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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
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