1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
#ifndef NULLSOFT_ML_IMAGE_HEADER
#define NULLSOFT_ML_IMAGE_HEADER
#include <windows.h>
#define RGBA(r,g,b,a) ((COLORREF)(((BYTE)(r)|((WORD)(g)<<8))|(((DWORD)(BYTE)(b))<<16)|(((DWORD)(BYTE)(a))<<24)))
#define FIXCOLORREF(clr) RGBA(GetBValue(clr),GetGValue(clr), GetRValue(clr),((DWORD)(clr)) >> 24)
// loader function will be called every time MLImage need to
// reload picture. Input parameter - handle to the calling object
// Output - loaded bitmap
typedef HBITMAP (*IMGLOADFUNC)(INT_PTR handle);
class MLImage
{
public:
MLImage(void);
MLImage(IMGLOADFUNC loader, BOOL deleteDone);
MLImage(int width, int height);
~MLImage(void);
public:
// sets the loader function and returns handle to the class or NULL if error
// loader - pointer to the loader function
// deleteDone - if TRUE MLImage will delete HBITMAP object from loader every time it is done loading
// forceLoad - forcing to load bitamp immedialty by calling Load()
INT_PTR SetLoader(IMGLOADFUNC loader, BOOL deleteDone, BOOL forceLoad);
BOOL Load(void); // load image
MLImage* Init(int width, int height); // init image (allocates memory)
MLImage* Init(int width, int height, COLORREF color); // init image (allocates memory) and set
BOOL Draw(HDC hdcDest, int destX, int destY, int destWidth, int destHeight, int sourceX, int sourceY); // draw image
BOOL Draw(HDC hdcDest, int destX, int destY); // draw image
public:
int GetWidth(void) const;
int GetHeight(void) const;
void* GetData(void) const;
private:
void ResetData(void);
public:
static MLImage* Copy(MLImage* destination, const MLImage* original);// copy all data from the original object (including image data) to the destination
private:
static HBITMAP ConvertTo32BppDIB(HBITMAP bmpHandle, int bmpWidth, int bmpHeight, LPBITMAPINFO bmpInfo, LPVOID *bmpData);
private:
IMGLOADFUNC loader; // pointer to the loader function
BOOL loaderDelete; // TRUE - delete HBITMAP from loader after load
HBITMAP hbmp; // my bitmap
BITMAPINFO info;
void *data;
};
#endif // NULLSOFT_ML_IMAGE_HEADER
|
