Aren/haiku
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

* rewrote ColorControl.h

Browse Source 
* removed unused stuff.
* shuffled methods around in the source, so that you don't have to jump so far
  when working at a specific thing (ie. all draw functions are grouped together, ...)
* ResizeToPreferred() should now work as expected.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14934 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2005-11-15 02:45:19 +00:00
parent a7ab4a2642
commit 9a1d68e4aa
2 changed files with 365 additions and 499 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

206
headers/os/interface/ColorControl.h
View File

@ -1,169 +1,117 @@
/******************************************************************************* /*
/ * Copyright 2005, Haiku, Inc. All Rights Reserved.
/ File: ColorControl.h * Distributed under the terms of the MIT License.
/ */
/ Description: BColorControl displays a palette of selectable colors.
/
/ Copyright 1996-98, Be Incorporated, All Rights Reserved
/
*******************************************************************************/
#ifndef _COLOR_CONTROL_H #ifndef _COLOR_CONTROL_H
#define _COLOR_CONTROL_H #define _COLOR_CONTROL_H
#include <BeBuild.h>
#include <Control.h> #include <Control.h>
class BBitmap; class BBitmap;
/*------------------------------------------------------------*/
/*----- layout options for the color control -----------------*/
enum color_control_layout { enum color_control_layout {
B_CELLS_4x64 = 4, B_CELLS_4x64 = 4,
B_CELLS_8x32 = 8, B_CELLS_8x32 = 8,
B_CELLS_16x16 = 16, B_CELLS_16x16 = 16,
B_CELLS_32x8 = 32, B_CELLS_32x8 = 32,
B_CELLS_64x4 = 64 B_CELLS_64x4 = 64,
}; };
class BTextControl; class BTextControl;
/*----------------------------------------------------------------*/
/*----- BColorControl class --------------------------------------*/
class BColorControl : public BControl { class BColorControl : public BControl {
public: public:
BColorControl( BPoint start, BColorControl(BPoint start, color_control_layout layout,
color_control_layout layout, float cellSize, const char* name,
float cell_size, BMessage* message = NULL, bool useOffscreen = false);
const char *name, BColorControl(BMessage* archive);
BMessage *message = NULL, virtual ~BColorControl();
bool use_offscreen = false);
virtual ~BColorControl();
BColorControl(BMessage *data); static BArchivable* Instantiate(BMessage* archive);
static BArchivable *Instantiate(BMessage *data); virtual status_t Archive(BMessage* archive, bool deep = true) const;
virtual status_t Archive(BMessage *data, bool deep = true) const;
virtual void SetValue(int32 color_value); virtual void SetValue(int32 color_value);
void SetValue(rgb_color color); void SetValue(rgb_color color);
rgb_color ValueAsColor(); rgb_color ValueAsColor();
virtual void SetEnabled(bool state); virtual void SetEnabled(bool state);
virtual void AttachedToWindow(); virtual void AttachedToWindow();
virtual void MessageReceived(BMessage *msg); virtual void MessageReceived(BMessage* message);
virtual void Draw(BRect updateRect); virtual void Draw(BRect updateRect);
virtual void MouseDown(BPoint where); virtual void MouseDown(BPoint where);
virtual void KeyDown(const char *bytes, int32 numBytes); virtual void KeyDown(const char* bytes, int32 numBytes);
virtual void SetCellSize(float size); virtual void SetCellSize(float size);
float CellSize() const; float CellSize() const;
virtual void SetLayout(color_control_layout layout); virtual void SetLayout(color_control_layout layout);
color_control_layout Layout() const; color_control_layout Layout() const;
virtual void WindowActivated(bool state); virtual void WindowActivated(bool state);
virtual void MouseUp(BPoint pt); virtual void MouseUp(BPoint point);
virtual void MouseMoved(BPoint pt, uint32 code, const BMessage *msg); virtual void MouseMoved(BPoint point, uint32 code,
virtual void DetachedFromWindow(); const BMessage* dragMessage);
virtual void GetPreferredSize(float *width, float *height); virtual void DetachedFromWindow();
virtual void ResizeToPreferred(); virtual void GetPreferredSize(float* _width, float* _height);
virtual status_t Invoke(BMessage *msg = NULL); virtual void ResizeToPreferred();
virtual void FrameMoved(BPoint new_position); virtual status_t Invoke(BMessage* message = NULL);
virtual void FrameResized(float new_width, float new_height); virtual void FrameMoved(BPoint newPosition);
virtual void FrameResized(float newWidth, float newHeight);
virtual BHandler *ResolveSpecifier(BMessage *msg, virtual BHandler* ResolveSpecifier(BMessage* message, int32 index,
int32 index, BMessage* specifier, int32 what,
BMessage *specifier, const char* property);
int32 form, virtual status_t GetSupportedSuites(BMessage* data);
const char *property);
virtual status_t GetSupportedSuites(BMessage *data);
virtual void MakeFocus(bool state = true); virtual void MakeFocus(bool state = true);
virtual void AllAttached(); virtual void AllAttached();
virtual void AllDetached(); virtual void AllDetached();
private:
virtual status_t Perform(perform_code d, void *arg);
// this can be made public again if needed
/*----- Private or reserved -----------------------------------------*/ virtual void _ReservedColorControl1();
virtual status_t Perform(perform_code d, void *arg); virtual void _ReservedColorControl2();
virtual void _ReservedColorControl3();
virtual void _ReservedColorControl4();
private: BColorControl& operator=(const BColorControl &other);
virtual void _ReservedColorControl1(); void _InitData(color_control_layout layout,
virtual void _ReservedColorControl2(); float size, bool useOffscreen,
virtual void _ReservedColorControl3(); BMessage* archive = NULL);
virtual void _ReservedColorControl4(); void _LayoutView();
void _UpdateOffscreen(BRect update);
void _DrawColorArea(BView* target, BRect update);
void _ColorRamp(BRect rect, BView* target,
rgb_color baseColor, int16 flag,
bool focused);
BColorControl &operator=(const BColorControl &); private:
float fCellSize;
int32 fRows;
int32 fColumns;
void LayoutView(bool calc_frame); BTextControl* fRedText;
void UpdateOffscreen(); BTextControl* fGreenText;
void UpdateOffscreen(BRect update); BTextControl* fBlueText;
void DrawColorArea(BView *target, BRect update);
void ColorRamp( BRect r,
BRect where,
BView *target,
rgb_color c,
int16 flag,
bool focused);
void KbAdjustColor(uint32 key);
bool key_down32(uint32 key);
bool key_down8(uint32 key);
static BRect CalcFrame( BPoint start,
color_control_layout layout,
int32 size);
void InitData( color_control_layout layout,
float size,
bool use_offscreen,
BMessage *data = NULL);
void DoMouseMoved(BPoint pt);
void DoMouseUp(BPoint pt);
float fCellSize; BBitmap* fBitmap;
int32 fRows; BView* fOffscreenView;
int32 fColumns;
struct track_state { int32 fFocusedComponent;
int32 orig_color; uint32 _reserved[8];
int32 cur_color;
int32 prev_color;
int32 bar_index;
BRect active_area;
BRect r;
rgb_color rgb;
color_space cspace;
};
BTextControl *fRedText;
BTextControl *fGreenText;
BTextControl *fBlueText;
BBitmap *fBitmap;
BView *fOffscreenView;
color_space fLastMode;
float fRound;
int32 fFocusedComponent;
int32 fCachedIndex;
uint32 _reserved[3];
track_state *fTState;
bool fUnused; // fTracking;
bool fFocused;
bool fRetainCache;
bool fFastSet;
}; };
/*------------------------------------------------------------*/ inline void
/*----- inline functions -------------------------------------*/ BColorControl::SetValue(rgb_color color)
inline void BColorControl::SetValue(rgb_color color)
{ {
/* OK, no private parts */
int32 c = (color.red << 24) + (color.green << 16) + (color.blue << 8); int32 c = (color.red << 24) + (color.green << 16) + (color.blue << 8);
SetValue(c); SetValue(c);
} }
/*-------------------------------------------------------------*/
/*-------------------------------------------------------------*/
#endif /* _COLOR_CONTROL_H */ #endif /* _COLOR_CONTROL_H */

658
src/kits/interface/ColorControl.cpp
View File

@ -27,28 +27,28 @@ const uint32 U_COLOR_CONTROL_GREEN_CHANGED_MSG = 'CCGC';
const uint32 U_COLOR_CONTROL_BLUE_CHANGED_MSG = 'CCBC'; const uint32 U_COLOR_CONTROL_BLUE_CHANGED_MSG = 'CCBC';
BColorControl::BColorControl(BPoint leftTop, color_control_layout matrix, BColorControl::BColorControl(BPoint leftTop, color_control_layout layout,
float cellSize, const char *name, BMessage *message, float cellSize, const char *name, BMessage *message,
bool bufferedDrawing) bool bufferedDrawing)
: BControl(BRect(leftTop, leftTop), name, NULL, message, : BControl(BRect(leftTop, leftTop), name, NULL, message,
B_FOLLOW_LEFT | B_FOLLOW_TOP, B_WILL_DRAW | B_NAVIGABLE) B_FOLLOW_LEFT | B_FOLLOW_TOP, B_WILL_DRAW | B_NAVIGABLE)
{ {
InitData(matrix, cellSize, bufferedDrawing, NULL); _InitData(layout, cellSize, bufferedDrawing, NULL);
} }
BColorControl::BColorControl(BMessage *archive) BColorControl::BColorControl(BMessage* archive)
: BControl(archive) : BControl(archive)
{ {
int32 layout; int32 layout;
bool use_offscreen; float cellSize;
bool useOffscreen;
archive->FindInt32("_layout", &layout); archive->FindInt32("_layout", &layout);
SetLayout((color_control_layout)layout); archive->FindFloat("_csize", &cellSize);
archive->FindBool("_use_off", &useOffscreen);
archive->FindFloat("_csize", &fCellSize); _InitData((color_control_layout)layout, cellSize, useOffscreen, archive);
archive->FindBool("_use_off", &use_offscreen);
} }
@ -57,6 +57,125 @@ BColorControl::~BColorControl()
} }
void
BColorControl::_InitData(color_control_layout layout, float size,
bool useOffscreen, BMessage* archive)
{
BRect bounds(Bounds());
fColumns = layout;
fRows = 256 / fColumns;
fCellSize = size;
BScreen screen(Window());
if (useOffscreen) {
fBitmap = new BBitmap(bounds, B_RGB32, true, false);
fOffscreenView = new BView(bounds, "off_view", 0, 0);
fBitmap->Lock();
fBitmap->AddChild(fOffscreenView);
fBitmap->Unlock();
} else {
fBitmap = NULL;
fOffscreenView = NULL;
}
if (archive) {
int32 value = 0;
archive->FindInt32("_val", &value);
SetValue(value);
fRedText = (BTextControl*)FindView("_red");
fGreenText = (BTextControl*)FindView("_green");
fBlueText = (BTextControl*)FindView("_blue");
} else {
BRect rect(0.0f, 0.0f, 70.0f, 15.0f);
float labelWidth = StringWidth("Green:") + 5;
rect.right = labelWidth + StringWidth("999") + 20;
// red
fRedText = new BTextControl(rect, "_red", "Red:", "0",
new BMessage('ccol'), B_FOLLOW_LEFT | B_FOLLOW_TOP,
B_WILL_DRAW | B_NAVIGABLE);
fRedText->SetDivider(labelWidth);
float offset = fRedText->Bounds().Height() + 2;
for (int32 i = 0; i < 256; i++)
fRedText->TextView()->DisallowChar(i);
for (int32 i = '0'; i <= '9'; i++)
fRedText->TextView()->AllowChar(i);
fRedText->TextView()->SetMaxBytes(3);
// green
rect.OffsetBy(0.0f, offset);
fGreenText = new BTextControl(rect, "_green", "Green:", "0",
new BMessage('ccol'), B_FOLLOW_LEFT | B_FOLLOW_TOP,
B_WILL_DRAW | B_NAVIGABLE);
fGreenText->SetDivider(labelWidth);
for (int32 i = 0; i < 256; i++)
fGreenText->TextView()->DisallowChar(i);
for (int32 i = '0'; i <= '9'; i++)
fGreenText->TextView()->AllowChar(i);
fGreenText->TextView()->SetMaxBytes(3);
// blue
rect.OffsetBy(0.0f, offset);
fBlueText = new BTextControl(rect, "_blue", "Blue:", "0",
new BMessage('ccol'), B_FOLLOW_LEFT | B_FOLLOW_TOP,
B_WILL_DRAW | B_NAVIGABLE);
fBlueText->SetDivider(labelWidth);
for (int32 i = 0; i < 256; i++)
fBlueText->TextView()->DisallowChar(i);
for (int32 i = '0'; i <= '9'; i++)
fBlueText->TextView()->AllowChar(i);
fBlueText->TextView()->SetMaxBytes(3);
_LayoutView();
AddChild(fRedText);
AddChild(fGreenText);
AddChild(fBlueText);
}
}
void
BColorControl::_LayoutView()
{
BRect rect(0.0f, 0.0f, ceil(fColumns * fCellSize), ceil(fRows * fCellSize + 2));
if (rect.Height() < fBlueText->Frame().bottom) {
// adjust the height to fit
rect.bottom = fBlueText->Frame().bottom;
}
ResizeTo(rect.Width() + fRedText->Bounds().Width(), rect.Height());
float offset = floor(rect.bottom / 4);
float y = offset;
if (offset < fRedText->Bounds().Height() + 2) {
offset = fRedText->Bounds().Height() + 2;
y = 0;
}
fRedText->MoveTo(rect.right + 1, y);
y += offset;
fGreenText->MoveTo(rect.right + 1, y);
y += offset;
fBlueText->MoveTo(rect.right + 1, y);
}
BArchivable * BArchivable *
BColorControl::Instantiate(BMessage *archive) BColorControl::Instantiate(BMessage *archive)
{ {
@ -83,15 +202,10 @@ BColorControl::Archive(BMessage *archive, bool deep) const
void void
BColorControl::SetValue(int32 color) BColorControl::SetValue(int32 color)
{ {
if (!fRetainCache)
fCachedIndex = -1;
fRetainCache = false;
if (fBitmap) { if (fBitmap) {
if (fBitmap->Lock()) { if (fBitmap->Lock()) {
if (!fOffscreenView) if (!fOffscreenView)
UpdateOffscreen(); _UpdateOffscreen(Bounds());
fBitmap->Unlock(); fBitmap->Unlock();
} }
} }
@ -194,60 +308,138 @@ BColorControl::MessageReceived(BMessage *message)
void void
BColorControl::Draw(BRect updateRect) BColorControl::Draw(BRect updateRect)
{ {
if (fTState != NULL)
return;
if (fBitmap) { if (fBitmap) {
if (!fBitmap->Lock()) if (!fBitmap->Lock())
return; return;
if (fOffscreenView->Bounds().Intersects(updateRect)) { if (fOffscreenView->Bounds().Intersects(updateRect)) {
UpdateOffscreen(updateRect); _UpdateOffscreen(updateRect);
DrawBitmap(fBitmap, updateRect.LeftTop()); DrawBitmap(fBitmap, updateRect.LeftTop());
} }
fBitmap->Unlock(); fBitmap->Unlock();
} else if (Bounds().Intersects(updateRect)) } else
DrawColorArea(this, updateRect); _DrawColorArea(this, updateRect);
} }
void void
BColorControl::MouseDown(BPoint point) BColorControl::_DrawColorArea(BView* target, BRect update)
{ {
BRegion region(update);
target->ConstrainClippingRegion(&region);
BRect rect(0.0f, 0.0f, ceil(fColumns * fCellSize), Bounds().bottom);
rgb_color noTint = ui_color(B_PANEL_BACKGROUND_COLOR),
lightenmax = tint_color(noTint, B_LIGHTEN_MAX_TINT),
darken1 = tint_color(noTint, B_DARKEN_1_TINT),
darken4 = tint_color(noTint, B_DARKEN_4_TINT);
// First bevel
target->SetHighColor(darken1);
target->StrokeLine(rect.LeftBottom(), rect.LeftTop());
target->StrokeLine(rect.LeftTop(), rect.RightTop());
target->SetHighColor(lightenmax);
target->StrokeLine(BPoint(rect.left + 1.0f, rect.bottom), rect.RightBottom());
target->StrokeLine(rect.RightBottom(), BPoint(rect.right, rect.top + 1.0f));
rect.InsetBy(1.0f, 1.0f);
// Second bevel
target->SetHighColor(darken4);
target->StrokeLine(rect.LeftBottom(), rect.LeftTop());
target->StrokeLine(rect.LeftTop(), rect.RightTop());
target->SetHighColor(noTint);
target->StrokeLine(BPoint(rect.left + 1.0f, rect.bottom), rect.RightBottom());
target->StrokeLine(rect.RightBottom(), BPoint(rect.right, rect.top + 1.0f));
// Ramps
rgb_color white = {255, 255, 255, 255};
rgb_color red = {255, 0, 0, 255};
rgb_color green = {0, 255, 0, 255};
rgb_color blue = {0, 0, 255, 255};
rect.InsetBy(1.0f, 1.0f);
BRect rampRect(rect);
float rampSize = rampRect.Height() / 4.0;
rampRect.bottom = rampRect.top + rampSize;
_ColorRamp(rampRect, target, white, 0, false);
rampRect.OffsetBy(0, rampSize);
_ColorRamp(rampRect, target, red, 0, false);
rampRect.OffsetBy(0,rampSize);
_ColorRamp(rampRect, target, green, 0, false);
rampRect.OffsetBy(0, rampSize);
_ColorRamp(rampRect, target, blue, 0, false);
// Selectors
rgb_color color = ValueAsColor(); rgb_color color = ValueAsColor();
float x, y = rampSize * 1.5;
BRect rect(0.0f, 0.0f, fColumns * fCellSize, Bounds().bottom); target->SetDrawingMode(B_OP_OVER);
float rampsize = rect.bottom / 4; target->SetPenSize(2.0f);
uint8 shade = (unsigned char)max_c(0, x = rect.left + color.red * (rect.Width() - 7) / 255;
min_c((point.x - 2) * 255 / (rect.Width() - 4.0f), 255)); target->SetHighColor(255, 255, 255);
target->StrokeEllipse(BRect(x, y, x + 4.0f, y + 4.0f));
if (point.y - 2 < rampsize) { y += rampSize;
color.red = color.green = color.blue = shade;
fFocusedComponent = 1; x = rect.left + color.green * (rect.Width() - 7) / 255;
} else if (point.y - 2 < (rampsize * 2)) { target->SetHighColor(255, 255, 255);
color.red = shade; target->StrokeEllipse(BRect(x, y, x + 4.0f, y + 4.0f));
fFocusedComponent = 2;
} else if (point.y - 2 < (rampsize * 3)) { y += rampSize;
color.green = shade;
fFocusedComponent = 3; x = rect.left + color.blue * (rect.Width() - 7) / 255;
} else { target->SetHighColor(255, 255, 255);
color.blue = shade; target->StrokeEllipse(BRect(x, y, x + 4.0f, y + 4.0f));
fFocusedComponent = 4;
target->SetPenSize(1.0f);
target->SetDrawingMode(B_OP_COPY);
target->ConstrainClippingRegion(NULL);
}
void
BColorControl::_ColorRamp(BRect rect, BView* target,
rgb_color baseColor, int16 flag, bool focused)
{
float width = rect.Width()+1;
rgb_color color;
target->BeginLineArray(width);
for (float i = 0; i <= width; i++) {
color.red = (uint8)(i * baseColor.red / width);
color.green = (uint8)(i * baseColor.green / width);
color.blue = (uint8)(i * baseColor.blue / width);
target->AddLine(BPoint(rect.left + i, rect.top),
BPoint(rect.left + i, rect.bottom), color);
} }
SetValue(color); target->EndLineArray();
Invoke();
MakeFocus();
SetMouseEventMask(B_POINTER_EVENTS, B_LOCK_WINDOW_FOCUS);
} }
void void
BColorControl::KeyDown(const char *bytes, int32 numBytes) BColorControl::_UpdateOffscreen(BRect update)
{ {
if (fBitmap->Lock()) {
update = update & fOffscreenView->Bounds();
fOffscreenView->FillRect(update);
_DrawColorArea(fOffscreenView, update);
fOffscreenView->Sync();
fBitmap->Unlock();
}
} }
@ -255,6 +447,8 @@ void
BColorControl::SetCellSize(float cellSide) BColorControl::SetCellSize(float cellSide)
{ {
fCellSize = cellSide; fCellSize = cellSide;
ResizeToPreferred();
} }
@ -290,21 +484,24 @@ BColorControl::SetLayout(color_control_layout layout)
fRows = 4; fRows = 4;
break; break;
} }
ResizeToPreferred();
Invalidate();
} }
color_control_layout color_control_layout
BColorControl::Layout() const BColorControl::Layout() const
{ {
if (fColumns == 4 &&fRows == 64) if (fColumns == 4 && fRows == 64)
return B_CELLS_4x64; return B_CELLS_4x64;
if (fColumns == 8 &&fRows == 32) if (fColumns == 8 && fRows == 32)
return B_CELLS_8x32; return B_CELLS_8x32;
if (fColumns == 16 &&fRows == 16) if (fColumns == 16 && fRows == 16)
return B_CELLS_16x16; return B_CELLS_16x16;
if (fColumns == 32 &&fRows == 8) if (fColumns == 32 && fRows == 8)
return B_CELLS_32x8; return B_CELLS_32x8;
if (fColumns == 64 &&fRows == 4) if (fColumns == 64 && fRows == 4)
return B_CELLS_64x4; return B_CELLS_64x4;
return B_CELLS_32x8; return B_CELLS_32x8;
@ -318,6 +515,14 @@ BColorControl::WindowActivated(bool state)
} }
void
BColorControl::KeyDown(const char* bytes, int32 numBytes)
{
// TODO: make this keyboard navigable!
BControl::KeyDown(bytes, numBytes);
}
void void
BColorControl::MouseUp(BPoint point) BColorControl::MouseUp(BPoint point)
{ {
@ -325,6 +530,39 @@ BColorControl::MouseUp(BPoint point)
} }
void
BColorControl::MouseDown(BPoint point)
{
rgb_color color = ValueAsColor();
BRect rect(0.0f, 0.0f, fColumns * fCellSize, Bounds().bottom);
float rampsize = rect.bottom / 4;
uint8 shade = (unsigned char)max_c(0,
min_c((point.x - 2) * 255 / (rect.Width() - 4.0f), 255));
if (point.y - 2 < rampsize) {
color.red = color.green = color.blue = shade;
fFocusedComponent = 1;
} else if (point.y - 2 < (rampsize * 2)) {
color.red = shade;
fFocusedComponent = 2;
} else if (point.y - 2 < (rampsize * 3)) {
color.green = shade;
fFocusedComponent = 3;
} else {
color.blue = shade;
fFocusedComponent = 4;
}
SetValue(color);
Invoke();
MakeFocus();
SetMouseEventMask(B_POINTER_EVENTS, B_LOCK_WINDOW_FOCUS);
}
void void
BColorControl::MouseMoved(BPoint point, uint32 transit, BColorControl::MouseMoved(BPoint point, uint32 transit,
const BMessage *message) const BMessage *message)
@ -381,6 +619,8 @@ void
BColorControl::ResizeToPreferred() BColorControl::ResizeToPreferred()
{ {
BControl::ResizeToPreferred(); BControl::ResizeToPreferred();
_LayoutView();
} }
@ -459,325 +699,3 @@ BColorControl::operator=(const BColorControl &)
{ {
return *this; return *this;
} }
void
BColorControl::LayoutView(bool calcFrame)
{
BRect rect(0.0f, 0.0f, ceil(fColumns * fCellSize), ceil(fRows * fCellSize + 2));
if (rect.Height() < fBlueText->Frame().bottom) {
// adjust the height to fit
rect.bottom = fBlueText->Frame().bottom;
}
ResizeTo(rect.Width() + fRedText->Bounds().Width(), rect.Height());
float offset = floor(rect.bottom / 4);
float y = offset;
if (offset < fRedText->Bounds().Height() + 2) {
offset = fRedText->Bounds().Height() + 2;
y = 0;
}
fRedText->MoveTo(rect.right + 1, y);
y += offset;
fGreenText->MoveTo(rect.right + 1, y);
y += offset;
fBlueText->MoveTo(rect.right + 1, y);
}
void
BColorControl::UpdateOffscreen()
{
}
void
BColorControl::UpdateOffscreen(BRect update)
{
if (fBitmap->Lock()) {
update = update & fOffscreenView->Bounds();
fOffscreenView->FillRect(update);
DrawColorArea(fOffscreenView, update);
fOffscreenView->Sync();
fBitmap->Unlock();
}
}
void
BColorControl::DrawColorArea(BView *target, BRect update)
{
BRegion region(update);
target->ConstrainClippingRegion(&region);
BRect rect(0.0f, 0.0f, ceil(fColumns * fCellSize), Bounds().bottom);
rgb_color noTint = ui_color(B_PANEL_BACKGROUND_COLOR),
lightenmax = tint_color(noTint, B_LIGHTEN_MAX_TINT),
darken1 = tint_color(noTint, B_DARKEN_1_TINT),
darken4 = tint_color(noTint, B_DARKEN_4_TINT);
// First bevel
target->SetHighColor(darken1);
target->StrokeLine(rect.LeftBottom(), rect.LeftTop());
target->StrokeLine(rect.LeftTop(), rect.RightTop());
target->SetHighColor(lightenmax);
target->StrokeLine(BPoint(rect.left + 1.0f, rect.bottom), rect.RightBottom());
target->StrokeLine(rect.RightBottom(), BPoint(rect.right, rect.top + 1.0f));
rect.InsetBy(1.0f, 1.0f);
// Second bevel
target->SetHighColor(darken4);
target->StrokeLine(rect.LeftBottom(), rect.LeftTop());
target->StrokeLine(rect.LeftTop(), rect.RightTop());
target->SetHighColor(noTint);
target->StrokeLine(BPoint(rect.left + 1.0f, rect.bottom), rect.RightBottom());
target->StrokeLine(rect.RightBottom(), BPoint(rect.right, rect.top + 1.0f));
// Ramps
rgb_color white = {255, 255, 255, 255};
rgb_color red = {255, 0, 0, 255};
rgb_color green = {0, 255, 0, 255};
rgb_color blue = {0, 0, 255, 255};
rect.InsetBy(1.0f, 1.0f);
BRect ramprect(rect);
float rampsize = ramprect.Height() / 4.0;
ramprect.bottom = ramprect.top + rampsize;
ColorRamp(BRect(), ramprect, target, white, 0, false);
ramprect.OffsetBy(0,rampsize);
ColorRamp(BRect(), ramprect, target, red, 0, false);
ramprect.OffsetBy(0,rampsize);
ColorRamp(BRect(), ramprect, target, green, 0, false);
ramprect.OffsetBy(0,rampsize);
ColorRamp(BRect(), ramprect, target, blue, 0, false);
// Selectors
rgb_color color = ValueAsColor();
float x, y = rampsize * 1.5;
target->SetDrawingMode(B_OP_OVER);
target->SetPenSize(2.0f);
x = rect.left + color.red * (rect.Width() - 7) / 255;
target->SetHighColor(255, 255, 255);
target->StrokeEllipse(BRect(x, y, x + 4.0f, y + 4.0f));
y += rampsize;
x = rect.left + color.green * (rect.Width() - 7) / 255;
target->SetHighColor(255, 255, 255);
target->StrokeEllipse(BRect(x, y, x + 4.0f, y + 4.0f));
y += rampsize;
x = rect.left + color.blue * (rect.Width() - 7) / 255;
target->SetHighColor(255, 255, 255);
target->StrokeEllipse(BRect ( x, y, x + 4.0f, y + 4.0f));
target->SetPenSize(1.0f);
target->SetDrawingMode(B_OP_COPY);
target->ConstrainClippingRegion(NULL);
}
void
BColorControl::ColorRamp(BRect r, BRect where, BView *target, rgb_color c,
int16 flag, bool focused)
{
rgb_color color = {255, 255, 255, 255};
float width = where.Width()+1;
target->BeginLineArray(width);
for (float i = 0; i <= width; i++) {
color.red = (uint8)(i * c.red / width);
color.green = (uint8)(i * c.green / width);
color.blue = (uint8)(i * c.blue / width);
target->AddLine(BPoint(where.left + i, where.top),
BPoint(where.left + i, where.bottom),
color);
}
target->EndLineArray();
}
void
BColorControl::KbAdjustColor(uint32 key)
{
}
bool
BColorControl::key_down32(uint32 key)
{
return false;
}
bool
BColorControl::key_down8(uint32 key)
{
return false;
}
BRect
BColorControl::CalcFrame(BPoint start, color_control_layout layout,
int32 size)
{
BRect rect;
switch (layout) {
case B_CELLS_4x64:
rect.Set(0.0f, 0.0f, 4 * size + 4.0f,
64 * size + 4.0f);
break;
case B_CELLS_8x32:
rect.Set(0.0f, 0.0f, 8 * size + 4.0f,
32 * size + 4.0f);
break;
case B_CELLS_16x16:
rect.Set(0.0f, 0.0f, 16 * size + 4.0f,
16 * size + 4.0f);
break;
case B_CELLS_32x8:
rect.Set(0.0f, 0.0f, 32 * size + 4.0f,
8 * size + 4.0f);
break;
case B_CELLS_64x4:
rect.Set(0.0f, 0.0f, 64 * size + 4.0f,
4 * size + 4.0f);
break;
}
return rect;
}
void
BColorControl::InitData(color_control_layout layout, float size,
bool useOffscreen, BMessage *data)
{
BRect bounds(Bounds());
fColumns = layout;
fRows = 256 / fColumns;
fTState = NULL;
fCellSize = size;
fRound = 1.0f;
fFastSet = false;
BScreen screen(Window());
fLastMode = screen.ColorSpace();
if (useOffscreen) {
fBitmap = new BBitmap(bounds, B_RGB32, true, false);
fOffscreenView = new BView(bounds, "off_view", 0, 0);
fBitmap->Lock();
fBitmap->AddChild(fOffscreenView);
fBitmap->Unlock();
} else {
fBitmap = NULL;
fOffscreenView = NULL;
}
fFocused = false;
fCachedIndex = -1;
fRetainCache = false;
if (data) {
int32 _val = 0;
data->FindInt32("_val", &_val);
SetValue(_val);
fRedText = (BTextControl*)FindView("_red");
fGreenText = (BTextControl*)FindView("_green");
fBlueText = (BTextControl*)FindView("_blue");
} else {
BRect rect(0.0f, 0.0f, 70.0f, 15.0f);
float labelWidth = StringWidth("Green:") + 5;
rect.right = labelWidth + StringWidth("999") + 20;
// red
fRedText = new BTextControl(rect, "_red", "Red:", "0",
new BMessage('ccol'), B_FOLLOW_LEFT | B_FOLLOW_TOP,
B_WILL_DRAW | B_NAVIGABLE);
fRedText->SetDivider(labelWidth);
float offset = fRedText->Bounds().Height() + 2;
for (int32 i = 0; i < 256; i++)
fRedText->TextView()->DisallowChar(i);
for (int32 i = '0'; i <= '9'; i++)
fRedText->TextView()->AllowChar(i);
fRedText->TextView()->SetMaxBytes(3);
// green
rect.OffsetBy(0.0f, offset);
fGreenText = new BTextControl(rect, "_green", "Green:", "0",
new BMessage('ccol'), B_FOLLOW_LEFT | B_FOLLOW_TOP,
B_WILL_DRAW | B_NAVIGABLE);
fGreenText->SetDivider(labelWidth);
for (int32 i = 0; i < 256; i++)
fGreenText->TextView()->DisallowChar(i);
for (int32 i = '0'; i <= '9'; i++)
fGreenText->TextView()->AllowChar(i);
fGreenText->TextView()->SetMaxBytes(3);
// blue
rect.OffsetBy(0.0f, offset);
fBlueText = new BTextControl(rect, "_blue", "Blue:", "0",
new BMessage('ccol'), B_FOLLOW_LEFT | B_FOLLOW_TOP,
B_WILL_DRAW | B_NAVIGABLE);
fBlueText->SetDivider(labelWidth);
for (int32 i = 0; i < 256; i++)
fBlueText->TextView()->DisallowChar(i);
for (int32 i = '0'; i <= '9'; i++)
fBlueText->TextView()->AllowChar(i);
fBlueText->TextView()->SetMaxBytes(3);
LayoutView(false);
AddChild(fRedText);
AddChild(fGreenText);
AddChild(fBlueText);
}
}
void
BColorControl::DoMouseMoved(BPoint pt)
{
}
void
BColorControl::DoMouseUp(BPoint pt)
{
}