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winemac: Move create_cgimage_from_icon_bitmaps() into new module, image.c.

This commit is contained in:
Ken Thomases 2013-03-17 22:40:44 -05:00 committed by Alexandre Julliard
parent 322ce433d5
commit 462721a115
4 changed files with 158 additions and 126 deletions
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1
dlls/winemac.drv/Makefile.in
View File

@ -9,6 +9,7 @@ C_SRCS = \
dragdrop.c \
event.c \
gdi.c \
image.c \
keyboard.c \
macdrv_main.c \
mouse.c \

152
dlls/winemac.drv/image.c Normal file
View File

@ -0,0 +1,152 @@
/*
* MACDRV image functions
*
* Copyright 2013 Ken Thomases for CodeWeavers Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "macdrv.h"
#include "winuser.h"
WINE_DEFAULT_DEBUG_CHANNEL(image);
/***********************************************************************
* create_cgimage_from_icon_bitmaps
*/
CGImageRef create_cgimage_from_icon_bitmaps(HDC hdc, HANDLE icon, HBITMAP hbmColor,
unsigned char *color_bits, int color_size, HBITMAP hbmMask,
unsigned char *mask_bits, int mask_size, int width,
int height, int istep)
{
int i, has_alpha = FALSE;
DWORD *ptr;
CGBitmapInfo alpha_format;
CGColorSpaceRef colorspace;
CFDataRef data;
CGDataProviderRef provider;
CGImageRef cgimage;
/* draw the cursor frame to a temporary buffer then create a CGImage from that */
memset(color_bits, 0x00, color_size);
SelectObject(hdc, hbmColor);
if (!DrawIconEx(hdc, 0, 0, icon, width, height, istep, NULL, DI_NORMAL))
{
WARN("Could not draw frame %d (walk past end of frames).\n", istep);
return NULL;
}
/* check if the cursor frame was drawn with an alpha channel */
for (i = 0, ptr = (DWORD*)color_bits; i < width * height; i++, ptr++)
if ((has_alpha = (*ptr & 0xff000000) != 0)) break;
if (has_alpha)
alpha_format = kCGImageAlphaFirst;
else
alpha_format = kCGImageAlphaNoneSkipFirst;
colorspace = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
if (!colorspace)
{
WARN("failed to create colorspace\n");
return NULL;
}
data = CFDataCreate(NULL, (UInt8*)color_bits, color_size);
if (!data)
{
WARN("failed to create data\n");
CGColorSpaceRelease(colorspace);
return NULL;
}
provider = CGDataProviderCreateWithCFData(data);
CFRelease(data);
if (!provider)
{
WARN("failed to create data provider\n");
CGColorSpaceRelease(colorspace);
return NULL;
}
cgimage = CGImageCreate(width, height, 8, 32, width * 4, colorspace,
alpha_format | kCGBitmapByteOrder32Little,
provider, NULL, FALSE, kCGRenderingIntentDefault);
CGDataProviderRelease(provider);
CGColorSpaceRelease(colorspace);
if (!cgimage)
{
WARN("failed to create image\n");
return NULL;
}
/* if no alpha channel was drawn then generate it from the mask */
if (!has_alpha)
{
unsigned int width_bytes = (width + 31) / 32 * 4;
CGImageRef cgmask, temp;
/* draw the cursor mask to a temporary buffer */
memset(mask_bits, 0xFF, mask_size);
SelectObject(hdc, hbmMask);
if (!DrawIconEx(hdc, 0, 0, icon, width, height, istep, NULL, DI_MASK))
{
WARN("Failed to draw frame mask %d.\n", istep);
CGImageRelease(cgimage);
return NULL;
}
data = CFDataCreate(NULL, (UInt8*)mask_bits, mask_size);
if (!data)
{
WARN("failed to create data\n");
CGImageRelease(cgimage);
return NULL;
}
provider = CGDataProviderCreateWithCFData(data);
CFRelease(data);
if (!provider)
{
WARN("failed to create data provider\n");
CGImageRelease(cgimage);
return NULL;
}
cgmask = CGImageMaskCreate(width, height, 1, 1, width_bytes, provider, NULL, FALSE);
CGDataProviderRelease(provider);
if (!cgmask)
{
WARN("failed to create mask\n");
CGImageRelease(cgimage);
return NULL;
}
temp = CGImageCreateWithMask(cgimage, cgmask);
CGImageRelease(cgmask);
CGImageRelease(cgimage);
if (!temp)
{
WARN("failed to create masked image\n");
return NULL;
}
cgimage = temp;
}
return cgimage;
}

5
dlls/winemac.drv/macdrv.h
View File

@ -173,4 +173,9 @@ static inline RECT rect_from_cgrect(CGRect cgrect)
extern void sync_gl_view(struct macdrv_win_data *data) DECLSPEC_HIDDEN;
extern void set_gl_view_parent(HWND hwnd, HWND parent) DECLSPEC_HIDDEN;
extern CGImageRef create_cgimage_from_icon_bitmaps(HDC hdc, HANDLE icon, HBITMAP hbmColor,
unsigned char *color_bits, int color_size, HBITMAP hbmMask,
unsigned char *mask_bits, int mask_size, int width,
int height, int istep) DECLSPEC_HIDDEN;
#endif /* __WINE_MACDRV_H */

126
dlls/winemac.drv/mouse.c
View File

@ -466,132 +466,6 @@ CFArrayRef create_monochrome_cursor(HDC hdc, const ICONINFOEXW *icon, int width,
}
/***********************************************************************
* create_cgimage_from_icon_bitmaps
*/
static CGImageRef create_cgimage_from_icon_bitmaps(HDC hdc, HANDLE icon, HBITMAP hbmColor,
unsigned char *color_bits, int color_size, HBITMAP hbmMask,
unsigned char *mask_bits, int mask_size, int width,
int height, int istep)
{
int i, has_alpha = FALSE;
DWORD *ptr;
CGBitmapInfo alpha_format;
CGColorSpaceRef colorspace;
CFDataRef data;
CGDataProviderRef provider;
CGImageRef cgimage;
/* draw the cursor frame to a temporary buffer then create a CGImage from that */
memset(color_bits, 0x00, color_size);
SelectObject(hdc, hbmColor);
if (!DrawIconEx(hdc, 0, 0, icon, width, height, istep, NULL, DI_NORMAL))
{
WARN("Could not draw frame %d (walk past end of frames).\n", istep);
return NULL;
}
/* check if the cursor frame was drawn with an alpha channel */
for (i = 0, ptr = (DWORD*)color_bits; i < width * height; i++, ptr++)
if ((has_alpha = (*ptr & 0xff000000) != 0)) break;
if (has_alpha)
alpha_format = kCGImageAlphaFirst;
else
alpha_format = kCGImageAlphaNoneSkipFirst;
colorspace = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
if (!colorspace)
{
WARN("failed to create colorspace\n");
return NULL;
}
data = CFDataCreate(NULL, (UInt8*)color_bits, color_size);
if (!data)
{
WARN("failed to create data\n");
CGColorSpaceRelease(colorspace);
return NULL;
}
provider = CGDataProviderCreateWithCFData(data);
CFRelease(data);
if (!provider)
{
WARN("failed to create data provider\n");
CGColorSpaceRelease(colorspace);
return NULL;
}
cgimage = CGImageCreate(width, height, 8, 32, width * 4, colorspace,
alpha_format | kCGBitmapByteOrder32Little,
provider, NULL, FALSE, kCGRenderingIntentDefault);
CGDataProviderRelease(provider);
CGColorSpaceRelease(colorspace);
if (!cgimage)
{
WARN("failed to create image\n");
return NULL;
}
/* if no alpha channel was drawn then generate it from the mask */
if (!has_alpha)
{
unsigned int width_bytes = (width + 31) / 32 * 4;
CGImageRef cgmask, temp;
/* draw the cursor mask to a temporary buffer */
memset(mask_bits, 0xFF, mask_size);
SelectObject(hdc, hbmMask);
if (!DrawIconEx(hdc, 0, 0, icon, width, height, istep, NULL, DI_MASK))
{
WARN("Failed to draw frame mask %d.\n", istep);
CGImageRelease(cgimage);
return NULL;
}
data = CFDataCreate(NULL, (UInt8*)mask_bits, mask_size);
if (!data)
{
WARN("failed to create data\n");
CGImageRelease(cgimage);
return NULL;
}
provider = CGDataProviderCreateWithCFData(data);
CFRelease(data);
if (!provider)
{
WARN("failed to create data provider\n");
CGImageRelease(cgimage);
return NULL;
}
cgmask = CGImageMaskCreate(width, height, 1, 1, width_bytes, provider, NULL, FALSE);
CGDataProviderRelease(provider);
if (!cgmask)
{
WARN("failed to create mask\n");
CGImageRelease(cgimage);
return NULL;
}
temp = CGImageCreateWithMask(cgimage, cgmask);
CGImageRelease(cgmask);
CGImageRelease(cgimage);
if (!temp)
{
WARN("failed to create masked image\n");
return NULL;
}
cgimage = temp;
}
return cgimage;
}
/***********************************************************************
* create_cursor_frame
*