guiapplabel.cpp

老外为HGE写的扩展GUI

#include "guiapplabel.h"

GUIAppLabel::GUIAppLabel(int _id, float x, float y, hgeFont *fnt, char* text, DWORD color, int align) : GUIAppObject () {
	bStatic=true;
	bVisible=true;
	bEnabled=true;
	id = _id;

	m_Font = fnt;
	m_Pos.x = x;
	m_Pos.y = y;
	m_Color = color;
	
	m_Align = align;

	SetText(text);
}

void GUIAppLabel::SetVisible(bool yesno) {
	bVisible = yesno;
}

void GUIAppLabel::SetText(int v) {
	char str[16];
	itoa(v, str, 10);
	SetText(str);
}

void GUIAppLabel::SetText(char* text) { 
	m_Text = text;
	char *tmp = m_Text.c_str();

	char* p = strchr(tmp, '\n');
	int lines = 1;

	float w = m_Font->GetStringWidth(tmp);

	while (p++)					// skip '\n' character
	{
		float tw = m_Font->GetStringWidth(p);
		if (tw > w)	w = tw;

		p = strchr(p, '\n');
		lines++;
	}

	float h = m_Font->GetHeight() * m_Font->GetScale() * lines;

	switch (m_Align)
	{
	case HGETEXT_LEFT:
		rect.Set(m_Pos.x, m_Pos.y, m_Pos.x + w, m_Pos.y + h);
		break;

	case HGETEXT_CENTER:
		rect.Set(m_Pos.x - w/2, m_Pos.y, m_Pos.x + w/2, m_Pos.y + h);
		break;

	case HGETEXT_RIGHT:
		rect.Set(m_Pos.x - w, m_Pos.y, m_Pos.x, m_Pos.y + h);
		break;
	}
}

void GUIAppLabel::SetAlign(int align) { 
	m_Align = align; 

	float w = rect.x2 - rect.x1;
	float h = rect.y2 - rect.y1;

	switch (m_Align)
	{
	case HGETEXT_LEFT:
		rect.Set(m_Pos.x, m_Pos.y, m_Pos.x + w, m_Pos.y + h);
		break;

	case HGETEXT_CENTER:
		rect.Set(m_Pos.x - w/2, m_Pos.y, m_Pos.x + w/2, m_Pos.y + h);
		break;

	case HGETEXT_RIGHT:
		rect.Set(m_Pos.x - w, m_Pos.y, m_Pos.x, m_Pos.y + h);
		break;
	}
}

void GUIAppLabel::SetColor(DWORD col) {
	m_Color = col;
}

void GUIAppLabel::Render() {
	m_Font->SetColor(m_Color);
	m_Font->Render(m_Pos.x, m_Pos.y, m_Text.c_str(), m_Align);
}

void GUIAppLabel::Move( float dx, float dy) {
	m_Pos.x = m_Pos.x - dx;
	m_Pos.y = m_Pos.y - dy;

	float w = rect.x2 - rect.x1;
	float h = rect.y2 - rect.y1;
	
	switch (m_Align)
	{
	case HGETEXT_LEFT:
		rect.Set(m_Pos.x, m_Pos.y, m_Pos.x + w, m_Pos.y + h);
		break;
		
	case HGETEXT_CENTER:
		rect.Set(m_Pos.x - w/2, m_Pos.y, m_Pos.x + w/2, m_Pos.y + h);
		break;
		
	case HGETEXT_RIGHT:
		rect.Set(m_Pos.x - w, m_Pos.y, m_Pos.x, m_Pos.y + h);
		break;
	}
}