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Implemented cFont::CreateFont()

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This commit is contained in:
Klaus Schmidinger
2007-06-17 12:15:24 +02:00
parent 5fec367e60
commit d2b11bf712
3 changed files with 26 additions and 13 deletions
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2
HISTORY
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@@ -5246,3 +5246,5 @@ Video Disk Recorder Revision History
for code and hints on how to do this).
- If no fonts are installed, VDR now uses a dummy font that doesn't actually draw
any text, and logs an error message.
- The new function cFont::CreateFont() can be used by plugins to create and use
fonts of their own, independent of VDR's standard fonts.

24
font.c
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@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: font.c 1.18 2007/06/17 11:54:10 kls Exp $
* $Id: font.c 1.19 2007/06/17 12:13:49 kls Exp $
*/
#include "font.h"
@@ -309,15 +309,11 @@ cFont *cFont::fonts[eDvbFontSize] = { NULL };
void cFont::SetFont(eDvbFont Font, const char *Name, int CharHeight)
{
cString fn = GetFontFileName(Name);
if (*fn) {
delete fonts[Font];
fonts[Font] = new cFreetypeFont(fn, CharHeight);
}
if (!fonts[Font] || !fonts[Font]->Height()) {
delete fonts[Font];
fonts[Font] = new cDummyFont;
}
cFont *f = CreateFont(Name, CharHeight);
if (!f || !f->Height())
f = new cDummyFont;
delete fonts[Font];
fonts[Font] = f;
}
const cFont *cFont::GetFont(eDvbFont Font)
@@ -336,6 +332,14 @@ const cFont *cFont::GetFont(eDvbFont Font)
return fonts[Font];
}
cFont *cFont::CreateFont(const char *Name, int CharHeight)
{
cString fn = GetFontFileName(Name);
if (*fn)
return new cFreetypeFont(fn, CharHeight);
return NULL;
}
bool cFont::GetAvailableFontNames(cStringList *FontNames, bool Monospaced)
{
if (!FontNames->Size()) {

13
font.h
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@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: font.h 1.18 2007/06/17 11:53:55 kls Exp $
* $Id: font.h 1.19 2007/06/17 12:11:31 kls Exp $
*/
#ifndef __FONT_H
@@ -49,14 +49,21 @@ public:
///< Draws the given text into the Bitmap at position (x, y) with the given colors.
///< The text will not exceed the given Width (if > 0), and will end with a complete character.
static void SetFont(eDvbFont Font, const char *Name, int CharHeight);
///< Sets the given Font to use the font data from the file Name and make its characters
///< CharHeight pixels high.
///< Sets the given Font to use the font data according to Name (see CreateFont())
///< and make its characters CharHeight pixels high.
static const cFont *GetFont(eDvbFont Font);
///< Gets the given Font, which was previously set by a call to SetFont().
///< If no SetFont() call has been made, the font as defined in the setup is returned.
///< The caller must not use the returned font outside the scope in which
///< it was retrieved by the call to GetFont(), because a call to SetFont()
///< may delete an existing font.
static cFont *CreateFont(const char *Name, int CharHeight);
///< Creates a new font object with the given Name and makes its characters
///< CharHeight pixels high. Name is of the form "Family:Style", for instance
///< "Verdana:Bold Italic" or "Times New Roman". See GetAvailableFontNames()
///< for how to get a list of all available font names.
///< If the requested font can't be created, NULL is returned.
///< The caller must delete the font when it is no longer needed.
static bool GetAvailableFontNames(cStringList *FontNames, bool Monospaced = false);
///< Queries the font configuration for a list of available font names,
///< which is returned in FontNames. If Monospaced is true, only