Version 0.0.5

1 files changed, 122 insertions, 0 deletions

diff --git a/textwindow.c b/textwindow.c
new file mode 100644
index 0000000..72f3c1b
--- /dev/null
+++ b/textwindow.c
@@ -0,0 +1,122 @@
+#include "textwindow.h"
+
+cNopacityTextWindow::cNopacityTextWindow(cOsd *osd, cFont *font) {
+    this->osd = osd;
+    this->font = font;
+    pixmap = NULL;
+}
+
+cNopacityTextWindow::~cNopacityTextWindow(void) {
+    Cancel(-1);
+    while (Active())
+        cCondWait::SleepMs(10);
+    if (pixmap) {
+        osd->DestroyPixmap(pixmap);
+        pixmap = NULL;
+    }
+}
+
+bool cNopacityTextWindow::CreatePixmap(int border) {
+    int lineHeight = font->Height();
+    bool scrolling = false;
+    twText.Set(text, font, geometry->Width() - 2*border);
+    int pixmapTotalHeight = lineHeight * (twText.Lines()+1);
+    int drawportHeight = geometry->Height();
+    if (pixmapTotalHeight > drawportHeight) {
+        drawportHeight = pixmapTotalHeight;
+        scrolling = true;
+    }
+    cPixmap::Lock();
+    pixmap = osd->CreatePixmap(4, cRect(geometry->X(), geometry->Y(), geometry->Width(), geometry->Height()),
+                                  cRect(0, 0, geometry->Width(), drawportHeight));
+    pixmap->SetAlpha(0);
+    pixmap->Fill(Theme.Color(clrMenuBorder));
+    pixmap->DrawRectangle(cRect(1, 1, geometry->Width()-2, drawportHeight-2), Theme.Color(clrMenuBack));
+    cPixmap::Unlock();
+    return scrolling;
+}
+
+void cNopacityTextWindow::DrawText(int border) {
+    int lineHeight = font->Height();
+    int currentLineHeight = lineHeight/2;
+    cPixmap::Lock();
+    for (int i=0; (i < twText.Lines()) && Running(); i++) {
+        pixmap->DrawText(cPoint(border, currentLineHeight), twText.GetLine(i), Theme.Color(clrMenuFontButton), clrTransparent, font);
+        currentLineHeight += lineHeight;
+    }
+    cPixmap::Unlock();        
+}
+
+void cNopacityTextWindow::DoSleep(int duration) {
+    int sleepSlice = 10;
+    for (int i = 0; Running() && (i*sleepSlice < duration); i++)
+        cCondWait::SleepMs(sleepSlice);
+}
+   
+void cNopacityTextWindow::Action(void) {
+    DoSleep(config.menuInfoTextDelay*1000);
+   
+    int border = 5;
+    bool scrolling = false;
+    if (Running()) {
+        scrolling = CreatePixmap(border);
+    }
+    if (Running()) {
+        DrawText(border);
+    }
+    //FadeIn
+    if (config.menuEPGWindowFadeTime) {
+        uint64_t Start = cTimeMs::Now();
+        int FadeTime = config.menuEPGWindowFadeTime;
+        int FadeFrameTime = config.menuEPGWindowFrameTime;
+        while (Running()) {
+            uint64_t Now = cTimeMs::Now();
+            cPixmap::Lock();
+            double t = min(double(Now - Start) / FadeTime, 1.0);
+            int Alpha = t * ALPHA_OPAQUE;
+            pixmap->SetAlpha(Alpha);
+            if (Running())
+                osd->Flush();
+            cPixmap::Unlock();
+            int Delta = cTimeMs::Now() - Now;
+            if (Running() && (Delta < FadeFrameTime))
+                cCondWait::SleepMs(FadeFrameTime - Delta);
+            if ((int)(Now - Start) > FadeTime)
+                break;
+        }
+    }
+    
+    if (scrolling && Running()) {
+        int scrollDelay = config.menuInfoScrollDelay * 1000;
+        DoSleep(scrollDelay);
+        int drawPortY;
+        int FrameTime = config.menuInfoScrollFrameTime;
+        int maxY = pixmap->DrawPort().Height() - pixmap->ViewPort().Height();
+        bool doSleep = false;
+        while (Running()) {
+            uint64_t Now = cTimeMs::Now();
+            cPixmap::Lock();
+            drawPortY = pixmap->DrawPort().Y();
+            drawPortY -= 1;
+            cPixmap::Unlock();
+            if (abs(drawPortY) > maxY) {
+                doSleep = true;
+                DoSleep(scrollDelay);
+                drawPortY = 0;
+            }
+            cPixmap::Lock();
+            if (Running())
+                pixmap->SetDrawPortPoint(cPoint(0, drawPortY));
+            cPixmap::Unlock();
+            if (doSleep) {
+                doSleep = false;
+                DoSleep(scrollDelay);
+            }
+            int Delta = cTimeMs::Now() - Now;
+            if (Running())
+                osd->Flush();
+            if (Running() && (Delta < FrameTime))
+                cCondWait::SleepMs(FrameTime - Delta);
+        }
+    }
+}
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