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new API: LoadCursorFromPNGFile, LoadCursorFromPNGMem

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Vincent Wei
2020-01-09 12:13:03 +08:00
parent 582ed130a7
commit 74f6510971
1 changed files with 79 additions and 6 deletions
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include/minigui.h
+79 -6
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@@ -2794,7 +2794,7 @@ MG_EXPORT void GUIAPI FreeFixStr (char* str);
*
* \return Handle to the cursor, zero on error.
*
* \note MiniGUI does not support 256-color or animation cursor.
* \note This function does not support 256-color or animation cursor.
*
* \sa SetCursor
*/
@@ -2812,12 +2812,65 @@ MG_EXPORT HCURSOR GUIAPI LoadCursorFromFile (const char* filename);
*
* \return Handle to the cursor, zero on error.
*
* \note MiniGUI does not support 256-color or animation cursor.
* \note This function does not support 256-color or animation cursor.
*
* \sa SetCursor
*/
MG_EXPORT HCURSOR GUIAPI LoadCursorFromMem (const void* area);
#ifdef _MGUSE_COMPOSITING
/**
* \fn HCURSOR GUIAPI LoadCursorFromPNGFile (const char* filename,
int hotspot_x, int hotspot_y)
* \brief Loads a cursor from a PNG file.
*
* This function loads a cursor from a PNG file
* named \a filename and returns the handle to loaded cursor.
* The returned handle can be used by \a SetCursor to set new mouse cursor.
*
* \param filename The path name of the PNG file.
* \param hotspot_x The x-coordinate of the hot spot.
* \param hotspot_y The y-coordinate of the hot spot.
*
* \return Handle to the cursor, zero on error.
*
* \note This function only available when using compoisting schema.
*
* \sa SetCursor
*
* Since 4.2.0.
*/
MG_EXPORT HCURSOR GUIAPI LoadCursorFromPNGFile (const char* filename,
int hotspot_x, int hotspot_y);
/**
* \fn HCURSOR GUIAPI LoadCursorFromPNGMem (const void* area, size_t size,
int hotspot_x, int hotspot_y)
* \brief Loads a cursor from a memory area in PNG layout.
*
* This function loads a cursor from a memory area pointed to by \a area.
* The memory has the same layout as a PNG file.
* The returned handle can be used by \a SetCursor to set new mouse cursor.
*
* \param area The pointer to the PNG data.
* \param size The size of the PNG data in bytes.
* \param hotspot_x The x-coordinate of the hot spot.
* \param hotspot_y The y-coordinate of the hot spot.
*
* \return Handle to the cursor, zero on error.
*
* \note This function only available when using compoisting schema.
*
* \sa SetCursor
*
* Since 4.2.0.
*/
MG_EXPORT HCURSOR GUIAPI LoadCursorFromPNGMem (const void* area, size_t size,
int hotspot_x, int hotspot_y);
#endif /* _MGUSE_COMPOSITING */
/**
* \fn HCURSOR GUIAPI CreateCursor (int xhotspot, int yhotspot, int w, int h,\
const BYTE* pANDBits, const BYTE* pXORBits, int colornum)
@@ -2841,7 +2894,7 @@ MG_EXPORT HCURSOR GUIAPI LoadCursorFromMem (const void* area);
*
* \return Handle to the cursor, zero on error.
*
* \note MiniGUI only support 2-color or 16-color cursor.
* \note This function only supports 2-color or 16-color cursor.
*/
MG_EXPORT HCURSOR GUIAPI CreateCursor (int xhotspot, int yhotspot, int w, int h,
const BYTE* pANDBits, const BYTE* pXORBits, int colornum);
@@ -2944,12 +2997,32 @@ MG_EXPORT HCURSOR GUIAPI GetCurrentCursor (void);
#else /* _MGHAVE_CURSOR */
static inline HCURSOR LoadCursorFromFile(const char* filename) {
static inline HCURSOR LoadCursorFromFile (const char* filename) {
return (HCURSOR)0;
}
static inline HCURSOR CreateCursor(int xhotspot, int yhotspot, int w, int h,
const BYTE* pANDBits, const BYTE* pXORBits, int colornum) {
static inline HCURSOR GUIAPI LoadCursorFromMem (const void* area) {
return (HCURSOR)0;
}
#ifdef _MGUSE_COMPOSITING
static inline
HCURSOR LoadCursorFromPNGFile(const char* filename,
int hotspot_x, int hotspot_y) {
return (HCURSOR)0;
}
static inline
HCURSOR GUIAPI LoadCursorFromPNGMem(const void* area, size_t size,
int hotspot_x, int hotspot_y) {
return (HCURSOR)0;
}
#endif
static inline
HCURSOR CreateCursor (int xhotspot, int yhotspot, int w, int h,
const BYTE* pANDBits, const BYTE* pXORBits, int colornum) {
return (HCURSOR)0;
}