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The-Powder-Toy/src/gui/colourpicker/ColourPickerActivity.cpp
2013-03-22 14:26:24 +00:00

310 lines
8.3 KiB
C++

#include <algorithm>
#include <iomanip>
#include "ColourPickerActivity.h"
#include "gui/interface/Textbox.h"
#include "gui/interface/Label.h"
#include "gui/interface/Keys.h"
#include "gui/game/Tool.h"
#include "gui/Style.h"
#include "Format.h"
#include "gui/game/GameModel.h"
ColourPickerActivity::ColourPickerActivity(ui::Colour initialColour, ColourPickedCallback * callback) :
WindowActivity(ui::Point(-1, -1), ui::Point(266, 175)),
currentHue(0),
currentSaturation(0),
currentValue(0),
mouseDown(false),
valueMouseDown(false),
callback(callback)
{
class ColourChange : public ui::TextboxAction
{
ColourPickerActivity * a;
public:
ColourChange(ColourPickerActivity * a) : a(a) {}
void TextChangedCallback(ui::Textbox * sender)
{
int r, g, b, alpha;
r = format::StringToNumber<int>(a->rValue->GetText());
g = format::StringToNumber<int>(a->gValue->GetText());
b = format::StringToNumber<int>(a->bValue->GetText());
alpha = format::StringToNumber<int>(a->aValue->GetText());
if (r > 255)
r = 255;
if (g > 255)
g = 255;
if (b > 255)
b = 255;
if (alpha > 255)
alpha = 255;
RGB_to_HSV(r, g, b, &a->currentHue, &a->currentSaturation, &a->currentValue);
a->currentAlpha = alpha;
a->UpdateTextboxes(r, g, b, alpha);
}
};
rValue = new ui::Textbox(ui::Point(5, Size.Y-23), ui::Point(30, 17), "255");
rValue->SetActionCallback(new ColourChange(this));
rValue->SetLimit(3);
rValue->SetInputType(ui::Textbox::Number);
AddComponent(rValue);
gValue = new ui::Textbox(ui::Point(40, Size.Y-23), ui::Point(30, 17), "255");
gValue->SetActionCallback(new ColourChange(this));
gValue->SetLimit(3);
gValue->SetInputType(ui::Textbox::Number);
AddComponent(gValue);
bValue = new ui::Textbox(ui::Point(75, Size.Y-23), ui::Point(30, 17), "255");
bValue->SetActionCallback(new ColourChange(this));
bValue->SetLimit(3);
bValue->SetInputType(ui::Textbox::Number);
AddComponent(bValue);
aValue = new ui::Textbox(ui::Point(110, Size.Y-23), ui::Point(30, 17), "255");
aValue->SetActionCallback(new ColourChange(this));
aValue->SetLimit(3);
aValue->SetInputType(ui::Textbox::Number);
AddComponent(aValue);
hexValue = new::ui::Label(ui::Point(150, Size.Y-23), ui::Point(53, 17), "0xFFFFFFFF");
AddComponent(hexValue);
class OkayAction: public ui::ButtonAction
{
ColourPickerActivity * a;
public:
OkayAction(ColourPickerActivity * a) : a(a) { }
void ActionCallback(ui::Button * sender)
{
int Red, Green, Blue;
Red = format::StringToNumber<int>(a->rValue->GetText());
Green = format::StringToNumber<int>(a->gValue->GetText());
Blue = format::StringToNumber<int>(a->bValue->GetText());
ui::Colour col(Red, Green, Blue, a->currentAlpha);
if(a->callback)
a->callback->ColourPicked(col);
a->Exit();
}
};
ui::Button * doneButton = new ui::Button(ui::Point(Size.X-45, Size.Y-23), ui::Point(40, 17), "Done");
doneButton->SetActionCallback(new OkayAction(this));
AddComponent(doneButton);
SetOkayButton(doneButton);
RGB_to_HSV(initialColour.Red, initialColour.Green, initialColour.Blue, &currentHue, &currentSaturation, &currentValue);
currentAlpha = initialColour.Alpha;
UpdateTextboxes(initialColour.Red, initialColour.Green, initialColour.Blue, initialColour.Alpha);
}
void ColourPickerActivity::UpdateTextboxes(int r, int g, int b, int a)
{
rValue->SetText(format::NumberToString<int>(r));
gValue->SetText(format::NumberToString<int>(g));
bValue->SetText(format::NumberToString<int>(b));
aValue->SetText(format::NumberToString<int>(a));
std::stringstream hex;
hex << std::hex << "0x" << std::setfill('0') << std::setw(2) << std::uppercase << a << std::setw(2) << r << std::setw(2) << g << std::setw(2) << b;
hexValue->SetText(hex.str());
}
void ColourPickerActivity::OnTryExit(ExitMethod method)
{
Exit();
}
void ColourPickerActivity::OnMouseMove(int x, int y, int dx, int dy)
{
if(mouseDown)
{
x -= Position.X+5;
y -= Position.Y+5;
currentHue = (float(x)/float(255))*359.0f;
currentSaturation = 255-(y*2);
if(currentSaturation > 255)
currentSaturation = 255;
if(currentSaturation < 0)
currentSaturation = 0;
if(currentHue > 359)
currentHue = 359;
if(currentHue < 0)
currentHue = 0;
}
if(valueMouseDown)
{
x -= Position.X+5;
y -= Position.Y+5;
currentValue = x;
if(currentValue > 255)
currentValue = 255;
if(currentValue < 0)
currentValue = 0;
}
if(mouseDown || valueMouseDown)
{
int cr, cg, cb;
HSV_to_RGB(currentHue, currentSaturation, currentValue, &cr, &cg, &cb);
UpdateTextboxes(cr, cg, cb, currentAlpha);
}
}
void ColourPickerActivity::OnMouseDown(int x, int y, unsigned button)
{
x -= Position.X+5;
y -= Position.Y+5;
if(x >= 0 && x < 256 && y >= 0 && y <= 128)
{
mouseDown = true;
currentHue = (float(x)/float(255))*359.0f;
currentSaturation = 255-(y*2);
if(currentSaturation > 255)
currentSaturation = 255;
if(currentSaturation < 0)
currentSaturation = 0;
if(currentHue > 359)
currentHue = 359;
if(currentHue < 0)
currentHue = 0;
}
if(x >= 0 && x < 256 && y >= 132 && y <= 142)
{
valueMouseDown = true;
currentValue = x;
if(currentValue > 255)
currentValue = 255;
if(currentValue < 0)
currentValue = 0;
}
if(mouseDown || valueMouseDown)
{
int cr, cg, cb;
HSV_to_RGB(currentHue, currentSaturation, currentValue, &cr, &cg, &cb);
UpdateTextboxes(cr, cg, cb, currentAlpha);
}
}
void ColourPickerActivity::OnMouseUp(int x, int y, unsigned button)
{
if(mouseDown || valueMouseDown)
{
int cr, cg, cb;
HSV_to_RGB(currentHue, currentSaturation, currentValue, &cr, &cg, &cb);
UpdateTextboxes(cr, cg, cb, currentAlpha);
}
if(mouseDown)
{
mouseDown = false;
x -= Position.X+5;
y -= Position.Y+5;
currentHue = (float(x)/float(255))*359.0f;
currentSaturation = 255-(y*2);
if(currentSaturation > 255)
currentSaturation = 255;
if(currentSaturation < 0)
currentSaturation = 0;
if(currentHue > 359)
currentHue = 359;
if(currentHue < 0)
currentHue = 0;
}
if(valueMouseDown)
{
valueMouseDown = false;
x -= Position.X+5;
y -= Position.Y+5;
currentValue = x;
if(currentValue > 255)
currentValue = 255;
if(currentValue < 0)
currentValue = 0;
}
}
void ColourPickerActivity::OnDraw()
{
Graphics * g = ui::Engine::Ref().g;
//g->clearrect(Position.X-2, Position.Y-2, Size.X+3, Size.Y+3);
g->fillrect(Position.X-2, Position.Y-2, Size.X+3, Size.Y+3, 0, 0, 0, currentAlpha);
g->drawrect(Position.X, Position.Y, Size.X, Size.Y, 255, 255, 255, 255);
g->drawrect(Position.X+4, Position.Y+4, 258, 130, 180, 180, 180, 255);
g->drawrect(Position.X+4, Position.Y+4+4+128, 258, 12, 180, 180, 180, 255);
int offsetX = Position.X+5;
int offsetY = Position.Y+5;
//draw color square
int lastx = -1, currx = 0;
for(int saturation = 0; saturation <= 255; saturation+=2)
{
for(int hue = 0; hue <= 359; hue++)
{
currx = clamp_flt(hue, 0, 359)+offsetX;
if (currx == lastx)
continue;
lastx = currx;
int cr = 0;
int cg = 0;
int cb = 0;
HSV_to_RGB(hue, 255-saturation, currentValue, &cr, &cg, &cb);
g->blendpixel(currx, (saturation/2)+offsetY, cr, cg, cb, currentAlpha);
}
}
//draw brightness bar
for(int value = 0; value <= 255; value++)
for(int i = 0; i < 10; i++)
{
int cr = 0;
int cg = 0;
int cb = 0;
HSV_to_RGB(currentHue, currentSaturation, value, &cr, &cg, &cb);
g->blendpixel(value+offsetX, i+offsetY+127+5, cr, cg, cb, currentAlpha);
}
//draw color square pointer
int currentHueX = clamp_flt(currentHue, 0, 359);
int currentSaturationY = ((255-currentSaturation)/2);
g->xor_line(offsetX+currentHueX, offsetY+currentSaturationY-5, offsetX+currentHueX, offsetY+currentSaturationY-1);
g->xor_line(offsetX+currentHueX, offsetY+currentSaturationY+1, offsetX+currentHueX, offsetY+currentSaturationY+5);
g->xor_line(offsetX+currentHueX-5, offsetY+currentSaturationY, offsetX+currentHueX-1, offsetY+currentSaturationY);
g->xor_line(offsetX+currentHueX+1, offsetY+currentSaturationY, offsetX+currentHueX+5, offsetY+currentSaturationY);
//draw brightness bar pointer
int currentValueX = restrict_flt(currentValue, 0, 254);
g->xor_line(offsetX+currentValueX, offsetY+4+128, offsetX+currentValueX, offsetY+13+128);
g->xor_line(offsetX+currentValueX+1, offsetY+4+128, offsetX+currentValueX+1, offsetY+13+128);
}
ColourPickerActivity::~ColourPickerActivity() {
if(callback)
delete callback;
}