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Implemented the hex entry. That just leaves the other Direct2D views!

This commit is contained in:
Pietro Gagliardi 2016-05-17 17:41:38 -04:00
parent 70635858bd
commit bc69da86af
1 changed files with 113 additions and 1 deletions
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114
windows/colordialog.cpp
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@ -77,6 +77,7 @@ static void rgb2HSV(double r, double g, double b, double *h, double *s, double *
*s = c / *v;
}
// TODO negative R values?
static void hsv2RGB(double h, double s, double v, double *r, double *g, double *b)
{
double c;
@ -126,6 +127,97 @@ static void hsv2RGB(double h, double s, double v, double *r, double *g, double *
// TODO
}
#define hexd L"0123456789ABCDEF"
static void rgba2Hex(uint8_t r, uint8_t g, uint8_t b, uint8_t a, WCHAR *buf)
{
buf[0] = L'#';
buf[1] = hexd[(a >> 4) & 0xF];
buf[2] = hexd[a & 0xF];
buf[3] = hexd[(r >> 4) & 0xF];
buf[4] = hexd[r & 0xF];
buf[5] = hexd[(g >> 4) & 0xF];
buf[6] = hexd[g & 0xF];
buf[7] = hexd[(b >> 4) & 0xF];
buf[8] = hexd[b & 0xF];
buf[9] = L'\0';
}
static int convHexDigit(WCHAR c)
{
if (c >= L'0' && c <= L'9')
return c - L'0';
if (c >= L'A' && c <= L'F')
return c - L'A' + 0xA;
if (c >= L'a' && c <= L'f')
return c - L'a' + 0xA;
return -1;
}
// TODO allow #NNN shorthand
static BOOL hex2RGBA(WCHAR *buf, double *r, double *g, double *b, double *a)
{
uint8_t component;
int i;
if (*buf == L'#')
buf++;
component = 0;
i = convHexDigit(*buf++);
if (i < 0)
return FALSE;
component |= ((uint8_t) i) << 4;
i = convHexDigit(*buf++);
if (i < 0)
return FALSE;
component |= ((uint8_t) i);
*a = ((double) component) / 255;
component = 0;
i = convHexDigit(*buf++);
if (i < 0)
return FALSE;
component |= ((uint8_t) i) << 4;
i = convHexDigit(*buf++);
if (i < 0)
return FALSE;
component |= ((uint8_t) i);
*r = ((double) component) / 255;
component = 0;
i = convHexDigit(*buf++);
if (i < 0)
return FALSE;
component |= ((uint8_t) i) << 4;
i = convHexDigit(*buf++);
if (i < 0)
return FALSE;
component |= ((uint8_t) i);
*g = ((double) component) / 255;
if (*buf == L'\0') { // #NNNNNN syntax
*b = *g;
*g = *r;
*r = *a;
*a = 1;
return TRUE;
}
component = 0;
i = convHexDigit(*buf++);
if (i < 0)
return FALSE;
component |= ((uint8_t) i) << 4;
i = convHexDigit(*buf++);
if (i < 0)
return FALSE;
component |= ((uint8_t) i);
*b = ((double) component) / 255;
return *buf == L'\0';
}
static void updateDouble(HWND hwnd, double d, HWND whichChanged)
{
WCHAR *str;
@ -142,6 +234,7 @@ static void updateDialog(struct colorDialog *c, HWND whichChanged)
double r, g, b;
uint8_t rb, gb, bb, ab;
WCHAR *str;
WCHAR hexbuf[16]; // more than enough
c->updating = TRUE;
@ -183,7 +276,8 @@ static void updateDialog(struct colorDialog *c, HWND whichChanged)
}
if (whichChanged != c->editHex) {
// TODO hex
rgba2Hex(rb, gb, bb, ab, hexbuf);
setWindowText(c->editHex, hexbuf);
}
// TODO TRUE?
@ -699,6 +793,22 @@ static void aIntChanged(struct colorDialog *c)
updateDialog(c, c->editAInt);
}
static void hexChanged(struct colorDialog *c)
{
WCHAR *buf;
double r, g, b, a;
BOOL is;
buf = windowText(c->editHex);
is = hex2RGBA(buf, &r, &g, &b, &a);
uiFree(buf);
if (!is)
return;
rgb2HSV(r, g, b, &(c->h), &(c->s), &(c->v));
c->a = a;
updateDialog(c, c->editHex);
}
// TODO change fontdialog to use this
// note that if we make this const, we get lots of weird compiler errors
static std::map<int, void (*)(struct colorDialog *)> changed = {
@ -713,6 +823,7 @@ static std::map<int, void (*)(struct colorDialog *)> changed = {
{ rcGInt, gIntChanged },
{ rcBInt, bIntChanged },
{ rcAInt, aIntChanged },
{ rcHex, hexChanged },
};
static INT_PTR CALLBACK colorDialogDlgProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
@ -750,6 +861,7 @@ static INT_PTR CALLBACK colorDialogDlgProc(HWND hwnd, UINT uMsg, WPARAM wParam,
case rcGInt:
case rcBInt:
case rcAInt:
case rcHex:
if (HIWORD(wParam) != EN_CHANGE)
return FALSE;
if (c->updating) // prevent infinite recursion during an update