat, int lum)
return min(res, 255);
}
/***********************************************************************
* CC_HSLtoRGB [internal]
*/
static COLORREF CC_HSLtoRGB(int hue, int sat, int lum)
{
int h, r, g, b;
/* r */
h = hue > 80 ? hue-80 : hue+160;
r = hsl_to_x(h, sat, lum);
/* g */
h = hue > 160 ? hue-160 : hue+80;
g = hsl_to_x(h, sat, lum);
/* b */
b = hsl_to_x(hue, sat, lum);
return RGB(r, g, b);
}
/***********************************************************************
* CC_RGBtoHSL [internal]
*/
@ -555,7 +563,7 @@ static void CC_PaintCross( HWND hDlg, int x, int y)
*/
static void CC_PrepareColorGraph( HWND hDlg )
{
int sdif, hdif, xdif, ydif, r, g, b, hue, sat;
int sdif, hdif, xdif, ydif, hue, sat;
HWND hwnd = GetDlgItem(hDlg, IDC_COLOR_GRAPH);
LPCCPRIV lpp = GetPropW( hDlg, szColourDialogProp );
HBRUSH hbrush;
@ -580,10 +588,7 @@ static void CC_PrepareColorGraph( HWND hDlg )
for(sat = 0; sat < 240 + sdif; sat += sdif)
{
rect.top = rect.bottom - ydif;
r = CC_HSLtoRGB('R', hue, sat, 120);
g = CC_HSLtoRGB('G', hue, sat, 120);
b = CC_HSLtoRGB('B', hue, sat, 120);
hbrush = CreateSolidBrush( RGB(r, g, b));
hbrush = CreateSolidBrush(CC_HSLtoRGB(hue, sat, 120));
FillRect(lpp->hdcMem, &rect, hbrush);
DeleteObject(hbrush);
rect.bottom = rect.top;
@ -625,7 +630,7 @@ static void CC_PaintLumBar( HWND hDlg, int hue, int sat )
{
HWND hwnd = GetDlgItem(hDlg, IDC_COLOR_LUMBAR);
RECT rect, client;
int lum, ldif, ydif, r, g, b;
int lum, ldif, ydif;
HBRUSH hbrush;
HDC hDC;
@ -640,10 +645,7 @@ static void CC_PaintLumBar( HWND hDlg, int hue, int sat )
for (lum = 0; lum < 240 + ldif; lum += ldif)
{
rect.top = max(0, rect.bottom - ydif);
r = CC_HSLtoRGB('R', hue, sat, lum);
g = CC_HSLtoRGB('G', hue, sat, lum);
b = CC_HSLtoRGB('B', hue, sat, lum);
hbrush = CreateSolidBrush( RGB(r, g, b) );
hbrush = CreateSolidBrush(CC_HSLtoRGB(hue, sat, lum));
FillRect(hDC, &rect, hbrush);
DeleteObject(hbrush);
rect.bottom = rect.top;
@ -1008,10 +1010,7 @@ static LRESULT CC_WMCommand( HWND hDlg, WPARAM wParam, LPARAM lParam, WORD notif
}
if (xx) /* something has changed */
{
r = CC_HSLtoRGB('R', lpp->h, lpp->s, lpp->l);
g = CC_HSLtoRGB('G', lpp->h, lpp->s, lpp->l);
b = CC_HSLtoRGB('B', lpp->h, lpp->s, lpp->l);
lpp->lpcc->rgbResult = RGB(r, g, b);
lpp->lpcc->rgbResult = CC_HSLtoRGB(lpp->h, lpp->s, lpp->l);
CC_PaintSelectedColor(hDlg, lpp->lpcc->rgbResult);
CC_EditSetRGB(hDlg, lpp->lpcc->rgbResult);
CC_PaintCross(hDlg, lpp->h, lpp->s);
@ -1120,7 +1119,6 @@ static LRESULT CC_WMLButtonUp( HWND hDlg )
static LRESULT CC_WMMouseMove( HWND hDlg, LPARAM lParam )
{
LPCCPRIV lpp = GetPropW( hDlg, szColourDialogProp );
int r, g, b;
if (lpp->capturedGraph)
{
@ -1132,10 +1130,7 @@ static LRESULT CC_WMMouseMove( HWND hDlg, LPARAM lParam )
}
if (CC_MouseCheckColorGraph( hDlg, lpp->capturedGraph, ptrh, ptrs, lParam))
{
r = CC_HSLtoRGB('R', lpp->h, lpp->s, lpp->l);
g = CC_HSLtoRGB('G', lpp->h, lpp->s, lpp->l);
b = CC_HSLtoRGB('B', lpp->h, lpp->s, lpp->l);
lpp->lpcc->rgbResult = RGB(r, g, b);
lpp->lpcc->rgbResult = CC_HSLtoRGB(lpp->h, lpp->s, lpp->l);
CC_EditSetRGB(hDlg, lpp->lpcc->rgbResult);
CC_EditSetHSL(hDlg,lpp->h, lpp->s, lpp->l);
CC_PaintCross(hDlg, lpp->h, lpp->s);
@ -1181,10 +1176,7 @@ static LRESULT CC_WMLButtonDown( HWND hDlg, LPARAM lParam )
if ( i == 2 )
{
SetCapture(hDlg);
r = CC_HSLtoRGB('R', lpp->h, lpp->s, lpp->l);
g = CC_HSLtoRGB('G', lpp->h, lpp->s, lpp->l);
b = CC_HSLtoRGB('B', lpp->h, lpp->s, lpp->l);
lpp->lpcc->rgbResult = RGB(r, g, b);
lpp->lpcc->rgbResult = CC_HSLtoRGB(lpp->h, lpp->s, lpp->l);
}
if ( i == 1 )
{