Aegisub/aegisub/src/dialog_colorpicker.cpp

1282 lines
38 KiB
C++

// Copyright (c) 2005, Niels Martin Hansen
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Aegisub Project http://www.aegisub.org/
//
// $Id$
/// @file dialog_colorpicker.cpp
/// @brief Custom colour-selection dialogue box
/// @ingroup tools_ui
///
#include "config.h"
#ifndef AGI_PRE
#include <stdio.h>
#include <vector>
#include <wx/bitmap.h>
#include <wx/button.h>
#include <wx/choice.h>
#include <wx/clipbrd.h>
#include <wx/dataobj.h>
#include <wx/dcclient.h>
#include <wx/dcmemory.h>
#include <wx/dcscreen.h>
#include <wx/dialog.h>
#include <wx/event.h>
#include <wx/gbsizer.h>
#include <wx/image.h>
#include <wx/rawbmp.h>
#include <wx/settings.h>
#include <wx/sizer.h>
#include <wx/spinctrl.h>
#include <wx/statbmp.h>
#include <wx/statbox.h>
#include <wx/stattext.h>
#include <wx/textctrl.h>
#include <wx/tokenzr.h>
#endif
#include <libaegisub/scoped_ptr.h>
#include "ass_style.h"
#include "colorspace.h"
#include "compat.h"
#include "dialog_colorpicker.h"
#include "help_button.h"
#include "libresrc/libresrc.h"
#include "main.h"
#include "persist_location.h"
#include "utils.h"
#ifdef __WXMAC__
#include <ApplicationServices/ApplicationServices.h>
#endif
/// DOCME
/// @class ColorPickerSpectrum
/// @brief DOCME
///
/// DOCME
class ColorPickerSpectrum : public wxControl {
public:
enum PickerDirection {
HorzVert,
Horz,
Vert
};
private:
int x;
int y;
/// DOCME
wxBitmap *background;
/// DOCME
PickerDirection direction;
void OnPaint(wxPaintEvent &evt);
void OnMouse(wxMouseEvent &evt);
bool AcceptsFocusFromKeyboard() const { return false; }
public:
ColorPickerSpectrum(wxWindow *parent, PickerDirection direction, wxSize size);
int GetX() const { return x; }
int GetY() const { return y; }
void SetXY(int xx, int yy);
void SetBackground(wxBitmap *new_background, bool force = false);
};
/// DOCME
/// @class ColorPickerRecent
/// @brief DOCME
///
/// DOCME
class ColorPickerRecent : public wxControl {
int rows; ///< Number of rows of colors
int cols; ///< Number of cols of colors
int cellsize; ///< Width/Height of each cell
/// The colors currently displayed in the control
std::vector<wxColour> colors;
/// Does the background need to be regenerated?
bool background_valid;
/// Bitmap storing the cached background
wxBitmap background;
void OnClick(wxMouseEvent &evt);
void OnPaint(wxPaintEvent &evt);
void OnSize(wxSizeEvent &evt);
bool AcceptsFocusFromKeyboard() const { return false; }
public:
ColorPickerRecent(wxWindow *parent, int cols, int rows, int cellsize);
/// Load the colors to show from a string
void LoadFromString(const wxString &recent_string = wxString());
/// Save the colors currently shown to a string
wxString StoreToString();
/// Add a color to the beginning of the recent list
void AddColor(wxColour color);
};
/// DOCME
/// @class ColorPickerScreenDropper
/// @brief DOCME
///
/// DOCME
class ColorPickerScreenDropper : public wxControl {
/// DOCME
wxBitmap capture;
/// DOCME
/// DOCME
int resx, resy;
/// DOCME
int magnification;
void OnMouse(wxMouseEvent &evt);
void OnPaint(wxPaintEvent &evt);
bool AcceptsFocusFromKeyboard() const { return false; }
public:
ColorPickerScreenDropper(wxWindow *parent, int resx, int resy, int magnification);
void DropFromScreenXY(int x, int y);
};
/// DOCME
/// @class DialogColorPicker
/// @brief DOCME
///
/// DOCME
class DialogColorPicker : public wxDialog {
agi::scoped_ptr<PersistLocation> persist;
wxColour cur_color; ///< Currently selected colour
bool spectrum_dirty; ///< Does the spectrum image need to be regenerated?
ColorPickerSpectrum *spectrum; ///< The 2D color spectrum
ColorPickerSpectrum *slider; ///< The 1D slider for the color component not in the slider
wxChoice *colorspace_choice; ///< The dropdown list to select colorspaces
static const int slider_width = 10; ///< width in pixels of the color slider control
wxSpinCtrl *rgb_input[3];
wxBitmap *rgb_spectrum[3]; ///< x/y spectrum bitmap where color "i" is excluded from
wxBitmap *rgb_slider[3]; ///< z spectrum for color "i"
wxSpinCtrl *hsl_input[3];
wxBitmap *hsl_spectrum; ///< h/s spectrum
wxBitmap *hsl_slider; ///< l spectrum
wxSpinCtrl *hsv_input[3];
wxBitmap *hsv_spectrum; ///< s/v spectrum
wxBitmap *hsv_slider; ///< h spectrum
wxTextCtrl *ass_input;
wxTextCtrl *html_input;
/// The eyedropper is set to a blank icon when it's clicked, so store its normal bitmap
wxBitmap eyedropper_bitmap;
/// The point where the eyedropper was click, used to make it possible to either
/// click the eyedropper or drag the eyedropper
wxPoint eyedropper_grab_point;
/// DOCME
bool eyedropper_is_grabbed;
wxStaticBitmap *preview_box; ///< A box which simply shows the current color
ColorPickerRecent *recent_box; ///< A grid of recently used colors
/// DOCME
ColorPickerScreenDropper *screen_dropper;
/// DOCME
wxStaticBitmap *screen_dropper_icon;
/// Update all other controls as a result of modifying an RGB control
void UpdateFromRGB(bool dirty = true);
/// Update all other controls as a result of modifying an HSL control
void UpdateFromHSL(bool dirty = true);
/// Update all other controls as a result of modifying an HSV control
void UpdateFromHSV(bool dirty = true);
/// Update all other controls as a result of modifying the ASS format control
void UpdateFromASS();
/// Update all other controls as a result of modifying the HTML format control
void UpdateFromHTML();
void SetRGB(unsigned char r, unsigned char g, unsigned char b);
void SetHSL(unsigned char r, unsigned char g, unsigned char b);
void SetHSV(unsigned char r, unsigned char g, unsigned char b);
/// Redraw the spectrum display
void UpdateSpectrumDisplay();
wxBitmap *MakeGBSpectrum();
wxBitmap *MakeRBSpectrum();
wxBitmap *MakeRGSpectrum();
wxBitmap *MakeHSSpectrum();
wxBitmap *MakeSVSpectrum();
/// Constructor helper function for making the color input box sizers
template<int N, class Control>
wxSizer *MakeColorInputSizer(wxString (&labels)[N], Control *(&inputs)[N]);
void OnChangeMode(wxCommandEvent &evt);
void OnSpectrumChange(wxCommandEvent &evt);
void OnSliderChange(wxCommandEvent &evt);
void OnRecentSelect(wxCommandEvent &evt); // also handles dropper pick
void OnDropperMouse(wxMouseEvent &evt);
void OnMouse(wxMouseEvent &evt);
void OnCaptureLost(wxMouseCaptureLostEvent&);
ColorCallback callback;
void *callbackUserdata;
public:
DialogColorPicker(wxWindow *parent, wxColour initial_color, ColorCallback callback = NULL, void *userdata = NULL);
~DialogColorPicker();
void SetColor(wxColour new_color);
wxColour GetColor();
};
/// DOCME
static const int spectrum_horz_vert_arrow_size = 4;
ColorPickerSpectrum::ColorPickerSpectrum(wxWindow *parent, PickerDirection direction, wxSize size)
: wxControl(parent, -1, wxDefaultPosition, wxDefaultSize, wxBORDER_NONE)
, x(-1)
, y(-1)
, background(0)
, direction(direction)
{
size.x += 2;
size.y += 2;
if (direction == Vert) size.x += spectrum_horz_vert_arrow_size + 1;
if (direction == Horz) size.y += spectrum_horz_vert_arrow_size + 1;
SetClientSize(size);
SetMinSize(GetSize());
Bind(wxEVT_LEFT_DOWN, &ColorPickerSpectrum::OnMouse, this);
Bind(wxEVT_LEFT_UP, &ColorPickerSpectrum::OnMouse, this);
Bind(wxEVT_MOTION, &ColorPickerSpectrum::OnMouse, this);
Bind(wxEVT_PAINT, &ColorPickerSpectrum::OnPaint, this);
}
void ColorPickerSpectrum::SetXY(int xx, int yy)
{
if (x != xx || y != yy) {
x = xx;
y = yy;
Refresh(false);
}
}
/// @brief Set the background image for this spectrum
/// @param new_background New background image
/// @param force Repaint even if it appears to be the same image
void ColorPickerSpectrum::SetBackground(wxBitmap *new_background, bool force)
{
if (background == new_background && !force) return;
background = new_background;
Refresh(false);
}
wxDEFINE_EVENT(EVT_SPECTRUM_CHANGE, wxCommandEvent);
void ColorPickerSpectrum::OnPaint(wxPaintEvent &)
{
if (!background) return;
int height = background->GetHeight();
int width = background->GetWidth();
wxPaintDC dc(this);
wxMemoryDC memdc;
memdc.SelectObject(*background);
dc.Blit(1, 1, width, height, &memdc, 0, 0);
wxPoint arrow[3];
wxRect arrow_box;
wxPen invpen(*wxWHITE, 3);
invpen.SetCap(wxCAP_BUTT);
dc.SetLogicalFunction(wxXOR);
dc.SetPen(invpen);
switch (direction) {
case HorzVert:
// Make a little cross
dc.DrawLine(x-4, y+1, x+7, y+1);
dc.DrawLine(x+1, y-4, x+1, y+7);
break;
case Horz:
// Make a vertical line stretching all the way across
dc.DrawLine(x+1, 1, x+1, height+1);
// Points for arrow
arrow[0] = wxPoint(x+1, height+2);
arrow[1] = wxPoint(x+1-spectrum_horz_vert_arrow_size, height+2+spectrum_horz_vert_arrow_size);
arrow[2] = wxPoint(x+1+spectrum_horz_vert_arrow_size, height+2+spectrum_horz_vert_arrow_size);
arrow_box.SetLeft(0);
arrow_box.SetTop(height + 2);
arrow_box.SetRight(width + 1 + spectrum_horz_vert_arrow_size);
arrow_box.SetBottom(height + 2 + spectrum_horz_vert_arrow_size);
break;
case Vert:
// Make a horizontal line stretching all the way across
dc.DrawLine(1, y+1, width+1, y+1);
// Points for arrow
arrow[0] = wxPoint(width+2, y+1);
arrow[1] = wxPoint(width+2+spectrum_horz_vert_arrow_size, y+1-spectrum_horz_vert_arrow_size);
arrow[2] = wxPoint(width+2+spectrum_horz_vert_arrow_size, y+1+spectrum_horz_vert_arrow_size);
arrow_box.SetLeft(width + 2);
arrow_box.SetTop(0);
arrow_box.SetRight(width + 2 + spectrum_horz_vert_arrow_size);
arrow_box.SetBottom(height + 1 + spectrum_horz_vert_arrow_size);
break;
}
if (direction == Horz || direction == Vert) {
wxBrush bgBrush;
bgBrush.SetColour(GetBackgroundColour());
dc.SetLogicalFunction(wxCOPY);
dc.SetPen(*wxTRANSPARENT_PEN);
dc.SetBrush(bgBrush);
dc.DrawRectangle(arrow_box);
// Arrow pointing at current point
dc.SetBrush(*wxBLACK_BRUSH);
dc.DrawPolygon(3, arrow);
}
// Border around the spectrum
wxPen blkpen(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT), 1);
blkpen.SetCap(wxCAP_BUTT);
dc.SetLogicalFunction(wxCOPY);
dc.SetPen(blkpen);
dc.SetBrush(*wxTRANSPARENT_BRUSH);
dc.DrawRectangle(0, 0, background->GetWidth()+2, background->GetHeight()+2);
}
void ColorPickerSpectrum::OnMouse(wxMouseEvent &evt)
{
evt.Skip();
// We only care about mouse move events during a drag
if (evt.Moving())
return;
if (evt.LeftDown()) {
CaptureMouse();
SetCursor(wxCursor(wxCURSOR_BLANK));
}
else if (evt.LeftUp() && HasCapture()) {
ReleaseMouse();
SetCursor(wxNullCursor);
}
if (evt.LeftDown() || (HasCapture() && evt.LeftIsDown())) {
int newx = mid(0, evt.GetX(), GetClientSize().x - 1);
int newy = mid(0, evt.GetY(), GetClientSize().y - 1);
SetXY(newx, newy);
wxCommandEvent evt2(EVT_SPECTRUM_CHANGE, GetId());
AddPendingEvent(evt2);
}
}
#ifdef WIN32
#define STATIC_BORDER_FLAG wxSTATIC_BORDER
#else
#define STATIC_BORDER_FLAG wxSIMPLE_BORDER
#endif
ColorPickerRecent::ColorPickerRecent(wxWindow *parent, int cols, int rows, int cellsize)
: wxControl(parent, -1, wxDefaultPosition, wxDefaultSize, STATIC_BORDER_FLAG)
, rows(rows)
, cols(cols)
, cellsize(cellsize)
, background_valid(false)
{
LoadFromString();
SetClientSize(cols*cellsize, rows*cellsize);
SetMinSize(GetSize());
SetMaxSize(GetSize());
SetCursor(*wxCROSS_CURSOR);
Bind(wxEVT_PAINT, &ColorPickerRecent::OnPaint, this);
Bind(wxEVT_LEFT_DOWN, &ColorPickerRecent::OnClick, this);
Bind(wxEVT_SIZE, &ColorPickerRecent::OnSize, this);
}
void ColorPickerRecent::LoadFromString(const wxString &recent_string)
{
colors.clear();
wxStringTokenizer toker(recent_string, " ", false);
while (toker.HasMoreTokens()) {
AssColor color;
color.Parse(toker.NextToken());
color.a = 0; // opaque
colors.push_back(color.GetWXColor());
}
while ((int)colors.size() < rows*cols) {
colors.push_back(*wxBLACK);
}
background_valid = false;
}
wxString ColorPickerRecent::StoreToString()
{
wxString res;
for (int i = 0; i < rows*cols; i++) {
res << AssColor(colors[i]).GetASSFormatted(false, false, false) << " ";
}
return res.Trim(true);
}
void ColorPickerRecent::AddColor(wxColour color)
{
std::vector<wxColour>::iterator existing = find(colors.begin(), colors.end(), color);
if (existing != colors.end())
rotate(colors.begin(), existing, existing + 1);
else
colors.insert(colors.begin(), color);
background_valid = false;
Refresh(false);
}
wxDEFINE_EVENT(EVT_RECENT_SELECT, wxCommandEvent);
void ColorPickerRecent::OnClick(wxMouseEvent &evt)
{
wxSize cs = GetClientSize();
int cx = evt.GetX() * cols / cs.x;
int cy = evt.GetY() * rows / cs.y;
if (cx < 0 || cx > cols || cy < 0 || cy > rows) return;
int i = cols*cy + cx;
if (i >= 0 && i < (int)colors.size()) {
wxCommandEvent evnt(EVT_RECENT_SELECT, GetId());
evnt.SetString(AssColor(colors[i]).GetASSFormatted(false, false, false));
AddPendingEvent(evnt);
}
}
void ColorPickerRecent::OnPaint(wxPaintEvent &)
{
wxPaintDC pdc(this);
PrepareDC(pdc);
if (!background_valid) {
wxSize sz = pdc.GetSize();
background = wxBitmap(sz.x, sz.y);
wxMemoryDC dc(background);
dc.SetPen(*wxTRANSPARENT_PEN);
for (int cy = 0; cy < rows; cy++) {
for (int cx = 0; cx < cols; cx++) {
int x = cx * cellsize;
int y = cy * cellsize;
dc.SetBrush(wxBrush(colors[cy * cols + cx]));
dc.DrawRectangle(x, y, x+cellsize, y+cellsize);
}
}
background_valid = true;
}
pdc.DrawBitmap(background, 0, 0, false);
}
void ColorPickerRecent::OnSize(wxSizeEvent &)
{
background_valid = false;
Refresh();
}
ColorPickerScreenDropper::ColorPickerScreenDropper(wxWindow *parent, int resx, int resy, int magnification)
: wxControl(parent, -1, wxDefaultPosition, wxDefaultSize, STATIC_BORDER_FLAG)
, capture(resx * magnification, resy * magnification, wxNativePixelFormat::BitsPerPixel)
, resx(resx)
, resy(resy)
, magnification(magnification)
{
SetClientSize(resx*magnification, resy*magnification);
SetMinSize(GetSize());
SetMaxSize(GetSize());
SetCursor(*wxCROSS_CURSOR);
wxMemoryDC capdc(capture);
capdc.SetPen(*wxTRANSPARENT_PEN);
capdc.SetBrush(*wxWHITE_BRUSH);
capdc.DrawRectangle(0, 0, capture.GetWidth(), capture.GetHeight());
Bind(wxEVT_PAINT, &ColorPickerScreenDropper::OnPaint, this);
Bind(wxEVT_LEFT_DOWN, &ColorPickerScreenDropper::OnMouse, this);
}
wxDEFINE_EVENT(EVT_DROPPER_SELECT, wxCommandEvent);
void ColorPickerScreenDropper::OnMouse(wxMouseEvent &evt)
{
int x = evt.GetX();
int y = evt.GetY();
if (x >= 0 && x < capture.GetWidth() && y >= 0 && y < capture.GetHeight()) {
wxNativePixelData pd(capture, wxRect(x, y, 1, 1));
wxNativePixelData::Iterator pdi(pd.GetPixels());
wxColour color(pdi.Red(), pdi.Green(), pdi.Blue(), wxALPHA_OPAQUE);
wxCommandEvent evnt(EVT_DROPPER_SELECT, GetId());
evnt.SetString(AssColor(color).GetASSFormatted(false, false, false));
AddPendingEvent(evnt);
}
}
void ColorPickerScreenDropper::OnPaint(wxPaintEvent &)
{
wxPaintDC(this).DrawBitmap(capture, 0, 0);
}
void ColorPickerScreenDropper::DropFromScreenXY(int x, int y)
{
wxMemoryDC capdc(capture);
capdc.SetPen(*wxTRANSPARENT_PEN);
#ifndef __WXMAC__
wxScreenDC screen;
capdc.StretchBlit(0, 0, resx * magnification, resy * magnification,
&screen, x - resx / 2, y - resy / 2, resx, resy);
#else
// wxScreenDC doesn't work on recent versions of OS X so do it manually
// Doesn't bother handling the case where the rect overlaps two monitors
CGDirectDisplayID display_id;
uint32_t display_count;
CGGetDisplaysWithPoint(CGPointMake(x, y), 1, &display_id, &display_count);
agi::scoped_holder<CGImageRef> img(CGDisplayCreateImageForRect(display_id, CGRectMake(x - resx / 2, y - resy / 2, resx, resy)), CGImageRelease);
NSUInteger width = CGImageGetWidth(img);
NSUInteger height = CGImageGetHeight(img);
std::vector<uint8_t> imgdata(height * width * 4);
agi::scoped_holder<CGColorSpaceRef> colorspace(CGColorSpaceCreateDeviceRGB(), CGColorSpaceRelease);
agi::scoped_holder<CGContextRef> bmp_context(CGBitmapContextCreate(&imgdata[0], width, height, 8, 4 * width, colorspace, kCGImageAlphaPremultipliedLast | kCGBitmapByteOrder32Big), CGContextRelease);
CGContextDrawImage(bmp_context, CGRectMake(0, 0, width, height), img);
for (int x = 0; x < resx; x++) {
for (int y = 0; y < resy; y++) {
uint8_t *pixel = &imgdata[y * width * 4 + x * 4];
capdc.SetBrush(wxBrush(wxColour(pixel[0], pixel[1], pixel[2])));
capdc.DrawRectangle(x * magnification, y * magnification, magnification, magnification);
}
}
#endif
Refresh(false);
}
wxColour GetColorFromUser(wxWindow *parent, wxColour original, ColorCallback callback, void* userdata)
{
DialogColorPicker dialog(parent, original, callback, userdata);
if (dialog.ShowModal() == wxID_OK)
original = dialog.GetColor();
else
original = wxNullColour;
if (callback)
callback(userdata, original);
return original;
}
static wxBitmap *make_rgb_image(int width, int offset) {
unsigned char *oslid = (unsigned char *)calloc(width * 256 * 3, 1);
unsigned char *slid = oslid + offset;
for (int y = 0; y < 256; y++) {
for (int x = 0; x < width; x++) {
*slid = clip_colorval(y);
slid += 3;
}
}
wxImage img(width, 256, oslid);
return new wxBitmap(img);
}
DialogColorPicker::DialogColorPicker(wxWindow *parent, wxColour initial_color, ColorCallback callback, void* userdata)
: wxDialog(parent, -1, _("Select Color"))
, callback(callback)
, callbackUserdata(userdata)
{
memset(rgb_spectrum, 0, sizeof rgb_spectrum);
hsl_spectrum = 0;
hsv_spectrum = 0;
// generate spectrum slider bar images
rgb_slider[0] = make_rgb_image(slider_width, 0);
rgb_slider[1] = make_rgb_image(slider_width, 1);
rgb_slider[2] = make_rgb_image(slider_width, 2);
// luminance
unsigned char *slid = (unsigned char *)malloc(slider_width*256*3);
for (int y = 0; y < 256; y++) {
memset(slid + y * slider_width * 3, y, slider_width * 3);
}
wxImage sliderimg(slider_width, 256, slid);
hsl_slider = new wxBitmap(sliderimg);
slid = (unsigned char *)malloc(slider_width*256*3);
for (int y = 0; y < 256; y++) {
unsigned char rgb[3];
hsv_to_rgb(y, 255, 255, rgb, rgb + 1, rgb + 2);
for (int x = 0; x < slider_width; x++) {
memcpy(slid + y * slider_width * 3 + x * 3, rgb, 3);
}
}
sliderimg.SetData(slid);
hsv_slider = new wxBitmap(sliderimg);
// Create the controls for the dialog
wxSizer *spectrum_box = new wxStaticBoxSizer(wxVERTICAL, this, _("Color spectrum"));
spectrum = new ColorPickerSpectrum(this, ColorPickerSpectrum::HorzVert, wxSize(256, 256));
slider = new ColorPickerSpectrum(this, ColorPickerSpectrum::Vert, wxSize(slider_width, 256));
wxString modes[] = { _("RGB/R"), _("RGB/G"), _("RGB/B"), _("HSL/L"), _("HSV/H") };
colorspace_choice = new wxChoice(this, -1, wxDefaultPosition, wxDefaultSize, 5, modes);
wxSize colorinput_size(70, -1);
wxSize colorinput_labelsize(40, -1);
wxSizer *rgb_box = new wxStaticBoxSizer(wxHORIZONTAL, this, _("RGB color"));
wxSizer *hsl_box = new wxStaticBoxSizer(wxVERTICAL, this, _("HSL color"));
wxSizer *hsv_box = new wxStaticBoxSizer(wxVERTICAL, this, _("HSV color"));
for (int i = 0; i < 3; ++i)
rgb_input[i] = new wxSpinCtrl(this, -1, "", wxDefaultPosition, colorinput_size, wxSP_ARROW_KEYS, 0, 255);
ass_input = new wxTextCtrl(this, -1, "", wxDefaultPosition, colorinput_size);
html_input = new wxTextCtrl(this, -1, "", wxDefaultPosition, colorinput_size);
for (int i = 0; i < 3; ++i)
hsl_input[i] = new wxSpinCtrl(this, -1, "", wxDefaultPosition, colorinput_size, wxSP_ARROW_KEYS, 0, 255);
for (int i = 0; i < 3; ++i)
hsv_input[i] = new wxSpinCtrl(this, -1, "", wxDefaultPosition, colorinput_size, wxSP_ARROW_KEYS, 0, 255);
preview_box = new wxStaticBitmap(this, -1, wxBitmap(40, 40, 24), wxDefaultPosition, wxSize(40, 40), STATIC_BORDER_FLAG);
recent_box = new ColorPickerRecent(this, 8, 4, 16);
eyedropper_bitmap = GETIMAGE(eyedropper_tool_24);
eyedropper_bitmap.SetMask(new wxMask(eyedropper_bitmap, wxColour(255, 0, 255)));
screen_dropper_icon = new wxStaticBitmap(this, -1, eyedropper_bitmap, wxDefaultPosition, wxDefaultSize, wxRAISED_BORDER);
screen_dropper = new ColorPickerScreenDropper(this, 7, 7, 8);
// Arrange the controls in a nice way
wxSizer *spectop_sizer = new wxBoxSizer(wxHORIZONTAL);
spectop_sizer->Add(new wxStaticText(this, -1, _("Spectrum mode:")), 0, wxALIGN_CENTER_VERTICAL|wxALIGN_LEFT|wxRIGHT, 5);
spectop_sizer->Add(colorspace_choice, 0, wxALIGN_CENTER_VERTICAL|wxALIGN_LEFT);
spectop_sizer->Add(5, 5, 1, wxEXPAND);
spectop_sizer->Add(preview_box, 0, wxALIGN_CENTER_VERTICAL|wxALIGN_RIGHT);
wxSizer *spectrum_sizer = new wxFlexGridSizer(2, 5, 5);
spectrum_sizer->Add(spectop_sizer, wxEXPAND);
spectrum_sizer->AddStretchSpacer(1);
spectrum_sizer->Add(spectrum);
spectrum_sizer->Add(slider);
spectrum_box->Add(spectrum_sizer, 0, wxALL, 3);
wxString rgb_labels[] = { _("Red:"), _("Green:"), _("Blue:") };
rgb_box->Add(MakeColorInputSizer(rgb_labels, rgb_input), 1, wxALL|wxEXPAND, 3);
wxString ass_labels[] = { "ASS:", "HTML:" };
wxTextCtrl *ass_ctrls[] = { ass_input, html_input };
rgb_box->Add(MakeColorInputSizer(ass_labels, ass_ctrls), 0, wxALL|wxCENTER|wxEXPAND, 3);
wxString hsl_labels[] = { _("Hue:"), _("Sat.:"), _("Lum.:") };
hsl_box->Add(MakeColorInputSizer(hsl_labels, hsl_input), 0, wxALL|wxEXPAND, 3);
wxString hsv_labels[] = { _("Hue:"), _("Sat.:"), _("Value:") };
hsv_box->Add(MakeColorInputSizer(hsv_labels, hsv_input), 0, wxALL|wxEXPAND, 3);
wxSizer *hsx_sizer = new wxBoxSizer(wxHORIZONTAL);
hsx_sizer->Add(hsl_box);
hsx_sizer->AddSpacer(5);
hsx_sizer->Add(hsv_box);
wxSizer *recent_sizer = new wxBoxSizer(wxVERTICAL);
recent_sizer->Add(recent_box, 1, wxEXPAND);
wxSizer *picker_sizer = new wxBoxSizer(wxHORIZONTAL);
picker_sizer->AddStretchSpacer();
picker_sizer->Add(screen_dropper_icon, 0, wxALIGN_CENTER|wxRIGHT, 5);
picker_sizer->Add(screen_dropper, 0, wxALIGN_CENTER);
picker_sizer->AddStretchSpacer();
picker_sizer->Add(recent_sizer, 0, wxALIGN_CENTER);
picker_sizer->AddStretchSpacer();
wxStdDialogButtonSizer *button_sizer = CreateStdDialogButtonSizer(wxOK | wxCANCEL | wxHELP);
wxSizer *input_sizer = new wxBoxSizer(wxVERTICAL);
input_sizer->Add(rgb_box, 0, wxALIGN_CENTER|wxEXPAND);
input_sizer->AddSpacer(5);
input_sizer->Add(hsx_sizer, 0, wxALIGN_CENTER|wxEXPAND);
input_sizer->AddStretchSpacer(1);
input_sizer->Add(picker_sizer, 0, wxALIGN_CENTER|wxEXPAND);
input_sizer->AddStretchSpacer(2);
input_sizer->Add(button_sizer, 0, wxALIGN_RIGHT|wxALIGN_BOTTOM);
wxSizer *main_sizer = new wxBoxSizer(wxHORIZONTAL);
main_sizer->Add(spectrum_box, 1, wxALL | wxEXPAND, 5);
main_sizer->Add(input_sizer, 0, (wxALL&~wxLEFT)|wxEXPAND, 5);
SetSizerAndFit(main_sizer);
persist.reset(new PersistLocation(this, "Tool/Colour Picker"));
// Fill the controls
int mode = OPT_GET("Tool/Colour Picker/Mode")->GetInt();
if (mode < 0 || mode > 4) mode = 3; // HSL default
colorspace_choice->SetSelection(mode);
SetColor(initial_color);
recent_box->LoadFromString(lagi_wxString(OPT_GET("Tool/Colour Picker/Recent")->GetString()));
using std::tr1::bind;
for (int i = 0; i < 3; ++i) {
rgb_input[i]->Bind(wxEVT_COMMAND_SPINCTRL_UPDATED, bind(&DialogColorPicker::UpdateFromRGB, this, true));
rgb_input[i]->Bind(wxEVT_COMMAND_TEXT_UPDATED, bind(&DialogColorPicker::UpdateFromRGB, this, true));
hsl_input[i]->Bind(wxEVT_COMMAND_SPINCTRL_UPDATED, bind(&DialogColorPicker::UpdateFromHSL, this, true));
hsl_input[i]->Bind(wxEVT_COMMAND_TEXT_UPDATED, bind(&DialogColorPicker::UpdateFromHSL, this, true));
hsv_input[i]->Bind(wxEVT_COMMAND_SPINCTRL_UPDATED, bind(&DialogColorPicker::UpdateFromHSV, this, true));
hsv_input[i]->Bind(wxEVT_COMMAND_TEXT_UPDATED, bind(&DialogColorPicker::UpdateFromHSV, this, true));
}
ass_input->Bind(wxEVT_COMMAND_TEXT_UPDATED, bind(&DialogColorPicker::UpdateFromASS, this));
html_input->Bind(wxEVT_COMMAND_TEXT_UPDATED, bind(&DialogColorPicker::UpdateFromHTML, this));
screen_dropper_icon->Bind(wxEVT_MOTION, &DialogColorPicker::OnDropperMouse, this);
screen_dropper_icon->Bind(wxEVT_LEFT_DOWN, &DialogColorPicker::OnDropperMouse, this);
screen_dropper_icon->Bind(wxEVT_LEFT_UP, &DialogColorPicker::OnDropperMouse, this);
screen_dropper_icon->Bind(wxEVT_MOUSE_CAPTURE_LOST, &DialogColorPicker::OnCaptureLost, this);
Bind(wxEVT_MOTION, &DialogColorPicker::OnMouse, this);
Bind(wxEVT_LEFT_DOWN, &DialogColorPicker::OnMouse, this);
Bind(wxEVT_LEFT_UP, &DialogColorPicker::OnMouse, this);
spectrum->Bind(EVT_SPECTRUM_CHANGE, &DialogColorPicker::OnSpectrumChange, this);
slider->Bind(EVT_SPECTRUM_CHANGE, &DialogColorPicker::OnSliderChange, this);
recent_box->Bind(EVT_RECENT_SELECT, &DialogColorPicker::OnRecentSelect, this);
screen_dropper->Bind(EVT_DROPPER_SELECT, &DialogColorPicker::OnRecentSelect, this);
colorspace_choice->Bind(wxEVT_COMMAND_CHOICE_SELECTED, &DialogColorPicker::OnChangeMode, this);
button_sizer->GetHelpButton()->Bind(wxEVT_COMMAND_BUTTON_CLICKED, bind(&HelpButton::OpenPage, "Colour Picker"));
}
template<int N, class Control>
wxSizer *DialogColorPicker::MakeColorInputSizer(wxString (&labels)[N], Control *(&inputs)[N])
{
wxFlexGridSizer * sizer = new wxFlexGridSizer(2, 5, 5);
for (int i = 0; i < N; ++i) {
sizer->Add(new wxStaticText(this, -1, labels[i]), wxSizerFlags(1).Center().Left());
sizer->Add(inputs[i]);
}
sizer->AddGrowableCol(0,1);
return sizer;
}
/// @brief Destructor
DialogColorPicker::~DialogColorPicker()
{
delete rgb_spectrum[0];
delete rgb_spectrum[1];
delete rgb_spectrum[2];
delete hsl_spectrum;
delete hsv_spectrum;
delete rgb_slider[0];
delete rgb_slider[1];
delete rgb_slider[2];
delete hsl_slider;
delete hsv_slider;
if (screen_dropper_icon->HasCapture()) screen_dropper_icon->ReleaseMouse();
}
/// @brief Sets the currently selected color, and updates all controls
void DialogColorPicker::SetColor(wxColour new_color)
{
SetRGB(new_color.Red(), new_color.Green(), new_color.Blue());
spectrum_dirty = true;
UpdateFromRGB();
}
/// @brief Get the currently selected color
wxColour DialogColorPicker::GetColor()
{
recent_box->AddColor(cur_color);
OPT_SET("Tool/Colour Picker/Recent")->SetString(STD_STR(recent_box->StoreToString()));
return cur_color;
}
static void change_value(wxSpinCtrl *ctrl, int value)
{
wxEventBlocker blocker(ctrl);
ctrl->SetValue(value);
}
void DialogColorPicker::SetRGB(unsigned char r, unsigned char g, unsigned char b)
{
change_value(rgb_input[0], r);
change_value(rgb_input[1], g);
change_value(rgb_input[2], b);
cur_color = wxColour(r, g, b, wxALPHA_OPAQUE);
}
void DialogColorPicker::SetHSL(unsigned char r, unsigned char g, unsigned char b)
{
unsigned char h, s, l;
rgb_to_hsl(r, g, b, &h, &s, &l);
change_value(hsl_input[0], h);
change_value(hsl_input[1], s);
change_value(hsl_input[2], l);
}
void DialogColorPicker::SetHSV(unsigned char r, unsigned char g, unsigned char b)
{
unsigned char h, s, v;
rgb_to_hsv(r, g, b, &h, &s, &v);
change_value(hsv_input[0], h);
change_value(hsv_input[1], s);
change_value(hsv_input[2], v);
}
/// @brief Use the values entered in the RGB controls to update the other controls
void DialogColorPicker::UpdateFromRGB(bool dirty)
{
unsigned char r, g, b;
r = rgb_input[0]->GetValue();
g = rgb_input[1]->GetValue();
b = rgb_input[2]->GetValue();
SetHSL(r, g, b);
SetHSV(r, g, b);
cur_color = wxColour(r, g, b, wxALPHA_OPAQUE);
ass_input->ChangeValue(AssColor(cur_color).GetASSFormatted(false, false, false));
html_input->ChangeValue(color_to_html(cur_color));
if (dirty)
spectrum_dirty = true;
UpdateSpectrumDisplay();
}
/// @brief Use the values entered in the HSL controls to update the other controls
void DialogColorPicker::UpdateFromHSL(bool dirty)
{
unsigned char r, g, b, h, s, l;
h = hsl_input[0]->GetValue();
s = hsl_input[1]->GetValue();
l = hsl_input[2]->GetValue();
hsl_to_rgb(h, s, l, &r, &g, &b);
SetRGB(r, g, b);
SetHSV(r, g, b);
ass_input->ChangeValue(AssColor(cur_color).GetASSFormatted(false, false, false));
html_input->ChangeValue(color_to_html(cur_color));
if (dirty)
spectrum_dirty = true;
UpdateSpectrumDisplay();
}
/// @brief Use the values entered in the HSV controls to update the other controls
void DialogColorPicker::UpdateFromHSV(bool dirty)
{
unsigned char r, g, b, h, s, v;
h = hsv_input[0]->GetValue();
s = hsv_input[1]->GetValue();
v = hsv_input[2]->GetValue();
hsv_to_rgb(h, s, v, &r, &g, &b);
SetRGB(r, g, b);
SetHSL(r, g, b);
ass_input->ChangeValue(AssColor(cur_color).GetASSFormatted(false, false, false));
html_input->ChangeValue(color_to_html(cur_color));
if (dirty)
spectrum_dirty = true;
UpdateSpectrumDisplay();
}
/// @brief Use the value entered in the ASS hex control to update the other controls
void DialogColorPicker::UpdateFromASS()
{
unsigned char r, g, b;
AssColor ass;
ass.Parse(ass_input->GetValue());
r = ass.r;
g = ass.g;
b = ass.b;
SetRGB(r, g, b);
SetHSL(r, g, b);
SetHSV(r, g, b);
html_input->ChangeValue(color_to_html(cur_color));
spectrum_dirty = true;
UpdateSpectrumDisplay();
}
/// @brief Use the value entered in the HTML hex control to update the other controls
void DialogColorPicker::UpdateFromHTML()
{
unsigned char r, g, b;
cur_color = html_to_color(html_input->GetValue());
r = cur_color.Red();
g = cur_color.Green();
b = cur_color.Blue();
SetRGB(r, g, b);
SetHSL(r, g, b);
SetHSV(r, g, b);
ass_input->ChangeValue(AssColor(cur_color).GetASSFormatted(false, false, false));
spectrum_dirty = true;
UpdateSpectrumDisplay();
}
void DialogColorPicker::UpdateSpectrumDisplay()
{
int i = colorspace_choice->GetSelection();
switch (i) {
case 0:
if (spectrum_dirty)
spectrum->SetBackground(MakeGBSpectrum(), true);
slider->SetBackground(rgb_slider[0]);
slider->SetXY(0, rgb_input[0]->GetValue());
spectrum->SetXY(rgb_input[2]->GetValue(), rgb_input[1]->GetValue());
break;
case 1:
if (spectrum_dirty)
spectrum->SetBackground(MakeRBSpectrum(), true);
slider->SetBackground(rgb_slider[1]);
slider->SetXY(0, rgb_input[1]->GetValue());
spectrum->SetXY(rgb_input[2]->GetValue(), rgb_input[0]->GetValue());
break;
case 2:
if (spectrum_dirty)
spectrum->SetBackground(MakeRGSpectrum(), true);
slider->SetBackground(rgb_slider[2]);
slider->SetXY(0, rgb_input[2]->GetValue());
spectrum->SetXY(rgb_input[1]->GetValue(), rgb_input[0]->GetValue());
break;
case 3:
if (spectrum_dirty)
spectrum->SetBackground(MakeHSSpectrum(), true);
slider->SetBackground(hsl_slider);
slider->SetXY(0, hsl_input[2]->GetValue());
spectrum->SetXY(hsl_input[1]->GetValue(), hsl_input[0]->GetValue());
break;
case 4:
if (spectrum_dirty)
spectrum->SetBackground(MakeSVSpectrum(), true);
slider->SetBackground(hsv_slider);
slider->SetXY(0, hsv_input[0]->GetValue());
spectrum->SetXY(hsv_input[1]->GetValue(), hsv_input[2]->GetValue());
break;
}
spectrum_dirty = false;
wxBitmap tempBmp = preview_box->GetBitmap();
{
wxMemoryDC previewdc;
previewdc.SelectObject(tempBmp);
previewdc.SetPen(*wxTRANSPARENT_PEN);
previewdc.SetBrush(wxBrush(cur_color));
previewdc.DrawRectangle(0, 0, 40, 40);
}
preview_box->SetBitmap(tempBmp);
if (callback) callback(callbackUserdata, cur_color);
}
wxBitmap *DialogColorPicker::MakeGBSpectrum()
{
delete rgb_spectrum[0];
wxImage spectrum_image(256, 256, false);
unsigned char *ospec, *spec;
ospec = spec = (unsigned char *)malloc(256*256*3);
if (!spec) throw std::bad_alloc();
for (int g = 0; g < 256; g++) {
for (int b = 0; b < 256; b++) {
*spec++ = cur_color.Red();
*spec++ = g;
*spec++ = b;
}
}
spectrum_image.SetData(ospec);
return rgb_spectrum[0] = new wxBitmap(spectrum_image);
}
wxBitmap *DialogColorPicker::MakeRBSpectrum()
{
delete rgb_spectrum[1];
unsigned char *ospec, *spec;
ospec = spec = (unsigned char *)malloc(256*256*3);
if (!spec) throw std::bad_alloc();
for (int r = 0; r < 256; r++) {
for (int b = 0; b < 256; b++) {
*spec++ = r;
*spec++ = cur_color.Green();
*spec++ = b;
}
}
wxImage spectrum_image(256, 256, ospec);
return rgb_spectrum[1] = new wxBitmap(spectrum_image);
}
wxBitmap *DialogColorPicker::MakeRGSpectrum()
{
delete rgb_spectrum[2];
unsigned char *ospec, *spec;
ospec = spec = (unsigned char *)malloc(256*256*3);
if (!spec) throw std::bad_alloc();
for (int r = 0; r < 256; r++) {
for (int g = 0; g < 256; g++) {
*spec++ = r;
*spec++ = g;
*spec++ = cur_color.Blue();
}
}
wxImage spectrum_image(256, 256, ospec);
return rgb_spectrum[2] = new wxBitmap(spectrum_image);
}
wxBitmap *DialogColorPicker::MakeHSSpectrum()
{
delete hsl_spectrum;
unsigned char *ospec, *spec;
ospec = spec = (unsigned char *)malloc(256*256*3);
if (!spec) throw std::bad_alloc();
int l = hsl_input[2]->GetValue();
for (int h = 0; h < 256; h++) {
unsigned char maxr, maxg, maxb;
hsl_to_rgb(h, 255, l, &maxr, &maxg, &maxb);
for (int s = 0; s < 256; s++) {
*spec++ = maxr * s / 256 + (255-s) * l / 256;
*spec++ = maxg * s / 256 + (255-s) * l / 256;
*spec++ = maxb * s / 256 + (255-s) * l / 256;
}
}
wxImage spectrum_image(256, 256, ospec);
return hsl_spectrum = new wxBitmap(spectrum_image);
}
wxBitmap *DialogColorPicker::MakeSVSpectrum()
{
delete hsv_spectrum;
unsigned char *ospec, *spec;
ospec = spec = (unsigned char *)malloc(256*256*3);
if (!spec) throw std::bad_alloc();
int h = hsv_input[0]->GetValue();
unsigned char maxr, maxg, maxb;
hsv_to_rgb(h, 255, 255, &maxr, &maxg, &maxb);
for (int v = 0; v < 256; v++) {
int rr = (255-maxr) * v / 256;
int rg = (255-maxg) * v / 256;
int rb = (255-maxb) * v / 256;
for (int s = 0; s < 256; s++) {
*spec++ = 255 - rr * s / 256 - (255-v);
*spec++ = 255 - rg * s / 256 - (255-v);
*spec++ = 255 - rb * s / 256 - (255-v);
}
}
wxImage spectrum_image(256, 256, ospec);
return hsv_spectrum = new wxBitmap(spectrum_image);
}
void DialogColorPicker::OnChangeMode(wxCommandEvent &)
{
spectrum_dirty = true;
OPT_SET("Tool/Colour Picker/Mode")->SetInt(colorspace_choice->GetSelection());
UpdateSpectrumDisplay();
}
void DialogColorPicker::OnSpectrumChange(wxCommandEvent &)
{
int i = colorspace_choice->GetSelection();
switch (i) {
case 0:
change_value(rgb_input[2], spectrum->GetX());
change_value(rgb_input[1], spectrum->GetY());
break;
case 1:
change_value(rgb_input[2], spectrum->GetX());
change_value(rgb_input[0], spectrum->GetY());
break;
case 2:
change_value(rgb_input[1], spectrum->GetX());
change_value(rgb_input[0], spectrum->GetY());
break;
case 3:
change_value(hsl_input[1], spectrum->GetX());
change_value(hsl_input[0], spectrum->GetY());
break;
case 4:
change_value(hsv_input[1], spectrum->GetX());
change_value(hsv_input[2], spectrum->GetY());
break;
}
switch (i) {
case 0: case 1: case 2:
UpdateFromRGB(false);
break;
case 3:
UpdateFromHSL(false);
break;
case 4:
UpdateFromHSV(false);
break;
}
}
void DialogColorPicker::OnSliderChange(wxCommandEvent &)
{
spectrum_dirty = true;
int i = colorspace_choice->GetSelection();
switch (i) {
case 0: case 1: case 2:
change_value(rgb_input[i], slider->GetY());
UpdateFromRGB(false);
break;
case 3:
change_value(hsl_input[2], slider->GetY());
UpdateFromHSL(false);
break;
case 4:
change_value(hsv_input[0], slider->GetY());
UpdateFromHSV(false);
break;
}
}
void DialogColorPicker::OnRecentSelect(wxCommandEvent &evt)
{
// The colour picked is stored in the event string
// Allows this event handler to be shared by recent and dropper controls
// Ugly hack?
AssColor color;
color.Parse(evt.GetString());
SetColor(color.GetWXColor());
}
void DialogColorPicker::OnDropperMouse(wxMouseEvent &evt)
{
if (evt.LeftDown() && !screen_dropper_icon->HasCapture()) {
#ifdef WIN32
screen_dropper_icon->SetCursor(wxCursor("eyedropper_cursor"));
#else
screen_dropper_icon->SetCursor(*wxCROSS_CURSOR);
#endif
screen_dropper_icon->SetBitmap(wxNullBitmap);
screen_dropper_icon->CaptureMouse();
eyedropper_grab_point = evt.GetPosition();
eyedropper_is_grabbed = false;
}
if (evt.LeftUp()) {
wxPoint ptdiff = evt.GetPosition() - eyedropper_grab_point;
bool release_now = eyedropper_is_grabbed || abs(ptdiff.x) + abs(ptdiff.y) > 7;
if (release_now) {
screen_dropper_icon->ReleaseMouse();
eyedropper_is_grabbed = false;
screen_dropper_icon->SetCursor(wxNullCursor);
screen_dropper_icon->SetBitmap(eyedropper_bitmap);
} else {
eyedropper_is_grabbed = true;
}
}
if (screen_dropper_icon->HasCapture()) {
wxPoint scrpos = screen_dropper_icon->ClientToScreen(evt.GetPosition());
screen_dropper->DropFromScreenXY(scrpos.x, scrpos.y);
}
}
/// @brief Hack to redirect events to the screen dropper icon
void DialogColorPicker::OnMouse(wxMouseEvent &evt)
{
if (screen_dropper_icon->HasCapture()) {
wxPoint dropper_pos = screen_dropper_icon->ScreenToClient(ClientToScreen(evt.GetPosition()));
evt.m_x = dropper_pos.x;
evt.m_y = dropper_pos.y;
screen_dropper_icon->GetEventHandler()->ProcessEvent(evt);
}
else
evt.Skip();
}
void DialogColorPicker::OnCaptureLost(wxMouseCaptureLostEvent&) {
eyedropper_is_grabbed = false;
screen_dropper_icon->SetCursor(wxNullCursor);
screen_dropper_icon->SetBitmap(eyedropper_bitmap);
}