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framebuffer/pictureviewer: add functions to query icon size

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Add infrastructure to query icon size as in tuxbox neutrino.
TODO: those functions are yet to be tested for non-.raw icons ;)

git-svn-id: file:///home/bas/coolstream_public_svn/THIRDPARTY/applications/neutrino-experimental@44 e54a6e83-5905-42d5-8d5c-058d10e6a962


Origin commit data
------------------
Commit: af169c19ff
Author: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: 2009-12-13 (Sun, 13 Dec 2009)
This commit is contained in:
Stefan Seyfried
2009-12-13 18:10:29 +00:00
parent 3ddf21f92e
commit 577438d4a4
4 changed files with 89 additions and 0 deletions
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64
src/driver/framebuffer.cpp
View File

@@ -814,6 +814,70 @@ void CFrameBuffer::setIconBasePath(const std::string & iconPath)
iconBasePath = iconPath;
}
int CFrameBuffer::getIconHeight(const char * const filename)
{
struct rawHeader header;
uint16_t height;
int icon_fd;
char *ptr = rindex(filename, '.');
if (ptr) {
*ptr = 0;
std::string newname = iconBasePath + std::string(filename) + ".gif";
*ptr = '.';
if (!access(newname.c_str(), F_OK))
return g_PicViewer->getHeight(newname.c_str());
}
icon_fd = open(filename, O_RDONLY);
if (icon_fd == -1)
{
printf("Framebuffer getIconHeight: error while loading icon: %s\n", filename);
return 0;
}
else
{
read(icon_fd, &header, sizeof(struct rawHeader));
height = (header.height_hi << 8) | header.height_lo;
}
close(icon_fd);
return height;
}
int CFrameBuffer::getIconWidth(const char * const filename)
{
struct rawHeader header;
uint16_t width;
int icon_fd;
char *ptr = rindex(filename, '.');
if (ptr) {
*ptr = 0;
std::string newname = iconBasePath + std::string(filename) + ".gif";
*ptr = '.';
if (!access(newname.c_str(), F_OK))
return g_PicViewer->getWidth(newname.c_str());
}
icon_fd = open(filename, O_RDONLY);
if (icon_fd == -1)
{
printf("Framebuffer getIconWidth: error while loading icon: %s\n", filename);
width = 0;
}
else
{
read(icon_fd, &header, sizeof(struct rawHeader));
width = (header.width_hi << 8) | header.width_lo;
}
close(icon_fd);
return width;
}
bool CFrameBuffer::paintIcon8(const std::string & filename, const int x, const int y, const unsigned char offset)
{
if (!getActive())

3
src/driver/framebuffer.h
View File

@@ -110,6 +110,9 @@ class CFrameBuffer
static CFrameBuffer* getInstance();
int getIconWidth(const char * const filename); // infos about icon dimensions
int getIconHeight(const char * const filename);
void init(const char * const fbDevice = "/dev/fb/0");
int setMode(unsigned int xRes, unsigned int yRes, unsigned int bpp);

20
src/driver/pictureviewer/pictureviewer.cpp
View File

@@ -443,6 +443,26 @@ printf("logo file: %s\n", fname);
return ret;
}
int CPictureViewer::getWidth(const char* name)
{
int x, y;
CFormathandler *fh;
fh = fh_getsize(name, &x, &y, INT_MAX, INT_MAX);
if (fh == NULL)
return -1;
return x;
}
int CPictureViewer::getHeight(const char* name)
{
int x, y;
CFormathandler *fh;
fh = fh_getsize(name, &x, &y, INT_MAX, INT_MAX);
if (fh == NULL)
return -1;
return y;
}
bool CPictureViewer::DisplayImage (const std::string & name, int posx, int posy, int width, int height)
{
int x, y;

2
src/driver/pictureviewer/pictureviewer.h
View File

@@ -65,6 +65,8 @@ class CPictureViewer
bool DisplayImage (const std::string & name, int posx, int posy, int width, int height);
bool DisplayLogo (uint64_t channel_id, int posx, int posy, int width, int height);
fb_pixel_t * getImage (const std::string & name, int width, int height);
int getWidth(const char *name);
int getHeight(const char *name);
private:
CFormathandler *fh_root;