ultimatepp/uppsrc/Draw/Cham.h
2024-12-06 10:05:57 +01:00

122 lines
4.2 KiB
C++

enum LookOp {
LOOK_PAINT,
LOOK_MARGINS,
LOOK_PAINTEDGE,
LOOK_NOCACHE = 0x8000,
};
enum {
CH_SCROLLBAR_IMAGE = -1000, // special Image hotspot x value for ChPaint of scrollbar
CH_EDITFIELD_IMAGE = -1001, // special Image hotspot x2 value, y2 is then x and y for the purposes of painting
};
void ChLookFn(Value (*fn)(Draw& w, const Rect& r, const Value& look, int lookop, Color ink));
Image AdjustColors(const Image& img);
void Override(Iml& target, Iml& source, bool colored = false);
void ColoredOverride(Iml& target, Iml& source);
void ChReset();
void ChFinish();
void ChPaint(Draw& w, const Rect& r, const Value& look, Color ink = Null);
void ChPaint(Draw& w, int x, int y, int cx, int cy, const Value& look, Color ink = Null);
void ChPaintNoCache(Draw& w, int x, int y, int cx, int cy, const Value& look, Color ink = Null);
void ChPaintEdge(Draw& w, const Rect& r, const Value& look, Color ink = Null);
void ChPaintEdge(Draw& w, int x, int y, int cx, int cy, const Value& look, Color ink = Null);
void ChPaintBody(Draw& w, const Rect& r, const Value& look, Color ink = Null);
void ChPaintBody(Draw& w, int x, int y, int cx, int cy, const Value& look, Color ink = Null);
Rect ChMargins(const Value& look);
void DeflateMargins(Rect& r, const Rect& margin);
void ChDeflateMargins(Rect& r, const Value& look);
void DeflateMargins(Size& sz, const Rect& m);
void ChDeflateMargins(Size& sz, const Value& look);
void InflateMargins(Rect& r, const Rect& m);
void ChInflateMargins(Rect& r, const Value& look);
void InflateMargins(Size& sz, const Rect& m);
void ChInflateMargins(Size& sz, const Value& look);
void ChInvalidate();
bool ChIsInvalidated();
bool IsLabelTextColorMismatch();
bool IsDarkColorFace();
template <class T>
struct ChStyle {
byte status = 0; // 0 - has to be initialised or written, 1 - initialised, 2 - was written
byte registered = 0; // 0 - not yet registered
T& Write() const { T& x = *(T *)this; x.status = 2; ChInvalidate(); return x; }
void Assign(const T& src) { *(T *)this = src; }
};
#define CH_STYLE(klass, type, style) \
struct COMBINE5(klass, __, type, __, style) : klass::type { \
void Init(); \
static void InitIt(); \
}; \
\
void COMBINE5(klass, __, type, __, style)::InitIt() { \
klass::style(); \
} \
\
const klass::type& klass::style() \
{ \
static COMBINE5(klass, __, type, __, style) b; \
if(b.status == 0) { \
ChRegisterStyle__(b.status, b.registered, COMBINE5(klass, __, type, __, style)::InitIt); \
b.Init(); \
b.status = 1; \
} \
return b; \
} \
\
void COMBINE5(klass, __, type, __, style)::Init()
// CH_VAR0 allows inserting action into _Write (missing ending '}')
#define CH_VAR0(chtype, type, name, init) \
chtype& COMBINE(ch_var__, name)(); \
void COMBINE(ch_init__, name)() { \
COMBINE(ch_var__, name)(); \
} \
\
chtype& COMBINE(ch_var__, name)() { \
static chtype b; \
if(b.status == 0) { \
ChRegisterStyle__(b.status, b.registered, COMBINE(ch_init__, name)); \
b.value = init; \
b.status = 1; \
} \
return b; \
} \
\
type name() { return COMBINE(ch_var__, name)().value; } \
void COMBINE(name, _Write)(type v) { COMBINE(ch_var__, name)().Write().value = v;
#define CH_VAR(chtype, type, name, init) CH_VAR0(chtype, type, name, init) }
struct ChColor : ChStyle<ChColor> { SColor value; };
#define CH_COLOR(name, init) CH_VAR(ChColor, Color, name, init)
struct ChInt : ChStyle<ChInt> { int value; };
#define CH_INT(name, init) CH_VAR(ChInt, int, name, init)
struct ChValue : ChStyle<ChValue> { Value value; };
#define CH_VALUE(name, init) CH_VAR(ChValue, Value, name, init)
struct ChImage : ChStyle<ChImage> { Image value; };
#define CH_IMAGE(name, init) CH_VAR(ChImage, Image, name, init)
Value ChLookWith(const Value& look, const Image& img, Point offset = Point(0, 0));
Value ChLookWith(const Value& look, const Image& img, Color color, Point offset = Point(0, 0));
Value ChLookWith(const Value& look, const Image& img, Color (*color)(int i), int i, Point offset = Point(0, 0));
void ChLookWith(Value *look, const Image& image, const Color *color, int n = 4);
//private:
void ChRegisterStyle__(byte& state, byte& registered, void (*init)());
Value ChBorder(const ColorF *colors, const Value& face = SColorFace());