Another question, Is it possible that new(create) several canvas on the screen at one time?
2011/4/28 Romain Guy <[email protected]>: > You cannot draw outside of a bitmap and see it... since it's outside. You > can apply a transform on the Canvas to bring the text back in View (for > instance, do translate(-120, 0) then drawText(120, 0) will be like drawing > text at 0,0). > > On Wed, Apr 27, 2011 at 10:00 PM, a a <[email protected]> wrote: >> >> Yes, it can see nothing. I wan't to draw the text outside and can see it. >> >> 2011/4/28 Romain Guy <[email protected]>: >> > You can draw outside, but nothing will happen. >> > >> > On Wed, Apr 27, 2011 at 9:52 PM, a a <[email protected]> wrote: >> >> >> >> Dear All, >> >> >> >> The Canvas class holds the "draw" calls. To draw something, you need 4 >> >> basic components: A Bitmap to hold the pixels, a Canvas to host the >> >> draw calls (writing into the bitmap), a drawing primitive (e.g. Rect, >> >> Path, text, Bitmap), and a paint (to describe the colors and styles >> >> for the drawing). >> >> >> >> Above is google SDK document. >> >> ---------------------------------------------------------- >> >> >> >> I have a question, I have a small bitmap (50 * 60), init the canvas >> >> with this bitmap. Can we only draw text on this scope(50*60)? >> >> >> >> How can we draw outside this bitmap(50*60) ? >> >> >> >> I try the canvas.clipRect(0, 0, 512, 512); and want to draw at (100, >> >> 150), but it can't work. >> >> >> >> -- >> >> You received this message because you are subscribed to the Google >> >> Groups "Android Developers" group. >> >> To post to this group, send email to >> >> [email protected] >> >> To unsubscribe from this group, send email to >> >> [email protected] >> >> For more options, visit this group at >> >> http://groups.google.com/group/android-developers?hl=en >> > >> > >> > >> > -- >> > Romain Guy >> > Android framework engineer >> > [email protected] >> > >> > Note: please don't send private questions to me, as I don't have time to >> > provide private support. All such questions should be posted on public >> > forums, where I and others can see and answer them >> > >> > -- >> > You received this message because you are subscribed to the Google >> > Groups "Android Developers" group. >> > To post to this group, send email to [email protected] >> > To unsubscribe from this group, send email to >> > [email protected] >> > For more options, visit this group at >> > http://groups.google.com/group/android-developers?hl=en >> >> -- >> You received this message because you are subscribed to the Google >> Groups "Android Developers" group. >> To post to this group, send email to [email protected] >> To unsubscribe from this group, send email to >> [email protected] >> For more options, visit this group at >> http://groups.google.com/group/android-developers?hl=en > > > > -- > Romain Guy > Android framework engineer > [email protected] > > Note: please don't send private questions to me, as I don't have time to > provide private support. All such questions should be posted on public > forums, where I and others can see and answer them > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
