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[ios] Added UIImage creation from raw RGBA data.

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This commit is contained in:
Ilya Grechuhin 2016-09-09 10:56:00 +03:00
parent 4da7260efd
commit 96d7643b05
3 changed files with 41 additions and 0 deletions
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8
iphone/Maps/Maps.xcodeproj/project.pbxproj
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@ -309,6 +309,8 @@
34DCDE3B1C75CE1F00652CAC /* MWMOpeningHoursDeleteScheduleTableViewCell.mm in Sources */ = {isa = PBXBuildFile; fileRef = 347FD85A1C60B2CE002FB65E /* MWMOpeningHoursDeleteScheduleTableViewCell.mm */; };
34DDD5341BFDB0B600407F2F /* MWMMapDownloaderViewController.mm in Sources */ = {isa = PBXBuildFile; fileRef = 342AF0DF1BE24E9A0016F3AE /* MWMMapDownloaderViewController.mm */; };
34DDD5351BFDB0C600407F2F /* MWMBaseMapDownloaderViewController.mm in Sources */ = {isa = PBXBuildFile; fileRef = 341223BA1BEB58FA007227E9 /* MWMBaseMapDownloaderViewController.mm */; };
34E0B8491D7EED0C00735786 /* UIImage+RGBAData.mm in Sources */ = {isa = PBXBuildFile; fileRef = 34E0B8481D7EED0C00735786 /* UIImage+RGBAData.mm */; };
34E0B84A1D7EED0C00735786 /* UIImage+RGBAData.mm in Sources */ = {isa = PBXBuildFile; fileRef = 34E0B8481D7EED0C00735786 /* UIImage+RGBAData.mm */; };
34E0EECE1CC51B1D008E4919 /* MWMMapDownloaderButtonTableViewCell.mm in Sources */ = {isa = PBXBuildFile; fileRef = 34E0EECC1CC51B1D008E4919 /* MWMMapDownloaderButtonTableViewCell.mm */; };
34E0EECF1CC51B1D008E4919 /* MWMMapDownloaderButtonTableViewCell.mm in Sources */ = {isa = PBXBuildFile; fileRef = 34E0EECC1CC51B1D008E4919 /* MWMMapDownloaderButtonTableViewCell.mm */; };
34E0EED01CC51B1D008E4919 /* MWMMapDownloaderButtonTableViewCell.xib in Resources */ = {isa = PBXBuildFile; fileRef = 34E0EECD1CC51B1D008E4919 /* MWMMapDownloaderButtonTableViewCell.xib */; };
@ -1199,6 +1201,8 @@
34D37E151CD2373C001DEFC3 /* MWMMapDownloaderCellHeader.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MWMMapDownloaderCellHeader.h; sourceTree = "<group>"; };
34D37E161CD2373C001DEFC3 /* MWMMapDownloaderCellHeader.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = MWMMapDownloaderCellHeader.mm; sourceTree = "<group>"; };
34DCDE3D1C76195F00652CAC /* MWMMapDownloaderProtocol.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MWMMapDownloaderProtocol.h; sourceTree = "<group>"; };
34E0B8471D7EEC2A00735786 /* UIImage+RGBAData.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "UIImage+RGBAData.h"; sourceTree = "<group>"; };
34E0B8481D7EED0C00735786 /* UIImage+RGBAData.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = "UIImage+RGBAData.mm"; sourceTree = "<group>"; };
34E0EECA1CC4F36B008E4919 /* MWMMapDownloaderTypes.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MWMMapDownloaderTypes.h; sourceTree = "<group>"; };
34E0EECB1CC51B1D008E4919 /* MWMMapDownloaderButtonTableViewCell.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MWMMapDownloaderButtonTableViewCell.h; sourceTree = "<group>"; };
34E0EECC1CC51B1D008E4919 /* MWMMapDownloaderButtonTableViewCell.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = MWMMapDownloaderButtonTableViewCell.mm; sourceTree = "<group>"; };
@ -2554,6 +2558,8 @@
F64DA8011C524BDE00330E9E /* UISwitch+RuntimeAttributes.m */,
34FED54E1D21121000183B1B /* CLLocation+Mercator.h */,
34FED54F1D21121000183B1B /* CLLocation+Mercator.mm */,
34E0B8471D7EEC2A00735786 /* UIImage+RGBAData.h */,
34E0B8481D7EED0C00735786 /* UIImage+RGBAData.mm */,
);
name = Categories;
sourceTree = "<group>";
@ -3650,6 +3656,7 @@
342EE4111C43DAA7009F6A49 /* MWMAuthorizationWebViewLoginViewController.mm in Sources */,
3438CDFC1B862F5C0051AA78 /* MWMSearchContentView.mm in Sources */,
34479C7C1C60C6130065D261 /* MWMFrameworkListener.mm in Sources */,
34E0B8491D7EED0C00735786 /* UIImage+RGBAData.mm in Sources */,
3485C0121B85C20E00F7712D /* MWMSearchTableViewController.mm in Sources */,
345A2DCB1D0B0EB600A7DD39 /* MWMWhatsNewBookingBicycleRoutingController.mm in Sources */,
34D37E171CD2373C001DEFC3 /* MWMMapDownloaderCellHeader.mm in Sources */,
@ -3877,6 +3884,7 @@
F6791B141C43DF0B007A8A6E /* MWMStartButton.mm in Sources */,
34DDD5351BFDB0C600407F2F /* MWMBaseMapDownloaderViewController.mm in Sources */,
6741A9CE1BF340DE002C974C /* MWMSearchManager.mm in Sources */,
34E0B84A1D7EED0C00735786 /* UIImage+RGBAData.mm in Sources */,
F64D9CA01C899C350063FA30 /* MWMEditorViralAlert.mm in Sources */,
345A2DCC1D0B0EB600A7DD39 /* MWMWhatsNewBookingBicycleRoutingController.mm in Sources */,
34D37E181CD2373C001DEFC3 /* MWMMapDownloaderCellHeader.mm in Sources */,

5
iphone/Maps/UIImage+RGBAData.h Normal file
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@ -0,0 +1,5 @@
@interface UIImage (RGBAData)
+ (UIImage *)imageWithRGBAData:(NSData *)data width:(size_t)width height:(size_t)height;
@end

28
iphone/Maps/UIImage+RGBAData.mm Normal file
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@ -0,0 +1,28 @@
#import "UIImage+RGBAData.h"
@implementation UIImage (RGBAData)
+ (UIImage *)imageWithRGBAData:(NSData *)data width:(size_t)width height:(size_t)height
{
size_t constexpr bytesPerPixel = 4;
size_t constexpr bitsPerComponent = 8;
size_t constexpr bitsPerPixel = bitsPerComponent * bytesPerPixel;
size_t const bytesPerRow = bytesPerPixel * width;
bool constexpr shouldInterpolate = true;
CGBitmapInfo constexpr bitmapInfo = kCGBitmapByteOrderDefault | kCGImageAlphaLast;
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
CGDataProviderRef provider = CGDataProviderCreateWithData(NULL, data.bytes, height * bytesPerRow, NULL);
CGImageRef cgImage = CGImageCreate(width, height, bitsPerComponent, bitsPerPixel, bytesPerRow, colorSpace, bitmapInfo, provider, NULL, shouldInterpolate, kCGRenderingIntentDefault);
UIImage * image = [UIImage imageWithCGImage:cgImage];
CGColorSpaceRelease(colorSpace);
CGDataProviderRelease(provider);
CGImageRelease(cgImage);
return image;
}
@end