drawing
Delphi TDBGrid How to change selected color when style is gdsGradient
I\'m just trying to use delphi XE, before that I\'ve been a big fan of Delphi7. I see the new dbgrid allows to use themed and gradient styles.[详细]
2023-04-07 09:25 分类:问答How to prevent UI from redrawing every control one by one
In my user control I perform a lengthy operation. In order to prevent users from clicking the UI, I show a progress bar and I disable the whole UI, like this:[详细]
2023-04-07 06:33 分类:问答Is there a high level shape drawing API for C or C++?
I am starting a new project (Windows application), which needs a simple graphical interface.The graphics are not the main point of the application, the algorithms behind them are, so I\'d like to spen[详细]
2023-04-07 01:42 分类:问答Understanding UIGraphicsGetCurrentContext()
I\'m trying to understand Quartz and getting the context you have to draw on.If I have a function where I create a context, but then I call another function开发者_开发知识库 to some other drawing to t[详细]
2023-04-06 21:04 分类:问答How can I make a progress indicator in a listview by coloring the background partly?
For my podcast app I have a listv开发者_运维知识库iew with the downloaded episodes. The user can click on one of the items and it will play. When it\'s finished it will play the next in the list and s[详细]
2023-04-06 07:45 分类:问答c++ win32 where to draw a meter
I need to draw a meter using simple rectangles in a win32 app using开发者_如何学C c++. What would be the best method to draw a meter in a window (it should be redrawn, every 10ms)? Should i draw it di[详细]
2023-04-06 02:44 分类:问答android drawing lines on horizontal scroll view
hello i have released my iphone app Micro-Pitch and am now porting it to android. I cannot figure out how to draw lines in a scroll view and am wondering what i am doing wrong.[详细]
2023-04-06 02:40 分类:问答Drawing a compound image from smaller images
I want to draw an image on canvas constituted from smaller images, and make the new compound image scroll-able both horizontally and vert开发者_JAVA百科ically as well as enable zoom-in, zoom-out and p[详细]
2023-04-06 00:57 分类:问答Drawing Layers over ImageView in Android
Can anyone guide me how can I put different drawing layers on an Image which is shown over ImageView component.[详细]
2023-04-03 23:21 分类:问答In CoreGraphics drawing how can I keep the point of overlap from being darker than the rest of the line?
My app uses core graphics for custom finger paint drawing. I allow the user to change the alpha of the line and a new line is continuously drawn on touches moved. When I make the alpha lower than 1.0[详细]
2023-04-03 16:25 分类:问答