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CComponentsPicture: add more comments an debug lines, remove useless init

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Thilo Graf
2016-02-07 14:41:37 +01:00
parent 93777853f0
commit 7ed5b5b886
1 changed files with 35 additions and 18 deletions
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53
src/gui/components/cc_item_picture.cpp
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@@ -148,10 +148,11 @@ void CComponentsPicture::setHeight(const int& h, bool keep_aspect)
void CComponentsPicture::initCCItem()
{
if (pic_name.empty() || !need_init){
dprintf(DEBUG_DEBUG, "[CComponentsPicture] %s - %d : no image file assigned...\n", __func__, __LINE__);
dprintf(DEBUG_DEBUG, "[CComponentsPicture] %s - %d : no init required [file: %s] [need init: %d]...\n", __func__, __LINE__, pic_name.c_str(), need_init);
return;
}
need_init = false; //avoid new init if not required
//reset condition for new init
need_init = false;
//check for path or name, set icon or image with full path, has no path, then use as icon and disble scale mode
string::size_type pos = pic_name.find("/", 0);
@@ -163,8 +164,13 @@ void CComponentsPicture::initCCItem()
//use image/icon size as object dimension values
frameBuffer->getIconSize(pic_name.c_str(), &width, &height);
/*if we have an image with full path => fallback to pv methode.
/* frameBuffer->getIconSize() normally evaluates only icon names, no paths.
* So it is possible that we have wrong dimension values.
* So we fall back to picture viewer methode.
* That's always a cramp, why we don't have an unified solution in render classes?
* Anyway...this is only a workaround, otherwies it is possible, that dimension values are wrong or = 0 and
* this could lead to problems if external items are reliant on these values,
* and in worst case, no image would be painted!
*/
if (width == 0 || height == 0){
int dx_tmp, dy_tmp;
@@ -174,35 +180,47 @@ void CComponentsPicture::initCCItem()
if (height == 0)
height = dy_tmp;
}
/* leave init methode here if we in no scale mode
* otherwise goto next step!
*/
return;
}
else{ //initialized scaled size
//first get real image dimensions
else{ /* Here we are in scale mode
* first check current item dimensions (width/height) and for different values and
* check internal dimension values (dx/dy) and ensure that values are >0
* real image size
*/
if ((dx != width || dy != height) || (dx == 0 || dy == 0))
g_PicViewer->getSize(pic_name.c_str(), &dx, &dy);
}
//ensure filled inital values
/* on next step check item dimensions (width/height) for 0 values
* and fill with current internal (dx/dy) dimension values.
* values <= 0 are not allowed
*/
if (width == 0)
width = dx;
if (height == 0)
height = dy;
//check dimensions, leave if dimensions are equal
/* on next step, check dimensions and
* leave if dimensions are equal
*/
if (width == dx && height == dy)
return;
#if 0
//clean up possible cache on changed dimensions
clearCache();
#endif
//temporarily vars
/* finally handle scale behavior
* This evaluates the parameters given
* by setters setWidth/setHeight
*/
//resize image and apply current assigned scale values
int w_2scale = width;
int h_2scale = height;
//resize image and set current dimensions
g_PicViewer->rescaleImageDimensions(&width, &height, w_2scale, h_2scale);
//handle aspect ratio
/* these steps are required to assign the current image dimensions to item dimensions
*/
if (keep_dx_aspect){
float h_ratio = float(height)*100/(float)dy;
width = int(h_ratio*(float)dx/100);
@@ -231,7 +249,6 @@ void CComponentsPicture::initPosition(int *x_position, int *y_position)
void CComponentsPicture::getSize(int* width_image, int *height_image)
{
initCCItem();
*width_image = width;
*height_image = height;
}
@@ -281,8 +298,8 @@ void CComponentsPicture::paintPicture()
frameBuffer->SetTransparentDefault();
if (enable_cache){
dprintf(DEBUG_DEBUG, "\033[31m[CComponentsPicture] %s - %d: create cached image from pic_name=%s\033[0m\n", __func__, __LINE__, pic_name.c_str());
dxc = width;
dyc = height;
dxc = width-2*fr_thickness;
dyc = height-2*fr_thickness;
image_cache = getScreen(x_pic, y_pic, dxc, dyc);
}
}else{