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#ifdef HAVE_C295
#include <stl.h>
#endif
#include "bitmap.h"
using namespace std; //need ???
using namespace Magick;
cOSDImageBitmap::cOSDImageBitmap() {
}
cOSDImageBitmap::~cOSDImageBitmap() {
}
bool cOSDImageBitmap::LoadZoomed(const char *file, int zoomWidth, int zoomHeight, int zoomLeft, int zoomTop) {
bool status;
status = LoadImageMagick(imgkZoom, file);
if (zoomWidth != 0)
imgkZoom.crop(Geometry(zoomWidth, zoomHeight, zoomLeft, zoomTop));
height = imgkZoom.rows();
width = imgkZoom.columns();
return status;
}
bool cOSDImageBitmap::Load(const char *file)
{
return LoadImageMagick(imgkImage, file);
}
void cOSDImageBitmap::Render(cBitmap & bmp, int colors, int alpha)
{
dsyslog("start to rande image");
if (!loadingFailed) {
// quantize the picture
QuantizeImageMagick(imgkImage, colors, false);
// generate cBitmap
ConvertImgk2Bmp(bmp, imgkImage, colors);
} else {
dsyslog("can't rander image, loading failed!!!!!!!!!!!!!!!!!");
}
}
void cOSDImageBitmap::Render(cBitmap &bmp, int wWindow, int hWindow, int colors, bool dither) {
int w = wWindow;
int h = hWindow;
int wNew, hNew;
wNew = wWindow;
hNew = hWindow;
if (!loadingFailed) {
Image imgkRender = imgkImage;
width = imgkRender.columns();
height = imgkRender.rows();
if (height != h || width != w) {
imgkRender.scale(Geometry(wNew, hNew, 0, 0) );
width = imgkRender.columns();
height = imgkRender.rows();
}
QuantizeImageMagick(imgkRender, colors, dither);
ConvertImgk2Bmp(bmp, imgkRender, colors);
}
}
bool cOSDImageBitmap::LoadImageMagick(Image &imgkLoad, const char *file) {
try {
imgkLoad.read(file);
if (imgkLoad.fileSize() == 0) {
loadingFailed = true;
return false;
}
else {
height = imgkLoad.baseRows();
width = imgkLoad.baseColumns();
origWidth = width;
origHeight = height;
loadingFailed = false;
return true;
}
}
catch(exception &error)
{
loadingFailed = true;
return false;
}
}
void cOSDImageBitmap::QuantizeImageMagick(Image &imgkQuant, int colors, bool dither) {
if (colors < 24)
{
imgkQuant.quantizeColors(colors);
imgkQuant.quantizeDither(dither);
}
imgkQuant.quantize();
}
void cOSDImageBitmap::ConvertImgk2Bmp(cBitmap &bmp, Image &imgkConv, int colors) {
int w = Width();
int h = Height();
tColor col;
bmp.SetSize(w, h);
bmp.SetBpp(colors);
const PixelPacket *pixels = imgkConv.getConstPixels(0, 0, w, h);
for (int iy = 0; iy < h; iy++) {
for (int ix = 0; ix < w; ix++) {
col = (0xFF << 24)
| ( (pixels->green * 255 / MaxRGB) << 8)
| ( (pixels->red * 255 / MaxRGB) << 16)
| ( (pixels->blue * 255 / MaxRGB) );
bmp.DrawPixel(ix, iy, col);
pixels++;
}
}
}
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