uGFX/ugfx
2
0
Fork 0
Code Issues 2 Pull requests Projects Releases Wiki Activity

Add gdispImageIsOpen() function.

Browse source
This commit is contained in:
inmarket 2013-07-01 17:36:47 +10:00
parent d45bba45e1
commit dd43a37b9b
2 changed files with 22 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
include/gdisp/image.h
View file

@ -185,7 +185,7 @@ extern "C" {
gdispImageError gdispImageOpen(gdispImage *img); gdispImageError gdispImageOpen(gdispImage *img);
/** /**
* @brief Close an image and release any dynamicly allocated working storage. * @brief Close an image and release any dynamically allocated working storage.
* *
* @param[in] img The image structure * @param[in] img The image structure
* *
@ -195,6 +195,19 @@ extern "C" {
*/ */
void gdispImageClose(gdispImage *img); void gdispImageClose(gdispImage *img);
/**
* @brief Is an image open.
* @return TRUE if the image is currently open.
*
* @param[in] img The image structure
*
* @note Be careful with calling this on an uninitialized image structure as the image
* will contain random data which may be interpreted as meaning the image
* is open. Clearing the Image structure to 0's will guarantee the image
* is seen as being closed.
*/
bool_t gdispImageIsOpen(gdispImage *img);
/** /**
* @brief Set the background color of the image. * @brief Set the background color of the image.
* *

8
src/gdisp/image.c
View file

@ -184,6 +184,14 @@ void gdispImageClose(gdispImage *img) {
img->fns->close(img); img->fns->close(img);
else else
img->io.fns->close(&img->io); img->io.fns->close(&img->io);
img->type = GDISP_IMAGE_TYPE_UNKNOWN;
img->flags = 0;
img->fns = 0;
img->priv = 0;
}
bool_t gdispImageIsOpen(gdispImage *img) {
return img->type != GDISP_IMAGE_TYPE_UNKNOWN && img->fns != 0;
} }
void gdispImageSetBgColor(gdispImage *img, color_t bgcolor) { void gdispImageSetBgColor(gdispImage *img, color_t bgcolor) {