vdr-plugin-tvguide/detailview.c

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7.8 KiB
C
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#include "detailview.h"
cDetailView::cDetailView(cGrid *grid) {
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this->grid = grid;
this->event = grid->GetEvent();
imgScrollBar = NULL;
FrameTime = 40; // ms
FadeTime = 500; // ms
borderWidth = 100; //px
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headerHeight = max (40 + 3 * tvguideConfig.FontDetailHeader->Height(), // border + 3 Lines
40 + tvguideConfig.epgImageHeight);
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description.Set(event->Description(), tvguideConfig.FontDetailView, tvguideConfig.osdWidth-2*borderWidth - 50 - 40);
contentScrollable = setContentDrawportHeight();
createPixmaps();
}
cDetailView::~cDetailView(void){
delete header;
osdManager.releasePixmap(headerLogo);
osdManager.releasePixmap(headerBack);
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osdManager.releasePixmap(content);
osdManager.releasePixmap(scrollBar);
osdManager.releasePixmap(footer);
delete imgScrollBar;
}
bool cDetailView::setContentDrawportHeight() {
int linesContent = description.Lines() + 1;
heightContent = linesContent * tvguideConfig.FontDetailView->Height();
if (heightContent > (tvguideConfig.osdHeight - 2 * borderWidth - headerHeight))
return true;
else
return false;
}
void cDetailView::createPixmaps() {
int scrollBarWidth = 50;
header = new cStyledPixmap(osdManager.requestPixmap(5, cRect(borderWidth, borderWidth, tvguideConfig.osdWidth - 2*borderWidth, headerHeight), cRect::Null));
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header->SetAlpha(0);
headerLogo = osdManager.requestPixmap(6, cRect(borderWidth, borderWidth, tvguideConfig.osdWidth - 2*borderWidth, headerHeight), cRect::Null);
headerLogo->Fill(clrTransparent);
headerLogo->SetAlpha(0);
headerBack = osdManager.requestPixmap(4, cRect(borderWidth, borderWidth, tvguideConfig.osdWidth - 2*borderWidth, headerHeight), cRect::Null);
headerBack->SetAlpha(0);
headerBack->Fill(clrBlack);
header->setColor(theme.Color(clrHeader), theme.Color(clrHeaderBlending));
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content = osdManager.requestPixmap(5, cRect(borderWidth, borderWidth + headerHeight, tvguideConfig.osdWidth - 2*borderWidth - scrollBarWidth, tvguideConfig.osdHeight-2*borderWidth-headerHeight),
cRect(0,0, tvguideConfig.osdWidth - 2*borderWidth - scrollBarWidth, max(heightContent, tvguideConfig.osdHeight-2*borderWidth-headerHeight)));
content->SetAlpha(0);
header->setColor(theme.Color(clrHeader), theme.Color(clrHeaderBlending));
scrollBar = osdManager.requestPixmap(5, cRect(tvguideConfig.osdWidth-borderWidth-scrollBarWidth, borderWidth + headerHeight, scrollBarWidth, tvguideConfig.osdHeight-2*borderWidth-headerHeight));
scrollBar->SetAlpha(0);
footer = osdManager.requestPixmap(5, cRect(borderWidth, borderWidth + headerHeight + content->ViewPort().Height(), tvguideConfig.osdWidth - 2*borderWidth, 3));
footer->SetAlpha(0);
footer->Fill(theme.Color(clrBorder));
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}
void cDetailView::drawHeader() {
header->drawBackground();
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header->drawBoldBorder();
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int logoHeight = header->Height() / 2;
int logoWidth = logoHeight * tvguideConfig.logoWidthRatio / tvguideConfig.logoHeightRatio;
int lineHeight = tvguideConfig.FontDetailHeader->Height();
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cImageLoader imgLoader;
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bool logoDrawn = false;
if (!tvguideConfig.hideChannelLogos) {
if (imgLoader.LoadLogo(grid->column->getChannel()->Name(), logoWidth, logoHeight)) {
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cImage logo = imgLoader.GetImage();
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headerLogo->DrawImage(cPoint(10, (header->Height() - logoHeight)/2), logo);
logoDrawn = true;
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}
}
if (!tvguideConfig.hideEpgImages) {
if (imgLoader.LoadEPGImage(event->EventID())) {
cImage epgImage = imgLoader.GetImage();
int epgImageX = header->Width() - 30 - tvguideConfig.epgImageWidth;
int epgImageY = (header->Height() - 10 - tvguideConfig.epgImageHeight) / 2;
header->DrawRectangle(cRect(epgImageX-2, epgImageY-2, tvguideConfig.epgImageWidth + 4, tvguideConfig.epgImageHeight + 4), theme.Color(clrBorder));
header->DrawImage(cPoint(epgImageX, epgImageY), epgImage);
}
}
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int textX = logoDrawn?(20 + logoWidth):20;
int textY = (header->Height() - 2*lineHeight)/2;
header->DrawText(cPoint(textX, textY), event->Title(), theme.Color(clrFont), clrTransparent, tvguideConfig.FontDetailHeader);
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cString datetime = cString::sprintf("%s, %s - %s (%d min)", *event->GetDateString(), *event->GetTimeString(), *event->GetEndTimeString(), event->Duration()/60);
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header->DrawText(cPoint(textX, textY + lineHeight), *datetime, theme.Color(clrFont), clrTransparent, tvguideConfig.FontDetailView);
header->DrawText(cPoint(textX, textY + 2 * lineHeight), event->ShortText(), theme.Color(clrFont), clrTransparent, tvguideConfig.FontDetailView);
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}
void cDetailView::drawContent() {
content->Fill(theme.Color(clrBorder));
content->DrawRectangle(cRect(2, 0, content->ViewPort().Width() - 2, content->DrawPort().Height()), theme.Color(clrBackground));
int textHeight = tvguideConfig.FontDetailView->Height();
int textLines = description.Lines();
for (int i=0; i<textLines; i++) {
content->DrawText(cPoint(20, 20 + i*textHeight), description.GetLine(i), theme.Color(clrFont), clrTransparent, tvguideConfig.FontDetailView);
}
}
void cDetailView::drawScrollbar() {
scrollBar->Fill(theme.Color(clrBorder));
double scrollBarOffset = 0.0;
if (contentScrollable) {
heightScrollbar = ( (double)scrollBar->ViewPort().Height() ) / (double)heightContent * ( (double)scrollBar->ViewPort().Height() );
scrollBarOffset = (-1.0)*(double)content->DrawPort().Point().Y() / (double)(content->DrawPort().Height() - (tvguideConfig.osdHeight-2*borderWidth-headerHeight));
scrollBarOffset *= ( (double)scrollBar->ViewPort().Height()-7.0 - heightScrollbar);
scrollBarOffset++;
} else {
heightScrollbar = scrollBar->ViewPort().Height();
}
scrollBar->DrawRectangle(cRect(3,0,scrollBar->ViewPort().Width()-6, scrollBar->ViewPort().Height()), theme.Color(clrBackground));
if (imgScrollBar == NULL) {
imgScrollBar = createScrollbar(scrollBar->ViewPort().Width()-10, heightScrollbar, theme.Color(clrHighlight), theme.Color(clrHighlightBlending));
}
scrollBar->DrawImage(cPoint(5, 2 + scrollBarOffset), *imgScrollBar);
}
void cDetailView::scrollUp() {
if (contentScrollable) {
int newDrawportHeight = content->DrawPort().Point().Y() + tvguideConfig.FontDetailView->Height();
content->SetDrawPortPoint(cPoint(0, min(newDrawportHeight,0)));
drawScrollbar();
}
}
void cDetailView::scrollDown() {
if (contentScrollable) {
int newDrawportHeight = content->DrawPort().Point().Y() - tvguideConfig.FontDetailView->Height();
int maxDrawportHeight = (content->DrawPort().Height() - (tvguideConfig.osdHeight-2*borderWidth-headerHeight));
content->SetDrawPortPoint(cPoint(0, max(newDrawportHeight,(-1)*maxDrawportHeight)));
drawScrollbar();
}
}
cImage *cDetailView::createScrollbar(int width, int height, tColor clrBgr, tColor clrBlend) {
cImage *image = new cImage(cSize(width, height));
image->Fill(clrBgr);
if (tvguideConfig.useBlending) {
int numSteps = 64;
int alphaStep = 0x03;
if (height < 30)
return image;
else if (height < 100) {
numSteps = 32;
alphaStep = 0x06;
}
int stepY = 0.5*height / numSteps;
if (stepY == 0)
stepY = 1;
int alpha = 0x40;
tColor clr;
for (int i = 0; i<numSteps; i++) {
clr = AlphaBlend(clrBgr, clrBlend, alpha);
for (int y = i*stepY; y < (i+1)*stepY; y++) {
for (int x=0; x<width; x++) {
image->SetPixel(cPoint(x,y), clr);
}
}
alpha += alphaStep;
}
}
return image;
}
void cDetailView::Action(void) {
drawHeader();
drawContent();
drawScrollbar();
uint64_t Start = cTimeMs::Now();
while (true) {
uint64_t Now = cTimeMs::Now();
cPixmap::Lock();
double t = min(double(Now - Start) / FadeTime, 1.0);
int Alpha = t * ALPHA_OPAQUE;
header->SetAlpha(Alpha);
headerBack->SetAlpha(Alpha);
headerLogo->SetAlpha(Alpha);
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content->SetAlpha(Alpha);
scrollBar->SetAlpha(Alpha);
footer->SetAlpha(Alpha);
osdManager.flush();
cPixmap::Unlock();
int Delta = cTimeMs::Now() - Now;
if (Delta < FrameTime)
cCondWait::SleepMs(FrameTime - Delta);
if ((Now - Start) > FadeTime)
break;
}
}