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comparison android/dw.cpp @ 2852:5018df4f952e

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Win/Android/Template: Add return values to dw_window_set_bitmap(_from_data). Also update the readme regarding this change.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Tue, 15 Nov 2022 00:34:20 +0000
parents da90bf6d0564
children de1a0cd26691
comparison
equal deleted inserted replaced
2851:fdd21139c07f 2852:5018df4f952e
6195 * (pass 0 if you use the filename param) 6195 * (pass 0 if you use the filename param)
6196 * data: memory buffer containing image (Bitmap on OS/2 or 6196 * data: memory buffer containing image (Bitmap on OS/2 or
6197 * Windows and a pixmap on Unix, pass 6197 * Windows and a pixmap on Unix, pass
6198 * nullptr if you use the id param) 6198 * nullptr if you use the id param)
6199 * len: Length of data passed 6199 * len: Length of data passed
6200 */ 6200 * Returns:
6201 void API dw_window_set_bitmap_from_data(HWND handle, unsigned long cid, const char *data, int len) 6201 * DW_ERROR_NONE on success.
6202 { 6202 * DW_ERROR_UNKNOWN if the parameters were invalid.
6203 JNIEnv *env; 6203 * DW_ERROR_GENERAL if the bitmap was unable to be loaded.
6204 */
6205 int API dw_window_set_bitmap_from_data(HWND handle, unsigned long cid, const char *data, int len)
6206 {
6207 JNIEnv *env;
6208 int retval = DW_ERROR_UNKNOWN;
6204 6209
6205 if(handle && (env = (JNIEnv *)pthread_getspecific(_dw_env_key))) 6210 if(handle && (env = (JNIEnv *)pthread_getspecific(_dw_env_key)))
6206 { 6211 {
6207 // Construct a byte array 6212 // Construct a byte array
6208 jbyteArray bytearray = nullptr; 6213 jbyteArray bytearray = nullptr;
6213 } 6218 }
6214 // First get the class that contains the method you need to call 6219 // First get the class that contains the method you need to call
6215 jclass clazz = _dw_find_class(env, DW_CLASS_NAME); 6220 jclass clazz = _dw_find_class(env, DW_CLASS_NAME);
6216 // Get the method that you want to call 6221 // Get the method that you want to call
6217 jmethodID windowSetBitmapFromData = env->GetMethodID(clazz, "windowSetBitmapFromData", 6222 jmethodID windowSetBitmapFromData = env->GetMethodID(clazz, "windowSetBitmapFromData",
6218 "(Landroid/view/View;I[BI)V"); 6223 "(Landroid/view/View;I[BI)I");
6219 // Call the method on the object 6224 // Call the method on the object
6220 env->CallVoidMethod(_dw_obj, windowSetBitmapFromData, handle, (int)cid, bytearray, len); 6225 retval = env->CallIntMethod(_dw_obj, windowSetBitmapFromData, handle, (int)cid, bytearray, len);
6221 _dw_jni_check_exception(env); 6226 _dw_jni_check_exception(env);
6222 // Clean up after the array now that we are finished 6227 // Clean up after the array now that we are finished
6223 //if(bytearray) 6228 //if(bytearray)
6224 //env->ReleaseByteArrayElements(bytearray, (jbyte *) data, 0); 6229 //env->ReleaseByteArrayElements(bytearray, (jbyte *) data, 0);
6225 } 6230 }
6231 return retval;
6226 } 6232 }
6227 6233
6228 /* 6234 /*
6229 * Sets the bitmap used for a given static window. 6235 * Sets the bitmap used for a given static window.
6230 * Parameters: 6236 * Parameters:
6232 * id: An ID to be used to specify the icon, 6238 * id: An ID to be used to specify the icon,
6233 * (pass 0 if you use the filename param) 6239 * (pass 0 if you use the filename param)
6234 * filename: a path to a file (Bitmap on OS/2 or 6240 * filename: a path to a file (Bitmap on OS/2 or
6235 * Windows and a pixmap on Unix, pass 6241 * Windows and a pixmap on Unix, pass
6236 * nullptr if you use the id param) 6242 * nullptr if you use the id param)
6237 */ 6243 * Returns:
6238 void API dw_window_set_bitmap(HWND handle, unsigned long resid, const char *filename) 6244 * DW_ERROR_NONE on success.
6239 { 6245 * DW_ERROR_UNKNOWN if the parameters were invalid.
6240 JNIEnv *env; 6246 * DW_ERROR_GENERAL if the bitmap was unable to be loaded.
6247 */
6248 int API dw_window_set_bitmap(HWND handle, unsigned long resid, const char *filename)
6249 {
6250 JNIEnv *env;
6251 int retval = DW_ERROR_UNKNOWN;
6241 6252
6242 if(handle && (env = (JNIEnv *)pthread_getspecific(_dw_env_key))) 6253 if(handle && (env = (JNIEnv *)pthread_getspecific(_dw_env_key)))
6243 { 6254 {
6244 // Construct a string 6255 // Construct a string
6245 jstring jstr = nullptr; 6256 jstring jstr = nullptr;
6248 } 6259 }
6249 // First get the class that contains the method you need to call 6260 // First get the class that contains the method you need to call
6250 jclass clazz = _dw_find_class(env, DW_CLASS_NAME); 6261 jclass clazz = _dw_find_class(env, DW_CLASS_NAME);
6251 // Get the method that you want to call 6262 // Get the method that you want to call
6252 jmethodID windowSetBitmapFromData = env->GetMethodID(clazz, "windowSetBitmap", 6263 jmethodID windowSetBitmapFromData = env->GetMethodID(clazz, "windowSetBitmap",
6253 "(Landroid/view/View;ILjava/lang/String;)V"); 6264 "(Landroid/view/View;ILjava/lang/String;)I");
6254 // Call the method on the object 6265 // Call the method on the object
6255 env->CallVoidMethod(_dw_obj, windowSetBitmapFromData, handle, (int)resid, jstr); 6266 retval = env->CallIntMethod(_dw_obj, windowSetBitmapFromData, handle, (int)resid, jstr);
6256 _dw_jni_check_exception(env); 6267 _dw_jni_check_exception(env);
6257 if(jstr) 6268 if(jstr)
6258 env->DeleteLocalRef(jstr); 6269 env->DeleteLocalRef(jstr);
6259 } 6270 }
6271 return retval;
6260 } 6272 }
6261 6273
6262 /* 6274 /*
6263 * Sets the icon used for a given window. 6275 * Sets the icon used for a given window.
6264 * Parameters: 6276 * Parameters: