1 files changed, 151 insertions, 0 deletions
diff --git a/bitmap.cpp b/bitmap.cpp
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index 0000000..f41ca73
--- /dev/null
+++ b/bitmap.cpp
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+/*
+ * Sudoku: A plugin for the Video Disk Recorder
+ *
+ * See the README file for copyright information and how to reach the author.
+ *
+ * $Id: bitmap.cpp 11 2005-10-28 01:00:01Z tom $
+ */
+
+#include "bitmap.h"
+#include <vdr/config.h>
+#include <vdr/osdbase.h>
+#include <vdr/osd.h>
+#include <ctype.h>
+
+// Compatibility to older vdr versions
+#if VDRVERSNUM < 10307
+  #define tColor eDvbColor
+  #define DrawRectangle Fill
+#endif
+
+using namespace SudokuPlugin;
+
+
+//--- class SudokuPlugin::Bitmap -----------------------------------------------
+
+/** Constructor */
+Bitmap::Bitmap(int width, int height) :
+  cBitmap(width, height, 4)
+{
+}
+
+/** Constructor for a bitmap with frame */
+Bitmap::Bitmap(int width, int height, tColor frameColor,
+                                      tColor backgroundColor) :
+  cBitmap(width, height, 4)
+{
+  DrawRectangle(0, 0, width - 1, height - 1, backgroundColor);
+  frame(0, 0, width - 1, height - 1, frameColor);
+}
+
+/** Write a text into the bitmap. */
+void Bitmap::text(const char* text, bool centered)
+{
+  DrawRectangle(0, 0, Width() - 1, Height() - 1, clrWhite);
+  frame(0, 0, Width() - 1, Height() - 1, clrRed);
+
+#if VDRVERSNUM < 10307
+  SetFont(fontOsd);
+  int lineCount;
+  char* wrapper = textWrapper(text, &lineCount);
+  int y = max((Height() - lineCount * cOsd::LineHeight()) / 2, 0);
+  char* line = wrapper;
+  while (*line)
+  {
+    char* newline = strchr(line, '\n');
+    if (newline)
+      *newline = 0;
+    int x = 0;
+    if (centered)
+      x = max((Width() - Width(line)) / 2, 0);
+    Text(x, y, line, clrBlack, clrWhite);
+    if (newline)
+      *newline = '\n';
+    if (!newline)
+      break;
+    line = newline + 1;
+    y += cOsd::LineHeight();
+  }
+  free(wrapper);
+#else
+  const cFont* font = cFont::GetFont(fontOsd);
+  cTextWrapper wrapper(text, font, Width());
+  int y = max((Height() - wrapper.Lines() * font->Height()) / 2, 0);
+  for (int l = 0; l < wrapper.Lines(); ++l, y += font->Height())
+  {
+    int x = 0;
+    if (centered)
+      x = max((Width() - font->Width(wrapper.GetLine(l))) / 2, 0);
+    DrawText(x, y, wrapper.GetLine(l), clrBlack, clrWhite, font);
+  }
+#endif
+}
+
+/** Draw a frame into the bitmap. */
+void Bitmap::frame(int x1, int y1, int x2, int y2, tColor frameColor)
+{
+  DrawRectangle(x1,     y1,     x2,     y1 + 1, frameColor);
+  DrawRectangle(x1,     y1,     x1 + 1, y2,     frameColor);
+  DrawRectangle(x1,     y2 - 1, x2,     y2,     frameColor);
+  DrawRectangle(x2 - 1, y1,     x2,     y2,     frameColor);
+}
+
+#if VDRVERSNUM < 10307
+/** Wrap the text to fit into the bitmap (taken from font.c / VDR 1.3.7). */
+char *Bitmap::textWrapper(const char *Text, int *p_lines)
+{
+  char *text = strdup(Text);
+  int lines = 1;
+
+  char *Blank = NULL;
+  char *Delim = NULL;
+  int w = 0;
+
+  stripspace(text); // strips trailing newlines
+
+  for (char *p = text; *p; ) {
+      if (*p == '\n') {
+         lines++;
+         w = 0;
+         Blank = Delim = NULL;
+         p++;
+         continue;
+         }
+      else if (isspace(*p))
+         Blank = p;
+      int cw = Width(*p);
+      if (w + cw > Width()) {
+         if (Blank) {
+            *Blank = '\n';
+            p = Blank;
+            continue;
+            }
+         else {
+            // Here's the ugly part, where we don't have any whitespace to
+            // punch in a newline, so we need to make room for it:
+            if (Delim)
+               p = Delim + 1; // let's fall back to the most recent delimiter
+            char *s = MALLOC(char, strlen(text) + 2); // The additional '\n' plus the terminating '\0'
+            int l = p - text;
+            strncpy(s, text, l);
+            s[l] = '\n';
+            strcpy(s + l + 1, p);
+            free(text);
+            text = s;
+            p = text + l;
+            continue;
+            }
+         }
+      else
+         w += cw;
+      if (strchr("-.,:;!?_", *p)) {
+         Delim = p;
+         Blank = NULL;
+         }
+      p++;
+      }
+  if (p_lines != NULL)
+      *p_lines = lines;
+  return text;
+}
+#endif