vdr-plugin-tvguide/styledpixmap.c

#include "styledpixmap.h"

cStyledPixmap::cStyledPixmap(void) {
	pixmap = NULL;
	caller = NULL;
}

cStyledPixmap::cStyledPixmap(cPixmap *pixmap, cString caller) {
	this->pixmap = pixmap;
	this->caller = caller;
}

cStyledPixmap::~cStyledPixmap(void) {
	if (pixmap)
		osdManager.releasePixmap(pixmap, *caller);
}

void cStyledPixmap::setPixmap(cPixmap *pixmap) {
	if (pixmap) {
		this->pixmap = pixmap;
	}
}

void cStyledPixmap::drawBackground() {
    if (tvguideConfig.useBlending == 1){
		drawBlendedBackground();
	} else if (tvguideConfig.useBlending == 2){
		drawSparsedBackground();
	} else {
        pixmap->Fill(color);
    }
}

void cStyledPixmap::drawBlendedBackground() {
	int width = pixmap->ViewPort().Width();
	int height = pixmap->ViewPort().Height();
	pixmap->Fill(color);
	int numSteps = 64;
	int alphaStep = 0x04;
	if (height < 30)
		return;
	else if (height < 100) {
		numSteps = 32;
		alphaStep = 0x08;
	}
	int stepY = 0.5*height / numSteps;
	if (stepY == 0) stepY = 1;
	int alpha = 0x00;
	tColor clr;
	for (int i = 0; i<numSteps; i++) {
		clr = AlphaBlend(color, colorBlending, alpha);
		pixmap->DrawRectangle(cRect(0,i*stepY,width,stepY), clr);
		alpha += alphaStep;
	}
}

void cStyledPixmap::drawSparsedBackground() {
	int width = pixmap->ViewPort().Width();
	int height = pixmap->ViewPort().Height();
    cImageLoader imgLoader;
    if (imgLoader.DrawBackground(colorBlending, color, width, height))
        pixmap->DrawImage(cPoint(0,0), imgLoader.GetImage());

}

void cStyledPixmap::drawBorder() {
	int width = pixmap->ViewPort().Width();
	int height = pixmap->ViewPort().Height();
	
	drawDefaultBorder(width, height);
	if (tvguideConfig.roundedCorners) {
		int borderRadius = 12;
		drawRoundedCorners(width, height, borderRadius);
	}
}

void cStyledPixmap::drawDefaultBorder(int width, int height) {
	pixmap->DrawRectangle(cRect(0,0,width,2), theme.Color(clrBackground));			//top
	pixmap->DrawRectangle(cRect(0,0,2,height), theme.Color(clrBackground));			//left
	pixmap->DrawRectangle(cRect(0,height-2,width,2), theme.Color(clrBackground));	//bottom
	pixmap->DrawRectangle(cRect(width-2,0,2,height), theme.Color(clrBackground));	//right
	
	pixmap->DrawRectangle(cRect(2,2,width-4,1), theme.Color(clrBorder));			//top
	pixmap->DrawRectangle(cRect(2,2,1,height-4), theme.Color(clrBorder));			//left
	pixmap->DrawRectangle(cRect(2,height-3,width-4,1), theme.Color(clrBorder));		//bottom
	pixmap->DrawRectangle(cRect(width-3,2,1,height-4), theme.Color(clrBorder));		//right
}

void cStyledPixmap::drawBoldBorder() {
	int width = pixmap->ViewPort().Width();
	int height = pixmap->ViewPort().Height();
	pixmap->DrawRectangle(cRect(0,0,width,2), theme.Color(clrBorder));			//top
	pixmap->DrawRectangle(cRect(0,0,2,height), theme.Color(clrBorder));			//left
	pixmap->DrawRectangle(cRect(0,height-2,width,2), theme.Color(clrBorder));	//bottom
	pixmap->DrawRectangle(cRect(width-2,0,2,height), theme.Color(clrBorder));	//right
}

void cStyledPixmap::drawRoundedCorners(int width, int height, int radius) {
	pixmap->DrawEllipse(cRect(2,2,radius,radius), theme.Color(clrBorder), -2);
	pixmap->DrawEllipse(cRect(1,1,radius,radius), theme.Color(clrBackground), -2);

	pixmap->DrawEllipse(cRect(width-radius - 2,2,radius,radius), theme.Color(clrBorder), -1);
	pixmap->DrawEllipse(cRect(width-radius - 1,1,radius,radius), theme.Color(clrBackground), -1);
	
	if( height > 2*radius) {
		pixmap->DrawEllipse(cRect(2,height-radius - 2,radius,radius), theme.Color(clrBorder), -3);
		pixmap->DrawEllipse(cRect(1,height-radius - 1,radius,radius), theme.Color(clrBackground), -3);
		
		pixmap->DrawEllipse(cRect(width-radius - 2,height-radius - 2,radius,radius), theme.Color(clrBorder), -4);
		pixmap->DrawEllipse(cRect(width-radius - 1,height-radius - 1,radius,radius), theme.Color(clrBackground), -4);
	}
}

void cStyledPixmap::drawVerticalLine(int x, int yStart, int yStop, tColor col) {
	for (int y = yStart; y <= yStop; y++) {
		pixmap->DrawPixel(cPoint(x,y), col);
	}
}

void cStyledPixmap::drawHorizontalLine(int y, int xStart, int xStop, tColor col) {
	for (int x = xStart; x <= xStop; x++) {
		pixmap->DrawPixel(cPoint(x,y), col);
	}
}

void cStyledPixmap::DrawText(const cPoint &Point, const char *s, tColor ColorFg, tColor ColorBg, const cFont *Font) {
	pixmap->DrawText(Point, s, ColorFg, ColorBg, Font);
}

void cStyledPixmap::DrawImage(const cPoint &Point, const cImage &Image) {
	pixmap->DrawImage(Point, Image);
}

void cStyledPixmap::DrawRectangle(const cRect &Rect, tColor Color) {
	pixmap->DrawRectangle(Rect,Color);
}