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Diffstat (limited to 'dvbspu.c')
-rw-r--r--dvbspu.c34
1 files changed, 20 insertions, 14 deletions
diff --git a/dvbspu.c b/dvbspu.c
index aaf608d..76ed405 100644
--- a/dvbspu.c
+++ b/dvbspu.c
@@ -8,7 +8,7 @@
*
* parts of this file are derived from the OMS program.
*
- * $Id: dvbspu.c 2.1 2009/05/09 16:25:59 kls Exp $
+ * $Id: dvbspu.c 2.2 2009/11/22 14:17:59 kls Exp $
*/
#include "dvbspu.h"
@@ -55,6 +55,9 @@ void cDvbSpuPalette::setPalette(const uint32_t * pal)
#define setMin(a, b) if (a > b) a = b
#define setMax(a, b) if (a < b) a = b
+#define spuXres 720
+#define spuYres 576
+
#define revRect(r1, r2) { r1.x1 = r2.x2; r1.y1 = r2.y2; r1.x2 = r2.x1; r1.y2 = r2.y1; }
cDvbSpuBitmap::cDvbSpuBitmap(sDvbSpuRect size,
@@ -63,8 +66,8 @@ cDvbSpuBitmap::cDvbSpuBitmap(sDvbSpuRect size,
{
size.x1 = max(size.x1, 0);
size.y1 = max(size.y1, 0);
- size.x2 = min(size.x2, Setup.OSDWidth);
- size.y2 = min(size.y2, Setup.OSDHeight);
+ size.x2 = min(size.x2, spuXres - 1);
+ size.y2 = min(size.y2, spuYres - 1);
bmpsize = size;
revRect(minsize[0], size);
@@ -72,7 +75,7 @@ cDvbSpuBitmap::cDvbSpuBitmap(sDvbSpuRect size,
revRect(minsize[2], size);
revRect(minsize[3], size);
- int MemSize = bmpsize.width() * bmpsize.height() * sizeof(uint8_t);
+ int MemSize = spuXres * spuYres * sizeof(uint8_t);
bmp = new uint8_t[MemSize];
if (bmp)
@@ -93,10 +96,10 @@ cBitmap *cDvbSpuBitmap::getBitmap(const aDvbSpuPalDescr paldescr,
int h = size.height();
int w = size.width();
- if (size.y1 + h >= bmpsize.height())
- h = bmpsize.height() - size.y1 - 1;
- if (size.x1 + w >= bmpsize.width())
- w = bmpsize.width() - size.x1 - 1;
+ if (size.y1 + h >= spuYres)
+ h = spuYres - size.y1 - 1;
+ if (size.x1 + w >= spuXres)
+ w = spuXres - size.x1 - 1;
if (w & 0x03)
w += 4 - (w & 0x03);
@@ -111,11 +114,13 @@ cBitmap *cDvbSpuBitmap::getBitmap(const aDvbSpuPalDescr paldescr,
}
// set the content
- for (int yp = 0; yp < h; yp++) {
- for (int xp = 0; xp < w; xp++) {
- uint8_t idx = bmp[(size.y1 + yp) * bmpsize.width() + size.x1 + xp];
- ret->SetIndex(xp, yp, idx);
- }
+ if (bmp) {
+ for (int yp = 0; yp < h; yp++) {
+ for (int xp = 0; xp < w; xp++) {
+ uint8_t idx = bmp[(size.y1 + yp) * spuXres + size.x1 + xp];
+ ret->SetIndex(xp, yp, idx);
+ }
+ }
}
return ret;
}
@@ -149,7 +154,8 @@ bool cDvbSpuBitmap::getMinSize(const aDvbSpuPalDescr paldescr,
void cDvbSpuBitmap::putPixel(int xp, int yp, int len, uint8_t colorid)
{
- memset(bmp + bmpsize.width() * yp + xp, colorid, len);
+ if (bmp)
+ memset(bmp + spuXres * yp + xp, colorid, len);
setMin(minsize[colorid].x1, xp);
setMin(minsize[colorid].y1, yp);
setMax(minsize[colorid].x2, xp + len - 1);