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kitty_image.c
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kitty_image.c
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// Probleme du bug de consommation memoire avec le shrink =>
// - voir 0/1 dans la fonction RedrawBackground
// - voir dans le fichier WINDOW.C le if((UINT_PTR)wParam == TIMER_REDRAW)
// Le probleme est dans load_file_jpeg => il manquait un GlobalFree
// Essai de compilation séparé
#ifdef FDJ
#undef IMAGEPORT
#endif
#ifdef IMAGEPORT
#ifdef NO
#include <windows.h>
#include "putty.h"
#include "terminal.h"
extern Conf *conf ;// extern Config cfg;
//extern int offset_width, offset_height ;
//extern int font_width, font_height ;
#ifndef NCFGCOLOURS
#define NCFGCOLOURS 24
#endif
#ifndef NEXTCOLOURS
#define NEXTCOLOURS 240
#endif
#ifndef NALLCOLOURS
#define NALLCOLOURS (NCFGCOLOURS + NEXTCOLOURS)
#endif
//extern COLORREF colours[NALLCOLOURS] ;
extern HWND MainHwnd ;
int stricmp(const char *s1, const char *s2) ;
int GetSessionField( const char * session_in, const char * folder_in, const char * field, char * result ) ;
int get_param( const char * val ) ;
int return_offset_height(void) ;
int return_offset_width(void) ;
int return_font_height(void) ;
int return_font_width(void) ;
COLORREF return_colours258(void) ;
#endif
static BOOL (WINAPI * pAlphaBlend)( HDC, int, int, int, int, HDC, int, int, int, int, BLENDFUNCTION ) = 0 ;
//static HWND hwnd;
#include "kitty_image.h"
HDC textdc = NULL ;
HBITMAP textbm = NULL ;
COLORREF colorinpixel;
HDC colorinpixeldc = NULL ;
HBITMAP colorinpixelbm = NULL;
HDC backgrounddc = NULL ;
HBITMAP backgroundbm = NULL ;
HDC backgroundblenddc = NULL ;
HBITMAP backgroundblendbm = NULL;
BOOL bBgRelToTerm;
int resizing;
RECT size_before;
#ifdef DLL
#define TARGET extern __declspec(dllexport)
#else
#define TARGET
#endif
static int ShrinkBitmapEnable = 1 ;
void SetShrinkBitmapEnable( int v ) {
if( v ) ShrinkBitmapEnable = 1 ;
else ShrinkBitmapEnable = 0 ;
}
//
// Fonctions de shrink de bitmap
//
#define Alloc(p,t) (t *)malloc((p)*sizeof(t))
#define For(i,n) for ((i)=0;(i)<(n);(i)++)
#define iFor(n) For (i,n)
#define jFor(n) For (j,n)
typedef struct {
WORD x, y ; // dimensions
WORD l ; // bytes per scan-line (32-bit allignment)
BYTE *b ; // bits of bitmap,3 bytes/pixel, BGR
} tWorkBMP ; // 24-bit working bitmap
void CreateWorkingBitmap( WORD dx, WORD dy, tWorkBMP *w ) {
w->x=dx ;
w->y=dy ;
w->l=(dx+1)*3&0xfffc ;
w->b=Alloc( w->l*dy, BYTE ) ;
}
HBITMAP CreateEmptyBitmap( WORD dx, WORD dy ) {
HDC h = GetDC( NULL ) ;
HBITMAP b = CreateCompatibleBitmap( h, dx, dy ) ;
ReleaseDC( NULL, h ) ;
return(b) ;
}
void SetBMIHeader( BITMAPINFO *b, short dx, short dy ) {
b->bmiHeader.biSize = sizeof(BITMAPINFOHEADER) ;
b->bmiHeader.biWidth = dx ;
b->bmiHeader.biHeight = -dy ;
b->bmiHeader.biPlanes = 1 ;
b->bmiHeader.biBitCount = 24 ;
b->bmiHeader.biCompression = BI_RGB ;
b->bmiHeader.biSizeImage = 0 ;
b->bmiHeader.biXPelsPerMeter = 1 ;
b->bmiHeader.biYPelsPerMeter = 1 ;
b->bmiHeader.biClrUsed = 0 ;
b->bmiHeader.biClrImportant = 0 ;
}
POINT GetBitmapSize( HBITMAP h ) {
POINT p ;
BITMAP o ;
GetObject( h, sizeof(o), &o ) ;
p.x = o.bmWidth ;
p.y = o.bmHeight ;
return(p) ;
}
void OpenBitmapForWork( HBITMAP b, tWorkBMP *w ) {
BITMAPINFO s ;
HDC h = GetDC( NULL ) ;
POINT v = GetBitmapSize( b ) ;
CreateWorkingBitmap( v.x, v.y, w ) ;
SetBMIHeader( &s,w->x, w->y ) ;
GetDIBits( h, b, 0, w->y, w->b, &s, DIB_RGB_COLORS ) ;
ReleaseDC( NULL, h ) ;
}
void SaveWorkingBitmap( tWorkBMP *w, HBITMAP b ) {
BITMAPINFO s ;
HDC h = GetDC( NULL ) ;
SetBMIHeader( &s, w->x, w->y ) ;
SetDIBits( h, b, 0, w->y, w->b, &s, DIB_RGB_COLORS ) ;
ReleaseDC( NULL, h ) ;
}
void ShrinkWorkingBitmap( tWorkBMP *a, tWorkBMP *b, WORD bx, WORD by ) {
BYTE *uy = a->b, *ux, i ;
WORD x, y, nx, ny = 0 ;
DWORD df = 3*bx, nf = df*by, j ;
float k, qx[2], qy[2], q[4], *f = Alloc( nf, float ) ;
CreateWorkingBitmap( bx, by, b) ;
jFor (nf) f[j]=0;
j=0;
For( y, a->y ) {
ux=uy;
uy+=a->l;
nx=0;
ny+=by;
if (ny>a->y) {
qy[0]=1-(qy[1]=(ny-a->y)/(float)by);
For (x,a->x) {
nx+=bx;
if (nx>a->x) {
qx[0]=1-(qx[1]=(nx-a->x)/(float)bx);
iFor (4) q[i]=qx[i&1]*qy[i>>1];
iFor (3) {
f[j]+=(*ux)*q[0];
f[j+3]+=(*ux)*q[1];
f[j+df]+=(*ux)*q[2];
f[(j++)+df+3]+=(*(ux++))*q[3];
}
} else iFor (3) {
f[j+i]+=(*ux)*qy[0];
f[j+df+i]+=(*(ux++))*qy[1];
}
if (nx>=a->x) nx-=a->x;
if (!nx) j+=3;
}
} else {
For (x,a->x) {
nx+=bx;
if (nx>a->x) {
qx[0]=1-(qx[1]=(nx-a->x)/(float)bx);
iFor (3) {
f[j]+=(*ux)*qx[0];
f[(j++)+3]+=(*(ux++))*qx[1];
}
}
else iFor (3) f[j+i]+=*(ux++);
if (nx>=a->x) nx-=a->x;
if (!nx) j+=3;
}
if (ny<a->y) j-=df;
}
if (ny>=a->y) ny-=a->y;
}
nf=0;
k=bx*by/(float)(a->x*a->y);
uy=b->b;
For (y,by) {
jFor (df) uy[j]=(unsigned char)(f[nf++]*k+.5);
uy+=b->l;
}
free (f);
}
TARGET HBITMAP ShrinkBitmap( HBITMAP a, WORD bx, WORD by )
// creates and returns new bitmap with dimensions of
// [bx,by] by shrinking bitmap a both [bx,by] must be less or equal
// than the dims of a, unless the result is nonsense
{
tWorkBMP in, out ;
HBITMAP b=CreateEmptyBitmap( bx, by ) ;
OpenBitmapForWork( a, &in ) ;
ShrinkWorkingBitmap( &in, &out, bx, by ) ;
free( in.b ) ;
SaveWorkingBitmap( &out, b ) ;
free( out.b ) ;
return( b ) ;
}
HBITMAP ResizeBmp( HBITMAP hBmpSrc, WORD bx, WORD by ) {
SIZE newSize ;
newSize.cx = bx;
newSize.cy = by;
// taille actuelle
BITMAP bmpInfo;
GetObject(hBmpSrc, sizeof(BITMAP), &bmpInfo);
SIZE oldSize;
oldSize.cx = bmpInfo.bmWidth;
oldSize.cy = bmpInfo.bmHeight;
// selection source ds un DC
HDC hdc = GetDC(NULL);
HDC hDCSrc = CreateCompatibleDC(hdc);
HBITMAP hOldBmpSrc = (HBITMAP)SelectObject(hDCSrc, hBmpSrc);
// création bitmap dest et sélection ds un DC
HDC hDCDst = CreateCompatibleDC(hdc);
HBITMAP hBmpDst = CreateCompatibleBitmap(hdc, newSize.cx, newSize.cy);
HBITMAP hOldBmpDst = (HBITMAP)SelectObject(hDCDst, hBmpDst);
// resize
StretchBlt(hDCDst, 0, 0, newSize.cx, newSize.cy, hDCSrc, 0, 0, oldSize.cx, oldSize.cy, SRCCOPY);
// libération ressources
SelectObject(hDCSrc, hOldBmpSrc);
SelectObject(hDCDst, hOldBmpDst);
DeleteDC(hDCSrc);
DeleteDC(hDCDst);
ReleaseDC(NULL, hdc);
return hBmpDst;
}
static void fill_dc(HDC dc, int width, int height, COLORREF color)
{
HBRUSH clrBrush = CreateSolidBrush(color);
HPEN clrPen = CreatePen(PS_SOLID, 0, color);
HBRUSH oldBrush;
HPEN oldPen;
oldBrush = SelectObject(dc, clrBrush);
oldPen = SelectObject(dc, clrPen);
Rectangle(dc, 0, 0, width, height);
SelectObject(dc, oldBrush);
SelectObject(dc, oldPen);
}
static BOOL load_wallpaper_bmp(HBITMAP* rawImage, int* style, int* x, int* y)
{
LONG lRes;
HKEY kDesktop;
DWORD pathLen = MAX_PATH;
DWORD numBufLen = 10;
char wpPath[MAX_PATH];
char wpStyleBuf[10];
char wpTileBuf[10];
int wpStyle = -1;
int wpTile = -1;
// NOTE: In the non-wallpaper case (i.e., load_file_bmp), we load parameters
// like x, y and style from cfg, but in the wallpaper case we ignore our
// stored configuration and get that information from the system.
// ENHANCE: It's possible to set WallpaperOriginX and WallpaperOriginY to
// specify an exact position for the start of the wallpaper, but this
// function doesn't support that yet. I don't think it's possible to set
// it through the normal UI anyway, you have to hack the registry to do it.
// For now, we'll never return an (x,y) positioning request to the caller.
*x = *y = 0;
lRes = RegOpenKeyEx(
HKEY_CURRENT_USER, "Control Panel\\Desktop", 0, KEY_READ, &kDesktop
);
if(lRes != ERROR_SUCCESS)
{
RegCloseKey(kDesktop);
return FALSE; // TODO: Should the error be reported to the user here?
}
lRes = RegQueryValueEx(kDesktop, "Wallpaper", NULL, NULL, wpPath, &pathLen);
if(lRes != ERROR_SUCCESS)
{
RegCloseKey(kDesktop);
return FALSE; // TODO: Should the error be reported to the user here?
}
lRes = RegQueryValueEx(
kDesktop, "WallpaperStyle", NULL, NULL, wpStyleBuf, &numBufLen
);
if(lRes == ERROR_SUCCESS)
wpStyle = atoi(wpStyleBuf);
lRes = RegQueryValueEx(
kDesktop, "TileWallpaper", NULL, NULL, wpTileBuf, &numBufLen
);
if(lRes == ERROR_SUCCESS)
wpTile = atoi(wpTileBuf);
if(wpStyle < 0 && wpStyle > 3)
wpStyle = 0; // Default to tile.
else if(wpTile > 0)
wpStyle = 0; // Force tile.
else if(wpStyle == 0 && wpTile == 0)
wpStyle = 1; // For Explorer, wpStyle == wpTile == 0 means center, and
// it doesn't ever set wpStyle to 1. We call wpStyle == 1
// center and don't use wpTile, to simplify things after
// this point.
RegCloseKey(kDesktop);
if( *rawImage!=NULL ) { DeleteObject( *rawImage ) ; *rawImage=NULL ; }
*rawImage = LoadImage(
NULL, wpPath, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE
);
if(*rawImage == 0)
return FALSE; // TODO: Should the error be reported to the user here?
*style = wpStyle;
return TRUE;
}
static BOOL load_file_bmp(HBITMAP* rawImage, int* style, int* x, int* y)
{
*x = conf_get_int( conf,CONF_bg_image_abs_x); // cfg.bg_image_abs_x;
*y = conf_get_int( conf,CONF_bg_image_abs_y ); // cfg.bg_image_abs_y;
*style = conf_get_int( conf,CONF_bg_image_style); // cfg.bg_image_style;
if( *rawImage!=NULL ) { DeleteObject( *rawImage ) ; *rawImage=NULL ; }
*rawImage = LoadImage(
NULL, conf_get_filename( conf, CONF_bg_image_filename )/*cfg.bg_image_filename.*/->path, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE
);
if(*rawImage == 0)
return FALSE; // TODO: Should the error be reported to the user here?
return TRUE;
}
#include <setjmp.h>
#include "jpeg/jpeglib.h"
jmp_buf JPEG_bailout;
int usePalette = 0;
char *loadError = NULL;
COLORREF skycolour = RGB(0, 0, 255);
HBITMAP CreateHBitmap(int w, int h, LPVOID *lpBits)
{
HBITMAP bitmap;
BITMAPINFOHEADER BIH ;
int iSize = sizeof(BITMAPINFOHEADER) ;
memset(&BIH, 0, iSize);
// Fill in the header info.
BIH.biSize = iSize;
BIH.biWidth = w;
BIH.biHeight = h;
BIH.biPlanes = 1;
BIH.biBitCount = 24;
BIH.biCompression = BI_RGB;
HDC hDC = CreateCompatibleDC(NULL);
bitmap = CreateDIBSection(hDC,
(BITMAPINFO*)&BIH,
DIB_RGB_COLORS,
lpBits,
NULL,
0);
DeleteDC(hDC);
return bitmap;
}
// LOADJPEGIMAGE -- Load JPEG image into memory
HBITMAP loadJPEGimage(FILE *input_file, HGLOBAL *LimageBitmap, int *LsizeX, int *LsizeY)
{
int i;
LPBITMAPINFOHEADER bh;
DWORD bmpsize;
struct jpeg_decompress_struct cinfo;
struct jpeg_error_mgr jerr;
JSAMPARRAY colormap;
LPBYTE pix;
int linewid;
int pixbytes;
static LPBYTE sl = NULL;
static HGLOBAL imageBitmap = NULL; // In-memory bitmap
sl = NULL;
imageBitmap = NULL;
if (setjmp(JPEG_bailout) != 0) {
/* Since we arrive here via longjmp() from
parts unknown, we may have allocated
the line buffer or bitmap prior to bailing
out. If they've been allocated, release them. */
if (sl != NULL) {
GlobalFree(sl);
sl = NULL;
}
if (imageBitmap != NULL) {
GlobalFree(imageBitmap);
imageBitmap = NULL;
}
return NULL;
}
cinfo.err = jpeg_std_error(&jerr);
jpeg_create_decompress(&cinfo);
jpeg_stdio_src(&cinfo, input_file);
jpeg_read_header(&cinfo, TRUE);
cinfo.desired_number_of_colors = 254;
cinfo.quantize_colors = usePalette;
jpeg_start_decompress(&cinfo);
pixbytes = (usePalette ? 1 : 3);
sl = GlobalAlloc(GMEM_FIXED, cinfo.output_width * pixbytes);
if (sl == NULL) {
loadError = "Cannot allocate JPEG decoder row buffer";
return NULL;
}
linewid = ((((cinfo.output_width * pixbytes) + (sizeof(LONG) - 1)) / sizeof(LONG)) * sizeof(LONG));
bmpsize = sizeof(BITMAPINFOHEADER) +
(usePalette ? (256 * sizeof(RGBQUAD)) : 0) +
(linewid * cinfo.output_height);
imageBitmap = GlobalAlloc(GMEM_FIXED, bmpsize);
if (imageBitmap == NULL) {
loadError = "Cannot allocate bitmap for decoded JPEG image";
GlobalFree(sl);
return NULL;
}
// Plug in header fields with information from cinfo
bh = (LPBITMAPINFOHEADER) imageBitmap;
pix = ((LPBYTE) imageBitmap) + sizeof(BITMAPINFOHEADER) +
(usePalette ? (256 * sizeof(RGBQUAD)) : 0);
bh->biSize = sizeof(BITMAPINFOHEADER);
bh->biWidth = cinfo.output_width;
bh->biHeight = cinfo.output_height;
bh->biPlanes = 1;
bh->biBitCount = usePalette ? 8 : 24;
bh->biCompression = BI_RGB;
bh->biSizeImage = 0;
bh->biXPelsPerMeter = bh->biYPelsPerMeter = 2835;
bh->biClrUsed = 0;
bh->biClrImportant = 0;
/* Construct the palette from the colour map optimised
for the JPEG file. */
if (usePalette) {
colormap = cinfo.colormap;
for (i = 0; i < cinfo.actual_number_of_colors; i++) {
if (cinfo.num_components == 1) {
((LPRGBQUAD) &((LPBITMAPINFO) bh)->bmiColors[i])->rgbRed =
((LPRGBQUAD) &((LPBITMAPINFO) bh)->bmiColors[i])->rgbGreen =
((LPRGBQUAD) &((LPBITMAPINFO) bh)->bmiColors[i])->rgbBlue = GETJSAMPLE(colormap[0][i]);
((LPRGBQUAD) &((LPBITMAPINFO) bh)->bmiColors[i])->rgbReserved = 0;
} else {
((LPRGBQUAD) &((LPBITMAPINFO) bh)->bmiColors[i])->rgbRed = GETJSAMPLE(colormap[0][i]);
((LPRGBQUAD) &((LPBITMAPINFO) bh)->bmiColors[i])->rgbGreen = GETJSAMPLE(colormap[1][i]);
((LPRGBQUAD) &((LPBITMAPINFO) bh)->bmiColors[i])->rgbBlue = GETJSAMPLE(colormap[2][i]);
((LPRGBQUAD) &((LPBITMAPINFO) bh)->bmiColors[i])->rgbReserved = 0;
}
}
/* Plug black and our text colour in the last two slots
of the palette so we canbe sure they're available. */
((LPRGBQUAD) &((LPBITMAPINFO) bh)->bmiColors[254])->rgbRed =
((LPRGBQUAD) &((LPBITMAPINFO) bh)->bmiColors[254])->rgbGreen =
((LPRGBQUAD) &((LPBITMAPINFO) bh)->bmiColors[254])->rgbBlue =
((LPRGBQUAD) &((LPBITMAPINFO) bh)->bmiColors[254])->rgbReserved = 0;
((LPRGBQUAD) &((LPBITMAPINFO) bh)->bmiColors[255])->rgbRed = GetRValue(skycolour);
((LPRGBQUAD) &((LPBITMAPINFO) bh)->bmiColors[255])->rgbGreen = GetGValue(skycolour);
((LPRGBQUAD) &((LPBITMAPINFO) bh)->bmiColors[255])->rgbBlue = GetBValue(skycolour);
((LPRGBQUAD) &((LPBITMAPINFO) bh)->bmiColors[255])->rgbReserved = 0;
}
// Return scan lines and transfer to the pixel array
BYTE *pDst = NULL;
HBITMAP hBitmap = CreateHBitmap(bh->biWidth, bh->biHeight, (void**)&pDst);
int nStorageWidth = ((bh->biWidth * 24 + 31) & ~31) >> 3; //dword alignment
JSAMPARRAY ppDst = &pDst;
/*
px = pix + (linewid * (bh->biHeight - 1));
for (i = 0; i < (int) cinfo.output_height; i++) {
unsigned char *slp[1] = { sl };
jpeg_read_scanlines(&cinfo, slp, 1);
if (usePalette) {
memcpy(px, sl, cinfo.output_width);
} else {
int j, k;
if (cinfo.num_components == 3) {
for (j = k = 0; j < (int) cinfo.output_width; j++, k += 3) {
px[k] = sl[k + 2];
px[k + 1] = sl[k + 1];
px[k + 2] = sl[k];
}
} else {
for (j = k = 0; j < (int) cinfo.output_width; j++, k += 3) {
px[k] = sl[j];
px[k + 1] = sl[j];
px[k + 2] = sl[j];
}
}
}
px -= linewid;
}
*/
pDst = pDst + (cinfo.output_height-1)*nStorageWidth ;
while (cinfo.output_scanline < cinfo.output_height) {
jpeg_read_scanlines (&cinfo, ppDst, 1);
if(cinfo.out_color_components==3) {
//swap R & B
BYTE* p = pDst;
int i ;
for( i=0;i<bh->biWidth;i++) {
BYTE r = p[0];
p[0] = p[2];
p[2] = r;
p += 3;
}
}
//pDst += nStorageWidth;
pDst -= nStorageWidth;
}
GlobalFree(sl);
jpeg_finish_decompress(&cinfo);
jpeg_destroy_decompress(&cinfo);
*LsizeX = (int) bh->biWidth;
*LsizeY = (int) bh->biHeight;
*LimageBitmap = imageBitmap;
return hBitmap;
}
static BOOL load_file_jpeg(HBITMAP* rawImage, int* style, int* x, int* y) {
*x = conf_get_int( conf, CONF_bg_image_abs_x ); // cfg.bg_image_abs_x;
*y = conf_get_int( conf, CONF_bg_image_abs_y ); // cfg.bg_image_abs_y;
*style = conf_get_int( conf, CONF_bg_image_style ); // cfg.bg_image_style;
int res=TRUE, LsizeX, LsizeY ;
FILE *fp ;
HGLOBAL LimageBitmap = NULL ;
if( ( fp=fopen( conf_get_filename( conf,CONF_bg_image_filename)/*cfg.bg_image_filename.*/->path, "rb" ) ) == NULL ) return FALSE ;
if( *rawImage!=NULL ) { DeleteObject( *rawImage ) ; *rawImage=NULL ; }
*rawImage = loadJPEGimage(fp, &LimageBitmap,&LsizeX, &LsizeY) ;
if( rawImage == NULL ) res =FALSE ;
fclose( fp ) ;
GlobalFree(LimageBitmap);
return res;
}
HBITMAP HWND_to_HBITMAP(HWND hWnd)
{
RECT r;
HDC hdcMem, hdcScr;
HBITMAP hbmMem, hbmOld;
GetWindowRect(hWnd, &r);
hdcScr = GetWindowDC(hWnd);
hdcMem = CreateCompatibleDC(hdcScr);
hbmMem = CreateCompatibleBitmap(hdcScr, r.right -= r.left, r.bottom -= r.top) ;
hbmOld = (HBITMAP)SelectObject(hdcMem, hbmMem);
BitBlt(hdcMem, 0, 0, r.right, r.bottom, hdcScr, 0, 0, SRCCOPY);
SelectObject(hdcMem, hbmOld);
ReleaseDC(hWnd, hdcScr);
DeleteDC(hdcMem);
return hbmMem;
}
BOOL HBITMAP_to_JPG(HBITMAP hbm, LPCTSTR jpgfile, int quality)
{
BITMAP bm;
BITMAPINFO bi;
BYTE *pPixels;
JSAMPROW jrows[1], jrow;
HDC hdcScr, hdcMem1, hdcMem2;
HBITMAP hbmMem, hbmOld1, hbmOld2;
FILE *fp = fopen(jpgfile, "wb");
struct jpeg_compress_struct jpeg;
struct jpeg_error_mgr jerr;
if(!hbm)
return 0;
if(!GetObject(hbm, sizeof(bm), &bm))
return 0;
if(!fp)
return 0;
ZeroMemory(&bi, sizeof(bi));
bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bi.bmiHeader.biWidth = bm.bmWidth;
bi.bmiHeader.biHeight = bm.bmHeight;
bi.bmiHeader.biPlanes = 1;
bi.bmiHeader.biBitCount = 24;
bi.bmiHeader.biCompression = BI_RGB;
hdcScr = GetDC(0);
hdcMem1 = CreateCompatibleDC(hdcScr);
hbmOld1 = (HBITMAP)SelectObject(hdcMem1,hbm);
hdcMem2 = CreateCompatibleDC(hdcScr);
hbmMem = CreateDIBSection(hdcScr, &bi, DIB_RGB_COLORS, (VOID **)&pPixels, 0, 0);
hbmOld2 = (HBITMAP)SelectObject(hdcMem2, hbmMem);
BitBlt(hdcMem2, 0, 0, bm.bmWidth, bm.bmHeight, hdcMem1, 0, 0, SRCCOPY);
SelectObject(hdcMem1, hbmOld1);
SelectObject(hdcMem2, hbmOld2);
ReleaseDC(0, hdcScr);
DeleteDC(hdcMem1);
DeleteDC(hdcMem2);
jpeg.err = jpeg_std_error(&jerr);
jpeg_create_compress(&jpeg);
jpeg_stdio_dest(&jpeg, fp);
jpeg.image_width = bm.bmWidth;
jpeg.image_height = bm.bmHeight;
jpeg.input_components = 3;
jpeg.in_color_space = JCS_RGB;
jpeg.dct_method = JDCT_FLOAT;
jpeg_set_defaults(&jpeg);
jpeg_set_quality(&jpeg, (quality < 0 || quality > 100) ? 100 : quality, TRUE);
jpeg_start_compress(&jpeg, TRUE);
char *comment=NULL ;
if( comment ) {
jpeg_write_marker(&jpeg, JPEG_COM, (const JOCTET*)comment, strlen(comment));
}
while(jpeg.next_scanline < jpeg.image_height)
{
unsigned int i, j, tmp;
jrow = &pPixels[(jpeg.image_height - jpeg.next_scanline - 1) * ((((bm.bmWidth * 24) + 31) / 32) * 4)];
for(i = 0; i < jpeg.image_width; i++)
{
j = i * 3;
tmp = jrow[j];
jrow[j] = jrow[j + 2];
jrow[j + 2] = tmp;
}
jrows[0] = jrow;
jpeg_write_scanlines(&jpeg, jrows, 1);
}
jpeg_finish_compress(&jpeg);
jpeg_destroy_compress(&jpeg);
DeleteObject(hbmMem);
fclose(fp);
return 1;
}
void MakeScreenShot() {
HBITMAP hbm = HWND_to_HBITMAP(GetDesktopWindow());
if(hbm) {
HBITMAP_to_JPG(hbm, "screenshot.jpg", 85) ;
DeleteObject(hbm);
}
}
static HBITMAP CreateDIBSectionWithFileMapping(HDC dc, int width, int height, HANDLE fmap)
{
BITMAPINFOHEADER BMI;
BMI.biSize = sizeof(BITMAPINFOHEADER);
BMI.biWidth = width;
BMI.biHeight = height;
BMI.biPlanes = 1;
BMI.biBitCount = 32;
BMI.biCompression = BI_RGB;
BMI.biSizeImage = 0;
BMI.biXPelsPerMeter = 0;
BMI.biYPelsPerMeter = 0;
BMI.biClrUsed = 0;
BMI.biClrImportant = 0;
return(CreateDIBSection(dc, (BITMAPINFO *)&BMI, DIB_RGB_COLORS, 0, fmap, 0));
}
/***********SCREEN CAPTURE*******************/
int screenCapturePart(int x, int y, int w, int h, LPCSTR fname,int quality) {
int return_code = 0 ;
HDC hdcSource = GetDC(NULL);
HDC hdcMemory = CreateCompatibleDC(hdcSource);
//int capX = GetDeviceCaps(hdcSource, HORZRES);
//int capY = GetDeviceCaps(hdcSource, VERTRES);
HBITMAP hBitmap = CreateCompatibleBitmap(hdcSource, w, h);
HBITMAP hBitmapOld = (HBITMAP)SelectObject(hdcMemory, hBitmap);
BitBlt(hdcMemory, 0, 0, w, h, hdcSource, x, y, SRCCOPY);
hBitmap = (HBITMAP)SelectObject(hdcMemory, hBitmapOld);
DeleteDC(hdcSource);
DeleteDC(hdcMemory);
//HPALETTE hpal = NULL;
if( HBITMAP_to_JPG( hBitmap,fname, quality) ) { return_code = 1 ; }
DeleteObject(hBitmap);
return return_code ;
}
int screenCaptureClientRect( HWND hwnd, LPCSTR fname, int quality ) {
RECT rc;
POINT p;
GetClientRect(hwnd, &rc);
p.x=rc.left; p.y=rc.top,
ClientToScreen(hwnd,&p);
rc.left=p.x;rc.top=p.y;
return screenCapturePart(rc.left,rc.top,rc.right,rc.bottom,fname,quality) ;
}
int screenCaptureWinRect( HWND hwnd, LPCSTR fname, int quality ) {
RECT r;
GetWindowRect(hwnd, &r);
return screenCapturePart(r.left,r.top,r.right-r.left,r.bottom-r.top,fname,quality) ;
}
int screenCaptureAll( LPCSTR fname, int quality ) {
return screenCapturePart(0,0,GetSystemMetrics(SM_CXSCREEN),GetSystemMetrics (SM_CYSCREEN),fname,quality) ;
}
/******************************/
void init_dc_blend(void)
{
//HMODULE * msimg32_dll = LoadLibrary("msimg32.dll");
HMODULE msimg32_dll = LoadLibrary("msimg32.dll");
if(msimg32_dll)
pAlphaBlend = GetProcAddress(msimg32_dll, "AlphaBlend");
if(pAlphaBlend)
{
HDC hdc = GetDC(hwnd);
// Create one pixel size bitmap for use in color_blend.
if( colorinpixeldc !=NULL ) DeleteDC(colorinpixeldc ); colorinpixeldc = CreateCompatibleDC(hdc);
if( colorinpixelbm!=NULL ) DeleteObject(colorinpixelbm); colorinpixelbm = CreateCompatibleBitmap(hdc, 1, 1);
SelectObject(colorinpixeldc, colorinpixelbm);
colorinpixel = 0;
SetPixelV(colorinpixeldc, 0, 0, colorinpixel);
ReleaseDC(hwnd, hdc);
}
}
void color_blend(
HDC destDc, int x, int y, int width, int height,
COLORREF alphacolor, int opacity)
{
if(pAlphaBlend) {
// Fast alpha blending for Win98&2000 and newer...
BLENDFUNCTION blender;
// Create one pixel size bitmap for use in color_blend.
if(colorinpixel != alphacolor)
{
colorinpixel = alphacolor;
SetPixelV(colorinpixeldc, 0, 0, alphacolor);
}
blender.BlendOp = AC_SRC_OVER;
blender.BlendFlags = 0;
blender.SourceConstantAlpha = (0xff * opacity) / 100;
blender.AlphaFormat = 0;
(*pAlphaBlend)(destDc, x, y, width, height, colorinpixeldc, 0, 0, 1, 1, blender);
}
else
{
// Slow alpha blending for Win95&NT...
// Note: Only tested with WinXP, should work on 95/NT.. probably.
int i, alphacolorR, alphacolorG, alphacolorB, bk_opacity;
HBITMAP tmpbm;
HDC tmpdc;
static HANDLE fmap;
static int fmap_size;
static unsigned char * pRGB;
if(fmap_size < width * height * 4)
{
if(fmap) {
UnmapViewOfFile(pRGB);
CloseHandle(fmap);
}
fmap_size = width * height * 4;
fmap = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, fmap_size, NULL);
pRGB = MapViewOfFile(fmap, FILE_MAP_ALL_ACCESS, 0, 0, fmap_size);
}
// Create DIBSection so we get pixels easily.
tmpdc = CreateCompatibleDC(destDc);
tmpbm = CreateDIBSectionWithFileMapping(destDc, width, height, fmap);
SelectObject(tmpdc, tmpbm);
// Copy bitmap to temporary bitmap for easy pixel access.
BitBlt(tmpdc, 0, 0, width, height, destDc, x, y, SRCCOPY);
// Moved stuff out from the loop
alphacolorR = GetRValue(alphacolor) * opacity;
alphacolorG = GetGValue(alphacolor) * opacity;
alphacolorB = GetBValue(alphacolor) * opacity;
bk_opacity = 100 - opacity;
for(i=0; i<width*height*4; i+=4)
{
pRGB[i + 0] = (pRGB[i + 0] * bk_opacity + alphacolorB) / 100;
pRGB[i + 1] = (pRGB[i + 1] * bk_opacity + alphacolorG) / 100;
pRGB[i + 2] = (pRGB[i + 2] * bk_opacity + alphacolorR) / 100;
}
// Copy temporary bitmap back to original
BitBlt(destDc, x, y, width, height, tmpdc, 0, 0, SRCCOPY);
DeleteObject(tmpbm);
DeleteDC(tmpdc);
}
}
#include <math.h>
static void color_opacity_gradient( HDC destDc, int x, int y, int width, int height, COLORREF alphacolor, int style ) {
int i, alphacolorR, alphacolorG, alphacolorB, bk_opacity, opacity, h, w ;
double l ;
HBITMAP tmpbm;
HDC tmpdc;
static HANDLE fmap;
static int fmap_size;
static unsigned char * pRGB;
int OpacityMin = 0, OpacityMax = 100 ;
char buf[256] = "" ;
if( GetSessionField( conf_get_str(conf,CONF_sessionname)/*cfg.sessionname*/, conf_get_str(conf,CONF_folder)/*cfg.folder*/, "BgOpacityRange", buf ) ) {
sscanf( buf, "%d-%d", &OpacityMin, &OpacityMax ) ;
if( OpacityMin == OpacityMax ) { OpacityMin = 0 ; OpacityMax = 100 ; }
}
if(fmap_size < width * height * 4) {
if(fmap) { UnmapViewOfFile(pRGB) ; CloseHandle(fmap) ; }
fmap_size = width * height * 4;
fmap = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, fmap_size, NULL);
pRGB = MapViewOfFile(fmap, FILE_MAP_ALL_ACCESS, 0, 0, fmap_size);
}
// Create DIBSection so we get pixels easily.
tmpdc = CreateCompatibleDC(destDc);
tmpbm = CreateDIBSectionWithFileMapping(destDc, width, height, fmap);
SelectObject(tmpdc, tmpbm);
// Copy bitmap to temporary bitmap for easy pixel access.
BitBlt(tmpdc, 0, 0, width, height, destDc, x, y, SRCCOPY);
opacity = 0 ; bk_opacity = 100 ; alphacolorR = 0 ; alphacolorG = 0 ; alphacolorB = 0 ;
w = 0 ; h = 0 ;
for(i=0; i<width*height*4; i+=4) {
switch( style ) {
case 2: // De bas en haut
if( (i%(4*width)) == 0 ) {
h++ ;
opacity = OpacityMin + 1.0*( OpacityMax-OpacityMin ) * (1.0*h)/(1.0*height) ;
opacity = 100 - opacity ;
}
break ;
case 3: // De gauche a droite
w++ ; if( w >= width ) { w = 0 ; }
opacity = OpacityMin + 1.0*( OpacityMax-OpacityMin ) * (1.0*w)/(1.0*width) ;
break ;
case 4: // De droite a gauche
w++ ; if( w >= width ) { w = 0 ; }
opacity = OpacityMin + 1.0*( OpacityMax-OpacityMin ) * (1.0*w)/(1.0*width) ;
opacity = 100 - opacity ;
break ;
case 5: // Du centre vers l'exterieur
if( (i%(4*width)) == 0 ) { h++ ; }
w++ ; if( w >= width ) { w = 0 ; }
l = sqrt( pow(1.0*width/2.0-w,2.0)+pow(1.0*height/2.0-h,2.0) ) /
sqrt( pow(1.0*width/2.0,2.0)+pow(1.0*height/2.0,2.0) );
opacity = OpacityMin + 1.0*( OpacityMax-OpacityMin ) * l ;
break ;
case 6: // De l'exterieur vers le centre
if( (i%(4*width)) == 0 ) { h++ ; }
w++ ; if( w >= width ) { w = 0 ; }
l = sqrt( pow(1.0*width/2.0-w,2.0)+pow(1.0*height/2.0-h,2.0) ) /
sqrt( pow(1.0*width/2.0,2.0)+pow(1.0*height/2.0,2.0) );
opacity = OpacityMin + 1.0*( OpacityMax-OpacityMin ) * l ;
opacity = 100 - opacity ;
break ;
case 7:
if( (i%(4*width)) == 0 ) { h++ ; }
w++ ; if( w >= width ) { w = 0 ; }
l = sqrt( pow(1.0*w,2.0)+pow(1.0*h,2.0) )/sqrt( pow(1.0*width,2.0)+pow(1.0*height,2.0) ) ;
opacity = OpacityMin + 1.0*( OpacityMax-OpacityMin ) * l ;
break ;
case 8:
if( (i%(4*width)) == 0 ) { h++ ; }
w++ ; if( w >= width ) { w = 0 ; }
l = sqrt( pow(1.0*w,2.0)+pow(1.0*h,2.0) )/sqrt( pow(1.0*width,2.0)+pow(1.0*height,2.0) ) ;
opacity = OpacityMin + 1.0*( OpacityMax-OpacityMin ) * l ;
opacity = 100 - opacity ;
break ;
case 9:
if( (i%(4*width)) == 0 ) { h++ ; }
w++ ; if( w >= width ) { w = 0 ; }
l = sqrt( pow(1.0*(width-w),2.0)+pow(1.0*h,2.0) )/sqrt( pow(1.0*width,2.0)+pow(1.0*height,2.0) ) ;
opacity = OpacityMin + 1.0*( OpacityMax-OpacityMin ) * l ;
break ;
case 10:
if( (i%(4*width)) == 0 ) { h++ ; }
w++ ; if( w >= width ) { w = 0 ; }
l = sqrt( pow(1.0*(width-w),2.0)+pow(1.0*h,2.0) )/sqrt( pow(1.0*width,2.0)+pow(1.0*height,2.0) ) ;
opacity = OpacityMin + 1.0*( OpacityMax-OpacityMin ) * l ;
opacity = 100 - opacity ;
break ;
default: // De haut en bas
if( (i%(4*width)) == 0 ) {
h++ ;
opacity = OpacityMin + 1.0*( OpacityMax-OpacityMin ) * (1.0*h)/(1.0*height) ;
}
break ;
}
if( opacity < 0 ) opacity = 0 ;
if( opacity > 100 ) opacity = 100 ;
alphacolorR = GetRValue(alphacolor) * opacity;
alphacolorG = GetGValue(alphacolor) * opacity;
alphacolorB = GetBValue(alphacolor) * opacity;
bk_opacity = 100 - opacity ;
pRGB[i + 0] = (pRGB[i + 0] * bk_opacity + alphacolorB) / 100;
pRGB[i + 1] = (pRGB[i + 1] * bk_opacity + alphacolorG) / 100;
pRGB[i + 2] = (pRGB[i + 2] * bk_opacity + alphacolorR) / 100;
}
// Copy temporary bitmap back to original
BitBlt(destDc, x, y, width, height, tmpdc, 0, 0, SRCCOPY);
DeleteObject(tmpbm);
DeleteDC(tmpdc);
}
void CreateBlankBitmap( HBITMAP * rawImage, const int width, const int height ) {
HDC dc= CreateCompatibleDC(NULL);
BITMAPINFO bi;
ZeroMemory( &bi.bmiHeader, sizeof(BITMAPINFOHEADER) );
bi.bmiHeader.biWidth=width; // Set size you need
bi.bmiHeader.biHeight=height; // Set size you need
bi.bmiHeader.biPlanes=1;