bitmap

Dear community, here is a snip about NEW rendering of any node in any size you want. Yery useful: the original Node is not altered. Works with B4J, not tested with B4A. Enjoy Private Sub RenderNode (factorX As Double, factorY as Double, sourceView As B4XView) As B4XBitmap Dim...

I like to customize the native toastmessageshow by using CSBuilder. It works fine but there is on thing left attached bitmaps are not shown in the toast. Instead the B4X Logo is shown. Dim cs As CSBuilder cs.Initialize cs.Alignment("ALIGN_CENTER") cs.Append("Call Center")...

Good Day, I need to copy an image (Bitmap) to an Escel cell. I am using Erels Excel Library. As I see in the forum there is no new B4A solution published. Anyone has a proposal how to do it? Piece of Code should be fine. Thank you.

Hi, I want to ask a little question. I have a project that take 8 image using camera intent. I put the picture in B4XImageView, after that I get the bitmap and save it to SQLite. Few reason why I must save to SQLite. - I need to send this bitmap (will be converted to Base64) to web server via...

I want to extract the image in a bitmap using a webview and javascript commands. The code on the web page looks like that: <canvas class="mypic" id="mpcanvas0" width="1024" height="100" >test</canvas> The image is dynamically changed. If I try: Dim js As String js = $"B4A.CallSub('pic_cb'...

Hello, How can I shift a bitmap vertically with 1 pixel in B4J and then add a new line at the bottom from a byte array? In b4A I'm using BitmapExtended library, but this one is not available in B4J. Thank you.

hi i send image with c# server to b4a tcp client and after get error load bitmap error. this code very good work for udp just error in tcp from b4a i think problem for tcp b4a img = Image.FromFile(@"C:\Users\at\Pictures\download.jpeg"); ms = new MemoryStream()...

Hello All, I need to grab a pre existing image, generate a qrcode as a second image, set up a canvas, set them side by side and save the canvas as a single image. What am I doing wrong since I always get an empty image in the right area. I have tried to set both as the first existing image and...

Hi Guys I have a problem with some old code that now throws an error when compiled using the latest version of B4i v7.50 but only on a devices running iOS14.6 - OK on a device running iOS 12.5.4. The same code is cross platform and runs OK on Android devices. B4i forms designer has a ImageView...

The code doesn't use any library, the SPI is set by inline C. Using 1.8" TFT with ST7735 driver, displaying universal 5x7 fonts for 0 to 9. The code works only for ATMEGA328, I used Arduino Nano. Voltage input at A0. Bitmap is BMP of 16 (5:6:5) bit color, it uses about 85% of the RAM. ' TFT...

Hi All, Maybe this is a silly question, i'm getting blurry/distorted images when appending images to CSBuilder. I use the resize function on initialize bitmap to adjust images before adding them to the builder. I'm using the code on this post to perform the append image...

Hi everyone. From today the instruction .Rotate for a bitmap is behaving in a strange way. I think the only thing changed is that I update to iOS 14.3. My tests The code Sub Cam_Complete(Success As Boolean, Image as Bitmap, VideoPath As String) If Success Then If...

Hello!, i'm trying to capture a webview and it doesn't come out complete I do not know what the error is, I attach project

The code below takes a picture, saves and loads it back. However, the image after the code execution is not scaled as in the preview, it looks as if cropped and then resized to the view. Sub TakePicture Wait For(cam.FocusAndTakePicture(MyTaskIndex)) Complete (Data() As Byte)...

i download an image and place it into a B4XView. I would also like to use the same image in another B4XView. How can I transfer the image so I don't have to download it twice? Thanks

Hi everyone, I've a round button (with border), but i want to insert a bitmap into too. i'm trying to achieve the same effect i've done in my iOS app. It's possibile to this thing? Thanks in advance!

hi, i wanted to know if there is a way to put an svg as image in a button (int the bitmap properity) Thanks in advance!

My question is how to write image data held in a buffer to a bitmap for subsequent display in imageview or further manipulation? With reference to the library I'm working on in this post, I am successfully capturing video frames sent via NDI with the data of each frame stored in a ByteBuffer...

I am still struggling with printing. PDF printing creates random errors, so I am exploring bitmap printing. But to get to 300 dpi requires a picture 2550x3300 for a letter size printing. As a result, the resulting default bitmap format chokes the printer. Would it be possible to use a less...

I needed to draw a bitmap rotated from the upper-left corner, not the center of the image as the canvas DrawBitmapRotated function does. After looking up the math and coding this again for the I-don't-know-how-many time, I decided to post it here so I could find it quickly in the future, or...