Skip to content

Commit a5d616e

Browse files
pikacodepikacode
committed
update
1 parent 06439ff commit a5d616e

5 files changed

Lines changed: 2 additions & 270 deletions

File tree

‎EBForeNotification/Classes/UIImage+ColorAtPoint.h‎

Lines changed: 0 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -10,6 +10,4 @@
1010

1111
@interface UIImage (ColorAtPoint)
1212
+(UIColor *)colorAtPoint:(CGPoint)point;
13-
+(UIImage *)fullScreenshots;
14-
+(UIColor*) getPixelColorAtLocation:(CGPoint)point withImage:(UIImage*) image;
1513
@end

‎EBForeNotification/Classes/UIImage+ColorAtPoint.m‎

Lines changed: 1 addition & 133 deletions
Original file line numberDiff line numberDiff line change
@@ -18,14 +18,10 @@ +(UIColor *)colorAtPoint:(CGPoint)point{
1818

1919
UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext();
2020

21-
2221
if (!CGRectContainsPoint(CGRectMake(0.0f, 0.0f, viewImage.size.width, viewImage.size.height), point)) {
23-
2422
return nil;
25-
2623
}
2724

28-
2925
NSInteger pointX = trunc(point.x);
3026

3127
NSInteger pointY = trunc(point.y);
@@ -46,19 +42,7 @@ +(UIColor *)colorAtPoint:(CGPoint)point{
4642

4743
unsigned char pixelData[4] = { 0, 0, 0, 0 };
4844

49-
CGContextRef context = CGBitmapContextCreate(pixelData,
50-
51-
1,
52-
53-
1,
54-
55-
bitsPerComponent,
56-
57-
bytesPerRow,
58-
59-
colorSpace,
60-
61-
kCGImageAlphaPremultipliedLast | kCGBitmapByteOrder32Big);
45+
CGContextRef context = CGBitmapContextCreate(pixelData, 1, 1, bitsPerComponent, bytesPerRow, colorSpace, kCGImageAlphaPremultipliedLast | kCGBitmapByteOrder32Big);
6246

6347
CGColorSpaceRelease(colorSpace);
6448

@@ -86,120 +70,4 @@ +(UIColor *)colorAtPoint:(CGPoint)point{
8670
return [UIColor colorWithRed:red green:green blue:blue alpha:alpha];
8771
}
8872

89-
90-
+(UIImage *)fullScreenshots{
91-
92-
UIWindow *screenWindow = [[UIApplication sharedApplication] keyWindow];
93-
UIGraphicsBeginImageContext(screenWindow.frame.size);//全屏截图，包括window
94-
95-
[screenWindow.layer renderInContext:UIGraphicsGetCurrentContext()];
96-
97-
UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext();
98-
99-
100-
return viewImage;
101-
102-
}
103-
104-
+(UIColor*) getPixelColorAtLocation:(CGPoint)point withImage:(UIImage*) image {
105-
UIColor* color = nil;
106-
CGImageRef inImage = image.CGImage;
107-
// Create off screen bitmap context to draw the image into. Format ARGB is 4 bytes for each pixel: Alpa, Red, Green, Blue
108-
CGContextRef cgctx = [self createARGBBitmapContextFromImage:inImage];
109-
if (cgctx == NULL) { return nil; }
110-
111-
size_t w = CGImageGetWidth(inImage);
112-
size_t h = CGImageGetHeight(inImage);
113-
CGRect rect = {{0,0},{w,h}};
114-
115-
// Draw the image to the bitmap context. Once we draw, the memory
116-
// allocated for the context for rendering will then contain the
117-
// raw image data in the specified color space.
118-
CGContextDrawImage(cgctx, rect, inImage);
119-
120-
// Now we can get a pointer to the image data associated with the bitmap
121-
// context.
122-
unsigned char* data = CGBitmapContextGetData (cgctx);
123-
if (data != NULL) {
124-
//offset locates the pixel in the data from x,y.
125-
//4 for 4 bytes of data per pixel, w is width of one row of data.
126-
@try {
127-
int offset = 4*((w*round(point.y))+round(point.x));
128-
NSLog(@"offset: %d", offset);
129-
int alpha = data[offset];
130-
int red = data[offset+1];
131-
int green = data[offset+2];
132-
int blue = data[offset+3];
133-
NSLog(@"offset: %i colors: RGB A %i %i %i %i",offset,red,green,blue,alpha);
134-
color = [UIColor colorWithRed:(red/255.0f) green:(green/255.0f) blue:(blue/255.0f) alpha:(alpha/255.0f)];
135-
}
136-
@catch (NSException * e) {
137-
NSLog(@"%@",[e reason]);
138-
}
139-
@finally {
140-
}
141-
142-
}
143-
144-
return color;
145-
}
146-
+ (CGContextRef) createARGBBitmapContextFromImage:(CGImageRef) inImage {
147-
148-
CGContextRef context = NULL;
149-
CGColorSpaceRef colorSpace;
150-
void * bitmapData;
151-
int bitmapByteCount;
152-
int bitmapBytesPerRow;
153-
154-
// Get image width, height. We'll use the entire image.
155-
size_t pixelsWide = CGImageGetWidth(inImage);
156-
size_t pixelsHigh = CGImageGetHeight(inImage);
157-
158-
// Declare the number of bytes per row. Each pixel in the bitmap in this
159-
// example is represented by 4 bytes; 8 bits each of red, green, blue, and
160-
// alpha.
161-
bitmapBytesPerRow = (pixelsWide * 4);
162-
bitmapByteCount = (bitmapBytesPerRow * pixelsHigh);
163-
164-
// Use the generic RGB color space.
165-
colorSpace = CGColorSpaceCreateDeviceRGB();
166-
167-
if (colorSpace == NULL)
168-
{
169-
fprintf(stderr, "Error allocating color spacen");
170-
return NULL;
171-
}
172-
173-
// Allocate memory for image data. This is the destination in memory
174-
// where any drawing to the bitmap context will be rendered.
175-
bitmapData = malloc( bitmapByteCount );
176-
if (bitmapData == NULL)
177-
{
178-
fprintf (stderr, "Memory not allocated!");
179-
CGColorSpaceRelease( colorSpace );
180-
return NULL;
181-
}
182-
183-
// Create the bitmap context. We want pre-multiplied ARGB, 8-bits
184-
// per component. Regardless of what the source image format is
185-
// (CMYK, Grayscale, and so on) it will be converted over to the format
186-
// specified here by CGBitmapContextCreate.
187-
context = CGBitmapContextCreate (bitmapData,
188-
pixelsWide,
189-
pixelsHigh,
190-
8, // bits per component
191-
bitmapBytesPerRow,
192-
colorSpace,
193-
kCGImageAlphaPremultipliedFirst);
194-
if (context == NULL)
195-
{
196-
free (bitmapData);
197-
fprintf (stderr, "Context not created!");
198-
}
199-
// Make sure and release colorspace before returning
200-
CGColorSpaceRelease( colorSpace );
201-
202-
return context;
203-
}
204-
20573
@end

‎demo/iOS-Foreground-Push-Notification/iOS-Foreground-Push-Notification.xcodeproj/project.xcworkspace/xcuserdata/wuxingchen.xcuserdatad/UserInterfaceState.xcuserstate‎

1.7 KB
Binary file not shown.

‎demo/iOS-Foreground-Push-Notification/iOS-Foreground-Push-Notification/EBForeNotification/Classes/UIImage+ColorAtPoint.h‎

Lines changed: 0 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -10,6 +10,4 @@
1010

1111
@interface UIImage (ColorAtPoint)
1212
+(UIColor *)colorAtPoint:(CGPoint)point;
13-
+(UIImage *)fullScreenshots;
14-
+(UIColor*) getPixelColorAtLocation:(CGPoint)point withImage:(UIImage*) image;
1513
@end

‎demo/iOS-Foreground-Push-Notification/iOS-Foreground-Push-Notification/EBForeNotification/Classes/UIImage+ColorAtPoint.m‎

Lines changed: 1 addition & 133 deletions
Original file line numberDiff line numberDiff line change
@@ -18,14 +18,10 @@ +(UIColor *)colorAtPoint:(CGPoint)point{
1818

1919
UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext();
2020

21-
2221
if (!CGRectContainsPoint(CGRectMake(0.0f, 0.0f, viewImage.size.width, viewImage.size.height), point)) {
23-
2422
return nil;
25-
2623
}
2724

28-
2925
NSInteger pointX = trunc(point.x);
3026

3127
NSInteger pointY = trunc(point.y);
@@ -46,19 +42,7 @@ +(UIColor *)colorAtPoint:(CGPoint)point{
4642

4743
unsigned char pixelData[4] = { 0, 0, 0, 0 };
4844

49-
CGContextRef context = CGBitmapContextCreate(pixelData,
50-
51-
1,
52-
53-
1,
54-
55-
bitsPerComponent,
56-
57-
bytesPerRow,
58-
59-
colorSpace,
60-
61-
kCGImageAlphaPremultipliedLast | kCGBitmapByteOrder32Big);
45+
CGContextRef context = CGBitmapContextCreate(pixelData, 1, 1, bitsPerComponent, bytesPerRow, colorSpace, kCGImageAlphaPremultipliedLast | kCGBitmapByteOrder32Big);
6246

6347
CGColorSpaceRelease(colorSpace);
6448

@@ -86,120 +70,4 @@ +(UIColor *)colorAtPoint:(CGPoint)point{
8670
return [UIColor colorWithRed:red green:green blue:blue alpha:alpha];
8771
}
8872

89-
90-
+(UIImage *)fullScreenshots{
91-
92-
UIWindow *screenWindow = [[UIApplication sharedApplication] keyWindow];
93-
UIGraphicsBeginImageContext(screenWindow.frame.size);//全屏截图，包括window
94-
95-
[screenWindow.layer renderInContext:UIGraphicsGetCurrentContext()];
96-
97-
UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext();
98-
99-
100-
return viewImage;
101-
102-
}
103-
104-
+(UIColor*) getPixelColorAtLocation:(CGPoint)point withImage:(UIImage*) image {
105-
UIColor* color = nil;
106-
CGImageRef inImage = image.CGImage;
107-
// Create off screen bitmap context to draw the image into. Format ARGB is 4 bytes for each pixel: Alpa, Red, Green, Blue
108-
CGContextRef cgctx = [self createARGBBitmapContextFromImage:inImage];
109-
if (cgctx == NULL) { return nil; }
110-
111-
size_t w = CGImageGetWidth(inImage);
112-
size_t h = CGImageGetHeight(inImage);
113-
CGRect rect = {{0,0},{w,h}};
114-
115-
// Draw the image to the bitmap context. Once we draw, the memory
116-
// allocated for the context for rendering will then contain the
117-
// raw image data in the specified color space.
118-
CGContextDrawImage(cgctx, rect, inImage);
119-
120-
// Now we can get a pointer to the image data associated with the bitmap
121-
// context.
122-
unsigned char* data = CGBitmapContextGetData (cgctx);
123-
if (data != NULL) {
124-
//offset locates the pixel in the data from x,y.
125-
//4 for 4 bytes of data per pixel, w is width of one row of data.
126-
@try {
127-
int offset = 4*((w*round(point.y))+round(point.x));
128-
NSLog(@"offset: %d", offset);
129-
int alpha = data[offset];
130-
int red = data[offset+1];
131-
int green = data[offset+2];
132-
int blue = data[offset+3];
133-
NSLog(@"offset: %i colors: RGB A %i %i %i %i",offset,red,green,blue,alpha);
134-
color = [UIColor colorWithRed:(red/255.0f) green:(green/255.0f) blue:(blue/255.0f) alpha:(alpha/255.0f)];
135-
}
136-
@catch (NSException * e) {
137-
NSLog(@"%@",[e reason]);
138-
}
139-
@finally {
140-
}
141-
142-
}
143-
144-
return color;
145-
}
146-
+ (CGContextRef) createARGBBitmapContextFromImage:(CGImageRef) inImage {
147-
148-
CGContextRef context = NULL;
149-
CGColorSpaceRef colorSpace;
150-
void * bitmapData;
151-
int bitmapByteCount;
152-
int bitmapBytesPerRow;
153-
154-
// Get image width, height. We'll use the entire image.
155-
size_t pixelsWide = CGImageGetWidth(inImage);
156-
size_t pixelsHigh = CGImageGetHeight(inImage);
157-
158-
// Declare the number of bytes per row. Each pixel in the bitmap in this
159-
// example is represented by 4 bytes; 8 bits each of red, green, blue, and
160-
// alpha.
161-
bitmapBytesPerRow = (pixelsWide * 4);
162-
bitmapByteCount = (bitmapBytesPerRow * pixelsHigh);
163-
164-
// Use the generic RGB color space.
165-
colorSpace = CGColorSpaceCreateDeviceRGB();
166-
167-
if (colorSpace == NULL)
168-
{
169-
fprintf(stderr, "Error allocating color spacen");
170-
return NULL;
171-
}
172-
173-
// Allocate memory for image data. This is the destination in memory
174-
// where any drawing to the bitmap context will be rendered.
175-
bitmapData = malloc( bitmapByteCount );
176-
if (bitmapData == NULL)
177-
{
178-
fprintf (stderr, "Memory not allocated!");
179-
CGColorSpaceRelease( colorSpace );
180-
return NULL;
181-
}
182-
183-
// Create the bitmap context. We want pre-multiplied ARGB, 8-bits
184-
// per component. Regardless of what the source image format is
185-
// (CMYK, Grayscale, and so on) it will be converted over to the format
186-
// specified here by CGBitmapContextCreate.
187-
context = CGBitmapContextCreate (bitmapData,
188-
pixelsWide,
189-
pixelsHigh,
190-
8, // bits per component
191-
bitmapBytesPerRow,
192-
colorSpace,
193-
kCGImageAlphaPremultipliedFirst);
194-
if (context == NULL)
195-
{
196-
free (bitmapData);
197-
fprintf (stderr, "Context not created!");
198-
}
199-
// Make sure and release colorspace before returning
200-
CGColorSpaceRelease( colorSpace );
201-
202-
return context;
203-
}
204-
20573
@end

0 commit comments

Comments
 (0)