diff options
Diffstat (limited to 'src/drivers/Quartz')
| -rw-r--r-- | src/drivers/Quartz/Fl_Quartz_Graphics_Driver.h | 3 | ||||
| -rw-r--r-- | src/drivers/Quartz/Fl_Quartz_Graphics_Driver_image.cxx | 20 |
2 files changed, 23 insertions, 0 deletions
diff --git a/src/drivers/Quartz/Fl_Quartz_Graphics_Driver.h b/src/drivers/Quartz/Fl_Quartz_Graphics_Driver.h index b000aa230..f72e8be8d 100644 --- a/src/drivers/Quartz/Fl_Quartz_Graphics_Driver.h +++ b/src/drivers/Quartz/Fl_Quartz_Graphics_Driver.h @@ -48,6 +48,9 @@ public: const char *class_name() {return class_id;}; virtual int has_feature(driver_feature mask) { return mask & NATIVE; } + // --- bitmap stuff + Fl_Bitmask create_bitmask(int w, int h, const uchar *array); + void delete_bitmask(Fl_Bitmask bm); void draw(Fl_Pixmap *pxm, int XP, int YP, int WP, int HP, int cx, int cy); void draw(Fl_Bitmap *pxm, int XP, int YP, int WP, int HP, int cx, int cy); void draw(Fl_RGB_Image *img, int XP, int YP, int WP, int HP, int cx, int cy); diff --git a/src/drivers/Quartz/Fl_Quartz_Graphics_Driver_image.cxx b/src/drivers/Quartz/Fl_Quartz_Graphics_Driver_image.cxx index 8bac28c42..442b8b29a 100644 --- a/src/drivers/Quartz/Fl_Quartz_Graphics_Driver_image.cxx +++ b/src/drivers/Quartz/Fl_Quartz_Graphics_Driver_image.cxx @@ -278,6 +278,26 @@ void Fl_Quartz_Graphics_Driver::draw(Fl_Pixmap *pxm, int XP, int YP, int WP, int copy_offscreen(X, Y, W, H, (Fl_Offscreen)pxm->id_, cx, cy); } +Fl_Bitmask Fl_Quartz_Graphics_Driver::create_bitmask(int w, int h, const uchar *array) { + static uchar reverse[16] = /* Bit reversal lookup table */ + { 0x00, 0x88, 0x44, 0xcc, 0x22, 0xaa, 0x66, 0xee, + 0x11, 0x99, 0x55, 0xdd, 0x33, 0xbb, 0x77, 0xff }; + int rowBytes = (w+7)>>3 ; + uchar *bmask = (uchar*)malloc(rowBytes*h), *dst = bmask; + const uchar *src = array; + for ( int i=rowBytes*h; i>0; i--,src++ ) { + *dst++ = ((reverse[*src & 0x0f] & 0xf0) | (reverse[(*src >> 4) & 0x0f] & 0x0f))^0xff; + } + CGDataProviderRef srcp = CGDataProviderCreateWithData( 0L, bmask, rowBytes*h, 0L); + CGImageRef id_ = CGImageMaskCreate( w, h, 1, 1, rowBytes, srcp, 0L, false); + CGDataProviderRelease(srcp); + return (Fl_Bitmask)id_; +} + +void Fl_Quartz_Graphics_Driver::delete_bitmask(Fl_Bitmask bm) { + if (bm) CGImageRelease((CGImageRef)bm); +} + #endif // FL_CFG_GFX_QUARTZ |