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/*
* $Id: bitmap.c,v 1.15 2004/06/12 19:16:11 lordjaxom Exp $
*/
#include "bitmap.h"
#include "setup.h"
#include <vdr/tools.h>
#define X_DISPLAY_MISSING
#ifdef HAVE_IMLIB2
#include <Imlib2.h>
#endif
#ifdef HAVE_IMAGEMAGICK
#include <Magick++.h>
using Magick::Image;
using Magick::PixelPacket;
using Magick::Exception;
#endif
template<>
void cImageCache::Delete(string &key, cText2SkinBitmap *&value) {
delete value;
}
cImageCache cText2SkinBitmap::mCache(Text2SkinSetup.MaxCacheFill);
cText2SkinBitmap::cText2SkinBitmap(void) {
mCurrent = 0;
mLastGet = 0;
}
cText2SkinBitmap::~cText2SkinBitmap() {
for (int i = 0; i < (int)mBitmaps.size(); ++i)
delete mBitmaps[i];
}
cBitmap &cText2SkinBitmap::Get(int &UpdateIn) {
if (mBitmaps.size() == 1)
return *mBitmaps[0];
time_t upd, cur = time_ms();
int diff;
if (mLastGet == 0) {
Dprintf("lastget was %d\n", mLastGet);
mLastGet = cur;
upd = mDelay;
} else if ((diff = cur - mLastGet) >= mDelay) {
mCurrent = (mCurrent + 1) % mBitmaps.size();
mLastGet = cur;
upd = mDelay;
} else {
upd = mDelay - diff;
}
Dprintf("delay: %d, diff %d\n", mDelay, diff);
if (UpdateIn == 0 || UpdateIn > upd)
UpdateIn = upd;
Dprintf("Get: returning frame %d\n", mCurrent);
return *mBitmaps[mCurrent];
}
cText2SkinBitmap *cText2SkinBitmap::Load(const char *Filename, int Alpha) {
if (mCache.Contains(Filename)) {
return mCache[Filename];
} else {
cText2SkinBitmap *bmp = new cText2SkinBitmap;
int len = strlen(Filename);
bool result = false;
if (len > 4) {
if (strcmp(Filename + len - 4, ".xpm") == 0)
result = bmp->LoadXpm(Filename, Alpha);
else {
#ifdef HAVE_IMLIB2
result = bmp->LoadImlib(Filename, Alpha);
#else
# ifdef HAVE_IMAGEMAGICK
result = bmp->LoadMagick(Filename, Alpha);
# endif
#endif
}
//else
//esyslog("ERROR: text2skin: unknown file format for %s", Filename);
} else
esyslog("ERROR: text2skin: filename %s too short to identify format", Filename);
if (result)
return (mCache[Filename] = bmp);
}
return false;
}
bool cText2SkinBitmap::LoadXpm(const char *Filename, int Alpha) {
cBitmap *bmp = new cBitmap(1,1,1);
if (bmp->LoadXpm(Filename)) {
int count;
if (Alpha && bmp->Colors(count)) {
for (int i = 0; i < count; ++i)
bmp->SetColor(i, (bmp->Color(i) & 0x00FFFFFF) | (Alpha << 24));
}
mBitmaps.push_back(bmp);
return true;
}
delete bmp;
return false;
}
#ifdef HAVE_IMLIB2
bool cText2SkinBitmap::LoadImlib(const char *Filename, int Alpha) {
Imlib_Image image;
cBitmap *bmp = NULL;
image = imlib_load_image(Filename);
if (!image)
return false;
Imlib_Context ctx = imlib_context_new();
imlib_context_push(ctx);
imlib_context_set_image(image);
bmp = new cBitmap(imlib_image_get_width(), imlib_image_get_height(), 8);
uint8_t *data = (uint8_t*)imlib_image_get_data_for_reading_only();
int pal = 0, pos = 0;
for (int y = 0; y < bmp->Height(); ++y) {
for (int x = 0; x < bmp->Width(); ++x) {
tColor col = (data[pos + 3] << 24) | (data[pos + 2] << 16) | (data[pos + 1] << 8) | data[pos + 0];
if (Alpha)
col = (col & 0x00FFFFFF) | (Alpha << 24);
int res = bmp->Index(col);
if (pal > 0 && res == 0)
;//esyslog("ERROR: text2skin: Too many colors used in palette");
else
bmp->SetIndex(x, y, res);
pos += 4;
}
}
imlib_free_image();
imlib_context_free(ctx);
mBitmaps.push_back(bmp);
return true;
}
#endif
#ifdef HAVE_IMAGEMAGICK
bool cText2SkinBitmap::LoadMagick(const char *Filename, int Alpha) {
vector<Image> images;
cBitmap *bmp = NULL;
try {
int w, h;
vector<Image>::iterator it;
readImages(&images, Filename);
if (images.size() == 0) {
esyslog("ERROR: text2skin: Couldn't load %s", Filename);
return false;
}
mDelay = images[0].animationDelay() * 10;
for (it = images.begin(); it != images.end(); ++it) {
w = (*it).columns();
h = (*it).rows();
bmp = new cBitmap(w, h, 8);
const PixelPacket *ptr = (*it).getConstPixels(0, 0, w, h);
for (int iy = 0; iy < h; ++iy) {
for (int ix = 0; ix < w; ++ix) {
tColor col = (((~ptr->opacity & 0xFF00) << 16) | ((ptr->red & 0xFF00) << 8) | (ptr->green & 0xFF00) | ((ptr->blue & 0xFF00) >> 8));
if (Alpha)
col = (col & 0x00FFFFFF) | (Alpha << 24);
bmp->DrawPixel(ix, iy, col);
++ptr;
}
}
mBitmaps.push_back(bmp);
}
} catch (Exception &e) {
esyslog("ERROR: text2skin: Couldn't load %s: %s", Filename, e.what());
delete bmp;
return false;
}
return true;
}
#endif
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